국9409.fm

Size: px
Start display at page:

Download "국9409.fm"

Transcription

1 Carbn Letters Vl. 9, N. 4 December 2008 pp Studies n the Stabilizatin f Rayn Fabrics fr Preparing Carbn Fabrics: 2. Fast Isthermal Stabilizatin Prcesses at High Temperature Sung Bng Yn 1, Chae Wk Ch 1, Dnghwan Ch 1,, Jng Ky Park 2 and Jae Yel Lee 2 1 Department f Plymer Science and Engineering, Kumh Natinal Institute f Technlgy, Gumi, Gyungbuk, Krea 2 Cmpsites Research Team, Agency fr Defense Develpment, P.O.Bx 35-4, Daejen, Krea dch@kumh.ac.kr (Received September 3, 2008; Accepted December 9, 2008) Abstract In the present study, fast isthermal stabilizatin prcesses fr rayn precursr fabrics were perfrmed at 350 C and 400 C within 3 minutes and the chemical and physical characteristics f the stabilized fabrics were investigated. In additin, rayn precursr fabrics were pre-treated with three different phsphrus-based flame retardants and then stabilized. The effect f flame retardants n the chemical cmpsitin, thermal shrinkage, weight change, thermal stability and XRD results was examined, cmparing with thse f the precursr fabrics. The result shwed that the stabilizatin f rayn fabrics was mst effective as the stabilizatin temperature was 350 C, the stabilizatin time was 3 min, and the pre-treatment with phsphric acid f 1 vl%. The carbn cntents f stabilized rayn fabrics were increased with increasing stabilizatin temperature and time, whereas the xygen cntents were decreased. Als, it is likely that the pre-treatment with phsphric acid plays a rle in retarding the change f chemical structure f rayn fabric. The XRD result was quite cnsistent with the result shwing the effect f phsphric acid n the chemical cmpsitin, thermal shrinkage and weight reductin f rayn fabric. Keywrds : Rayn Fabric, Isthermal stabilizatin prcess, Flame retardant, Pre-treatment, Characterizatin ˆ (carbn fiber) pm(rayn), k (plyacrylnitrile: PAN), (pitch) s p ƒ rs p l q r q l l r1 ˆ p pm ˆ ƒ rs ˆ r p r l v [1]. pm ˆ lr n k l l p n k r p v q q p d p jp vmp r p sk nt qn m l q p q v v n n l n p [2,3]. pmv (rayn fabric)p p p kr r(stabilizatin prcess) ˆ r(carbnizatin prcess)p s ˆ v r p. ˆ v p p ˆ p p n eˆ l 2500 C p l q p t l r(graphitizatin prcess)p ˆ ˆ llv p [1]. kr rp PAN ˆ l l rp l} p, rp ˆ rs q tn rp v v k. srp llv ˆ p r, r p lr, r p ˆ ƒ (precursr) s, kr r s l v pql ps.. kr p s, s, r, lr r p ˆ p l n tn l p. kr ~ ˆ r r rl ƒ p r, r lr p [4,5]. pm ƒ l p n e, ƒ ˆ p p n. p rp l} m p dm p l sq ˆ p v p. p rp 400 C p l t k r r t 200 C p l m kvl p p v p v p,, kn v p t [6,7]. pm p l t 350 C~400 C pl [8-10]. pm ƒ p sp p m p l v p v s v., d n sp m l n v pl vp p. p pmv p t kr rp 400 C v m v eˆ v, p p mlp l p. ~w v qp 250 C p ml,

2 Studies n the Stabilizatin f Rayn Fabrics fr Preparing Carbn Fabrics: 2. Fast Isthermal Stabilizatin Prcesses w rp v m l p q pl 250 C~350 C ml, w t m 350 C p p mlp. p rp w mll v p r~ v p k 80% p p e p. p r, r rm m re l m p. v p kr m mll r, r v, p m mll rp v. p m mll p l} r s p rl v p rl kr rp ep p [11]., l l pm ƒ v l kr rp e(batch-type) p m. v, 400 C v m m rp p k, kr m 350 C 400 C reˆ wp e k l} e p eˆ m kr r p n m. e l m kr rp tn rp rp p 350 C~400 Cp kr m l 3 p l pmv l l kr rp v mp l v r r s l, ml m k r rp rn p ˆv p. kn, lr n l r} kr pmv p s, l, t, lkr sl lrp m p s mp, pm ƒ v m. x l l p Acrdis l rs pmv (Acrdis T-700)p n l kr rp m. kr r k pmv p t, v kr p lkr l r} p m p s l kr rp rl p p s p p lr pmv p p } m. v, p (phsphric acid, H 3 PO 4, (t)), 3-(hydrxylphenyl phsphinyl)prpanic acid (HIRETAR-205, H-205, (t) KOLON) (Fig. 1), FR-SH(Flame Retardant-Special Hard) (ˆ l ). ~w, p p q k v l t p, l nkp t l n m. w, H-205 l ql ld l n p lr r p pp k 14% p p [12]. n p ml p l p lr p k r p. w, FR-SH q qn pqƒ n ln ld v l n p m lr Œ n k~p r p n l p ˆ., r} e p r p m} r l p sp p k r p. ph 6.4 ~ 6.6p, k k p pm vp v p. pl s r v kk. yw e l n pmv p 50 mm, 60 mm v kp r l t m. t v p H 3 PO 4, H-205 FR-SH s p lr 1vl% j nkl l p pƒl v l ml 60 k dip-cating eˆ 80 Cp m l k 6e p s m. 1 vl% p np prp l [13]l pm p kr l p lr p m p s, 1 vl%l q n ˆ l p. lr } r p pmv ˆ kp, } r k p v p } l p p vlv p p l. lr } p m p l r} v kp pmv p t l kr rl n m. yœ pmv p kr rp kr n l p r kp p p 50 cc/minp pr t p m. r eq r pr t pmv p lž l m kr p l l l l. kr m 350 Cm 400 C reˆ (furnace) l pmv p e p 30, 1, 2, 3 j e wp e k m k r rp v m. kr rp r} v k p pmv s p lr n l 1vl% } pmv l l p m. m kr r r l pmv p m t r m. p Fig. 1. Chemical structure f 3-(hydrxylphenyl phsphinyl) prpanic acid used in this wrk. kr rp r l kr l pmv p t r q v rp

3 310 Sung Bng Yn et al. / Carbn Letters Vl. 9, N. 4 (2008) rnp n l s m. v p l p kr r r v p, m. pmv ƒ, kr rp llv pmv l s p s l (elemental analyzer, Elementar Vari EL, Elementar Analysensystem) n m. e 1150 C r p ml l l e d l C, H, N, S O p m. (O) p r~ 100%l C, H, N, S p p p p r m. p p np p ˆ p e m., p p p lr } e kr r l v l qs p p p p v kk. p l l p rp v tn p ˆ,, p s l p p. kr r r pmv p lkr l m kr e lr } s p m p s l lt (thermgravimetric analyzer, TGA 951, Du Pnt) n l 50 cc/minp s v d p l r m. TGA e p m 800 C v 10 C/minp dm s l m. pmv l l kr r s l X- r l X- r (highreslutin X-ray diffractmeter, X Pert PRO-MNR, Philips) n m. Scanning plp 2θ =5 ~50 step size 2θ =0.04 m. Step ne p 1m. l scan mde rn lp, n radiatinp K α p targeting q Cum. š e w Fig. 2 k 50 mm 60 mm p pmv l lr } r v k l 350 C()m 400 C (k )l 30, 1, 2 3 k kr e llv v l l kr l m t p r p. kr m l ~ me p v v p, m p l p l t pp v m. tlv ms l v p 37%, m p k 40% v l. kr m l v p p p v kkp, 350 C 400 Cl v p t n p ˆ., l} e p 3 p n 350 C l k 84% 400 Cl k 96%p e t m., kr r l l kp v p qlt p, 400 Cl 3 } 95% p Fig. 2. Thermal shrinkage and weight lss f the untreated rayn fabrics after stabilizatin prcess at 350 C (tp) and 400 C (bttm) fr different duratins in air. p t l v v k Ž l. m l 1 p p kr e l llv k 48%- 54%p t, pm ƒ p vp k r r tl l p t v v kkp, p s l v p kr p lvv kk Ž l. Fig. 3p s p p lr 1 vl% j pmv p r} p 350 Cl 3 k m kr rp, v p t pp r p. Fig. 2l kr m 350 C, 3 l m, lr } l lp kr v p l l p l p k 38% v, p l p 27% v tl lp p p pl., v p t p p n 80% 63% 17% kr. p p r} pmv p p p v p } v kp nm, kr r l v k k p p p. lr tl l t lrl p p rp

4 Studies n the Stabilizatin f Rayn Fabrics fr Preparing Carbn Fabrics: 2. Fast Isthermal Stabilizatin Prcesses p re p. Fig. 3p k 400 Cl 3 k m kr rp v l p. v p m t p 350 Cl m mp, r p pl., p p n v p l p rp p p s l. p 400 Cl p p l p p lt. 400 Cl s p lr t p p v p p t lr l q p p Ž l. p Fig. 2l 400 C, 3 k m kr lp re m p, k 96%l p e t p p p } l p r ppp p. e w Fig. 4 p 350 C()m 400 C(k )l Fig. 4. TGA thermgrams f the untreated rayn fabrics stabilized at 350 C (tp) and 400 C (bttm) fr different duratins in air, respectively. TGA measurements were cnducted in purging N 2 atmsphere. Fig. 3. Thermal shrinkage and weight lsses f the rayn fabrics surface-treated with different flame retardants f 1 vl% after stabilizatin prcess at 350 C (tp) and at 400 C (bttm) fr 3min in air. 30, 1, 2 3 k m kr rp lr r} v kp pmv l lkr p lt TGA p. l p 10 C/minp dm l 800 C v m. 30 k kr rp pmv p as-received ƒ pmv t p ltl. v, p m m e l p mv p r kr v kkpp p, v p p v l} rp v ˆm p p pl. ƒ kr v l pmv p p k Ë Ë Ëv Ë r p r rp l. 350 Cm 400 C l kr e p 3 v v l kr v p l kr p n l. TGA 350 Cm 400 C pl m kr e 2 p rl pm p r r

5 312 Sung Bng Yn et al. / Carbn Letters Vl. 9, N. 4 (2008) Fig. 5. TGA thermgrams f the rayn fabrics surface-treated with different flame retardants f 1 vl% and then stabilized at 350 C fr 3 min in air. kr pp q v pl pp ˆ p. v, l} rp pmv p 2 wp e l kr v l l p p r q mpp p. 2 wp l} e p pmv p kr l v k Ž l. kr e p 2 p p, 400 C p p ml l lkr p l. p 350 Cm 400 Cl 2 3 kp l} pmv p kr l m p t p rrp re l t p. e p TGA l} e p rp kr v l 300 C prl p lkr p l} e p wp p lkr k. p ~ e p lvl kr r t l p p, p p tlv l s l p pˆ l p. TGA r l n e l k 350 C p l 2 t kr pmv p l m ˆ l p p. Fig. 5 s p lr 1 vl% ƒ p mv l r} l 350 Cl 3 k m kr rp v l l s TGA p. Fig. 4l lt m, 100 C prl k 10% ~ 12%p t m k 400 C p l 2 t l. 400 C p p t pmv p kr r e m p l l v ˆ p eq p. H-205 r} kr pmv p 500 C prl lkr p q p p l. s p lr tl p p } kr v p lkr p rp p p s lp, Fig. 2 m 3l ltl p, kr rp pmv l l p l p p Ž l. rp lr } v k kr v } p, 350 C 400 Cl kr eˆ p, 3 p l l} e p kr v p p lkr p ˆ l. Table 1. A Cmparisn f the Chemical Cmpsitins Measured fr the Rayn Fabrics after Isthermal Stabilizatin Prcesses at Different Stabilizatin Temperature and Time and with Different Flame Retardants Sample C H O N S Precursr Rayn Fabric N Treatment (350 C), 30 s N Treatment (350 C), 1 min N Treatment (350 C), 2 min N Treatment (350 C), 3 min N Treatment (400 C), 30 s N Treatment (400 C), 1 min N Treatment (400 C), 2 min N Treatment (400 C), 3 min H 3 PO 4 1vl%, 350 C, 3 min, in air H vl%, 350 C, 3 min, in air FR-SH 1 vl%, 350 C, 3 min, in air H 3 PO 4 1vl%, 400 C, 3 min, in air H vl%, 400 C, 3 min, in air FR-SH 1 vl%, 400 C, 3 min, in air

6 Studies n the Stabilizatin f Rayn Fabrics fr Preparing Carbn Fabrics: 2. Fast Isthermal Stabilizatin Prcesses yw e w Table 1p ƒ pmv l v kr rp llv pmv l l n l s s lt. p kr r e r n lr } p, lrp s, kr m k r e p p s l m p lt. r, ƒ pmv p s p rp 54%, ˆ 39%, 6.4%, v 0.3% 0.3%p p s l. kr rp pmv l l p p, ˆ p v m. kr m } e p kr pmv p ˆ p n v, p n m. 350 Cm 400 Cl 30m 1 k l} n rn, rp lp kr v p ˆ p r s l k 60% ~ 78% p k 17% ~ 35% ˆ l. kr rl p m p, lr } v kp kr v p ˆ p } n p p s l., l} e p lv kr v p ˆ p v p m. p kr rp lr s p m p, H-205 } pmv p ˆ p rp, p p } p q p ˆ q p p ˆ l., p lr n 3 k kr eˆ pmv p m 350 Cp n 400 Cp n p ˆ p p ˆ l. p llv s p, tl kr rp pmv l l p p tp el ˆ p v eˆ lr r} v k 400 Cl l} p v p Ž l. pmv p p lr } n ˆ p rp ˆ p lr kr rp ve rp p p l l p l r ˆ p r e p l kr l p e p tltl p p. e w Fig. 6p ƒ pmv l XRD p. k l 2θ =22 p dp mnclinic unit cellp (002) p p p. k 2θ =16.5 p q p mnclinic unit cellp (101) p ˆ. 2θ =22 pl p k 2θ =20 p unit cellp (101) l p ƒ pmv p p d II r s p p p ˆ [14,15]. Fig. 6. XRD diffractgram f precursr rayn fabric. Fig. 7. XRD diffractgrams f untreated rayn fabrics stabilized at 350 C fr different duratins in air. Fig. 7p 350 Cl 30l 3 v kr e p e ˆ rp lp pmv l XRD lt. v l lr } v kk. kr r e p lv m l p 2θ= p r tl lpp p p. 2 p m kr e p r. XRD p lv p r p p, p d sl v tl e l p. v, rp kr e l pm ƒ v p r rp r s kr rl p Ž e q dp 6 p s s s eq kr s p ˆ

7 314 Sung Bng Yn et al. / Carbn Letters Vl. 9, N. 4 (2008) Fig. 8. XRD diffractgrams f rayn fabrics surface-treated with different flame retardants f 1 vl% and then stabilized at 350 C fr 3 min in air.. 30m 1 p wp re p n m l 2θ= p m s p n ˆ. p ƒ v p p p pm p p m m e s l dp r rp r s v ppp m l ˆ., 2θ= p v m p skv s v p kr v r l} rl pm p r r v m p p p. kr r l m dp r s p Ž. Fig. 8p p, H-205, FR-SH s p lr 1vl% l r} l 350 Cl 3 k tl kr rp pmv p XRD lt. kl l m l p, 2θ = 16.5 ltl mr p rp, 2θ =22 r~rp t l l. p p nl p 2θ =22 H-205m FR-SH l rp ˆ. p p p pmv p } p pmp r s m v l p Ž. p p p } kr r e pmv p s p s vleˆ l p mpp lt p. pm p XRD kl l s l, t l p p m l m p. s p p lrp p, H-205 FR-SH r } pmv l l tl m kr r rl l} l v p l t pp s, kr m 350 C, kr e p 3 1vl% p p } pmv p kr l q plpp p m. r} r v kp ˆl v p kr lr r} p, 350 C 400 Cl kr eˆ p, kr e p kr v p p lkr p ˆ l. kr rp pmv l l p ˆ p kr m 350 Cp n k 73%, 400 Cp n k 78% v v mp, lr r} nl kr pp vl ˆ p k 61% ~ 63% v r l. kr m } e p kr pmv p ˆ p n v, p n m. kr rp pmv l l p p tp el ˆ p v eˆ lr r} v k 400 Cl l} p rr p s l. pmv p kr v v kp r l ƒ p p d r s p l. kr r e p lv m l p 2θ = p r t l l. 350 Cl 2 p m kr r e p r. p } kr r e pmv p s p s vleˆ l p p Ž l. l l p l vl p lp pl. š x [1] Bahl, O. P.; Shen, Z.; Lavin, J. G.; Rss, R. A. in Carbn Fibers 3 rd Ed. (Dnnet, J.-B.; Wang, T. K.; Peng, J. C. M. Editrs.), Marcel Dekker, New Yrk, 1998, Chapter 1. [2] Bacn, R. in Chemistry and Physics f Carbn, Vl. 9 (Walker, Jr., P. L.; Thrwer, P. A. Eds.), Marcel Dekker, New Yrk, 1973, 1. [3] Peebles, L. H. in Carbn Fibers: Frmatin, Structure, and Prperties, CRC Press, 1995, Chapter 2. [4] Tang, M. M.; Bacn, R. Carbn 1964, 2, 211. [5] Bacn, R.; Tang, M. M. Carbn 1964, 2, 221. [6] Brid, A.; Nelsn, M. A. Cmbustin and Flame 1975, 24, 263. [7] Jnes, B. F.; Duncan, R. G. J. Mater. Sci. 1971, 6, 289.

8 Studies n the Stabilizatin f Rayn Fabrics fr Preparing Carbn Fabrics: 2. Fast Isthermal Stabilizatin Prcesses [8] Lipska, A. E.; Wdley, F. A. J. Appl. Plym. Sci. 1969, 13, 851. [9] Duffy, J. V. J. App. Plym. Sci. 1971, 15, 715. [10] Shafizadeh, F.; Bradbury, A. G. W. J. Appl. Plym. Sci. 1979, 23, [11] Ch, D.; Lee, J.; Park, J. K. J. Sc. Adhesin Interface, Krea 2004, 5(3), 10. [12] [13] Yn, S. B.; Ch, D.; Park, J. K. Plymer(Krea) 2005, 29(2), 211. [14] Basch, A.; Lewin, M. J. Plym. Sci.: Plym. Chem. Ed. 1973, 11, [15] Kumar, K.; Saxena, R. K.; Kthari, R.; Suri, D. K.; Kaushik, N. K.; Bhra, J. N. Carbn 1998, 36, 1842.

43(5)-11.fm

43(5)-11.fm Krean Chem. Eng. Res., Vl. 43, N. 5, Octber, 2005, pp. 616-620 기상공정에의한구형형상의헥사알루미네이트계형광체제조 Ç Ç içq Ç ly 143-701 ne v k 1 (2005 5 2p r, 2005 9 7p }ˆ) Preparatin f Hexaaluminate Phsphr Particles with Spherical

More information

국705.fm

국705.fm Carbon Science Vol. 7, No. 1 March 2006 pp. 34-41 Characteristics of Surface Modified Activated Carbons Prepared by Potassium Salt Sequentially After Hydrochloric Acid Treatment Won-Chun Oh, Chong-Sung

More information

<30372E31362D323028BDC5C7F6C5C32DB9CCB1B970626D292E666D>

<30372E31362D323028BDC5C7F6C5C32DB9CCB1B970626D292E666D> k m v r1 r1 16~20 (2009) J. Korean Academy of Managed Care Pharmacy Vol. 1, No. 1 Pharmacy Benefit Management iç 1# x sƒ, 1 w w w Overview on Pharmacy Benefit Management in USA Kyung Eob ChoiGand Hyun

More information

(1)-01(정용식).fm

(1)-01(정용식).fm Textile Science and Engineering Vl. 48, N. 1, 2011 ƒ s j p y ky w xá½ Á½» 1 Á w œ w lœw, 1 w» w (2010. 12. 10. /2011. 1. 16. k) Analysis f Stabilizatin and Carbnizatin Behavirs f Ply(acrylnitrile) Fibers

More information

한1009.recover.fm

한1009.recover.fm Carbon Letters Vol. 10, No. 1 March 2009 pp. 43-51 Carbon Fibers(III): Recent Technical and Patent Trends Min-Kang Seo 1, Sang-Hee Park 2, Shin Jae Kang 2 and Soo-Jin Park 1, 1 Dept. of Chemistry, Inha

More information

국706.fm

국706.fm Carbon Science Vol. 7, No. 4 December 2006 pp. 271-276 Effect of Heating Rate and Pressure on Pore Growth of Porous Carbon Materials Kwang Youn Cho, Kyong Ja Kim and Doh Hyung Riu Division of Nano Materials

More information

국8411.fm

국8411.fm Carbn Letters Vl. 8, N. 4 December 2007 pp. 335-339 Electrchemical Perfrmance f Carbn/Silicn Cmpsite as Ande Materials fr High Capacity Lithium In Secndary Battery Taek-Rae Kim, Jing-Yu Wu, Quan-Li Hu

More information

44(3)-16.fm

44(3)-16.fm Korean Chem. Eng. Res., Vol. 44, No. 3, June, 2006, pp. 270-276 지능형헬스케어욕조시스템개발을위한온수온도변화 r ~r l o l l e l 561-756 r rte v v 1 664-14 (2006 3o 9p r, 2006 6o 20p }ˆ) Change of the Warm Water emperature for

More information

44(5)-10.fm

44(5)-10.fm Korean Chem. Eng. Res., Vol. 44, No. 5, October, 2006, pp. 489-497 k m m l ~ n i o mp Ç kç m Ç psç * r r l o rl 305-380 re o v 103-16 * r (t) 446-912 npe 360-9 (2006 2o 2p r, 2006 6o 15p }ˆ) Economic Feasibility

More information

국9209.fm

국9209.fm Carbon Letters Vol. 9, No. 2 June 2008 pp. 137-144 Electrochemical Properties of EDLC Electrodes Prepared by Acid and Heat Treatment of Commercial Activated Carbons Jingyu Wu 1, Ikpyo Hong 2, Sei-Min Park

More information

43(4)-06.fm

43(4)-06.fm Krean Chem. Eng. Res., Vl. 43, N. 4, August, 2005, pp. 537-541 기포유동층반응기에서건식재생흡수제를이용한이산화탄소회수에미치는스팀및온도의영향 kkç i Ç Ç z * Çmy l v l ~rl vl 305-343 re q 71-2 *r l v 305-380 re v 103-16 (2005 3 25p r, 2005 6

More information

10(3)-06(021).fm

10(3)-06(021).fm ˆg Journal of the Korean Society for Marine Environmental Engineering Vol. 0, No. 3. pp. 48-54, August 2007 nƒ z{o r y fÿ d Ú r Ú Ú Ú~ n m / m n n Characteristics of Marine Debris collected from the Coastline

More information

( )-103.fm

( )-103.fm Jurnal f the Krean Ceramic Sciety Vl. 46, N. 6, pp. 643~647, 2009. DOI:10.4191/KCERS.2009.46.6.643 Densificatin Behavir f C/C Cmpsite Derived frm Cal Tar Pitch with Small Amunt f Idine Additin Kwang Yun

More information

06국305.fm

06국305.fm Carbon Science Vol. 6, No. 3 September 2005 pp. 173-180 Densification of 4D Carbon Fiber Performs with Mesophase Pitch as Matrix-Precursor Hyeok-Jong Joo and Jae-Won Lee Dept. of polymer science & Engineering,

More information

44(5)-03.fm

44(5)-03.fm Korean Chem Eng Res, Vol 44, No 5, October, 2006, pp 535-539 CO 2 o g zo qkç ÇoiÇl*Çmm**Çm **Ç } n, * 139-846 ne o o 447-1 ** lvlo lrl 305-343 re o q 71-2 (2005 9o 20p r, 2006 4o 19p }ˆ) Effects of Alkaline

More information

43(6)-07.fm

43(6)-07.fm Korean Chem Eng Res, Vol 43, No 6, December, 2005, pp 745-750 탄소섬유용프리커서피치를제조하기위한나프타분해잔사유의개질 zçi kçl ÇDan D Edie * 305-764 re o 220 * d (2005 8o 30p r, 2005 10o 25p }ˆ) Reformation of Naphtha Cracking Bottom

More information

44(2)-08.fm

44(2)-08.fm Korean Chem. Eng. Res., Vol. 44, No. 2, April, 2006, pp. 166-171 hn m m Ž Š sm o ok Ç zkç r ~r 561-756 r rte v v 1 664-14 (2005 11o 11p r, 2006 1o 20p }ˆ) Surface Acoustic Wave Characteristics of Piezoelectric

More information

44(4)-06.fm

44(4)-06.fm Korean Chem. Eng. Res., Vol. 44, No. 4, August, 2006, pp. 393-398 은이온이담지된메조포러스 MCM-41 을이용한 n- 부탄과 1- 부텐의흡착특성연구 m m l i y * p * s 440-746, oe qk }} 300 * l v l o r 305-343, re o q 72-1 (2006 7o 4p r, 2006

More information

국9307.fm

국9307.fm Carbn Letters Vl. 9, N. 3 September 2008 pp. 210-217 Preparatin and Characterizatin f Pitch/Ckes Cmpsite Ande Material fr High Pwer Lithium Secndary Battery Lan Yu 1, Kijung Kim 1, Daeyng Park 2, Myung-S

More information

43(4)-08.fm

43(4)-08.fm Korean Chem. Eng. Res., Vol. 43, No. 4, August, 2005, pp. 517-524 분무열분해공정에의해합성된바륨티타네이트분말의결정화및형태특성 m *, ** Ço i * Ç q ** Ç i *** Çq *** Ç ly ***, * l o q 305-343 re o q 100 **l 120-749 ne e 1347 *** 143-701

More information

04.fm

04.fm w y wz 9«( 2y) 91~96, 2006 J. f the Krean Sciety fr Envirnmental Analysis üy wƒ w y k p ½» w w œw Adsrptin Prperties f the Activated Carbns fr Remving Harmful Gases in Indr Envirnments In-Ki Kim Department

More information

44(2)-11.fm

44(2)-11.fm Korean Chem. Eng. Res., Vol. 44, No. 2, April, 2006, pp. 129-135 Sulfolane m i om i i o o 750-711 mte p 1 (2005 10o 22p r, 2006 1o 30p }ˆ) A Study on the Simulation of Toluene Recovery Process using Sulfolane

More information

국707.fm

국707.fm Carbon Science Vol. 7, No. 4 December 2006 pp. 277-281 Synthesis and Properties of Dual Structured Carbon Nanotubes (DSCNTs) Se-Ho Cho 1, Do-Yoon Kim 1, Jeong-Ku Heo 1,, Young-Hee Lee 2, Kay-Hyeok An 2,3,

More information

45(3)-15(유승곤).fm

45(3)-15(유승곤).fm Korean Chem. Eng. Res., Vol. 45, No. 3, June, 2007, pp. 269-276 l lm n go o i kçmy Ç Çl 305-764 re o 220 (2006 11o 10p r, 2007 3o 19p }ˆ) The Optimum Stabilization Conditions of -containing Pitch Fiber

More information

12.077~081(A12_이종국).fm

12.077~081(A12_이종국).fm J. of Advanced Engineering and Technology Vol. 1, No. 1 (2008) pp. 77-81 y w» e wx Á w œw Fabrication of Ceramic Batch Composition for Porcelain by Using Recycled Waste Ceramic Powder Hyun Guen Han, and

More information

국816.fm

국816.fm Carbon Science Vol. 8, No. 1 March 2007 pp. 30-36 Characterization and Fabrication of Chemically Activated Carbon Fibers with Various Drying Temperatures using OXI-PAN Fibers Sook Young Moon, Byung-Ha

More information

44(2)-06.fm

44(2)-06.fm Korean Chem. Eng. Res., Vol. 44, No. 2, April, 2006, pp. 207-215 ms o i m m Š y mkç mqçm o 461-701 e r r 65 (2005 10o 31p r, 2006 1o 19p }ˆ) The Characteristic Floc Growth in Coagulation and Flocculation

More information

10(3)-02(013).fm

10(3)-02(013).fm ˆg Journal of the Korean Society for Marine Environmental Engineering Vol. 10, No. 3. pp. 167-172, August 2007 FRPo t} } { ~ r d t Developing Practical Recycling methods of FRP Boats Koo Young Yoon Department

More information

국9308.fm

국9308.fm Carbon Letters Vol. 9, No. 3 September 2008 pp. 218-231 Carbon Fibers (I): General Understanding and Manufacturing Techniques of Carbon Fibers Min-Kang Seo 1, Kyeong-Eun Choi 2, Byung-Gak Min 3 and Soo-Jin

More information

48.fm

48.fm Jurnal f the Krean Ceramic Sciety Vl. 44, N. 5, pp. 60~65, 007. Develpment f Black Clr Spinel Pigment fr High Temperature Kwang-H Lee, Min-S Myung, and Byung-Ha Lee Department f Ceramic Engineering, Myungji

More information

139.fm

139.fm Jurnal f the Krean Ceramic Sciety Vl. 43, N. 12, pp. 839~845, 2006. Manufacture f High Density Graphite Using Cal Tar Pitch Kwang Yun Ch, Kyung Ja Kim, Dh Hyung Riu, Kwang Hyun Lim,* Jung Il Kim,* In Chel

More information

국818.fm

국818.fm Carbn Science Vl. 8, N. 1 March 2007 pp. 43-48 A Study n Electrical Resistivity Behavirs f PAN-based Carbn Nanfiber Webs S-Jin Park 1,, Se-Hyuk Im 2, Jhn M. Rhee 2 and Yung-Seak Lee 3 1 Dept. f Chemistry,

More information

44(4)-08.fm

44(4)-08.fm Krean Chem. Eng. Res., Vl. 44, N. 4, August, 2006, pp. 399-403 재현성있는메조포러스 박막의제조에대한연구 miçm m*çi**çqj***ç***çs*, ne, ** 130-743 ne r 90 * 440-746 e qk }} 300 *** l rl 136-791 ne 39-1 (2006 7 4p r, 2006 7

More information

PDF

PDF n i v g i f s y y y y œ yvu s }sœ œx}s }y Stuy for Sensitivity of the Electronic Brake System with the Parameter Variation Heeram Park *1) Seibum Choi 1) Sungjin Choi ) Kwanki Jeon ) Hyunsoo Hwang ) 1)

More information

(최준우).fm

(최준우).fm kë k v r 3 r 4, pp. 76~84, 011 8o Boussinesq t } } z r Boussinesq Modeling of a Rip Current at Haeundae Beach Žƒ}*Ú ~ **Ú~o *** Junwoo Choi*, Won Kyung Park** and Sung Bum Yoon*** k s : Ž plp p m p q rp

More information

17(1)-06.fm

17(1)-06.fm Krean J. Crystallgraphy Vl., N. 1, pp.14~18, 006 LP-MOCVD w ZnO ù Ÿw p Á yá * w w» w» l Structural and Optical Prperties f ZnO Nanwires Synthesized by LP-MOCVD Prcess Yung-Jin Chi, Jae-Hwan Park and Jae-Gwan

More information

43(4)-11.fm

43(4)-11.fm Korean Chem. Eng. Res., Vol. 43, No. 4, August, 2005, pp. 482-486 향오일을함유한 Poly(ε-caprolactone)/Poly(ethyleneimine) 마이크로캡슐의방출거동 s Ç m l o ql 305-600 re o q 100 (2005 3o 7p r, 2005 6o 7p }ˆ) Release Behaviors

More information

45(3)-07(박석주).fm

45(3)-07(박석주).fm Korean Chem. Eng. Res., Vol. 45, No. 3, June, 2007, pp. 264-268 m l i m so mi m oz i m Ç q, *Ç ij*ç om 305-764 re o 220 * l v l o ~redšl 305-343 re o q 71-2 (2006 11o 10p r, 2007 1o 29p }ˆ) Synthesis of

More information

16(5)-02(57).fm

16(5)-02(57).fm Jurnal f Krean Pwder Metallurg Institute Vl. 16, N. 5, 2009 DI: 10.4150/KPMI.2009.16.5.310 /ekœ w TiC/C w w ¼ *Áw a w œ w œw, a Snthesis f TiC/C Cmpsite Pwder b the Carbthermal Reductin Prcess Gil-Geun

More information

국702.fm

국702.fm Carbn Science Vl. 7, N. 2 June 2006 pp. 87-96 Physical Prperties f Graphite Nanfiber Filled Nyln6 Cmpsites Eun-Ha Park* and Hyek-Jng J *Plastics R&D Team, Kln Industries, Inc., 212, Kngdan-Dng, Kumi, Kyungbuk

More information

°ø±â¾Ð±â±â

°ø±â¾Ð±â±â 20, 30, 40 20, 30, 40 1 2 3 4 5 6 7 8 9 10 3.1 6.3 9.4 12.6 15.7 18.8 22.0 25.1 28.3 31.4 2.4 4.7 7.1 9.4 11.8 14.1 16.5 18.8 21.2 23.6 7.1 14.1 21.2 28.3 35.3 42.4 49.5 56.5 63.6 70.7 5.9 11.9 17.8 23.7

More information

16(3)-08.fm

16(3)-08.fm w z wz 16(3) : 307~314, 2011 Korean J Community Nutr 16(3) : 307~314, 2011 DOI:10.5720/kjcn.2011.16.3.307 w (šw ) v w 4 y r q ½ Áùx 1) Á½ û 2) w, 1) š w, 2) w w ƒ $SJUFSJPO%FWFMPQNFOUPG"DUJWJUZ-FWFMTGPS&TUJNBUFE&OFSHZ

More information

19(1) 02.fm

19(1) 02.fm Korean J. Crystallography Vol. 19, No. 1, pp.7~13, 2008 Ÿ (ICISS) w š t w (2): t w y w œw Surface Structure Analysis of Solids by Impact Collision Ion Scattering Spectroscopy (2): Atomic Structure of Semiconductor

More information

( )-86.fm

( )-86.fm Jurnal f the Krean Ceramic Sciety Vl. 46, N. 6, pp.g609~614, 009. DOI:10.4191/KCERS.009.46.6.609 Prperties f Lw Temperature Sintered Prus Ceramics frm Alumina-Zinc Brsilicate Glass Kwan S Kim, Ki Yung

More information

fm

fm w y wz 9«( 1y) 34~40, 2006 J. f the Krean Sciety fr Envirnmental Analysis V/ w y Áy yá váy * w» ( )», *» w y œw Simultaneus Remval f Dixin and Nitrgen Oxide n V/ Catalyst Jun-Yub Lee, Sung-H Hng, Sung-Pill

More information

국905.fm

국905.fm Carbn Letters Vl. 9, N. 1 March 2008 pp. 28-4 Flexural Behavirs f 4D Carbn/carbn Cmpsites with the Prefrm Architectures Ki-Wng Lee, Jng-Min Park and Hyek-Jng J Department f plymer Science and Engineering,

More information

국906.fm

국906.fm Carbon Letters Vol. 9, No. 1 March 2008 pp. 35-46 Patent Trends of Carbonaceous Materials for Hydrogen Storage (III): Major Applicants & Technology Flow-chart Soo-Jin Park 1,, Byung-Joo Kim 2 and Young-Seak

More information

Microsoft Word _kor.doc

Microsoft Word _kor.doc 사용자설명서 한글 APC Smart-UPS 1400VA XL 230VAC/120VAC/100VAC 3U 랙및스택형무정전전원공급장치 990-1080, Revision 01 10/01 sÿ 1:G Ž y... 1G Ž... 1G Ž... 1G ŽŸ Ž... 2G w p Ž... 2G 2:G ƒ... 3G ³ µ... 3G UPS... 3G Smart-UPS ƒ...

More information

특허청구의 범위 청구항 1 앵커(20)를 이용한 옹벽 시공에 사용되는 옹벽패널에 있어서, 단위패널형태의 판 형태로 구성되며, 내부 중앙부가 후방 하부를 향해 기울어지도록 돌출 형성되어, 전면이 오 목하게 들어가고 후면이 돌출된 결속부(11)를 형성하되, 이 결속부(11

특허청구의 범위 청구항 1 앵커(20)를 이용한 옹벽 시공에 사용되는 옹벽패널에 있어서, 단위패널형태의 판 형태로 구성되며, 내부 중앙부가 후방 하부를 향해 기울어지도록 돌출 형성되어, 전면이 오 목하게 들어가고 후면이 돌출된 결속부(11)를 형성하되, 이 결속부(11 (51) Int. Cl. (19) 대한민국특허청(KR) (12) 등록특허공보(B1) E02D 29/02 (2006.01) E02D 17/20 (2006.01) E02B 3/14 (2006.01) (21) 출원번호 10-2010-0089517 (22) 출원일자 2010년09월13일 심사청구일자 (56) 선행기술조사문헌 JP2006037700 A* KR100920461

More information

10(3)-10.fm

10(3)-10.fm w y wz 10«3y 259~264 (2010.12.) Journal of Korean Society of Urban Environment w gj p p y Á Á½k * w m œw Á* w y œw (2010 9 28, 2010 10 12 k) Characteristics of Antiwashout Underwater Concrete for Reduction

More information

44(2)-15.fm

44(2)-15.fm Krean Chem. Eng. Res., Vl. 44, N. 2, April, 2006, pp. 193-199 i s Cu-Mn { m Š s Ç kçmy *, * 704-701 e e 1000 (2005 9 29p r, 2006 3 27p }ˆ) Activity and Characteristics f Cu-Mn Oxide Catalysts Supprted

More information

10.fm

10.fm Jurnal f the Krean Ceramic Sciety Vl., N. 1, pp. 53~57, 2009. Effect f MgB Additin n Synthesis f Hexagnal Brn Nitride Dae-Jin Lee*, **, Mi-Jung Jee*, Byung-Hyun Chi*, Mi-Jai Lee*, Nam-Hee Ch**, and Mi-Sun

More information

06국306.fm

06국306.fm Carbon Science Vol. 6, No. 3 September 2005 pp. 181-187 Preparation of Bipolar Plate for Fuel Cell Using CNT/Graphite Nano-Composite Jongmin Choi, Taejin Kim, Minsoo Hyun, Donghyun Peck, Sangkyung Kim,

More information

( )국11110.fm

( )국11110.fm Carbon Letters Vol. 11, No. 1 March 2010 pp. 41-47 Nuclear Graphites (II) : Mechanical Properties Woong-Ki Choi 1, Byung-Joo Kim 1, Eung-Seon Kim 2 Se-Hwan Chi 2 and Soo-Jin Park 3, 1 Jeonju Institute

More information

18.fm

18.fm Jurnal f the Krean Ceramic Sciety Vl. 45, N. 2, pp. 132~137, 2008. Pre Structure Mdificatin and Characterizatin f Prus Crdierite with Chemical Vapr Infiltratin (CVI) SiC Whisker Ik Whan Kim, Jun Gyu Kim,

More information

국817.fm

국817.fm Carbn Science Vl. 8, N. 1 March 2007 pp. 37-42 Characteristics f the Catalysts Using Activated Carbn Nanfibers with KOH as the Supprt f Ande Catalyst fr Direct Methanl Fuel Cell Min-Kyung Jung 1, Sang-Kyung

More information

<B9E9B3E2C5CDBFEFB4F5B5EBBEEE20B0A1C1A4B8AE20B1E6C0BB20B0C8B4C2B4D92E687770>

<B9E9B3E2C5CDBFEFB4F5B5EBBEEE20B0A1C1A4B8AE20B1E6C0BB20B0C8B4C2B4D92E687770> 2011 어르신 생활문화전승프로그램 柯 亭 里 義 兵 마을 백년터울 더듬어 가정리 길을 걷는다 주관 춘천문화원 후원 한국문화원 연합회 문화체육관광부 -차 례- 제1장 구술 자료의 가치 1. 역사적 측면 2. 문화적 측면 3. 미래 삶의 터전 제2장 지명으로 전하는 생활문화전승 제3장 구술로 전하는 생활문화전승 1. 의암제를 준비하는 사람 류연창 2. 고흥 류

More information

( )43.fm

( )43.fm Jurnal f the Krean Ceramic Sciety Vl. 46, N. 3, pp.g301~305, 2009. DOI:10.4191/KCERS.2009.46.3.301 Nvel Phenl Resin Carbnizing Methd fr Carbn Interlayer Cating between Reinfrcing Fiber and Matrix in Fiber

More information

44(1)-13.fm

44(1)-13.fm Korean Chem. Eng. Res., Vol. 44, No. 1, February, 2006, pp. 87-91 치마버섯유래다당체의화상및상처치유효과 Ç h o 200-701 o }e q 2 192-1 (2005 12o 26p r, 2006 1o 31p }ˆ) Effect of Polysaccharide from Schizophyllum commune on

More information

29.fm

29.fm Jurnal f the Krean Ceramic Sciety Vl. 44, N. 3, pp. 169~174, 2007. A Study n the CVD Depsitin fr SiC-TRISO Cated Fuel Material Fabricatin Jun Gyu Kim, E-Sul Kum, D Jin Chi, Sung Sn Kim, Hng Lim Lee, Yung

More information

00-1CD....

00-1CD.... 2009 년도한국해양과학기술협의회공동학술대회 5 월 28( 목 )~29 일 ( 금 ) 창원컨벤션센터 (CECO) p { œš Œ {œ Œ t Œ m u S ƒ S S v os O ŒO P ŒP p n S ŒsS o r r ur enr uuss Š tm g š uur r r n r os Œ z Œ { œš Œ s q s su Œ z Œ { œš Œ str n

More information

< D B9DABBF3C8AF29BABCB5E52E666D>

< D B9DABBF3C8AF29BABCB5E52E666D> Jurnal f the Krean Ceramic Sciety Vl. 46, N. 5, pp. 58~533, 009. DOI:10.4191/KCERS.009.46.5.58 Effects f β-sic Particle Seeds n Mrphlgy and Size f High Purity β-sic Pwder Synthesized using Sl-Gel Prcess

More information

untitled

untitled [ ] œwz, 21«6y(2008) J. of the Korean Society for Heat Treatment, Vol. 21, No. 6, (2008) pp. 300~306 š y w p x*, **Á **Áy y* * ** w œ w œw, w» gœ Solid State Diffusion Brazing of the Aluminum Alloy Castings

More information

132.fm

132.fm Jurnal f the Krean Ceramic Sciety Vl. 43, N. 1, pp. 805~811, 006. Effect f Oxidatin f Ni n the Micrstructure f Ni/YSZ Ande and Crack Frmatin in YSZ Electrlyte Layer fr SOFC Jun-Sil Lim,* Jng-Hn Chi,* and

More information

45(2)-02(최대근).fm

45(2)-02(최대근).fm Korean Chem. Eng. Res., Vol. 45, No. 2, April, 2007, pp. 149-154 { m Š oi o ryl mk Ž z m mç Çoq Çmm Ç l o rq l 305-343 re o q 171 (2006 7o 19p r, 2006 9o 25p }ˆ) The Surface Treatment Effect for Nanoimprint

More information

( )국11314.fm

( )국11314.fm Carbon Letters Vol. 11, No. 3 September 2010 pp. 235-242 Present Status and Applications of Carbon Fibers-reinforced Composites for Aircrafts Ki-Seok Kim, Young-Sun Shim, Byung-Ju Kim, Long-Yue Meng, Seul-Yi

More information

Áß2±âÇØ(01~56)

Áß2±âÇØ(01~56) PRT 0 heck x=7y=0 x=0y=90 9 RH RHS 8 O =8 cmp =6 cm 6 70 7 8 0 0 0 SS 90 0 0 0 06 07 08 09 0 cm 6 7 8 9 0 S 6 7 8 9 0 8cm 6 9cm 7 8 9 cm 0 cm x=0 y=00 0 6 7 9 8 9 0 0 cm 6 7 8 9 60 6 6 6 6 6 6 7 8 7 0

More information

( )-40.fm

( )-40.fm Jurnal f the Krean Ceramic Sciety Vl. 47, N. 3, pp. 237~243, 2010. DOI:10.4191/KCERS.2010.47.3.237 Synthesis f Sphene pink Pigment by Rice Husk Ash In-Dn J, Hyun-S Lee, and Byung-Ha Lee Department f Materials

More information

14.531~539(08-037).fm

14.531~539(08-037).fm G Journal of the Korea Concrete Institute Vol. 20, No. 4, pp. 531~539, August, 2008 š x y w m š gj p { sƒ z 1) * 1) w w Evaluation of Flexural Strength for Normal and High Strength Concrete with Hooked

More information

50(4)-10.fm

50(4)-10.fm 2006, Vol. 50, No. 4 Printed in the Republic of Korea 칼코겐이도핑된망간산화물의저온합성연구 k Á z Á, *Áy, * y w ù w yw x ù l w» ww (2006. 7. 13 ) Chimie Douce Synthesis of Chalcogen-Doped Manganese Oxides Seung Tae Lim,GDae

More information

012임수진

012임수진 Received : 2012. 11. 27 Reviewed : 2012. 12. 10 Accepted : 2012. 12. 12 A Clinical Study on Effect of Electro-acupuncture Treatment for Low Back Pain and Radicular Pain in Patients Diagnosed with Lumbar

More information

. PC DP-1VR P15 1ch 1 Input Tool 4ch RS-232C RS-232C. Input Tool P14 MUX-10F P16 MeasureReport P21 GO/NG 2 MeasurLink Real-Time P19 MeasurLink STATMea

. PC DP-1VR P15 1ch 1 Input Tool 4ch RS-232C RS-232C. Input Tool P14 MUX-10F P16 MeasureReport P21 GO/NG 2 MeasurLink Real-Time P19 MeasurLink STATMea 12 Input Tool ( ) 14 DP-1VR 15-10F 16 3 17 EC 17 MeasurLink 18 MeasureReport 21 SPC 22 11 . PC DP-1VR P15 1ch 1 Input Tool 4ch RS-232C RS-232C. Input Tool P14 MUX-10F P16 MeasureReport P21 GO/NG 2 MeasurLink

More information

43(6)-13.fm

43(6)-13.fm Korean Chem. Eng. Res., Vol. 43, No. 6, December, 2005, pp. 691-695 종이나섬유를지지체로이용한제올라이트박막의제조 r pn 500-757 te n 300 (2005 10o 13p r, 2005 11o 24p }ˆ) Preparation of Zeolite Membranes on Papers or Fibers

More information

45(1)-05.fm

45(1)-05.fm Korean Chem. Eng. Res., Vol. 45, No. 1, February, 2007, pp. 32-38 }- l mk om m s n oh k ÇmyqÇ Ç mk*çlm n 151-742 ne k e 56-1 * n 139-701 ne o o 447-1 (2006 11o 17p r, 2006 12o 13p }ˆ) Fault Detection &

More information

( )국10313.fm

( )국10313.fm Carbn Letters Vl. 10, N. 3 September 2009 pp. 239-249 Nuclear Graphites (I) : Oxidatin Behavirs Wng-Ki Chi 1, Byung-J Kim 2, Se-Hwan Chi 3 and S-Jin Park 1, 1 Dept. f Chemistry, Inha Univ., 253, Nam-gu,

More information

[ 화학 ] 과학고 R&E 결과보고서 나노입자의표면증강을이용한 태양전지의효율증가 연구기간 : ~ 연구책임자 : 김주래 ( 서울과학고물리화학과 ) 지도교사 : 참여학생 : 원승환 ( 서울과학고 2학년 ) 이윤재 ( 서울과학고 2학년 ) 임종

[ 화학 ] 과학고 R&E 결과보고서 나노입자의표면증강을이용한 태양전지의효율증가 연구기간 : ~ 연구책임자 : 김주래 ( 서울과학고물리화학과 ) 지도교사 : 참여학생 : 원승환 ( 서울과학고 2학년 ) 이윤재 ( 서울과학고 2학년 ) 임종 [ 화학 ] 과학고 R&E 결과보고서 나노입자의표면증강을이용한 태양전지의효율증가 연구기간 : 2013. 3 ~ 2013. 12 연구책임자 : 김주래 ( 서울과학고물리화학과 ) 지도교사 : 참여학생 : 원승환 ( 서울과학고 2학년 ) 이윤재 ( 서울과학고 2학년 ) 임종찬 ( 서울과학고 2학년 ) 소재원 ( 서울과학고 2학년 ) 1,.,.,.... surface

More information

PDF

PDF Glyoxal DP Improvement of Whiteness of Glyoxal treated Cotton Fabrics by Additives 2000 8 1 Glyoxal DP Improvement of Whiteness of Glyoxal treated Cotton Fabrics by Additives 2000 8 2 Glyoxal DP Improvement

More information

사용자 설명서 SERVO DRIVE (FARA-CSD,CSDP-XX)

사용자 설명서 SERVO DRIVE (FARA-CSD,CSDP-XX) A3 : 30W 10 : 1kW A5 : 50W 15 : 1.5kW 01 : 100W 20 : 2kW.... 08 : 800W 50 : 5kW CSD series CSDD series CSDF series CSDS series CSDH series CSDN series CSDX series A : AC110V B : AC220V S : / P : 20?C

More information

3 x =2y x =-16y 1 4 {0 ;4!;} y=-;4!; y x =y 1 5 5'2 2 (0 0) 4 (3-2) 3 3 x=0 y=0 x=2 y=1 :: 1 4 O x 1 1 -:: y=-:: 4 4 {0 -;2!;} y=;2!; l A y 1

3 x =2y x =-16y 1 4 {0 ;4!;} y=-;4!; y x =y 1 5 5'2 2 (0 0) 4 (3-2) 3 3 x=0 y=0 x=2 y=1 :: 1 4 O x 1 1 -:: y=-:: 4 4 {0 -;2!;} y=;2!; l A y 1 = =-6 {0;!;}=-;!; = 5 5' (00) (-) =0=0 == :: -:: =-:: {0-;!;}=;!; 0 l :: -:: =:: F 5 0cm =- = =- (0)=- =6 =0 =- (0)=- - =- {-;#;0}=;#; =- - =- (0)=- = =8 -:: :: =:: - =- 98 R l Q P B S r rb l Q P B lb

More information

106.fm

106.fm Jurnal f the Krean Ceramic Sciety Vl. 44, N. 11, pp. 639~644, 2007. Synthesis f Cbalt Oxide Free Black Clr Spinel Pigment Jun-H Kim*, Seng-H Lee, Man-Chul Suh*, and Byung-Ha Lee Department f Material Science

More information

46.fm

46.fm Jurnal f the Krean Ceramic Sciety Vl. 45, N. 5, pp. 285~289, 2008. Effect f Si:C Rati n Prsity and Flexural Strength f Prus Self-Bnded Silicn Carbide Ceramics Kwang-Yung Lim, Yung-Wk Kim, Sang-Kuk W*,

More information

6.fm

6.fm Jurnal f the Krean Ceramic Sciety Vl. 45, N. 1, pp. 54~59, 2008. Expansin Characteristics f the Hydrated Sdium Silicate Yang Py Kng, H Yen Ch, and Dng S Suhr Department f Materials Science and Engineering,

More information

17.fm

17.fm Jurnal f the Krean Ceramic Sciety Vl. 44, N., pp. 110~115, 007. Micrwave Dielectric Prperties f BaNd - BaO-B -K O-SiO -xtio Glass Cmpsites Dng-Eun Kim,*, ** Sung-Min Lee,* Hyung-Tae Kim,* and Hyung-Sun

More information

10.063~070(B04_윤성식).fm

10.063~070(B04_윤성식).fm J. of Advanced Engineering and Technology Vol. 1, No. 1 (2008) pp. 63-70 Mg-3%Al-1%Zn w ƒœ» y Á x*á **Á Á w œw *w s l I ûer ** t Effect of Thermomechanical Treatment on Microstructure and Mechanical Properties

More information

10(3)-02.fm

10(3)-02.fm w y wz 10«3y 203~211 (2010.12.) Journal of Korean Society of Urban Environment w ù p yá k«áyw *Á xá½k w y œw Á* y w (2010 9 15, 2010 12 2 k) Characterization of Nonpoint Source Pollutant Loads from the

More information

(1)-04(오경화).fm

(1)-04(오경화).fm w œwz, 48«1y 2011 Textile Science and Engineering Vl. 48, N. 1, 2011»Ÿy w PVA v Ÿy w³p» Á y 1 w w š œw, 1 w ƒ w (2011. 1. 2. /2011. 2. 4. k) Phtactive and Antimicrbial Prperties f PVA Films Cntaining Varius

More information

16(5)-06(58).fm

16(5)-06(58).fm Journal of Korean Powder Metallurgy Institute DOI: 10.4150/KPMI.2009.16.5.336 y-y w Sm-Fe w ƒ w zá *Á w»» The Effect of Excess Samarium Oxide on the PreparationG of Sm-Fe Alloy Powder by Reduction-diffusion

More information

44(1)-01(이기안).fm

44(1)-01(이기안).fm 1 w t œwz J. Kr. Inst. Surf. Eng. Vl. 44, N. 1, 011. < > Fe-%Cr-5.8%Al w š y ½ a, ya, b, œ c, ½»c,» a* a w œw, bw»» c w œw High-Temperature Oxidatin Behavir f Fe-%Cr-5.8%Al Ally Sng-Yi Kim a, Sung-Hwan

More information

304.fm

304.fm Journal of the Korean Housing Association Vol. 20, No. 3, 2009 yw s w - û - A Study on the Planning of Improved-Hanok - Focused on Jeon-Nam Province - y* ** z*** **** Kang, Man-Ho Lee, Woo-Won Jeong, Hun

More information

10(3)-09.fm

10(3)-09.fm w y wz 10«3y 253~258 (2010.12.) Journal of Korean Society of Urban Environment ³ w Á» Á Á y w y œw (2010 11 22, 2010 12 9 k) Study on Determine of Detention Pond in Small Developed Area In-Soo Chang ½

More information

16(3)-05.fm

16(3)-05.fm w z wz 16(3) : 386~397, 2011 Korean J Community Nutr 16(3) : 386~397, 2011 DOI:10.5720/kjcn.2011.16.3.386 ey w ½ Á y û w y w w y w 5IF)PVTFXJWFT1VSDIBTF#FIBWJPSTPO&OWJSPONFOUGSJFOEMZ"HSJDVMUVSBM 1SPEVDUTJO%BFKFPO"SFB

More information

<312D303128C1B6BAB4BFC1292E666D>

<312D303128C1B6BAB4BFC1292E666D> k Ÿy y y + ûz m Ì ˆw k Ÿ ø ky w y y» wk Ÿ v w k w w ƒ Ÿ ew k Ÿy yø k Ÿ ý k z» w ƒ w Ÿ y k y w x mw w w ³Ÿ wšy v mw y w r œw yÿ ý w z»ÿ Ÿ»» Ÿ ¾ Ÿ 6TCXGN 9GGMN[ ýw k Ÿ Ÿ ƒ š wš y w k Ÿ ƒ m ³ w w y y y 'EQVQWTKUO

More information

41(6)-09(김창일).fm

41(6)-09(김창일).fm 269 Ar v Na 0.5 K 0.5 NbO 3 t ½ t,, ½ w,, ½ w»œw Surface Reaction of Na 0.5 K 0.5 NbO 3 Thin Films in Inductively Coupled Ar Plasma w t œwz J. Kor. Inst. Surf. Eng. Vol. 41, No. 6, 2008. < > Dong-Pyo Kim,

More information

09권오설_ok.hwp

09권오설_ok.hwp (JBE Vol. 19, No. 5, September 2014) (Regular Paper) 19 5, 2014 9 (JBE Vol. 19, No. 5, September 2014) http://dx.doi.org/10.5909/jbe.2014.19.5.656 ISSN 2287-9137 (Online) ISSN 1226-7953 (Print) a) Reduction

More information

( )-47.fm

( )-47.fm Jurnal f the Krean Ceramic Sciety Vl. 47, N. 4, pp. 302~307, 2010. DOI:10.4191/KCERS.2010.47.4.302 Effect f V-dping n Clur and Crystallizatin f Malayaite Pigments In-Dn J and Byung-Ha Lee Department f

More information

82-01.fm

82-01.fm w y wz 8«( 2y) 57~61, 2005 J. of the Korean Society for Environmental Analysis p w w Á Á w w» y l Analysis of Influence Factors and Corrosion Characteristics of Water-pipe in Potable Water System Jae Seong

More information

LTUR Q X 01 LTUR LTUR K 6 5, 6, 6, 7, 8, 9, 9, 9, 10, b= =: :=8.5 a+b= cm , = =: 7 := a+b+c 0 =1 a+b+

LTUR Q X 01 LTUR LTUR K 6 5, 6, 6, 7, 8, 9, 9, 9, 10, b= =: :=8.5 a+b= cm , = =: 7 := a+b+c 0 =1 a+b+ 우공비 중등 수학 (하) 특강편 SLUTIN LTUR K WRK K 0 LTUR Q X 01 LTUR LTUR K 6 5, 6, 6, 7, 8, 9, 9, 9, 10, 10 8+9 b= =: :=8.5 a+b=17.5 17.5 1 159 cm 6 9 58 6, 7..5 01 = +0+1++++ 7 =: 7 := a+b+c 0 =1 a+b+c=6 6+8+1 =:

More information

<283732372D3733312920B4D9C3CAC1A120BCD2C7C1C6AEC4DCC5C3C6AEB7BBC1EEC0C720B3EBBEC8C0C720BDC3B7C2BAB8C1A4BFA120B4EBC7D120C0AFBFEBBCBA20C6F2B0A1283035292E687770>

<283732372D3733312920B4D9C3CAC1A120BCD2C7C1C6AEC4DCC5C3C6AEB7BBC1EEC0C720B3EBBEC8C0C720BDC3B7C2BAB8C1A4BFA120B4EBC7D120C0AFBFEBBCBA20C6F2B0A1283035292E687770> 대한안과학회지 제 49 권 제 5 호 2008 J Korean Ophthalmol Soc 49(5):727-731, 2008 DOI : 10.3341/jkos.2008.49.5.727 다초점 소프트콘택트렌즈의 노안의 시력보정에 대한 유용성 평가 김현경 1 김효명 2 정성근 1 가톨릭대학교 의과대학 성모병원 안과학교실 1, 고려대학교 의과대학 안암병원 안과학교실

More information

61.fm

61.fm Jurnal f the Krean Ceramic Sciety Vl. 45, N. 7, pp. 387~394, 2008. A Study n the Infrared Emissin Prperties and Freeze-thaw Resistance fr Calcined Clay by Carburizatin Treatment Kih Kim, Sangmyung Kim*,

More information

Lumbar spine

Lumbar spine Lumbar spine CT 32 111 DOI : 10.3831/KPI.2010.13.2.111 Lumbar Spine CT 32 Received : 10. 05. 23 Revised : 10. 06. 04 Accepted : 10. 06. 11 Key Words: Disc herniation, CT scan, Clinical analysis The Clinical

More information