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姜南錫 한국종교사학회 2001 韓國宗敎史硏究 Vol.9 No.-
I inquired into the central idea of Cheon-Tae-Sa-Gyo-Ui, a work of Che-gwan and his thought of Cheon-Tae in this paper. The distinguishing mark of that book is to systematize theory taking a serious view of four A-ham volumes and schools in the early Buddhism. Che-gwan gave the teaching of three kinds(三乘) significance and highlighted conversion to the teaching of one kinds, Bodhi ̄sattva ̄(一佛乘). He comes to the conclusion that all living beings have to believe the teaching of one Buddha, practice the teaching and devote ourselves to the teaching even though there are too various levels in all living beings and the teaching is unfolded in accordance with an individual relation. He explains the unified Buddhism through the Cheon-Tae school. I think that Cheon-Tae-Sa-Gyo-Ui was a survey of Buddhism in these days and a fundamental primer including Cheon-Tae school and other schools since the book was written and wide spreaded.
Comparison of removal torques between laser-treated and SLAtreated implant surfaces in rabbit tibiae
강남석,이인제,조성암 대한치과보철학회 2014 The Journal of Advanced Prosthodontics Vol.6 No.4
PURPOSE. The purpose of this study was to compare removal torques and surface topography between laser treated and sandblasted, large-grit, acid-etched (SLA) treated implants. ATERIALS AND METHODS. Laser treated implants (experimental group) and SLA-treated implants (control group) 8 mm in length and 3.4 mm in diameter were inserted into both sides of the tibiae of 12 rabbits. Surface analysis was accomplished using a field emission scanning electron microscope (FE-SEM; Hitachi S-4800; Japan) under ×25, ×150 and ×1,000 magnification. Surface components were analyzed using energy dispersive spectroscopy (EDS). Rabbits were sacrificed after a 6-week healing period. The removal torque was measured using the MGT-12 digital torque meter (Mark-10 Co., Copiague, NY, USA). RESULTS. In the experimental group, the surface analysis showed uniform porous structures under ×25, ×150 and ×1,000 magnification. Pore sizes in the experimental group were 20-40 mm and consisted of numerous small pores, whereas pore sizes in the control group were 0.5-2.0 mm. EDS analysis showed no significant difference between the two groups. The mean removal torque in the lasertreated and the SLA-treated implant groups were 79.4 Ncm (SD = 20.4; range 34.6-104.3 Ncm) and 52.7 Ncm (SD = 17.2; range 18.7-73.8 Ncm), respectively. The removal torque in the laser-treated surface implant group was significantly higher than that in the control group (P=.004). CONCLUSION. In this study, removal torque values were significantly higher for laser-treated surface implants than for SLA-treated surface implants.
고주파 마그네트론 스파터링법에 의한 증착된 CoNbZr 비정질박막의 자기적 특성에 관한 연구
이경섭,강남석,이택동 대한금속재료학회(대한금속학회) 1991 대한금속·재료학회지 Vol.29 No.4
Effects of sputtering conditions and rotating field annealing(RFA) on magnetic properties of CoNbZr thin films were studied. With increasing Ar pressure from 0.5 to 10 coercivity showed constant value until 5mTorr, then increased at the higher pressure. Co_(90.1)Nb_(6.7)Zr_(3.2)filM of 0.3㎛ thick showed 4 πMs of 11.5 kGauss, curies temperature of 540℃ and crystallizetion temperature of 520℃, and thess values did not change with sputtering parameters and RFA. Magnetic properties of as-asputtered films with and without applied external during sputtering showed significant differences. However, those differences were greatly reduced as the following RFA temperatures increased. The origin of coercivity was considered to be affributed to magnetostricition in this film.
Ta-Al 합금박막의 열적안정성에 미치는 질소첨가 효과
조원기,김태영,강남석,김주한,안동훈,Jo, Won-Gi,Kim, Tae-Yeong,Gang, Nam-Seok,Kim, Ju-Han,An, Dong-Hun 한국재료학회 1997 한국재료학회지 Vol.7 No.10
Ar 및 Ar과 $N_{2}$ 분위기하에서 rf 마그네트론 스퍼터링방법으로 Ta-AI과 Ta-AI-N합금막을 제조하였다. Ta-7.9at.% AI계열, Ta-26.7 at% AI게열과 Ta-45.4at.%AI계열에 Ar에 대한 질서유량비로 26%까지 질소를 첨가하여 Ta-AI-N박막을 증착한후, 300-$600^{\circ}C$온도 구산에서 열처리 전후의 구조 및 전기적 특성과 열적안정성을 통하여 레지스터의 적용가능성을 조사하였다. 구조 및 조성 분석은 X-선 회절과 Rutherford Backscattering Spectrometry(RBS)로 관찰하였고 열적안정성은 4단자법(four point probe method)을 이용한 저항변화를 통하여 측정하였다. 순수 Ta에 AI을 첨가하면 확장된 $\beta$($\beta$-Ta)N 합금박막에서 가장 열적안정성이 우수하게 나타났던 질소첨가 범위는 Ta $N_{hcp}$또는 TaN/ sub fcc/또는 Ta $N_{fcc}$와 비정질과의 혼합상순으로 상천이를 나타내었다. Ta-AI-N 합금박막에서 가장 열적안정성이 우수하게 나타났던 질서첨가 범위는 Ta-26.7at. % AI계열의 경우 19-36at.% $N_{2}$구간이었고, Ta-45.5at.% AI계열의 경우는 30-45at.%구간이었다. Ta-AI합금박막은 질소가 첨가되지 않아도 열처리 온도 및 시간에 따라 약 10% 이내의 비교적 작은 저항변화를 보여 열적안정성이 우수하지만 질소를 첨가하여 Ta-AI-N합금박막을 형성시킬경우, 증착된 상태에서 이미 큰 비저항을 나타내었고 열처리 동안 3%이내의 매우 작은 저항변화를 나타내었기 때문에 레지스터용 재료로써 열적안정성에 대한 잠재력이 크다.
Correlation of Lignan Contents with Protein and Oil Contentsin the Seeds of Sesamum indicum L.
이진환,고종민,백인열,심강보,강남석,김현태,강철환,박금영,박기훈,하태정 한국응용생명화학회 2008 Journal of Applied Biological Chemistry (J. Appl. Vol.51 No.1
The contents of lignan, protein, and oil of nine Sesamum indicum cultivars were analyzed. To determine the lignan contents, sesamin 1 and sesamolin 2 were isolated from the ethylacetate extracts of the Suwon cultivar, and the structures were fully characterized by spectral and physical methods. The seeds of nine cultivars were screened for two lignans, which were determined by HPLC using a C18 reversed phase column coupled with a photodiode array detector. Suwon cultivar showed the highest concentration (1: 6.24±0.04 and 2: 3.58±0.01mg/g), whereas Soonheuk displayed the lowest (1: 0.91±0.01 and 2: 0.73±0.01 mg/g). The average content ratio of sesamin 1 (3.64mg/g) was significantly higher than that of sesamolin 2 (2.57 mg/g). The protein content ranged from 21.52±0.35 to 31.22±0.25%, Suwon containing the highest level and Soonheuk had the lowest. Kwangbaek showed the highest oil level (49.84±0.40%), while Soonheuk exhibited the lowest (42.52±0.05%). Sesamin 1 exhibited a stronger radical-scavenging activity in the ABTS (IC50: 63.2±2.4 μM) than its DPPH radical-scavenging activity (IC50>200 μM). These results lead to the conclusion that lignan content is affected by protein and oil contents. Concentration of the chemical components in the cultivars could be a key factor in the selection process of a high quality species.