http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
콘크리트 충전강관구조(充塡鋼管構造)(CFT) 적용(適用)을 위한 일반강도(一般强度) 콘크리트 물성(物性)에 관한 실험적(實驗的) 연구(硏究)
강동현 ( Dong Hyun Kang ),강용학 ( Yong Hak Kang ),정근호 ( Keun Ho Jung ),이영도 ( Young Do Lee ),이장오 ( Chang Oh Lee ) 한국건축시공학회 2001 한국건축시공학회 학술발표대회 논문집 Vol.1 No.1
As a rule,in case of CFT for high-rise building,high strength concrete is required since it should have high fluidity,segregation resistance and large proportion of cement per unit considering the filling beneath the diaphragm.However,regarding the low-rise building under 20 storise,it is somewhat difficult to use high strength concrete.This is a fundamental study to develop aconcrete with normal strength and high fluidity for CFT of low-rise building,whose purposes are inspeculating several kinds of changes in concrete``s characteristics through various ecperiments and offering basic documents for practicalization in site and production through mock-up test.
아민 및 아미드형 트리포달리간드에 기초한 분자설계 및 합성
강동현 ( Dong Hyun Kang ),최규성 ( Kyu Seong Choi ) 경남대학교 기초과학연구소 2013 기초과학지 Vol.30 No.-
본 연구에서는 아민,아미드형 트리포달 리간드인 L¹ (tris (2-benzylaminoetyl) amine), L² (tris(4-phenyl-3-aza-oxobutyl)amine)를 합성하였다, 새로운 형태의 트리포달 리간드인 L³(tris〔3-aza-2-oxo-4(2-pyridyl)buthl〕amine)는 (bis carboxymethylamino) acetic acetate와 2-(aminomethyl)pytidine을 반응시켜 합성하였으며, 70%의 수득율을 얻었다. 구조의 확인은 LR, NMR, 그리고 Mass를 통하여 합성을 확인하였다. We emplyed L¹ (tris (2-benzylaminoetyl) amine), L² (tris(4-phenyl-3-aza-oxobutyl)amine), L³ (tris〔3-aza-2-oxo-4(2-pyridyl)buthl〕amine) as amide-type tripidal ligands and syntyesized, L³ as a new member of the tripodal system wsa synthesized by the reaction of (bis carboxymethylamino) acetic acetate and 2-(aminomethyl)pytidine, The yield of final step for L² ,L³ was 65% and70% respectively, Comparative NMR, IR and FAB-mass data are also discussed.