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    • 1. 发明授权
    • 탄소미세구조를 이용한 RLC 회로
    • 탄소미세구조를이용한RLC회로
    • KR100427640B1
    • 2004-04-27
    • KR1020010013481
    • 2001-03-15
    • 한국과학기술연구원
    • 한성환주오심정광덕
    • H01L27/00
    • H01L51/0595B82Y10/00H01L51/0048Y10T428/30
    • The present invention relates to carbon nanotube Resistance Inductance Capacitance (hereinafter referred as to "RLC") circuits. More particularly, the present invention is to provide the carbon nanotube prepared by chemical vapor deposition (hereinafter referred as to "CVD") on a surface of inorganic substrate to have advantages in: (i) its use for resistance, inductance and capacitance elements, (ii) the formation of micro circuits loaded with RLC characters and different inductor from the inductor used ferrite core and coil, (iii) heat resistance and impact resistance because it is made of carbon/inorganic composite materials, and (iv) the formation of nanotubes unlike conventional chip inductor.
    • 碳纳米管电阻电感电容(以下称为“RLC”)电路技术领域本发明涉及碳纳米管电阻电感电容(以下称为“RLC”)电路。 更具体地说,本发明提供通过化学气相沉积(下文中称为“CVD”)在无机基材表面上制备的碳纳米管,其具有以下优点:(i)其用于电阻,电感和电容元件 ,(ii)由于使用铁氧体磁芯和线圈而形成具有RLC字符和不同电感器的微电路,并且(iii)由碳/无机复合材料制成的耐热性和耐冲击性,以及(iv) 纳米管不同于传统的片式电感器。
    • 5. 发明公开
    • 로듐 촉매/염 조촉매 시스템을 사용한 올레핀의카보알콕시화 및 카복실화 방법
    • 通过使用铑催化体系进行碳氧化和碳氧化烯烃的方法
    • KR1020000077499A
    • 2000-12-26
    • KR1020000050275
    • 2000-08-29
    • 한국과학기술연구원
    • 엄성진한성환조성훈주오심오준우
    • C07C47/02
    • PURPOSE: A method for carboalkoxylating and carboxylating an olefin by using a rhodium catalytic system is provided which has high reactivity, selectivity and catalytic stability. CONSTITUTION: An alkyl ester or carboxylic acid are prepared by carboalkoxylating and carboxylating an olefin in the existence of a rhodium catalytic system comprising rhodium as a catalyst and salt as a co-catalyst. The salt contains an anion selected from the group consisting of PO4-, I-, Br-, Cl-, NO3-, CH3COO-, NCO-, CN-, CNO-, SCN-, CO3- and SO4- and a cation selected from the group consisting of NR1R2R3(R1, R2 and R3 are H or C1-15 alkyl), PPN+(PhP=N=PPh)+, alkaline metals, alkaline earth metals, transition metals, Al, Ga, Sn, Pb and In.
    • 目的:提供一种通过使用铑催化体系对烯烃进行烷氧基化和羧化的方法,其具有高反应性,选择性和催化稳定性。 构成:通过在包含铑作为催化剂的铑催化体系和作为助催化剂的盐的存在下,通过使烯烃进行烷氧羰基化和羧化来制备烷基酯或羧酸。 该盐含有选自PO4-,I-,Br-,Cl-,NO3-,CH3COO-,NCO-,CN-,CNO-,SCN-,CO3-和SO4-的阴离子和选择的阳离子 由NR1R2R3(R1,R2和R3为H或C1-15烷基),PPN +(PhP = N = PPh)+,碱金属,碱土金属,过渡金属,Al,Ga,Sn,Pb和In 。
    • 9. 发明授权
    • 메틸 아세테이트, 아세트산 및 무수 아세트산의 병산 방법
    • 制备甲基醋酸酯,醋酸和醋酸酐的方法
    • KR1019960005512B1
    • 1996-04-25
    • KR1019920020188
    • 1992-10-30
    • 한국과학기술연구원
    • 엄성진한성환오준우주오심
    • C07C53/08
    • Y02P20/584
    • To produce methyl acetate, acetic acid, acetic anhydride in the same operation line, it is required to have five step : 1st step-methanol is changed to acetic acid and methyl acetate by gas phase CO carbonyl reaction under carbonyl catalyst and halide co-catalyst; 2nd step-from column bottom, acetic acid is seperated and recovered, low Bp.compound of co-catalyst and methyl acetate is seperated in column top section; 3rd step-seperated methyl acetate from 2nd step is distilled and unrecovered methyl acetate is sent to 2nd carbonyl reactor with co-catalyst; 4th step-by second carbonyl reaction, methyl acetate and co-catalyst from 3rd step is synthesized to acetic anhydride; 5th step - acetic anhydride is seperated from co-catalyst and seperated co-catalyst is recycled to 1st carbonyl reactor. Compared with a known process, this method is simple and increases productivity.
    • 为了在相同的操作线上生产乙酸甲酯,乙酸,乙酸酐,需要有五个步骤:在羰基催化剂和卤化物助催化剂下,通过气相CO羰基反应将第一步甲醇变为乙酸和乙酸甲酯 ; 从塔底第二步,分离回收乙酸,在塔顶部分离出低沸点的助催化剂和乙酸甲酯。 蒸馏第二步骤的第三步分离的乙酸甲酯,并将未回收的乙酸甲酯送入具有助催化剂的第二羰基反应器; 第四步第二次羰基反应,将乙酸甲酯和第三步助催化剂合成为乙酸酐; 第五步 - 将乙酸酐与助催化剂分离,将分离的助催化剂再循环至第一羰基反应器。 与已知的方法相比,该方法简单,提高了生产效率。