氨基甲酸酯

  • 网络carbamate;Urethane
氨基甲酸酯氨基甲酸酯
  1. 聚氨酯(PU)是一种具有氨基甲酸酯链段重复结构的聚合物,具有很好的耐撕裂和耐磨损性,良好的抗臭氧和耐油性,应用广泛。

    The polyurethane ( PU ) is a polymer formed with urethane segment , as very high resistance to tear and abrasion , good resistance to ozone , oil and petrol , is widely used .

  2. 氨基甲酸酯基对推进剂工艺性能的影响

    Effect of urethane groups on processing behaviour of composite solid propellants

  3. 氨基甲酸酯直链淀粉浆纱性能的改进研究一种B类维生素,在氨基酸和淀粉的新陈代谢过程中起关键作用。

    A B vitamin that is essential for metabolism of amino acids and starch .

  4. 介绍了近几十年来利用CO2活化进行含氮化合物羰化反应合成氨基甲酸酯的研究进展。

    The recent development of synthesis of carbamate by using CO 2 as an activator is summarized .

  5. 同位素化学交换COCO过程与CO2/氨基甲酸酯体系浓集~(13)C对比实验

    The comparison of COCO and CO_2 / carbamate chemical exchange systems for the enrichment of ~ ( 13 ) C

  6. 聚氨酯(PU)是分子链中含有氨基甲酸酯单元结构的高分子聚合物的总称。

    Polyurethane ( PU ) is the general term of the molecular chain polymers containing carbamate structure .

  7. 对用钕钡/锌复合稳定剂所制备的PVC塑料及PVC/ABS合金来说,当与聚氨基甲酸酯泡沫塑料接触时,其稳定性更是出奇的好。

    PVC or PVC / ABS alloy with neodymium-barium / zinc complex stabilizer had a novel stability when contacted with PU foam .

  8. 对氨基甲酸酯杀虫剂残杀威(PRO)和异丙威(ISO)的速差动力学光度法同时测定进行了研究。

    A kinetic spectrophotometric method was studied for the simultaneous determination of propoxur ( PRO ) and isoprocarb ( ISO ) .

  9. 纤维素和尿素在高温下反应生成纤维素氨基甲酸酯(CC),纤维素氨基甲酸酯可以直接溶解在稀碱液中得到纺丝溶液。

    Cellulose carbamate ( CC ) is an alkali-soluble cellulose derivate which is a reaction product of cellulose and urea .

  10. KF负载型固体碱催化合成氨基甲酸酯的研究

    Study on Catalytic Synthesis of N-alkyl Carbamates by KF Supported on the Carriers

  11. FT-IR光谱证实聚醚多元醇的OH与PAPI的NCO反应生成了氨基甲酸酯(NHCOO),但NH和CO均以氢键形式存在。

    The formation of ( NHCOO between ) hydroxyl groups of polyol and isocyanate groups of PAPI was verified by FT-IR spectroscopy .

  12. 红细胞AChE活性测定已广泛应用于有机磷酸酯(OP)和氨基甲酸酯杀虫剂中毒的诊断以及职业接触的健康监护。

    Erythrocyte AChE has been widely used for diagnosis of organophosphate and carbamate insecticide poisoning , and for healthy monitoring of occupational exposure .

  13. 目的探讨肟类药物对氨基甲酸酯(CB)类农药与有机磷杀虫剂(OP)混配中毒的疗效。

    Objective To clarify whether pralidoxime therapy is effective in carbamate ( CB ) mixed with organ op hosphate ( OP ) poisoning .

  14. PSA分散固相萃取液相色谱柱后衍生荧光法测定蔬菜和水果中的13种氨基甲酸酯

    Study on determination of thirteen carbamate pesticides in vegetables and fruits by HPLC with post-column derivatization and fluorescence detection after PSA dispersive solid-phase extraction cleanup

  15. 通过纤维素氨基甲酸酯法(CelluloseCarbamate简称CC)纺制纤维素纤维被誉为环境友好型纤维素纤维。

    Cellulose fiber made from cellulose carbamate ( CC ) is named eco-friendly cellulose fiber . In this paper , an eco-friendly fire-retardant cellulose fiber was prepared .

  16. 在自制的涂敷型纤维素三(3,5二甲基苯基氨基甲酸酯)手性固定相上直接拆分了μ3S盖帽的外消旋四面体金属簇合物。

    The direct chiral separation of (μ _3-S ) - bridged racemic metal clusters was performed on cellulose-tris ( 3,5-dimethylphenylcarbamate ) chiral stationary phase ( CDMPC-CSP ) .

  17. 在化合物II中,原子S1、C4、C41、S11所在平面与二甲基二硫代氨基甲酸酯的原子所在平面间的二面角为84.4(2)°。

    In ( II ), the ethylene bridge and the bridged S atoms form a dihedral angle of 84.4 ( 2 )° with the dimethyldithiocarbamate plane .

  18. 评述分析了CO2的各种资源化应用前景:CO2气体用作生物碳源、辅助注射成型剂及有机物(如氨基甲酸酯、表面活性剂)合成原料等;

    The prospects of CO_2 reutilization were analyzed , such as using gaseous CO_2 as carbon source for organism and auxiliary for injection molding and synthesis materials for organic compounds ( like carbamate and surfactant );

  19. 目的探讨二乙基二硫代氨基甲酸酯(DDC)对提高纳米级阿霉素碘油乳剂在体内外的抗肿瘤作用。

    Objective To examine the possibility of enhancing adriamycin nanoparticle lipiodol emulsion ′ s antitumor effect by pretreating the tumor cells with Diethyldithiocarbamate ( DDC ) .

  20. 目的研究核转录因子κB(NFκB)抑制剂吡咯烷二硫代氨基甲酸酯(PDTC)对移植静脉内膜增生的影响。

    Objective To investigate the effect of nuclear transcription factor - κ B ( NF - κ B ) inhibitor pyrrolidine dithiocarbamate ( PDTC ) on the intimal hyperplasia ( IH ) after vein graft in rats .

  21. GC-NPD同时测定中草药中有机磷和氨基甲酸酯农药残留量

    Determination of organophosphorus and carbamate pesticide residues in chinese herbal medicine by GC-NPD

  22. FC和FC2型女用避孕套是由聚氨基甲酸酯和腈这两种材料做成的。与普通的橡胶相比,这些材料引起过敏反应的机会更小。

    The FC and FC2 female condoms are made of polyurethane and nitrile , which are less likely to cause an allergic reaction than latex .

  23. 目的观察异丙酚、咪达唑仑及吡咯烷二硫代氨基甲酸酯(PDTC)对大鼠体外循环(CPB)后急性肺损伤(ALI)的影响。

    Objective To examine the effects of propofol , midazolam and pyrrolidine dithiocarbamate ( PDTC ) on acute lung injury ( ALI ) induced by normothermic cardiopulmonary bypass ( CPB ) .

  24. 以脱氧胆酸为spacer,通过三光气桥连各种芳胺,合成了新的氨基甲酸酯型分子钳受体1~4.这些化合物的结构经IR,1HNMR和元素分析所证实。

    New chiral molecular tweezers 1 ~ 4 have been synthesized by using deoxycholic acid as a spacer to bridge the different aromatic amines . Their structures were confirmed by IR , 1H NMR and elemental analysis .

  25. 在4种不同组成的溶剂中,采用溶剂挥发的方法将纤维素三(3,5二甲基苯基氨基甲酸酯)(CDMPC)涂敷到氨基丙烷化多孔硅胶(APS)表面。

    Cellulose tris ( 3,5 dimethylphenylcarbamate )( CDMPC ) were deposited on APS silica gel by evaporation method in four different solvents .

  26. 采用电泳迁移率改变分析(EMSA)方法检测败血症新生鼠肺脏NF-κB的表达情况和应用吡咯-硫氨基甲酸酯(PDTC)后肺脏NF-κB活性变化情况。

    The activity of NF-icB in the lungs of newborn rats with staphylococcus aureus sepsis was detected by the electrophoretic mobility shift assay ( EMSA ) and the effect of anti-oxidant pyrrolidine dithiocarbamate ( PDTC ) on it was studied .

  27. 聚氨酯(PU)是聚氨基甲酸酯的简称,因其具有良好的弹性、耐磨性、分子可剪裁及加工简便等优点,广泛应用于各行各业。

    Polyurethane ( PU ) is the abbreviation of getting amino acid esters together . Because it has the advantages of good elasticity , abrasion resistance , molecular structure that can be tailored , and simple processing , it is widely used in most of industries .

  28. 对LB-PU泡沫的化学结构、泡孔结构及热稳定性进行了分析,红外光谱分析表明LB-PU泡沫与普通PU泡沫具有相同的氨基甲酸酯基本结构。

    Properties of LB-PU including molecular structure , cell structure , and thermal properties were analyzed . FT-IR showed LB-PU foam had same basic structure of carbamate bond with PU foam .

  29. 之间,也只有6.86,有机磷和氨基甲酸酯杀虫剂对不同蚜虫的选择毒性与乙酰胆碱酯酶(AChE)对巯基试剂(DTNB)的敏感度有明显的相关性,说明其选择毒性与AChE的巯基结合部位有关。

    The ST of op and carbamate insecticides was significantly correlated with the sensitivity of the target enzyme ( AChE ) to the sulfhydryl reagent ( DTNB ) . It appeared that the ST was probably related to the sulfhydryl binding site of AChE .

  30. 低浓度梭曼也使N-AChR数增加,对N-AChR代谢的改变与高浓度氨基甲酸酯的作用相一致。

    The number of N-AChR was also increased after pre-treatment of low concentrations of soman , whose effects on N-AChR metabolism were similar to those of high concentrations of carbamates .