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- A low molecular weight poly(DL lactide) containing carbon carbon bonds was synthesized from DL lactide, glycerin and fumaric acid. 由丙三醇、丙交酯和反丁烯二酸制得一含碳碳双健的低分子量聚酯。
- carbon carbon bond 碳-碳链
- Ring closing metathesis (RCM) of dienes to cycloalkene provides an important tool for C-C double bond formation catalyzed by metal carbene. 关环转换反应是形成碳碳双键的重要反应之一,即双烯化合物在金属碳烯催化下关环得到环烯类化合物。
- The degree of bond formation by ligases is proportional to the amount of ATP available in the cell at a particular instant. 连接酶合成产物的瞬时速度与细胞中可利用的ATP含量成比例。
- Ligase An enzyme that catalyzes the bond formation between two substrates at the expense of the breakdown of ATP or some other nucleotide triphosphate. 连接酶:可将两个底物结合在一起的酶,此过程需要ATP或其他核苷三磷酸供能。
- The same forces and mechanisms responsible for size enlargement in roller compaction are responsible for bond formation during tabletting. 碾压中施加于颗粒增大的力和机理也用于压片的粘合成型。
- Scientists have traced this behavior to hormones in the rodent's brain, which triggers lasting bond formation and increased aggression toward potential home wreckers. 科学家认为,这种荷尔蒙不但让普拉里鼠夫妇间保持着长期稳定的伴侣关系,还让他们天生就对可能破坏家庭的第3者具有进攻性。
- The enthalpy of hydrogen bond formation between the nucleoside bases 2-deoxyguanosine (dG) and 2-deoxycytidine (dC) has been determined by direct measurement. 很明显,前面的句子是关于一个最近发现的酵母基因,而第二句则着重强调了它有一个和动物一致的基因。另外一个例子:[1
- A multi layer coating with a SiW outer layer by liquid reaction formation method was prepared for carbon carbon composites,and then the structure of the oxide film on the coating was investigated by XRD,SEM,Raman spectrum and electron probe. 研究了一种液相法及其它方法制备的碳碳复合材料多层防氧化涂层,并用XRD,SEM,Raman光谱和EMPA研究了液相法制备的SiW涂层表面氧化后的结构。
- Recent progress in indium (III) compounds promoted organic reactions and their application in organic synthesis is reviewed in this paper, in which special efforts have been given to carbon-carbon and carbon-heteroatom bond formation reactions. 摘要综述了近年来三价铟化合物促进的多种有机反应及其在有机合成中的应用,其中重点讨论了三价铟化合物促进下的碳-碳键和碳-杂原子键的形成反应。
- The surface energy of DLC films is dependent on the carbon bonds and surface roughness. DLC薄膜表面能高低取决于表面碳碳键与粗糙度的变化.
- Xu H J,Xiong X,Huang B Y,et al.Friction properties of carbon carbon composites with different pyrocarbon structure[J].Tribology,2003,23(4):344-349. [2]徐惠娟;熊翔;黄伯云;等.;不同热解炭结构的炭炭复合材料的摩擦特性[J]
- Life with oxygen began some 2.5 billion years ago with the evolution of organisms capable of transducing solar energy into the chemical energy of carbon bonds. 有氧生物25亿年前就已经存在了,演变的有机体能够将太阳能转化为与碳结合的化学能。
- You need a strong adhesive to bond wood to metal. 需要强力胶才能把木料粘在金属上。
- GreatPoint Energy's technology uses the same basic technique to “refine” coal by employing a novel catalyst to “crack” the carbon bonds and transform the coal into clean burning methane (natural gas). 巨点能源技术使用相同的技术来精炼原煤,通过使用新的催化剂来打断炭键,并将煤变成清洁可燃的甲烷(天然气)。
- This glue makes a good firm bond. 这种胶水粘得很结实。
- Common tastes form a bond between the two men. 共同的爱好使两人结交为朋友。
- Carbon-Carbon Double Bond Formation from the Reaction of Organozinc 与醛的碳-碳双键形成反应
- Peptide bond formation; new technologies using the ribosome 肽键的生成:利用核糖体的新技术
- I make a carbon copy of my documents. 我用复写纸复写文件。