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- In this thesis, the short chain MEH-PPV polymer is studied. 在本论文中所讨论的研究材料是短链的MEH-PPV分子。
- The reaction of benzene alkylation with long chain olefin and diphenyl ether (DPE) alkylation with olefin are two important industrial reactions. 苯与长链烯烃烷基化反应制得的直链烷基苯、二苯醚与烯烃烷基化反应生成的烷基二苯醚是两类重要的工业反应中间体,它们经进一步的磺化、中和过程生产的烷基苯磺酸盐和烷基二苯醚磺酸盐是优良的阴离子表面活性剂,是现代合成洗涤剂工业产品中的主要成分。
- A short chain or ribbon attached to a pocket watch and worn hanging in front of the vest or waist. 表链佩戴在马甲或腰前的与怀表连接的短链或短带
- A coating powder with a significant content of a polymer containing short chain esters of various acrylic monomers. 一种粉末涂料类型,该类型中有效的树脂体系为短链的不同丙烯酸单体的酯类聚合物。
- All starch in the influent can be converted to short chain fatty acids , biomass and biogas in the TUASB reactor. 淀粉能够完全转化为挥发性有机酸、微生物污泥、生物气;
- The strain was Gram-negative coccobacilli, pair or short chain arranged, no flagella. 结论苯丙酮酸莫拉菌是引起自发性细菌性腹膜炎的少见菌之一。
- A benzene ring can also be thought of as a short chain of six such carbon atoms, with alternating bonds, biting its tail to form a closed loop. 苯环可以看成是由六个这种碳原子所组成的短链,它们的单双键交替,并且头尾相连形成一个封闭迴圈。
- From the perspective of structure, coal supply chain has steady entity structure, long chain coexisting with short chain, related techniques etc. 从结构特征看,煤炭企业供应链具有实体结构稳定、长链和短链共存、工艺相关性等特点;
- Relation grid is isomorphic to the actual social network, so it satisfies the small-world model with members short chain connected. 关系网格与现实的社会关系网络是同构的,因此满足小世界模型并具有内部成员短链连接的性质。
- A new sort of water evaporation retardants of W/O emulsion system was prepared by blend of long chain fatty alcohol and short chain alcohol. 采用长链脂肪醇和短链醇复配,制成W/O乳液体系,制备了一种新型水分蒸发抑制剂。
- It indicates that short chain fatty acid may be the the active components of the metabolic product of Lactobacillus and Bifidobacterium . 分析结果表明短链脂肪酸很可能是乳酸杆菌、双歧杆菌提取物抑菌的主要活性成分。
- The triacylglycerol are the ester mixtures composed of long chain saturated fatty acids and short chain fatty acid esterified with the glycerol. 三酰甘油酯是由长链饱和脂肪酸和短链脂肪酸(乙酸、丙酸和/或丁酸)与丙三醇酯化所得。
- It is believed that short chain fatty acids from sebum contribute to the crystalline to gel transition in the upper stratum corneum layers [18]. 人们认为皮脂中的短链脂肪酸有助于外层角质层中晶体向胶状体的转化[18]。
- Within a predictably short time it was found convenient to heave a short chain attached to the neckring for tethering her to a spot or for leading her. 可以想象,只是在一个很短的时间内,这种方便的用法就被发现了,使用一根短链子接到颈环上就可以把女孩固定在任何场所或者牵着她。
- The processes,characters and uses about the short chain and oligomeric agricultural ammonium polyphosphate are described by condensation method between phosphoric acid and urea. 重点介绍磷酸与尿素缩合法生产农用短链低聚磷酸铵的生产方法、性质、用途。
- Zeolite Y,modified by exchanging of ions,has proper surface acidity and pore structure,and is suitable for alkylation of benzene with long linear chain olefins to produce LAB. 利用Y型分子筛为原料,经过离子交换改性,合成了具有一定表面酸性和孔结构的固体酸催化剂,用于苯与长链烯烃的烷基化反应合成烷基苯,效果良好。
- Your work falls short of my expectations. 你的工作未达到我的期望。
- Our escape was little short of miraculous. 我们能逃脱简直是个奇迹。
- P34H, a member of the short chain dehydrogenase/reductase(SDR) superfamily, is acquired on the acrosomal cap of human spermatozoon during its maturation arising within epididymis. P34H是由人附睾上皮细胞分泌并定位于精子顶体的精子膜蛋白,属于短链脱氢酶还原酶(SDR)超家族成员。
- A thinlayer chromatographic(silica G) was reported for the seperation of long chain and short chain ethoxylated fatty amines, IR and EI/MS were used for studying of the structure. 研究了长、短链烷基胺聚氧乙烯醚混和物的薄层色谱分离条件,并应用红外、电子电离质谱手段进行了鉴定。