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- The results showed that their surface tension decreased with an increasing alkyl chain length(n) at the 1-position of the cation. The values of surface tension covered a relatively wide range from 48.0 mJ/m2(PF6) to 35.7 mJ/m2(PF6). 采用Wilhelmy白金板法在室温25℃测定了离子液体的表面张力;随着1位氮上取代基碳链的增长;表面张力从[C4mim]PF6的48.;0 mJ/m2逐渐下降到[C7mim]PF6的35
- Effect of the Alkyl Chain Length of Alkane and Surfactant and Salt on the Thermodynamic Properties of Microemulsion with Liear Alkylsulfonates 阴离子型表面活性剂组成的微乳热力学性质
- Keywords Polypyrrole;Electrochemical polymerization;Alkanethiol;Self-assembled monolayer films;Alkyl chain length;End functional group; 聚吡咯;电化学聚合;烷基硫醇;自组装膜;烷基链长;端基功能团;
- alkyl chain length 烷链长度
- And the length and branching of alkyl chain in the hydrophobic group are main structure factors affecting surfactants' efficiency and effectiveness. 而表面活性剂亲油基的碳链长度和亲油基的支化是影响效率和效能的主要结构因素。
- When the length of alkyl chain increases, their water solubility decrease quickly and limits the dyeing effect and surfactivity partly. 但随着碳链长度的增加，它们的水溶性大大降低，部分地限制了其染色性能和表面活性。
- The chain length must also be specified. 链条长度也必须指定。
- The detergency,dispersing and wetting properties of alkyl polyglucosides with differences in chain length and average polymerization degree(DP)were evidenced. 对不同碳链和不同聚合度的烷基多苷的去污力、钙皂分散力、润湿力进行了研究和评价。
- The effects of the concentrations, mixed ratio for two surfactants and the chain length of the alkyl sulfonate on the formed vesicles were investigated, respectively. 对混合表面活性剂的总浓度、两表面活性剂的混合比以及混合体系中烷基磺酸盐的碳链长度对囊泡形成的影响进行了研究。
- HOMO-LUMO gaps decreased withincreasing chain length. 螺旋双芴基噻吩齐聚物 HOMO-LUMO 带隙随链长增加而减小;
- The length of the chain molecule is proportional to the kinetic chain length. 链分子的长度与动力学链长成正比。
- Elimination of an alkyl chain substituted on an aromatic ring results in the appearance of free radicals. 在一芳香环上一个取代烷链的消失，结果出现自由基。
- The results showed that the biodegradability of PAEs decreased with the increase of the carbon number of alkyl chain. 结果表明,邻苯二甲酸酯的好氧生物降解性随烷基链含碳数的增加而降低;
- In contrast, the BP-5 molecule with short alkyl chain forms spherical surface micelle at the interface. 含有较短烷基链的BP-5分子在液/固界面上形成球状的表面胶束；
- The low-viscosity ILs were rationally designed and synthesized.In addition, serial ILs based on imidazolium with long alkyl chain were synthesized. 通过阴离子交换的方法，得到了以氯离子、溴离子、碘离子、六氟磷酸根和四氟硼酸根等为阴离子的一系列离子液体。
- And there is 53.37% stearic acid and 9.19% azo contained alkyl chain in the weight of ADW.The left weight belongs to the hydrophilic polymer backbone. 另外;该聚合物中含有重量比为53.;37%25的硬脂酸尾链和9
- The viscosity and polarity of the medium can be increased by theadded SDS while CTAB acts only as a salt due to its alkyl chain coiling. 但CTAB,则由于其烷基链的绻曲,只起到盐的作用。高温虽然破坏了碱基所诱导产生的振动结构,但对激基缔合物有利。
- Metachromasia, electrophoresis, and gel chromatography have shown that the charge of MPS and its chain length remain unchanged. 利用药物的变色反应性，电泳和凝胶色谱法显示MPS(多磺酸粘多糖)的电荷及其链长没有改变。
- For the same in PO/EO value, thesurface tension decreases with the increase of the chain length of EO. PO/EO 相同,EO 链段越长,表面张力越低。
- Dialkyl quaternary ammonium salts can be used as fabric softeners with high performance, their biodegradation can be improved by inducing unsaturated bond into their alkyl chain. 摘要双烷基季铵盐类产品是一种性能优良的织物柔软剂，如果在烷基链中引入不饱和键，就会提高其生物降解性。
