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- Elimination of an alkyl chain substituted on an aromatic ring results in the appearance of free radicals. 在一芳香環上一個取代烷鏈的消失,結果出現自由基。
- The results showed that the biodegradability of PAEs decreased with the increase of the carbon number of alkyl chain. 結果表明,鄰苯二甲酸酯的好氧生物降解性隨烷基鏈含碳數的增加而降低;
- In contrast, the BP-5 molecule with short alkyl chain forms spherical surface micelle at the interface. 含有較短烷基鏈的BP-5分子在液/固界面上形成球狀的表面膠束;
- And the length and branching of alkyl chain in the hydrophobic group are main structure factors affecting surfactants' efficiency and effectiveness. 而表面活性劑親油基的碳鏈長度和親油基的支化是影響效率和效能的主要結構因素。
- The low-viscosity ILs were rationally designed and synthesized.In addition, serial ILs based on imidazolium with long alkyl chain were synthesized. 通過陰離子交換的方法,得到了以氯離子、溴離子、碘離子、六氟磷酸根和四氟硼酸根等為陰離子的一系列離子液體。
- When the length of alkyl chain increases, their water solubility decrease quickly and limits the dyeing effect and surfactivity partly. 但隨著碳鏈長度的增加,它們的水溶性大大降低,部分地限制了其染色性能和表面活性。
- 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;該聚合物中含有重量比為53.;37%25的硬脂酸尾鏈和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,則由於其烷基鏈的綣曲,只起到鹽的作用。高溫雖然破壞了鹼基所誘導產生的振動結構,但對激基締合物有利。
- 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. 摘要雙烷基季銨鹽類產品是一種性能優良的織物柔軟劑,如果在烷基鏈中引入不飽和鍵,就會提高其生物降解性。
- The results showed that dyes with strong electron-withdrawing group, asymmetrical structure and short alkyl chain substituents have better bleaching properties. 結果表明,油溶性染料分子中,取代基團的吸電性強,不對稱性大,取代基含脂肪鏈短的,其漂白性能好。
- The results show that the number of the gauche conformation is increasing as the temperature increasing.When it is coming to the isotropic phase,the alkyl chain is in disorder. 結果表明在液晶分子中象羰基這樣的偶極矩較大的極性基團,對分子所處的相態分子間的相互排列比較敏感。
- 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). 採用Wilhelmy白金板法在室溫25℃測定了離子液體的表面張力;隨著1位氮上取代基碳鏈的增長;表面張力從[C4mim]PF6的48.;0 mJ/m2逐漸下降到[C7mim]PF6的35
- With ethidium bromide (EB) as probe, it was found by fluorescence spectra that DNA conformation was more compacted as the alkyl chain of APG increased. However, even C 12APG could only partially compact DNA. 以溴化乙錠為探針 ;熒光光譜法研究證明 ;隨APG鏈長增加 ;DNA構象縮攏程度加大 ;但即使是C12 APG也僅能使DNA構象部分縮攏 ;推測DNA僅是部分鏈段對APG膠束進行包裹 ;其它鏈段仍處於伸展狀態 .
- Whereas every DCOQA molecule is surrounded by two alkyl chains and two quinacridone cores in crystal. 而在DCOQA晶體結構中,每個喹吖啶酮中心被毗鄰分子的兩個辛基鏈和兩個喹吖啶酮基團包圍。
- So we can get to the result that every molecue of ADW has 80.5 stearic chains and 10.5 azo contained alkyl chains in average. 並可以由此進一步計算出平均每個ADW聚合物分子(分子量為42375)含有80.;5個硬脂酸尾鏈;10
- The molecular structure of microcrystalline wax can be regarded as cycloalkanes with 1 or 2 rings and various long alkyl chains. 微晶蠟的平均分子結構可看作是帶不同長度與個數的長側鏈的含1個或2個環的環烷烴。
- Moreover, the results of IR spectrum and apolar component of surface free energy showed that the alkyl chains of OTS tilted on the surface of PTW after the modification. IR分析和色散分量測定表明,改性后OTS的烷基鏈傾斜在PTW表面。
- N-alkylacrylamide, including DDA, DDMA, HDA, HDMA, is a kind of amphiphiles which have long alkyl chains, and they have the ability of forming stable films. N-烷基丙烯醯胺DDA,DDMA,HDA,HDMA是一類長鏈兩親性分子,成膜性能較好。
- Effect of alkyl chain on N-alkyl dimethyl betaine 烷基碳鏈對N-烷基二甲基甜菜鹼性能的影響
- The chain has fallen foul of plants in the water. 鏈條已和水中的植物纏繞在了一起。