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- Keywords tertiary ammonium surfactants;ramie;cationization;physical properties;dyeing properties; 季铵类表面活性剂;苎麻;阳离子化;物理性能;染色性能;
- tertiary ammonium surfactants 季铵类表面活性剂
- Mass fraction of Pt being 0.4%, that of F being 1.50%, the bifunctional catalysts prepared by tertiary ammonium exchange h ave better property of pour point depression. 经 3次?交换 ;w(Pt)为 0 .;4%25;载体酸性改进剂w (F)为 1
- Gemini quaternary ammonium surfactants 季铵型Gemini表面活性剂
- Investigation on the Interaction between Quaternary Ammonium Surfactants and Lecithin Vesicles 季铵盐表面活性剂与卵磷脂囊泡相互作用的研究
- Keywords soman;gas chromatography-mass spectrometry;acetylcholinesterase;oxime reactivators;tertiary ammonium reactivators;reactivation;aging;allosteric agents;AChE inhibitors.; 梭曼;气相色谱-质谱;乙酰胆碱酯酶;肟类重活化剂;叔铵类重活化剂;重活化;老化;变构剂;胆碱酯酶抑制剂;
- bis-quaternary ammonium surfactant 季铵盐双子表面活性剂
- Quaternary ammonium surfactants 季铵盐型表面活性剂
- Developing the tertiary industry. 加快发展第三产业。
- China StatistlcalYearbook of The Tertiary Industry. 中国第三产业统计年鉴。
- DO THE SURFACTANTS HAVE THE SOD- LIKE ACTIVITY? 表面活性剂具有SOD样活性吗?
- A highly explosive mixture of ammonium nitrate and trinitrotoluene. 阿马托炸药一种由硝酸铵和三硝基甲苯组成的烈性混合炸药
- Tertiary education follows secondary education. 高等教育紧跟中等教育。
- Developing the tertiary industry? 加快发展第三产业。
- This might be called a “tertiary structure. 这可能是所谓的“三级结构”。
- EI/MS and ESI/MS were used for the analysis of quaternary ammonium salt cationic surfactants. 以电子轰击质谱法(EI/MS)与电喷雾质谱法(ESI/MS)相结合,分析季铵盐型表面活性剂。
- Diagnosis: tertiary neurosyphilis-general paresis. 诊断为三期神经梅毒麻痹性痴呆。
- It is compatible with ammonium compounds. 它可与氨化合物混用。
- Must not protrude above the metal surfact. 尼龙螺母不应高出金属表面。
- Manufacturing sales : Yean, ammonium bicarbonate. 制造销售:液氨、碳酸氢铵。