Different salts of metals were used as the cationization agents to examine the effect on the cyclic oligomers.
比较了不同基质及阳离子剂对芳香环状聚膦酸酯分析结果的影响。
The cyclic arylether ketone(sulfone) oligomers containing hexafluoroisopropylidene unit were characterized by matrix-assisted laser desorption ionization time-of-flight mass spectrometry( MALDI-TOF-MS) using Na+ and Ag+ as cationization agents.
应用基质辅助激光解吸电离飞行时间质谱,在不同阳离子剂的存在下,对6氟双酚A聚芳醚酮(砜)环状低聚物的结构进行了确认,研究了环状化合物对金属离子的选择性及激光质谱表征含氟环状低聚物的适宜条件。
The results indicate that the method for synthesizing quarternary ammonium cationics using absolute acetic acid,trimethylamine and epichlorohydrin is better than that of using hydrochloric acid.
结果表明,采用无水乙酸与三甲胺、环氧氯丙烷合成季胺盐型阳离子剂的方法优于采用盐酸的方法;在10mL质量分数为10%、相对分子质量为3×106的非离子型聚丙烯酰胺水溶液中加入8mL浓度为2。
cationic film forming inhibitors
形成阳离子膜阻蚀剂
Synthesis and Properties of Quaternary Ammonium Salt Cationic Surfactant with Ester Groups in Condition of Steric Hindrance
含酯基位阻季铵盐阳离子表面活性剂的合成
Synthesis and application of lauric acid ester quaternary ammonium salt cationic surfactant in condition of steric hindrance
位阻月桂酸阳离子酯表面活性剂的合成及应用
Study on synthesis and corrosion inhibition of ester succinate-containing cationic Gemini surfactants
含丁二酸酯Gemini阳离子表面活性剂的合成及缓蚀性能
Studies on Synthesis and Properties of Monolayer Films of Multialkyl Cationic Gemini Surfactant;
多疏水链阳离子二聚表面活性剂的合成及其成膜性质的研究
Effects of Filming Corrosion Inhibitors on Anodic Behavior of Armco-Iron in Neutral Solution
中性溶液中成膜型缓蚀剂对铁阳极行为的影响
Synthesis and Characterization of a Cationic Gemini Surfactant
新型双联阳离子活性剂的合成与表征
Research on Synthesis Process of Cationic Etherifying Agent CHPTMAC;
阳离子醚化剂CHPTMAC合成工艺的研究
Study on the Synthesis of the New Type of Retanning Agent-PAED;
新型阳离子复鞣剂PAED的合成研究
Research on Film-Forming Electrolyte Additive in Lithium-Ion Batteries;
锂离子电池电解液成膜添加剂的研究
The Researches on Morphology of Polyelectrolyte Multilayer Films Fabricated by DNA and Polycation;
DNA/聚阳离子多层膜结构的表面形貌研究
Effect evaluation of positive ion amoebae particle profile control agent after polymer flooded reservoir
聚驱后阳离子变形虫颗粒类调剖剂效果评价
Synthesis and surface activity of cationic Gemini surfactant
阳离子型双子表面活性剂的合成及表面活性
The Synthesis and Application of a New Cationic Polymer Flocuulant;
新型阳离子高分子絮凝剂的合成及应用
Synthesis of novel cationic polymeric dispersant and its application
新型阳离子高分子分散剂的合成与应用
Synthesis of Gemini Cationic Surfactant Derived
乙二胺四乙酸合成双子型阳离子表面活性剂
Inhibitory Kinetic Spectrophotometric Determination of Trace Cerium with Surfactant Sensitizer
阳离子表面活性剂增敏阻抑动力学光度法测定痕量铈(Ⅳ)的研究
An image of the patterns on the mask is projected onto the resist-coated wafer, which is many centimeters away.
掩膜板上图形的像被投影到许多厘米以外的涂有抗蚀剂的片子上。