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- hard type surfactant 硬性表面活性剂
- The development of the preparation and application of redox type surfactant containing ferrocenyl group in the past twenty years was summarized. 综述了含有二茂铁基团氧化还原表面活性剂在近20多年内的发展情况,说明了其潜在的应用前景。
- Medium hard type, good colour dispersing, good surface glossy，nonstick surface, good properties of anti-swelling. 特性及用途Characteristics and Applications: 中硬质，展色性佳，滑爽度佳，耐膨润性佳，表皮成膜不粘连。
- Measurement on surface tension and Critical Micelle Concentration(CMC) show that this type surfactant has good surface activity, its surface tension and CMC reach 36.5mN/m, 4.04x10~5g/mL respectively. 表面张力及临界胶束浓度的测定结果表明该类表面活性剂具有良好的表面活性，其表面张力可降至36.;5mN/m，临界胶束浓度可达4
- Logic errors are generally the hardest type to fix, since it is not always clear where they originate. 逻辑错误通常是最难修复的类型,因为它们发生的位置一般都不明确。
- It is hard to sleep without a cooler in this room. 没有空气调节器，在这间屋里很难入睡。
- Keywords GPC method;Moleculer wight distribution;Polyester type surfactant; 凝胶色谱法;分子量分布;聚酯型高分子表面活性剂;
- John felt it hard to rig out his family. 约翰感到难以为一家大小置备衣着。
- The hard core in the party make all the decisions. 这个党的核心成员决定一切。
- Hard copy is computer output on paper, printing or graphics. 硬拷贝是出现在纸上、印刷上或图表上的电脑输出。
- I scrubbed hard at the stain to see if I could get it off. 我使劲擦这个污迹，看能不能将它去掉。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- He pushed hard on the brake pedal to avoid a collision. 他使劲踩下煞车踏板以避免撞车。
- One can not learn a language well unless one works hard. 学好一种语言非下苦功不可。
- Let's collect the sap before its consolidation into a hard mass. 让我们在树液坚固成团之前将之收集起来。
- He owes his opulence to work hard. 他的财富乃辛勤工作得来。
- She was trying hard to disgorge a fish bone. 她拚命想把鱼刺吐出来。
- The emery is a hard metallic substance. 金刚砂是非常坚硬的金属物质。
- Quantitative Analysis of Alkylphenol Polyoxyethylene Ether Type Surfactant in Degreasing Solution 除油液中烷基酚聚氧乙烯醚类表面活性剂的定量分析
- Hard training will fit them to run long distances. 严格的训练将使他们能跑长距离。
