说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 酯类
1)  esters
酯类
1.
Mechanism of Esters Synthesis by G. penicillatum;
酯类风味物质微生物代谢机理研究
2.
Structure-activity relationship of alkyl 9-nitrocamptothecin esters;
烷基9-氮硝基喜树碱酯类的构效关系
3.
Research progress in lipase-catalyzed synthesis of esters in organic solvent
非水介质中脂肪酶催化合成酯类的研究进展
2)  ester [英]['estə]  [美]['ɛstɚ]
酯类
1.
Studies on Carriers Used in Synthesis of Ester by lmmobilized Cells;
固定化细胞合成酯类载体的研究
2.
The main aroma components of Liquor are esters.
酯类是白酒中的主要香气成分,本文主要介绍西南菌种站保存的部分酿酒增香酵母在不同发酵培养条件下的产酯能力。
3.
Using ester and hydrogenated tea seed oil as base oil,a biodegradation refrigeration compress lubricate oil was developed.
采用酯类和经过加氢精制茶籽油作为制冷压缩机油基础油,研制了一种可降解制冷压缩机油,并探讨了相应添加剂对生物降解过程产生的影响。
3)  ester liquid crystal
酯类液晶
1.
The thermo properties and electro-optical properties of four-ring ester liquid crystals are reported.
报道了4个系列10余种含环己基(苯基)四环酯类液晶单体的热性能和光电性能参数,并利用成熟的PCH基础配方研究了环己烷酯类在混晶配制时的添加性能,首次报道了此类混晶的饱和电压、阈值电压、双折射数据。
2.
Three ester liquid crystal compounds were synthesized by their esterification with 4-(trans-4′-alkylohexyl) compounds.
本文以 2 ,3 二氟 4 烷氧基溴苯为原料 ,开发了一种新的合成方法 ,用该方法所合成的 3种侧向二氟取代的酯类液晶的介晶相性质未见文。
3.
The latest progress on the synthesis of novel ester liquid crystals was introduced; the synthesis methods and capability of novel ester liquid crystals was discussed; meanwhile its application prospects were looked forward.
酯类液晶是近年来广泛应用于高端电子产品的液晶材料。
4)  ester reaction
酯类反应
1.
Recent advances in ester reactions catalyzed by supported heteropoly compounds;
负载杂多化合物催化酯类反应研究进展
5)  ester flavors
酯类香料
1.
A study on dissipation rates of ester flavors in cigarettes;
一些酯类香料在卷烟加香后散失率研究
2.
Some ester flavors were injected into cigarettes and then treated at different conditions, the cigarettes flavored were extracted with SDE and then the lost ratios of ester flavors in cigarettes were determined with GC and GC/MS.
使用同时蒸馏萃取及气相色谱(GC)和气相色谱/质谱联用(GC/MS)分析方法,对注射加入卷烟中的酯类香料的散失情况进行了研究,发现加香后直接分析时卷烟中酯类香料散失率跨度很大,在具有相同官能团的同系物中,分子量越大沸点越高,散失率越低。
6)  esterase enzyme
酯类酶
补充资料:丙烯酸酯类义齿软衬材料
分子式:
CAS号:

性质:分甲基丙烯酸酯类和亲水性丙烯酸酯类两大类。前者由粉剂和液剂组成,并可加入芳香酯或乙醇等。缺点是软性保持时间短,易变色、变脆。后者由聚甲基丙烯酸羟乙酯、甲基丙烯酸羟乙酯、交联剂等组成,可用自凝或热凝法成形,吸水后更为柔软。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条