查询词典 e-boat

The curing procedure of bisphenol A cyanate ester resin modified by copolymerization with epoxy E-51 and alicyclic epoxy resin R-122 was studied by differential scanning calorimetry.

采用示差扫描量热法对缩水甘油醚类环氧树脂(E-51)与脂环族环氧树脂(R-122)共同改性的双酚A型氰酸酯树脂的固化反应历程进行了研究。

The invention relates to a method for making oligomeric isocyanates by reacting diisocyanates in the presence of a catalyst, wherein the catalyst comprises a saline compound prepared from an anion selected from 1,2,3- or 1,2,4-triazole, a substituted species of 1,2,3- or 1,2,4-triazole and carbocyclically and/or heterocyclically annellated species of 1,2,3- or 1,2,4-triazole and the cation selected from an alkali metal, alkaline-earth metal and/or monovalent ammonium cation and/or phosphonium cation of formula (5), wherein the E, R1, R2, R3, R4 are as defined in the descriotion.

本发明涉及一种制备低聚异氰酸酯的方法，包括二异氰酸酯在催化剂的存在下进行反应，其中所述催化剂由盐化合物组成，该盐化合物由选自1，2，3-或1，2，4-三唑、1，2，3-或1，2，4-三唑的取代系列者、1，2，4-三唑的碳环稠合系列者、1，2，3-或1，2，4-三唑的杂环稠合系列者的化合物及其混合物的阴离子和选自碱金属、碱土金属和/或通式(5)的一价铵阳离子和/或磷友衾胱拥难衾胱又票福其中E、R 1 、R 2 、R 3 和R 4 如说明书中所定义。

What is the first step in the reaction of E+ with PhH Compare it with the first step in the addition to an alkene.

答： E+与 PhH的第一步反应是什么试与烯的加成反应比较。

Vitamin E, Pearl, Aloe, Mint, Allantoin, Natural Compound Fresh And Cool

维他命E，珍珠，芦荟，薄荷，尿囊素，天然复合清凉剂

Vitamin E helps shield skin from environmental assaults while moisturizing Allantoin stimulates healthy tissue formation.

维他命 E 有助于保护肌肤免受环境伤害，保湿尿囊素可以刺激健康组织的形成。

No.36 in e major,op.67,no.6,lullaby,allegretto non troppo

36号E大调，作品67号之6，《摇篮曲》，不过分的小快板

Abstract］ Objective: To explore the significance of allergen and serum total immunoglobulin E test in anaphylactic purpura.

摘要］ 目的：探讨过敏原与血免疫球蛋白E浓度在过敏性紫癜中的临床意义。

XYZ/E is a temporal logic system as well as a programming language.It can represent almost every kind of significant features in conventional imperative languages.

XYZ/E既是一个时序逻辑系统也是一个程序设计语言，它能表示普通高级语言中几乎所有的重要机制。

Amazons Kindle, by comparison, does best in direct light, since its E Ink screen is reflective, like a piece of paper.

与之相比，亚马逊Kindle在光线直射的情况下表现最佳，因为它的E Ink屏幕是反光的，就象是一张纸一样。

They say they did this by stopping interaction between amyloid and a protein known as apo E.

他们说他们通过apo E停止amyloid和蛋白质之间的相互作用。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。