查询词典 ether

Coordination compound ; Trihydrated Yttrium Nitrate ; Crown ether 18C6; Phase equilibrium.

配合物；三水合硝酸钇；冠醚18C_6；相平衡

The invention relates to a pipeline polyurea outer anticorrosive coating and the making method thereof, making heated prepolymerization reaction on dibenzo-methane diisocyanate, carbodiimide diisocyanate, polyether binary alcohol and polyether trihydric alcohol to prepare prepolymer solution A, and making end amino polyethylene oxide ether, dimethyl sulfur-based toluene diamine, diethyl diamine, iso-propyl titanate solution, polyacrylate, carbon black, titanium dioxide and lightweight calcium carbonate into solution B, and as using, respectively heating the solutions A and B to 65 deg.C and then mixing them, then quickly spraying and curing to form a coat.

本发明涉及一种管道用聚脲外防腐涂料及制造方法，由二苯基甲烷二异氰酸酯、碳化二亚胺化二异氰酸酯、聚醚二元醇和聚醚三元醇通过加热预聚反应制成预聚物的A液、由端氨基聚氧化乙烯醚、二甲硫基甲苯二胺、二乙基甲苯二胺、钛酸异丙酯溶液、聚丙烯酸酯溶液、碳黑、钛白粉和轻质碳酸钙配制而成的B液组成，使用时将A液和B液分别加热至65℃后混合，然后快速喷涂固化形成涂层。

Some additives that could enhance the enzyme stability were screened through single factor experiments, such as 5 mmolL^(-1) Ca(superscript 2+), 20 mgmL^(-1) trimethylene glycol-single methyl ether, 0.01% 4-formyl phenyl-boron dihydroxide, 1% glycerine.

通过单因素实验得出了对碱性蛋白酶稳定效果较好的几种保护剂：5mmolL^(-1) Ca(上标 2+)；20mgmL^(-1)微胶粒抑制剂丙二醇－单甲醚；0.01%可逆蛋白酶活性抑制剂4－甲酰苯基硼酸；1%甘油。

The different enzyme protecting agent had effected on the liquid alkaline protease under the dissimilar condition. Taking the living rate of enzyme as the target, we obtained one high effective alkaline protease stabilizing agent formula through orthogonal experiments as following: 5 mmolL^(-1) Ca(superscript 2+), 15mgmL^(-1) trimethylene glycol-single methyl ether, 0.015% 4-formyl phenyl-boron dihydroxide, 1% glycerine.

在此基础上，进行L13(3^7)正交实验，以相对酶活率为指标，考察了不同酶活性保护剂在不同条件下对液体碱性蛋白酶活力的影响，筛选到一种优质高效的碱性蛋白酶稳定剂配方为：5mmolL^(-1) Ca(上标 2+)，15mgmL^(-1)丙二醇－单甲醚，0.015% 4-甲酰苯基硼酸，1%甘油。

XRD and NMR analyses showed that a type of semicrystalline structure existed in the precipitate. However, ether-based polymeric structure was uncrystallizable due to existence of the complex intermolecular hydrogen bonding interaction.

结合XRD和核磁共振分析结果推测：硫脲甲醛聚合产物中存在着一种氢键导向型结晶结构；分子中含有醚键的聚合产物因具有复杂的氢键作用没有结晶性。

Synthesis gas ; Hydrogenation ; Dimethyl ether ; Methanol ; Bif unctional catalyst ; XPS ; XRD

合成气；加氢；二甲醚；甲醇；双功能催化剂； XPS ； XRD

The major elements of earth, water, air ,fire and ether; the false ego, spiritual intelligence, the unmanifest element in material nature, the ten senses along with the mind and the five objects of the senses as sound, sight, taste, touch and smell; disdain, happiness, distress, the perceptual faculty of the mind, determination; all this is declared to be the field of activities modified by the six transformations of the physical body beginning with birth and ending with death.

五大主要元素&地，水，火，风&和&空&，假我，灵性智能，物质本性中的无形元素，与心意相关的十识以及五种感官对象如声音，影像，味道，触觉和气味，蔑视，幸福，苦难，心意的知觉能力，决心，等等，所有的这些都被称作是行为活动场，是由以生为始，以死为终的肉体六道轮回所改变的。

The fatty oil from the seeds of M. cochinchinensis was extracted with petroleum ether, and the saponification was carried out with potassium hydroxide. The unsaponifiable matter was isolated and purified by silica gel column chromatography, and the structures of their constituents were elucidated by means of IR, MS, 1H-NMR, and authentic chemicals.

石油醚提取脂肪油，氢氧化钾进行皂化反应，对不皂化部分进行硅胶柱色谱的分离和纯化，用IR，MS，1H-NMR等波谱技术和对照品对照等方法进行化合物的结构鉴定。

It is easy soluble in water,propylene glycol and glycerol etc,unsoluble in ether,benzene and chloroform.

易溶于水、丙二醇、甘油等，难溶于醚、苯、氯仿，受强热可水解为肌醇和磷脂。

The present invention relates to a water-soluble associative cellulose ether having a DP viscosity from 250 to 20,000 mPa's, measured at a concentration of 1 % by weight, and a molecular substitution, MS, from 0.0001 to 0.005 of a hydrophobic substituent containing an unsubstituted or substituted hydrocarbon group of 8-24 carbon atoms.

本发明涉及一种水溶性缔合纤维素醚，其在1重量％的浓度下测量的DP粘度为250-20，000mPa's，并且含有未取代或取代的C8-C24烃基的疏水取代基的分子取代度MS为

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。