苯甲酰胺

The graft copolymer has an optimum effect of pour point depressing for the Daqing crude oil when it was synthesized under the conditions of that the mole ratio of EVA and octadecyl maleimide was 1:20, mass fraction peroxidation benzoin formyl was 2.5%, polymerization time was 6h, and the polymerization temperature was 90℃.

以目标物的降凝幅度为评价指标，优选出适合的合成条件为：EVA与十八烷基马来酰亚胺的摩尔比为1：20，引发剂过氧化二苯甲酰的量为2.5%，聚合时间6h，聚合温度为90℃。

The reaction of benzoic acid and ethylenediamine was studied under different conditions.

在不同条件下考察了苯甲酸与乙二胺的反应，对反应产物、主要副产物及反应中间体进行了分离和鉴定，通过熔点测定、元素分析和红外光谱分析，确定了产物为2-苯基咪唑啉，主要副产物为二苯甲酰乙二胺，中间体之一为乙二胺与苯甲酸形成的双盐。

Market sales of goods is actually soluble saccharin of the sodium o-benzoyl imide salt, Shaodai colorless crystal or white crystalline powder, odorless or slight odor, known saccharin sodium.

商品市场销售实际上是可溶性糖精的钠邻苯甲酰磺酰亚胺盐，Shaodai无色结晶或白色结晶性粉末，无臭或稍有气味，已知的糖精钠。

A white-threadlike solid copolymer has been prepared from maleic anhydride, acrylamide and methyl acrylate initiated by dibenzoyl peroxide in an aqueous solution. The scale inhibiting efficiency of the copolymer to simulated water containing CaCO3 is studied.

以马来酸酐、丙烯酰胺、丙烯酸甲酯为单体，水为溶剂，过氧化二苯甲酰为引发剂合成一种白色丝状固体共聚物阻垢剂。

The results show that the foamable MAA/MAN copolymers were prepared at 40-60℃ by polymerizing the mixture of 50phr MAA, 50phr MAN, 1-5phr magnesium oxide, 2-8phr butanol and tert-butanol, 0.2-0.3 phr dibenzoyl peroxide and tert-butyl perbenzoate and 0.1-0.2phr DMF. Then the resulting copolymers were expanded at 200-220℃ for 2-3h, subsequently treated at 160℃ for 5-6h, generating PMI foams with excellent mechanical properties and heat-resistance.

研究结果表明：将50份MAA、50份MAN、1~5份氧化镁、2~8份正丁醇、叔丁醇的混合物、0.2~0.3份过氧化二苯甲酰和过氧化苯甲酸叔丁酯和0.1~0.2份的甲酰胺，混合均匀后在40~60℃聚合为可发泡的MAA/MAN共聚物，该共聚物在200~220℃下发泡2~3h，在160℃下热处理5~6h，制得PMI泡沫塑料，其力学性能和耐热性能优异。

With benzoic acid, terephthalic acid, 2. 6naphthalene dicarboxylic acid, dimethyl-2, 6-naphthalene dicarboxylate as solutes, water, acetic acid, N, N-dimethylformamide, N, N-dimethylacemide, dimethyl sulphoxide, N-methl2-ketopyrolidine, and the mixture of water and acetic acid as solvents respectively, the solubilities of 15 binary systems and 4 ternary systems were determined.

实验以苯甲酸、对苯二甲酸、2，6-NDCA、2，6-萘二甲酸二甲酯为溶质，以水、醋酸、N，N-二甲基甲酰胺、N，N-二甲基乙酰胺、二甲基亚砜、N-甲基-2-吡咯烷酮以及水和醋酸的混合溶液为溶剂，测定了十五个二元物系和四个三元物系的溶解度数据。

They are insoluble in water, ethanol, methanol, acetone, chloroform and benzene, but soluble in DMA, DMF and DMSO.

它们溶于N，N-二甲基甲酰胺、N，N-二甲基乙酰胺和二甲基亚矾等溶剂，但不溶于水、乙醇、甲醇、丙酮、氯仿和苯。

A new organic compound:N,N'-bis(1,10-phenanthroline-2-formacyl)-4,4'-diamino-diphenylmethane was synthesized via oxidation,esterification,substitution,hydrolysis, amidation of 1,10-phenanthroline as the starting material with chemical reagents (hydrogen peroxide,benzoyl chloride,potassium cyanide,sodium hydroxide solution,4,4'-diamino-diphenylmethane).

以邻菲啰啉为起始原料，与双氧水反应合成邻菲啰啉-N-氧化物，接着与苯甲酰氯、氰化钾、NaOH水溶液一一反应合成中间体邻菲啰啉-2-甲酸，再与4，4′-二氨基苯基甲烷进行酰胺化反应合成目标产物。

Our method featured employing the glycosyl donor with Bz as the protectivegroups and 0.05 equiv of TMSOTf as the promoter.

即：用苯甲酰基保护的三氯乙酰亚胺酯作给体，用5％当量的TMSOTf作促进剂，在室温下反应5min至15min。

Our method featured employing the glycosyl donor with Bz as the protective groups and 0.05 equiv of TMSOTF as the promoter.

即：用苯甲酰基保护的三氯乙酰亚胺酯作给体，用 5%当量的 TMSOTf 作促进剂，在室温下反应 5 min 至 15 min。

I'm gonna go pack my regular, long bathing suit.

我要去打包我那不起眼的超长泳裤

Random number generators are used in many areas, with the improvement of the computational ability of the computer.

随着计算机计算能力的不断提高，随机数发生器在许多领域有了更加广泛的应用。