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苯乙烯

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This year the company operating the various organic chemical raw materials, varieties are: methanol, ethanol, ethylene glycol, butanol, isobutanol, isopropanol, glacial acetic acid, vinyl acetate, B lipid, Ding acetic acid lipid, styrene, toluene, phthalic anhydride, xylene, acetone, butanone, cyclohexanone, DMF, sulphuric acid, methyl isobutyl ketone, glycol Dingmi, three toluene, 2 Xin fat, melamine.

本公司常年经营各种有机化工原料,品种有:甲醇、乙醇、乙二醇、正丁醇、异丁醇、异丙醇、冰醋酸、醋酸乙烯、醋酸乙脂、醋酸丁脂、苯乙烯、甲苯、苯酐、二甲苯、丙酮、丁酮、环己酮、DMF、硫酸、甲基异丁基酮、乙二醇丁醚、三甲苯、二辛脂、三聚氰胺。

The company operating a variety of perennial organic chemical raw materials, varieties include: methanol, ethanol, ethylene glycol, n-butyl alcohol, isobutyl alcohol, isopropyl alcohol, acetic acid, vinyl acetate, acetic acid acetate, acetic acid Ding resin, styrene, toluene , phthalic anhydride, xylene, acetone, butanone, cyclohexanone, DMF, sulfuric acid, methyl isobutyl ketone, glycol ether, mesitylene, octyl resin, melamine.

本公司常年经营各种有机化工原料,品种有:甲醇、乙醇、乙二醇、正丁醇、异丁醇、异丙醇、冰醋酸、醋酸乙烯、醋酸乙脂、醋酸丁脂、苯乙烯、甲苯、苯酐、二甲苯、丙酮、丁酮、环己酮、DMF、硫酸、甲基异丁基酮、乙二醇丁醚、三甲苯、二辛脂、三聚氰胺。

Administrative control: Carries on the appraisal to the entire factory clean water used, the control uses the water volume The formulation procedure guarantees the clean water used at will not to discharge The factory will have the latent risk after the appraisal the source of pollution to divide into two parts, after because the factory all cleans waste water content will have the harm matter all will be same:Methyl ethyl ketone, peroxidation armor second grade alkone, styrene, MMA, therefore will possess the washes with pool and washes the eye to treat as a source of pollution, and the suggestion will make the improvement with the identical plan.

行政控制:对全厂清洁用水进行评估,控制用水量。制定程序以确保清洁用水不被随意排放。工厂通过评估后将有潜在风险的污染源分为两个部分,因为工厂所有的清洗后的废水内含有的危害物质都是一样的:丁酮、过氧化甲乙酮、苯乙烯、MMA,所以将所有清洗池和洗眼器当作一个污染源,并建议用同一个方案去进行改进。

Styrene and methacrylate super absorbent oil resin ; tar ; nicotine ; polynuclear aromatics compound

苯乙烯-甲基丙烯酸酯吸油性树脂;焦油;烟碱;稠环芳烃

With styrene maleic anhydride copolymer as the protective colloid,the mechanism of the emulsification and micro-encapsulation in the in situ polymerization of melamine formaldehyde resin microcapsules was studied.

苯乙烯马来酸酐的共聚物树脂作为保护胶体,研究了其对原位聚合法形成蜜胺甲醛树脂微胶囊的乳化和成囊的作用机理。

A new styrene acrylic emulsion as surface sizing agent were synthesized by emulsion polymerisation, the effect of synthetic technique on properties of copolymers were discussed, and industrial experiment and application were completed.

本工作利用乳液聚合工艺研制开发了一种新型苯乙烯-丙烯酸酯类造纸表面施胶剂,探讨了乳液聚合的工艺条件对产品性能的影响,并完成了产品的中试和工业应用。

In this work,activated carbon fiberswere respectively modified using different concentration ammonia aqueous solution,and the textural pvoperties and the surface oxygen content as well as the surface acidities of the modified ACFs studied were determined by nitrogen adsorption,elemental analysis and Boehm titration methods.

主要研究采用氨水对活性炭纤维ACF表面进行改性,制备了3种不同的改性ACF,测定ACF孔结构和表面酸碱基团,并测定了苯乙烯在改性ACF床层的吸附透过曲线,讨论了改性ACF的孔结构和表面酸碱基团对其吸附性能的影响。

With a large number 2 - naph-5 thyl amine of styrene effective solution of ammonia to 88% of the yield (recorded 6 points).

带有大量2-naph-5 thyl amine氧化苯乙烯进行有效的氨解达到88 %的收率(分录6)。

A conversion of 68% and an e.e. of 99% of epoxide were obtained when α-methylstyrene was oxidized by NaClO for 24 h at 0 ℃ in the presence of 4-PPNO.

在NaClO/PPNO氧化剂体系中0℃反应24h,α-甲基苯乙烯环氧化反应的转化率达68%,对映选择性e.e。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。