1、

Application: Mainly used as awaterials in producing ead glass for electronics industry.

用途: 主要用于电子工业中生产含铅玻璃的原料.

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2、

D, L-lactide was prepared L-lactic acid with zinc acetate as catalyst, crude yield was 86.

以D, L - 乳酸为原料,在催化剂乙酸锌存在下,通过脱水环化, 制备出粗产率为86.

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3、

Carbon nanotubes ( CNTs ) were prepared from acetylene at 923 K with Ni as catalysts by chemical vapor deposition ( CVD ).

以乙炔为原料气,采用Ni粉为催化剂,在923K下,由化学气相沉积法 ( CVD ) 制得了碳纳米管.

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4、

Two new synthetic methods of DCP using hydrogen peroxide as raw material was introduced in detail.

详细介绍了以过氧化氢为主要原料的DCP合成新方法.

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5、

A new leather fatliquor product was synthesized by amidation, esterification and neutralization of cotton oil.

以棉油为基本原料,经酰胺化、酯化、中和,合成出一种新的皮革加脂剂产品。

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6、

NH 4 NO 3 used to be the main raw material for producing nitrate-compound fertilizer.

硝酸铵是硝基复合(混)肥生产的主要原料.

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7、

The development of new petroleum wax hydrofining catalyst-FV-10 commercial experiments on various feedstocks are described.

介绍了新型石油蜡类加氢精制催化剂FV-10的研制、工业放大及原料适应性研究.

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8、

An interesting result is that all the thiosemicarbazone complexes are diamagnetic cobaltic ( Co(ⅲ), d6) complexes, no matter the original salts are all cobaltous salts.

有趣的结果是,尽管原料都是二价钴盐,得到的却都是抗磁性的三价钴配合物。

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9、

Development progress on pyrolysis with Refinery' C4 Hydrocarbon as raw materials for Increasing ethylene

炼厂碳四作为乙烯裂解原料的开发现状

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10、

Nanometer CeO_2 powders were prepared by means of microwave radiation using cerous nitrate and ammonium hydrogen carbonate.

以硝酸铈为原料,碳酸氢铵为沉淀剂,用微波加热的方法制备了纳米CeO2超细粉体。

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11、

Moulds made of natural graphite powder have been studied. Using fly ash as the main material along with a proper quantity of clay and admixture, the experiment is conducted to produce Lytag through sintering the mixture.

采用天然石墨粉无粘结剂冷压成型方法制作的模具有一定的机械强度,可应用于粉末冶金工艺。本实验以粉煤灰为主要原料,适量添加粘土及外加剂,用烧结法制备粉煤灰陶粒。

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12、

Package Description: According to customer request PackageRaw materials: electric galvanized iron wire, hot-dipped galvanized wire and black wire.

包装说明:按客户要求进行包装所需原料:电镀锌铁丝、热镀锌铁丝和黑铁丝。

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13、

The team of researchers, led by Fuhua Yang at Wuhan University, China, modified hepatitis delta to carry'molecular scissors'that cut into the genetic material of hepatitis B.

中国研究小组的首席科学家是武汉大学的Fuhua Yang,他们把delta型肝炎病毒改造成一个“分子剪刀”,可以截断乙肝病毒的复制原料。

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14、

A green method for ceric hydroxide synthesis with cerium carbonate and hydrogen peroxide as main raw materials is reported, and two products, ceric hydroxide and sodium acetate, are obtained.

研究了氢氧化铈合成的绿色方法.以碳酸铈和醋酸为主要原料,最后获得氢氧化铈和醋酸钠。

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15、

The synthesis of butyl acetate with acetic acid and butanol as reactants and ammonium ceric sulfate as catalyst was studied. Through experiment, the influencing factors of reaction were investigated. The results showed that the esterification rate is over 93.4%.

研究了以硫酸铈铵为催化剂,乙酸和正丁醇为原料合成乙酸正丁酯,通过试验确定了最佳合成条件,结果表明,在适宜条件下其酯化率可达93.4%。

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16、

The process is discussed to prepare cetane number LH& 91 type improver of diesel fuel, and the affection of raw material ratio, reaction temperature to the product purity and yield is inspected.

本文讨论了研制和生产LH&91型柴油十六烷值改进剂的工艺条件。考查了原料配比、反应温度对产物纯度及收率的影响。

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17、

Development of new production routes for petro-chemicals from heavy oil; Automobile Chemicals

发展重油为原料的石油化工新路线;汽车配套用主要化工产品

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18、

Cetyl phthalate was prepared from phthalic anhydride and cetyl alcohol as raw materials catalyzed by non-acid catalyst.

以苯酐与十六醇为原料,选用非酸催化剂,在实验室合成了增塑剂邻苯二甲酸双十六烷基酯。

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19、

N-hydroxyethylpyrrolidone ( NHP ) was synthesized from � �-butyrolactone and ethanolamine on Y molecular sieve catalyst by two steps.

以改性Y分子筛为催化剂,γ-丁内酯和乙醇胺为原料,采用γ - 丁内酯法两步合成N - 羟乙基吡咯烷酮 ( NHP ).

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20、

Butyl methacrylate was synthesized from methacrylic acid and n-butyl alcohol with esterification reactions by the catalytic activey of cerous nitrate.

以甲基丙烯酸和正丁醇为原料,硝酸亚铈为催化剂,合成了甲基丙烯酸丁酯。

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