二二二

We devote in the research, development, production and marketing of precious metal compound and related products with reliable quality, such as; potassium gold noncyanide, Rhodium sulphate, potassium tetrabroaurate, Chloroplatinic acid, gold chloride, Ammonium chloropalladate, Ammonium tetrachloropalladate, recycled and refined precious metals etc.

公司主要从事贵金属材料相关产品的研究、开发、生产和销售，主要产品有无氰金盐和其他贵金属化合物，包括：硫酸铑、溴金酸钾、氯铂酸、三氯化金、二氯化二氨络钯、二氯化四氨络钯等，并提供贵金属资源二次回收服务。

Three major anthocyanins of blood orange were isolated. HPLC-ESIIMS analysis results show that the anthocyanins of blood orange are mainly cyanidin-3-glucoside (35.2%) and cyaniding-3-(6"-malonyl) glucoside (42.9%). Furthermore, cyanidin-3-(3"-malonyl) glucoside, cyanidin 3-(6-dioxalyl) glucoside and cyanidin-3-glucoside adduct: 4-vinylcatechol were identified in blood orange.

HPLC-ESI/MS分析表明，血橙花色苷主要是为矢车菊素-3（3&-丙二酰）葡萄糖苷和矢车菊素-3（6&-二乙二酰）葡萄糖苷（组分1），矢车菊素-3-葡萄糖苷（组分2），矢车菊素-3（6-丙二酰）葡萄糖苷（组分3）及矢车菊素－3-葡萄糖苷加成物4-乙烯基儿茶酚（组分4）。

Cycloalkylation of diethyl malonate and ethyl cyanoacetate with alkyl halide was investigated in the presence of toluene.

以甲苯为溶剂及带水剂，用粉末K2CO3代替常规使用的乙醇钠，在季铵盐和聚乙二醇混合相转移催化剂的存在下，含有活泼氢的丙二酸二乙酯和氰乙酸乙酯与二卤代物进行缩合反应，得到相应的环化物。

Methods Diethyl phthalate and diethyl succinate were used for raw material to synthesize the Rubidate.

方法以邻苯二甲酸二乙酯和丁二酸二乙酯为原料合成茜草双酯。

A Raney nickel catalyst for hydrogenation of dodecyl dinitrile to dodecyl diamine was chosen on the basis of experiment.

通过试验，优选了十二碳二腈加氢制十二碳二胺用骨架镍催化剂。

The surface action mechanism of sodium polydithio dipropyl sulfonate in acidic Cu plating bath indicates that the surface complex produced by adsorbed sodium polydithio dipropyl sulfonate and Cu + resists copper ions' electrodeposition.

酸性镀铜溶液中表面活性剂聚二硫二丙烷磺酸钠的表面作用机理表现为：吸附态的聚二硫二丙烷磺酸钠与Cu＋形成表面络合物阻化铜离子的电沉积。

Both hexanitrohexaazatricyclododecanedione and hexanitrohexaazatricyclotetradecanedifuroxan are the typical representatives of fused ring-nitroamine. 4, l0-Dinitro-2, 6, 8, 12-tetraoxadiazatetrocyclo [5.5.0.0^(5.9). 0^(3.11)] dodecane is the typical representative of cage nitroamine.

六硝基六氮杂三环十二烷二酮和六硝基六氮杂三环十四烷并双氧化呋咱是稠环硝胺化合物中的典型代表；4， 10-二硝基－2， 6， 8， 12-四氧杂－4， 10-二氮杂异伍兹烷是笼形硝胺化合物中的典型代表。

RESULTS: All aromatic anesthetics inhibited I at a holding potential which produce half-maximal current V(1/2; inhibition was modest with 1,3,5-trifluorobenzene (8%+/- 2%), pentafluorobenzene (13%+/- 2%), and hexafluorobenzene (13%+/- 2%), but greater with benzene (37%+/- 2%), fluorobenzene (39%+/- 2%), 1,2-difluorobenzene (48%+/- 2%), 1,4-difluorobenzene (31 +/- 3%), and 1,2,4-trifluorobenzene (33%+/- 1%).

结果：在最高电流的一半的控制电压下所有芳香族麻醉药都阻断钠电流；均苯三酚（8%+/- 2%）、戊苯(13%+/- 2%)、戌苯(13%+/- 2%)的抑制是适度的比苯(37%+/- 2%)、氟苯(39%+/- 2%)，1.2-二氟二苯(48%+/- 2%)，1，4-二氟二苯(31 +/- 3%)，和1，2，4三氟苯(33%+/- 1%)明显。

Diethyl glutarate was synthesized using glutaric anhydride and ethanol, which were separated from dicarboxylic acid, as raw material, heteropoly acid as catalyst.

以从二羧酸中分离出的戊二酸酐和乙醇为原料，用杂多酸为催化剂，合成了戊二酸二乙酯。

The diisoamyl glutarate in catalysis of silicotungsticacid was preparated by esterification of isoamyl alcohol and glutaric anhydride seperated from dicarboxylic acid.

用硅钨杂多酸为催化剂，以从二羧酸中分离出的戊二酸酐和异戊醇为原料合成了戊二酸二异戊酯。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。