卤

This paper discusses the heat stableness of four halogenides by thermodynamic principle and the possibity to exist at usual temperature and pressure.

本文用热力学原理讨论了 Cu四种卤化物的热力学稳定性顺序以及它们在常温常压下存在的可能性。

WEEE and RoHS was put out in 2003. In order to meet that ,the encapsulation of IC must adopt the technology of lead free. So that Epoxy molding compound must be no stibium and no halogen, and high reliability under the condition of high temperature.

2003年WEEE、RoHS法规的颁布，对于IC封装过程而言，在回流焊过程中要避免使用铅焊接，对于塑封料而言则要无卤无锑阻燃，且要满足较高回流温度条件的耐焊性考核。

WEEE and RoHS was put out in 2003. In order to meet the requirment of the WEEE and RoHs ,the encapsulation of IC must adopt the technology of lead free. Epoxy molding compound should be no stibium and no halogen, and have high reliability under the condition of high temperature.

2003年WEEE、RoHS法规的颁布，对于IC封装过程而言，在回流焊过程中要避免使用铅焊接，对于塑封料而言则要无卤无锑阻燃，且要满足较高回流温度条件的耐焊性考核。

A varnish used for coverlay was prepared with special epoxy resin, carboxyl-terminated acrlonitrilebutadiene rubber and phosphorated flame retardant. To conform to the requirements of RoHS, the halogen-free flame-retarded coverlay does not contain Stibium, lead, mercury, cadmium and chromium Ⅵ.

摘 要：采用端羧基丁腈橡胶增韧改性特种环氧树脂体系，配合使用添加型磷系阻燃剂得到覆盖膜用胶液，以此制备的SF305C无卤阻燃型覆盖膜不含锑和铅、汞、镉、六价铬等有害重金属，满足欧盟RoHS指令要求。

The development trends in research on TTF derivatives containing halogen substituent are proposed.

提出了含卤素TTF衍生物的研究发展趋势。

The N-alkylation of N-monosubstituted sulfonamide s with alkyl halides promoted by KF using ionic liquids as reaction media was reported in this paper.

报道了KF作用下离子液体介质中N-单取代磺酰胺和卤代烃的N-烷基化反应，考察了4种不同结构的离子液体BF4、BF4和PF6对反应的影响。

Monochloroethylene carbonate is prepared by chlorination of ethylene carbonate with sulfuryl chioride ,a solution of monochloroethylene carbonate in ethylene carbonate is reacted with triethylamine to give vinylene carbonate.A parameter design method was applied to select the optimum synthesis conditions.63.3％ and 78％ yields superior to the conventional for monochloroethylene carbonate and vinylene carbonate were obtained respectively,and the process was also simplified .

以碳酸乙烯酯为原料，用磺酰氯作为氯化剂生成一氯代碳酸乙烯酯，三乙胺为脱卤化剂在碳酸乙烯酯溶剂中合成碳酸亚乙烯酯，对一氯代碳酸乙烯酯和碳酸亚乙烯酯制备的工艺参数进行优化，收率分别达到63.3％和78％，均超过了传统方法，且简化了工艺，缩短了反应时间，易于工业化生产。

Fresh lotus leaves a sweet-scented osmanthus halogen 10 grams sugar 150 grams, 1,500 grams of water.

鲜莲叶1张，桂花卤10克，白糖150克，清水1500克。

My company professional wholesale copper lights, searchlights, metal halide lamp, beans light bulbs, energy-saving lamps, T4, T5 stent, fluorescent plate, switch socket, Home lighting and commercial lighting.

我公司专业批发铜灯，射灯，金卤灯，豆胆灯，节能灯，T4，T5支架，日光灯盘，开关插座，家装照明以及商业照明灯等。

The acute toxicity of three kinds of typical chemicals to alga、cladoceza and swordtail fishwere studied, and safety assessment was also made.

采用水体中3个营养级别的水生生物测试卤代酚类、硝基苯类、烷基苯类典型有毒有害化学品对水生生物的急性毒性，同时对上述物质对水生生物的安全性进行初步评估，并预测了上述物质对水生生物的环境安全浓度。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。