卤烃

Master the Keto-Enol tautomerism; reactions of enols:α-H substitution reactions;α-halogenation of aldehydes and ketones;α-bromination of carboxylic acids; acidity ofα-H atoms: enolate ion formation; reactivity of enolate ions; alkylation of enolate ions; mechanism of carbonyl condensation reactions;condensations of aldehydes and ketones: the Aldol reaction; dehydration of Aldol products; the Claisen condensation reaction; the Michael addition.

熟练掌握酮式－烯醇式互变异构；烯醇的反应：α-H的活性；醛酮的α卤代反应；羧酸的α-溴代反应；α-H的酸性：烯醇负离子的形成；烯醇负离子的反应；烯醇负离子的烃基化；羰基化合物的缩合反应机理；醛酮的缩合反应－Aldol缩合；Aldol缩合产物的脱水反应； Cleisen 酯缩合反应；麦克尔加成反应。

And drinking tap water and boiled in the boiling process, can be further sterilization, disinfection, reducing the water hardness and reduction of volatile halogenated hydrocarbons and other substances, so when we are in daily drinking water should be careful not to drink unboiled water, and do not boil the water, but should drink plenty of cold water.

答：和饮用自来水和开水煮沸过程中，可以进一步杀菌，消毒，降低水的硬度和减少挥发性卤代烃和其他物质，所以当我们在日常饮水应小心，不要喝生水，不要煮沸的水，而应喝大量冷水。

In the reactor with 7.5% carrier filling factor, when the amount of material supplied is 3.2L/d,the capacity aerogenesis rate will be the maximum 1.21 L/L?

当用于水处理时，它不仅可以作为一种优良的吸附材料净化水中的多种分类化合物和卤代烃，而且具有优异的

The yield of biphenyl in a Triton X10 ME system was found higher than that in the biphase system. The reactivities in different ME were also studied.

结果表明，微乳体系中联苯收率高于两相体系；比较了在离子、非离子表面活性剂构成的不同微乳体系中的反应活性；研究了卤代芳烃在Tx10 ME中的甲酸钠、碱类型、Pd/C用量、温度等对反应的影响。

It may be used with halogenated hydrocarbon (r12, r22) if shell clavus oils g is not available.

在缺乏shell&奇伟士&g润滑油的情形下，shell&奇伟士&润滑油也可应用作卤代烃（r12，r22）为冷冻剂的制冷压缩机。

It can also be used when hydrocarbon (R600) is the refrigerant. It may be used with halogenated hydrocarbon (R12, R22) if Shell Clavus Oils G is not available.

在缺乏Shell&奇伟士&G润滑油的情形下，Shell&奇伟士&润滑油也可应用作卤代烃（R12，R22）为冷冻剂的制冷压缩机。

Anthraquinone is prepared by the liquid phase oxidation of anthracene with oxygen in the presence of cobaltous salt,manganous salt and bromide.

在液相中，钴盐、锰盐、溴化物催化氧气氧化蒽制取蒽醌，当压力为0.5～0.8 MPa，溶剂是芳香性卤代烃和丁酸的混合物（其中丁酸质量分数为15％～20％）时，蒽醌的产率可达90％，纯度99.2％。

Under normal temp., PVF2 has a fine corrosion resistance to many organic solvents like halogen, halogenated hydrocarbon, strong oxidant, boiling acid and alkali; UHMWPE has a fine corrosion resistance to inoxidable acid dilute sulfuric acid, nitric acid and large concentration hydrochloric acid, phosphorus acid, hydrofluoric acid, and salty solutions.

在常温下，PVF2对卤代烃、强氧化剂、沸酸、碱等多种有机溶剂都有良好耐蚀性；UHMWPE对非氧化性酸

Cross-Coupling Reaction of Organoboron with Arylhalide by Pd° Catalyzed;;Studies on Syntheses,Properties,Structures and Bioactivities of Hydrazones and Its Complexes

中文题名具有生物活性的酰腙及其配合物的研究；钯催化下硼试剂与卤代芳烃的偶联反应

Under ultrasonic radiation,four single substituted arylboronic acid were synthesized through the reaction of trisubstituted borate and halogenated hydrocarbon induced by iodine.

在超声条件下，以碘为催化剂，利用硼酸酯与卤代芳烃、金属镁粉合成了4种单取代芳基硼酸。

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。