卤

On the basis of the above-stated examination and their comparison with digital still cameras, it has been predicted that the production of silver halide photographic materials will be slowly expanded in the world in future.

可以肯定，感光材料的性能提高尚有很大的余地。依据上述的考察及其与静态数字照相的比较，可预测未来世界的卤化银感光材料生产的发展会趋缓。

Most of the vibrational modes and frequency of p-halogenated acetophenone are similar.

3对-卤代苯乙酮大部分振动模的描述以及拉曼位移量相似。

In order to solve the problem, CaO and MgO are added to the chlorides to reduce the acidness.

因此，本文采用试验方法在卤化物中添加CaO和MgO后测定其吸湿、保水和中和酸性效果等，以便拓宽其应用领域。

Four extracting agents for Lanthanides/Actinides separation , dialkyldithiophosphinic acids, were synthesized from PSCl3 and alkyl halide by Grignard reaction, sulfuration and acidification.

以PSCl3和卤代烷为原料，经格氏反应、硫化和酸化合成了用于镧/锕分离的4个萃取剂——二烷基二硫代次膦酸，其结构经NMR，IR和MS表征。

The catalysts used are inorganic acids, organic acids and its acyl halides, etc.

所用催化剂为常用的无机酸、常用的有机酸及其酰卤等。

A small number of carbon atoms to have irritating liquid acyl halides , compared with number of carbon atoms and more solid.

碳原子数目少的酰卤为有刺激性液体，碳原子数目多的则为固体。

This is clear fused quartz glass tube available as continuous machine drawn and automatic controlled tubing .this glass has the typical characteriastics of high purity ,good spectral transmission,weellcontrolled dimension and lower OH and so on .it serves as the first choice of heat resistant material for halogen lamps ,mercury lamps ,metal halide lamps and other quartz lamps .this glass can be supplied in the range of 3-80mm outside diameter,0.6-2.0mm wall thickness and 1200-1500mm length.

采用先进的连熔法生产技术，结合有效的自动控制系统生产出的透明石英玻璃管，具有纯度高，透射性强，尺寸控制严格，羟基含量低等特点，是卤素灯、汞灯、金卤灯和其他石英灯的首选抗高温材料，本公司生产的主要尺寸为外径3-80mm，壁厚0.6-5.0mm，长度1200-1500mm。

This is clear fused quartz glass tube available as continuous machine drawn and automatic controlled tubing. This glass has the typical characteriastics of high purity, good spectral transmission, well controlled dimension and lower OH and so on. It serves as the first choice for heat resistant materials for halogen lamps, mercury lamps, metal halide lamps and other quartz lamps. This glass can be supplied in the range of 3-80mm outside diameter, 0.6-2.0mm wall thickness and 1200-1500mm length.

采用先进的连熔法生产技术，结合有效的自动控制系统生产出的透明石英玻璃管，具有纯度高、透射性强、尺寸控制严格，羟基含量低等特点，是卤素灯、汞灯、金卤灯和其他石英灯的首选抗高温材料，本公司生产的主要尺寸为外径3-80mm，壁厚0.6-2.0mm，长度1200-1500mm。

Halogen radicals produced by the reaction of hydroxyl radicals with halides, such as HX, may serve as terminators for the chain reaction.

卤素自由基是由羟基自由基与卤化物如HX反应而产生的，它可被用作连锁反应的终止剂。

Halogen, proton acids, sub-halogen acid are electrophilic reagents, olefin addition reaction is the electrophilic addition reaction .

卤素、质子酸，次卤酸等都是亲电试剂，烯烃的加成反应是亲电加成反应。

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