查询词典 phosphorus oxychloride

Objective: To establish a ion chromatography method for determination of phosphorus oxychloride in air of workplace.

目的：建立一种用离子色谱测定工作场所空气中的三氯氧磷的检测方法。

This method shows high sensitivity, good selectivity and low interference. It is a good method to determine phosphorus oxychloride in air of workplace.

本方法灵敏度高、选择性好、干扰少，是检测工作场所空气中三氯氧磷的好方法。

The most proper condition of synthesizing trihexyl phosphate ester with the method of phosphorus oxychloride has been discussed in this paper.

本文通过大量实验探讨了三氯氧磷法合成磷酸三己酯的最佳条件，使产率达到88.4%，正己醇的回收率达到80.0%。

A new flame retardant was synthesized with epichlorohydrin and phosphorus oxychloride and urea as raw materials.

采用环氧氯丙烷、三氯氧磷及尿素等为原料，合成了一种新型阻燃剂。

The main products are: phosphorous trichloride 300,000 tons / year, phosphorus oxychloride 100,000 tons / year, phosphorus pentachloride 50,000 tons / year, 10,000 tons trichloroisocyanuric parathion / year chloromethyl ether 5000 tons / year, triethyl phosphite 10,000 tons / year, triphenyl phosphite 5000 tons / year, three phosphoric acid ethyl butoxy 2000 tons / year.

主要产品有：三氯化磷30万吨/年、三氯氧磷10万吨/年、五氯化磷5万吨/年、三氯硫磷1万吨/年、氯甲基甲醚5000吨/年、磷酸三乙酯10000吨/年、磷酸三苯酯5000吨/年、磷酸三丁氧基乙酯2000吨/年。

Is a research and development, production, trade and service-based economy of foreign trade entities, chemical raw materials to the professional operation of the main company's existing production of AC blowing agent, ferric chloride, hydrated Hydrazine, p-nitrophenol, m-phenylenediamine, phosphorus trichloride, phosphorus oxychloride, 2,4 - diamino benzene sulfonate, sodium dichloro isocyanurate, N-methyl-o-phenylenediamine Second hydrochloride fine chemical products such as the ability, and are obtained ISO9001 international quality system certification.

济南华尔沃进出口贸易有限公司是一家集研发、生产、贸易、服务于一体的外贸型经济实体，以专业经营化工原料为主，公司现有生产AC发泡剂、三氯化铁、水合肼、对硝基苯酚、间苯二胺、三氯化磷、三氯氧磷、2，4—二氨基苯磺酸钠、二氯异氰脲酸钠、N-甲基邻苯二胺二盐酸盐等精细化工产品的能力，并且均以取得ISO9001国际质量体系认证。

Chloro-5,12-naphthacenequinone was synthesized from 2-(1-hydroxy-2-naphthyl)carbonylbenzoic acid by chlorination reaction using a mixture of phosphorus pentachloride and phosphorus oxychloride as a chlorating agent and then by ring-closing reaction using sulfuric acid as a dehydrating agent.

以2-[(1-羟基-2-萘基)羰基]苯甲酸为原料、五氯化磷/三氯氧磷为氯化剂进行氯化反应，然后用浓硫酸脱水环化，合成了6-氯-5，12-萘并萘醌，优化了反应条件，总收率达68.2%。

The phosphorus oxychloride or phosphorus tribromide N, N-dimethylformamide mix and react to form the Vilsmeier reagent used in the reaction. The newly prepared Vilsmeier reagent is added into the reaction bottle provided with the return condenser and the blender; a reaction raw material N, N-dimethylformamide solution expressed in the reaction formula is added into the system; the temperature is risen; the corresponding multi substituting pyridine-2 (1 H)-ketone compound can be made after the column chromatography of the silica gel; the production rate is between 60 and 95 percent according to different reactions.

由三氯氧磷或三溴化磷N，N-二甲基甲酰胺混合获得反应中所用Vilsmeier试剂；将新配制的Vilsmeier试剂加入装有回流冷凝管、搅拌器的反应瓶中，向体系中加入反应通式中表示的一种反应原料的N，N-二甲基甲酰胺溶液，升温，经硅胶柱层析分离得相应的多取代吡啶-2(1H)-酮类化合物，产率视不同反应在60~95％之间。

Many halides such as hydrocarbons and chlorinated four shuo, titanium tetrachloride, four completely miscible tin chloride, dissolved phosphorus trichloride, phosphorus oxychloride, arsenic and antimony trichloride.

上许多碳氢化合物和卤化物如四氯化碳、四氯化钛、四氯化锡完全互溶，还溶解三氯化磷、三氯氧磷、三氯化砷和三氯化锑。

Is located in Xuzhou City, Jiangsu Province, Wu Jiawang District, the territory of the Beijing-Shanghai Expressway, Xuzhou east exit to the east, that is 5 kilometers, the transportation is very convenient, covers an area of 130,000 square meters, there are a two decades the history of phosphorus chemical production of medium-sized enterprises, as a national phosphorus trichloride, phosphorus oxychloride, deputy head of industry collaboration group units in 2005 through the ISO9000, ISO14000, ISO18000 system certification, enterprise for many years been rated as "heavy contract , and keeping promises "enterprise, financial credit AAA level enterprise.

徐州市建平化工有限公司，位于江苏省徐州市贾汪区大吴镇境内，京沪高速公路徐州东出口向东5公里即到，交通十分便捷，占地十三万平方米，是一家有着二十年历史的中型磷化工生产企业，为全国三氯化磷、三氯氧磷行业协作组副组长单位，2005年通过ISO9000、ISO14000、ISO18000体系认证，企业连续多年被评为&重合同、守信用&企业，金融资信AAA级企业。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。