查询词典 phosphorus oxychloride

Company and the Chinese Academy of Sciences Institute of Chemistry, Nanjing University of Technology Institute of Chemical Technology has a good technical cooperation, product quality can meet the needs of different customer requirements, in particular, high content, low-arsenic, low lead, low-iron phosphorus trichloride, oxychloride P-selling more than a dozen provinces and cities nationwide, autonomous regions and exported to Europe, Southeast Asia and Taiwan, production and sales and market share in the same industry in the country ranked the top three, Jianping people adhere to the "credibility first, customer first, service first" operating purposes, warmly welcome customers at home and abroad to discuss cooperation with our company.

公司与中科院化学研究所、南京工业大学化工学院有着良好的技术合作，产品质量能满足不同客户的要求，尤其高含量、低砷、低铅、低铁的三氯化磷、三氯氧磷畅销全国十几个省市、自治区及出口到欧洲、东南亚和台湾地区，产销量和市场占有率在全国同行业中居前三甲，建平人恪守"信誉第一、顾客至上、服务至上"的经营宗旨，热忱欢迎国内外客户与我公司洽谈合作。

Company and the Chinese Academy of Sciences Institute of Chemistry, Nanjing University of Technology Institute of Chemical Technology has a good technical cooperation, product quality can meet the needs of different customer requirements, in particular, high content, low-arsenic, low lead, low-iron phosphorus trichloride, oxychloride P-selling more than a dozen provinces and cities nationwide, autonomous regions and exported to Europe, Southeast Asia and Taiwan, production and sales and market share in the same industry in the country ranked the top three, Jianping people adhere to the "credibility first, customer first, service first" operating purposes, warmly welcome customers at home and abroad to discuss cooperation with our company.

公司与中科院化学研究所、南京工业大学化工学院有着良好的技术合作，产品质量能满足不同客户的要求，尤其高含量、低砷、低铅、低铁的三氯化磷、三氯氧磷畅销全国十几个省市、自治区及出口到欧洲、东南亚和台湾地区，产销量和市场占有率在全国同行业中居前三甲，建平人恪守&信誉第一、顾客至上、服务至上&的经营宗旨，热忱欢迎国内外客户与我公司洽谈合作。

Three methods for the preparation of 1,2,4-trizolone~5 are provided. 22 compounds are prepared. 3, 4-disubstituted 1,2,4-trizolone-5 is prepared by reacting amide with ethyl hydrazine-fornate at 110癈 for 3h in the presence of phosphorus oxychloride, following neutralization and cyclization reaction, giving to 74.5 % yields,which is 30% more than the literature value.

以三氯氧磷为缩合剂，使酰胺和肼基甲酸乙酯在110℃反应3h，经碱中和、环化反应，合成3，4-二取代-1，2，4-三唑酮-5，两步反应总产率达74.5％，与文献报道值相比，高出了30％以上，在三唑酮类衍生物的合成方法中具有很大的突破性。

Methods: In this report, the phosphorus oxychloride in the air of workplace site was collected by absorb liquid and turn into hydrochloric acid, then separated in column and detected with conductivity detector, qualified by elution time and quantified by peak height or peak area.

本文采用吸收液采集工作场所空气中的三氯氧磷，生成盐酸，经色谱柱分离，电导检测器检测，保留时间定性，峰高或峰面积定量。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。