查询词典 phosphorus oxychloride

"In step, a 300- gallon reaction vessel was charged with 300 kg of phosphorus oxychloride (6), cooled, and blanketed with nitrogen."

步骤，往300加仑的反应容器里加入300千克三氯氧化磷(6)，冷却，并覆以氮气。

The yearly productivity of the staple product phosphorus Oxychloride is 10,000 tons.

近期新上产品为磷酸三甲酯、磷酸三乙酯、无水乙醇，其中主要产品三氯氧磷年生产能力为10000吨。

"In step, a 300-gallon reaction vessel was charged with 300 kg of phosphorus oxychloride (6), cooled, and blanket ed with nitrogen."

步骤，往300加仑的反应容器里加入300千克三氯氧化磷(6)，冷却，并覆以氮气。

A study was carried out in the oxidation process for synthesizing phosphorus oxychloride in liquid jet loop reactor with the diameter of 149 mm.

在直径149 mm液体喷射环流反应器中对三氯氧磷合成的氧化过程进行了研究，与釜式反应器相比反应时间由40 h缩短至8 h，氧气消耗量为理论量并且无尾气排放，研究结果已经用于工业生产。

Study on the synthesis of the antistatic agents of didodecyl phosphate and its salts ——The synthesis and technology optimization of didodecyl phosphoryl chloride;2. The synthesis of didodecyl phosphate and its salts by the reaction of 1-dodecanol with phosphorus oxychloride was studied.

研究了以三氯氧磷与月桂醇为原料合成磷酸二月桂酯(C12-DAP)及其盐的工艺条件，考察了反应温度、反应时间和物料配比等因素对酯化反应与水解反应进程的影响，通过优化实验方法，选择了适宜的合成工艺条件。

It is studied the synthetic conditions of phosphoryl amic type P-N intumescent flame retardant from bisphenol A and phosphorus oxychloride and melamine. And the fire retardance of P-N intumescent flame retardant on poplar wood were studied by thermogravimetric analysis and burning test.

研究了以双酚A、三氯氧磷和三聚氰胺为原料合成磷酰胺类磷氮系膨胀型阻燃剂的反应条件，并用热重分析和灼烧实验方法初步研究了它对杨木粉的阻燃特性。

The ultraviolet absorbent 2,2′,4-trihydroxybenzophenone was prepared from resorcin ,salicylic acid and phosphorus oxychloride in solvent medium sulfolanc using zinc chloride anhydrous as catalyst.

以间苯二酚、邻羟基苯甲酸和三氯氧磷为原料，环丁砜为溶剂，无水氯化锌为催化剂，合成了紫外线吸收剂2，2′，4-三羟基二苯甲酮。

Adding methylbenzene into the reaction system as cosolvent ,this can lower the uste amount of DMF and the cost of production .when we chlorinate the Vilsimer reagent and phosphorus oxychloride to sucroste-6-ethal ester is one to ten ,the result of chloridization is the...

探索了氯化后不经三氯蔗糖单酯结晶提纯，直接制备三氯蔗糖的新方法，通过大孔树脂柱，得到了纯度大于95%的产品，终产率高于37%。

The synthetic process of dialkyl phosphate by reaction of long -chain alcohol with phosphorus oxychloride was studied. The influence of molar ratio of reactants, reaction temperature, reaction time on process of esterification and hydrolysis was investigated too.

研究了以三氯氧磷与正构偶数高碳醇为原料合成磷酸二长直链烷基酯(C10～16-DAP)的工艺条件，考察了物料配比、反应温度和反应时间等因素对酯化反应与水解反应进程的影响，通过正交实验方法，确定了优化的合成工艺条件。

Pyridazine was prepared by hydrogenolysis of 3,6-dichloro pyridazine obtained via chlorination of 3,6- pyridazine diol with phosphorus oxychloride.

以顺丁烯二酸酐与盐酸肼为原料经缩合成环反应生成顺丁烯二酰肼，再用三氯氧磷氯化合成3，6-二氯哒嗪，最后经催化加氢制得标题化合物哒嗪。

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。