查询词典 phosphorus chloride

Technological process and efficiency of the fertilizer potassium metaphosphate from phosphorus, phosphoric acid or phosphate fertilizer and potassium chloride were introduced.

介绍用元素磷和氯化钾生产偏磷酸钾肥料的工艺及产品肥效。

The anhydride groups and acid chloride groups are preferably derived from carboxylic acid groups or oxyacid groups of sulphur and phosphorus.

该酸酐团体和酰氯团体最好来自羧酸群体或含氧酸硫和磷集团。

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。

Milk minerals calcium, phosphorus, sodium, potassium and chloride levels than three times that produce more milk.

牛奶矿物质钙，磷，钠，钾，氯水平的3倍，生产更多的牛奶。

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。

The oleoyl chloride was prepared by the reaction of phosphorus trichloride and oleic acid.

通过油酸和三氯化磷反应制备了油酰氯，再用油酰氯与谷氨酸单钠盐反应制备了目标产物油酰-L-谷氨酸。

The sensitivity rate of different biochemical assays for diagnosis of primary hyper-parathyroidism were: 100% in serum total, free calcium and osteocalcin level, PTH MM (96.4%), intact PTH (92.9%), Chloride/phosphorus ratio (89.3%), nephrogenous cyclic AMP (42.9%), 24h urinary calcium excretion (42.9%), calcitonin (21.4%), phos-phorus (17.9%), C terminal PTH (14.3%) and plasma cyclic AMP (0%).

在不同测量副甲状腺功能之生化检查当中，以血清总钙量、血清游离钙和Osteocalcin之敏感度100％最高，其次依序为PTH MM 96.4％，In-tact PTH 92.9％，24小时尿钙排泄量42.9％，抑钙素21.4％，血清磷17.9％，C-teminal PTH 14.3％，plasma cyclic AMP 0％。

Azobis-4-cyanopentanoyl chloride was prepared by reaction of 4,4'-azobis-4-cyanopentanoic acid and phosphorus pentachloride.

采用4，4'-偶氮二（4-氰基戊酸）与五氯化磷反应制备了4，4'-偶氮二（4-氰基戊酰氯）。

Cycloserine was produced using L-serine methyl ester hydrochloride as raw material. L-serine methyl ester hydrochloride was chloridized with phosphorus pentachloride to afford 2-amino-3-chloride propanic acid methyl ester hydrochloride, which was cyclized with hydroxylamine in the presence of alkali to give cycloserine.

以L-丝氨酸甲酯盐酸盐为原料制备了环丝氨酸。L-丝氨酸甲酯盐酸盐和五氯化磷在氯仿溶剂中进行氯代反应生成2-氨基-3-氯丙氨酸甲酯盐酸盐，后者和羟胺在碱性溶液中发生环合反应得到环丝氨酸。

A phosphorus-containing triazine oligomer was synthesized from triethyl phosphite, cyanuric chloride ,pentaerythritol and morpholine through three steps.

以亚磷酸三乙酯、三聚氰氯、季戊四醇和吗啉为原料，经3步反应合成了含磷三嗪环低聚物，考察了反应条件对中间体及产物收率的影响，对中间体及产物的结构和热性能进行了表征。

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。