查询词典 acid salt

The nucleation effect of nucleating agent HC (mainly containing salt of high molecular carboxylic acid) on polyoxymethylene was studied, and the effects of the nucleating agent on the crystalline morphology, crystallizability and crystallization rate of POM were also studied by means of DSC, PLM and isothermal crystallization kinetics analysis.

研究了高摩尔质量羧酸盐类成核剂HC对聚甲醛的结晶成核作用，采用示差扫描量热分析、偏光显微镜观察及等温结晶动力学分析等方法研究了该类成核剂对POM结晶形态、结晶度、结晶速率等的影响，并考察了其力学性能。

The Tripolycyanamide salt(including melamine phosphate、melamine pyrophosphate and melamine cyanurate )is consisted of acid source and gas source and their fire retarding performance is high .

三聚氰胺盐（常见的有三聚氰胺磷酸盐、三聚氰胺氰尿酸盐）集酸源、气源于一体，具有很好的膨胀阻燃效能。

Objective To establish a high performance liquid chromatography method for determination of 7 kinds of antibiotics, dexamethasone phosphate disodium salt and salicylic acid in anti-acne cosmetics.

目的 建立祛痘除螨类化妆品中7种抗生素、1种糖皮质激素和水杨酸同时测定的高效液相色谱法。

The method established in the present paper is simple, precise, fast and suitable for determination of 7 kinds of antibiotics, dexamethasone phosphate disodium salt and salicylic acid in anti-acne cosmetics.

该法操作简便、准确、快速，能够检测祛痘除螨类化妆品中7种抗生素以及地塞米松磷酸钠和水杨酸的含量。

Its steps include these:(1) purification of WPA;(2) neutralization reaction between purified WPA and sodium carbonate for the salt mixture of disodium hydrogen phosphate and monometallic sodium orthophosphate;(3) adjustment of the mixture's neutralizing degree with additive acid or alkali;(4) quick separation of crystal with additive organic solvent under continue stir;(5) polymerization of crystal under the high temperature for the high quality product of STPP.

其步骤为：(1)湿法磷酸净化；(2)净化后的磷酸与碳酸钠中和反应生成磷酸一氢钠和磷酸二氢钠混合盐溶液；(3)用酸、碱调节确定该混合盐溶液的中和度；(4)加入有机溶剂，通过不断地搅拌使晶体快速析出；(5)晶体经高温聚合，生成高品质的三聚磷酸钠。

It's dim and littered with bags of washing and bleaching compound, drums of Hexlite catalyst, as harmless as salt if your hands are dry, murderous as battery acid if they're wet.

昏暗的过道上堆满了装有洗涤用化学物品、一桶桶的Hexlite催化剂，当你的手是干燥的时，这种催化剂和就象盐一样无害，但是，如果你的手是湿的，它们就象铅酸蓄电池一样危险。

A salt or ester of nitric acid .

硝酸形成的一种盐或酯。

A salt or ester of glutamic acid.

谷氨酸形成的一种盐或酯。

A salt or an ester of propionic acid .

高氯酸形成的一种盐。

Sodium salt of ethylenediamine tetraacetic acid and glycine）.

乙二胺四醋酸和甘氨酸的钠盐。

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。