查询词典 acid salt

Trisodium salt of N,N,N'-ethylenediamine triacetic acid was prepared by hydrolyzing 2-oxo-1, 4-piperazine diacetic acid(3-KP) in the strong base solution. Then it was combined with lauroyl chloride, hexadecanoyl chloride and benzoyl chloride respectively. N-lauroyl-ED3A and N-hexadecanoyl-ED3A were prepared in succsess. The molecular structure of N-lauroyl-ED3A was characterized by ~1HNMR and ~(13)CNMR. The molecular structure of N-hexadecanoyl-ED3A was characterized by 1HNMR.

将3-KP 在强碱性条件下水解，生成ED3ANa3 的水溶液，然后分别与月桂酰氯、棕榈酰氯和苯甲酰氯反应，成功制得N—月桂酰基ED3A 和N—棕榈酰基ED3A，并用~1HNMR 和~(13)CNMR 对N—月桂酰基ED3A 的分子结构进行了表征，用1HNMR 对N—棕榈酰基ED3A 的分子结构进行了表征。

Using 2-bromo-ethanesulfonic acid sodium salt ,α,ω- binary primary amine and dodecanoic acid as the main raw materials, drawing support from two-step synthesis of experiments—Alkylated reaction and Schotten-Baumann acylation, A series of LAS(12-s-12) gemini surfactants were synthesized.

并以2-溴乙基磺酸钠、α，ω-二元伯胺、月桂酸等为主要原料，借助胺基的烷基化和Schotten-Baumann酰基化反应制备了α，ω-烷撑-双钠盐LAS(12-s-12)表面活性剂，联结基团为亚甲基—(CH2)s—(S=2，4，6，8，12)，取得以下进展

In order to improve its solubility and conductivity, the chemical oxidation method was used to prepare emeraldine salt type conductive polyaniline co-doped with nitric acid (HNO3) and dodecylbenzene sulfonic acid.

本研究使用化学氧化聚合法，以硝酸与十二烷基苯磺酸共掺杂制备导电性聚苯胺，采用共掺杂的方法不但可改善聚苯胺难溶的特性，更可兼顾聚苯胺之导电性。

2The chemical oxidization method was used to prepare emeraldine salt type conductive polyaniline co-doped with hydrochloric acid and dodecylbenzene sulfonic acid (PANI－HCl－DBSA) by interfacial polymerization which employ immiscible interface formed via the water and organic solvent.

2采用化学氧化合成法，以界面聚合方式，利用水与有机溶剂所形成的不相容界面，直接制备以盐酸和十二烷基苯磺酸共掺杂ES型导电性聚苯胺(PANI－HCl－DBSA)，藉由加入适量之DBSA，达到聚苯胺可完全溶解分散於有机溶剂中的目的。

Effects of the amount of fumaric acid, temperature and reaction time on the reaction were investigated. Fumaropimaric acid was purified by potassium-salt method.

分别考察了富马酸加入量、反应温度及反应时间时富马松香制备的影响，并使用钾盐法对制备的富马松香进行纯化得到富马海松酸。

Calcining seed of rutile titanium dioxide was prepared at low temperature using metatitanic acid as raw material through alkaline hydrolysis, hydrolysis reaction, first washing, neutralization reaction, second washing and acid dissolution. These kinds of seed were added in the salt treatment, and the influences of calcining seed and calcination temperatures on the content of rutile TiO2 pigment were examined systemically.

以偏钛酸为原料，经碱解反应、水解反应、一次洗涤、中和反应、二次洗涤、酸溶反应，低温下制备了高活性金红石型TiO2锻烧晶种，并将其用于盐处理过程，考察了晶种添加量和锻烧温度对TiO2晶型转化的影响。

The myristic-2-hydroxy-3-propane sulfonic acid sodium salt was synthesized from sodium bisulfite, epichlorohydrin, sodium phosphate and myristic acid. The influence factors of temperature, amount of catalyst, reaction time and reactant ratio on conversion were studied.

以亚硫酸氢钠、环氧氯丙烷、磷酸钠和肉豆蒄酸等为原料，合成了肉豆蒄酸－2-羟基－3-磺酸钠丙酯，探索了反应温度、催化剂、反应时间、反应物物质的量比等因素对合成的影响。

An insoluble calcium salt of stearic acid and palmitic acid; it is formed when soap is mixed with water that contains calcium ions and is the scum produced in regions of hard water.

硬脂酸和棕榈酸的不溶的钙盐，在肥皂与含有钙离子的水混合时形成，是硬水地区产生的浮渣。

Characteristics of bulk and silica supported copper salt of 12-phosphomolybdic acid were investigated using TG-DTA, FT-IR, XRD, and BET surface area measurement techniques and compared with the results obtained with 12- phosphomolybdic acid.

采用TG-DTA、 FT-IR、 XRD、 BET比表面积等方法，研究了体相及SiO2负载磷钼杂多酸铜盐的性质，并与磷钼酸作了对比。

The technical characteristic,function mechanics and produce techniques of naphtha-lene sulfate salt series superplasticizer,the high performance water-reducing agent such as sulfamic acid series and polycarboxylic acid se-ries,and the multiple superplasticizers are discussed.

对国内外仍广泛应用的萘系高效减水剂，氨基磺酸盐系、聚羧酸系等新型高性能减水剂以及复合型高效减水剂的主要特性、作用原理和合成或生产工艺进行了介绍。

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。