硫酸

On the basis of describing the patent technology of using titanium white waste acid to produce industrial grade magnesium sulfate, the market prospect of magnesium sulfate was analyzed.

在简述钛白废酸生产工业级硫酸镁专利技术的基础上，对硫酸镁的市场进行了分析，说明此专利技术既可解决钛白粉厂的环保问题，又有良好的经济效益。

Different doses (25,50 and 100 mg/L)of gentamicin were add to the medium of SGC,and cultured for 14 days.After that,the specimen was fixed with 4%paraformaldehyde and stained with toluidine blue.

为观察硫酸庆大霉素对培养的小鼠耳蜗螺旋神经节细胞的细胞生存数和细胞突起长度的影响，在单离培养的出生1-5 d的NIH小鼠SGC培养液中，加入不同浓度的硫酸庆大霉素(25，50，100 mg/L)。

Receptor agonist ; SA4503{1?[2?（3; 4?dimethoxyphenyl）ethyl]?4?（3?phenylpropyl）piperazine}; DTG[3?di（2?tolyl）guanidine]; DHEAS ; PREGS ; learning ; memory

σ受体激动剂； 1-[2-（3； 4-二甲氧基苯基）乙基]-4-（3-苯丙基）哌嗪（SA4503）； 1； 3-二（2-甲苯基胍）；脱氢雄表酮硫酸酯；孕烯醇酮硫酸酯；学习记忆

Calcium sulfate whisker and magnesium sulfate whisker as reinforcer,SBS as toughener,ABS as resin matrix were used for manufacturing modified ABS composite by melt mixing and extrusion.

以硫酸钙晶须、硫酸镁晶须为增强改性剂，高胶粉为增韧改性剂，ABS为主体材料，通过采用熔融混合挤出制得改性ABS复合材料。

Iron trichloride or aluminium sulfate was used as a precipitating agent to precipitate sodium humic acid .

用三氯化铁或硫酸铝作沉淀剂，沉淀腐植酸钠，实验发现当腐植酸钠与三氯化铁或硫酸铝的质量比分别为 1∶ 0 。6 4和 1∶ 0 。6 0时，沉淀效果最好。

The system of vitriol is very complex and there is no a appropriate mathematical model to veraciously describe the Gas Liquid Equilibrium so far .

硫酸体系非常复杂，到目前为止仍然没有合适的数学模型能够准确描述硫酸体系的气液相平衡。

ABSTRACT In the process of rare earth production, large amount of sulfuric acid, hydrochloric acid and ammonia are consumed, However, there are large amount of sulfuric acid, hydrochloric acid or ammoniacal nitrogen in solutions or discharged waste water which need to be treated.

稀土冶炼过程中，一方面大量使用硫酸、盐酸及氨等化工原料，另一方面，在生产过程的某些中间环节或排放的废水当中，又含有大量的硫酸、盐酸或氨氮化合物需要处理。

Results of test showed that DFA-PEG polyester and its derivant had excellentemulsification performance, and emulsion was exquisite and steady, the surfacetension and critical micelle concentration of DFA-PEG polyester and sulfatedDFA-PEG polyester were very low, DFA-PEG polyester terminated with rosin acid hadcertain antifoaming performance, but surface tension and CMC increase to extent.

性能测试表明，DFA-PEG聚酯及其两种衍生物均具有优良的乳化性能，乳液细腻且稳定；DFA-PEG聚酯及其硫酸酯盐水溶液的表面张力和临界胶束浓度较低：DFA-PEG聚酯松香酸酯还具有一定的抑泡性能，与DFA-PEG聚酯及其硫酸酯盐比，其水溶液表面张力和临界胶束浓度有所增加。

Learn three important sulphonation processes, the emphases are the method of excessive sulfuric acid sulphonation and the azeotropy dewater sulphonation.

了解三种重要的磺化生产工艺，重点介绍硫酸作磺化试剂的过量硫酸磺化法和共沸去水磺化法的工艺。

Benzothiophene was selected as model sulfide and dissolved in n-octane to form model diesel, hydrogen peroxide/formic acid/sulfuric acid were used as the oxidative system.

在苯并噻吩／正辛烷配成的模拟柴油中，以过氧化氢／甲酸／硫酸作氧化脱硫体系，考察了硫酸的催化性能以及反应条件对氧化脱硫率的影响。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。