硫酸

In this paper, polyironaluminum Sulfate as a new type of inorganic high polymer coagulant is introcluced for waste water treatment.

王九思，聚合硫酸铁铝对废水处理研究介绍了新型无机高分子絮凝剂聚合硫酸铁铝［1］在废水处理中的应用。

At this point, you should repair or replace the printer paper sulfate to renew a sulfuric acid paper after.

这时，答修理打印机或变换硫酸纸后轻不收硫酸纸。

The industrial magnesia and vitriol are used to produce magnesium sulfate in this paper, and the simulated wastewater is prepared using magnesium sulfate and kaolin. The flocculating effect of polyacrylamide, cationic polyacrylamide and anionic polyacrylamide is studied and compared through measurement of absorbency by spectrophotometer.

利用工业氧化镁和硫酸制备一定浓度的硫酸镁，结合高岭土配制氧化镁烟气脱硫的模拟废水，通过分光光度计吸光度测定了聚丙烯酰胺、阳离子型聚丙烯酰胺和阴离子型聚丙烯酰胺在模拟废水中的絮凝效果。

The experiment mainly studied the choice of bauxite, the process of acid digestion and the sedimentation of acid digestion liquor and the way to Eliminated the iron from liquid aluminium Sulfate. The paper introduced the complexion of different bauxite in acid digestion. The influence of the concentration of acid, the proportion of acid to bauxite, the temperature. the pressure and the time of the rate of acid digestion were studied. The condition of the flocculation was also studied.

文中主要对铝土矿的选择、铝土矿的酸解过程、铝土矿酸解液的沉降、液体硫酸铝的除铁等主要生产工艺进行了详细的实验和讨论，论述了不同产地、品位的铝土矿对于酸溶法的适应情况；详细研究了酸的浓度、酸矿比、酸解温度、压力、时间对于铝土矿酸解率的影响，讨论了絮凝剂在铝土矿酸解体系中的使用效果；确定了经济有效的硫酸铝的除铁方法。

The laboratory research and chinical trials to prove.courage lcecontains active material that it can quickly penetrate through body's cell.so to directly provides for the cell,fill the skin intercellular space the crevice which is senile withered because of the cell stays benind supply the active elements necessary for the body cells metabolism,to activate the function of endothelium cells of blood vessels,promote the blood vessels balance, compose and secrete various blood vessels active elements,contains abundantsulfuric cartilage element,sulfuric amido etc.,all of fatty acid in human body.and it can accelerete the re-generation of blood cells,add the quantity of the hemoglobin and red blood corpuscle so to improve the blood parameter,and fundamentally improve the body cells metabolism and nutrition supply for all the organs,as a result,you will thoroughly refresh yourself and bloom vitality of youth.

实验室研究和临床试验证明，LCE所含活性物质能够迅速穿透人体细胞，直接为细胞供养，填补肌肤细胞间因细胞衰老干瘪而留下的空隙全面补充人体细胞新陈代谢所必须的活性物质，激活血管内皮细胞功能，促进血管平衡，合成和分泌多种血管活性物质：富含的硫酸软骨素、硫酸氨基葡萄糖等能改善和调节人体脂代谢，有效清除体内血液中多余的脂质和脂蛋白清除在血管壁内膜沉积的脂类物质，保持人体脂肪酸均衡：能够加快血液细胞更新，提高血液中的血红蛋白和红血球数量，改善血液参量，从根本上改善人体细胞的新陈代谢，改善人体各组织器官的营养供给，使人由内而外脱胎换骨，重新焕发青春活力。

The laboratory research and chinical trials to prove.courage lcecontains active material that it can quickly penetrate through body's cell.so to directly provides for the cell,fill the skin intercellular space the crevice which is senile withered because of the cell stays benind supply the active elements necessary for the body cells metabolism,to activate the function of endothelium cells of blood vessels,promote the blood vessels balance, compose and secrete various blood vessels active elements,contains abundantsulfuric cartilage element,sulfuric amido etc.,all of fatty acid in human body.and it can accelerete the re-generation of blood cells,add the quantity of the hemoglobin and red blood corpuscle so to improve the blood parameter,and fundamentally improve the body cells metabolism and nutrition supply for all the organs,as a result,you will thoroughly refresh yourself and bloom vitality of youth.

实验室研究和临床试验证明，LCE所含活性物质能够迅速穿透人体细胞，直接为细胞供养，填补肌肤细胞间因细胞衰老干瘪而留下的空隙全面补充人体细胞新陈代谢所必须的活性物质，激活血管内皮细胞功能，促进血管平衡，合成和分泌多种血管活性物质：富含的硫酸软骨素、硫酸氨基葡萄糖等能改善和调节人体脂代谢，有效清除体内血液中多余的脂质和脂蛋白清除在血管壁内膜沉积的脂类物质，保持人体脂肪酸均衡：能够加快血液细胞更新，提高血液中的血红蛋白和红血球数量，改善血液参量，从根本上改善人体细胞的新陈代谢，改善人体各组织***的营养供给，使人由内而外脱胎换骨，重新焕发青春活力。

In order to propose a specic and accurate CE method for analyzing pharmaceutical products containing neomycin sulfate and polymyxin B sulfate, it is essential to nd the best experi-mental conditions in which the analytes can be separated from each other.

为了提出specic和精确的CE认证的方法，对医药产品含有硫酸和多粘菌素硫酸潜在威胁，很有必要nd experi-mental最好的样本可以互相分离。

Dihydroxydiphenylsulfone(2,4′-BPS)was prepared by reaction of phenol and H_2SO_4 in o-dichlorobenzene as solvent in the presence of phosphorous acid as catalyst.

以邻二氯苯为溶剂，苯酚、硫酸为原料，通过添加催化剂亚磷酸合成2，4′-二羟基二苯砜(2，4′-BPS)，确定了较好工艺条件：n苯酚∶n100%硫酸=2.2∶1，亚磷酸16g，回流时间8.0h，2，4′-BPS含量为47.42%，粗收率为70.0%，产品为白色的结晶。

The first sulfuric acid in the world was prepared by destructive distillation of green vitriol［ferrous sulfate FeSO4.7H2O］in the second half of 15th century.

世界上最早的硫酸，产生于15世纪后半叶，当时的原料为绿矾石［FeSO4.7H2O］，通过对其加热分解和吸收制出硫酸。

The synthesis process of silica using waterglass and sulpHuric acid as materials was studied systematicly. The results show that reacting temperature, reacting time, sulphuric acid concentration, reactive stiring rate, modulus of waterglass,adding salting agent,alkali concentration,the total volume of acid and alkali added , different methods of adding materials may have influence on the specific surface area or dibutylphthalate absorption number of silica in different degree.

本文系统地研究了以水玻璃溶液和硫酸为原料合成沉淀法白炭黑的工艺，研究发现：反应温度、反应时间、硫酸浓度、反应搅拌速度、水玻璃模数、添加盐析剂、底碱浓度、酸碱加入的总量、加料方式对白炭黑的比表面积或DBP吸收值有不同程度的影响。

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％。