查询词典 sulfate

The silica/Polystyrene monocore-shell nanocomposite particles(95nm in diameter) were synthesized through miniemulsion polymerization by using sodium dodecyl sulfate surfactant,hexadecane costabilizer in the presence of silica particles(50nm in diameter) coated with methacryloxytrimethoxysilane.

采用细乳液聚合法，以3-甲基丙烯酰氧基丙基三甲氧基硅烷(KH570)表面改性的直径50nm的氧化硅粒子为核，在乳化剂、助乳化剂、引发剂存在的情况下制备了小粒径、单核核壳结构氧化硅/聚苯乙烯纳米复合微球。

Antimony samples were dissolved by aqua regia, hydrobromic acid, and hydrochloric acid step wisely, converting sulfur in the samples into sulfate.

方法采用王水，氢溴酸，浓HCl等试剂将锑样溶解，并使锑样中的硫转化为SO42-，低温加热蒸干，使锑完全挥发。

The results showed that the main hydrochemical type of Qinghai salt lake is type of the magnesium sulfate.

结果表明，青海盐湖水化学类型主要为硫酸镁益型。

Effects of sulfate ions and hydrolytic temperature on the TiCl4-derived TiO2 powders properties were investigated in detail.

研究了四氯化钛水解法制备的二氧化钛纳米晶工艺中水解温度和硫酸根离子对粉体性能的影响。

Based on the principle of ester hydrolyzation to ether in alkali condition, the process for preparation of dimethyl sulfide from sodium methyl sulfate residue was investigated.

根据酯在碱性条件下水解反应生成醚的原理，研究了以甲基硫酸钠废渣为原料制备二甲基硫醚的方法。

The optimum reaction conditions were that the molar ratio of maleic anhydride and p-nitroaniline was 1.2:1, the volume ratio of toluene and DMF was 10:1, the amination temperature was 20~30℃ the cyclization temperature was 145~150℃ and the cyclization time was 6 h over; the amount of p-toluene sulfonic acid was 12% of total reactant mass, the amount of copper sulfate was 0.1~0.5% of total reactant mass, the amount of hydroquinol was 0.1% of total reactant mass.

得到的最佳工艺条件是：n：n为1.2：1，V：V为10：1；胺化反应温度为20~30℃，环化反应温度为140~150℃，环化反应时间为6h以上；对甲基苯磺酸用量为反应物总质量的1%~2%；硫酸铜用量为反应物总质量的0.1%~0.5%；对苯二酚用量为反应物总质量的0.1%。

Aim To identify the hydroxylate metabolites and its sulfate conjugates of daidzein in rat urine.

目的 鉴定大豆黄素在大鼠体内的羟基化及其结合形代谢产物。

Results Several new hydroxylate metabolites and its sulfate conjugates were found and identified in rat urine.

结果 在大鼠尿中检测到几种尚未在国内外报道过的羟基化代谢产物及其硫酸酯轭合物。

LC-ESI/MS is proved to be a simple, rapid, sensitive and specific technique for identification of the hydroxylate metabolites and its sulfate conjugates of daidzein in rat urine.

LC-ESI/MS法可以快速、简捷、准确地鉴定大豆黄素在大鼠体内羟基化及其结合形代谢产物。

Production workshops of dyes such as phthalocyanine copper , turquoise blue , indigotin , new indigotin,phthalocyanine blue and etc; 2. Living quarters of the former plant; 3. Former office quarters, including offices, research institute and test department; 4. Green belt, never used for production; 5. Production area of sulfate .

其中：（1）为酞菁铜、翠蓝、靛蓝、新靛蓝、酞菁蓝等染料生产车间；（2）为原厂生活区；（3）为原厂办公区，包括办公室、研究所及检验科；（4）为原厂绿地区域，一直未作为生产用地；（5）为硫酸生产区域。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。