查询词典 sodium

Reaction of ketones with sodium diselenide and sodium hydrogen selenide under the catalysis of n-BuNH2 gave a moderate yield of diselenides in a "one-pot" fashion.

在正丁胺的催化下，酮与硒氢化钠、二硒化钠乙醇溶液通过&一锅&法反应得到了中等产率的二硒醚。

A method of new type phosphate-free detergent builder- crystalline layered sodium disilicate with sodium sulfate producing water glass was studied,and the effects of impurities to quality in the raw material were explored.

研究用芒硝生产泡花碱制备新型无磷洗涤助剂层状结晶二硅酸钠的方法，探讨了原料中各种杂质对产品质量的影响及工艺的控制。

A new type builder for phosphatefree detergent:Layered crystal sodium disilicate;2. One way is the manufacturing of crystalline layered sodium disilicates, and the other is that of the manufacture of composite detergent builders.

新型无磷洗涤助剂的研究围绕着提高碱金属硅酸盐的抗硬水能力展开，一是制备结晶层状二硅酸钠，二是将硅酸钠与其它助剂复合制备复合洗涤助剂。

Much oxygen was evolved in the course of H〓 production. Sodium dithionate and DCMU make the system anaerobic, but H〓 production didn't increase, even decreased. By addition of sodium acetate, glucose, heteroauxing in the course of illumination and Fe, Ni in the course of algal growth, the H〓 production increases by P.

采用强还原剂、PSⅡ抑制剂虽然可使体系处于厌氧状态，但产氢效率并无提高，甚至下降；光照产氢过程分别外加碳源NaAc、促生长剂IAA，藻体培养过程中补充Fe和Ni的无机物均能使扁藻产氢的效率有所提高。

Professional sales companies operating bromide products: sodium bromide, sodium bromide, potassium bromide, potassium bromate, Tetrabromobisphenol A, Deca-BDE, ten PBDEs, DBDPE, hexabromodiphenyl Central dodecane, dibromo neopentyl glycol, neopentyl bromide three alcohols, three bromine phenol, octabromodiphenyl ether, brominated polystyrene, bromide, calcium bromide, dibromo succinic acid, dibromo-D ene glycol, bromide surfactants series: Dodecyl trimethyl ammonium bromide, tetradecyl trimethyl ammonium bromide, cetyltrimethyl ammonium bromide, octadecyl trimethyl ammonium bromide dodecyl trimethyl ammonium chloride, tetradecyl trimethyl ammonium chloride, cetyl trimethyl ammonium chloride, octadecyl trimethyl ammonium chloride, tetrabutyl ammonium bromide wholesale sales: dimethylolpropionic acid, DL-malic acid, isophthalic acid PIA, glycolic acid, adipic acid.

公司专业经营销售溴化物系列产品：溴化钠、溴酸钠、溴化钾、溴酸钾、四溴双酚A、十溴二苯醚、十溴联苯醚、十溴二苯乙烷、六溴环十二烷、二溴新戊二醇、三溴新戊醇、三溴苯酚、八溴醚、溴化聚苯乙烯、溴化铵、溴化钙、二溴丁二酸、二溴丁烯二醇、溴化表面活性剂系列：十二烷基三甲基溴化铵、十四烷基三甲基溴化铵、十六烷基三甲基溴化铵、十八烷基三甲基溴化铵、十二烷基三甲基氯化铵、十四烷基三甲基氯化铵、十六烷基三甲基氯化铵、十八烷基三甲基氯化铵、四丁基溴化铵批发销售：二羟甲基丙酸、DL-苹果酸、间苯二甲酸 PIA、羟基乙酸、己二酸。

Experiments show that water solution contained 0. 5 -1 % sodium sulfate and 1 - 2% acetic acid is treated by means of electrodialyzer of 200 × 400mm assembled with tri - membrances and 19% sodium sulfate and 20% acetic acid are recovered by concentrating and separating. The content of salt and acid in the purified water is less than 0. 01%, current efficiency greater than 85 %, flow length in 3 ~ 5m and power consumption about 40 ~ 50 kwh/t.

实验表明，含0.5～1％硫酸钠、1～2％乙酸的水溶液通过三对膜组装的200×400mm电渗析器，分别得到含19％硫酸钠、20％乙酸的浓缩液，外排水中盐和酸的含量小于0.01％，电流效率大于85％，流程长度3～5m，耗电量40～50kwh／t。

The result of the studys on the properties of extractions indicated that: the extraction of Eleocharis Tuberose peel has better inhibition to bacteria than Sodium benzoate and potassium sorbate, has worse inhibition to epiphyte than Sodium benzoate and potassium sorbate.

对荸荠皮提取物最小抑菌浓度的研究结果表明：荸荠皮提取物对细菌的抑制作用比苯甲酸钠和山梨酸钾好，对酵母菌的抑制作用比它们差。

The effects of four factors such as temperature,sodium hydroxide concentration,time and ratio of material to sodium hydroxide solution on the yield of polysaccharide from Evodia rutaecarpa Benth were investigated,and these factors were optimized through orthogonal test.

本实验采用正交设计研究了提取温度、提取时间、料液比和NaOH浓度等对用碱法提取吴茱萸中多糖得率的影响。结果表明，影响最为显著的因素是料液比，最佳提取工艺条件为提取温度80℃、NaOH浓度0.6mol/L、料液比1：20、提取时间3h，此时多糖提取率为12.58%。

Results Sodium ferulate obviously inhibited the rising of serum alanine transaminase caused by CCl 4 and dramatically deˉcreased liver fat storage as well in a dose-dependent manner.Histopathological examination showed that sodium feruˉlate can evidently alleviate the condition of the degeneration of hepatic cells and that of necrosis.

结果 阿魏酸钠明显降低四氯化碳引起的大鼠血清谷丙转氨酶升高；显著减轻肝脏中脂肪蓄积；病理组织学检查阿魏酸钠明显减轻肝细胞的变性和坏死。

The density of potassium fluotantalate and its mixed melt salt system with sodium chloride, potassium chloride, sodium fluoride and potassium fluoride are measured by Archimedes principle .

用阿基米德法测定了氟钽酸钾及其与氯化钠、氯化钾、氟化钠、氟化钾等混合熔盐体系在熔融状态下的密度，用线性回归分析方法导出了各熔盐体系的密度与温度的关系。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。