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The results of the experiment show that menadiol sodium diphosphate has no mutation effects on the procaryotic cell in vitro.

结果 当甲萘氢醌二磷酸酯钠的浓度在0.5、5、50、500、5000μg/皿,无论加或不加S9混合物时其对4株沙门菌株的回复突变作用均为阴性。结论甲萘氢醌二磷酸酯钠在体外对原核细胞无诱变作用。

Ingredients:Water,Hamamelis Virgin-iana Water,Glycerin,Olive Oil Peg-7 Esters,Gm Euglena Gracilis Polysaccharide,Betaine,Aloe Barb-adensis Leaf Juice,Hydrolyzed Wheat Protein,Sodium Pca,Tocopheryl Acetate,Polysorbate 20,Creatine,Hyaluronic Acid,Tetrasodium Edta,Perfume

成分:去离子水,金缕梅蒸馏液,甘油,橄榄油,PEG-7酯类,细小裸藻多糖,甜菜碱,芦荟叶提取物,水解小麦蛋白,吡咯烷酮羧酸钠,生育酚乙酸酯,聚山梨醇酯-20,肌酸,透明质酸,乙二胺四乙酸四钠,香精,苯氧乙醇,辛二醇,山梨酸。

Both the and DtV$ for the glycyl dipeptides increase with increasing molality of sodium acetate. The interactions between charged center or glycyl units of the peptide and ions dominate those between alkyl groups of the peptide and the ions. The interaction between the peptides and sodium acetate is mainly pairwise. The results were interpreted successfully by the cosphere overlap model.

结果表明:甘氨酰二肽的标准偏摩尔体积和标准偏摩尔转移体积均随乙酸钠浓度的增加而增大,溶液中离子与肽带电基团/甘氨酰基团(CH2CONH)之间的相互作用大于离子与肽的非极性基团间的相互作用,乙酸钠和甘氨酰二肽之间主要是对相互作用。

Manganese sulphate,zinc sulphate,ferrous sulphate,acesulfame k,sodium bezoate,lithopone,iron oxide,lead oxide yellow,barium bicarbonate,gum rosin,natural dioxide manganese,electrolyztic dioxide manganese,sodium alginate,ADK wax,thiourea.

提供产品:硫酸锰,硫酸锌,硫酸亚铁,安赛蜜,苯甲酸钠,立德粉,氧化铁,黄丹,碳酸钡,松香,天然二氧化锰,电解二氧化锰,海藻酸钠,AKD蜡,硫脲。

The solution of sulfuric acid was added dropwise to the reaction vessel contained 1,3-dichloro-2-propanol, sodium dichromate and water.

将硫酸水溶液滴加到1,3-二氯-2-丙醇与重铬酸钠水溶液的混合物中,在温度23~27℃的条件下搅拌反应5 h,重铬酸钠∶1,3-二氯-2-丙醇=1∶2,此条件下收率为79.6%。

The softening water capability of sodium metasilicate is poor. New phosphate-free detergent builders are developed in order to increase softening water capability of alkali silicates.

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。

The products include two series: Sulfa drugs Industrial Sulfanilamide, Crystel Sulfanilamide, Sulfaguanidine, Sulfadimidine(Sodium, Sulfadiazine, Sulfathiazole Sodium, Sulfaquinoxaline Sodium, Sulfameter Dimethyl Sulfate, Nitromethane, Hydroxylamine Hcl.

本公司专业生产化工、医药中间体,产品主要包括磺胺(工业磺胺、结晶磺胺、磺胺脒、磺胺二甲嘧啶、磺胺嘧啶、磺胺噻唑钠、磺胺喹噁啉钠、磺胺五甲氧嘧啶)及硫酸二甲酯(硫酸二甲酯、硝基甲烷、烟酸羟胺)两大系列。

Acridone 1 reacted with benzyl chlorides 2 in NaH/DMF/KI to give 10-benzyl-9-acridones 3 in high yields. Subsequent reduction of 3 with NaBH4 gave 10-benzy1-9,10-dihydroacridine derivatives 4 with yields of 88%~96%.

吖啶酮1与氯化苄及其衍生物2在氢化钠/N,N-二甲基甲酰胺/碘化钾中反应高产率生成10-苄基吖啶酮类化合物3; 3经硼氢化钠氢化还原生成10-苄基-9,10-二氢吖啶类化合物4,产率88%~96%。

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 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。

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What would he tell Judith and the children?

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