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乙酸钠

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Our country ethylene diamine mainly uses in producing the agricultural chemicals (woods manganese zinc, dithane Z-78, generation of woods amine and pesticide, weed killer, disinfectant), the surface active agent (lives geminate stearic acid amide, alkyl imidazole lin, double amide, with oxirane, epoxypropane synthesizes non-ionic surface active agent), the epoxy resin firming agent (polyamide resins, epoxy firming agent, hydroxyethyl ethylene diamine and so on), the wash assistant (ethylene diamine four ethanoic acid and sodium salt series chelating agents), medicine raw material (aminophylline, washes must be peaceful, nose eye only, deinsectization spirit and so on), water treatment medicinal preparation (ethylene diamine four methylene phosphonates, second grade trunk base ethylidene two phosphine acids), corrosion inhibitor dye fixing agent, photography materialFixing bath and oil dope and so on.

我国乙二胺主要用于生产农药(森锰锌、代森锌、代森胺及杀虫剂、除草剂、杀菌剂),表面活性剂(生成双硬脂酸酰胺,烷基咪唑啉、双酰胺,与环氧乙烷,环氧丙烷合成非离子表面活性剂),环氧树脂固化剂(聚酰胺树脂,环氧固化剂,羟乙基乙二胺等),洗涤助剂(乙二胺四乙酸及其钠盐系列螯合剂),医药原料(氨茶碱,洗必泰,鼻眼净,灭虫灵等),水处理剂(乙二胺四甲叉膦酸盐,乙脒基乙叉二膦酸),缓蚀剂染料固色剂,照相材料定影液及润滑油添加剂等。

Sinopodohyllum hexandrum seeds were treated with different concentration NaHCO3, Na2CO3, KT, GA3, NAA, 6-BA and 2, 4-D. The effects of different chemicals on Sinopodohyllum hexandrum seeds were measured, and seed germination rate, germinability, germination index and germination speed were determined.

方法]用不同浓度的碳酸氢钠、碳酸钠、细胞激动素、赤霉素、萘乙酸、6-苄基-嘌呤和2,4-D等7种药剂处理桃儿七种子,通过测定种子发芽率、发芽势、发芽指数和发芽速度等活力指标研究药剂对桃儿七种子萌发的促进作用。

SODIUM GLYCOLATE— Transfer about 500 mg of it, accurately weighed, into a 100-mL beaker, moisten thoroughly with 5 mL of glacial acetic acid, followed by 5 mL of water, and stir with a glass rod to ensure proper hydration (usually about 15 minutes). Slowly add 50 mL of acetone while stirring, then add 1 g of sodium chloride, and stir for several minutes to ensure complete precipitation of the carboxymethylcellulose.

乙醇酸钠—取本品500mg,精密称定,置于100mL烧杯中,用5mL冰乙酸完全润湿,接着加5mL水,并用玻棒搅拌使水合作用完全(搅拌时间一般为15分钟),边振摇边缓缓加入50mL丙酮,再加入1g氯化钠,振摇几分钟以确保羧甲基纤维素沉淀完全。

The ideal high temperature nickel activation process parameter as follow: Nickel acetate concentration 70g·L~(-1);Sodium hypophosphite concentration 70 g·L~(-1);Soakage temperature 40℃;Soakage time 5min ;activation time 30min;Activation temperature 170℃.

理想高温镍活化工艺参数为:乙酸镍浓度70g·L~(-1),次磷酸钠浓度70 g·L~(-1),浸渍温度40℃,浸渍时间5 min,活化时间30min,活化温度170℃。

Owing to phosphorous acid is produced from phosphorus trichloride in industry by hydrolysts, inspissation and crystallization, if we use phosphorus trichloride directly on synthesize N- iminodiacetic acid, not only can simplify operation, but also can red.

原工艺采用的是在酸性条件下高温时将甲醛滴加到亚磷酸与亚氨基二乙酸一钠盐混合溶液中进行反应,考虑到工业上亚磷酸的合成一般采用三氯化磷水解、提浓、结晶制得,直接将三氯化磷用于双甘膦的合成,不仅可以简化操作过程,而且对于降低生产成本和能耗有明显意义。

Originally techniques dropped formaldehyde into the mixture of phosphorous acid and monosodium of imino diacetic acid in high temperature. Owing to phosphorous acid is produced from phosphorus trichloride in industry by hydrolysis, inspissation and crystallization, if we use phosphoros trichloride directly on synthesize N- iminodiacetic acid, not only can simplify operation, but also can reduce the cost and save energy.

原工艺采用的是在酸性条件下高温时将甲醛滴加到亚磷酸与亚氨基二乙酸一钠盐混合溶液中进行反应,考虑到工业上亚磷酸的合成一般采用三氯化磷水解、提浓、结晶制得,直接将三氯化磷用于双甘膦的合成,不仅可以简化操作过程,而且对于降低生产成本和能耗有明显意义。

A novel reversed-phase ion-pair high performance liquid chromatographic method was developed for separation and determination of sodium iron ethylenediaminetetra-acetate in iron-fortified soy sauce.

建立了用反相离子对高效液相色谱法分离和测定铁强化酱油中的铁营养强化剂乙二胺四乙酸铁钠的方法。

Water, Cyclomethicone, Glycerin, Sd Alcohol 40-B (Alcohol Denat.), Propylene Glycol, Melia Azadirachta Leaf Extract, Lecithin, Arctium Lappa Root Extract, Xylitol, Lactitol, Alpha-Glucan Oligosaccharide, Lactoferrin, Potassium Thiocyanate, Glucose Pentaacetate, Glucose Oxidase, Lactoperoxidase, Glycoproteins, Panax Ginseng Root Extract, Equisetum Arvense Extract, Hydrolyzed Milk Protein, Peg-8, Caprylyl Glycol, Sebacic Acid, Sodium Polyacrylate, Betula Alba Bark Extract, Cupressus Sempervirens Leaf Extract, Hamamelis Virginiana Extract, Avena Sativa Meal Extract, Humulus Lupulus Extract, Silk, Nylon-12, Polyacrylamide, Polymethyl Methacrylate, Butylene Glycol, Salicylic Acid, Lauryl Methacrylate/Glycol Dimethacrylate Copolymer, Tocopheryl Acetate, C13-14 Isoparaffin, Laureth-7, Triethanolamine, Xanthan Gum, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Phenoxyethanol, Chlorphenesin, Benzoic Acid, Methylparaben, Fragrance, Titanium Dioxide

水,环甲硅脂,甘油,Sd Alcohol 40-B,丙二醇,印度楝树叶萃取,卵燐脂,牛蒡根萃取,木糖醇,乳糖醇,α-葡低聚糖,乳铁蛋白,硫氰酸钾,葡萄糖五乙酸酯,葡萄糖氧化酶,乳过氧化物酶,糖蛋白,人参根萃取,问荆萃取,水解牛奶蛋白,聚乙二醇-8,辛乙二醇,癸二酸,聚丙烯酸酯钠,白桦萃取,丝柏叶萃取,金缕梅萃取,燕麦萃取,啤酒花萃取,丝,尼龙-12,聚丙烯醯胺,聚甲基丙烯酸甲酯,丁二醇,水杨酸,甲基丙烯酸十二酯,醋酸盐维他命E,C13-14 异烷烃,月桂醇聚醚-7,三乙醇胺,山羊胶,丙烯酸/C10-30烷基丙烯酸聚合物,苯氧乙醇,氯苯甘醚,苯甲酸,羟苯甲酯,香料,二氧化钛

Process for the manufacture of a dialkylphenylethylmalonatewhich comprises adding to a quantity of sodium which is covered with a hydrocarbon solvent boiling above 100°C, at least a chemically equivalent proportion of methyl, ethyl or a propyl alcohol, subsequently adding an approximately equivalent proportion of a dialkylcarbonate and of an alkyl phenylacetate, the alkyl groups in these two last-mentioned compounds being preferably the same as the alkyl radical of the above –mentioned lower aliphatic alcohol, heating the mixture to induce reaction and continually distilling out the alcohol formed from the reaction zone and finally causing the sodio diethyl phenylmalonate so formed to interact with an ethylating agent.

生产二烷基苯基丙二酸酯的工艺过程:这包括这包括把至少处于化学平衡的甲醇,乙醇或丙醇添加到覆盖着沸点超过一百摄氏度的碳氢化合物溶剂中,接着加入大约相同当量的二烷基碳酸酯和烷基乙酸苯酯,在刚才提到的化合物中,其烷基集团最好是和刚才提到的低级别脂肪族醇相同,然后加热反应混合物从而引导反应的进行,在反应区域通过连续蒸馏移除形成的醇类。最后使所形成的钠代二乙基苯基丙二酸酯和乙基化试剂反应。

Said method includes the following steps: firstly, adopting dipotassium hydrogen phosphate, magnesium sulfate, calcium chloride, citric acid, ammonium ferric citrate, disodium EDTA, sodium carbonate and minor element solution A5 to prepare culture liquor of nostoc according to a certain ratio; then controlling temp. light intensity and deration condition of the culture liquor to make culture of nostoc; third ste, harvesting nostoc; fourth ste, extracting nostoc polysaccharide; and fifth step, purifying, harvesing and drying nostoc polysaccharide.

首先是配制葛仙米培养液:采用磷酸氢二钾、硫酸镁、氯化钙、柠檬酸、柠檬酸铁铵、乙二胺四乙酸二钠盐、碳酸钠,微量元素溶液A5按比例配制;其次是葛仙米的培养:控制温度、光强、光质、培养液通气条件;第三是葛仙米的收获;第四是葛仙米多糖的提取;第五是葛仙米多糖的纯化、收获与干燥。

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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。

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