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- Determination of Chromium and Manganese in Gear Oil by GFFAAS with Citric Acid and Ascorbic Acid Nitrate as Modifier 柠檬酸、抗坏血酸基体改进剂石墨炉原子吸收法直接测定排档油中铬和锰
- Nanometer LiMn_2O_4 powders were synthesized by sol-gel method using citric acid as chelating agent, which take nitrate and acetate as main raw materials respectively. 本文以硝酸盐和醋酸盐为原料,采用柠檬酸络合法制备了正尖晶石结构LiMn_2O_4 纳米粉体;
- Nano-powders of doped lanthanum chromites were prepared by the aqueous organic-gel method using citric acid as a complex agent and metal nitrate as starting materials. 以柠檬酸作络合剂 ,硝酸盐作起始物,采用有机凝胶法制备掺杂铬酸镧的纳米粉体。
- Citric acid anhydrous powdered p. A. 无水柠檬酸。
- Using with citric acid, TBHQ is more effective. 柠檬酸对TBHQ抗氧化作用具有一定增效作用。
- A linear graphic method for the determination of the eguivalence points of citric acid of base titration is presented. 此法介绍用线性作图法测定强碱滴定柠檬酸等当点的方法,采用电位滴定技术,滴定剂分步等量加入。
- Citric acid is an important organic acid and mainly produced by fermentation method. 柠檬酸是一种重要的有机酸,主要通过发酵法生产。
- Buy: maltoflavin, citric acid, phosphate, sucralose, sorbit ... 哥伦比亚公司求购麦牙黄素,柠檬酸,磷酸盐2007-04-06
- Citric acid, trisodium salt hydrate, DNAse, RNAse and Protea... 询价 柠檬酸三钠盐水合物;
- Lemon concentrated juice, Sugar, Citric Acid, Natural spice. 浓缩柠檬汁、砂糖、柠檬酸、天然香料。
- She likes to drink fruit beverages containing citric acid. 她喜欢喝添加了柠檬酸的果味饮料。
- The proposed method has been applied to the spec- trophotometric determination of citric acid in aerated water with satisfactory results. 用此法测定了几种饮料中的柠檬酸含量,结果令人满意。
- Flavonoid has been extracted by ultrasonic extraction method from pomegranate seed and its content is determined by aluminum nitrate method. 摘要采用超声波法对石榴籽中的黄酮进行提取,并采用硝酸铝法测定了其含量。
- The result indicated:(1) ZnFe2O4 thin films were successfully fabricated by sol-gel method, with citric acid and acetylacetone as chelating agent. 结果表明:(1)分别采用柠檬酸和乙酰丙酮作为络合剂,用溶胶-凝胶法都能成功的合成ZnFe2O4薄膜。
- In this paper, nanometer perovskite-type catalysts La1-xSrxMnO3 are prepared by citric acid sol-gel method that add surface-active agent. 本研究采用添加表面活性剂的柠檬酸溶胶-凝胶法制备了纳米钙钛石型氧化物催化剂La1-xSrxMnO3。
- Vitamin C effervescent tablets was prepared with citric acid and sodium bicarbonate as effervescent agents,using nonaqueous granulating method. 以柠檬酸、碳酸氢钠为泡腾剂,经非水制粒进行压片制备维生素C泡腾片。
- CuO catalyst and Cu-Zn-Al-0 catalyst were prepared with citric acid Sol-Gel method and characterized with XRD SEM, which could indicate the microstructure of the catalyst. 本文首次采用柠檬酸Sol-Gel法制备出了CuO催化剂、Cu-Zn-Al-O复合催化剂,并用XRD、SEM等手段对催化剂进行了表征,以确定制备工艺对催化剂微观结构的影响。
- Natural aloe to nourish your skin, glycerine lubrication factors, citric acid. 天然芦荟滋润肌肤,甘油润滑因子,柠檬酸。
- Brief of Product Citric Acid and its salts such as sodium citrate etc. 产品简介柠檬酸及其盐类如:柠檬酸钠等。
- The Carrier of CASA was prepared by introducing citric acid as strength reagent into the method of cross-linked Ca-alginate to prolong servicetime of immobilized yeast. 为了增加同定化酵母的使用时间,本文在交联海藻酸钙包埋法的基础上,引入柠檬酸强化剂,制成柠檬酸强化海藻酸钙固定化酵母。 它的机械强度与海藻酸钙无差?e。