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- When the complex of anhydrous zinc acetate with 1,5-naphthalene diamine was formed, the anhydrous zinc acetate changed from a bidentate ligand to a unidentate ligand. 在无水乙酸锌与1,5-萘二胺形成配位络合物的过程中,无水乙酸锌的结构从双齿型转变成单齿型。
- anhydrous zinc acetate 无水乙酸锌
- A new convenient and general one-step route for preparing azines by treating aromtic aldehydes and semicarbazide with anhydrous zinc chloride as catalyst is described. 吖嗪是用途很广泛的化合物,如作染料,光敏物质,聚合单体,另外它们还是加成反应的母体化合物。
- The experiment studied the effect of copper acetate and zinc acetate on maintaining and recovering the g reen color of pickled cucumber. 以半成品盐渍小黄瓜为原料,研究了醋酸铜、醋酸锌对黄瓜护(复)绿的影响,以及氯化钙浓度对黄瓜硬度和脆度的影响。
- The synthesis method of dioctyl terephthalate(DOTP) from waste PET bottles with the catalysts of zinc acetate and magnesia is investigated. 介绍了以废聚酯瓶为原料,用醋酸锌与氧化镁复合催化剂合成对苯二甲酸二(2-乙基己)酯(DOTP)的方法。
- In the study of the catalyst impregnation using the Yangyuan active carbon, the factors affecting the supporting amount of zinc acetate on the active carbon have been correlated. 在国产阳原活性炭上浸渍乙酸锌溶液,以制备新的用于乙炔法生产乙酸乙烯的催化剂,得到了一个包含浸渍时间、浸渍比、浸渍温度、浸渍初始浓度的经验公式。
- The use of disedium EDTA,zinc acetate,sedium chloride and ascorbic acid in the extracting process could raise the ativities of bromelin in fruit pulp,stem and leaf by 69.37%,93.88%and 139. 69%respectively. 在提取过程中使用乙二胺四乙酸二钠、醋酸锌、氯化钠、抗坏血酸可使果肉蛋白酶、茎蛋白酶和叶蛋白酶活性分别提高69.;37%25、93
- Abstract: The effects of three kinds of catalyst, such as zinc acetate, potassium titanyl oxalate and titanium dioxide, on the block copolymerization of polyether-polyester were studied. 摘要: 研究了醋酸锌、草酸钛钾和二氧化钛三种催化剂对聚醚聚酯嵌段共聚合反应的催化作用,以及对共聚物热稳定性的影响。
- A method for measuring nitrite in fresh vegetables and fruits is described. Interference from ascorbic acid is limited by adding zinc acetate and active carbon. Precision and sensitivity is improved. 本文研究了消除新鲜蔬菜和水果中抗坏血酸对亚硝酸盐测定干扰的方法.;在样品提取时加入醋酸锌和活性炭;以消除抗坏血酸对测定的干扰;提高了测定的灵敏度和准确性
- The chemical modification was performed by the complexes such as calcium acetate,magnesium acetate or zinc acetate which reacted with crude capsanthin,and a good result can be gained. 用金属钙、镁、锌的乙酸盐为络合剂分别对粗辣椒红色素进行化学改性,得到辣椒红色素镁络盐和锌络盐的粉末产品;
- The alcoholysis process for preparing plasticizer DOTP by using zinc acetate and tetrabutyltitanate as catalysts, waste polyester and 2-ethylhexanol as raw materials was introduced. 介绍了用醋酸锌和钛酸四丁酯作催化剂,以废聚酯和异辛醇为原料,采用醇解法制取对苯二甲酸二异辛酯增塑剂(DOTP)的工艺。
- Coordination titration is used with mercury membrane electrode and wolfram one as u orking and reference electrodes respec-tively.Standard soln.consists of EDTA,zinc acetate and magnesium sulfate. 采用汞膜电极、钨电极下的配位滴定法,以EDTA、醋酸锌、硫酸镁为标准溶液,连续测定镀铜液中的焦磷酸盐及正磷酸盐的含量。
- In this paper, the Al3+-doped ZnO thin films were deposited on substrates by sol-gel method from 2-methoxyethanol solutions prepared by Zinc acetate as precursor, DEA as stabilizer. 本文采用溶胶-凝胶方法在载玻片上成功地制备出Al3+掺杂型ZnO薄膜。
- Acetic acid salt :calcium acetate ,sodium acetate,zinc acetate,potassium acetate. 醋酸盐系列:醋酸钙,醋酸钠,醋酸钾,醋酸锌,醋酸镁等。
- The yield of anhydrous plumbous acetate is also very high. 该方法操作简便,反应时间短,得到的无水醋酸铅的收率也较高。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- Brass is formed by the fusion of copper and zinc. 黄铜是由铜和锌熔合制成的。
- A Research of Comprehensive Utilization of Waste Zinc Acetate Catalyst 废醋酸锌催化剂综合利用研究
- anhydrous zinc chloride 无水氯化锌
- Anhydrous nitric acid is dissociated. 无水硝酸是电离的。