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- Aim:to prepare propyl p-hydroxybenzoate. 目的:制备对羟基苯甲酸丙酯。
- Disodium ethylenediamine tetraacetate is a good sequesterant. 乙二胺四乙酸二钠是一种优秀的络合剂。
- Ethylenediamine and benzylamine are insufficiently soluble at, e.g., -40°F. 乙二胺和苯甲胺,如在-40°f是不完全溶解的。
- Ethylenediamine tetra Methylenephosphonic acid is a new multidentate ligank. 乙二胺四甲叉膦酸是一种新型多齿配合剂。
- Propyl gallate known as a familiar antioxidant,is widely used in food industry. 没食子酸丙酯作为一种常见的抗氧化剂已被广泛应用于食品行业。
- OBJECTIVE To synthesize thiamine propyl disulfide,a long-effect VitaminB1. 目的合成长效维生素B1丙硫硫胺。
- In this paper a new synthesis of Trimethylol propyl triacrylate was introduced. 本文介绍了三羟甲基丙烷三丙烯酸酯新的合成方法。
- These peaks correspond to side-chain cleavage of the ethyl and propyl groups respectively. 这些峰分别相当于乙基和丙基的侧链开裂。
- The mesoporous silica molecular sieves Zr-MCM-41 were synthesized in ethylenediamine. 以乙二胺为碱性介质合成了Zr-MCM-41介孔分子筛。
- OBJECTIVE To research and develop ethylenediamine diaceturate for injection,and to discuss its stability. 目的研制开发注射用二乙酰氨乙酸乙二胺,并对其稳定性进行初步考察。
- It was found that ethylenediamine was indispensable for the flowery assembly of cobalt nanoswords. 研究发现乙二胺对于钴纳米剑的花状组装是不可缺少的。
- It was obtained with ethylenediamine and ethenesulfonic sodium as primary material through addition. 采用乙二胺和乙烯磺酸钠为主要原料,经过加成反应合成了乙二胺双乙基磺酸钠。
- A monovalent radical,such as ethyl or propyl,having the general formula CnH2n+1. 烷基,烃基一种单价基,如乙烷基和丙基,分子式为CnH2n+
- A monovalent radical, such as ethyl or propyl, having the general formula CnH2n+1. 烷基,烃基一种单价基,如乙烷基和丙基,分子式为cnh2n+1
- EDTA Ethylenediamine tetra-acetic acid, a compound that acts as a chelating agent, reversibly binding iron, magnesium, and other positive ions. 学名为乙二胺四乙酸,是一种具有螯合作用的化合物,能够可逆地结合铁离子、镁离子以及其他正离子。
- In the aqueous medium with pH 10.0, the fluorescence of Tb? o fluorobenzoic acid ( o FBA) Ethylenediamine (EDA) system was enhanced 78 times by La? . 在pH 10 .;0的水溶液中;5
- Talc, Mica, Silica, Propyl paraben, Methyl paraben, Art-Pearl, Zinc stearate, Vitamin E, Squalane, Iron oxdied black. 滑石,云母,矽石,尼伯金丙酯,尼伯金甲酯,人工珍珠,硬酯酸锌,维生素E,角鲨烷,氧化铁黑。
- Talc, Mica, Silica, Propyl paraben, Methyl paraben, Art-Pearl, Zinc stearate, Vitamin E, Squalane. 滑石,云母,硅石,尼伯金丙酯,尼伯金甲酯,人工珍珠,硬酯酸锌,维生素E,角鲨烷。
- The technological route of pilot-plant for synthesizi ng amido-polyols using ethylenediamine, expoxy propane as raw materials, was stud ied. 介绍了以环氧丙烷、乙二胺为原料合成胺基多元醇的中试工艺路线。