邻苯二甲酸二乙酯作为一种香味在香水中被使用时,其他的未被列出的成分似乎仅仅是帮助发明这种古龙水的特殊香味,但这并不意味着他们是无害的。
While DEP is used as a solvent in the fragrances, other unlisted ingredients seem to help create the cologne's particular scent -- but that doesn't mean they're harmless.
其制备方法是以氯化铵为催化剂,原甲酸三乙酯为解水剂,由无水乙醇和环己酮缩合合成。
Cyclohexanone diethyl acetal was prepared from cyclohexanone with anhydrous ethanol as reactant, ammonium chloride as catalyst, triethyl orthoformate as water scavenger.
黄芩:采用硅胶G板,以醋酸乙酯-丁酮-甲酸-水(5:3:1:1)为展开剂,显色剂为1%三氯化铁乙醇溶液。
Radix Scutellariae was examined by Silca gel-G, the mobile phase was ethyl acetate-butanone-formic acid-water (5:3:1:1).
用流变相反应法合成了二水邻苯二甲酸镁。
Magnesium phthalate dihydrate was synthesized by rheological phase reaction.
本文介绍了对易挥发、具腐蚀性且组份之间存在可逆反应的含有甲酸、甲酸甲酯、甲醇和水等样品的GC分析。
In this article, analysis by GC of volatile and corrosive samples containing formic acid, formic ether, methanol and water among which there may be reversible reactions is described.
建立了甲酸甲酯和水共存下的甲醇分解制燃气体系的热力学模型,以研究该体系的热力学平衡限度。
A thermodynamics model was proposed to study the equilibrium limitation of methanol decomposition to fuel-gas in the present of methyl format and water.
苯甲酸,安息香酸:一种芳香的白色结晶酸,C6H5cooh,用来风干烟草或用于香水、洗牙水和杀菌剂。
An aromatic white crystalline acid, C6H 5cooh, used to season tobacco and in perfumes, dentifrices, and germicides.
以水华鱼腥藻为材料研究了6种氨基甲酸酯类农药对藻类的毒性效应。
The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.
去离子水、印度醋栗、红石榴提取液、茄红素、丙烯酸共聚物、酵母提取液、无花果精华、对羟基苯甲酸甲酯、咪唑烷基脲、丙二醇、甘油。
Ingredients: Deionized water, amalaki, pomegranate extract, lycopene, acrylic acid copolymer, yeast extract, fig essence, Methyl Paraben, imidazolidinyl urea, propylene glycol and glycerol.
因此反应的中间产物为邻苯二甲酸,终产物为邻苯二甲酸酐、二氧化碳和水。
Therefore, the intermediate product is phthalic acid and final products are phthalic anhydride, carbon dioxide and water.
主要成份:去离子水、氢化聚癸烯、对羟基苯甲酸甲酯、对羟基苯甲酸丙酯、丙烯酸共聚物、矿物油、香料。
INGREDIENTS: Deionized water, hydrogenated poly-decene, methyl p-hydroxybenzoate p-hydroxybenzoic acid propyl, acrylic acid copolymer, mineral oil, daily flavor.
将3,5— 二氯苯甲酸作为内标物,采用液相色谱(HPLC)法同时测定了百甲合剂水剂中的两种有效成份百草敌和二甲四氯钠。
In this paper, 3,5-Diclorobenzic acid was used as the internal standard to determinate the effective costituces in banvel·NH(CH3)2-MCPA·Na solution by HPLC.
本发明公开了一种防锈纸处理剂,由苯甲酸钠、三乙醇胺、尿素、乙醇、水混合组成。
The invention discloses an anti-tarnish paper finishing agent which is composed by mixing sodium benzoate, triethanolamine, urea, ethanol and water.
本发明公开了一种防锈纸处理剂,由苯甲酸钠、三乙醇胺、尿素、乙醇、水混合组成。
The invention discloses an anti-tarnish paper finishing agent which is composed by mixing sodium benzoate, triethanolamine, urea, ethanol and water.
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