Methylmercury was extracted from the homogenized tissue with toluene in the presence of copper sulfate, sodium bromide and sulfuric acid.
在存在硫酸铜、溴化钠和硫酸的情况下,用甲基从组织匀浆中萃取甲基汞。
When sulfur amino acid meets 100% of the need, adding 0. 2% sodium sulfate could not promote the growth further.
当日粮含硫氨基酸100%满足需要时,再添加0.2%硫酸钠,不能进一步促进生长。
This paper has studied the synthesis of sodium saturated oleic acid ethanolamine sulfate from oleic acid by proper synthetic route and determined Its surface-activity.
本文以油酸为原料经过适当的途径合成饱和油酸乙醇酰胺硫酸酯钠,并测定其表面活性性能。
Mixed dibasic acid dimethyl ester was synthesized from methanol and mixed dibasic acid, the byproduct of adipic acid, using sodium sulfate monohydrate as catalyst.
采用一水合硫酸氢钠作为催化剂,催化己二酸生产副产物——混合二元酸与甲醇反应合成混合二元酸二甲酯。
Ingredients: Deionized water, glycerin, sodium alkyl sulfate, GMS, fatty alcohol, alga extract, amino acid surfactant, imidazolidinyl urea, essence, etc.
成份:去离子水、甘油、烷基醇硫酸钠、单甘酯、脂肪醇、海藻提取物、氨基酸表面活性剂、烷基咪唑脲等。
Diethyl fumarate was synthesized with fumaric and alcohol as raw materials and sodium acid sulfate as catalyst.
以富马酸和乙醇为原料,硫酸氢钠作催化剂合成富马酸二乙酯。
The COD of the tridecane dicarboxylic acid wastewater is high about ten thousands, and there is high concentration sodium sulfate in the wastewater.
十三碳二元酸生产中有机废水的COD值高达上万,且含有高浓度硫酸钠。
Ingredients: Deionized water, glycerin, sodium alkyl sulfate, GMS, fatty alcohol, mulberry extract, amino acid surfactant, imidazolidinyl urea, essence, etc.
主要成份:去离子水、甘油、烷基醇硫酸钠、单甘酯、脂肪醇、桑树提取液、氨基酸表面活性剂、烷基咪唑脲、香精等。
Ingredients: Deionized water, glycerin, sodium alkyl sulfate, GMS, fatty alcohol, Asiatic centella extract, mulberry extract, amino acid surfactant, imidazolidinyl urea, essence, etc.
主要成份:去离子水、甘油、烷基醇硫酸钠、单甘酯、脂肪醇、积雪草提取物、桑树提取液、氨基酸表面活性剂、烷基咪唑脲、香精等。
The liquid waste of synthesizing adhesive was treat with boric acid, sodium sulfate and PFS by coagulation. Through a series of experiment, the best operation parameter was gained.
选用硼酸、硫酸钠和聚合硫酸铁进行复配,采用混凝法处理制胶废水,做混凝实验,得出最佳操作条件。
In the acidic aqueous solution of copper sulfate, pyridine-2,3-dicarboxylic acid was synthesized by oxidizing quinoline with sodium chlorate, and the yield of the product could reach 56.4%.
在含硫酸铜的酸性水溶液中,用氯酸钠作氧化剂,氧化喹啉得到2,3-吡啶二甲酸,产率为56·4%;
Chromic sulfate, sodium formate and formate acid react with hydrolysis collagen were investigated by fluorescent method to get the more evidence of understanding chrome tanned mechanics.
为了更好地了解在二氧化碳超临界流体下铬鞣机理 ,采用对比实验法对常规铬鞣的基本原理进行了印证性研究。
The reaction conditions of 2-ethoxybenzoic acid were optimized by changing the amount of diethyl sulfate, reaction time of methyl salicylate and potassium hydroxide, the amount of sodium hydroxide.
通过改变硫酸二乙酯的用量、水杨酸甲酯与氢氧化钾的反应时间、氢氧化钠的用量,得到了2-乙氧基苯甲酸的优化制备工艺条件。
The reaction conditions of 2-ethoxybenzoic acid were optimized by changing the amount of diethyl sulfate, reaction time of methyl salicylate and potassium hydroxide, the amount of sodium hydroxide.
通过改变硫酸二乙酯的用量、水杨酸甲酯与氢氧化钾的反应时间、氢氧化钠的用量,得到了2-乙氧基苯甲酸的优化制备工艺条件。
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