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The physical and chemistry character of sodium butyrate, its function in gastrointestinal and application in animal production were mainly stated in this article.

本文综述了丁酸钠的理化性质、营养生理功能和其在动物生产中的应用,并简要展望了丁酸钠研究和应用的前景。

In contrast, dimerization and trimerization of NaH2PO4 are predicted to be the predominant initial reactions for the silica supported NaH2PO4 catalyst.

但是在硅胶负载的磷酸二氢钠上,磷酸二氢钠的二聚和三聚是缩合反应初始阶段的主要反应。

In contrast,dimerization and trimerization of NaH_2PO_4 are predicated to be the predominant initial reactions for the silica supported NaH_2PO_4 catalyst.

但是在二氧化硅负载的磷酸二氢钠上,磷酸二氢钠的二聚和三聚是缩合反应初始阶段的主要反应。

The experiment system of caustic soda in the process of Glauber's salt key point is the inclusion of sodium bicarbonate, sodium bicarbonate accession greatly improved the conversion rate of caustic soda.

本实验在芒硝制烧碱过程中的关键点是加入了碳酸氢钠,碳酸氢钠的加入大大提高了烧碱的转化率。

Acetone, and water?2?propanol were obtained by the laser method and fitted by the exponential model. Finally, the crystallization metastable zone

异丙醇混合溶剂中的溶解度数据,采用指数模型对溶解度数据进行关联;最后测定头孢唑林钠在水及水与异丙醇混合溶剂中的冷却结晶介稳区数据,为头孢唑林钠的工业生产提供热力学依据。

The turbidity change characteristics of sodium resinate solution was studied at the existence of calcium ions. The effect of ACS, a kind of heavy metal ion complexing reagent at different temperature, pH, dosage of ACS, and adding order on the solution turbidity was investigated in this paper.

研究了树脂酸钠在Ca(上标 2+)存在下的溶液浊度变化特点,分析了不同反应温度、溶液的pH、ACS用量及添加顺序等工艺条件对多价金属离子络合剂ACS控制树脂酸钠的影响。

Procaine hydrochloride, ampicillin sodium and dapsone can react with 1,2-naphthoquinone-4-sulfonic acid to form salmon pink compound, respectively. Their maximum absorption wavelengtb.es were shifted from the range of ultraviolet to the visible light.

利用分光光度法研究了抗生素类药物氨苄西林钠,抗麻风病药物氨苯砜,局部麻醉药盐酸普鲁卡因与1,2—萘醌—4—磺酸钠的显色反应,建立了灵敏简便的分光光度法。

The addition of sodium acetate and sodium propionate with the mass content 3% can make the specific viscidity increased to 1210 mL/g and 1130 mL/g.

而质量分数为3%的乙酸钠和丙酸钠的加入可使产品特性粘数增加至1210mL/g和1130mL/g。

This method could be used in determination of sodium glutamate in chicken essence.

对鸡精样品进行预处理后,采用高氯酸滴定法测定鸡精中谷氨酸钠的含量,方法重现性RSD为1.53,回收率为98.0%,可应用于鸡精产品中谷氨酸钠含量的检测。

Sodium glutamate content in chicken essence was determined by perchloric acid titration after pretreatment with the sample.

对鸡精样品进行预处理后,采用高氯酸滴定法测定鸡精中谷氨酸钠的含量,方法重现性RSD为1.53,回收率为98.0%,可应用于鸡精产品中谷氨酸钠含量的检测。

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