二钠

By the use of X-ray single crystal diffraction technique, the crystal structure of 5'-GMPNa2 was determined.

利用X-射线单晶衍射仪测定了I型5'-鸟苷酸二钠晶体结构。

Methods: The content of 7-ACA raw material was determined on C18chromatographic column by using disodium hydrogen phosphate reagent.

用磷酸氢二钠试剂，在C18色谱柱上测定7-氨基头孢菌烷酸原料的含量。

Methods: The analytical column was SHIMADZU VP-ODS C18 column(4.6 mm×150 mm, 5 μm) with a mobile phase consisted of 0.05 mol/L disodium hydrogen phosphate solution(85% phosphoric acid solution with pH adjustment to 2.5)-acetonitrile-methanol(42.5∶47.5∶10) at the flow rate of 1.0 ml/min, the detection wavelength was set at 254 nm.

色谱柱为SHIMADZU VP-ODS C18柱(4.6 mm×150 mm，5 μm)，流动相为0.05 mol/L磷酸氢二钠溶液(用85%磷酸溶液调节pH值至2.5)-乙腈-甲醇(42.5∶47.5∶10)，流速为1.0 ml/min，检测波长为254 nm。

33 Holstein cows and 29 Tibet-sheep were chosen to study the alkaline phosphatase activity and its enzyme retention in different period of pregnancy with disodium phenyl phosphate method.

方法］采用磷酸苯二钠法，对33头荷斯坦奶牛和29只藏系绵羊不同怀孕期血清碱性磷酸酶活性及其酶保存率进行了测定。

Methods: The analytical column was SHIMADZU VP-ODS C18 column(4.6 mm×150 mm 5 μm) with a mobile phase consisted of 0.05 mol/L disodium hydrogen phosphate solution(85% phosphoric acid solution with pH adjustment to 2.5)-acetonitrile-methanol(42.5∶47.5∶10) at the flow rate of 1.0 ml/min the detection wavelength was set at 254 nm.

目的：建立丙酸氯倍他索尿素乳膏中丙酸氯倍他索含量的HPLC测定方法。方法：色谱柱为SHIMADZU VP-ODS C18柱(4.6 mm×150 mm5 μm)流动相为0.05 mol/L磷酸氢二钠溶液(用85%磷酸溶液调节pH值至2.5)-乙腈-甲醇(42.5∶47.5∶10)流速为1.0 ml/min 检测波长为254 nm。

Disodium hydrogen phosphate anhydrous.

二钠氢 磷酸无水的应该对的。

Disodium petroleum cyclocarboxylic monoethanolamine sulfosuccinate was synthesized from petroleum cyclocarboxylic acid methyl ester via amidation,esterification and sulfonation.

利用石油环烷酸原料合成出石油环烷酸单乙醇酰胺磺基琥珀酸单酯二钠盐。

Objective To explore the therapeutic efficacy of combination of calcium disodium chelate, trace tlements misture and calcium gluconate for the treatment of chronic plumbism.

目的 探讨依地酸二钠钙(CaNa2EDTA)联合微量元素合剂及葡萄糖酸钙对慢性铅中毒的治疗效果。

Objective To establish bacterial endotoxin test of Cytidine Disodium Triphosphate Injection instead of pyrogen method.

目的通过试验确定三磷酸胞苷二钠注射液细菌内毒素的具体检测方法。

BK-52. The optimal conditions were found to be 30°C, pH 7.0, fermentation time 36 h, car-bon source of saccharose, inorganic nitrogen source of ammonium sulfate and enzyme inducer of disodium cis-epoxysuccinate.

最佳发酵条件为：最佳温度30°C，最佳pH7.0，最佳发酵时间36 h，最佳碳源蔗糖，最佳无机氮源硫酸铵，最佳酶诱导剂顺式环氧琥珀酸二钠。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。