目的建立测定复方利血平氨苯蝶啶片中氢氯噻嗪、硫酸双肼屈嗪和氨苯蝶啶含量的方法。
Objective To establish an HPLC method for simultaneous determination of hydrochlorothiazide, dihydralazine sulfate and triamterene in compound reserpine-triamterene tablets.
采用电化学等方法研究了硫酸镍和水合肼对化学镀锡层厚度及表面形貌的影响。
The effect of nickelous sulfate and hydrazine on thickness and appearance of electroless tin coatings were studies by electrochemical methods.
以稀硫酸为吸收液,铂工作电极为安培检测器,用离子色谱法测定空气中的微量肼。
Used diluted sulfuric acid as absorbent and ampere detector for determining Trace hydrazine in air with ion chromatography.
方法原甲酸三乙酯与氰乙酸乙酯缩合,然后和羟乙基肼经环合、水解等一锅法合成5-氨基吡唑-4-甲酸,然后在亚硫酸钠存在条件下加热脱羧得到5-氨基-1-羟乙基吡唑。
METHODS 5-amino-1-hydroxyethyl pyrazole-4-carboylic acid was synthesized through condensation of ethyl cyanoacetate and triethyl orthoformate followed by one-pot methodology of cyclization, hydolysis.
采用溶液还原法,以硫酸镍为原料,水合肼为还原剂制备了超细和纳米镍粉。
Synthesis of ultrafine nickel powder by solution reduction technique and effect of the dispersant;
采用溶液还原法,以硫酸镍为原料,水合肼为还原剂制备了超细和纳米镍粉。
Synthesis of ultrafine nickel powder by solution reduction technique and effect of the dispersant;
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