The effects of acidity, reaction temperature, feeding mode, and rotational speed of the stirrer on the particle size of AC blowing agent were studied. The optimal conditions were obtained as follows: the catalyst composed with m:m(V2O5)=1:1 equal to 1%-2% ratio of the reagent''s mass,reagent reacts at 50℃ under pH=3-4 for 25min with 350～360r/min of the stirrer speed, and the NaClO3 solution must be added from burette.

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After cleaning skin with face cream, dorp proper essence on cotton bud with burette, then coating on acne cyst with the cotton swab, and gently press 1 to 2 minuts, making effective ingredients permeate into the skin.

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The titration of the sodium hydrogen carbonate content in medicinal sodium bicarbonate tablet was compared with microburette under syringe control made on our own with conventional burette.

藥用小蘇打片中NaHCO3的微型滴定分析楊左海（咸寧醫(yī)學(xué)院化學(xué)教研室湖北437100關(guān)鍵詞小蘇打片碳酸氫鈉微型滴定法常規(guī)滴定法中圖分類號O655.22小蘇打片為NaHCO3加淀粉等壓制而成黄色网一区二区，用于堿化尿液及酸血癥，也可用于胃酸過多久久99精品国产超碰超。

The invention provides a method for preparing a tube-shaped cathode of a direct methanol fuel cell, belonging to the fuel cell field and comprising the steps of: dispensing a single solution for gel injection molding at first, then adding a mesophase bituminous coal micro ball into the single solution and stirring evenly to obtain stable slurry, then casting the slurry into a die, preserving heat until the single solution reacts with a cross-linker completely to obtain a carbon-biscuit, after drying and sintering the biscuit in vacuum, preparing a diffusion layer and a catalyst layer on the surface by dipping process, and then coating polyester electrolyte membrane with a burette, rolling the carbon on a warm table to solidify the electrolyte membrane.

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The weight variation,resolving time and grain roundness were used as criteria in the best dripping condition.results the optimum dripping condition was as the follows:the temperature was 90℃,the internal diameter of burette was 4.5 mm,dripping speed was 50 drops per minute,and dripping distance was 6 cm.conclusion the moulding technics are feasible and in accordance with the quality standards of total salvianolic acid dripping pills.

結(jié)果 最佳工藝條件為：藥液溫度90 ℃日韩在线二区网站，滴頭內(nèi)徑4.5 mm，滴距6 cm日本色区，滴速50滴/min无码超碰一区二区。結(jié)論確立的成型工藝可行，所制滴丸符合質(zhì)量標準九九精选视频。