- 更多网络例句与硝饼相关的网络例句 [注：此内容来源于网络，仅供参考]
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The synthesis method comprises the following steps: adding 2-( 5-(dimethylamino methyl- 2- furyl methyl sulpho ethylamine and 1- methylthio- 1- methylamino- 2- nitro ethylene with a molar ratio of 1.04: 1 into water, heating to 48- 52 Deg. C, reacting 4.5 hours with a vacuum degree of 0.02- 0.05 MPa, cooling, adding sodium-hydroxide of concentration of 10% to regulate the PH value to 11.0- 11.4, filtrating and cooling the filtrate to 0- 2 Deg. C, crystallizing for 12 hours, centrifugally filtrating, and rinsing filter cake with purity water to prepare wet ranitidine alkali; dissolving ranitidine alkali in alcohol and reacting with chlorhydric acid to prepare ranitidine hydrochloride.
合成方法包括：将摩尔比为1.04∶1的2-(5-(二甲氨基甲基-2-呋喃基甲基硫代乙胺与1-甲硫基-1-甲胺基-2-硝基乙烯加入水中，升温至48-52℃，于真空度0.02～0.05MPa反应4.5小时，反应完毕降温，用10％氢氧化钠溶液调pH＝11.0-11.4，抽滤，滤液降温至0～2℃，结晶12小时，离心甩滤，用纯化水漂洗滤饼，得雷尼替丁碱湿品；将雷尼替丁碱溶于乙醇中与盐酸反应，制备得到盐酸雷尼替丁，产品符合欧洲药典标准。
- 更多网络解释与硝饼相关的网络解释 [注：此内容来源于网络，仅供参考]
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niter cake：硝饼
nipple 螺纹接口 | niter cake 硝饼 | nitrate 硝酸盐
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nitrate：硝
如罐头食品中含的防腐剂,热狗、香肠,腌肉内含的硝(Nitrate)及硝酸钠 (Sodium Nitrite)、油炸的碳水化合物 (Carbohydrate)、如马铃薯饼及薯条中所含的丙烯氨基酸 (Acrylamide).
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salt cake：盐饼;芒硝
salt bridge . 盐桥 | salt cake 盐饼;芒硝 | salt catch 晶盐受器
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salt cake：芒硝;盐饼
salt brine 盐水 | salt cake 芒硝;盐饼 | salt cellar 盐碟;盐瓶
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saltcellar：盐碟;盐瓶
saltcake芒硝;盐饼 | saltcellar盐碟;盐瓶 | saltcontent含盐量