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- Thefactors such as the catalyst, acid alcohol mole proportionality, water carrier and reactiontimes are studied as well as the yield which the process of reaction influences. 考察了催化剂、酸醇比、带水剂和反应时间等因素对产率的影响。
- This article researched the ways and the conditions how to use the acidity alcohol to extract the whole alkaloid inthe amorphaphallus konjak. 研究了用酸性醇浸渍法提取魔芋中总生物碱的方法和条件。
- This article researched the ways and the conditions on how to use the acidity alcohol to extract the whole alkaloidin the amorphaphallus konjak . 研究了用酸性醇回流法提取魔芋中总生物碱的方法和条件。
- The ways and the conditions how to use the acidity alcohol to extract the whole alkaloid in the amorphaphallus konjak are researched . 研究了用酸性醇溶液回流法提取魔芋中总生物碱的方法和条件。
- Method Under the room temperature,extract the filtered pigment solution from the acidic alcohol immersed with fresh Silktree Albizzia flower. 方法室温下,用酸性乙醇液浸泡新鲜绒花,过滤得色素提取液,然后对该色素的耐酸碱性、耐热性、耐光性、耐氧化还原性等理化性质进行测定和分析。
- Besed on the extract with 80% acidities alcohol,separation by silica gel,precipitation by ether,oxysophocarpine was obtained from Sophora flavescens. 采用80%25的酸性乙醇提取、硅胶柱层析分离、乙醚分级沉淀、丙酮重结晶的工艺方法,从苦参中分离得到氧化槐果碱单体。
- Mapping domains of long-chain fatty acid alcohol oxidase of candida cloacae 长链脂肪酸醇氧化酶的结构域谱分析
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗?那是个严峻的考验。
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- She dropped acid in high school. 她高中时代服迷幻药。
- The metal is fretted with the acid. 金属被酸腐蚀。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- The acid has eaten through the metal cover. 酸已把金属盖子蚀穿了。
- Keywords amorphaphallus konjak;alkaloid;acidity alcohol;extraction; 魔芋;总生物碱;酸性醇;提取;
- The worker's overalls were badly burned by acid. 这位工人的工作装被酸腐蚀得很厉害。
- An acid can react with a base to form a salt. 酸可以和碱起反应而生成盐。