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- The waxes are classed as alcohol or organic solvent extracted materials. 这种蜡质属于乙醇有机溶剂的萃取物。
- The method extracting Glycyrrhizin from licorice by using the extraction material of alcohol ammonia was introduced. 介绍了用氨性乙醇作提取剂,从甘草中提取甘草甜素的方法。
- Many natural materials are becoming scarce. 许多天然原料越来越少。
- The beautiful curtain is made of remnant materials. 这个漂亮的窗帘是用零头布做的。
- Then the extracted material was sequently filtered and sperated by means of silica gel column chromatography. 提取物通过硅胶柱层析分离，得到无辣味的红色色素。
- Some synthetic materials do not crush easily. 有些化纤衣料不易起皱。
- Quality analysis of extracted material showed that rutin is the main component of flavonoids. 乙醇提取物的定性鉴定表明柚皮的抗氧化活性成分主要为黄酮醇类的芦丁。
- Everything we used was made from natural materials. 我们所用的一切都是由天然材料做成的。
- He buys the materials wholesale. 他成批地购买原材料。
- He is collecting materials for a book. 他正在为写书搜集素材。
- Building materials are expensive. 建筑材料很昂贵。
- Such an extract in a solution of alcohol. 酒精提取物酒精溶液中的提取物
- The bulb of Lycoris radiata was chosen as extraction material,the content of total alkaloids was used as index and water,ethanol and n-hexane used as solvents. 以石蒜鳞茎为试材,以石蒜碱计的总生物碱含量为指标,比较了以水、乙醇和正己烷为提取溶剂时三种提取工艺的优劣,确定乙醇为最优提取溶剂。
- He tried to extract his pole from the mud. 他试图用力将杆子从泥中拔出来。
- A bin for storing ore, grain, or other materials. 仓库储放矿石、谷物或其它材料的大箱
- He is gathering materials for a new book. 他正在收集资料准备写一本新书。
- Environmentalists are keen on degradable materials. 环保分子特别喜爱能够自然分解的材料。
- Recycled materials are mostly of limited use. 再生材料大多用途有限。
- All the raw materials are imported. 所有原料都是进口的。
- Stockings made of one of these synthetic materials. 尼龙长袜用这些合成材料制成的长袜
