ECO2公司创造出第一个无水回收流程,采用一种玉米基的生物可分解溶剂液。它能溶解后接着被提取出来,因此可以重复使用。
ECO2 created the first waterless recycling process, employing a corn-based, biodegradable liquid solvent that dissolves buildup and is then distilled so it can be reused.
测试样本- - -当样品是可溶性固体,取适当质量,准确称量,溶解至无水甲醇或其他合适的溶剂中。
Test Preparation - Where the specimen is a soluble solid, dissolve an appropriate quantity, accurately weighed, in anhydrous methanol or other suitable solvents.
汽油、无水甲醇与某些溶剂的混合液已被用作汽车发动机的燃料。
Fuel blends containing gasoline, anhydrous methanol and some solvents have been developed and used for automobile engines.
如果用三叔丁基羟基作为氨基保护基团使用,应用酸来将其脱去,如以盐酸和异丙醇为溶剂或无水三氟乙酸。
If the tertiary butyloxycarbonyl group is being used as amino-protecting group, its removal is effected with acid, such as HCl and isopropanol as a solvent or with trifluoroacetic acid neat.
利用无水乙醇作为溶剂,比较了冰乙酸、氯化钙这两种添加剂对悬浮液以及沉积过程的影响。
The pearl powder suspension was prepared using the alcohol as the solvent and the influence of additives on the deposition was investigated.
用新的溶剂变更法生长TGS单晶,即在TGS水溶液中缓慢加入无水乙醇而使TGS结晶析出。
TGS single crystals can be grown by the method of changing solvent, i. e. , adding ethyl alcohol to the aqueous solution of TGS.
反应后用二氯甲烷萃取,无水硫酸钠干燥,除去溶剂后得到纯净产物。
After reaction, the purified product was obtained through extraction with dichloromethane, drying with anhydrous sodium sulfate and desolventizing.
该方法不使用难以操控的无水氟化氢溶剂或者需要的昂贵设备或复杂的操作。
This method does not use an anhydrous hydrogen fluoride solvent which is hard to handle, or require expensive equipment or complicated operations.
结果无水甲醇是浸提三七中皂苷类化合物的较理想溶剂,以三七皂苷r 1为标准品测得该提取液中总皂苷含量为12.3%。
Results the optimal solvent was anhydrous methanol, and the content of total saponins was 12.3% with the standard product R1.
分别以无水乙醇及体积比为1:1的无水乙醇与苯的混合溶液为溶剂,以二硫化碳和单质硫为硫源。
Absolute ethanol and a mixed solution of ethanol and benzene with the volume ratio of 1:1 are used as the solvents, and carbon disulfide and sulfur powders as the sulfur ions source, respectively.
所述有机溶剂为无水乙醇。
产品以无水葡萄糖为载体,并可根据用户需要转换载体,或制成水溶液(或其他溶剂的浓缩液)。
Anhydrous glucose is used as carrier which can be converted to other carrier or aqueous solution(other solvents) according to user need.
实验表明,山稔子水、无水乙醇、甲醇、50%甲醇、正己烷和乙酸乙酯的提取物对猪油和花生油均具有抗氧化作用,而且其抗氧化作用的强弱与溶剂的极性直接相关。
The results showed that all the water, alcohol, methanol, 50% methanol, n-hexane and acetic ester extracts have antioxidation on lard and peanut oil.
实验表明,山稔子水、无水乙醇、甲醇、50%甲醇、正己烷和乙酸乙酯的提取物对猪油和花生油均具有抗氧化作用,而且其抗氧化作用的强弱与溶剂的极性直接相关。
The results showed that all the water, alcohol, methanol, 50% methanol, n-hexane and acetic ester extracts have antioxidation on lard and peanut oil.
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