It is sparingly soluble in water, less soluble in ethanol and cyclohexane, insoluble in fats and fat soluents. 它少量溶于水,较小溶于乙醇和环已烷,不溶于脂肪和脂肪剂。
For the moment, technological advances are supporting ethanol and biodiesel's place in the global fuel mix. 眼下,科技进步为乙醇和生物柴油在全球燃料结构中的地位提供了支持。
Dinneen says ethanol is reducing dependence on foreign oil and holding down the price of gasoline. Dinneen说乙醇的使用减少了对国外石油的依赖,压低了汽油的价格。
Sweet potato is one of the major feedstock for the fuel ethanol production in China. 甘薯是我国燃料乙醇生产的主要原料之一。
Steady Iron_sulfur nanoclusters were synthesized in the mixed solvent of water and ethanol with surface modification method. 采用表面修饰的方法在水醇的混合溶剂中制备出了在空气中性能稳定的纳米铁硫簇。
It was important for ethanol production using cellulose in industrial application. 这对工业生产中利用纤维素为原料发酵生产酒精具有重要意义。
The coupling of acetone-butanol fermentation and ethanol fermentation could realize water recycling use and reduce the sewage discharge greatly. 将丁醇发酵与乙醇发酵偶联起来,实现了水的循环利用,同时大大减少了污水的排放量。
Taking ethanol as a solvent, the experimental condition of extracting red pigment of grape was determined. 通过实验确定了用乙醇作为溶剂进行溶液萃取法制备葡萄红色素的实验条件。
The effects of the use of ethanol compound enzyme on high-concentration mash fermentation of corn ethanol were investigated. 探讨了添加酒精复合酶对玉米酒精浓醪发酵的影响。
The study realized the good blocking of isocyanate by sodium bisulfate with the mixing solvent of ethanol and water. 选用乙醇和水作为溶剂,实现亚硫酸氢钠对异氰酸酯的良好封闭。
There are several varieties of biofuel, which include ethanol, methanol, biodiesel and compressed natural gas. 有几个品种的生质燃料,其中包括乙醇、甲醇、生物柴油和压缩天然气。
Fermentation of D-xylose for Ethanol Production by Pichia Stipitis The yeast's growth is activated by sugar and warmth. 树干毕赤酵母发酵木糖生产燃料乙醇酵母发酵是由于糖和温暖的温度激发的。
And water and ethanol are both volatile. 水和酒精都是可挥发的。
The very high gravity fermentation of ethanol with fresh sweet potato by Saccharomyces cerevisiae was studied. 本研究采用酿酒酵母以鲜甘薯为底物进行了快速高浓度乙醇发酵的研究。
The synthesis of the low molecular weight polyacrylamide was imvestigated in the mixed solvents of ethanol and acetone. 以乙醇和丙酮为混合溶剂合成了低分子量聚丙烯酰胺。
The product in ethanol, acetone, chloroform or ether, soluble, almost insoluble in water; 本品在乙醇、丙酮、氯仿或乙醚中易溶,在水中几乎不溶;
Ethyl tert butyl ether is synthesized from ethanol and tert butyl alcohol by reaction distillation. 以乙醇和叔丁醇为反应物,采用反应精馏法合成了乙基叔丁基醚。
This product is slightly soluble in water, slightly soluble in ethanol, insoluble in benzene. 本品在水中略溶,在乙醇中微溶,在苯中不溶。
Its temperature and ethanol tolerance increased by7% and33% respectively. 耐高温和耐酒精能力分别提高了7%和33%。
Approaches to the resource recycling of cassava ethanol wastewater are introduced, and anaerobic treatment is expounded in detail. 介绍了木薯酒精废水资源化利用的各种方法,详细阐述了厌氧生物处理方法。
Ethanol and other biofuels consume large amounts of agricultural commodities such as corn and rapeseed. 乙醇和其它生物燃料需要消耗大量大宗农产品,如玉米和油菜籽。
This review article summarized the lignocellulosic ethanol processes such as pretreatment, hydrolysis and fermentative. 该文主要综述了纤维素乙醇的预处理、水解和发酵三个过程。
This product is dissolved in acetone or chloroform, in water or slightly soluble in ethanol. 本品在或氯仿中溶解,在水或乙醇中微溶。
The contents of total polyphenols and flavonoids of ethanol extracts from six kinds of bee pollens were determined. 对六种不同蜂花粉中多酚及黄酮类物质进行定量,并且进行了醇提物抗氧化性的初步探讨。
The research development on ethanol fermentation by mixed-culture was reviewed. 综述了近年来混合培养在酒精发酵研究中的进展情况。
Acetobacter and Gluconobacter can be allowed to oxidize the ethanol to acetic acid and form a wine vinegar. 醋酸杆菌和葡萄糖酸菌可以用来氧化乙醇而得醋酸形成一种葡萄酒醋。
It's just sodium carbonate and oxidized ethanol. 只是碳酸纳盐和氧化乙醇。
The determination of water content in fuel ethanol by gas chromatography was introduced. 研究了气相色谱法分析燃料乙醇中的水分。
This information can be used to bioengineer yeast cells that produce higher yields and concentrations of ethanol. 这些信息可用于生物工程酵母细胞产生较高的产量和乙醇的浓度。
This is necessary because yeast cannot utilize the starch in the cereal grains for conversion to ethanol and CO2. 发芽阶段是必须的,因为酵母不可能直接作用于谷物中的淀粉产生乙醇和二氧化碳。