查询词典 ethanol

Not only could the ethanol decoction reserve the characters of the water decoction, reducing the carene and pinene, but also it enriched the terpenes and reduced the fatty acids in the water decoction.

YL2000醇提制剂保留了水煎降低蒎烯和蒈烯含量的特点，而且进一步富集了水煎剂中的萜类有效成分，降低了脂肪酸类成分。

By separating the crude oligosaccharide products with various ratios of activated charcoal and Celite, the results indicate that the products from 30% lactose (L30) had an adsorption percentage of 96.3%, the highest one among all mixtures of activated charcoal and Celite. The following fractionation by eluting successively with 10% and 20% ethanol aqueous solutions gave an oligosaccharide yield of 13.5% and a purity of 97.9%.

合成的寡醣以不同比例活性炭和矽藻土吸附分离，结果发现30%乳糖组(L30)经单活性炭组吸附即有96.3 %的寡醣吸附力，是所有活性炭与矽藻土混合组别中最高者，再经10 %与20 %乙醇冲提画分后可得13.5 %的收率，其寡醣纯度更高达97.9 %。

Rising demand for biofuels has been blamed for pushing up the price of food. One solution to the problem might be, second generation ethanol, made from non-edible plant material - or cellulous. Producers are racing to find a cost-effective way of producing cellulosic fuel.

生质能源的需求增加，让粮食物价上涨，第二代的酒精其中一个可能的解决方法，以无法食用的植物或纤维为素材，制造商要快速找到有价值效率制造纤维燃料的方法。

To investigate the effect of surfactant self-assembling properties on the template synthesis of porous inorganic materials, the critical micelle concentration of surfactant cetyl trimethylammonium bromide was measured in both water and aqueous ethanol solvent using steady-state fluorescence techniques.

为了研究乙醇－水混合溶液中表面活性剂的自组装特性对多孔无机材料模板法合成的作用，采用稳态荧光法测定了乙醇－水混合溶剂的组成变化对十六烷基三甲基溴化铵临界胶束浓度的影响。

It can be used to purify the extract of Chaenomeles speciosa Nakai.30% and 50% ethanol showed better elution property.

DM-301型大孔吸附树脂表现出较好的综合性能，可以用于纯化资木瓜黄酮；用30%和50%的乙醇作为洗脱剂较好。

Results indicate that the optimum extraction conditions are as follows: ultrasonic power is 600W, temperature is 53℃, the ratio of liquid to solid is 8︰1, ultrasonic treating time is 70min, reflux extraction time is 120min, the extraction rate of oleanolic acid is 3.000 mg/g; XDA-1 resin is favorable in purification of OA in Chaenomeles sinensis Koehne, the optimum purification conditions are found to be 0.794 mg/mL of OA concentration, the flow rate of adsorption is 0.5 mL/min; the desorption solvent is 90% ethanol, and the flow rate of elutant is 1.0 mL/min.

结果表明，超声波辅助提取最佳工艺条件为：超声功率600 W、提取温度53℃、液料比8：1、超声波提取70 min，回流提取120 min，齐墩果酸得率为3.000 mg/g；XDA-1型大孔树脂对齐墩果酸具有较好的吸附和解吸效果，最佳纯化工艺条件为上柱液浓度0.794 mg/mL，吸附流速0.5 mL/min；以90%浓度乙醇洗脱，洗脱流速1.0 mL/min，纯化后得提取物中齐墩果酸纯度可达26.55%。

Synthesis of ethyl chloroacetate with chloroacetic acid and ethanol catalysed by GdCl2-EDTB-H3SiW12O40was investigated.

研究了反应时间、醇酸比、带水剂用量及催化剂用量对杂多酸化合物GdCl2-EDTB-H3SiW12O40催化合成氯乙酸乙酯的影响，确定了最佳反应条件，醇酸摩尔比1.5∶1，带水剂量10mL，催化剂使用量为酸的1.0%，反应时间2.5h

The optimum synthetic conditions of ethyl chloroacetate are: molar ratio of chloroacetic acid to ethanol is 1:8, the quantity of catalyst[Fe2(SO4)3 xH2O] is 10% of the mass of chloroacetic acid, reaction time is 1 hour, 5A zeolite was used as dehydrating agent. In these conditions, the yield of ethyl chloroacetate was up to 73%.

用Fe_2(SO_4)_3·xH_2O作为催化剂合成氯乙酸乙酯的较佳反应条件是：酸醇物质的量之比为1：8，催化剂用量为氯乙酸质量的10％，以5A分子筛作为脱水剂，回流时间1h，收率达73％以上。

In addition, the activties of different catalyst were compered. The test proved the chloroplatinic acid– ethanol catalyst provides high yields of addition products without the formation of undesirable by-products, to provide the possibility of using less rigorous reaction condition, to provide a catalyst material, which is effective at low concentrations.

实验过程中特别对不同催化剂进行了比较，其中氯铂酸—乙醇催化剂提高了加成反应的产率，没有副产物生成，不需要苛刻的反应条件，在低浓度时有很好的催化效果。

The adsorption properties of theadsorbent for cholic acid from ethanol solution are discussed.

结果表明，树脂对乙醇溶液中胆酸的吸附过程是焓控制的过程。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新