查询词典 ethanol

The direct bioconversion process of cellulosic materials into ethanol involves the enzyme synthesis, cellulose and semicellulose hydrolysis, and ethanol fermentation using glucose and xylose.

植物纤维资源直接发酵生产乙醇涉及到酶的合成，纤维素的酶水解和葡萄糖、木糖的乙醇发酵等步骤，它们对最终发酵结果有着不同程度的影响。

PK values of 3-ethoxy-N-desmethyldiazepam (3-EtO-NDZ) in ethanol and acetonitrile containing various concentrations of sulfuric acid, determined by spectrophotometry and spectropolarimetry, were found to be 3.4 and 0.63 respectively. Temperature dependent racemization of enantiomeric 3-EtO-NDZ in ethanol containing various acid concentrations was studied by monitoring changes of ellipticity at 365 nm as a function of time on a spectropolarimeter.

3-乙氧基－N去甲基安定（3-EtO-NDZ；diazepam=安定）在含不同硫酸浓度的乙醇和乙腈中的pK值用光谱法和旋光光谱法作了测定，其结果分别为3.4和0.63.3-EtO-NDZ之对映异构体在含各种不同酸浓度的乙醇中与温度相关的消旋过程，用旋光光谱仪选择其圆二色谱在365nm波长处强度的改变为时间函数的方法作了测定。

The operation parameters include different starfruit weight, flow rate, extraction time, extraction pressure, extraction temperature, different addition volume of ethanol cosolvent, ethanol concentration and other extraction way.

以杨桃量、泄压流速、萃取时间、萃取压力、萃取温度、共溶剂乙醇的添加量与不同萃取方式等为操作变因，配合一次一变因法来进行探讨，以找出最佳萃取条件。

The optimum conditions were starfruit weight (30 g), flow rate (9 NL/min), extraction time (45min), extraction pressure (4500 psi), extraction temperature (65℃), addition volume of ethanol cosolvent (40 ml), ethanol concentration (80%) and static supercritical extraction.

实验结果发现，本次实验最佳条件为杨桃量30 g、杨桃颗粒大小为中颗粒、泄压流速9 NL/min、萃取时间45 min、萃取压力4500 psi、萃取温度65℃、共溶剂乙醇的添加量40 ml 、共溶剂乙醇浓度80 %及萃取方式 SFE-静态，所萃取出之多酚含量1.302 mg/ml 大於非超临界萃取而相同萃取条件下之多酚量0.979 mg/ml。

Triethyl citrate was synthesized from citrate acid and ethanol using FeCl3 as catalyst and ethanol as dehydrating.

以三氯化铁为催化剂，乙醇为带水剂，用柠檬酸和乙醇为原料合成了柠檬酸三乙酯。

To get more information of the function of human Era on cell cycle, the complete control inducible mammalian expression system was used to express human Era mutant and analyzed cell cycle of uninduced (add 1% ethanol) and induced (10μM Pon A) cell lines by flowcytometer, the primary results demonstrated human Era mutant could inhibit apoptosis induced by ethanol, and Era S36N may stimulate the expression of Bcl-2 as detected by Western Blot.

在构建稳定高表达蜕皮激素受体基因的细胞株3V3的基础上，转染突变型人Era的表达载体进行压力筛选，对所得到的单克隆细胞株进行诱导与未诱导条件下细胞周期的分析，结果表明未诱导加酒精的对照细胞可以引起细胞凋亡，而Era诱导表达后可以显著抑制凋亡细胞的数量，Western表明Era S36N可以诱导细胞Bcl-2表达，提示人Era可能与细胞凋亡相关。

The results showed that the addition leading to -2-phenyl-2-(2-vinylpiperidin-1-yl) ethanol 7 could proceed with good diastereoselectivity and excellent yield (95%).(3) The selective N-deprotection of -2-phenyl-2-(2-vinylpiperidin-1-yl) ethanol 2 without affecting the vinyl group in the substrate were untaken.(4) The Zip reaction for the transformation of -1-(3-aminopropyl)-3-methylazecan-2-one 8 to -7-Methyl-1, Sdiaza-cyclotetradecan-6-one 9 were undertaken. The results showed that, under controlled conditions, acceptable yields (43%) could be achieved and racemization can be minimized during the ring expansion reaction.

该合成路线与文献方法相比，反应条件较温和，也缩短了反应时间；(2)哌啶衍生物2与乙烯基格氏试剂进行加成反应的条件和立体选择性，取得了较好的结果（差向异构体比为80：20，产率95％左右）；(3)不饱和哌啶衍生物7在不影响碳碳双键的情况下去除苯基甘氨醇手性辅助基的条件；(4)具有羰基α位手性的氨基酰胺8在不同条件下经Zip重排反应转变为9的反应，控制反应条件，可使反应中消旋化减小到最小的程度。

Results Low-and high-dose 95% and 50% ethanol extracts and Jiannao Capsule group could improve the learning and memory ability of the Wistar rats, markedly enhance cerebral SOD activities and decrease the levels of MDA, and improved the suppressed activity of the hydroxyl free radical. Of them, high-dose 50% ethanol extracts exhibited the best effect. Conclusion The main effective extracts from Valeriana amurensis Smir.

结果 黑水缬草95%乙醇粗提物低、高剂量组，50%乙醇洗脱物低、高剂量组，中药对照健脑胶囊组均可增强模型大鼠的学习记忆能力，SOD活力显著增加，MDA含量降低，抑制羟自由基能力增强，尤以50%乙醇洗脱物高剂量组效果最佳。

Tolerance threshold of 2-cell mouse embryos to ethanol was around 1.5% when these embryos were cultured in Whitten's medium with 0, 0.1%,0.5%,1.0%, 1.5%, 2.0%, 3.0%, 5.0% and 10.0% ethanol, respectively.

用含不同浓度乙醇的Whitten氏培养液对小鼠2细胞、4细胞、8细胞和桑椹期胚胎分别进行体外培养，研究了乙醇对小鼠不同发育时期胚胎体外发育的影响。

Similarly, those for biodegrading ethanol are temperature of 25~30℃,pH of 5, flux of 0.06m3/h, and the maximal elimination capacity of 712.9g/m3 reactor/h . Moreover, the reactor for degrading ethyl acetate or ethanol is also stable in the long operation.

气升式环流生物反应器降解乙醇的优化条件为：温度范围为25～30℃，pH值为5，进气流量为0.06m3/h，反应器的处理能力最大为712.9g乙醇/m3 /h，且连续长时间的操作，反应器一直处于稳定的处理状态。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了