查询词典 ethanol

The analysis of the components and contents of volatile material indicated that fruit of apples treated with 2 and 4ml/kg of ethanol increased the content and kinds of the characteristic volatile and improved flavor and quality in apple, while the fruit treated with 6ml/kg of ethanol produced higher contents of volatile material and developed off-flavor. Fruit of'Yar'pear treated with 2 and 4ml/kg of ethanol increased the sweet taste and aroma, but higher ethanol concentration showed off-flavor.

对苹果挥发性物质成分的分析表明，2及4ml/kg的乙醇处理增加了苹果特征风味挥发性物质的组分及含量，使水果呈现果香和花香，改善了苹果的品质，而6ml/kg的乙醇处理也能增加苹果果香，但由于强烈果香味的乙酸乙酯等组分在所增加的挥发性物质中所占比例较大，果实呈现浓烈的果香，并使果实的在口中的余味较差，在感官评价中稍差。2和4ml/kg的乙醇处理增加鸭梨甜味，并具有清爽的果香味，而高剂量的乙醇处理余味较差。4ml/kg乙醇处理，在挥发性物质组分数量上与对照差异不大，但却使乙醇形成酯类增加，使鸭梨果实呈现浓郁的果香。

As there exists azeotropic composition for high concentration ethanol/water mixture, the separation of ethanol/water based on distillation and ethanol dehydration consume a major part of energy in an ethanol production process.

具有较高乙醇浓度的乙醇/水混合物存在共沸组成，因此基于精馏的乙醇-水的分离及脱水在乙醇工业生产的能耗中占有很大的比例。

Lmt.The characteristics and novelty in this dissertation was obvious in the following aspects: cofermentation of glucose and xylose to ethanol by recombinant yeast S. cerevisiae ZU-10, ethanol production from hydrolysates of cellulose and hemicellulose in corn stover by recombinant yeast S. cerevisiae ZU-10, and integration of key technologies in ethanol production from lignocellulosic biomass. These results were meaningful not only in academic research, also in utilization of renewable lignocellulosic biomass, decreasing the production cost of fuel ethanol , and alleviating the world grain crisis.

本文在基因重组酵母对葡萄糖和木糖的共发酵、利用基因重组酵母厌氧条件下发酵玉米秸秆纤维素和半纤维素水解液生产乙醇、以及利用木质纤维原料生产乙醇的关键技术集成等方面的研究具有明显的特色与创新，相关研究结果不仅有一定的学术价值，而且在促进可再生木质纤维素资源的转化利用、缓解人类的粮食危机、降低燃料乙醇的生产成本等方面具有重要的现实意义。

Through comparison of energy inputs in corn fuel ethanol life cycle,fossil energy inputs of corn production and ethanol conversion processes were identified as the most important,and therefore nitrogen fertilizer,electivity and diesel used in corn farming and energy consumption of distillation and dehydration process in ethanol production could be known as the most influential factors for the energy benefit of corn fuel ethanol.

但是玉米燃料乙醇从原料的生产、乙醇的转化，一直到被燃耗的整个生命周期中的多个阶段需要直接或间接地消耗矿物能源，因而，虽然玉米燃料乙醇是可再生能源，然而是否具有可持续性及可持续性的大小则取决于其燃耗中所产生的能量与燃料乙醇整个生命周期中所消耗的能量相比是否有盈余及盈余的大小。20世纪70年代中期，玉米燃料乙醇的能量平衡问题研究首次在美国出现[2，3]，当时乙醇替代汽油的能量效益的有关研究指

Methods: animals were randomly classified into 5 groups: group a, gaster poured by physiological solution; group b, gaster poured by ethanol; group c, gaster poured by ethanol after hypophrenic vagectomy; group d, gaster poured by ethanol after big small splanchnicotomy; group e, gaster poured by ethanol after hypophrenic vagotomy and big small splanchnicotomy.the distribution of c fos positive neuron in central nervous system was displayed and immunohistochemical staining method was used.

取30只成年雄性wistar大鼠，随机分为5组，每组6只。a组：单纯生理盐水灌胃组；b组：单纯乙醇灌胃组；c组：膈下迷走神经切断乙醇灌胃组；d组：内脏大、小神经切断乙醇灌胃组；e组：膈下迷走神经和内脏大、小神经均切断乙醇灌胃组。运用免疫组化技术显示fos阳性神经元在大鼠中枢神经系统中的分布。

Methods: Animals were randomly classified into 5 groups: group A, gaster poured by physiological solution; group B, gaster poured by ethanol; group C, gaster poured by ethanol after hypophrenic vagectomy; group D, gaster poured by ethanol after big small splanchnicotomy; group E, gaster poured by ethanol after hypophrenic vagotomy and big small splanchnicotomy.

取30只成年雄性Wistar大鼠，随机分为5组，每组6只。A组：单纯生理盐水灌胃组；B组：单纯乙醇灌胃组；C组：膈下迷走神经切断乙醇灌胃组；D组：内脏大、小神经切断乙醇灌胃组；E组：膈下迷走神经和内脏大、小神经均切断乙醇灌胃组。

Methods: Animals were randomly classified into 5 groups:gaster-poured by physiological solution; gaster-poured by ethanol; gaster-poured by ethanol after hypophrenic vagotomy; gaster-poured by ethanol after big-small splanchnicotomy; gaster-poured by ethanol after hypophrenic vagotomy and big-small splanchni-cotomy.

动物被随机分为5组，每组10只。A组：单纯生理盐水灌胃组；B组：单纯乙醇灌胃组；C组：膈下迷走神经切断乙醇灌胃组；D组：内脏大、小神经切断乙醇灌胃组；E组：膈下迷走神经和内脏大、小神经均切断乙醇灌胃组。

objective to study the effects of ethanol extract of the huangqi on the skeletal muscles contractility in rats.methods the gastrocnemius and soleus muscle contractility were observed by stimulating the sciatic nerve with electricity after affusing stomach with ethanol extract of the200mg/kg dosage of huangqi for2weeks.results the ethanol extract of the huangqi could shorten latent period,increase maximal contractive extent and time and relaxative time at the twitch and complete tetanus of gastrocnemius and soleus muscles.conclusion the ethanol extract of the huangqi can enhance skeletal muscles contractility in rats.

方法］ 灌胃给予200mg/kg黄芪酒精提取液2周后，观察大鼠坐骨神经受刺激后腓肠肌及比目鱼肌的收缩力。［结果］黄芪酒精提取液缩短腓肠肌及比目鱼肌单收缩和完全性强直收缩潜伏期，增加单收缩最大收缩幅度，延长最大收缩时间及最大舒张时间；增加完全性强直收缩的最大收缩度，延长最大收缩时间。［结论］黄芪酒精提取液可增强大鼠骨骼肌的收缩力。

A set of apparatus for determining solid-liquid equilibrium data at atmospheric pressure has been established. The solubility of sebacic acid in water, 20% ethanol aqueous solution, 50% ethanol aqueous solution, 80% ethanol aqueous solution and ethanol were determined. Wilson equation, ideal thermodynamics equation and λh equation were applied to describe solid liquid equilibria data.

建立了一套常压固液平衡测定装置，测定了癸二酸在水、20％乙醇-水溶液、50％乙醇-水溶液、80％乙醇-水溶液、无水乙醇体系中的溶解度，并用Wilson方程、热力学简化方程和λh方程模型对实验数据进行关联。

On the inhibition to mycelial growth, the 95% ethanol extract had significantly inhibition to P. ultimum, F. oxysporum f. sp cucumber, R. solani and B. cinerea, and at the top treatment concentration of 0.002 g/mL, the inhibition rate reached to 60.32% 58.50%, 55.89% and 55.17%, respectively; But the 95% ethanol extract almost had no inhibition to S. rolfsii, its rate was just 17.19% at 0.002 g/mL.③On the inhibition to sprouting, the 95% ethanol extract had significantly inhibition to B. cinerea, R. solani, F. oxysporum f. sp cucumber and P. ultimum, and at the top treatment concentration of 0.002 g/mL, the inhibition rate reached to 95.24%, 90.48%, 89.47% and 85.71%, respectively; and the rate would exceed 40% to four fungi mentioned above when their concentration was not lower to 0.005g/mL. The 95% ethanol extracthad infirm inhibition to S. rolfsii, its rate was just 43.48% at 0.002 g/mL.

在抑制菌丝生长方面，鱼腥草95%醇提物对豌豆根腐病菌、黄瓜枯萎病菌、马铃薯立枯丝核病菌和大白菜灰霉病菌均有良好的抑制作用，在最高处理浓度为0.002 g/mL时抑制率分别达到60.32%、58.50%、55.89%和55.17%；对辣椒白绢病菌几乎没有抑制作用，在最高处理浓度为0.002 g/mL时抑制率仅为17.19%；③在抑制孢子萌发方面，鱼腥草95%醇提物对大白菜灰霉病菌、马铃薯立枯丝核病菌、黄瓜枯萎病菌和豌豆根腐病菌抑制效果明显，在最高处理浓度为0.002 g/mL时的抑制率分别达到95.24%、90.48%、89.47%和85.71%，且在处理浓度不低于0.000 5 g/mL时对以上4种真菌孢子的抑制率超过40%；对辣椒白绢病菌抑制作用较弱，在最高处理浓度为0.002 g/mL时仅为43.48%。

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。