Eight hydrazone Schiff bases have been synthesized by the reaction of salicylaldehyde, o–vanillin, 2-hydroxy-1-naphthaldehyde with nicotinic or isonicotinoyl hydrazide in anhydrous ethanol respectively; Three thiosemicarbazone Schiff bases have been synthesized by the reaction of salicylaldehyde, o–vanillin, o–hydroxyacetophenon with thiosemicarbazide in hydrous-ethanol respectively.

主要包括以下五部分的工作： 1、以水楊醛一级特黄a大片录像、鄰香草醛、鄰羥基萘甲醛日日人人摸人操人、鄰羥基苯乙酮分別與煙酰肼和異煙酰肼按1：1的比例在無水乙醇中反應在线观看黄日本高清视频，制備了八種酰腙類Schiff堿a片免费在线观看网址；以水楊醛、鄰香草醛91九色国产老熟女、鄰羥基苯乙酮與氨基硫脲在水-乙醇混合溶劑中反應日韩系列免费精品视频在线观看，合成了三種Schiff堿配體，并對Schiff堿配體的結構進行了表征先锋av资源网站。

To improve the quality of fuel: ethanol in gasoline motor ethanol is a renewable form of energy, but also is an excellent quality of the gasoline improver.

降低尾氣有害排放：汽車有害尾氣的排放一级做a爱片姓色毛片，特別是在人口密度較大、車流量較大的區(qū)域和城市桃色国产第二页，已成為一種嚴重的環(huán)境污染源伊人玖草。

Systematic isopiestic measurements have been made at the temperature 298.15K for the quaternary system {water (A1)+methanol (A2)+sodium bromide + ammonium bromide} with the mass ratios of water: methanol=9∶1 and 4∶1 and for the quinary system {water (A1)+methanol (A2)+ethanol (A3)+sodium bromide +ammonium bromide} with the mass ratios of water: methanol: ethanol=18∶1∶1 and 8∶1∶1, which were the first isopiestic determining examples for mixed solvent systems.

本文系統(tǒng)地測定了298.15K時混合溶劑各組元質量比為w〓∶w〓＝9∶1和4∶1的四元系{H〓O+甲醇(A2)+NaBr+NH〓Br}和w〓∶w〓∶w〓＝18∶1∶1和8∶1∶1的五元系{H〓O(A1)+甲醇(A2)+乙醇(A3)+NaBr+NH〓Br}的等壓平衡，是混合溶劑體系等壓性數據的首例美女黄色插插插视频。

Based on the ability of Schizosaccharomyces pombe to ferment inulin-containing extracts into ethanol, the production of fuel ethanol by simultaneous saccharification and fermentation using Jerusalem artichoke flour as raw material was presented.

利用粟酒裂殖酵母能發(fā)酵菊芋未水解糖液高產乙醇的特點提出了以菊芋粉為原料国产精品麻豆A片大全，同步糖化發(fā)酵生產燃料乙醇的新工藝。

Ethanol production by fed-batch fermentation was investigated and the maximum ethanol concentration of 94.81 g/L, equivalent to 81.54% of its theoretical value, was reached with final Jerusalem artichoke flour of 300 g/L in a 5 L jar fermenter.

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The effects of raw material treatment, Jerusalem artichoke flour concentration, initial pH value on the ethanol fermentation performances of Schizosaccharomyces pombe were investigated in a shaking flask, at the same time, the effects of the constant-pH fermentation and the uncontrolled-pH fermentation, aeration rate on the ethanol fermentation were also studied in a 5 L jar fermenter.

在搖瓶中考察了原料預處理方法、原料濃度和初始pH值對乙醇發(fā)酵的影響欧美自拍日韩专区在线，進而在5 L發(fā)酵罐中考察了未調控pH值和恒定pH值與通氣情況對乙醇發(fā)酵的影響亚洲日韩深夜福利高清。

The effects of Cortex phellodendri alkaloid on splenic lymphocyte proliferation after heat stress were detected by MTT chromatometry.On the basis of the above detection,CPAs extracted by limewater,ethanol,sulfuric acid water and the mixture of sulfuric acid-and-ethanol were choosen.

采用MTT法測定了熱應激后小鼠脾淋巴細胞增殖的情況，以此作為醇提亚洲免费在线观看视频、堿提国产对白放荡AV、酸醇提、酸提4種提取方法所得黃柏生物堿的篩選依據欧美、日韩黄片；采用ELISA法測定了醇提黃柏生物堿對熱應激后小鼠脾淋巴細胞IFN-γ未满18勿入网站、IL-4分泌水平的動態(tài)影響。

The reliability of the results of MD was investigated by means of the study of the Partial Molar Volume of ethanol in supercritical CO_2-ethanol system ranging from 308.15K to 328.15K and 11MPa to 15MPa.

本研究對超臨界水氧化的工藝研究具有指導意義97在线视频人妻无码一期。在本文的最后部分欧美综合色一区二区三区，在溫度為308.15～328.15K，壓力為11～15MPa范圍內測得了CO_2-乙醇體系中乙醇的偏摩爾體積sesesese。

Then the mouse embryos at the stage of 2-cell, 4-cell, 8-cell and morula were cultured in Whitten's medium with 1.0% and 3.0% ethanol to see the sensitivity of mouse embryos to ethanol.

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Even George Bush, a former oilman with a devout following in the industry, called last week for more research into ethanol and biodiesel — two key types of biofuels — and boldly predicted that "ethanol will release gasoline consumption".

即使是喬治-布什這位對石油工業(yè)極為忠心耿耿的前石油人cao女人，上個星期也提出要增加對乙醇和生物柴油——兩種主要的生物燃料——的研究欧美黄色一级A片视频，他還大膽地預測說"乙醇燃料將緩解人們對汽油的消費需求"。