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butanol

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butanol n.【化學】丁醇(＝ butalalcohol).

n. 【化學】丁醇(＝ butalalcohol). “acetone butanol“ 中文翻譯：   丙酮丁醇“butanol bacteria“ 中文翻譯：   丁醇細菌“butanol fermentation“ 中文翻譯：   丁醇發酵“butanol in bulk“ 中文翻譯：   丁醇“chloro butanol“ 中文翻譯：   三氯叔丁醇,氯丁叔“ethyl butanol“ 中文翻譯：   乙基丁醇“iso butanol“ 中文翻譯：   異丙醇“n butanol“ 中文翻譯：   正丁醇“n-butanol“ 中文翻譯：   正丁醇“normal butanol“ 中文翻譯：   正丁醇“tert-butanol“ 中文翻譯：   叔丁醇“tertiary butanol“ 中文翻譯：   叔丁醇“acetone butanol bacteria“ 中文翻譯：   丙酮丁醇細菌“acetone butanol fermentation“ 中文翻譯：   丙酮丁醇發酵; 丁基丙酮發酵“acetone-butanol bacteria“ 中文翻譯：   丙酮丁醇細菌“acetoxy 3 butanol“ 中文翻譯：   醋酸基甲基丁醇“butanol concentration tower“ 中文翻譯：   丁醇提濃塔“butanol extractable iodine“ 中文翻譯：   丁醇提取碘; 丁醇提取磺試驗“butanol insoluble iodine“ 中文翻譯：   丁醇不溶性碘“butanol-acetone bacteria“ 中文翻譯：   丁醇丙酮菌“butanol-extractable iodine“ 中文翻譯：   丁醇提取碘; 甲狀素結合碘“di chloride normal butanol“ 中文翻譯：   二氯丁醇“dl-2-amino butanol“ 中文翻譯：   氨基丁醇“ethanol butanol amine“ 中文翻譯：   乙醇丁醇仲胺“butanoic anhydride“ 中文翻譯：   丁酐“butanoic acid“ 中文翻譯：   【化學】丁酸。

In order to study the influence factors of aoa of rose flowers , the effects of drying and extraction methods on the aoa of rose flowers were investigated . the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test , the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time , at the room temperature . the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum , diethyl ether , ethyl acetate and n - butanol in turn , and the various fractions “ aoa were analyzed 為了探討玫瑰花抗氧化活性的影響因子，比較了不同干燥方法、提取方法對其抗氧化活性的影響，發現：經短時高溫處理后再進行干燥有利于較好地保持玫瑰花的抗氧化活性；以水作溶劑提取時， 25 100范圍內水提液的抗氧化活性隨著溫度的升高而增強；通過正交實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為： 75乙醇為溶劑，液料比1 ： 10 ，提取3次，每次24h ； 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、正丁醇等有機溶劑進行兩相分部萃取，發現玫瑰花的抗氧化活性物質主要存在于乙酸乙酯部，說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物； 4

butanone

The anti - microbial activities of crude ethanol extract from aerial parts of sophora alopecuroides and its petroleum ether , chloroform , n - butanol and water fractions of sophora alopecuroides to pythium aphanidermatum , fusarium oxysporum f . sp . cucumerinum , fusarium oxysporum f . sp . lycopersici , alternaria solani , pseudomonas pachrymans and xanthomonas vesicatoria were tested by mycelial radial growth test and agar - well diffusion 本實驗采用帶毒平板菌絲生長法和瓊脂打孔藥劑擴散法測定了苦豆子地上部分乙醇粗提物及其石油醚、氯仿、正丁醇和水層的不同極性溶劑萃取物對瓜果腐霉、黃瓜枯萎病菌、番茄枯萎病菌、番茄早疫病菌、黃瓜角斑病菌和番茄瘡痂病菌的抗菌活性。

In the paper , blend composed membranes with different ratio of pva and sa have been prepared supported by hollow fiber ultrafiltration membrane of polysufone . the characterization of the blend membranes has been studied in the dehydration of methanol , isopropanol , n - butanol and tert - butanol . the influencing factors of operating temperature , feed concentration , and feed speed rate have been researched 此外，實驗中還制備聚乙烯醇與海藻酸鈉聚丙烯腈平板復合膜，分別對甲醇、乙醇進行滲透汽化脫水實驗，發現以聚丙烯腈為底膜的平板復合膜的分離因子比聚砜為底膜的中空纖維復合膜的高。

The results showed that the n - butanol and chloroform fractions had a stronger inhibitory activity to fungal growth and the n - butanol fraction had a stronger inhibitory activity to the bacteria , so that it was surmised that alkaloids in sophora alopecuroides were the major ant - fungal component , and flavonoid glycosides and triterpene glycosides in the n - butanol fraction had both anti - bacterial and anti - fungal activities 結果表明，正丁醇萃取部分和氯仿萃取部分對真菌生長有較強的抑制活性，正丁醇萃取部分對細菌亦有較強的抑制活性，推測苦豆子中的生物堿是主要的抗真菌成分，存在于正丁醇萃取部分的黃酮和三萜類配糖體等成分同時具有抗真菌和抗細菌活性。

In this study , n - bulanol for defatted igy was superior to water dilution ( wd ) . after igy was defatted wilh n - butanol , further purification of igy wilh sodium sulphate and ammonium sulphate sailing out were compared . as a result , the salting out procedure of ammonium sulphale was superior to sodium sulphate 蛋黃正丁醇去脂后應用飽和硫酸銨和飽和硫酸鈉兩種不同鹽析法純化igy進行比較，飽和硫酸銨略好于飽和硫酸鈉鹽析法，其純化后所獲得的產量達9 . 5mgigy / ml卵黃，天津醫科大學碩士學位論文純度94

In order to study the influence factors of aoa of rose flowers , the effects of drying and extraction methods on the aoa of rose flowers were investigated . the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test , the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time , at the room temperature . the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum , diethyl ether , ethyl acetate and n - butanol in turn , and the various fractions “ aoa were analyzed 為了探討玫瑰花抗氧化活性的影響因子，比較了不同干燥方法、提取方法對其抗氧化活性的影響，發現：經短時高溫處理后再進行干燥有利于較好地保持玫瑰花的抗氧化活性；以水作溶劑提取時， 25 100范圍內水提液的抗氧化活性隨著溫度的升高而增強；通過正交實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為： 75乙醇為溶劑，液料比1 ： 10 ，提取3次，每次24h ； 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、正丁醇等有機溶劑進行兩相分部萃取，發現玫瑰花的抗氧化活性物質主要存在于乙酸乙酯部，說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物； 4

The effects of different ratio of reactants , different solvent of oxalic acid agitating , drying , ploymer , znso4 concentration on zno powders were studied in the experiment of synthesis of zno nanoparticles by the chelate precipitation method . zno nanoparticles were 100nm on the average , narrow size and dispersed under the condition of 0 . 3mol / l znso4 , 1 : 2 mol ratio between znso4 and tartaric , not agitating , ethanol solution of oxalic acid with little peg and drying by azetropic distillation of butanol 在znso _ 4的濃度為0 . 3mol l 、 znso _ 4與酒石酸摩爾比為1 ： 2 、不攪拌滴加加有適量聚乙二醇的草酸乙醇溶液、沉淀物采用正丁醇共沸干燥的條件下，合成出平均粒徑為100nm 、均勻、團聚較少的納米氧化鋅。

These years we have developed strongly acidic macroreticular catalysts based on styrene dvb . catalyst resin d006 for mtbe tame etbe , also as catalyst use for producing tba by isobutene hydration and direct producing gasoline with high octane rating by light gasoline etherification . d008 for sba ipa , also can be used for making methyl ethyl ketone by acetone one - stepping process , tert - butanol by isobutene hydration , etherified gasoline by the etherification of isopentene and isohexene in light gasoline with methyl alcohol , high 以上，增強了催化活性，從而延長了使用壽命，提高了周期產量二低溫活性好，選擇性強，提高了mtbe的純度，降低了雜質含量三在同樣裝置中，可增大負荷，提高產量，降低生產成本和費用。

Deproteinized from crude polysaccharide by adopting sevag method . through orthogonal test , we found that the best constitution for extracting polysaccharide from porphyridium aerugineum 755 were as follow : alcohol concentration was 50 % , alcohol volume was 3 - fold time , percolation time was 1 . 5h , the volume ratio of glycoprotein solution to sevag reagent was 1 : 2 , time was 15min and sevag reagent was 4 : 1 between chloroform and butanol . the result also indicate that lactose and ( nh4 ) 2so4 were the best carbonic and nitrogen sources for polysaccharide respectively 研究結果表明，三種紫球藻的最佳提取工藝各不相同，銅綠紫球藻的最優提取工藝為乙醇濃度50 ，乙醇用量為3倍體積，醇沉時間為1 . 5小時；氯仿與正丁醇的比例4 ： 1 ，樣液與sevag試劑的比例1 ： 2 ，作用時間為15min ；由方差分析可得五種碳源和五種氮源對胞外多糖的影響不顯著，其中添加乳糖和( nh _ 4 ) _ 2so _ 4的培養基多糖產率最高，分別為37 . 296mg l和12 . 961mg l 。

The polysaccharide production were 37 . 296mg / l and 12 . 961mg / l . the best conditions for extracting polysaccharide from porphyridium purpureum were as follow : alcohol concentration was 75 % , alcohol volume was 2 - fold time , percolation time was 1h , the volume ratio of glycoprotein solution to sevag reagent was 1 : 2 , time was 45min and sevag reagent was 3 : 1 between chloroform and butanol . the result also indicate that nahco3 and nh4cl were the best carbonic and nitrogen sources for polysaccharide respectively 淡色紫球藻的最優提取工藝為乙醇濃度75 ，乙醇用量為2倍體積，醇沉時間為1小時；氯仿與正丁醇的比例3 ： 1 ，樣液與sevag試劑的比例1 ： 2 ，作用時間為45min ：由方差分析可得五種碳源和五種氮源對胞外多糖的影響不顯著，添加碳酸氫鈉和摘要nhoci的多糖產率最高，分別為41

The best condition for extracting polysaccharide from porphyridium cruentum were as follow : alcohol concentration was 50 % , alcohol volume was 1 - fold time , percolation time was 0 . 5h , the volume ratio of glycoprotein solution to sevag reagent was 2 : 1 , time was 45min and sevag reagent was 4 : 1 between chloroform and butanol . the result also indicate that sodium acetate anhydrous and nh4cl were the best carbonic and nitrogen source for polysa 血色紫球藻的最優提取工藝為乙醇濃度50 % ，乙醇用量為1倍體積，醇沉時間為0 . 5小時;氯仿與正丁醇的比例4 : 1 ，樣液與sevag試劑的比例2 : 1 ，作用時間為45min ;五種碳源的影響差異不顯著，氮源的影響差異顯著，其中添加無水乙酸鈉和nh4ci的培養基多糖產率最高，分別為33 . 784mg / l和40 . 997mg / l 。

Abstract : the anti - inflammatory effect of n - butanol extract of xanthocerassorbifolia bunge ( bex ) was studied in this paper . the ear edema resulted from dimethyl benzene , paw edema induced by carrageenin , the increase of vascular permeability caused by acetic acid , the chemotaxis of wbc induced by cmc and the weight of cotton granuloma in mice and hind paw edema induced by fresh egg white in rats were inhibited significantly by ig bex daily for 7 days , respectively . the carrageenin - induced paw edema was also inhibited markedly in adrenal - ectomiced mice . no changes in weight of adrenal and the concentration of vitamin c were observed , indicating that the anti - inflammatory effect of bex was not related to pituitary - adrenal system 文摘:文冠木正丁醇提取物對二甲苯致小鼠耳腫脹、蛋清致大鼠足腫脹、角叉菜膠致小鼠足腫脹、醋酸致小鼠腹腔毛細血管通透性增加、小鼠羧甲基纖維素囊中白細胞游走、小鼠棉球肉芽腫生長均有顯著的抑制作用，同樣劑量下，文冠木正丁醇提取物對角叉菜膠致去雙側腎上腺小鼠足腫脹仍有顯著的抑制作用，且對小鼠腎上腺重量及腎上腺中維生素c的含量沒有明顯影響。

Abstract : benzotriazole is a good corrosion preventive compound that can reacts with aldehyde and alcohol . the addition reaction is used to synthesize eight alkoxyalkyl benzotriazoles by benzotriazole , propionaldehyde and methanol , ethanol , propanol , iso - propyl alcohol , n - but anol , iso - butanol , sec - butanol , tert - butanol . their structures were confirmed by elemental analysis , ir and 1hnmr . the mechanism of addition reaction was discussed 文摘:利用苯駢三氮唑、丙醛分別和甲醇、乙醇、丙醇- 1 、丙醇- 2 、丁醇- 1 、丁醇- 2 、 2 -甲基丙醇- 1 、 2 -甲基丁醇- 2反應合成了八種烷氧基烷基苯駢三氮唑，通過元素分析、 ir 、 1hnmr對上述化合物的結構進行了測定，并討論了這類加成反應的歷程。

In addition , we also studied the effect of particle size in liquid phase dehydrogenation of 2 - butanol . the results show that the smaller particle size is favored of increasing catalytic activity 另外，我們比較了不同粒徑納米鎳粉的催化脫氫活性，結果表明在該反應中納米粒于粒徑越小其催化活性越高。

Although bp plans to start selling the stuff in the next few weeks ( mixed with petrol , to start with ) , the truth is that butanol is not all that much better than ethanol 英國石油公司（ bp ）計劃在幾周后開始銷售該產品（開始階段會將丁醇混合汽油） ，但事實是丁醇比乙醇強不到哪兒去。

Addressing an african conference on biofuels in addis ababa , ethiopia , in august , bokanga said one possibility is to move from ethanol to butanol fuel production 2007年8月，在埃塞俄比亞首都亞的斯亞貝巴的一次非洲會議上， bokanga說一種可能的產品是把燃料產品從乙醇轉變為丁醇。

Objective : to found a method to detect the residual solvents of penicillin sodium for injection : butanol , acetic ether and butyl acetate 摘要目的：建立一種氣相色譜法同時測定注射用青霉素鈉中有機溶劑丁醇、乙酸乙酯、乙酸丁酯殘留量的方法。

However , there has been little to no effort to promote butanol fuel because of historically low production yields compared to ethanol 然而，由于其歷來產量比乙醇要低很多，所以很少有甚至沒有什么努力去推進丁醇燃料的發展。

Standard test method for determination of mtbe , etbe , tame , dipe , methanol , ethanol and tert - butanol in gasoline by infrared spectroscopy 用紅外線光譜法測定汽油中mtbe etbe tame dipe甲醇乙醇和叔丁醇的標準試驗方法