氧化纖維素 的英文怎麼說
中文拼音 [yǎnghuàxiānwéisù]
氧化纖維素
英文
cellulose oxydate- 氧 : 名詞[化學] (氣體元素) oxygen (o)
- 纖 : 纖形容詞(細小) fine; minute
- 維 : Ⅰ動詞1 (連接) tie up; hold together; link 2 (保持; 保全) maintain; safeguard; preserve; keep ...
- 素 : Ⅰ形容詞1 (本色; 白色) white 2 (顏色單純) plain; simple; quiet 3 (本來的; 原有的) native Ⅱ名...
- 氧化 : [化學] oxidize; oxidate; oxide; burning; rust; oxygenize; oxido-; oxy-
- 纖維素 : [化學] cellulose
- 纖維 : fibre; staple; filamentary
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Using refined cotton, chloroacetic acid, sodium hydroxide and hydrogen peroxide as main feedstock, sodium carboxymethyl cellulose was made by the process of basification, etherification, abstersion and drying
摘要以精製棉、氯乙酸、氫氧化鈉和過氧化氫為原料,經過堿化、醚化、洗滌、乾燥,制得羧甲基纖維素鈉。Meanwhile adopting two - step process of viscosity - decreasing method, i. e. adding hydrogen peroxide during the process of basification and abstersion to decrease the viscosity of alkaline cellulose, as a result the sodium carboxymethyl cellulose with ultra low viscosity was obtained
同時,採用二步降粘法,在堿化及洗滌過程中加入過氧化氫,以降低纖維素鈉的粘度,制得超低粘度的梭甲基纖維素鈉。Besides acting as agent of huzhou zhanwang pharmaceutical co., ltd. for a variety of adjuvant, we are also the agent for many imported adjuvant, such as new zealand wyndales lactose ; germany basfs vitamins and direct compression excipients ; france roquettes polyatomic alcohol ; germany sasols polyglycol ; switzerland givandans powdery flavoring essence ; usa cabots gas silica ; italy randi groups tartaric products ; uk crodas tween and span ; japan asahikaseis microcrystalline cellulose ; usa noveons carbopol resin, etc
我公司除代理湖州展望化學藥業有限公司各種輔料,同時代理多家進口輔料,諸如:紐西蘭乳糖系列產品、德國巴斯夫公司維生素系列產品及直接壓片輔料;法國羅蓋特多元醇系列產品;德國沙索公司聚乙二醇系列產品;瑞士奇華頓粉末系列香精;美國卡博特公司氣相法二氧化硅;義大利拉第集團天然酒石酸系列產品;英國禾大公司吐溫,司盤系列;日本旭化成公司微晶纖維素系列產品;美國諾譽公司卡伯波樹脂系列等。Ethyl cellulose was synthesized successfully in one - step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent
摘要採用纖維素與過量的氯乙烷及氫氧化鈉反應,以甲苯為稀釋劑,用一步法成功地合成了乙基纖維素。The peak times of amylase, cmc enzyme, cellulose, laccase, guaiacol oxidase and polyphenol oxidase were the 10th day, the 12th day, the 12th day, the 14th day, the 16th day and the 16th day respectively. it indicated that phellinus igniarius has the capability of discomposing amylum, cellulose and lignose
澱粉酶、 cmc酶、纖維素酶、漆酶、愈創木酚氧化酶、多酚氧化酶的活性高峰分別出現在第10d 、第12d 、第12d 、第14d 、第16d 、第16d ,說明桑黃對澱粉類物質、纖維素類、木質素類物質均具有降解能力。Produces carboxymethyl cellulose, thiourea dioxide, cmc, tdo, sodium hydrosulfite
羧甲基纖維素鈉二氧化硫脲保險粉The metabolism of these extreme microbes during the production of maotai liquor would further produce multiple enzymes of thermal stability such as amylase, protease, saccharifying enzyme, cellulose, glucase, xylanase, and each kind of dehydrase involved in redox reaction, and dna polyase etc
茅臺酒釀造過程中極端釀酒微生物代謝產生多種熱穩定性的酶,如澱粉酶、蛋白酶、糖化酶、纖維素酶、葡萄糖甘酶、木聚糖酶、參與氧化還原反應的各種脫氮酶、磷酸烯醇丙酮酸激酶及dna聚合酶等。Tree ring is a kind of natural archives, on which the isotopic analysis is important to study global climate and environmental change. the authors mainly provide a comprehensive introduction to the fractionation models of carbon, hydrogen and oxygen isotope in plants, their research techniques and the extract methods from cellulose. that results show isotopic tracer can record the message of climatic variation and has become a powerful tool for paleoclimate reconstruction and for the modern environment changing research. especially studying on pages, the cellulose isotopic analyses of imbedded old tree ring have become the mainly quantitative means of environmental evolvement. in addition, china is a typical monsoon country, research in tree ring stable isotope seasonal variation can give us a lot of important information on that. up to now, the research techniques and works on tree ring in our country are still in its earlier stage, and remain many limitations. it needs further accumulate basic research materials, intensify regional contrast and intercross studies on relative subjects
尤其是在過去全球變化pages研究中,埋藏古木纖維素中的碳氫氧同位素分析已成為環境演化研究的主要量化手段。另外,對于中國這樣典型的季風氣候國家,開展樹輪穩定同位素隨季節性變化的研究具有重要的意義。我國在樹輪研究方面起步較晚,研究方法和研究內容上也比較簡單,還存在不小差距,既要進一步積累基礎資料,又要做區域對比,加強與相關學科的交叉研究。Results showed that in the water body of xizi lake, annual average of culturable planktonic ammonifiers and nitrogen fixers were 510 and 236 cfu / ml, respectively ; ammonia oxidizers, nitrite oxidizers, nitrate reducers and denitrifiers were 8. 5, 16, 587 and 16 mpn / ml, respectively ; inorganic phosphate solubilizing bacteria ( 1pb ) and organic phosphorus mineralizing bacteria ( opb ) were 89 cfu / ml and 37 mpn / ml, aerobic and anaerobic cellulose decomposers were 7 and 5 mpn / ml, respectively
水體中可培養異養細菌(氨化細菌)和固氮菌的年平均值分別為510和236cfu ml ,氨氧化細菌、亞硝酸氧化細菌、硝酸鹽還原菌和脫氮菌的數量分別為8 . 5 、 16 、 587和16mpn ml ;無機磷和有機磷分解菌分別為89cfu ml和37mpn ml ;好氧性纖維素分解菌和厭氧性纖維素分解菌只有7和5mpn ml 。As a excellent material for preparation of biomembrane, cellulose acetate ( ca ) is a fine carrier for the immobilization of cholesterol oxidase ( cod )
醋酸纖維素( ca )作為一種優異的生物傳感用薄膜制備材料,是膽固醇氧化酶( cod )優良的固體載體。Three kinds of microbe, i. e. methane - oxidizing bacteria, anaerobic cellulose - decomposing bacteria and sulfate - reducing bacteria, were selected for experimental study, so the disturbance of surface biochemical effect was effectively inhibited, thus causing the microbiological anomaly to be able to reflect objectively the deep - seated hydrocarbon micro - leakage, it is pointed out that the result of predicting subsurface hydrocarbon distribution by use of the microbiological anomalies is obvious
選擇三種微生物指標:甲烷氧化菌、厭氧纖維素分解菌和硫酸鹽還原菌進行試驗研究,有效地抑制了地表生物化學作用的干擾,使微生物異常能夠較客觀反映地下深部油氣微滲漏情況,微生物異常預測地下油氣的分佈,效果顯著。Testing of textiles ; determination of the limit - viscosity of celluloses, cuen - procedure
紡織品的檢驗.用氫氧化銅乙二氨溶液法測定纖維素的極The cellulose fibre can be blended with sewage sludge or sewage cake for conversion via aerobic or anaerobic digestion of the blended material to produce quality compost and a liquid nutrient that can be used as a fertiliser
纖維素纖維可以與污水污泥或污水泥餅混合,然後透過混合材料的好氧消化或厭氧消化來生成可以用作化肥的高質量混合肥料和營養液。The re suits showed that during storage, the wi value of lotus epidermis were decreased, but not much change in inner lotus root ; polyphenol oxidase activity and phenols content were both showed increased and then de creased ; the fiber content of lotus root can affect the change of tender ; taken the factor of wi value, tender and decomposed rate into account, the quality of jn dawolong was the best
結果表明:貯藏過程中表皮白度逐漸下降,但藕肉白度變化不大;多酚氧化酶活性和多酚含量變化均呈現出先上升後下降的趨勢;纖維素含量對藕的脆度變化有一定的影響;綜合白度變化、脆度和腐爛率等因素來考察, 3個品種中以濟南大臥龍品質最優。N sources ( including organic and inorganic n tested ) and c sources tested could restrain methane oxidation. cellulose inhibited methane oxidation most weakly while the high concentration of methanol and glucose did dramatically, but the proper concentration of methanol could stimulate soil methane oxidation sharply. in the middle process of methane oxidation, addition of glucose could restrain methane oxidation shortly but the inhibition could be relieved about 5 days later when supplied again with enough oxygen
土壤微生物是甲烷氧化的主要生物類群,含水量對土壤甲烷氧化活性有明顯影響,過高或過低對甲烷氧化均具有抑制作用;氮源(包括有機和無機氮源)對甲烷氧化均有抑制作用;不同碳源對甲烷氧化的影響各異,纖維素對甲烷氧化抑制作用最小,而高濃度的甲醇、葡萄糖則對甲烷氧化具有強烈抑制作用;而適當濃度的甲醇可極大促進土壤對甲烷的氧化:在甲烷氧化過程中加入葡萄糖能迅速抑制甲烷氧化;在加入葡萄糖的同時保持瓶中充足的氧氣,則這種抑制作用可以在重新培養一定時間后得到解除。Fresh fruits, vegetables, nuts and grain are rich in carotene, vitamins c, e and selenium. these nutrients have anti - oxidative function which can prevent cells from having abnormal changes due to oxidation and will minimise the possibility of developing cancer
蔬果及谷類含大量纖維素;新鮮蔬菜及素菜類食物含有胡蘿卜素、維他命C 、 E和硒等,這些營養素有抗氧化功能,可防止細胞因氧化而產生異變。Chapter 5. ceoi nanoparticles of average diameter about 30 nm were prepared by sol - gel method in lower temperature
另外,我們用自製的納米氧化怖粉末制備了以醋酸纖維素為母體的稀土元素離子選擇電極。The fitness of four negative electrode materials such as al, fe, zn, cd, and of six membranes materials : microfiber glass mat separator, polyethylene, polypropylene, polyvinyl chloride, vinylon, soapnated cellulose acetate, and of four current collects : carbon fiber ; nickel foam ; nickel foam sthongthened by iron wire net, punched silver grid in the super - iron alkaline batteries was comparatively studied. the influence of two storaged method ( with and without electrolyte ) and two impurities ( zno, fe ( oh ) 3 ) to the experiment cell ' s self - discharge nature was also comparatively studied. at last, the nature of discharge. structure and electrochemistry of experimental cell with k2feo4 as cathode active material prepared by three different methods : high temperature reaction, hypochlorite oxidizing and electrolysis, was comparative ly studied. we can conclude : i ) the open - circuit potential and the flat of work potential and the percent of capacity of k2feo4 till 1. 0v during the discharge at constant load of experimental cells decreased by the order of al / k2feo4, zn / k2feo4, cd / k2feo4, fe / k2feo4. as for the nature of charge - discharge cycle, cd / k2feo4 fe / k2feo4 zn / k2feo4. in water solute electrolyte, although al / k2feo4 can n ' t be used as storage battery, it have great potential as primary cell or storage cell from the aspect of its discharge capacity. discharge power
採用組裝實驗電池、 x -射線衍射( xrd )和循環伏安( cv )的方法,從實驗電池的放電特性、充放電循環特性、自放電特性,不同高鐵酸鹽的結構特性和電化學特性幾個方面,對4種金屬負極材料( al 、 fe 、 zn 、 cd ) 、 6種隔膜材料(復合玻璃纖維、幅射接枝聚乙烯、改性聚丙烯、聚氯乙烯、維尼綸無紡布、皂化再生纖維素) 、 4種集流體材料(泡沫鎳、以鐵網為加強層的泡沫鎳、切拉銀網、炭纖維編織網)在堿性高鐵電池中的適用性進行了比較研究;對2種雜質組分( zno 、 fe ( oh ) _ 3 )和2類不同貯存方式(干、濕)對實驗電池自放電特性的影響進行了比較研究;對3種方法(高溫固相反應、次氯酸鹽氧化、直流電解)所制k _ 2feo _ 4的實驗電池的放電特性、結構特性和電化學性能進行了比較研究。In order to hold more epoxy groups for subsequent ionization, several factors affecting the efficiency of activation reaction, such as the amount of epichlorohydrin, the concentration of naoh solution, and the contents of tio2 and cellulose in matrix, were investigated emphatically
此後,為了得到足夠的環氧基團用於功能基化,詳細考察了一些影響活化反應的因素,如環氧氯丙烷的用量、 naoh溶液的濃度、纖維素和鈦白粉的含量等。The enzyme retained full activity after being treated at room temperature for 1 hour at ph between 4. 0 and 11. 5. the enzyme can be incubated at 50 for 4h with only less 50 percent loss of activity and is stable in the frozen state. when streptomyces griseus atcc14811 was cultured in 10. 3 % sucrose yeme liquid medium, production of extracellular cholesterol oxidase increased for 5 days before decrease
利用硫酸銨鹽析及deae -纖維素離子交換柱層析提取純化灰色鏈黴菌atcc14811發酵上清液中的膽固醇氧化酶,理化性質研究表明酶作用晟適ph為8 . 0 ,最適溫度為45 , ph穩定范圍在ph4 . 0 - 11 . 5之間,在50條件下保溫4h ,仍保留54酶活力。分享友人