降解纖維素 的英文怎麼說

中文拼音 [jiàngjiěxiānwéisù]
降解纖維素 英文
degraded cellulose
  • 降 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 解 : 解動詞（解送） send under guard
  • 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...
  • 纖維素 : [化學] cellulose
  • 纖維 : fibre; staple; filamentary
  1. The order of four soil biochemical intensity being sensitive to heavy metal pollution indicated as : nitrification > nitrogen fixation > decomposition of cellulose > ammonification. however, soil microbial biomass c : n ratio increased with the increasing of heavy metals level

    幾種生化作用強度的下降順序為硝化作用固氮作用纖維素分解強度氨化作用；但土壤微生物生物量碳氮比則隨著重金屬污染水平的升高而增加。
  2. By optimizing the parameters such as the additive quantity of corn straw fibre, the content of amylum, the dosage of vesicant, the selecting of accessorial material, and the temperature of frothing, the cushion packaging material that has decompounding capability was prepared, and the factors influencing the mechanical strength of this material was analyzed by the method of static compress test

    通過對玉米秸稈纖維添加量、澱粉含量、發泡劑用量、輔料選擇、發泡溫度等參數的優化，實驗制備了具有可降解性能的緩沖包裝材料，並利用靜態壓縮實驗方法對該材料力學強度的影響因素進行了分析。
  3. The result showed that this strain have a strong ability to decompose the filter paper cellulose. in the process of degrading fibre, the strain adhere tightly to the fibre through its bacilliform cell

    結果表明該菌具有較強的分解纖維素的能力，菌株在降解纖維素濾紙過程中與纖維素物質緊密結合，同時菌體嵌入到濾紙纖維內部。
  4. The bacilliform cell penetrate into interior of the fibre to degrade the cellulose strongly and produced a mass of sticky polysaccharides. after cultured 48 hours, the bacilliform cell ' s surface of sporocytophaga have a great change. at this stage the bacilliform produce a lot of sticky polysaccharides. these sticky polysaccharides associated with the sites where the filter paper was decomposed intensively and form thorns on the surface of the bacillium. at the same time, the filter - paper weight loss is the greatest and decomposing rate is the fastest, so we think that the sticky polysaccharides are produced during the cellulose degradation

    培養48小時，桿狀細胞的表面結構發生很大的變化，此時的菌體表面已產生大量的粘性多糖，這些粘性多糖因菌體在纖維素表面滑動而在菌體表面形成突起，即在纖維素被旺盛降解部位的菌體表面產生了大量突起；而產生突起的菌體深入到纖維素分子內部，纖維素表面可以清晰地看到由於菌體嵌入纖維素分子內部而留下的凹陷。
  5. 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。
  6. At the anaphase of cultured, the bacteria exsist as a cycloidal dormancy body - sporocyst, and the decomposing rate of filter - paper began to decrease. we know the sporocyst is a form that sporocytophaga genus appear in a ill circumstance, so we think the sporocyst did n ' t have the cellulose decomposing activity. after cultered 96 hours, we can found many sporocysts and filter - paper slices in the fermentable liquid

    並且這一時期的濾紙降解率開始降低，證明小孢囊並不與纖維素的旺盛降解有關。培養96小時后，濾紙纖維素被降解成碎屑，液體培養基中有大量孢囊存在；培養6 ? 7天後該菌可以將濾紙纖維素完全降解。
  7. The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides

    進一步對xynba進行了脫糖基化處理得到xynbb ，其分子量恢復到23kd ，證明xynba是糖基化蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現：三種酶的最適ph差異不大， xynb和xynba均為5 . 2 ， xynbb為5 . 0 ； xynb和xynba的最適溫度均為60 ， xynbb降為50 ：在耐熱性上， xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ； xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ，明顯低於原酶的比活2814 . 45iu mg ； xynb和xynba的km值相當，分別為21 . 56 （ g kg ）和20 . 87 （ g kg ） ，而xynbb的km值較大為27 . 10 （ g kg ） ； xynba和xynbb的vmax相差不大，分別為4568 mol mg ? min和5329 mol mg ? min ，明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性，對胃蛋白酶和胰蛋白酶有很好的抗性，且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖的酶解產物的糖份分析發現：以樺木木聚糖為底物時，酶解產物主要為木三糖和木四糖，含量分別為68 . 43和16 . 50 ，另外還含有11 . 79的木二糖；以玉米芯木聚糖為底物時，酶解產物主要為木二糖和木三糖，含量分別為81 . 78和11 . 55 。
  8. Sporocytophaga is a kind of bacteria that can glide on the surface of solid medium. this strain can decompose the cellulose strongly. lt can grow on the surface of cotton and fiter paper, and produce large amount of extracellular polysacchrides during the cellulose degradation. the sporocytophag can only produce a low extracellular carboxymethyl - cellulase ( cmc ) activity and no other extracellular cellulase activities. so the sporocytophaga has a special mechanism of cellulose degradation

    生孢噬纖維細菌通過與纖維素物質的緊密粘附作用而強烈地降解纖維素；但該菌只能測到極低的胞外cmc酶活，而沒有其他的胞外纖維素酶活，因此該菌有特殊的纖維素降解機制。
  9. Abstract : this paper researches into the complex adhesive ， which was mainly made by the soy protein isolate ( spi ) and polyvinyl alcohol or polyvinyl acetate. different composition of protein and polymers can perform different characters, together with other ingredients. the factors, which are related to the first adhesive strength and adhesive strength, are mainly studied and discussed. the first adhesive strength of the complex adhesive is related to the content of spi, and the adhesive strength is related to the content of the complex adhesive. on the basis of the researching, we can make the plant fibre box for food in the future

    文摘:對大豆分離蛋白?聚乙烯醇、大豆分離蛋白?白乳膠復合膠粘劑進行了研究，採用不同混合比例及添加其他助劑，得到較好性能和可生物降解的復合膠粘劑，為製造一次性植物纖維快餐盒打下基礎.主要研究了影響這種復合膠粘劑粘接木塊的初粘力（剪切和拉伸強度）和粘接強度的因素，實驗表明： 9 . 2 %濃度的大豆分離蛋白的初粘力（剪切和拉伸強度）優於10 %濃度的聚乙烯醇膠和33 %濃度的白乳膠；大豆分離蛋白復合膠粘劑的初粘力主要與大豆分離蛋白含量有關，其最終粘接強度與膠液固含量正相關
  10. Results show that cellulose is degraded as a result of increasing the air in dissolving bottle and prolonging the time of pulp dissolving

    結果表明，在紙漿溶解于銅乙二胺溶液過程中，溶解瓶中的空氣會使纖維素發生降解，而且隨空氣量的增加和溶解搖動時間的延長，紙漿的黏度下降。
  11. On monday, october 15, 2001 the straits time had another article which reads with the headline one plant s thousand and one us research has shown that green tea extracts of polyphenols or catechins, are effective in helping to reduce oxidisation, smells and the formation of bacteria "

    日本的煎茶除了含有茶兒素外，還有豐富的維他命c e以及人體必須的礦物質和食物纖維，因此，喝日本綠茶可以預防感冒降低血液中膽固醇抑制血壓和血糖的上升，防止致癌物質在體內生成有抒解緊張情緒抗氧化的功效。
  12. In this work, the process that a strain of sporocytophaga degraded the filter paper fibre was studied by means of scan electronmicroscopy. the filter paper cellulose degraded rule and the morphology change on different phase were analysed

    本文採用掃描電子顯微鏡觀察該菌降解纖維素濾紙的整個過程，分析了該菌株對濾紙纖維素的降解規律和該菌在分解濾紙纖維素這一過程中不同階段的形態變化。
  13. Degradation of microcystins by electro - fenton reaction using an activated carbon fiber cathode

    活性碳纖維陰極電芬頓反應降解微囊藻毒素研究
  14. The pretreating methods, the enzymatic hydrolysis of cellulose and hemicellulose, the breeding of effective strains for fermentation, and the development of the preparation technology for ligncellulose are mainly introduced

    重點介紹了木質纖維素轉化為乙醇的原料預處理方法、纖維素和半纖維素的酶法降解、有效可靠的發酵菌種的選育及木質纖維素乙醇制備工藝的開發。
  15. The advance in the research on two kinds of biodegradable composites prepared from vegetable cellulose material, namely, biodegradable plastics with vegetable fibres as one of components and biodegradable plastics with liquefaction products of vegetable fibres, was reviewed

    摘要綜述了近年來以植物纖維素材料?共混組分制備生物降解復合材料，或將植物纖維液化後作?反應組分制備生物降解復合材料的研究進展。
  16. A strain of cellulolytic bacterium was isolated from soil by filter paper plate and cellulose fibre double - plate

    本文採用濾紙纖維素平板和纖維素雙層平板的方法，從土壤中分離、篩選出一株好氧性纖維素降解細菌。
  17. Cellulose products are commonly prepared through the well - known viscose process or the cuprammonium method. both these two methods have serious environmental pollution. the green nmmo process using n - methyl - morpholine - n - oxide ( nmmo ) as the direct solvent of cellulose can be used to prepare the biodegradable cellulose membranes with improved mechanical properties and controllable pores

    90年代開發的nmmo工藝採用n -甲基嗎啉- n -氧化物（ nmmo ）作為直接溶劑來溶解纖維素，利用該綠色工藝可以制備力學性能優越、可生物降解、微孔孔徑易於控制的纖維素膜。
  18. The research advances of molecular structure and the degradation mechanism of cellulases separated horn microorganism and animal west summarized

    摘要綜述了近年來微生物纖維素酶和動物纖維素酶分子結構和降解機制方面的研究進展。
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