木化纖維素 的英文怎麼說

中文拼音 [mùhuàxiānwéisù]
木化纖維素 英文
lignocellulose
  • 木 : Ⅰ名詞1 （樹木） tree 2 （木頭） timber; wood 3 （棺材） coffin 4 （姓氏） a surname Ⅱ形容詞1 （木...
  • 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 microorganism which produce ethanol from lignocellulose must be able to dissimilate both five - carbon and six - carbon sugars and consist of the pdc and adh ii which are key enzymes in ethanol formation. regretfully, no naturally occurring organism can efficiently1 produce ethanol from all monosaccharides

    要從木質纖維素生成乙醇，所利用的微生物必須能同化所有的戊糖、已糖成分，而且含有生成乙醇的關鍵酶：丙酮酸脫羧酶（ pdc ）和乙醇脫氫酶（ adh ） 。
  2. Biorefinery is a new technique which uses the agriculture waste, starch of plant and lignocellulose substance as raw materials to pro duce various chemicals, fuel and biomaterials

    摘要生物煉制是一種利用農業廢棄物、植物基澱粉和木質纖維素材料為原料，生產各種化學品、燃料和生物基材料的新型技術。
  3. 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。
  4. The research for the utilization of lignocellulose. especially for the conversion of lignocellulose into fuel ethanol by microorganisms is being studied intensively

    對木質纖維素利用的研究，特別是通過微生物將木質纖維素轉化為乙醇是當前研究熱點之一，也是難點之一。
  5. Quantitative analysis procedure of lignocellulose solid substrate including hemicellulose, cellulose and lignin, ignition method, volumetric method and soak extract method were utilized to study the changes of chemical components in lawn - grass and weeds during hydrothermal degradation with different conditions

    摘要運用木質纖維素固體基質半纖維素、纖維素和木質素定量分析程序等分析檢測了不同濕解工況下草坪草和雜草主要組分的化學變化。
  6. 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。
  7. 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。
  8. Cellulose acetates with different substitution degrees were synthesized with wood pulp as raw material and dodecylbenzenesulfonic acid as catalyst

    摘要以木漿為纖維素原料、十二烷基苯磺酸為催化劑，制備了一系列不同取代度的纖維素醋酸酯。
  9. 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 。
  10. The tests and comparative analyses of the various chemical compositions of the flax and oil flax revealed that the oil flax fibers had higher lignin, lower cellulose and much higher pectin mol. ratios than those of the flax fibers

    通過對亞麻及胡麻各項化學組分的測試對比分析發現：胡麻纖維木質素組分的質量分數比亞麻纖維高，纖維素組分的質量分數比亞麻低，果膠組分的質量分數大大高於亞麻纖維。
  11. Although yeast cannot digest cellulose or lignin, the molecules that form a plant ' s skeleton, some bacteria and other species of fungi are able to do the job

    雖然那些組成植物莖干纖維素和木質素的分子不能為酵母所消化，但是某些細菌和其他種類的真菌可以完成這項任務。
  12. 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。
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