纖維素組分 的英文怎麼說

中文拼音 [xiānwéifēn]
纖維素組分 英文
cellulose constituent
  • : 纖形容詞(細小) fine; minute
  • : Ⅰ動詞1 (連接) tie up; hold together; link 2 (保持; 保全) maintain; safeguard; preserve; keep ...
  • : 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...
  • : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • 纖維素 : [化學] cellulose
  • 纖維 : fibre; staple; filamentary
  1. After study on the technology of probe head of the optical fiber, a biosensor for determination of cholesterol which based on fluorescence quenching and adopted phase shift & phase lock technique to detect the change of light intensity was developed, in this biosensor, the cellulose acetate cod enzyme membrane was took as sensitivity basic dollar, ru ( phen ) 32 + was took as indicator of oxygen and furcated optical fiber as conduct carrier of light signal

    通過對光探頭裝技術的研究,以醋酸cod酶膜為敏感基元,釕( ) -鄰菲咯啉為氧指示劑,叉光為光信號傳導載體,採用相移法和鎖相放大技術設計了一種基於熒光猝滅原理的測定膽固醇用的生物傳感裝置。
  2. 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

    摘要運用木質固體基質半和木質定量析程序等析檢測了不同濕解工況下草坪草和雜草主要的化學變化。
  3. Butyl - methacrylate applied to grafting of wool fibres

    用絲塗層的羊毛製成的雙絲毛織物
  4. The present work is to develop a new high performance single component waterproofing construction putty powder with cement fly asb quartz powder cmc and pp fiber as its main constitutes. its result can be a basis to popularize cement putty and a reference to establish national criterion. firstly, the influence of some major materials on the basic performances of putty was studied, and find the major constitutes and mix proportion, simultaneity, the principle to select element is cheap unpolluted and comprehensive

    為了提高建築工程的裝修質量以及適應我國當前建築事業的發展要求,本文選用水泥、粉煤灰、石英粉等常用建材並摻入適量、聚丙烯及助劑配製出一種高性能單且具防水性的新型水泥基膩子,成本低廉且符合環保要求,其成果可作為推廣水泥基膩子產品應用的依據,並對國家外墻膩子行業標準的制定提供參考。
  5. 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 ,其子量恢復到23kd ,證明xynba是糖基化蛋白。通過對畢赤酵母重表達的木聚糖酶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,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,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,含量別為81 . 78和11 . 55 。
  6. Characteristic of respective components from cellulase system induced by aspergillus niger and condition of enzymolysis

    黑麴黴產酶系各特性及酶解條件
  7. 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的測試對比析發現:胡麻木質的質量數比亞麻高,纖維素組分的質量數比亞麻低,果膠的質量數大大高於亞麻
  8. 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

    雖然那些成植物莖干和木質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。
  9. 3. 2. 1. 4 ) which was prepared by precipitation of the water extract of the culture of aspergillus niger with ammonium sulfate and desalted by sephadex g - 25, and was further fractionated by two steps of deae - toyopearl 650m and one step of poros 20pi chromatography. the other was a p - glucosidase ( ec. 3. 2. 1. 21 ) which was prepared by the above g - 25 fractions and was further fractionated by two steps of deae - toyopearl 650m chromatography. the specific activity of the endoglucanase with sodium carboxymethyl cellulose was estimated to be 433. 38 hj / mg

    -葡萄糖苷酶對水楊的比活力為597 . 12iu mg ,並對其專一,不能水解棉花和羧甲基鈉;子量為117 . 5kda ,加dtt後子量不變;該最適ph和溫度別為4 . 5和70 ,在ph5 . 0 、 50下對水楊鈉的米氏常數km為3 . 73mg ml ,最大反應速度vm為0 . 088mg葡萄糖( ml ? min ) ;與文獻中從黑麴黴中離的-葡萄糖苷酶比較后發現,該是一個新的-葡萄糖苷酶。
  10. The isolation and purification of dnaase in the earthworm the earthworm dnaase was purified from the tissue extract of earthworm by denaturing the protein with low ph buffer, high temperature, ammonium sulfate precipitation, deae - cellulose ( de52 ) chromatography and ultra - filter membrane

    雙胸蚓織中dna酶的離純化雙胸蚓織粗提取液經過選擇性酸變性、選擇性熱變性、硫酸按段鹽析、 deae一( de52 )柱層析、超濾膜離后得到一個電泳純的dna酶。
  11. An active metabolite was obtained by purification with precipitated by ethanol, sephadex g - 25 gel, deae - cellulose ion exchange resin and silica gel column chromatography

    經乙醇( 95 )沉澱、 sephadexg - 25凝膠層析、 deae -離子交換層析和硅膠層析純化,得到抑制黑麴黴生長的單一
  12. 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、幅射接枝聚乙烯、改性聚丙烯、聚氯乙烯、尼綸無紡布、皂化再生) 、 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( 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。
  13. Effect of medium components on enzyme production and characterization of anaerobic fungal crude enzymes were also investigated. this thesis was described in the following three sections. in the first section, twelve anaerobic fungal strains isolated from rumen and faeces of ruminants were screened for xylanase and cmcase production

    本研究從黑白花種公牛、水牛、山羊糞樣及山羊瘤胃內容物中離到12株厭氧真菌,並對其進行了產高活性羧甲基酶和木聚糖酶菌株的篩選,同時還就培養基主要對厭氧真菌產酶的影響和厭氧真菌的粗酶性質進行了研究。
  14. To isolate and purify dnaase in the earthworm first, the tissue extract of earthworm was prepared by dissolving the earthworm with sucrose and denaturing the protein with low ph buffer. then dnaase was purified by denaturing the protein with higher temperature. the following steps were ammonium sulfate precipitation, deae - cellulose ( de52 ) chromatography and filtration by ultra - filter membrane

    雙胸蚓織中dna酶的離純化採用蔗糖溶解雙胸蚓,並選擇性酸變性制備雙胸蚓織粗提取液,再經選擇性熱變性、硫酸銨段鹽析、 deae ?( de52 )柱層析及超濾膜離對雙胸蚓織中dna酶進行離純化。
  15. The high titer specific ndrg2 antibody is indispensable to reseach deeply the functions or the tissue and subcellular distribution features of ndrg2, ha order to prepare ndrg2 antibody, the whole ndrgl sequence was cloned into prset - a vector and two truncated sequences of ndrg2 were cloned into pgex - 4t - l vector. after induced by iptg, the fusion proteins were expressed in e. coli ; rabbits immunized with the whole length ndrg2 protein were reinforced with two shortened fragments of ndrg2 ; after immunization, rabbits produced high titer antiserum against ndrg2. then antisemm was absorbed using ndrg2 antigen immobilized on nc filters, the purified product of antiserum shows high special to ndrg2 protein, and the separated inclusion body of 6his - ndrg2 will be useful for the further reseach

    為制備高效價的ndrgz抗體,別構建了prset a雌、 pgex4t d唾倉和pgex4tl七三種原核重表達質粒,並在大腸桿菌中誘導表達出相應的融合蛋白;用全長gstjqdrgz蛋白免疫兔,然後用gst ndrgz人和gstjqdrgze片段加強免疫,經免疫得到了較高效價的兔抗人ndrz多克隆抗血清,利用固定於硝酸膜上的ndrgz抗原親和吸附純化抗血清,提高了ndrgz抗體的特異性;並對包涵體形式表達的6his ndrgz進行初步的離純化。
  16. Textiles. quantitative analysis of binary mixtures of cellulose and polyester fibres

    紡織品.和聚酯混紡織物的定量
  17. 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材料?共混制備生物降解復合材料,或將植物液化後作?反應制備生物降解復合材料的研究進展。
  18. In this optimal condition, p450nor was expressed massively. the expressed product was then purified by deae - cellulose chromatography. the purified expressed protein showed one band in sds - page and the purification attained anticipative purpose

    在此條件下,大規模誘導表達重細胞色p450nor ,經deae色譜柱純化, sds - page析表明,純化的目的蛋白基本上為單一譜帶,純化達到預期效果。
  19. The composting of garden refuse on either a domestic or municipal scale may, therefore, be rendered unnecessary, because the organic composition of this material provides a derivative which is rich in cellulose content, producing a fuel fraction of high calorific concentration, and consequently of high commercial value

    家庭或城市的花園垃圾堆制肥料可能會進行不必要的提煉,因為此物質的有機成提供一種衍生物,而這種衍生物含有大量的可以產生高熱濃縮的燃料餾,因此具有較高的商業價值。
  20. Intussusception the incorporation of cellulose molecules into the existing cell wall, giving an increase in wall area

    侵入生長:是生活細胞的細胞壁中合使得細胞壁增厚的過程。
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