纖維離解 的英文怎麼說
中文拼音 [xiānwéilíjiě]
纖維離解
英文
frotation-
Another question discussed was the pore shape correction. the equivalent pore radius of the elongated microcrack membrane pore was corrected by the correlation present in the study on the stomata diffusion of monocotyledons
這合理地解釋了在膜接觸器氣液分離過程中,氣液接觸面積等於整個中空纖維膜的表面積而不是孔面積這一實驗現象。As a result, the crystal structure was destroyed in the thermochemical liquefaction. there are twelve bacteria, conserved five in our laboratory and screened seven through dunghill, putrid garbage or soil
從堆肥、垃圾填埋場堆腐物和土壤中分離並經初篩、復篩得到分解纖維素能力較強的菌共7株,外加實驗室已保藏的菌5株,共計12株菌株。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 。In this method the stress resultants of concrete in the cross section are evaluated by accurate integrating method and the resultants of structural steel and reinforcing bars are obtained using the fiber element method. the final nonlinear algebraic equations are solved using an iterative quasi - newton procedure based on the regula - falsi numerical scheme
應用該計算機方法,截面上的混凝土內力採用精確的積分方法求得,結構鋼與鋼筋的內力則由纖維元方法計算,而最終的非線性代數方程組由分離變量的擬newton - raphson迭代方法求解。Vertical low - thick waterpower pulp machine is the capital machine to use for pulp thick liquid board, paper machine decrease paper, goods wasted paper and wet - strength paper in papermaking industry. it is suitable for the separation of the fibre, purification of the thick liquid material and select thickly
立式低濃水力碎漿機是造紙工業用來碎解漿板、紙機損紙、商品廢紙及濕強紙的主要設備,適用於纖維的分離、漿料的凈化和粗選。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
-葡萄糖苷酶對水楊素的比活力為597 . 12iu mg ,並對其專一,不能水解棉花和羧甲基纖維素鈉;分子量為117 . 5kda ,加dtt後分子量不變;該組分最適ph和溫度分別為4 . 5和70 ,在ph5 . 0 、 50下對水楊素鈉的米氏常數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分離的-葡萄糖苷酶比較后發現,該組分是一個新的-葡萄糖苷酶。The primary primordial germ cells is obtain from the human embryos after 4 - 8 weeks of pregnancy. after mechanical desection and enzymic digestion, the cells were cultured on mouse embryonic flbroblast or human embryonic flbroblast feeder layer inactivated by mitomycin. the medium contains several cytokines : lif ( leukemia inhibitory factor ), bfgf and foskolin
從4 ? 8周的流產胎兒的原始生殖嵴部位分離到原始生殖細胞,經過機械和化學方法的解離后培養於事先用絲裂黴素處理過的小鼠胚胎成纖維細胞或人胚胎成纖維細胞飼養層上,培養基中添加了lif , bfgef , foskolin等細胞因子,此後大約每7天左右傳代一次。As a result, 1 ipophilic products have the highest yield when the reaction time was 70min. the identification of ir spectrometry showed that there are more dissociated hydroxy ( ho - ) and end - groups in the liquefaction products than in the plant cellulose
經紅外光譜( ir )檢測結果表明,液化產物的游離羥基明顯增多,其它的游離端基也是明顯增加,這說明液化反應破壞了纖維素的晶格結構,而且部分水解了糖苷鍵。" the lost memories " anthology of supreme master ching hai s poetry was written before she left home on her spiritual journey, and " the dream of a butterfly " includes poems she wrote both before and after attaining the truth. these volumes record intimate traces of the love, sorrow and happiness in her life, and from them, readers come to know that, like all of us, she l lived through the many ups and down of human life. however, through the delicate thoughts in her verses, we also are moved to ponder the deepest meaning of existence, and hopefully, we may eventually find our own great self embodied in human flesh as she did through devoted spiritual practice
失落的回憶是師父離家求道前的詩作,蝴蝶夢則收集了她證悟前和證悟后的一些作品,這些詩篇記錄了師父生活中愛悲喜之點滴情懷,從中我們了解到她和你我無異,都經歷過人生的高低起落與悲歡離合,然而由其詩句中處處顯露的纖細思維,不禁令我們深思人生的真義,希望我們最終也能和她一樣,透過修行而找到肉身之內的偉大真我。Several fabrication methods, including nonwoven meshes / fiber bonding, solvent casting / particulate leaching, phase seperation / freeze drying, gas foaming and three - dimensional printing, which are used to prepare tissue engineered porous scaffolds from natural or synthetic biodegradable materials, are reviewed
摘要綜述了以天然或合成生物降解材料為原料的組織工程多孔支架的幾種制備方法,包括無紡織物纖維粘結法、溶液澆鑄粒子洗出法、相分離凍干法、氣體成孔法和三維「印刷」等方法。The main studies of this thesis have been focused on the mass transport phenomenon in the hollow fiber membrane contactor, including the development of the model of the gas diffusion through the microporous membrane, the analytical solution of the shell side mass transfer differential equation in an orderly packed parallel flow module, the calculation of the shell side flow distribution in a randomly packed module, the estimation of the influence of the random arrangement of the fibers on the shell side mass transfer, and the experiments of the absorption of co2 into water
膜接觸器是一種通過膜作為兩相之間的分離界面而實現相間傳質的雜化膜過程。本論文主要研究中空纖維膜接觸器的傳質行為,研究內容包括氣體通過微孔膜擴散模型的建立、中空纖維膜均勻分佈的平行流組件殼程傳質微分方程的解析求解、中空纖維膜不均勻分佈組件中流體分佈的數學計算、中空纖維膜不均勻分佈對殼程傳質影響的估算以及co _ 2氣體吸收實驗。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
雙胸蚓組織中dna酶的分離純化採用蔗糖溶解雙胸蚓,並選擇性酸變性制備雙胸蚓組織粗提取液,再經選擇性熱變性、硫酸銨分段鹽析、 deae ?纖維素( de52 )柱層析及超濾膜分級分離對雙胸蚓組織中dna酶進行分離純化。This molecular mouthful has the rare ability among solvents of being able both to dissolve cellulose and to act as an electrolyte ? that is, a chemical that can carry current between the electrodes of a battery in the form of charged molecules, or ions
它的本領遠大於其它溶劑,在溶解纖維素的同時還能夠充當電解液,即一種能夠在電池的電極間以充電的分子或離子的形式傳遞電流的化學物質。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。An optimized cvi - pip process has been achieved, by which the c / sic composites with 2. 1 ig / cm3 high density and uniformity are fabricated in 200 hours. the microstructure and composition of pyrolytic carbon interphase and cvi - pip silicon carbide matrix in the c / sic composites are investigated with the help of polarization microscope, scanning electron microscope, and x - ray diffraction technique, etc. the structure characteristic of pyrolytic carbon interphase and cvi - pip silicon carbide matrix, and effects of cvi - pip process on it are summarized and discussed. by growth course and feature of pyrolytic carbon interphase and cvi - pip silicon carbide matrix analyzed, a whole - course densification mechanism of lamellar - growth - pattern is proposed to explain the densification phenomenon, which makes a systematic understanding on the feature of pyrolytic carbon interphase and cvi - pip silicon carbide matrix, and the multiple stitching interface binding
根據熱解碳中間相、 cvi - pip系sic基體相的組織構成與外貌特徵,通過對熱解碳中間相、 cvi - pip系sic基體相的生長過程和生長特徵進行分析,提出了基於層生長模式的緻密化過程理論,解釋了熱解碳中間相、 cvi - pip系sic基體相以及釘扎誘導結構多重界面的形成: ( 1 )在1150下, cvi - sic亞基體相遵從「過飽和?凝聚?融合」機理沉積,以8f型? sic為主,同時還會有少量4h型? sic ,無游離si和游離c存在; ( 2 ) pip - sic亞基體相由非晶態sic以及彌散分佈的- sic微晶、 si - o - c和游離c組成; ( 3 )熱解碳中間相與碳纖維增強相之間、 cvi - sic亞基體相之間形成滲透釘扎結構過渡界面, pip - sic亞基體相與摘要cvi一sic亞基體相之間形成誘導結構過渡界面。The original strain of the bacteria of cellulose hydrolysis hy2 was optimized by using ion implantation and then was induced and screening
在此基礎上,確定了最佳離子束誘變參數。離子注入對纖維分解細菌hy2進行誘變育種,效果顯著。Applying the ion beam to the bacteria of cellulose hydrolysis is a new attempt
將離子束應用於纖維分解細菌是誘變育種的新嘗試。At the same time, the research on the bacteria of cellulose hydrolysis implanted by low energy ion will further the study on the biological effect of ion beam and widen the application range of ion beam biotechnology in the industrially microbiological screening
同時,纖維分解細菌的低能離子注入研究,對于更深入地研究離子束生物學效應,拓展離子束生物技術在工業微生物育種的應用范圍有一定的意義。分享友人