纖維離析 的英文怎麼說

中文拼音 [xiānwéi]
纖維離析 英文
defibrination
  • : 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動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  • 纖維 : fibre; staple; filamentary
  1. It showed that 73 % increasing of toughness in modified composites was achieved without the reduction of other mechanical properties. sem has showed the periodically interleaved system where the co - continuously connected granular structure occurs layer by layer between each ply and the interlayer was relatively very thin

    電鏡分表明位改性的碳單向布周期性增強體系,在每兩層增強體之間都有很薄一層規整的球性兩相結構,正是這個獨特的多層結構使其抗沖擊性能大幅提高,而且不會對其他重要的力學性能產生不利影響。
  2. The bar - bar impact apparatus of split hopkinson tensile / pressure bar for high strain rate tests of fiber reinforced composites is developed. the components of this apparatus, the data sampling method and software are introduced in details

    研製用於束和復合材料高應變率下力學性能測試的桿桿型沖擊測試裝置?分式hopkinson桿,描述該測試裝置的硬體構成、信號採集和分計算。
  3. The xerocomus spadiceus lectin, xsl, was isolated from extracts of fruiting bodies of the mushroom xerocomus spadiceus using a procedure that involved ( nh4 ) 2so4 precipitation, anion exchange chromatography on deae - cellulose, affinity chromatography on affi - gel blue gel, cation exchange chromatography on cm - cellulose, and gel filtration by fast protein liquid chromatography on superdex 75

    從磚紅絨蓋牛肝菌( xerocomusspadiceus )子實體粗提物中,經過deae -素陰子交換層、 affi - gelbluegel親和層、 cm -素陽子交換層和superdex75fplc凝膠過濾,純化了磚紅絨蓋牛肝菌凝集素。
  4. 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 。
  5. Purification and characterization of phytase from a. niger an 01001 a. niger an01001 was inoculated on solid media and cultivated at 30 for 5 days. proteins were extracted from solid - state fermentation with 50mm acetate buffer ( ph5. 5 ). the molecule weight of the phytase protein was determined as about 78kd by sds - page. the purification procedures include ammonium sulfate precipitation, deae - cellulose ion - exchange chromatography, gel electrophoresis and electroelution

    3 .植酸酶的分純化及其性質研究黑麴黴ano1001經固體發酵,用緩沖液抽提后,經硫酸按沉澱, deae一子交換層,聚丙烯酞胺凝膠電泳和電洗脫等純化步驟獲得的植酸酶,用sds一page檢測為一條均一譜帶,其分子量約為78kd 。
  6. Cotton fiber of polyester series has fine performance in resisting being eroded and only a small part is eroded meanly. the effect of erosion on bacterium - resisting viscose fiber is not obvious, while the effect on burning - resisting viscose fiber is the most obvious

    在力學分方面:我們得到陽子可染的滌綸的于態斷裂比強度較一般滌綸棉的有所降低,斷裂伸長反而上升:高收縮滌綸棉干濕態的斷裂強力和斷裂伸長都較一般滌綸棉的有所降低。
  7. This paper briefly introduces the application of metal ions in the area of silk and textile industry, such as modification of silk fiber, development of the functional fiber with antibacterial or deodorant properties, fiber ' s weighting and dyeing, flame retardancy finishing and electromagnetic radiation shield finishing, and so on

    摘要綜述了金屬子在絲綢紡織領域的應用情況,對蠶絲的改性處理,抗菌消臭功能的開發,增重、染色,阻燃整理及防電磁波輻射整理等進行了詳細分
  8. 3. the strtistical analysis results improved that the test scatter reduced due to the application of steel fiber

    統計分結果表明,鋼的摻人降低了鋼筋鋼混凝土梁受剪承載力試驗結果的散性。
  9. This article introduced the principles for making seacell fibers and analyzed the types, sources, composition and bioactivities of seaweeds, as well as the absorption properties of the seaweed particles for silver ions during the activation process

    介紹了利用溶劑法生產海絲的基本原理,分了海藻的種類、來源、組成及生物活性,以及在海絲活化過程中,中海藻粉末吸附銀子的性能。
  10. Analyzing the treated yak hairs with sem, xps and et al, it showed under the same conditions, the effect of etching is enhanced with the increasing of power of wave, and the hydrophilicity and dyeing rate enhanced obviously

    通過sem 、 xps及吸附性能等的分,結果表明,在相同參數的等子體條件下,隨著產生等子體的微波功率的增大,對氂牛毛表面的刻蝕效果增強;經過等子體處理過的氂牛毛的親水性,上染率等都有明顯的提高,說明該方法是一條切實可行的路線。
  11. 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

    雙胸蚓組織中dna酶的分純化雙胸蚓組織粗提取液經過選擇性酸變性、選擇性熱變性、硫酸按分段鹽、 deae一素( de52 )柱層、超濾膜分級分后得到一個電泳純的dna酶。
  12. 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、 deae -子交換層和硅膠層純化,得到抑制黑麴黴生長的單一組分。
  13. But the whole level of serum titer in combined vaccine group was higher than others. igg was extracted by salting out with ammonium sulfate and purified by ion exchange chromatography with deae cellulose

    對分到的血清用飽和硫酸銨鹽法提取igg ,並用deae子交換層法對提取的igg進行純化。
  14. Lwac is becoming one of the important trends in the development of modern concrete. to solve the problems such as poor workability, large shrinkage value and crack easily of lwac, on the basis of systematic experiments, the author establishes lwac workability evaluation system and advances the testing method of pumping performance of lwac ; the control technology of discrete of lwac is introduced through analyzing structure formation process and establishing the mathematic model ; based on studying the strength source of lwac and the function mechanism of artificial additive, this paper not only confirms some major factors which affect concrete strength but explores the preparation technology route of high strength lwac ; the different effects of several fibers in lwac have been studied, and the fiber is introduced in pumping lwac to improve its crack - proof performance

    本文針對輕集料混凝土工作性能差、收縮變形大、易於開裂等問題,根據大量實驗建立了高強輕集料混凝土工作性能的評價體系,提出了高強輕集料混凝土可泵性的測試方法;通過分輕集料混凝土的結構形成過程,建立了輕集料混凝土拌和物物料運動的數學模型,提出了防止輕集料混凝土分層的技術措施;通過對輕集料混凝土強度來源和礦物摻合料的作用機理的深入研究,確定了影響輕集料混凝土強度因素的主次關系,提出了配製高強輕集料混凝土的技術路線;研究了在輕集料混凝土中的增強增韌、減少收縮的作用機理。
  15. The interface bonding of laminated composites is analyzed by using a method of shear strength and t - peel off strength

    通過剪切強度和t ?剝強度直觀的分樹脂鋁合金疊層復合材料中鋁-樹脂界面的結合情況。
  16. This charged fiber can be directed or accelerated by electrical forces and then collected in mats or other useful geometrical forms. the diameters of electrospun fibers are in the range of tens of nanometers to several micrometers. in this paper, polyacrylonitrile ( pan ) nanofibers are made by electrospinning pan / dimethylformamide ( dmf ) and pan / dimethylacetamide ( dmac ) with adjusting the main process parameters including electrostatic voltage ( 20 ~ 50kv ), sprinkler aperture ( 0. 5 ~ 0. 8mm ), collection distance ( 15 ~ 25cm ), solution concentration ( 6 wt % - 14 wt % )

    本文主要對聚丙烯腈( pan )二甲基甲酰胺( dmf ) 、 pan二甲基已酰胺( dmac )體系進行電紡絲,調節靜電壓( 20 50kv ) 、噴頭孔徑( 0 . 5 0 . 8mm ) 、接收距( 15 25cm ) 、溶液濃度( 6wt 14wt )等過程參數,制得pan納米平均直徑在200 1000nm ;詳細分了過程參數對細度、形態等的影響,認為高聚物溶液濃度及靜電壓對細度有決定性影響,其它過程參數如接收距、噴射孔徑、紡絲溶液溫度、溶液電導率等的調整應以這兩參數為基礎進行。
  17. 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界面而實現相間傳質的雜化膜過程。本論文主要研究中空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、中空膜均勻分佈的平行流組件殼程傳質微分方程的解求解、中空膜不均勻分佈組件中流體分佈的數學計算、中空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。
  18. Five prestressed concrete testing beams were designed with different reinforcing distance. based on experiments of frp prestressed concrete beams, failure pattern 、 load - deflectioncurve 、 stress increasing and so on are studied systematically

    設計了五根不同加固距的試驗梁,對試驗梁的受力過程、破壞形態、荷載-撓度曲線、筋應力增量等進行了詳細分
  19. 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、 deae ?素( de52 )柱層及超濾膜分級分對雙胸蚓組織中dna酶進行分純化。
  20. Base on single factor experiment, the change of sample ' s properties after treatment is evaluated and the relationship among wool fabric ' s properties and treatment time, power and pressure is analyzed

    通過單因素實驗,綜合評價羊毛織物處理前後的性能變化情況,分了羊毛織物性能變化與等子體處理時間、功率和壓強變化之間的相互關系;利用原子力顯微鏡表徵了處理前後羊毛鱗片結構的變化情況。
分享友人