纖維分離了的 的英文怎麼說
中文拼音 [xiānwéifēnlílēde]
纖維分離了的
英文
defibrated- 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 ...
- 分 : 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
- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 了 : 了助詞1. (用在動詞或形容詞后, 表示動作或變化已經完成) 2. (用在句子的末尾或句中停頓處, 表示變化, 表示出現新的情況, 表示催促或勸止)
- 的 : 4次方是 The fourth power of 2 is direction
- 纖維 : fibre; staple; filamentary
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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。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 。The substitution of pervaporation for traditional separation in organic mixtures is of energy - saving and environment - protecting significance. in this paper, pervaporation of two kinds of organic mixtures is investigated : one is using ca membrane and ca - eva ( ethylene - co - ethylene acetate ) composite membrane for methanol removal from mtbe ( methyl t - butyl ether ), focused on the influence of casting solvent mixtures ; the other is utilizing proper membrane stuff and additive to separate p - xylene from m - xylene
本文對兩類有機有機混合體系進行了滲透汽化膜過程的研究,其一為醋酸纖維素( ca )膜及ca -乙烯醋酸乙烯共聚物( eva )復合膜用於甲基特丁基醚( mtbe )中少量甲醇( 5 meoh )的脫除,探討鑄膜混合溶劑及后處理技術對膜分離性能的影響。其二為運用適當的膜材料及添加劑去除間二甲苯( mx )中的少量對二甲苯( 10 px ) 。In this study, the recombinant fowl - poxvirus was transfected into expressing the vp3 gene of isolated gpv h1 strain into the cef cells with fpv - 017 by liposome, which have the lacz reporter gene, earlier / latter promoters lp2ep2 of fpv, promoters p7. 5 and p7. 1 of vaccinia virus, replication unnecessary region of fpv - 017. following 6 cycles screenings, clonings, purification of blue plaques, detection of pcr and dot - elisa, which verified the genetic stable vp3 - fowlpox virus recombinant constructed successfully. this study provided the theoretical and practical foundation for development of gpv recombinant fowl - poxvirus genetic engineering vaccine, as well as provided substance preparatory for prevention the high mortality gpv
本研究採用脂質體轉染方法,將含有完整gpvh1分離株vp3基因、報告基因lacz 、禽痘病毒早晚期啟動子lp2ep2 、痘苗病毒啟動子p7 . 5 、 p11和fpv - 017復制非必須區的轉移載體質粒psy681vp3lacz與fpv - 017共轉染雞胚成纖維細胞,經6輪蝕斑克隆、篩選、表達, pcr鑒定和dot - elisa檢測,證明該重組病毒已構建成功,並獲得了遺傳性狀穩定的鵝細小病毒vp3基因的重組禽痘病毒。Abstract : this paper introduced the resources and developing situation s of pineapple leaf fiber, and the experimental research on the fiber extractio n mechanism, the production technology and the complete set of processing equipm ent were conducted
文摘:介紹了菠蘿葉纖維的資源和開發利用情況,進行了刮麻機理、生產工藝和配套設備的試驗研究,提出了將菠蘿葉在逐步打擊和振動的雙重作用下使纖維和麻渣分離的原理。( 2 ) an electric double layer ( edl ) model is brought forward. according to this model, mechano - electric effect is related to the electrokinetic phenomenon of solid / liquid interface edl in concrete
( 2 )提出了混凝土內固液界面偶電層和離子分佈模型,依據此模型闡明了碳纖維混凝土和素混凝土力電效應的微觀機理。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
摘要綜述了金屬離子在絲綢紡織領域的應用情況,對蠶絲纖維的改性處理,抗菌消臭功能纖維的開發,纖維增重、染色,阻燃整理及防電磁波輻射整理等進行了詳細分析。3. the strtistical analysis results improved that the test scatter reduced due to the application of steel fiber
統計分析結果表明,鋼纖維的摻人降低了鋼筋鋼纖維混凝土梁受剪承載力試驗結果的離散性。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纖維的基本原理,分析了海藻的種類、來源、組成及生物活性,以及在海絲纖維活化過程中,纖維中海藻粉末吸附銀離子的性能。The adsorption of polymer chains at the sio2 surface avoided the coherence between the nascent hollow fibers, improved spinning conditions and hollow fiber bearing. the addition of ca further improved mechanical property of membrane, but pressure - resiposivity became weak. by controlling polymer and sio2
通過對sio _ 2填充pu溶液紡絲成形研究發現,因sio _ 2對pu紡絲液相分離條件的改變及對pu大分子的吸附,有效防止了pu初生纖維的粘結,提高了pu紡絲溶液的可紡性,改善了pu中空纖維膜的支撐性。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。Polypropylene fiber reinforced concrete ( ppfrc ), steel fiber reinforced concrete ( sfrc ) and mixed fiber reinforced concrete used in plate of bridge are studied. the performances of concrete with different fiber content, such as compression strength, tension strength, splitting tensile strength, frost resistance, shrinkage, early shrinkage and chloride ion diffusion coefficient ( dcl - ) are studied
分別研究了改性聚丙烯纖維、鋼纖維和混摻纖維對橋面板用混凝土性能的影響,研究了不同纖維摻量混凝土的抗壓強度、抗折強度、劈裂強度及抗凍性、干縮性能、早期開裂和氯離子擴散系數進行了試驗研究。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;通過分析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離析的技術措施;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;研究了纖維在輕集料混凝土中的增強增韌、減少收縮的作用機理。The dispersity and stability of the graphite aqueous suspensions was investigated with centrifugation, the violet visible spectrophotometer, the laser particle size analyzer and scanning electron microscopy ( sem ). the following aspects of the production technique were carefully studied : 1. the effects of surfactants, poly ( vinyl alcohol ) ( pva ), poly ( vinyl pyrrolidone ) ( pvp ), sodium alginate ( sa - na ) and poly ( sodium acrylate ) ( pa - na ) on the suspension stability of graphite were investigated
本研究的主要內容有以下三個方面: 1 、研究了陰離子表面活性劑、非離子表面活性劑、聚乙烯醇( pva ) 、聚乙烯基吡咯烷酮( pvp ) 、海藻酸鈉( sa - na ) 、聚丙烯酸鈉( pa - na )對石墨在水中分散性和穩定性的影響; 2 、研究了分散方法、分散介質、 ph值及羧甲基纖維素鈉( cmc )含量對石墨在水中分散性和穩定性的影響; 3 、研究了聚乙烯醇( pva ) 、聚乙烯基吡咯烷酮( pvp ) 、海藻酸鈉( sa - na ) 、聚丙烯酸鈉( pa - na )四種助分散劑與羧甲基纖維素鈉( cmc )復配對石墨在水中分散性和穩定性的影響。This is to say, pu composite hollow fiber membranes pore size can become large with transmembrane pressure increasing, and can recover completely with transmembrane pressure reverting to original pressure at a specification condition. from the hagen - poiseuille equal ion, pu composite hollow fiber membrane pore radius magnification was calculated. in our experiment, the variation of membrane pore radius attained to much six times larger than the primitive membrane pore radius
根據一般非變形膜的純水通量一壓力差的直線關系,首次提出了孔徑變化分離膜的純水通量一壓力差的曲線關系,並根據hagenf公式,理論上計算出了幾種pu復合中空纖維膜最大變形時的膜孔徑為原始膜孔徑的倍數,最小膜孔徑變化也達到原始孔徑的一倍多,最大膜孔徑變化達到原始孔徑的六倍多。We also investigated the factors including feeder layer cells, growth factors and complements, which may affect the cultivation and differentiation of these cells in vitro. the main contents as follows : ( 1 ) isolation and culture of mouse embryonic fibroblast ( pmef ) and preparation the feeder layers
主要內容包括: ( 1 )小鼠胚胎成纖維細胞( mef )的分離培養和飼養層細胞的製作以妊娠13 . 5天或14 16天的小鼠為材料,建立了mef分離培養體系。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,分別構建了prset a雌、 pgex4t d唾倉和pgex4tl七三種原核重組表達質粒,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,利用固定於硝酸纖維素膜上的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進行初步的分離純化。Abstract : this paper introduces not only the main characteristics and yarns manufacturing four highly - functional fibers but also its latest development
文摘:介紹了模擬纖維、防護功能纖維、分離功能纖維、保健衛生功能纖維和傳導性纖維等高功能纖維的主要特點、生產方法以及世界纖維最新發展動態。And finally, we develop the software system based on forcecontrol configuration software. we present the dynamic vision to user friendly, which makes the operator monitor the whole production process
最後利用大慶三維公司的力控組態軟體對上位機軟體系統進行開發,為用戶提供友好、簡單、方便的動態顯示界面,使操作者可以一目了然地對整個纖維分離過程進行監控,以滿足用戶對纖維分離工藝的特殊要求。分享友人