纖維穩定性 的英文怎麼說
中文拼音 [xiānwéiwěndìngxìng]
纖維穩定性
英文
stability of fiber- 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 ...
- 穩 : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 纖維 : fibre; staple; filamentary
- 穩定性 : antiwhip
- 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
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Through the experimental research, we think : the technological capacity of fiberglass asphalt macadam if weaker than asphalt macadam, however, if use elasticized capacity to solve blending technological problem. adjust the breed of fiber silk, extend its diameter, its paving capacity is still worth exploring, asphalt - rubber macadam structure lager have good deformed - become capacity and crazed - resistance capacity, small gap rate. good water - resistance capacity, good hot - stability and simple construction technology. therefore. pitch rubber spall is a good cover material which is suitable for the second class or lower whose asphalt pavement has split open because of fatigue. and is the good structural measure of preventing half - rigidity grass - roots unit shrink - rift reflecting. pave a thin layer of pitch rubber spall between asphalt - type pavement layer and half - rigidity basic level, although the cost of building is higher than paving togongbu in the middle, the construction technology, crazing - resistance and water - resistance are better than togongbu, not only could reduce greatly the reflex of half - rigidity grass - roots unit material, long then the use lifespan of pavement, but also it is possible to reduce suitably the thickness of asphalt mixture layer, though the cast of building in the early days becomes more, in the long - term opinion, it have fully important technological and economical significance
通過試驗研究認為:玻璃纖維瀝青碎石的技術性能不如瀝青碎石好,但路用彈性性能較好,如能解決拌和工藝問題,調整纖維絲的品種,增大其直徑,其路用性能仍值得探討,瀝青橡膠碎石結構層具有變形性能和抗裂性能良好,空隙率小,防水性能好,熱穩定性較好,施工工藝簡單的特點,因此,瀝青橡膠碎石是二級及二級以下公路因疲勞而開裂的瀝青路面的良好罩面材料,也是防止半剛性基層收縮裂縫反射的良好結構措施,在瀝青類路面面層和半剛性基層之間夾鋪瀝青橡膠碎石薄層,雖然造價比夾鋪土工布高,但其施工工藝,抗裂性能和防水性能均優于土工布,不僅可以大大減少半剛性基層材料的反射裂縫,延長路面使用壽命,而且可能適當減薄瀝青混合料面層的厚度,雖然初期造價有所增加,從長遠來看,具有十分重要的技術和經濟意義。The initial study to strengthen tissue engineering stand fibrin glue stability
纖維蛋白膠穩定性的初步研究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。These standards are the minimum performance levels ( a maximum for dimensional stability and spirality ) required to ensure fitness for purpose, and are based on fabric type and end use
這些標準為保證達到目的並依據面料種類和用途所要求的最低性能標準(也為可量化的穩定性和纖維轉曲度的最大值) 。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 。Finally, the mechanisms behind the instability of fibre suspensions are presented from a point of view of vorticity. effects of fibres are investigated through equations of vorticity transport and enstrophy balance
從渦量的角度分析纖維改變懸浮流動穩定性的機理,利用渦量輸運方程與渦能平衡方程分析纖維的作用。The degrees of crystallinity of pure ptfe under the different conditions of water cooling, air cooling and furnace - varying cooling were made comparison by xrd. the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber, solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig. the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine, the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine
用sem表徵原料微觀結構、摩擦表面及潤滑轉移膜表面形貌:用xrd進行原料物相分析,及比較水冷卻、空氣冷卻、隨爐冷卻三種工藝條件下的純聚四氟乙烯樹脂的結晶度;用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性;用xps表徵碳纖維表面、固體潤滑劑摩擦前後表面、潤滑轉移膜表面的元素組成、價態變化;用銷盤式摩擦磨損試驗機對固體潤滑劑進行摩擦性能測試;採用專用的臺架模擬試驗機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副間的摩擦磨損性能進行測定;用萊次偏光顯微鏡( pm )測試固體潤滑劑的硬度;用材料試驗機測試固體潤滑劑的抗壓強度等。The effects of mineral additive such as fly ash, slag, and dura fiber on concrete expansive property are studied, the results show that these mineral admixture reduce shrinkage in common concrete and also reduce expansive value in shrinkage - compensating concrete
本文討論了粉煤灰、礦渣、杜拉纖維對混凝土膨脹性能的影響,在補償收縮混凝土中,摻合料使其膨脹率減低,杜拉纖維可以提高混凝土的體積穩定性,顯著提高劈拉強度。However, the mechanical properties and orientation of fiber changed little. montmorillonite could also improve the thermal stability of microstructure in pet fiber. we suggest that the strong coherence of the interfaces between montmorillonite microparticles and pet restricts the motions of pet molecular chains, developing " the special continuous network structure " and effectively prohibiting the thermal shrinkage of pet fiber
此外,蒙脫土的添加也有效地提高了纖維的熱尺寸穩定性,我們認為這可能是由於片層結構的蒙脫土在pet基體中類似分子網路交聯點,起到了應力支承點的作用,使分子網的連續性和完善程度變好,有效抑制了纖維的熱收縮。Soybean protein fiber is of many excellent properties, but poor crinkle - proof and dimension statility
摘要大豆蛋白纖維具有許多優良的服用性能,但存在抗皺性和尺寸穩定性差的缺陷。Kiln guiding - rail bricks, supporting suspension bricks and ultra - thin extruded batts are recently developed for the phenomenon of pollution and pulverization caused by using insulation bricks or high - temperature refractory wool in the kilns. they are made from cordierite and mullite with a high strength. they can cover the kiln wall structure made of refractory fiber, greatly reduce pollution and pulverization, remarkably save the energy, easy to be constructed on worksite, and the aspect is beautiful and novel. they are ideal material for large - scale shuttle - kiln or computerized puadrate kiln
窯體道軌磚及支撐吊磚和超薄中空板是針對目前窯爐採用傳統耐火材料在使用過程中由於組多原因造成落臟或粉化現象而開發生產;它是堇青石-莫來石材料製造而成,強度大,熱穩定性佳、覆蓋耐火纖維製品組成窯爐墻體結構,它能大大減輕落臟與粉化現象,節能效果十分明顯、施工方便、整體美觀新超是高級大型梭式或電腦方窯等窯爐的理想材料。The diaphragm had the ability to detect the positive serum when it was diluted to 2 ' 11 and so it has good sensitivity ; stored at 4 for at least 7 months, the sensitivity and specificity of the diaphragm did not change, so it has good stability ; when 10 positive serum was detected 3 times, the result is reproducible, so the diaphragm has good reproducible. serums from experimental inoculated piglets was detected. the results showed that when the titer is l : 16, the pigs were infected with streptococcus suis ; and when 1 : 64, the pigs could survive after challege with streptococcus suis. all the results have shown that dot - ppa - elisa was a convenient, rapid, sensitive specific useful method for the detection of antibody
該法以硝酸纖維素膜為固相載體,包被膜載抗原製成的診斷膜片具有良好的特異性:不與仔豬副傷寒、豬巴氏桿菌病、豬大腸桿菌病、豬衣原體病、豬瘟、豬細小病毒病、豬偽狂犬病、豬布氏桿菌、豬丹毒陽性血清反應;膜片具有良好的靈敏性,陽性血清作2 ~ ( - 11 )稀釋亦能檢出;膜片具有良好的穩定性,在4至少能保存7個月,其靈敏性不變。According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. in the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability ( including stiffness section dimension, stiffeners space, skin thickness and skin lay angle ) is optimized one by one for the structure design parameters on the base of the fem model of skin, stiffness and layover block by fem. as a result, the prototype with 1 : 1 proportion and its structure and lay optimization design are completed. the moulding technology for polyurethane foam moulding the stiffened shell is obtai ned in terms of the design, manufacture moulding, experimental mould and tooling
依據在研產品特殊的外型結構和使用要求,確定了該型號水雷復合材料殼體的具體結構形式和復合成型工藝路線,即由纖維纏繞工藝成型主體異形件,閉模成型帶通槽外貼塊,用限位加壓工裝實現粘接的工藝路線;通過對原材料體系的篩選,確定了綜合性能較好的復合材料體系,以此為基礎進行了力學性能測試;運用有限元方法,建立了蒙皮、筋條和外貼塊的分析模型,綜合考慮結構特點和設計要求,對影響結構強度與穩定性的主要因素(包括筋截面尺寸、筋間距、蒙皮厚度、蒙皮鋪層角度)分別進行了結構設計參數的優選,最終完成了復合材料異形耐外壓殼體1 : 1樣件和縮比實驗件結構及鋪層優化設計;完成了聚氨酯泡沫胎成型內置加筋殼體的成型工藝技術研究;對縮比件進行外壓性能測試,並給出了應力、應變測試結果。The fiber of bamboo is application that market that our country in recent years new - developped high and new technique, compare with traditional glue manufacturing to have the good function in its oneself with the amplitude development space, its downstream product extend quickly with expansion, the market has walked into europe, these doubtless is for this new - born product of the development provide the good development opportunity. but face international go together with the developing country to our country the trade barrier of the textile product up the competition of the industry turn worse, again to the business enterprise under the new surrounding of the development put forward the new request, therefore, quickly the business enterprise information turns developments and promote business enterprise inner part management, increase the technique industry chain with deal with additional value, end extend business enterprise of the product, make business enterprise vitality forever
竹類纖維原料的優勢是生長時間短,資源豐富,在我國眾多的省份均有適于生產漿粕的竹類原料。經過幾年的試生產,我公司已經摸索掌握了竹類原料生產竹漿粕的關鍵技術,漿粕產品達到了化纖生產行業短纖維的技術標準和要求,用該發明產品紡紗織布后,具有明顯的不同於棉、木纖維的特性,且強力好、均一穩定、耐磨、可紡性優良,製成的織物可濕性也好,懸垂性好,手感柔軟、光澤靚麗、貼涼爽和染色性佳、絲綢感強以及抗菌、防紫外線膚、除臭等多種功能,市場前景十分廣闊。The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc
在分析各國ogfc級配的基礎上,運用礦料體積法進行ogfc級配設計,用正交實驗對礦料級配進行了優化設計,運用數理統計方法分析礦料級配和孔隙率之間的關系,並回歸出礦料關鍵篩孔通過率與ogfc骨架空隙結構關系的數學方程,進而提出了ogfc的合理級配;通過對不同孔隙率典型級配混合料的性能研究,綜合力學和功能性能,得出了ogfc的合理孔隙率范圍:針對高速公路面層對ogfc力學性能方面的要求,本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善:通過sbs和橡膠粉復合改性的方法開發出了適合ogfc的高粘度改性瀝青,摻加聚合物纖維,提高ogfc的最佳瀝青用量,進而改善了混合料的高溫性能和抗水損害性能,優化設計出能滿足高速公路路用性能,車轍動穩定度達5000次/ mm以上,動融劈裂強度比90 ,透水系數31ml / s ,並具有防滑降噪功能的開級配瀝青磨耗層( ogfc )混合料。High acidity coefficient, good chemical stability and fiber durability
酸度系數高,具有良好的化學穩定性及纖維耐久性。Both ramie and flax are hydrophilic fibers, their thermal stability is not pretty well
麻纖維素含有大量羥基,親水性強,熱穩定性較差,加工成型溫度不宜過高。The advantages of dual grafts for bridging defects are as follows : ( 1 ) mechanical fixation is better than fixation by a single onlay bone graft ; ( 2 ) the two grafts add strength and stability ; ( 3 ) the grafts form a trough into which cancellous bone may be packed ; and ( 4 ) during healing the dual grafts, unlike a single graft, prevent contracting fibrous tissue from compromising transplanted cancellous bone
雙側植骨橋接骨缺損的優點包括:機械固定作用比單側貼附植骨更好;雙側植骨可增加強度和穩定性;雙側的植骨可形成一骨槽,可在其中壓緊松質骨;與單側植骨不同,雙側植骨在愈合過程中可防止攣縮的纖維組織危害移植的松質骨。And another brake material formula also can be achieved in which the carbon fiber was replaced by the wood fiber based on the researching of the effect of fibre, resin and filler in multi - fibres hybrid composite test result shows that the formula material have a relatively suitable friction coefficient ( ranging around 0. 35 ), good fade resistance and recovery as well as low wear ratio. by comparing the formula material with the product of national and abroad sold in the market, its low cost and excellent properties make a bright prospect
在研究各種纖維、樹脂和填料對混雜纖維復合摩擦材料摩擦學性能影響的基礎上,本文研製開發出分別適用於中重型車與中小型車用的剎車摩擦材料的最佳配方和一種含木纖維的多種纖維混雜復合摩擦材料的最佳配方。將所選配方的剎車材料與市售的國內外品牌剎車片進行對比,結果表明本課題所開發研製的摩擦材料的摩擦系數都在0 . 35左右,具有很好的摩擦系數穩定性和抗熱衰退性,磨損率也較小,綜合考慮到配方試樣原料成本較低,在性價比上具有一定的優勢。Standard test method for stability of cellulose fibers in alkaline environments
堿性環境中纖維素纖維穩定性的標準試驗方法分享友人