纖維強度 的英文怎麼說
中文拼音 [xiānwéiqiángdù]
纖維強度
英文
fiber strength-
The order of four soil biochemical intensity being sensitive to heavy metal pollution indicated as : nitrification > nitrogen fixation > decomposition of cellulose > ammonification. however, soil microbial biomass c : n ratio increased with the increasing of heavy metals level
幾種生化作用強度的下降順序為硝化作用固氮作用纖維素分解強度氨化作用;但土壤微生物生物量碳氮比則隨著重金屬污染水平的升高而增加。By optimizing the parameters such as the additive quantity of corn straw fibre, the content of amylum, the dosage of vesicant, the selecting of accessorial material, and the temperature of frothing, the cushion packaging material that has decompounding capability was prepared, and the factors influencing the mechanical strength of this material was analyzed by the method of static compress test
通過對玉米秸稈纖維添加量、澱粉含量、發泡劑用量、輔料選擇、發泡溫度等參數的優化,實驗制備了具有可降解性能的緩沖包裝材料,並利用靜態壓縮實驗方法對該材料力學強度的影響因素進行了分析。Results show that : ( 1 ) for each particle size of andalusite, variation tendency of the properties of the material is generally the same : the maximum of bulk density, compressive strength and rupture strength appears in the range of 5 % - 10 % content of fiber, these properties of the material remarkably decrease as the fiber content exceed 10 % ; while at the same fiber content, the properties of the material increase with the increase of firing temperature
結果表明: ( 1 )對于不同粒度的原料,性能變化規律大致相同:在同一燒成溫度下,體積密度、常溫耐壓強度、常溫抗折強度在5 10之間出現峰值,加入量超過10之後材料的性能明顯下降;在相同的纖維含量下,隨著燒成溫度的提高,試樣的各項性能均有所上升。It is discussed preliminarily that the application of plaster tiny fiber in improvement of paper strength, and have reached the best technology condition of beating degree that plaster tiny fiber applied in improvement of paper strength
摘要本文主要針對石膏微纖維對紙張增強的應用進行了初步探討,並得出了石膏微纖維應用於紙張增強時紙漿打漿度的最佳工藝條件。The fibers lose strength and become brittle.
纖維強度下降,且易斷。To improve the binding strength between the deck slabs and deck surfacing layer of badong changjiang river highway bridge and to provide the surfacing layer with anti - cracking ductility, a series of technical measures has been taken in the construction of the deck surfacing of the bridge, including those of embedding binding reinforcement in the deck slabs, spraying inorganic binding agent between the slabs and layer, replacing part of the cement with micro expansion agent and adding appropriate amount of polypropylene fibers to the concrete
摘要巴東長江公路大橋橋面鋪裝,通過採取預埋橋面粘接鋼筋、噴塗無機界面粘結劑、用微膨脹劑替代部分水泥、在混凝土中摻入適量的聚丙烯纖維等措施來提高橋面板與鋪裝層間的界面粘結強度和給橋面抗裂增韌。In allusion to some types of the functional fibre s performances and characters the paper mainly has this fibres microstructure scanned by electron microscrope. in addition we also discuss their differences of microstructure eroded by the plasm. meanwhile by performing mechanics analysis we get theoretical analysis of their space - conglomerating structure. finally we perform analysis of the ultraviolet radiation and analysis of the caloricr weightlessness. as a result these types of fibre not only keep their own fine traits, but also own good conglomerating structure, crystal limit, calorifics performance and mechanics performance. compared with the ordinary fiber, the neatness of high - contracted polyester fiber increases and it s diameter also increases. there are bubbles in the burning - resisting viscose fiber and it has smooth vertical structure
對應子高收縮的滌綸纖維的平整度有所提高,有較普通纖維變粗的趨勢;在難燃粘膠纖維裏面有氣泡,其具有較明顯的光滑平整縱向結構;滌綸系列棉纖維,在其耐刻蝕方面是比較強的,僅有均勻的小部分刻蝕現象;抗菌衛生級粘膠纖維的刻蝕效果是較差的:難燃的粘膠纖維,刻蝕的效果最好;而抗紫外粘膠纖維刻蝕的效果略有遜色。To avoid overmany crossings of fw layers, which reduce the using of the filament strength, the number of the tangency points is chosen to one
為了避免fw層的交叉點過多而影響纖維強度的發揮,所選擇的切點數為1個。In addition, a new analytical method was used to solve the shear strength of the fiber / epoxy interface. the result showed good agreement with that from the kelly - tyson equation. meanwhile, according to the sfc tests of the single fiber reinforced epoxy matrix composites treated by four types of surface treatments, the interfacial adhesion conditions were estimated by critical fiber length, interfacial shear strength and single fiber microdamge mode
此外,文中對單纖維復合材料斷裂實驗運用了新的解析方法,求解了玻璃纖維環氧復合材料界面的剪切強度,與kelly - tyson等式方法求得的界面剪切強度有著很好的一致性;同時,對四種不同表面處理劑處理的單纖維復合材料斷裂實驗進行了分析,從臨界纖維長度、界面剪切強度和單纖維斷裂實驗中纖維斷點周圍基體形貌評價了界面的粘結情況。When draw down ratio was greater than 1, the dope thread in the air gap was axially drawn with the rising of orientation degree so the fiber tenacity was strengthened
在噴頭拉伸比大於1的情況下,原液細流在空氣層中得到軸向拉伸,加大了初生纖維的取向度,所以纖維強度得到加強。Plastics - glass - fibre - reinforced products - determination of fibre length
塑料.玻璃纖維增強產品.纖維長度測定The results indicate that pet fibers are very susceptible to degradation, causing a large deterioration in stress and strain and surface morphology is modified to a great extent
結果表明,紫外輻射后的聚酯纖維強伸度大幅度下降,表面形態發生了很大的變化。The essay researched the compressive strength, bending strength, impact resistance and abrasion resistance of high strength polypropylene fibermesh concrete the mechanism of enhancing the properties of high strengh poloypropylence fibemesh road concrete composite was discussed and analyzed the regression on tensile strengh with portland cement mixed with fiber was derived using experiment the tensile strength of fiber soil stablization with porland cement was increased with dosage and length of fiber while the former was more effective than the latter test and analysis results indicate that polypropylene fiber can not only reinforce the strength of concrete, but also obviously promote the flexural fatigue life by the great stress the application of polypropylence fiber reinforced concrete in pavement construcion are also introduced
文章研究了不同摻量有機纖維混凝土的抗壓、抗折強度、抗沖及性能、疲勞性能及耐磨性等各種路用性能,綜合論述了有機纖維對水泥混凝土路用性能的影響。通過試驗闡述了纖維水泥混凝土各種路用性能與纖維摻量、長度間的關系。分析表明纖維水泥混凝土隨著纖維摻量和長度增加而增加,且纖維摻量對纖維混凝土抗拉強度的影響比纖維長度的影響更大。Simultaneity, various single fiber strength tests ( sft ) and the single fiber fragmentation techniques were discussed, and the influence of fiber surface treatment on the single fiber strength and the interface load - transfer were discussed in detail. the two parameters weibull statistic theory was used to evaluate the scattering of the tensile strength test results of three types of single fibers with different surface treatments. the following conclusions can be drawn based on the analysis of the results
同時,文中詳細討論了單纖維強度測試實驗( sft )和單纖維復合材料斷裂實驗( sfc ) ,重點討論了纖維表面處理對單纖維拉伸強度和界面載荷傳遞能力的影響;採用兩參數weibull統計理論對經過三種不同表面處理的單纖維拉伸強度的測試結果的分散性進行了評價,獲得了理想的實驗結果;分析實驗結果可得到如下結論, sft實驗與sfc實驗獲得的界面剪切強度吻合良好;經過表面處理的玻璃纖維的界面粘結情況較未經處理的玻璃纖維好;經過表面處理的玻璃纖維的界面粘結強度和單纖維拉伸強度均高於未經表面處理的玻璃纖維。This was due to three reasons : ( 1 ) baso4 particles were rigid inorganic particles, which could hinder the retraction of polymer molecules and decreased the elasticity. ( 2 ) a bad compatibility between baso4 and tpu, small interface adhesive force and the phase interface ready to separate. ( 3 ) during high content of baso4, the tenacity of filament mainly depended on tpu, so that the strength decreased with the content of tpu in filament down
這是因為: baso _ 4屬于剛性粒子,阻礙tpu大分子鏈的回縮,降低了纖維的彈性; baso _ 4與tpu相容性極差,共混時容易形成相界面,界面結合力小,受外力作用時相與相間容易發生分離,使纖維的力學性能下降; baso _ 4在高含量下,纖維強度主要由聚合物的力學性能決定,隨著baso4含量的增加, tpu所佔比例下降,從而在宏觀上表現出纖維的力學性能下降。The test results show that the measured strength is similar to marked strength, and with a deviation of 12 - 17 %
試驗對比的結果表明,碳纖維原絲強度與其標稱強度值相差不大,碳纖維強度測試結果的誤差范圍為12 17 。When the reinforced glass fibers ( gf ) gradient distribution, the same reinforced role can be achieved in the lower volume of the reinforced fibers, because the distribution of the r einforced fibers is coincident with the stress distribution of the specimen
纖維梯度分佈,增強纖維較多的分佈於受拉區,纖維的分佈更符合材料(構件)的受力方式。在承受最大彎拉應力部位,梯度分佈的纖維含量比均勻分佈高,因此梯度分佈比均勻分佈對抗彎強度的提高更明顯。The fluctuation of the fibers " velocity and angular velocity was considered, too, and the influence of flow velocity on them was obvious : the fluctuation intensity of fibers " velocity on flow direction was larger than that on cross direction, while it was opposite for the fluctuation intensity of fibers " angular velocity
同時又考慮了纖維速度和角速度的脈動,二者都充分體現了流體速度脈動的影響,且纖維速度的脈動在流向上的強度大於橫向,而其角速度的脈動在流向上的強度小於橫向。( 2 ) after modification with nano - particles, the strength of uhmwpe fiber has no obvious change, the modulus increases greatly, while the breakage elongation decreases a little
用納米粒子改性后,纖維強度基本不變,模量大大提高,斷裂伸長有所減小。The tensile strength of carbon fibers generally lowered than that without heat - treatment, and the decreased value was various with the different temperature treatment
高溫處理導致炭纖維拉伸強度發生較大損失,在本次試驗中,在不同的熱處理溫度下,纖維強度下降的程度不同。分享友人