impact bending 中文意思是什麼
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On the basis of this equation, the general differential equations of coupled bending, torsional and pendular nonlinear vibration about rotor with unbalance character and rubbing character are deduced. the bifurcation and chaos behavior especially the influence on bifurcation and chaos behavior of impact and rubbing fault rotor system
應用數值方法研究了碰摩轉子的彎扭擺耦合振動相應的復雜動力學行為，重點研究了轉子轉速、偏心量等系統參數對碰摩轉子彎扭擺耦合振動的分岔和混沌行為的影響以及扭轉振動和擺動振動對彎曲振動的影響。 -
In this paper, the rotating machinery at high speed is studied. there are discussed about numerical calculating methods for non - linear dynamical system, the rotor system radial impact and rubbing dynamics behavior analysis having the nonlinear rigidity on the unsteady and non - linear oil film, the rotor system dynamics behavior analysis with bending - torsional - pendular coupling vibrations, application of wavelet, fractal and network in fault diagnosis. the main works in this paper are as follows : ( 1 )
本文以高速旋轉機械為主要研究對象，系統、深入地研究了非線性動力學系統的數值計算方法、具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學行為、轉子彎扭擺耦合振動的動力學分析、小波和分形理論及人工神經網路在故障診斷中的應用問題。 -
Alternating impact bending test
交變沖諱曲試驗 -
Impact bending test
沖諱曲試驗 -
Impact bending strength
沖揮曲強度 -
The properties of product : may replace copper, the pakistan alloy and so on the nobie metal, has the fine self lubrication, the high anti - impact intensity and the bending strength, saves the spouse, the comprehensive cost low status merit, the rub proofness is copper2 - 3time, is hard4 - 6time
產品性能：可代替銅、巴氏合金等貴重金屬，具有優良的自潤滑性，高耐磨性、耐腐蝕性、高抗沖擊強度和彎曲強度，節省配偶件，綜合成本低等優點，耐磨程度是銅的2 - 3倍，是鐵的4 - 6倍。 -
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。 -
The following results are achieved : ( 1 ) in accordance with the empirical electron theory of solids and molecules, considering the number of covalent bond pairs on the strongest bond in a segregation structure na, the elements for matrix - strengthening can be chosen. ( 2 ) on the basis of the available phase - equilibrium thermodynamics calculation of alloy system and phase diagrams, which have been worked out, the contents of alloy elements can be identified with reference to the types, quantity and phase - transformation of carbides. ( 3 ) both the values relating to toughness ( including bending strength, yield strength, impact value of unnotched samples ) and hardness of new dm9 die steel are higher than those of crl2mov die steel
結果得出： （ 1 ）根據固體與分子經驗電子理論，利用偏聚結構單元的最強共價鍵上的共用電子對數n _ a ，可以選擇工模具鋼基體相的強化元素； （ 2 ）根據合金系相平衡熱力學計算及已有的相圖，可以碳化物類型、數量及其相變確定合金元素含量； （ 3 ）新型dm9鋼在強韌性（抗彎強度、屈服強度、無缺口沖擊值）和硬度方面均高於cr12mov鋼； （ 4 ）以dm9鋼與6crw2si 、 7cr2wmovsi （ dm7 ） 、 h13和cr12mov四種模具鋼的實驗比較，進一步驗證了上述冷作模具鋼合金設計方案是合適的。 -
Superior mechanical characteristic, better impact and bending resistance, bending radius loss insignificant for 2mm
機械強度高，具有良好的抗彎曲抗沖擊能力，其中彎板強度達到彎曲 -
Non - shrink, non - bending, breaking - proof, scar - proof, impact - proof plastic steel materials
無收縮、不彎曲、耐摔、耐刮、耐撞擊之塑鋼材。 -
I t features good impact redidtance, toughness, bending rigidity, it will not be damaged when its suffering from sand blown by wind
古象鋁塑復合板，耐沖擊性強、韌性高、彎曲不損面漆，抗沖擊力強，在風沙較大的地區也不會出現因風沙造成的破損。 -
Testing of wood ; impact bending test ; determination of impact bending strength
木材的檢驗.沖擊彎曲試驗.沖擊彎曲強度的測定 -
Test methods of bending and impact for building boards
建築用板材的彎曲和沖擊試驗方法 -
Fiber - reinforced composites will dissipate energy by all sorts of damage when they are subject to low - velocity impact. the damage in the composites influences the mechanical properties of the composites, including bending strength and compressive strength
纖維增強復合材料在受到低速沖擊時，會通過各種形式的損傷耗散沖擊能，這些產生於材料內部的損傷嚴重影響材料的彎曲強度、壓縮強度等力學性能。 -
The result showed with the increase of the acrylonitrile content, the density, tensile strength, and bending strength of the copolymer increased at the same time, while the impact strength, vicat softening temperature and hardness of the copolymer changed little
結果表明，共聚物中丙烯腈含量增加，共聚物的密度、拉伸強度和彎曲強度均相應地提高，而沖擊強度、維卡軟化溫度及硬度變化不明顯。 -
The impact of the shape - change trend towards round on bending stress during the process of pressure increase was researched, a common formula and a simplified one for bending stress calculation were established, the formula of maximum bending stress caused by round degree of cylindrical vessels was deduced, the calculation method for wall thickness of pressure vessels of elliptical cross section was introduced
摘要研究了橢圓形截面容器在升壓過程中的趨圓變形對彎曲應力的影響，建立了彎曲應力通用計算公式和簡化計算公式，導出了由圓度引起的圓筒形容器最大彎曲應力計算公式，給出了橢圓形截面容器壁厚的計算方法。 -
In order to improve the mechanical properties of frp, the coupling agent kh - 570 is added to strength adhesive of surface of the reinforcements, the results indicate that the bending strength of the specimen reach to the original level and the impact property of the specimen is also improved
根據抗靜電阻燃樹脂體系的粘度、凝膠時間，確定了rtm工藝參數，並以該工藝成功制備出frp包裝箱，其抗靜電性能、阻燃性能及力學性能能夠滿足作為武器裝備包裝箱的特殊貯運要求。 -
The result showed when common montmorillonite, in which the mass fraction of montmorillonite was 75 %, was used as modifier, the bending modulus of the compound increased by more than 60 %, impact strength increased by a factor of 2, recovery ratio reduced 35 %, and the compound had good processability
結果表明，在採用蒙脫石質量分數為75 %的普通蒙脫土時，專用料彎曲模量提高60 %以上，沖擊強度提高一倍，回縮率降低35 % ，並且加工性能良好。
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