mechanical factor 中文意思是什麼

mechanical factor 解釋
機械因素
  • mechanical : adj 1 機械的;機械制的。2 機械學的,力學的;物理上的(opp chemical)。3 機工的,技工的;自動的;...
  • factor : n 1 〈英國〉經銷人;(代客買賣收取傭金的)經紀人;代理商;代辦人;〈蘇格蘭語〉 土地經管人。2 要素...
  1. The relations between piezoelectric characteristic such as piezoelectric constant, electromechanical coupling coefficient, mechanical quality factor, etc. and its components, granular diameter and manufacturing technology were studied

    研究壓電材料壓電常數、機電耦合系數、機械品質因數等特性與其組份、顆粒直徑及製作工藝過程之間的關系。
  2. So it can be used as both sensor component and driving component. pzt have better electromechanical coupling coefficient, piezoelectric constant, mechanical quality factor, curie temperature and stability, etc. so, pzt can be used widely in smart materials and structure

    與其它壓電陶瓷相比,鋯鈦酸壓電陶瓷( pzt )有較好的機電耦合系數、壓電常數、機械品質因數、居里溫度和穩定性等,因此, pzt能廣泛應用於智能材料結構中。
  3. But there is a main question that pvdf does not be in p phase with higher piezoelectric property, but be in other phases with lower or without piezoelectric property, thus, which can not improve distinctly piezoelectric constant d33, reduce notably dielectric spoilage ( tg5 ) and raise remarkably mechanical coupling factor ( kp ) of 0 - 3 pzt / pvdf piezoelectric composite, so these will restrict its development and application. in this paper, 0 - 3 pzt / pvdf piezoelectric composite will be prepared by room pressing - solidity, high - temperature - pressing and room - pressing techniques respectively

    由於這個壓電復合材料體系存在一個主要問題? pvdf在0 ? 3型pzt / pvdf壓電復合材料中通常不是以具有較強壓電性的相晶態形式呈現,多是以其它的相態存在,不能有效地提高0 ? 3型pzt / pvdf壓電復合材料的壓電常數d _ ( 33 ) 、降低介電損耗tg和增大機電耦合系數kp等壓電和介電性能,從而嚴重地制約它的發展和應用。
  4. The compatibility and harmony among workability, mechanical grade and durability are optimized, with the ground of adjusting composition and dosage of fd - 1 ; after analyzing anti - freezing damage mechanism, it is concluded that temperature is main factor, which affects structure and property of concrete. after two processes of temperature - elevation of hydration heat and temperature - descent of cold - environment, there is original damage in concrete and its existence leads to temperature fields, as results in temperature damage on transition phase > aggregate and cement mortar of concrete

    通過對負溫混凝土早期防凍分析研究認為,環境溫度對混凝土的結構形成及其性能的影響十分突出,水泥水化溫升和環境散熱降溫兩個過程導致混凝土結構內部產生不均勻溫度場,對過渡相、水泥砂漿以及骨料都能產生不同程度的溫度損傷,產生內部溫差應力裂紋,初始損傷也是不可避免的。
  5. Comparing with internal heating type fluidized bed, vibration fluidized bed, which get the material to fluidized state through mechanical vibration, can improve thermal utilization factor, quality and reduce steam and power consumption, and one time investment while keeping all advantages of internal heating type fluidized bed

    振動式流化床是一種利用機械的振動,使物料達到流化狀態,它在保留內熱式流化床乾燥器優點的基礎上,在熱利用率,產品質量,降低蒸汽及電力消耗,設備一次性投資低等方面均較內熱式流化床有較大提高。
  6. Electro - mechanical coupling factor

    機電耦合系數
  7. According to the geological data which was gained by exploration investigation, establishing a geological model which can reflect rock mass characteristics ; with analyzing the internal and exterior factors synthetically, the deformation and possible failure mechanism and mode of the cut slopes was confirmed which combines with stereoic projection and other techniques ; the stabilities of the 14 high slopes are estimated synthetically by applicable design codes and guidelines. with the estimate result and some other analysis methods, the rock mass mechanical parameters of slope are identified ; as a results, 14 high slopes fall into 4 categories based on rockmass characteristics and discontinuities. the stability and deformation of some typical slopes was analyzed with distinct element method by udec ; the safety factor of some dangerous slopes are calculated by rigid limiting equilibrium method for comparison

    首先著重研究影響邊坡穩定性的內在因素,主要是通過地質勘探、測量、現場觀測等手段取得研究區地質體的基礎地質資料,建立起能夠反映地質體結構特徵的地質模型;隨后綜合分析潛在的內外部影響因素,並結合赤平投影對邊坡可能的失穩模式或破壞機製作出判斷;運用已有巖體質量分類方法對沿線14個高陡邊坡穩定性進行初步的評價,並結合試驗研究、經驗判斷、工程類比等手段確定了坡體的巖體力學參數;根據穩定性初步評價結果將研究區14個高陡邊坡按開挖方式分為4大類,並利用離散元程序udec對各類典型高陡邊坡進行了穩定性計算分析;對潛在危險邊坡利用剛體極限平衡法求出了不同工況下的安全系數。
  8. When the transportation load is long - term evenly distributed, the influences of each relevant factor, i. e. pipeline depth, diameter, deformation module of foundation, poisson ratio of soil and tyre pressure of vehicles, toward mises stress and vertical displacement of pipelines are discussed. when the transportation load is movable and invariable, the changing rules of mises stress and vertical displacement during the vehicle ' s movement are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are discussed. when the transportation load is stable and simple harmonic, the changing rules of mises stress and vertical displacement during the time of load function are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are also discussed. in three - dimensional analysis, mises stress and vertical displacement of pipelines under three kinds of transportation loads are calculated, and the analysis and discussion of correlative factors are also made

    當交通荷載為長期均布荷載時,討論了各相關因素,包括管道埋深、管徑、地基變形模量、地基泊松比和車輛輪壓大小分別對管道mises應力和豎向位移的影響;當交通荷載為移動恆載時,計算並分析了車輛行駛過程中管道mises應力和豎向位移的變化規律,討論了車速和車輛輪壓對這兩個管道力學性狀的影響;當交通荷載為穩態簡諧荷載時,計算並分析了荷載作用時間內管道mises應力和豎向位移的變化規律,討論了車速和車輛輪壓對管道力學性狀的影響。
  9. The influence that the zr / ti ratios have on the ceramic crystal structure and its properties are studied through the research carried out about the relative respects of the fabricated samples. the increase of zr / ti ratio can result in the crystal structure transformation from the tetragonal to the rhombohedral, it can also induce the weakness in the stability of the ceramic crystal structure, for example, the drop in the curie temperature. in order to enhance the relative low mechanical quality factor of pzn - pzt system piezoceramics, component addition pb ( mn1 / 3sb2 / 3 ) o3 ( hereafter abbreviated as pms ) are introduced in to form a new psudo - tetragonal system ceramics

    為獲得具有高的機電耦合系數kp ,高的機械品質因數qm的高性能壓電陶瓷,採用二次合成法制備了不同zr ti比的鈮鋅酸鉛-鋯鈦酸鉛基( pzn - pzt )三元系壓電陶瓷材料,研究了zr ti比變化對陶瓷結構和性能的影響規律,發現zr ti比增大除了可以使陶瓷的相結構由四方相向三方相轉化外,還降低了陶瓷的結構的穩定性,使tc溫度下降。
  10. ( 6 ) conclusion was obtained by the analyzing the mechanics environment and the stability of the lanslide on the right bank after the dam built : the value of the rock mass stress increased and the tensile stress region obviously reduced, the direction of the principal stress was unchangeable the dam and the landslide were stable under the dangerous condition ( the reservoir and at the same time the earthquake was viii ), but when the water lever suddenly fell and did not think of other force, safe factor evidently reduced, the dam and the landslide will be destroyed under the most dangerous condition ( the water lever suddenly fell and at the same time the earthquake was vi ) ; the stability of the landslide will be destroyed by the horizontal thrust under the most dangerous condition or ; the physical and mechanical parameter will be reduced due to long period filter, the landslide will be destroyed too

    ( 6 )建壩工程荷載條件下河谷巖體力學環境分析及右岸古滑坡體的穩定問題分析得出:建壩后河谷的巖體應力量值明顯增高,同時左岸的張應力區的范圍及量值明顯減小,主應力的方向依然與模型的底邊界垂直;大壩建成后逐漸蓄水階段以及同時考慮本區最強地震力的作用等各種不同的工況條件時,滑坡體及壩體總體上仍處于穩定狀態;水位驟降時,在未考慮其他外力作用的情況時,滑體的安全系數將顯著降低。若考慮水位驟降及本區最大地震力的共同作用,壩體將在滑坡體下滑推力的作用下產生破壞;建壩后水平推力對右岸古滑坡體穩定性的影響分析可以看出,在最危險的工況條件下,壩體及滑坡體也將處于臨界狀態;在長期滲透變形的作用下,由於滑帶的物理力學參數的降低而有可能導致壩體失穩破壞。
  11. In consideration of time and budget factor, the first step is to manufacture 8 - type ( groove axle structure ) and circle bore type mechanical heart valve. here, the concentration is on the structure design, process and process equipment design, and manufacture of valve on a trial basis

    考慮到時間進程和經費因素,初步選定進行8字型凹槽樞軸結構平面瓣型及圓柱孔樞軸圓孔型心瓣進行試制加工,本論文工作的重點是人工心臟瓣膜的結構設計,工藝和工藝裝備設計,以及人工心臟瓣膜試制。
  12. 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。
  13. Simultaneously, the distinct effect of every factor is studied in the paper. in this text, based on the lime - fly ash stabilized aggregates mixture design, the pavement behavior and performance of designed mixture is studied and contrasted with the mixture which is recommended by the design specification of highway asphalt pavement, including mechanical performance, stableness, anti - brushing performance, the anti - crack performance and fatigue performance

    在配合比設計的基礎上,研究了骨架密實型二灰碎石的力學性能、穩定性能(水穩性和冰凍穩定性) 、抗收縮性能、抗沖刷性能和疲勞性能,並與《公路瀝青路面設計規范》推薦級配二灰碎石混合料的路用性能進行了對比。
  14. The frictional factor of combination of silicon carbide and carbon graphite is the least, so it widely applied to high characteristics for the mechanical seals

    其廣泛用於石油,化工,航天,汽車等領域,它與碳石墨配組,摩擦系數最小,因此可用作高參數機械密封。
  15. The paper consists of the following parts : ( 1 ) synthesis of a novel resol with dibenzyl ether bond ; ( 2 ) preparation of the phenolic resin / layered silicates nanocomposites ( rplsn ) and investigating the melt intercalation and curing behavior ; ( 3 ) discussing mechanical properties and its related influence factor

    本文分為三個部分:首先合成帶芐基醚鍵的熱固性酚醛樹脂,然後制備粘土聚合物納米復合材料討論其熔融插層和剝離行為,最後討論各種因素對力學性能的影響。一帶芐基醚鍵的無氨熱固性酚醛樹脂的合成。
  16. The relation between rheological breaking ratio and plastic work is set up according to the equation relation between outer plastic work and energy of plastic deformation. it is helpful to the understanding of elasto - plastic constitutive relationship of rockfill and braking of particles. based on analysis of test result, in - site observation data, this paper put forward a quantitative relation between rheology and valley shape, rockfill mechanical parameters, such as dry density, compressive modulus, softening factor, pore ratio, etc. the main factors influencing the rheological behavior of rockfill can be classified into inner factors and outer factors

    堆石作為面板壩的主體,影響其流變的因素頗多且十分復雜,既有內因也有外因,根據試驗、原型觀測資料對內外因素所做的分析,本文提出了流變與河谷形狀等外因、流變與壩體常規物理力學指標等內因的定量關系和影響堆石流變的多因素綜合表達式,由此建立了堆石流變與堆石常規物理力學指標(如干密度、壓縮模量、軟化系數、孔隙比等等)之間的聯系。
  17. This paper narrated the principle of motorcycle anti - lock brake control, provided the calculating method of controlling parameter and derived a formula about the braking pressure and friction factor of real road conditions. a mechanical motorcycle anti - lock brake controller was contrived and the series - design theory was completed on the basis of this formula ; the construction parameters and design of nonlinear - spring were also addressed. the construction of testing system was designed and controlling principle was narrated

    本論文首先分析了摩托車制動時車輪的受力及運動狀況,建立防抱死控制的數學模型,推導了控制參數的計算公式;在分析盤式制動器設計計算方法的基礎上,提出針對已知摩托車車型、盤式制動器參數及路面條件的情況下,防抱死控制器理想控制壓力的計算公式。
  18. This paper uses the method of tensor to proof the tenable condition of generalized plastic potential, discuss the mathematical essential of the associated and disassociated flow rule and the relation of the yield surface and plastic potential surface, reason the expression of plastic factor strictly. debate the limitation on drucker ' s postulate. subsequently, this paper gives the mathematical basis of constitutive theory involving the rotation of principal stress axes. so it is proved that the mathematical and mechanical foundation of the generalized plastic mechanic

    本文運用張量的方法論證了廣義塑性位勢理論成立的充要條件,討論了關聯與非關聯流到法則的數學實質,屈服面與塑性勢面的關系,嚴密推導了塑性因子的表達式,討論了drucker公設的局限性,並給出了考慮主應力軸旋轉時土體本構模型理論的數學依據,系統的論證了廣義塑性力學成立的數學力學基礎。
  19. According to the meso - scale structural characteristics of composite solid propellants ( csp ), the damage modes in csp induced by mechanical impacts, and the conclusions of former research, crack friction is considered to be the key factor for csp hot - spots

    本文根據固體推進劑細觀結構特徵及撞擊載荷作用下的損傷破壞模式,結合相關理論分析結果,將裂紋摩擦作為推進劑熱點形成的關鍵因素。
  20. The topography and the nano - mechanical property of the sample before and after self - assembly was characterized by afm, and the factor attributed to the change was analyzed. based on the above conclusion, the nano - mechanical property of the sample fabricated with the technology based on the scratch of afm microprobe combining traditional self - assembly method was analyzed. it was proved that this method could carry out controllable self - assembly on silicon surface ; finally, the nano - mechanical property of the sample fabricated with the technology based on the cutting of diamond tool was measured, and this method was proved to be a quick and convenient mean that could carry out controllable self - assembly on silicon surface according to the nano - mechanical property of the samples fabricated by the two method before

    之後利用原子力顯微鏡對組裝前後的樣品進行了表面形貌和納米機械性能的表徵,分析了可能導致其變化的原因;藉助所得的結論,對基於原子力顯微鏡微探針的刻劃與傳統自組裝方法相結合的自組裝加工技術所制備的樣品進行了納米機械性能的分析,證明這種方法能夠實現硅基底上的可控自組裝;最後,對基於金剛石刀具切削的自組裝加工技術所制備樣品的納米機械性能進行了檢測,通過和前兩種方法制備的自組裝結構的納米機械性能進行對照,證明這種方法可以方便快捷的實現硅基底上的可控自組裝,從而實現「割草種花」的構想。
分享友人