質量不平衡 的英文怎麼說

中文拼音 [zhíliángbùpínghéng]
質量不平衡 英文
mass unbalance
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 不 : 名詞[書面語] （剁物所用的木墩） a block of wood
  • 平 : Ⅰ形容詞1 （沒有高低凹凸 不頃斜） flat; level; even; smooth 2 （高度相同; 不相上下） on the same l...
  • 衡 : Ⅰ名詞1 （秤桿） the graduated arm of a steelyard2 （稱重量的器具） weighing apparatus3 （姓氏） a...
  • 質量 : 1 [物理學] mass 2 （產品或工作的優劣程度） quality 3 economy （離子源的）; 質量標準 quality level...
  1. Those sensitive parameters making system have negative damping and occur self - excited shimmy are horizontal pulling lever rigidity, tire sideslip rigidity, steering gear rigidity and damping, kingpin equivalent damping, kingpin caster angle, tire drag. and wheel center distance, tire side rigidity, vehicle wheel unbalanced mass, tire vertical rigidity, and distance from kingpin center to the vertical central line plane of tire have great influence on shimmy, but they do n ' t make the system have negative damping. and horizontal pulling lever damping, suspension damping and rigidity have very small influence on shimmy

    橫拉桿剛度、輪胎的側偏剛度、轉向機剛度、轉向機阻尼、繞主銷當量阻尼、主銷后傾角、輪胎拖距是影響擺振的敏感性參數，適當調節某一參數可引起系統的負阻尼，使系統產生自激擺振；輪距、輪胎側向剛度、車輪上的不平衡質量、輪胎垂向剛度及主銷延長線與地面交點至車輪平面的距離對擺振的影響也較大，但不會使系統出現負阻尼；而橫拉桿阻尼、懸架阻尼與懸架剛度對擺振的影響很小。
  2. On the foundation of making deep investigations in the current medium - sized rvte of hubei, the author have pointed out the leading problems and deficiencies existing in medium - sized rvte of hubei at present. mainly showing in the following aspects : enrollment drops, it is difficult for the rvte to enroll new student ' s ; the funds are put into insufficiently, the condition for running a school is bad, teaching is of low quality ; the overall arrangement of the education structure is unreasonable, the area of the system is developed unevenly ; professional structure and course offered do n ' t meet the needs of rural economy development in new century ; the training objective is unreasonable and indifferent for the agricultural service, the content of courses is outmoded, the teaching form is single, and the link breaks away from the real agricultural production ; rural vocation education mechanism is not flexible, the ability is not cogent that run a school towards the society, . the efficiency in school management is not high

    作者在深入調查研究湖北省農村中等職業技術教育現狀的基礎上，指出了當前我國農村職業技術教育存在的主要問題和不足之處，這些問題和不足之處突出地表現在：招生人數下跌、農村中等職業學校出現了招生難；經費投入不足，辦學條件差，教學質量不高；結構布局不合理，區域發展不平衡；在專業結構及課程設置上不適應新世紀農村經濟發展的需要；培養目標定位不合理，教學內容陳舊，教學形式單一，教學環節脫離農業生產實際，為農服務能力不強；農村職校教育機制不靈活，面向社會辦學力度不大，辦學效益不高，辦學活力不強。
  3. Fist ly, use mass equivalent method to predigest the original rotor system. secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi - tray rotor bearing system by matlab language. thirdly. finish program the unbalance response using riccati - transfer matrix arithmetic and finity buck arithmetic. fourthly, answer to the high vibration of uncontroled system when cross the critical speed, come out to adopt changing clearance damper bearing to control the viberation

    本文對多柔盤轉子-支承系統的振動現象做了以下初步探索：用質量離散化方法把原轉子系統簡化；採用matlab語言編制了對傳遞矩陣法計算多柔盤轉子-支承系統的臨界轉速；用matlab語言對riccati傳遞矩陣法和有限元法編制了程序計算系統的不平衡響應；並針對其過臨界轉速時振動較大的現象，提出採用變間隙控制油膜剛度和阻尼，從而使原系統的在特定轉速（臨界轉速）的一段范圍內不平衡響應減小；並從被動控制與主動控制兩方面進行數值模擬，取的了較好的控制效果。
  4. The error torques include mass unbalances, compliances, bias torque, etc.

    誤差力矩包括質量不平衡，柔性，偏置力短，等等。
  5. Study on the laser scanner is very important since fluctuate of rotating speed of the motor, wobble of the shaft of the laser scanner, tremble introduced by motor changing phase, shake generated out of dynamic balance, turbulence introduced by the deflector rotating at high speed have an influence on rotating shaft and light beam so as to decrease quality of the laser imagesetter

    轉速的波動、掃描器主軸的晃動、電機換相過程中的抖動、動不平衡產生的震動、轉鏡高速旋轉產生的湍流對轉軸和光束的影響等諸多因素，直接影響激光照排的質量。所以，對轉鏡式激光掃描器的研究有十分重要的意義。
  6. China is a developing country, having expansion section and numerous population, but its economy is not imbalance among vary areas. in the westward area of the china, there is weak ecosystem, high population natural growth rate, and big stress of offering unemployed persons an occupation, little number and low quality of human resource

    我國是一個發展中國家，地域遼闊、人口眾多、地區之間經濟發展不平衡，尤其是西部地區生態環境脆弱，人口自然增長率高，勞動就業壓力大，人力資源數量不足、質量不高，經濟落後，這些問題已經成為西部乃至全國經濟可持續發展的突出障礙。
  7. In order to solve it radically, making power assembly of bj1036e2f1 light truck the research object and through dynamic simulation analysis of power assembly, this thesis obtains the distribution rules of forces of the bolts linking three shells mentioned above and the relation between forces of the bolts and rotate speed of engine. after finite element mode analysis of these three shells, inherent frequency and vibration model of shell of power assembly are gained, and thus its dynamic character is realized. based on computer simulation analysis, experimental model of power assembly is acquired by vibration test and strength test of shell of power assembly, and the relation of forces of the shell and rotate speed of engine and imbalanced mass of rotate components is studied

    為了從根本上解決該問題，本論文以bj1036e2f1輕卡動力總成為研究對象，通過動力總成的動力學模擬分析，找出了三殼之間聯接螺栓受力的分佈規律和螺栓受力與發動機轉速的關系；通過三殼的有限元模態分析，得到了動力總成殼體的固有頻率與振型，從而了解了動力總成殼體的動態特性；在計算機模擬分析的基礎上，通過動力總成殼體的振動測試和強度測試，得出了動力總成的試驗模態，並研究了殼體受力與發動機轉速和旋轉部件不平衡質量的關系。
  8. The vibration signals analytical result of rotating machinery mass imbalance and oil film turbulence fault verified its feasibility and validity

    旋轉機械質量不平衡和油膜渦動故障的振動信號分析結果進一步驗證了這種方法的可行性和有效性。
  9. A virtual balancing method of a flexible rotor based on rotor dynamic and finite element method is proposed in this paper to decrease the vibrations caused by mass unbalancing

    摘要為了有效地降低回轉機械由於質量不平衡引起的振動故障，基於轉子動力學理論和有限元數值分析方法，進行了柔性轉子系統虛擬動平衡研究。
  10. After moving some key obstacles, the author has realized a prototype lvc dvr. the effectiveness of dvr is illustrated by the compensation experiment

    論文利用研製的樣機進行了靜態電壓低下、動態電壓暫降、系統三相不平衡等常見電能質量問題的補償實驗。
  11. The compute model of shafts of the machines is built by adopting concentrated mass method. taking into account the different support conditions of the shafts that workshop is considered as rigidity or elasticity ; the natural characteristic and unbalanced response of the shafts are computed by integrating with high stable riccati transfer matrix method

    採用集總質量法對機組軸系建立了計算模型，並結合穩定性良好的riccati傳遞矩陣法，分別考慮機組軸系的支撐基礎（廠房）為剛性、彈性兩種情況，計算了機組軸系的自振特性、軸系的不平衡響應。
  12. Both an investigation and appraisal have been made of various factors of marine tourist destinations in zhejiang by applying the spatial theory of tourism in order not only to illustrate such problems as dissymmetry between the resource deposit, quality and tourism development in the tourist destinations in zhejiang, incomplete development of tourists ' market, low communications linkage inside and outside the destination and the unbalance of spatial perception effect, but also to reveal such facts as general unbalance of marine tourism in zhejiang province, a gap of development between the tourist areas within the region and less extension effect than polarization effect

    摘要運用旅遊空間理論對浙江省海洋旅遊目的地各種區位因子進行考察評價，說明浙江海洋旅遊目的地存在著資源儲量、品質與旅遊發展水平不對稱，客源市場發育不完全，目的地內外交通聯結度不高，空間感知效應不平衡等狀況；揭示出浙江省海洋旅遊業總體發展不平衡，區域內各旅遊地之間的發展水平差距較大，擴散效應小於極化效應。
  13. The test results demonstrate that this prototype has excellent comprehensive performances such as small bulk, lower weight, high efficiency, high steady precision, fast dynamic response, wide range input voltage, good output waveforms, strong over - load and short - circuit ability, and strong function with different nature load and three - phase unbalanced load

    試驗結果表明，該變流器具有體積重量小、變換效率高、靜態精度高、動態響應快、輸入電壓變化范圍寬、輸出波形質量高、過載與短路能力強、帶不同性質負載和帶三相不平衡負載的能力強等優良的綜合性能。
  14. Currently, the research methods can be classified into two main classes, that is, genetic linkage analysis and linkage disequilibrium analy - sis. the two methods explore recombination fraction and linkage disequilibrium coefficient correspondly which are used to measure genetical characters, moreover, statistical methods are used to execute gene mapping

    基因定位是人類基因組計劃（ hgp ）重要目標之一，目前研究方法主要分為兩大類：基因連鎖分析與連鎖不平衡分析。兩種方法分別藉助衡量遺傳性質的重組率與連鎖不平衡系數，並利用統計方法來進行基因定位。
  15. At present, our country power quality national standard was chiefly stipulated five quotas : frequency, harmonic and voltage deviation, three - phase unbalance and the voltage fluctuation and flicker

    目前我國電能質量國家標準主要規定了五個指標：頻率、諧波、電壓偏差、三相不平衡及電壓波動與閃變。
  16. Quality of electric energy supply. admissible three - phase voltage unbalance factor

    電能質量三相電壓允許不平衡度
  17. The current situation of the human resource in the area of northwest of china and the cause of its formation. when the quantity of the human resource, its culture quality and the efficiency of its use, as well as its condition of being distributed in different industries is analyzed, the typical characteristic of the human resource in the area of northwest of china has been discovered in the following : ( 1 ) the human resource is rich in quantity and has a higherich in quantity and has a higher ; ( 2 ) its labour force has a lower quality, and the resources about science, technology and education are inequality in this area ; ( 3 ) the problem of being short of talented people is serious ; ( 4 ) the talented people now available is inequality in different industry, and the labour force mainly depends on their physical strength, and then, the cause for this phenomenon has been discovered in the following : ( 1 ) because of the local population policy, the population in this area increased rapidly ; ( 2 ) the backward economy impacts the human resource on its education and employment level ; ( 3 ) for its poor natural conditions, a closed and backward idea is formed in some peasants and herdsman ; ( 4 ) the lack of the mechanism of encouraging competition in personnel policy and scientific research field resulted in the loss of the vast number of talented people and inefficient in its use

    西北地區人力資源開發現狀表現為：人力資源數量豐富，其中少數民族人口比例較高；人力資源文化素質水平較低；對現有人才資源使用效率不高；人力資源在產業間分佈不平衡，就業層次較低。造成問題的原因有：少數民族的人口政策是造成西北地區人力資源數量增長過快的重要原因；經濟發展水平制約了人力資源受教育的程度和就業層次；閉塞的自然環境，使人們難以突破封閉、陳舊的觀念；人事管理制度缺乏競爭、激勵機制，造成了人力資源使用效率不高。經過了理論分析和現狀調查之後，得出了人力資源開發的理性思考，即充分認識人力資源開發的戰略意義；發展教育是人力資源開發的前提條件；人力資源開發過程中要高度重視人才引進戰略的實施；人力資源開發要從本國（或本地區）實際出發，突出特色。
  18. The purpose of " balancing " - of restoring uniformity of mass distribution insofar as possible - is not to eliminate all rotating system unbalance, but to bring it down to a tolerable level

    平衡（使轉子質量分佈均勻）的目的並不是完全消除轉子的不平衡，而是將其降低至容許范圍內。
  19. In order to get suitable algorithms which are accuracy, feasible, practical and convenient to be realized by virtual instrument, this paper firstly analyzes measuring algorithms of major power quality parameters, such as voltage, current, frequency, harmonics, flicker, unbalance factor etc. then two algorithms, the one for basic power quality parameters measurement based on spectrum correction and the other one for flicker measurement based on fft, are presented

    基於虛擬儀器技術的電能質量測試儀應用靈活，升級方便， 「軟體就是儀器」的特色使測試儀各種通用功能和預期功能的方便實現成為可能。文章對電能質量的一些主要指標:電壓、電流、頻率、諧波、電壓波動和閃變、三相電壓不平衡度等的測量演算法進行了分析，尋求適合虛擬儀器實現的，切實可行、計算精確、實用性強的計算方法。
  20. However, compared with voltage deviation, unbalance of three phases, harmonics and frequency deviation, fluctuation and flicker are more complex to be detected, its research is relative to scarce, and the measuring devices are much less. hence, some further research on measuring voltage fluctuation and flicker has been done in the paper

    但與電壓偏差、三相不平衡、諧波、頻率偏移等電能質量問題相比，電壓波動與閃變的檢測較為復雜，研究相對不足，測量設備較少，因此，本文選擇這一問題進行進一步研究。
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