quality coefficient 中文意思是什麼

quality coefficient 解釋
精度系數
  • quality : n 1 質,質量;性質,特質;品質,品位。2 優質,美質,優點。3 才能,能力,技能,素養。4 品種。5 身...
  • coefficient : adj. 共同作用的。n. 1. 共同作用;協同因素。2. 【數,物】系數,率;程度。
  1. This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization

    本文以拉格朗日方程為理論基礎,對慣性制動器在制動時的振動進行數學建模,然後用matlab對其進行模擬,得出了慣性制動器在制動時振動角頻率分別與制動環和摩擦片之間的摩擦系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參數之間的關系,為慣性制動器的結構優化提供了理論依據。
  2. The controlling parameters for smooth blasting in qin - ling zhongnanshan tunnel project are optimized according to the fundamental principle of smooth blasting, considering the minimal resistance, coefficient of embrasure density, coefficient of non - coupling, density of dynamite and rate of exploding. the efficiency of this method has been analyzed and justified by the high speed and good quality of the project

    根據光面爆破的基本原理,從最小抵抗線、爆眼密集系數、不耦合系數、線裝藥密度、爆破進尺等幾個方面確定秦嶺終南山隧道光面爆破主要參數的選取,分析了該隧道鉆爆設計在隧道施工中的運用取得的成效,提高了施工進度,同時也保證了施工質量。
  3. The results showed that the number of polyhedra obtained by the staining method was less than that by hemacytometer, but the coefficient of variation of the samples was lower than that of hemacytometer method, thus the staining method can be used in quality control test of virus insecticides

    該染色計數法測得的多角體數量要低於血球計數板的計數結果,但變異系數較血球計數板計數法顯著較小,結果穩定,適用於病毒殺蟲劑的質量檢測。
  4. 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。
  5. 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。
  6. At the moment, the thing is plans compiled by hand have a low quality and are effected by factitious factors. the execution of adms can not only improve the station organization and the level of the management but also accelerate the modernization of work which can make out good plans, make full use of the device of station, improve the accuracy coefficient of passenger trains and as a result the whole level of railway organization is to be lifted, the modernization of railway system management is to be accelerated at the same time both the economic and social efficiency are to be improved

    現行手工編制不但勞動強度大,而且受許多人為因素的影響,編出計劃的質量得不到保證,所以客運站站調輔助決策管理系統的建立,不僅可以提高車站工作組織和車站技術管理水平,促進車站工作組織與管理現代化,從車站內部盡可能實現作業計劃優化,挖掘車站潛力,提高旅客列車正點率,而且可以提高鐵路運輸組織水平,促使鐵路車站管理手段的現代化,從而提高鐵路運輸的經濟效益和社會效益。
  7. Hard alloy die is made y taking high - quality hard alloy as its nips and fastening with steel die case. it is characterized by high hardness, good thermal conductivity, brasive coefficient and strong resistant to corrosion. it is suitable for drawn metal wire, bar and pipes. the types of dies includes rectangle, hecagon, octagon, diamond, trapezoid, basin and knob, u - shaped and half round types

    硬質合金模具採用優質合金作模芯,並用鋼質模套緊固,具有硬度高,導熱性能好,磨擦系數小,抗腐蝕性等特點,適用於拉制金屬線材,棒材,管材等,另外,模具的類型有矩型、六角型、八角型、菱型、梯型、凹型凸型、馬蹄型、半圓型等各種異形模。
  8. With experiments and theoretical analyzing, we find when the heat discharge is smaller than the entrainment limited, what influences the ability of heat - transmitting of work quality is the quantity of injection and dry limit fluid inventory, the optimum quantity of injection of the three working fluid is 8 ~ 14g ; and the delivering factor that transmission coefficient is determined by capillary limit, not the heat transmission ability of the thermal syphon. therefore, among the three working fluid, acetone is the best. low wind - speed has the obvious function in heat transmission of the thermal syphon

    本文通過實驗研究和理論分析,認為在熱流量小於攜帶極限時,影響工質傳熱能力的是cpu重力熱管的充液量和其乾涸極限,此次所實驗的三種工質,最佳充液量應當在8g ~ 14g ;傳輸因素主要決定普通熱管的毛細極限,而不是重力熱管傳熱能力的決定因素;三種工質中的最佳工質是丙酮;小風速時風速的變化對cpu重力熱管的傳熱有明顯的作用,但在風速大於1m / s以後,風速增加對于cpu重力熱管的傳熱能力的增加效果減緩。
  9. Finally, this paper suggests a step - by - step wdm, which is helpful for quick long - distance test preparation and constraint simplification and, provides an homological heuristic approach suitable for computerized solution. in addition, this paper provides an effective test paper quality analysis model based on relevant coefficient. the definition of relevant coefficient is introduced and the indications of relevant coefficient are analyzed from statistical point of view

    對wdm模型進一步改進,對模型的約束條件進行簡化,僅對題分進行嚴格約束,把其餘的約束條件全部用題分分佈體現出來,提出了便於實現快速遠程組卷的簡化約束條件的分步wdm模型,並給出了適用於計算機求解的相應的啟發式演算法。
  10. By using the various substrate such as glass, stainless steel, ito < wp = 6 > film and ceremic wafer, we discover that we can deposite the high quality cnx thin film with the high cohesion, high hardness and low friction coefficient on the ceremic substrate

    我們發現在載玻片,不銹鋼片及ito膜玻璃片上沉積的cnx薄膜,由於襯底和膜料的應力差較大,都有薄膜破裂、剝落現象。並且有成膜不均勻現象硬度也較低。
  11. Ngyc is capable of mass production of smco permanent materials of the highest level in china and products quality has reached the world s advanced level. the independently developed low temperature coefficient 1 : 5 and 2 : 17 smco permanent magnets have been widely used in fields such as aeronautics and space, national defense and sensors. the company can also manufacture all serial elements products of different shapes and specifications

    寧港永磁ngyc能批量生產中國最高水平的釤鈷永磁材料,產品質量均達到世界先進水平,自主研發的低溫度系數1 : 5 , 2 : 17釤鈷永磁被廣泛應用在航空航天國防軍事,傳感器等領域,並能生產不同形狀,不同性能的全系列元件產品。
  12. The adaptation processing includes linear prediction coefficient adaptation and adaptation of quantization step size for residual signals. based on g. 726, we adopt a huffman coder to make use of probability statistic of bit cascade covering n ( n 1 ) samples generated from adpcm, in order to further reduce the bit rate. ng is lossless entropy coding, the speech quality of our improved algorithm should be same as that of g. 726 standard

    我們的研究和改進工作包括:研究最優非均勻自適應量化器,及其自適應演算法;研究波形預測函數,以及函數零點、極點的自適應演算法;基於每n ( n 1 )個樣本所對應符號的概率統計,對預測殘差量化值再進行huffman編碼,進一步降低比特率。
  13. At the initial stage of planar technique, b was employed as ideal diffusion impurity in base - region of npn si planar devices because of the match of its solid - solubility and diffusion coefficient in si with those of p in emission - region, and the good shield effect of sio2 film to b. but because of the relatively large solubility ( 5 1020 / cm3 at 1000 ) and the small diffusion coefficient, the linear slowly - changed distribution of acceptor b in pn junction can not be formed, which could not cater to the requirement of high - reversal - voltage devics. thereafter b - a1 paste - layer diffusion technology and close - tube ga - diffusion technology had been developed, while the former can lead to relatively large the base - region deviation and abruptly varied region in si, which caused severe decentralization of current amplification parameter, bad thermal stability and high tr ; the latter needed the relatively difficult pack technique, with poor repeatability, high rejection ratio, and poor diffusion quality and productio n efficiency

    在平面工藝初期,由於b在硅中的固溶度、擴散系數與n型發射區的磷相匹配, sio _ 2對其又有良好的掩蔽作用,早被選為npn硅平面器件的理想基區擴散源,但b在硅中的固溶度大( 1000時達到5 10 ~ ( 20 ) ,擴散系數小, b在硅中的雜質分佈不易形成pn結中雜質的線性緩變分佈,導致器件不能滿足高反壓的要求,隨之又出現了硼鋁塗層擴散工藝和閉管擴鎵工藝,前者會引起較大的基區偏差,雜質在硅內存在突變區域,導致放大系數分散嚴重,下降時間t _ f值較高,熱穩定性差;後者需要難度較大的真空封管技術,工藝重復性差,報廢率高,在擴散質量、生產效率諸方面均不能令人滿意。
  14. On the other hand, the hydraulic performance of the hole, including flow rate coefficient and uniformity of flow rate, have been tested as standards to evaluate the quality of holes punched by laser drilling machine with much better results than that punched by mechanical drilling machine. the shape of holes taken by a microscope photograph can also give detail and well explanations for this test results

    對噴孔水力學性能的試驗研究表明,本文提出的用噴孔水力學性能指標(流量系數和流量變異系數)來評價微噴帶激光打孔機質量的方法是可行的,並證明微噴帶激光打孔機的質量明顯優于機械打孔的質量,用顯微鏡觀察噴孔的形狀的照片也同樣證明了這一點。
  15. This paper chooses the indicators of economy and land quality input which has influence on the output, depending on cd - productive function to establish the function between input and output : y : productive forces of the cultivated land f : input of the fertilizer and agricultural chemical i : input of the irrigation l : input of the labor q : input of the land quality a : the level of average management t : the level of changing management a, b, c, d, f : productive elasticity coefficient the factor of the land quality includes texture, content of the organic matter, degree of the pickled, the structure of the soil

    本項研究選擇了影響農用地總產出的經濟投入指標和土地質量投入指標,藉助c - d生產函數,建立土地投入產出的函數關系: y = a ? e ~ ( ft ) ? f ~ a ? i ~ b ? l ~ c ? q ~ dy為以土地總產值表示的土地生產力f為化肥和農藥的投入i為灌溉投入,即灌溉所需用的水電費l為勞動力投入(考慮了農業機械投入的修正) q為土地質量投入a為平均管理水平t為變化的管理水平a 、 b 、 c 、 d 、 f分別為各相應生產要素的產出彈性系數其中,土地質量因子包括表土質地( t人有機質含量矚入鹽漬化程度px土體構型p )等。他們之間的關系為: q ( a ; xt a 。
  16. The coating processes and quality checking methods for low temperature coefficient coated high - energy nitroamine propellant have been studied based on the experiment data treatment and comparison of ltsc propellant combustion properties in closed vessel with that in gun, we found that there are some combustion functions in closed vess el are similar to that in gun

    通過對低溫感硝胺火藥在密閉爆發器和火炮膛內實驗數據的處理與比較,找出了其在爆發器和火炮膛內燃燒特徵相似的一些函數關系式,為利用密閉爆發器試驗模擬火炮彈道性能提供了基礎。
  17. In terms of the multi - parameter evaluating theory, i make use of the evaluating system in accord with fact to evaluate interrelated well resource and get well quality coefficient

    應用多因子評價理論合理評價了實際油井資料,得到油井質量系數。
  18. The quality of using the foreign capital is low too. the flexible coefficient of fdi is distinctly lower than that of domestic capital. if the increase of the foreign capital and domestic capital is the same, the output of the enterprises which the domestic capital brings is much more, that is to say the " gold content " of the foreign capital is not higher than the domestic capital

    但是重慶的外商投資資本量很低,外資質量不高,對外資的消化利用質量也不高,表現在外商直接投資的彈性系數明顯低於國內資產的彈性系數,外資和內資在增加相同數量投入的情況下,內資能帶來企業更多的產出增長,即是說外資的「含金量」並不比內資高。
  19. Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered

    在此基礎上,給出了一整套bbo - opo激光參數設計方案:計算了不同泵浦強度下的參量放大倍數;詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線,以及非共線類相位匹配調諧曲線;分析了走離角對非線性系數和群速匹配的影響;計算了參量過程的允許角;計算了bbo - opo的理論閾值條件;分析了飽和與泵浦光束的消耗過程;給出了轉換效率與超過泵浦閾值的倍數的關系;討論了轉換效率與輸出鏡反射率的關系;討論了線寬控制的各種方法;研究了利用非穩腔改善光束質量的方法;考慮了bbo晶體的設計。
  20. First, we use the quality coefficient to correct the human capital gini coefficient and use this to calculate the human capital gini coefficient of every state from 1996 to 2004

    本文試圖分析我國各區域的人力資本結構,並建立起一個能反映人力資本結構與經濟增長關系一般規律的數學模型。
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