比重計稱重 的英文怎麼說

中文拼音 [bǐzhòngjìchènzhòng]
比重計稱重 英文
weighting of hydrometer
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 稱 : 稱動詞（適合; 相當） fit; match; suit
  • 比重 : 1 （部分在整體中所佔的分量; 比值） proportion 2 [物理學] （物體重量和其體積的比值） specific grav...
  1. In the course of working, ， the plow will make use of the shuttling method so that it can dig alternately either on the left or on the right. compared to the unilateral plow, it can improve the productivity because it can help leave off the soil 、 take from the consumed energy and reduce the empty journey. to meet the requests above, we will use a remote cylinder with both a small cubage and double functions, approximately designing the plow to be columniform and symmetric. after the experiment for a period in the field, we found that the most frayed areas had happened at the places of both plow shank and share and at the same time the base of the remote cylinder had ruptured suddenly

    與單向犁相比，其優點在於：耕地無開、閉壟，地表平整，降低了耕后整地的能量消耗，減少了地頭的空行程，因而大大提高班次生產率。為了滿足犁體梭式作業的要求，我們採用了一隻小容積雙作用的液壓油缸；同時對犁壁曲面的形狀採用了近似圓柱形的對稱設計。但經過一段時間的田間試驗，我們發現：該犁犁胸部分的犁脛和犁鏵上的犁尖在工作中磨損較為嚴重；主犁梁和油缸缸體的連接部分（即油缸底座）突然發生了斷裂，造成整個犁體無法正常工作。
  2. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮，論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討：全面回顧了「可持續發展」概念的由來與演變，對國內外「可持續發展」的研究現狀進行了述評，並對「可持續發展」概念的科學內涵進行了深入探討；對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述，對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解；全面闡述了地下水資源變值系統理論的內容和意義，並與傳統的地下水資源計算評價方法進行了對比分析，結合實例具體說明了方法的應用；深入分析了地下水資源預測預報工作的極端重要性和復雜性，對傳統的地下水資源動態預測方法進行了全面的評述，指出了各類預測預報方法的特點及適用條件，對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍，以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹，並應用於地下水動態過程線的分析，採用時間序列中的b ? j法，蒙特卡羅方法，與地下水資源變值系統理論相結合，探討了地下水動態資料分析和地下水資源預測預報的新思路；綜合分析了現今各類地下水管理模型的特點及缺陷，將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度，使模型更準確、更實用；對保證地下水資源可持續開發的內部條件和外部條件進行了分析，內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀，科學的資源計算與評價方法，可靠的資源預測預報技術，可操作的資源管理措施，外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  3. Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc

    本文根據大量的國內外文獻，對研配液壓機的工作原理及設計結構進行了簡介；對位置同步的控制方法進行了比較分析，提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案；在此基礎上著重對比例閥控非對稱缸建模，最後得到位置控制系統的總體數學模型，從理論上對同步系統動態特性進行了分析，並用pid控制器進行參數整定，減小雙缸同步誤差、提高系統的動態響應性能；其中控制性能的分析藉助于matlab軟體中的simulink工具箱，由已建立的數學模型形成模擬模型，得到可視化的模擬結果，從而利於交互方式下調整參數，了解不同的參數對系統的影響，優化同步系統的動態性能；在深入了解系統的動作特性后，對plc控制研配液壓機的原理進行了探討，針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃，編制出研配液壓機動作控製程序，在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。
  4. Owing to institutional, cultural, social and policy - triggered factors and the resulting opportunistic motives of organizations and individuals, there are abundant behaviors breaking laws and violating discipline, such as misrepresentation, earnings management, purchased auditing, fraudulent auditing, false information transmission, insider trading and etc, in the process of information transmission in china ' s securities market. as the result, market efficiency is undermined, both interests and confidence of investors are impaired

    由於機構和個人的機會主義動機及其背後的經濟制度因素、歷史文化因素、社會因素、政策性因素等誘因，我國證券市場信息披露、信息傳遞和信息運用過程中存在著比較嚴重的虛假陳述、盈利操作、購買審計、審計舞弊、虛假或不實信息傳遞、內幕交易等利用不對稱信息優勢謀取私利的違法違規行為，證券市場有效性大大降低，投資者（尤其是中小個人投資者）的利益受到侵害，投資者對證券市場的信心開始動搖。
  5. When a solid regionin three - space is symmetric with respect to a point, the evaluation of triple integrals over is often facilitated by using spherical coordinates

    當空間立體區域關于某個點對稱時，計算上的三重積分通常使用球坐標比較容易。
  6. This paper focuses on the control strategies to improve the performance of the three - phase ac - dc pwm voltage - source - converters ( vsr ) under unbalanced power supply. the problems such as negative sequences current, voltage and current harmonics and un - constant ( un - smooth ) power flow from ac to dc side are discussed in this paper. the analytical solutions for negative sequence current and harmonic current elimination are obtained by fully feed - forward of negative sequence voltage and producing a non - harmonic current command of the inner - loop

    電網不平衡時，基於電網平衡為約束條件設計的三相vsr將出現不正常運行狀態，比如三相vsr交流電流中出現負序分量，使交流電流嚴重不對稱；直流電壓和交流電流中出現非特徵諧波分量，使直流電壓和交流電流波形發生嚴重畸變；三相vsr從電網吸收不平衡的瞬時功率等一系列問題。
  7. The conclusion is that inductive electromotive force, gotten from sensor with the distribution regularities of weighting function, is proportional to the average flow velocity in pipe and is not relevant to the distribution of flow velocity when flow velocity is non - central symmetry with the central axis. so electromagnetic flowmeter could solve the question of high accuracy in principles

    得出按權重函數分佈規律的傳感器，在流速非中心軸對稱分佈時，感應電勢僅與平均流速呈正比，而與流速分佈無關的結論，從而從原理上解決電磁流量計了高精度測量的問題。
  8. When a solid region in three - space has an axis of symmetry, the evaluation of triple integrals overis often facilitated by using cylindrical coordinates

    當空間立體區域有一個對稱軸時，計算上的三重積分通常使用柱坐標比較容易
  9. 3. the diamond segment wear process was analyzed by testing the weight of segment before and after sawing. the patterns of wear and breakage of diamond grits and bond wear mechanism of the blade were analyzed based on the observation on the working surface of the saw blade by stereo microscope and scanning electronic microscope

    採用稱重法測量鋸切過程鋸片節塊磨損量，並通過計算磨削比，分析了混凝土鋸切過程金剛石節塊的磨損特性及其影響因素，並採用sem和體視顯微鏡觀察節塊不同部位工作表面和金剛石的磨損破壞情況，研究了金剛石磨損破壞的主要形式和胎體材料的磨損形態。
  10. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬，所採用的方法是矢通量分裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備，如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些重要參數，通過實驗發現氬比氮工作更穩定
  11. The use of wave packet to analyze the dynamics of quantum mechanical systems is an increasingly important method to the study of the classical - quantum correspondence. using the quantum gaussian wave packet analysis method, we calculate the autocorrelation function of the rectangular billiard, the peak positions of the autocorrelation function match well with the periods of the classical periodic orbits, which show that the period of the classical orbits can be produced by the time - dependent quantum wave packet method. we also discuss wave packet revivals and fractional revivals in the rectangular billiard, the results show that there are exact revival for all wave packet at each revival time. we find additional cases of exact revivals with short revival times for zero - momentum wave packets initially located at special symmetry point inside the billiard

    利用波包分析量子力學體系的動力學行為在研究經典和量子的對應關系方面越來越成為一個非常重要的方法.利用高斯波包分析方法，我們計算了矩形彈子球體系的自關聯函數，自關聯函數的峰和經典周期軌道的周期符合的很好，這表明經典周期軌道的周期可以通過含時的量子波包方法產生.我們還討論了矩形彈子球的波包回歸和波包的部分回歸，計算結果表明在每一個回歸時間，波包出現精確的回歸.對于動量為零的波包，初始位置在彈子球內部的特殊對稱點處，出現一些時間比較短的附加的回歸
  12. High quality / lower price 、 auto - counting 、 taring in an entire range 、 reliable and sensitive 、 big table - board weighing 、 optional ac & dc operation

    優越的性價比、自動校準，計數、全量程去皮、稱重快而穩定、操作便捷、大臺面稱重、可配充電電池。
  13. Scope of services provided are still typical types, i. e. audit, taxation, book - keeping and company secretarial services, etc. more than 40 % of the replies claimed that they would benefit after china entered into wto. around 30 % of the replies showed interest in expanding their business to china. the factors they will consider included relationship with mainland clients and others, understanding of china cultures and policies and availability of capital, etc. the strategies they will consider in improving their business results are merging with other cpa firms, expanding scope of services, cutting down number of staff, lowering down salary level, reducing services fee and developing their business in china market, etc

    本研究採用資料搜集形式輔以問卷調查，結果反映出大部份香港中小型會計師事務所的員工人數及業績都比不上過往；而業務范圍仍保持傳統審計、稅務、會計記帳、公司秘書等服務模式；有四成以上的回應者認為大陸入世會對其業績有正面影響；有三成以上回應者表示會到大陸執業；而若考慮到大陸執業，回應者稱主要的考慮因素為與內地客戶等之聯系、對大陸的了解及資金等，至於改善業績，回應者說主要會考慮與其它事務所合併、轉移本地業務范圍及重點、裁員減薪、減低服務收費、北上開拓業務等。
  14. Cf - 5 semi - automatic powder filler main use photoelectric control and synchronous motor spiral material - falling are used in the equipment, antomatic filling, automatic adjusting because of equipping high presicion weight - scaling feedback system, make the precision more correct than former, it is a perfect equipment of large measure powder packing

    該機採用光電控制，步進電機螺旋下料，自動充填，自動修正由於配備了高精度稱重反饋系統，使得計量精度比以前的更準確，是大劑量粉劑包裝的理想設備。
  15. Particularly for navier - stokes equation, we will compare the gmres methods with different preconditioned. we make some variances from the hss preconditioner ( [ 15 ] ), that are ma1 - ma4 in our paper. comparing with block triangular preconditioner we will find that the cpu time for ma1 is the smallest

    對navier - stokes方程的求解，我們重點是比較不同預條件的gmres方法，對基於對稱，反對稱分裂（ hss ）的預條件（ [ 15 ] ） ，我們提出幾種變形，本論文分別用m _ （ 1 ? m _ （ 4 ）來表示，並用它們和約束預條件做比較，結果表明，在計算時間上m _ （ 1 ）是最少的，最後我們對ep線性方程組的廣義逆解的擾動分析的某些結果也通過數值實驗給予驗證。
  16. The unique blind loading hole combined with the available tecsis loading hardware provides an excellent price performance ratio. it allows very low profile platform design and offers advantages in all kinds of weighing applications

    獨特的盲孔設計加上tecsis實用的承載硬體使其擁有很出色的性價比。用這款傳感器可以實現低外輪廓平面設計並且在各類稱重應用中具有很多優勢。
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