reverse efficiency 中文意思是什麼

reverse efficiency 解釋
逆效率
  • reverse : vt 1 使顛倒,使倒轉,使反轉;使翻轉;翻(案)。2 掉換,交換。3 使成正相反的東西,完全改變。4 【機...
  • efficiency : n. 1. 功效。2. 效率;效能;實力,能力。3. 【物理學】性能。
  1. This drilling adopts crank connecting link and walking beam percussion mechanism, which make the drilling possess two percussive functions, normal drilling takes connecting link impact as main mode, when encountering special situation and the connecting link impact can not drill, it can transform into hoisting impact, the stroke length can be modulated, it realizes automatic percussive drilling due to continuous operating of connecting link percussive mechanism, these can enhance drilling efficiency and relieve labor intensity ; it adopts pumping reverse circulation to drain slag, which not only resolves the drilling difficulty in special stratum such as pebble and gravel stratum and hard stratum, but also resolves the problem that the percussive drill ' s efficiency is low ; it adopts spur gear differential mechanism as double cylinders lazy tongs of main hoist, which not only ensures the balance state of drilling tool, but also reduces the mechanical design, and reduces the cost ; the bottom plate traveling motion of this drilling machine adopts walking type ; the drilling tower adopts hydraulic pressure uprising, and reduces the assistant operating time

    該鉆機採用曲柄連桿、游梁式沖擊機構,使鉆機具有兩種沖擊功能;正常鉆進以連桿沖擊為主,遇到特殊情況,用連桿沖擊不能鉆進時,可轉為卷揚沖擊,沖程可調,因連桿沖擊機構連續工作,所以實現了自動沖擊鉆進,可提高鉆進效率,減輕勞動強度;採用泵吸反循環的方式排渣,既能有效解決卵礫石地層、堅硬地層等特殊地層鉆進的困難,又很好地解決了沖擊鉆機效率低下的問題;採用直齒圓柱齒輪差速機構作為主卷揚的雙筒同步機構,既保證了鉆具處于平衡狀態,又大大簡化了該機構設計,降低了成本;該鉆機底盤行走移位採用步履式;鉆塔採用液壓起立,減少了輔助作業時間。
  2. To overcome shortcomings in current efficiency algorithm, genetic algorithm and reverse algorithm existing in non - standard job - shop scheduling problem, a reverse algorithm of solving nonstandard job - shop scheduling problem ( njssp ) based on redundancy was put forward, the mathematical description of njssp was provided, object function was also given simultaneously

    摘要為了克服現有效率演算法、遺傳演算法和逆序演算法等求解非標準作業車間調度問題時存在的不足,提出了一種新的逆序演算法。
  3. The sample with low emitter efficiency has completed as the method of above. this lead to the greatly decrease of the reverse recovery time and the low reverse leakage and forward voltage, especially the excellent temperature character of the leakage. the test date shows that the samples reach the first class of international level

    本論文作者通過模擬測試,驗證了課題研究的理論設想,並設計製作了具有低陽極發射效率結構的高壓功率frd ,利用局域鉑摻雜和電子輻照相結合的壽命控制方式,實現器件反向恢復時間的極大減小,並且反向漏電流、軟度因子、正向壓降等關鍵參數也較理想,且具有極佳的漏電溫度特性,達到器件綜合性能的優良折衷,達到國際先進水平。
  4. The high efficiency and high power semiconductor laser with multi - active regions, which are cascaded by reverse biased tunnel junction ( s ) can resolve the problems in theory and overcome these shortcomings

    通過反向偏置隧道結將多個有源區再生耦合級聯起來的新型高效大功率半導體激光器從理論和實踐上解決了傳統激光器存在的上述問題。
  5. Practice during the period of four years shows : ( 1 ) settled water pond and three - stage filtration system with mechanical agitation can meet the requitments of reverse - osmosis components to the inlet water quality ; ( 2 ) it must be considered in the design that the demineralization efficiency of reverse - osmosis components will be decreased about 1 % 2 % in every year ; ( 3 ) in normal case, the outlet water from reverse - osmosis equipment shall enter into mixed bed via a decarbonator ; ( 4 ) the output capacity of the mixed bed must have a sufficient surplus, to avoid its influence on the water supply

    經4年的實踐表明: ( 1 )採用機械攪拌澄清池和三級過濾的系統,可以達到反滲透組件對進水水質的要求; ( 2 )反滲透組件的脫鹽率每年約降低1 % 2 % ,在設計中必須考慮; ( 3 )一般情況下,反滲透裝置的出水應經過除碳器再送入混床; ( 4 )混床的出力必須有足夠的余量,以免影響供水。
  6. But to circular plate with large surface area, the vibrate modes generated is often so high that there is reverse phases existing, which result in a decrease in radiation impedance, electric - acoustic efficiency and the electric power, as well as poor directivity

    然而對于輻射面積較大的彎曲振動圓盤,一般激勵的振動階數比較高,因此存在彎曲振動的反相區,導致換能器的輻射阻抗下降,電聲效率和聲功率降低以及指向性變差等問題。
  7. Chapter 5 describes how to design fuzzy control rulers by reverse pulse algorithm, which solves the problem of fast charging on the storage battery. this method is applied to improve the efficiency of power conversion and shorten the charging time

    第五章從蓄電池快速充電理論出發,根據馬斯定律,以電壓和溫升作為控制變量,運用反向脈沖模糊控制演算法對蓄電池快速充電進行模擬,用以提高電能轉換效率,縮短充電時間。
  8. A new finite - difference method is developed for seismic modeling and reverse - time migration based upon the voronoi cell construction on irregular grids. curved velocity boundaries and irregular earth surface can be accurately represented using the irregular grid implementation. therefore the modeled and migrated results can be more accurate, and meanwhile, the efficiency is still preserved using an explicit finite - difference scheme

    本文的方法可以實現任意非規則網格上的顯式差分計算,因此該方法在保持了傳統的矩形網格差分演算法簡單、高效特點的同時,又能精確地描述彎曲界面和起伏地表,提高了有限差分地震模擬和偏移結果的精度。
  9. To find out the perfect economic environment to enhance the efficiency of the monetary policy, we study the efficiency of the monetary policy in different kinds of countries which have different capital mobility and adopt exchange rate system. through the theoretical conclusion and the verified demonstration, we find that it has positive correlativity between the monetary policy efficiency and the exchange rate elasticity, and has reverse correlativity between the financial policy efficiency and the capital mobility

    為尋求理想的提高貨幣政策效率的經濟環境,本文對其他不同匯率制度和資本流動性的國家的經濟政策的效率進行了研究,通過模型推導和實證檢驗,發現:貨幣政策效率與匯率彈性有正向相關關系,而財政政策效率則與資本流動性有反向相關關系。
  10. This can fully consider the effect of the structure of transmission line and the selection of lighting parameter etc. by calculating and analyzing various of factor that affect the lightning tripping probability of 500kv double circuit transmission line, we can draw the conclusions : the result by intersecting method is more accord with the practicality circumstance than by existing standard methods, using unbalance high insulation and reverse sequence of wire can reduce the contemporary outage rate of double circuit line, reducing the footing resistance is one of the most efficiency method to reduce the back stroking rate of double circuit transmission line, the double back stroking rate and the single back stroking rate will fall by three ground wire, when the footing resistance is 10 ohm, the back stroking rate by three ground wire is 83 percent of by two ground wire

    在分析輸電線路繞擊耐雷性能時,對線路的雷電屏蔽問題進行了分析,提出對擊距法進行改進,充分考慮了風速的影響因素,編寫了具有工程實用價值的計算線路繞擊耐雷水平的程序,此方法可以充分考慮線路結構和雷電參數等對繞擊率的影響。通過對影響500kv同桿雙回線路雷擊跳閘率的各種因素進行了計算和分析,得到以下結論:採用相交法的計算結果比定義法更符合實際運行情況。採用不平衡高絕緣方式和導線逆相序排列可以大大降低雙回同時跳閘率。
  11. Computerized high - speed lockstitch se4wing machine simplified the working process and improved the efficiency. with features of automatic thread trimmer, thread - wiper, reverse - feed and presser footlifter

    採用電腦控制的高速平縫機簡化了普通平縫機的操作程序,減少了工人的勞動強度,大大提高了生產效率.具有自動剪線、自動停針、自動倒縫及自動抬壓腳等功能。
  12. It can be used in any complex environment, can locate all paths from transmitter to receiver which avoid redundant calculation, and it is a standard 3 - d forecast model ; in addition, it is a point to point ray tracing method based on specular theory which do n ' t carry out the receive test ; furthermore the model adopt the reverse arithmetic which exert the tree concept in data frame and establish a virtual fountain tree permanently, the proagmme can back - search the virtual fountain tree when it is running. these operation increase the calculate speed and it result in the higher receive efficiency and precision. the thesis design a programme to compare the prediction results based on ray tracing method of virtual fountain tree between the measurement results and prediction results based on the other transmittion models. the comparsion result indicate the new model is a better model

    它可應用於任何復雜的傳播環境中,能找到發射機到接收機之間的所有電波傳播路徑而無須冗餘的計算,是一種準三維的預測模型;另外,從本質上講,它仍然是一種基於鏡像理論的點對點的射線跟蹤法,所以它無須進行接收測試;而且由於採用了反向演算法,運用數據結構中多叉樹的概念,先確定需要計算的場點位置,找出所有能從源點到達場點的射線,並且可一次性建立一個虛擬源樹,以後每次的計算只要通過對該樹進行後序遍歷即可,大大提高了運算速度,因而有較高的接收效率與精度。本文對該模型進行了相應的模擬,並將其預測結果與實測結果以及基於cost231經驗性模型和基於強力射線跟蹤確定性模型的預測結果進行了比較,結果表明了該模型的優越性。
  13. With the vacuum air flow transferring theory, the machine has a frame of stainless steel, which takes it easy to installing and uninstalling. pulse puffin reverse device was set in the machine in order to increase the efficiency of dividing materials, to control automatically the transferring and feeding various kings of powder materials, it is suitable for matching the plastic injector or extruder, which requests high for the height of feeding, long distance of feeding and big quantity of feeding

    本機採用真空氣流輸送原理,不銹鋼組合結構,裝拆簡單,維修方便,內藏脈沖反吹裝置,物料分離率高,可對各種粉料自動控制輸送加料,適用於上料高度較高,輸送距離較遠及上料量大的注塑機及擠出機的直接配套使用。
  14. This machine adopts two species of drillingtechnique of direct and reverse circulation, the efficiency enhances observably in the process of ovum, gravel and rock layer construction

    該機可採用正反循環兩種鉆進工藝,在卵、礫、巖層施工中,效率顯著提高。
  15. In the paper, we firstly introduce database technologies into ontology storing, put farther forward a directly storing method from ontology to relational database, this method makes for advancing efficiency for ontology storing and query. secondly, we ameliorate rdf / owl ontology storing arithmetics : rdf2rdb and owl2rdb, experiments prove these betterments can improve query efficiency for ontology data stored. whereafter, we study the reverse technique from relational database to ontology, put forward a method from relational pattern to owl, it proves to be valid through an example

    本文首先將數據庫技術引入到本體存儲中,進而提出了本體向關系數據庫直接存儲的方法,該方法可以提高本體存儲和查詢效率;另外研究並改進了rdf和owl本體的關系模式存儲演算法rdf2rdb 、 owl2rdb ,實驗表明兩種方法可以有效提高本體存儲后的查詢性能;然後研究了關系模式下的數據反向到本體的技術,提出了關系模式向owl本體映射的方法,並以實例證實方法的可行性。
  16. The informational efficiency can mitigate the reverse selection problem and the agency problem will be solved by good corporate governance. so we will discuss the stock market resource allocation efficiency from the two aspect - - - informational efficiency and corporate governance

    市場價格信息效率有助於解決市場中的逆向選擇問題,而市場道德風險問題的解決,則取決于上市公司公司治理結構的優劣和經營效率的高低。
  17. As an important approach for improvement of productive efficiency and shape design, more and more attention is paid for reverse engineering, fitting of quadratic surface is one of its components

    作為提高生產效率和改善造型設計的重要途徑,逆向工程受到越來越多的重視,空間二次曲面擬合是其重要組成部分之一。
  18. Effective management on reverse logistics is not only good for environment protection, but also vital to enterprises in that it can bring increased profits, reinforce their competitive strengths and thus improve the achievement and efficiency of supply chain integrally

    本文的深刻含義在於對逆向物流的有效管理,不僅能保護環境、為企業帶來明顯的經濟效益,而且還能強化企業的競爭優勢,提高供應鏈的整體績效。
  19. Atos is a system for data capturing in reverse engineering. due to its high efficiency of capturing and simple operation, it has became one of leading measuring systems in reverse engineering

    Atos測量系統是一種先進的光學測量設備,因為測量的高效和操作的方便,使其很快成為逆向工作中的主流測量設備之一。
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