重量功率比 的英文怎麼說

中文拼音 [zhòngliánggōnglǜbǐ]
重量功率比 英文
weight power ratio
  • 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...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 功 : 名詞1 （功勞） exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 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...
  • 重量 : weight; scale; heft
  1. With the ground effect, they own higher lift / drag ratio than general aircraft, so need less thrust power and have the ability to carry more loads or fly longer

    在地效的作用下，它的升阻比比一般的飛機大，因而飛行時所消耗的推進功率小，具有更大的載重量或航程。
  2. For this reason, extreme radiation hardness and high power / weight ratio solar cells, which can work properly in van allen belts, must be developed

    因此，為了能使通信衛星在vanallen輻射帶正常工作，必須要有一種強抗輻射並且具有較高重量比功率的太陽電池。
  3. E ) lack of foresight on finance lease scheme, which causes irrational tenor structure and imbalanced annual outflow of rental payments, results in funding costly. to solve aforesaid problems, thesis finds out the following principles for optimizing ca ' s aircraft finance : a ) determining the volume and currencies of ca ' s cross - border aircraft finance based on the annual outflow of foreign debt repayments and annual net inflow of foreign exchange, so are the dominated currencies in debt. b ) enlarging the portion of borrowings at floating interest rate in ca ' s whole foreign debt

    針對以上存在主要問題，本文進一步提出了優化飛機融資的總體構想，包括：根據其每年的外匯流入總量及幣種構成確定國航合理的飛機境外融資規模應與負債幣種；在利率結構方面，擴大浮動利率在整個國航外債中的比重，選擇適當時機將部分固定利率貸款轉換為浮動利率貸款；在飛機引進多元化方面，通過與飛機製造廠商、出租公司飛機互換的方式優化機隊構成，結合提前中止現有飛機租賃就能夠起到優化債務結構和機隊構成的事半功倍的效果，以及在未來飛機融資中優先使用經營性租賃等。
  4. The paper emphasesd on the following issues : integrating network topology automatic discovery and network performance monitoring into an uniform web environment via activex control technique. constructing a hierarchic network monitor system based on distributed data replication technology via sql server replication function. analysising the relation between network usability, error and discard rate consequently to find out a formula, which can be used to calculating the congestion likelihood and setting the threshold for alerting the congestion situation

    論文重點論述了以下幾個問題：採用控制項技術，使網路性能監視、網路拓撲的自動發現集成在統一的web平臺上；運用sqlserver的復制功能，構造一種基於分佈數據復制技術的層次式網路監視系統；對網路利用率、出錯及丟棄百分比信息進行分析，找出它們在推算擁塞可能性時的量化公式，並應用於閥值設置，以實現對擁塞可能性進行預警；研究分析在不同范圍內的拓撲發現工具及演算法，並針對系統需求設計實現一種域內分級式網路拓撲發現演算法。
  5. The control motors in the well traction robot require high temperature resistant, quick response, small volume and large power density. because coreless dc motors uses ironless - rotor, the inertia and inductance is very small, mechanical time constant is less than 28 milliseconds, several products can attain in less than 10 milliseconds. its weight and size are 1 / 3 - 1 / 3 less when compared with an iron core motor of same power

    水平井牽引機器人對控制電機不僅有耐高溫要求，而且有響應快、體積小、能量密度大等要求，而空心杯電樞直流電動機由於無鐵心，故慣量和電感均大為減小，機電時間常數小於28ms ，部分產品可以達到10ms以內;與同等功率的鐵芯電機相比，其重量、體積減輕1 / 3 - 1 / 2 ，是低慣量電機中性能最好的一種。
  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. In this thesis, we have mainly studied the characteristics of chf3, c6h6 and cf4 electron cyclotron resonance ( ecr ) plasma using langmuir probe and optical emission spectroscopy ( oes ). the relative concentration of different radicals in chf3 plasma and the effect of chf3 / c6h6 ratio on bond configuration of a - c : f films were discussed. it was showed that h, f, c2 were the main radicals among radicals of h, f, c2, ch and f2 in chf3 ecr plasma

    重點研究了chf _ 3 、 cf _ 4和chf _ 3 c _ 6h _ 6放電等離子體中基團的分佈；分析了不同基團的相對密度隨宏觀放電條件（微波輸入功率、放電氣壓、源氣體流量比）的變化規律；探討了等離子體中各種基團的生成途徑；在不同源氣體流量比的條件下沉積了a - c ： f薄膜並通過傅立葉變化紅外吸收光譜（ ftir ）的測量得到了薄膜中鍵結構的信息；分析了a - c ： f薄膜的沉積速率及其鍵結構與等離子體空間基團分佈狀態之間的關聯。
  8. In chapter 3, the pressure pulse under the two situations of the system with and without damper is discussed at the basic of analyzing the flow rate pulse. then the conclusion that the system has filtering effect is drew after adding a damper in it, but its serious in power wastage because of adding a damper

    第三章，在分析液壓泵流量脈動的基礎上，討論並對比了系統加與不加阻尼兩種情況下各自的壓力脈動，得出系統中加一個阻尼后，具有一定的濾波作用，但是當流量較大時，由於阻尼的存在，系統功率損失比較嚴重。
  9. The results showed that : ( 1 ) the application of the above optimization method is feasible in the process of vacuum residue hydrotreating. ( 2 ) shaft power is a small part in the operation fees of the hydrogen system and has little influence on the optimization results. ( 3 ) vent should be decreased to reduce energy consumption because of the high concentration of the cycle hydrogen after rebuilding of the unit

    在pc - 133微機上進行了模擬和優化計算，結果表明： （ 1 ）以復合形法為核心的可行路徑序貫模塊法在重油加氫過程中的應用是可行的； （ 2 ）壓縮機軸功率在重油加氫的氫氣系統操作費用中所佔比例較小，對優化結果影響不大； （ 3 ）裝置經過技術改造后循環氫純度過高，可以減少放空以節省能耗； （ 4 ）建立的氫耗模型能夠可靠地計算現有裝置的循環氫濃度、溶解氫總量和裝置氫耗量。
  10. None but is the test spectrum abundant and controllable, it is possible to simulate the stresses environment needed for exposing weakness of the product. based on summarizing the present status of the vibration test and vibration environment simulation technology in the world, the topic of simulation of super - gaussian random vibration environment with controllable frequency spectrum and its applications in reliability enhancement testing is put forward. the main content and conclusions of the dissertation are as following : 1

    本文在綜述國內外振動試驗技術和振動環境模擬技術的基礎上，引出「頻譜可控的超高斯隨機振動環境模擬技術及其在可靠性強化試驗中的應用」這一主題，並緊緊圍繞該主題開展了如下研究工作: 1 .全面分析了振動激勵的功率譜密度量級、幅值分佈、帶寬以及試件結構的固有頻率、阻尼比等因素對疲勞損傷累積的強化效應，提出振動強化試驗激勵信號應具備的重要特性:頻譜可控和超高斯，確立了本文的研究主題和方向。
  11. Cid - icp - aes has the advantages of high sensitivity, high signal - to - noise and high quantum efficiency, which nearly reaches theoretical limit value of theoretical parts of an apparatus ; it can memorize thousands of spectra lines at the same time. cid - icp - aes is the newest model, and there are still few articles to report analytical character of this type, as this result the optimum of operating condition and the effect of analytical parameters for photometric precision, signal - to - noise and detection limits are studied : r. f. power is 11 sow, nebulizer pressure is 28psi, the measurement time is 3 times and the integral time is 20s

    本實驗室的光譜儀是當前最新型號的全譜直讀光譜儀，這類新型裝置分析性能的研究報道較少，因此研究著重分析了參數對測量精密度、線背比及檢出限的影響，對儀器最佳操作條件進行了摘要優化：發射功率採用1150w ；載氣壓力為28psi ，測量次數選擇3次，積分時間為205 。
  12. Frequency source is widely used in today ' s electronic equipment and even refered as " a heart " of many electronic systems. the frequency synthesizer with a lot of channels and high frequency stability by means of theory of phase locking has almost been a necessary component in the modern electronic systems such as telecommunication, radar and electronic countermeasure. the phase - locked frequency synthesizer can be generally divided into two kinds : one is digital phase locked frequency synthesizer, the other is analog sampling phase locked frequency synthesizer. compared with the prior, the latter has many merits such as lower phase noise, samller volume, lighter weight and lower power consumption and has a wide foreground in the equipments of microwave band

    利用鎖相原理來獲得波道數目眾多、頻率穩定度很高的頻率合成器，幾乎已成為現代通信、雷達和電子對抗等電子系統不可缺少的組成部分。鎖相式頻率合成器一般分為數字鎖相頻率合成器和模擬取樣鎖相頻率合成器兩類。取樣鎖相頻率合成器與數字鎖相頻率合成器相比，具有相位噪聲低、體積小、重量輕和功耗低等優點，尤其在微波波段的電子設備中，具有廣闊的應用前景。
  13. Frequency - domain equalization. at the same time discusses some key problems in ofdm : high ratio of peak - to - average power of output signals, problem of synchronization, channel estimation, adaptive bit, power and subcarrier allocation. emphasize on channel estimation, and present a new algorithm which can filtering more interpolation errors and noise. for the sake of improve the performance of resist narrowband noise and make efficient use of the spectrum apply malvar wavelet division

    同時就ofdm系統中的一些關鍵問題如峰值平均功率比（ papr ）太高，同步問題，通道估計，通道、比特與功率必須動態分配進行了研究，著重研究了通道估計問題並提出一種改進的方法，能濾除更多的噪聲分量和插值誤差，提高系統的性能；為了提高抗窄帶噪聲的性能和提高通道利用率，用malvar小波變換實現了不等帶寬分配。
  14. It is not only high in the power - weight ratio and large in the load stiffness and applied force but also agile in electric system and high in precision

    它既利用了液壓系統功率?重量比高、負載剛度大及作用力大的特點，又充分發揮電氣系統靈活、精度高的優勢。
  15. This is a 2 - stroke engine, although its efficiency is lower than a four - stroke engine, its specific efficiency ( it is lighter ) is higher, so it is often applied in some small engines, etc. motorcycle and electronic saw

    這是一組二沖程的引擎，他的效率不如四沖程來的高，但是因為重量與功率比很高也就是體積輕巧，所以常常用在如機車、電鋸等小引擎的應用上。
  16. With the hardness tests, it is indicated the hardness of the nano alumina or nano silicon carbide coating is improved to 1. 6 - 2. 5 times as that of the plasma spraying coating. with the wearing tests, it is indicated that low laser power employed, the wearing performance of the coating without nano material increase to 1. 3 times as that of the plasma coating, at the same time, the wearing performance of the coating with nano material increase 2. 3 - 6 times as that of the plasma spraying coating, the wearing mechanism is further analyzed. with the erosion tests, it is indicated that the erosion performance of the coating with nano material increase five times as that of the plasma spra

    與相應等離子噴塗層相比，硬度測試表明，含納米al _ 2o _ 3或sic的各種復合塗層硬度提高了0 . 6 - 1 . 5倍左右；耐磨性測試表明，小功率下單純的激光重熔耐磨性提高了30 ，而納米滲入后塗層的耐磨性提高了1 . 3 - 5倍左右，對耐磨性提高的機理作了進一步的探索和分析研究；耐蝕性測試表明，經激光熔覆納米滲入后的各種塗層耐蝕性能提高了4倍以上，同時塗層厚度、表面質量對腐蝕性能有影響。
  17. Zinc - bromine battery can be broadly used as power plant of automobile, storage electric station and electric network of peakload unit, because of its high energy density, high specific power, security and low cost

    由於zn - br電池具有高能量密度、高比功率、高安全性和低成本等優點，所以能夠被廣泛地應用於汽車動力裝置、蓄能電站以及電網調峰等重要領域。
  18. The qualitative work including : research the phase trajectory of the system 、 poincare map 、 power spectral and auto - correlation. the quantitative work including : calculation of ratio of period 、 calculation of fractional dimension and coefficient of lyapunov, especially ratio of period and the maximum lyapunov exponent. the results show that chaos occurs in the movement of system

    定性的研究工作有：研究系統運動的相軌圖、龐加萊映射圖、功率譜圖和自相關函數圖；定量方面的研究工作有：周期比的計算、分維數的計算和lyapunov指數的計算，並著重進行了周期比和最大lyapunov指數的計算。
  19. The joint designing has the requirements of small size, light weight, large output torque, wide motion area etc. the hydraulic drive mode, which has the character of great ratio between power and weight, huge load capacity, smart structure etc, can fulfill all the design demands

    針對機器人關節要滿足體積小、重量輕、輸出力矩大、運動范圍大等設計要求，採用液壓驅動的方式以其具有功率重量比大、驅動力大、結構緊湊等優點，可以充分滿足機器人關節的設計要求。
  20. On the basis of comparing the several kinds of commonly battery used in electric vehicles, the characteristics of mh - ni battery and the estimation method of the state - of - charge ( soc ) of it is analysis especially in the article

    在比較了幾種電動車常用的蓄電池的基礎上，文中重點分析了混合動力用高比功率鎳氫電池的一些特性，並介紹了一種用於高比功率鎳氫電池的剩餘容量（ soc ）的估計方法。
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