weight efficiency 中文意思是什麼

weight efficiency 解釋
加權效率
  • weight : n 1 重量；體重；求心力，重力，（地心）引力。2 斤兩，分量，衡，計重單位。3 （壓東西的）重物。4 砝...
  • efficiency : n. 1. 功效。2. 效率；效能；實力，能力。3. 【物理學】性能。
  1. Therefore, this type of filter is characteristic of low pressure los s, high efficiency, light weight, non - agglutinant, low - request to humidity and non - completely throwing away ( just needs change the filter tubes ), thus it has fairly big market in the future

    因此該種過濾器具有阻力低，效率高，重量輕，無膠密封，對濕度要求不高，非完全拋棄性（更換時只需更換濾管）等特點而具有較大的市場潛力。
  2. Non - clapboard type, advanced technology, excellent performance, ultra thin and light weight, low resistance, high efficient, efficiency 99. 99 %, conform to the national standard

    無隔板款式，技術領先、性能卓越、超薄輕質、低阻高效、過濾效率99 . 99 % ，符合國家標準。
  3. High qualified aluminum alloy non - clapboard type high efficiency air filter is in set and sealed with liquid, with the advantages of ultra thin, light weight, low resistance, high efficient, reliable and convenient to change

    採用高品質鋁型材無隔板高效過濾器和液體密封技術，超薄輕質、低阻高效、密封可靠、更換快速便捷。
  4. Use of multi - level optimization technique in structural optimization design can reduce the structural weight, improve the efficiency of calculation, and shorten the design cycles

    將多級技術應用於結構優化設計中，將會減少結構的計算量，提高計算效率，縮短設計周期。
  5. A novel bi - directional dc / dc converter was introduced in the dissertation, which based on refer much converter data. the soft switching, phase - shifted pwm and bi - directional dc / dc converter hang together, depress circuit switch ullage and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same, the converter have the virtue of structure compact, voltage and current stress small etc such as ordinary hard switch converter

    本文作者在查閱國內外大量雙向dc dc變換器資料的基礎上，採用一種新型雙向dc dc變換器的拓撲結構，把軟開關技術和移相控制pwm技術以及雙向dc dc變換器技術有機結合在一起，有效地降低了電路的開關損耗和開關噪聲，為變換器裝置提高開關頻率、效率以及降低尺寸及重量提供了良好的條件。
  6. With the development of power electronics technology and devices in recent years, instead of using the industrial frequency transformer to boost voltage, dc / dc high frequency converter achieves the function. the system has higher power density and conversion efficiency, and the size, weight, ac noise of which has been greatly reduced

    近年來，隨著電力電子技術與器件的迅速發展，使用dc dc高頻變換技術代替工頻升壓，系統具有較高的功率密度與轉換效率，裝置體積、重量與交流噪聲大大減小。
  7. Dust collection efficiency, weight method, electrostatic precipitators, air rolling filters, hepa filters, panel air filters, etc

    塵收集效率、重量法、靜電沉積器、滾動式空氣過濾器、高效率過濾器、袋裝過濾器等
  8. Oled has been attracting much attention in recent years for its superior performance in the aspects of thin and light - weight, active emitting, wide visual angle, high brightness, fast video response time, low power dissipation, high efficiency, potential low cost, flexibleness, greenness, etc. the intrinsic characteristics of oled give visual and form factor advantages over lcd, and oled has been regards as one of the most ideal and potential next - generation display technologies with its excellent characteristic on information display and device fabrication

    它被業界公認為是最具發展前景的下一代顯示技術。本文對有機電致發光顯示器件的發展歷史、發展現狀和趨勢等都做了簡要的概括，研究了oled的器件結構、工作特徵、獲得彩色顯示的方法以及所具有的優缺點，並在此基礎上提出了一種amoled外圍驅動系統的設計方案。本驅動系統可分為屏上驅動電路和外圍控制電路。
  9. This article points out that in china, the drought is aggravating gradually, agriculture proportion is decreasing slowly, arable area per capita, irrigation area and weight of diffusion area of new quality maize seed shows slow growth. it is difficult to improve maize technical efficiency

    對技術效率的影響因素的研究結果表明，全國的旱災趨于加重，農業比重正在緩慢下降，人均耕地面積、灌溉和新品種應用的增長不快，而且從分佈上來看多對玉米主產區不利，未來玉米技術效率提高的形勢嚴峻。
  10. Under the precondition that the radiator has enough cooling efficiency and intension, it is the necessary trend that the volume is less, the weight is lighter, the tube wall and belt materials are thinner, and the cooling efficiency is higher

    在保證散熱器具有足夠散熱能力和強度的前提下，體積更小、重量更輕、管壁及帶材更簿、散熱效率更高成了散熱器發展的必然趨勢。
  11. As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system

    功率放大器（ pa ）作為無線通信射頻發射機中不可缺少的關鍵電路，對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用，而適用於恆包絡信號放大的e類功率放大器，更是在現代通信系統中佔有十分重要的地位。
  12. Direct methanol fuel cell ( dmfc ) is one of promising candidates as power sources in portable electronic products, electric vehicle etc ， due to their inherent simplicity of design and operation, high energy efficiency, small weight and volume, and low pollution

    直接甲醇燃料電池（ dmfc ）具有燃料易運輸與存儲、重量輕、體積小、結構簡單、能量效率高等優點，在手提電源、電動汽車等領域具有廣闊的發展前景。
  13. This study was conducted to examine the interrelationship of 10 seed vigor traits in 12 wheat genotypes through variance, co - variance and path coefficient analysis, to determine broad - sense heritability, and to estimate genetic advance under selection. the genotypes showed significant difference for all traits, except for percentage of normal seedling. genetic correlation between conversion efficiency of seed reserve, electrical conductivity with other traits were not significant, showed that selection for any of them might be possible without hampering any other traits. however path coefficient analysis indicated that conversion efficiency of seed reserve, seed reserve utilization ratio have strong direct effect in affecting seedling weight, and that mean germination time has significantly negatively correlated in affecting gi. moderate to high estimates of broad - sense heritability, genetic coefficient of variation and expected genetic advance were obtained for electrical conductivity, germination index, mean germination time, seed dry weigh, seedling dry weigh, seed reserve depletion ratio indicating the possibility for improving these traits

    本研究利用12個普通小麥品種對10個種子活力性狀的遺傳變異和相關研究，表明除正常幼苗百分率外，其餘種子活力性狀在品種間均存在顯著的差異.種子貯藏物質轉換效率、電導率兩個性狀間及與其它性狀均無顯著的遺傳相關，因此對他們的選擇不會影響到其它性狀.通徑分析表明幼苗干重主要取決于種子貯藏物質轉換效率、種子貯藏物質利用速率;發芽指數主要由平均發芽時間決定.電導率、發芽勢、幼苗干重、種子干重、發芽指數、種子貯藏物質消耗比率6個性狀表現中到高的遺傳力、遺傳變異系數和相對遺傳進展，指明通過遺傳育種手段改良這些性狀是可能的
  14. The soft switching, phase - shifted pwm and bi - directional dc - dc converter hang together, depress circuit switching loss and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same time, it is proved the converter can achieve zvs in larger load variation, and the converter has the virtue of structure compact, voltage and current stress small such as ordinary hard switch converter

    該變換器把軟開關技術和相移控制pwm技術以及雙向dc - dc變換器技術有機結合在一起，有效地降低了電路的開關損耗和開關噪聲，為變換器裝置提高開關頻率、效率以及降低尺寸及重量提供了良好的條件;同時，能拓寬零電壓開關的范圍，使變換器在較寬的負載變化范圍內都能實現軟開關。
  15. In the last, the modern control theory and simulink in matlab have been integrated together, and it has been applied in active control of the platform structure elastically supported ; a mechanical model and an equation of motion in state space have been established. based on coc, dynamic response of the platform structure elastically supported has been studied under simple harmonic load ; the influence of different values of weight function to the active control efficiency of the structure has also been discussed

    本文還將現代控制理論與matlab的simulink動態模擬軟體包相結合，將其應用於彈性支承平臺結構的主動控制中；建立了彈性支承平臺結構主動控制理論的力學模型和狀態空間內的運動方程；應用經典線性最優控制演算法對彈性支承平臺結構在簡諧荷載作用下的動力響應進行閉環控制；分別從理論和數值計算兩個方面討論了狀態權函數矩陣q和控制權函數矩陣r的不同取值對控制效果的影響。
  16. The loss results from those factors, which are divided into three groups : the first one, drought, agriculture proportion and education index, is positively related with the loss of technical efficiency. the second, arable land per capita, weight of irrigation area and weight of new maize breed, is negatively related with it, and the last, water disaster and planting area of maize, is irrelated with that

    在影響玉米產出的各個因素中，旱災、農業比重、教育指數和效率損失呈正相關，人均耕地面積、灌溉、新品種應用和效率損失呈負相關而與技術效率正相關，水災、玉米種植比重兩個變量沒有表現出和效率損失有明顯的相關性。
  17. Compared with a power supply made in other ways with the same capacity, the same number of outputs and the same isolation voltage, the power supply discussed in this paper has the advantages of small in size, light in weight, high efficiency and reliability, low cost and so on

    相對于用其他方式研製的具有相同輸出路數、相同功率、相同隔離電壓的電源，新型電源具有體積小、重量輕、效率高、可靠性強、價格低等顯著優點。
  18. Mechanical impact dynamics is used to analyse the production and spread of stress wave when hydraulic pile hammer hammerblows piles, the stress wave influence the course of driving pile. slender hammer that is equal to wave resistance of the pile can bring ideal stress waveform. when the hammer weight is constant, efficiency of driving pile can be increased by means of selecting drive cap and cushion pad of different rigidity to match the hammer according to various geological condition and the pile. the structure and principium of hydraulic system of double - acting hydraulic pile hammer with double cylinders is studied in detail in the paper, the hydraulic system and electric control system of six - ton - double - actin hydraulic pile hammer with double cylinder is designed on the basis of it

    本文應用沖擊機械繫統動力學分析打樁過程中錘體與樁撞擊時應力波的產生、傳播以及該波對沉樁過程的影響。認為與樁等波阻的細長狀錘體能夠產生理想的應力波波形；在樁錘重量一定的情況下，可針對不同的地質情況和樁，通過選擇不同剛度的樁帽和樁墊與其匹配來提高打樁效率。本文對雙缸雙作用液壓打樁錘液壓系統的結構和工作原理進行了深入的研究，並在此基礎上設計出六噸雙缸雙作用液壓打樁錘的液壓系統和電控系統。
  19. As an important part of fuel cell power generation system, dc / dc converter affects a lot to the volume, weight, cost, efficiency and performance of the system

    Dc / dc變換器作為燃料電池發電系統的一個重要組成部分，對整個系統的體積、重量、成本、效率和性能的影響非常大。
  20. The efficiency of the inhibitors was studied by static weight - loss method

    用靜態掛片失重法研究了它們的緩蝕效率。
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