空載比 的英文怎麼說

中文拼音 [kōngzǎibǐ]
空載比 英文
nlr no load ratio
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 載 : 載Ⅰ名詞（年） year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • 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...
  • 空載 : carrying idler; idler; idling; no live load; empty load; no load; non load; weight empty空載變速 ...
  1. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。
  2. Brownouts are sometimes caused by overloaded circuits and are sometimes caused intentionally by the ac utility company in order to reduce the power drawn by users during peak demand periods ( like during hot summers when everyone is using their air conditioners )

    有時電路過載會引起電燈暗淡，有時供電公司有意這樣做，是為了在用電高峰期內降低用戶的用電量（比如在盛夏，每家人家都在使用空調） 。
  3. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。
  4. In these conditions, the no - loading electric motive forces are contrasted and analyzed

    並對這幾種情況下的空載電勢進行了對比、分析。
  5. Huadi has cultivated a famous brand in the urban electricity network equipment industry with our emphasis on technology, quality, and honesty, while maintaining the standards of high efficiency, staff recognition, and innovation

    產品性能指標符合jb t10318 - 2002油浸式非晶合金鐵心配電變壓器技術參數和要求，該產品與s11產品性能比較，其空載損耗僅為s11空載空載損耗的33 ，負載損耗相同。
  6. Each unit of transformer is tested in accordance with the following items : winding d. c resistance test. measurement of turn ratio and calibiation of voltage vector relation. measurement of impedance voltage and load loss

    直流電阻測試匝數比測量及電壓矢量關系的校定阻抗電壓及負載損耗的測量空載損耗及空載電流的測量工頻耐壓測試感應耐壓測試絕緣電阻測試局部放電測試外觀和尺寸的檢驗銘牌的檢驗等。
  7. In famous constructions and key projects such as capital international airport, sanxia three gorges hydropower project, nanjing metro subway, qingdao good - world sea palace, jinan railroad sub - bureau, suzhou amusement park, beijing 1st heating power plant, china 2nd autombile plant, xian peace villa, our products continue to operate safely

    其技術性能指標達到目前國內同類產品的領先水平，其空載損耗比s11型配電變壓器的空載損耗降低60以上。同時，由於本產品採用全密封結構，絕緣油和絕緣介質不與空氣接觸，因而可在潮濕的環境中運行，是城市和農村配電網路中理想的配電設備。
  8. Windings d. c. resistance measurement, measurement of impedance voltage and on - load loss, measurement of no - load loss and on cload current, power frequency withstand voltage test, inductive voltage with standing test, measurement of partial discharge level, inspection of appearance and dimension inspection of name plate

    直流電阻測試匝數比測量及電壓矢量關系的校定阻抗電壓及負載損耗的測量空載損耗及空載電流的測量工頻耐壓測試感應耐壓測試絕緣電阻測試局部放電測試外觀和尺寸的檢驗銘牌的檢驗等。
  9. By applying the method composed of theory analysis, simulation and test verification, some researches have been done on unload characteristic, torque - current characteristic, revolving speed - voltage characteristic and mechanism characteristic of the motor system. meanwhile, various control modes of the system are analyzed. all these researches provide some references for the motor ’ s application

    採用理論分析、模擬模擬、試驗驗證相結合的方法，分別研究了雙凸極電機的空載特性、轉矩電流特性、轉速電壓特性、機械特性，並對各種控制方式進行了分析、比較，為在實踐中更好地應用雙凸極電機提供了一定的依據。
  10. The power angle characteristics are acquired and compared with the unsaturated curves. it is concluded that the stability limit of the power angle is less than 90 degree. reactive power regulating curves are calculated and compared with those curves when saturation effect is not considered, the result is that u type curves are deviated to the right

    通過對同步發電機各種運行曲線的計算，在已有文獻的基礎上更進一步分析了鐵磁材料飽和以及磁場畸變對同步發電機運行特性和參數的影響；求出了空載特性曲線和零功率負載特性曲線，在不同的電樞電流下計算得到的波梯電抗不同；求出了功角特性曲線，與不計飽和時的功角特性曲線相比較，功角穩定極限小於90 ；求出無功調節曲線，與不計飽和時相比較， u型曲線向右偏移。
  11. The no - loading emf of prototype and the no - loading emf of conventional generator are contrasted and analyzed, in the condition of considering the influence of damping winding and core saturation

    並在考慮鐵心飽和、考慮阻尼繞組影響情況下，將傳統發電機的空載電勢與電力發生器樣機的空載電勢進行了比較、分析。
  12. According to the no - loading waveform deviation factor, the prototype conforms to the national design standard and practical needs in the engineering. more important, the high voltage is achieved. in the condition of considering core saturation and damping winding influence, the influence to powerformer of the no - loading tooth harmonic emf is smaller than conventional generator, and the waveform deviation factor of the former is smaller, too

    由求得的樣機空載電勢波形畸變率可知，該樣機滿足國家設計標準和工程實用要求，更重要的是，實現了產生高壓的目的；考慮鐵心飽和、考慮阻尼繞組影響情況時，電力發生器與具有相同尺寸（除定子槽形）的傳統發電機相比，空載齒諧波電勢對電力發生器的影響較小，前者的空載波形畸變率較小。
  13. Result 1, human antisense cd40 rna eukaryotic expression vector was constructed successfully. 2, in the presence of cd40 / pcdna3, cd40 expression was significantly decreased, cell proliferation and antibodies generation were significantly restrained, compared to that of the controls ( p < 0. 01 )

    2 、與轉染pcdna3空載體組或未轉染質粒組相比較，轉染cd40 pcdna3的健康人及sle患者b細胞系cd40的表達均明顯減少，增殖能力明顯下降， ig的分泌受到明顯抑制。
  14. Finally, multi - period startup cost allocation problem is studied, and two methods are suggested, in the first method, multi - period startup cost is allocated based on the allocation outcome of single - period allocation, while in the second method multi - period startup cost of a trading day is allocated as a whole

    然後在比較分攤結果的基礎上，分析了這兩種分攤法的特點和適用范圍，並指出了兩者的優缺點。此外，文中對機組空載費用的分攤問題也進行了有益的探索。
  15. It was also found that the average number of germinated pollen grains on each stigma of ga mutant was less than that of wild type, while in ga overexpression strains the average number was more than that of control ( wild type and empty vector control )

    體內實驗中， gpa1突變體柱頭上實際萌發的花粉粒數少於野生型，超表達植株則多於野生型和空載體對照； agb1 - 1突變體柱頭上實際萌發的花粉粒數與對照比較差異不顯著。
  16. Frequency regulation frequency regulation is a measure that states the difference between no - load and full - load frequency as a percentage of full - load frequency

    頻率調整率頻率調整率是指空載和滿載之間頻率的差別與滿載頻率的百分比。
  17. Second, engine ' s partial velocity characteristics model and universal characteristics model are built the throttle opening is considered as an essential factor to build the model for reflecting the actual working performance of engine. the situation of the throttle opening change is studied, and a simulation method is given to use torque curved surface and vehicle dynamics equation on base of differential approach method. engine test software is developed for the engine no - load test, variable throttle opening test and throttle step change test

    其次，建立了發動機的部分速度特性模型和萬有特性模型；為了更好的反映發動機的實際工作特性，將油門開度作為一個重要參數參與建模，並對發動機變油門的情況進行了研究；結合轉矩曲面和整車動力學方程，採用微區間逼近法確定了發動機變油門過程模擬方法；開發了發動機試驗測控軟體，利用該軟體進行了發動機空載響應試驗、發動機不同油門開度試驗和油門階躍變化試驗，並對實際試驗數據和數學模型計算數據進行對比；在vc + +平臺上開發了發動機特性模擬模塊，在系統中用軟體實現了變油門控制發動機特性的功能。
  18. The experiments of motor without and with load on a given frequency are completed in this paper. these results are compared and analyzed. the feasibility of the scheme is validated through the analysis of the results

    通過理論分析和對控制系統的設計，作者在dsp電機控制教學實驗及系統開發平臺上對六邊形磁鏈控制演算法進行了初步的開環實驗，完成了電機在一定頻率下空載和帶負載的實驗，並對實驗結果進行了對比分析，結果驗證了系統設計方案的可行性。
  19. And then, a method of load - flow low - pressure measurement was proposed in the light of the hydraulic - resistance theory of servo valve. the validity of the method was proved by the experimental results. therefore, the measurement of the characteristic of load - flow and no - load flow can be realized by using this method

    然後根據電液伺服閥的液橋理論提出了一種負載流量低壓測量方法，在所開發的測試系統上，利用電液比例閥模擬流量測量裝置對所提出的方法進行了試驗驗證，實現了利用低壓流量計和壓力傳感器進行電液伺服閥負載流量特性和空載流量特性的測量。
  20. The basic design index was : maximum output power 9w, no load consumption < 50 mw, switching frequency 132khz, maximum duty cycle 65 %, thermal shutdown temperature 135. simulation is very important to analog ic design

    該變換器電路的主要設計指標為:最大輸出功率9w ，空載時晶元的功耗低於50mw ，開關頻率為132khz ，最大占空比為65 % ，熱保護溫度135 。
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