無載特性 的英文怎麼說

中文拼音 [zǎixìng]
無載特性 英文
no load characteristic
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : 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 ...
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
  1. Based on the special load of the contactless system, this paper analyses and contrasts the principle and feature of the series and parallel resonance circuit. design the high frequency full - bridge series resonance converter and make the main circuit apply to the contactless electrical power deliver system and analyses the process of the main circuit in detail

    根據接觸電能傳輸系統殊的負,詳細分析並對比了並聯和串聯逆變器的工作原理及電路點,設計出應用於接觸系統中的高頻全橋串聯諧振逆變器的拓撲結構,進而設計並製作了系統的主電路,詳細的分析了主電路的工作過程。
  2. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參數隨負;電網電壓;給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散滑模控制時,必須針對速度環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ,以確保系統在參數攝動時的穩定和快速、超調、準確定位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比研究,並將該設計方法用於工業試驗中,取得了滿意的結果
  3. In the end, by studying the load character of contactless electrical power deliver system, this paper designs the high frequency full - bridge series resonance converter

    最後,文中詳細分析了接觸電能傳輸系統的負,進而設計出用於接觸電能傳輸系統的高頻全橋串聯諧振逆變器的拓撲結構。
  4. In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared

    本文在已有研究成果的基礎上進一步開展了以下幾方面的研究: ( 1 )在對層狀地基傳遞矩陣法中的總傳遞矩陣分析的基礎上,提出了廣義雙層地基模型的概念,並把半限體的傳遞矩陣r引入到多層地基在圓形垂直均布荷、矩形垂直均布荷及條形垂直均布荷作用下附加應力與沉降的解析式中; ( 2 )根據多層地基在圓形荷、矩形垂直均布荷及條形垂直均布荷作用下附加應力與沉降的解析式,編制了程序,調試通過並驗證了其正確; ( 3 )通過對雙層地基圓形垂直均布荷中心軸線上的附加應力系數和荷中心沉降,矩形垂直均布荷角點下的附加應力系數和荷角點沉降及條形垂直均布荷中心軸線上的附加應力系數進行的計算,探討了雙層地基中的附加應力與沉降; ( 4 )應用本文的層狀地基體系理論對一個工程實例進行了計算分析,並與傳統的計算方法的計算結果和有限單元方法的計算結果進行了對比分析,結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。
  5. Most lactic acid bacteria ( lab ) are commonly considered as safe probiotics. some strains of lactic acid bacteria are found to have the ability to adhere and live in the gastro - intestinal tract, urinogenital system or mucosa with no contemporary immunogenicity. importance is widely attached to the research of the lab as live oral and mucosal vaccine

    大部分乳酸菌是普遍認為安全的益生菌,利用一些乳酸菌可以在胃腸道、泌尿、生殖系統中或粘膜部位粘附存活且病原點,開展乳酸菌作為活菌口服疫苗或粘膜疫苗體的研究受到了廣泛的重視。
  6. Compound fluorouracil injection is a chemotherapy drug with various characteristics of carrier, targeting and increase immunity. the targeting system is able to directly deliver the liposome - coated drug to the lesion then kill cancer cells without side effects

    微脂體針劑是一種具有體、靶向和提升免疫力等多功能的化學療法用藥,此靶向能直接將包覆化療藥物的微脂體針對病灶直接殺死癌細胞而不傷害正常細胞,再者,它也會增加身體免疫力並且副作用。
  7. The low - cyclic reversed loading tests of two unbonded partially prestressed concrete frames with different ppr have been carried out. the aseismic behaviors are analyzed and compared, with emphases on failure mechanism, hysteretic property, displacement ductility, energy - dissipation capacity as well as stiffness degeneration, etc. the results show, when designed rationally, the unbonded partially prestressed concrete frames can form beam hinge energy - dissipation machine and total destroy mechanism

    通過兩榀不同預應力度的粘結部分預應力混凝土扁梁框架結構的低周反復荷試驗,分析研究了粘結部分預應力混凝土扁梁框架結構的破壞形態、滯回、位移延、耗能能力、承力及剛度退化等抗震能。
  8. Under the premise of ensuring the pump ' s normal performance, and its non - overload characteristics and aimed at lowering the maximum brake horsepower, the author also analysis the problem resulted from the saturation brake horsepower of the low specific speed sewage pumps and the solution to it. 3

    推導了排污泵飽和軸功率產生的理論條件,導出了排污泵設計的基本方程,在保證泵能要求的前提下,同時實現要求,討論了低比速排污泵設計中存在的問題及解決的途徑。
  9. The main contents include inherent vibration feature, stability characters, effect of geometry non - linearity and the tower obliquity, impact of system different temperature and local different temperature etc. the result in the article will provide the design references for the project of no back - stays & inclined pylon cable - stayed bridge

    本文的主要工作有:介紹背索斜塔斜拉橋的自振,全橋模型在荷下的穩定徵,結構幾何非線的影響,斜塔傾角對結構的影響,體系溫差和局部溫差對結構的影響等。
  10. Mb series variable speed machine has feature of novel model, beautiful appearance, simple and rational structure, even load distribution, smooth transmission, sensitive in regulating speed and heavy loading capability etc.

    Mb系列轉臂行星式級變速機造型新穎外形美觀結構簡單合理受力均勻,傳動平穩調速靈敏高及承能力強等
  11. After keep working more than 48 hours with full load under normal temperature, the charger should work as usual and no deviation upon the characteristics

    在常溫下?充電器以滿工作連繼48小時后充電器會正常動作?任何改變。
  12. So, both 1 / f noise power spectrum measurement and similarity coefficient extracted from its time series can offer economical, effective and indestructible tool to detect the latent damage induced by esd and hci for mosfets

    因此,論是1 / f噪聲功率譜的測試還是由其時間序列提取得到的相似系數均可以作為經濟、有效、完全非破壞的工具,替代傳統的電用於檢測靜電引起的mos器件潛在損傷以及熱流子注入損傷。
  13. With the reference of many relevant materials, the author prepared a fined molybdenum disulfide powder with a average size of 800nm by ball milling, and a nano - copper with average size of 30nm in micromulsion solution method, and synthesized surface - modified titanium dioxide nanoparticles with average size of 40nm in organic media via sol - gel method. the tribological performances of three particles were studied by universal test as well, with the result of fined molybdenum disulfide powder with good reducing wear and antiwear performance at low load, nano - copper with good reducing wear and antiwear performance at high load, surface - modified titanium dioxide nanoparticles maintaining stable reducing wear and antiwear performance from low load to high load due to its characteristics of organic and inorganic nanocomposite. the results indicate that the nanocomposite is the most perspective oil additive. the reducing wear and antiwear mechanism of nano oil additive was studied with in - situ tribochemical principle. nano additives possess broadly developing prospect with its above - mentioned performance

    在參閱了大量文獻的基礎上,分別採用了球磨法、微乳液法、溶膠?凝膠法制備了超細二硫化鉬、納米銅粒子、表面修飾納米二氧化鈦,經原子力顯微鏡測試,獲得的超細二硫化鉬的粒度平均在800nm以內,納米銅粒子平均粒度約為30nm ,表面修飾納米二氧化鈦平均粒度約為40nm ,在萬能摩擦磨損試驗機上測試了三種粒子的摩擦學,結果表明:在合理的添加濃度范圍內,超細二硫化鉬在低時具有優良的減摩抗磨能,納米銅在高時具有比較好的減摩抗磨能,表面修飾二氧化鈦粒子因具有有機與機復合物的,從低到高都保持穩定的減摩抗磨能。
  14. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機運行及其最佳風能利用原理,通過模擬及實驗驗證了採用直流電機的輸出模擬風力機的最大輸出功率曲線的可行,並給出了模擬系統的硬體結構;然後為了實現交流勵磁發電機有功、功功率獨立調節機理,分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略;針對雙饋發電機轉子能量雙向流動的要求,提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器;最後為實現從理論到實踐的全面研究,研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統,進行了空、並網、同步速及上、下的發電運行等一系列的運行實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確、可行
  15. 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和參數的影響;求出了空曲線和零功率負曲線,在不同的電樞電流下計算得到的波梯電抗不同;求出了功角曲線,與不計飽和時的功角曲線相比較,功角穩定極限小於90 ;求出功調節曲線,與不計飽和時相比較, u型曲線向右偏移。
  16. Standard test method for compressive properties of polymer matrix composite materials with unsupported gage section by shear loading

    剪切荷法測定帶支撐標準截面的聚合母體復合材料抗壓的標準試驗方法
  17. Associated with three research projects, this work is mainly concerned with array elements, array structure and calculations of array impedances versus operating frequencies. in the dissertation, the author ' s major contributions are as follows : a new types of array structure, known as circular reflection array, is proposed and studied. a detailed analysis to the new structure with two cases is presented

    本文緊密結合「十五」國防預研「軟體線電天線」和海軍預研「智能天線在艦艇上的應用」及「機微帶天線」等項目,著重對智能天線陣列的陣列單元、陣列結構、陣列阻抗的頻率計算等技術進行了分析和研究,所取得的主要成果如下: 1
  18. Server workload patterns usually show specific spikes and if you can find servers that spike at very different times of day, although average workload would suggest their workloads could not be combined, more sophisticated analysis would suggest they can

    服務器負曲線通常會顯示具體峰值,假定要合併的服務器24小時內是在不同時間出現負峰值,那麼即便平均負顯示它們法進行負合併,但如果進行更細致的分析,將有可能發現負合併是可行的。
  19. Driving elements of fin stabilizer are designed and the simulation about characteristics of surplus force, loading system with or without disturbance, static or dynamic state is done. the relationship between the dynamic characteristics of servo valve and loading system " s control performance, loading gradient and loading system " s control performance is analyzed

    設計了減搖鰭電液負模擬臺動力元件,利用相關軟體對加系統多餘力、有擾及、動態及靜態等控制能進行了模擬分析,並分析了加梯度、伺服閥動態與加系統控制能之間的關系。
  20. That is, through analysis of the principle on flow control and " hydraulic transistor ", design and calculation of flow control characteristic as well as main parts in valve inner chamber, a piloted reducing valve will be installed between main valve and pilot valve. after a pressure - difference compensating reducing valve was added in the non - pressure compensating piloted reducing valve of the flow control valve in vlalvistor valve, the calculation on control characteristic emulation and load characteristic emulation has been carried out. the result of the calculation shows that after pressure compensating reducing valve was added, the linearity of the control characteristics has been greatly improved thus eliminating influence upon outlet flow by load pressure - change of the hydraulic system and improving performance characteristics of the hydraulic component

    文章還在對瑞典valvistor閥的插裝比例閥研究的基礎上,提出了一種新的流量控制原理,即:通過對流量控制和「液壓晶體管」原理的分析、流量控制及閥內腔主要結構件的設計計算,在主閥和導閥之間增設先導減壓閥,並進一步對valvistor閥的流量控制閥之壓力補償先導減壓閥、加入壓差補償減壓閥后的控制進行了模擬計算和負模擬計算,結果表明:增設壓力補償先導增壓閥后,其控制曲線變得非常線,從而消除了液壓系統負壓力變化對主閥輸出流量的影響。
分享友人