負荷變動 的英文怎麼說
中文拼音 [fùhébiàndòng]
負荷變動
英文
load change-
Subjects of two groups executed an same incremental ergometer exercise up to exhaustion. after exercise, compared with the natural recovery in the control group, somin hyperoxia ( 70 % oxygen ) was given to the experiment group
20名體育學院健康男生隨機分為兩組（吸氧組和對照組） ，實驗要求全體受試者完成一次性遞增負荷運動，運動至力竭，觀察運動即刻和恢復期各指標的變化情況。The correlation of serum mda and la with these parameters were analyzed so as to observe the tendency of immune alteration after acute incremental exercise and to understand if hyperoxia intake is helpful to accelerate recovery rate of exercise - induced fatigue
並且將急性遞增負荷運動后血清mda和血乳酸的變化與免疫指標的變化進行相關性分析，以探討這種運動條件下免疫機能應答變化和恢復變化的可能機理。Otherwise, rbc - icr showed a continuous fall somin and 24 hours after exercise, and returned to pre - exercise level 24 hours later. it indicated that the erythrocyte immune function showed an enhanced state somin after exercise and had basically restored 24 hours after exercise
急性遞增負荷運動恢復期機體免疫機能的變化規律如下：運動后恢復30分鐘時，紅細胞免疫功能增強，免疫抑制解除，紅細胞免疫粘附活性高於安靜值， 24小時后恢復正常。The heat coefficient changing of the heater and reheat ; c. the leakage test of the working substance ; d. the damage test for the heat pipes of the radiator, were taken
分析了穩態參數，完成了：吸熱器熱負荷擾動試驗、吸熱器及回熱器換熱系數變化試驗、工質泄漏試驗、輻射器熱管損壞試驗等多個模擬實驗。Finally, we can not use electric power but the engine of bus or subsidiary engine to drive air compressors of bus air conditions. because the change range of turnaround speed of engine is very wide, that brings difficulties in controlling the rate of flow of cold - producing medium. in the control of bus air - conditions, preventing evaporator from freezing to make the air - conditions work with high efficiency and controlling the temperature of railway carriage are the basic tasks in air - condition control
與一般的建築空調相比，汽車空調的工作環境惡劣，條件差，控制難度要增加很多，主要體現在以下幾個方面：一是車外熱負荷變化大，難以確定控制參數；二是要求空調負荷大，而且要控制空調使其降溫迅速：三，不便於用電力作為動力源，必須用汽車發動機或輔助發動機來帶動壓縮機，當採用汽車發動機作為動力源時，由於汽車的車速變化大，發動機轉速的變化可從600r min到4000r min ，壓縮機轉速與發動機轉速成正比，其轉速變化高達7倍，給空調系統製冷劑流量控制帶來困難。Abstract : the air / fuel ratio control scheme in common use of boiler auto - burning system is introduced summary. two kinds of scheme improved to obtain the best air / fuel ratio and to raise dynamic characteristic are analyzed in particular. further how to correct measures on air / fuel ratio when changing boiler load and fuel composition is proposed and analyzed
文摘:對鍋爐自動燃燒系統中空氣/燃料比控制的常用方案進行了簡要介紹，著重分析了兩種為獲取最佳空氣/燃料比和提高控制系統動態特性而採取的改進方案，並針對鍋爐負荷變化和燃料特性改變對燃燒狀況的影響，進一步對空氣/燃料比的修正措施進行了分析與探討，提出了綜合修正方案。The main product instant no power but automatic compensating controlling device is especially applicable to the places, where the instant charge changes acutely and continually, and this product has got state patent and the quality and technical indexes are one - up level of our country in the same products, and it has been recognized as energy - economizing product by china energy - economizing association and it has won the award of excellent technological product of international technology management association and it has been added to 1 net of china petroleum energy
主要產品瞬時無功功率自動補償控制裝置，特別適用於瞬時負荷變化大而頻繁的用電場所，該產品已獲國家專利，在同類產品中質量及技術指標處于國內領先水平，被中國節能協會認證為「節能適用產品」 ，榮獲國際科技管理協會「優秀科技產品」獎，已加入中國石油能源一號網。Because of the randomness, the periodicity and the impact property of load changes, the short - range electric load forecasting accuracy is related to the pre - processing of original data, the load forecasting model, the sudden change of climate etc. without an appropriate mathematical model, it is difficult to meet the demand of farecasting accuracy by using computer software
短期電力負荷預報的準確度與原始數據的預處理、負荷特性、預報模型、氣候突變等因素有關，因為負荷變動具有隨機性、周期性和沖擊性的特性，如果不採用恰當的數學模型，利用計算機軟體技術就難以滿足預報準確度要求。Many uncertainties such as power supply and fluctuating load still exist even if a certain transmission network structure has set up in planning period
在電網規劃階段，網架結構確定之後，還存在著諸如電源出力和負荷變動等不確定因素。The force transducers with a nominal load of 5kn and an overload withstand capability of up to 10kn, are designed with dynamic fatigue strength for several million load alterations
額定負載為5 kn ，超載負荷能力最大為10 kn ，具有動態疲勞強度設計的力傳感器要可以承受多達幾百萬次的負荷變化。Feather and down - determination of the permanent deformation after dynamic fatigue stress under constant load
羽毛和絨毛.固定負荷下動態疲勞應力永久變形的測定The operational characteristics with the different operational parameters, with different terminal cooling load of air conditioning system, with different heat exchange characteristics between underground u - tube pipe loop and soil, etc. have been studied. the operational characteristics of gshps within starting period, normal period and the period of variable operation patterns under different seasonal conditions has also been studied
研究熱泵機組運行參數變化、空調末端負荷變化和地下埋管換熱器變化時土壤源熱泵系統的運行特性;開展不同季節和不同工況土壤源熱泵的啟動、正常和變工況運行特性的研究。This thesis analyzes the control principles of energy regulating ways in reefer units, compares the merits and demerits of these control methods in the outside working conditions of the changing burthen, and then puts forward the wvf, a entirely new energy saving regulative and control method. in addition, the thesis educes the heat response factors of container ' s round wall constructions by analyzing the dynamic heat transfer and adopting the method of heat response factors, and illustrates the refrigerated container ' s characteristics through an experiment on an empty refrigerated container
本文通過分析目前冷藏集裝箱的能量調節方式，比較了這些控制方式在箱外負荷變化的情況下的能量調節優缺點，在此基礎上提出全新的變頻能量調節控制方式：通過對冷藏箱圍壁結構的動態傳熱性能的分析和熱反應系數法的應用，得出了各圍壁結構的熱反應系數；通過冷藏箱空箱降溫實驗分析了製冷系統在空箱打冷時系統的特性。The rule for the determination of the optimal installation places is put forward with the consideration of reactive load changes. the method for reactive power optimal compensation based on the optimal incremental active loss is investigated in details. the impact of reactive power compensation on network voltages is discussed in the following
在無功優化方面，探討了無功補償裝置的最佳安裝地點，並給出了無功負荷變動情況下無功補償裝置最佳安裝地點的選擇原則，深入分析了按無功經濟當量的無功最優補償方法以及補償對配電網電壓的影響。The paper point outs that how to distinguish load oscillation and rotor bar faults is still the essential problem up to now, and a method based on wavelet transform to solve the problem is proposed
在電機轉子故障檢測中，診斷效果常受負荷波動的影響，本文提出了基於小波變換的負荷波動判定方法，它能明顯地區分出電機的轉子斷條與負荷波動，提高了轉子故障診斷的可靠性。In the modern power system, acute fluctuation of load lead to great difference of wave crest and trough, abundance non - linear load make severe aberrance of current and voltage wave. these factors make remarkable increase of error of energy metering and unrational billing
現代電力系統中，負荷波動劇烈使負荷峰谷差值很大，大量的非線性負荷使電流、電壓波形畸變嚴重，這些因素使電能計量誤差顯著增大，並使計費不合理。The powerful learning ability and nonlinear reflecting functions of the artificial neural networks can combine the weather factors, typical days and historical load data, but it is not good enough at the embodying continuous variance
神經網路模型有力的知識學習能力和非線性映射功能，將氣象因素、類型日及歷史負荷數據與負荷變化有機結合起來，但此模型對負荷變化的連續波動性體現不夠。The performance of the control systems of units directly influences the safety and economy of units
熱工控制系統的性能對機組運行的安全性和經濟性都有著直接的影響，尤其是對負荷變動較為頻繁的機組。Secondly, how to actualize economical operation of transformers in substations which load fluctuates frequently is analyzed. and the resolvent that the change time of operation mode of transformers in substations is confirm scientificly, according as the real - time data and the result of the short - term load forecasting, is bring forward
分析了負荷波動較大的變電站如何實現變壓器實時經濟運行，提出了以短期負荷預測的結果為參照，以實時數據為依據科學地確定變電站變壓器運行方式改變時機的解決辦法。This article has discussed the control problem in a distribution substation and on the distribution line respectively. reactive power / voltage control in a substation using general approach usually results in the voltage of the second side being too close to the boundary. it will make the ability of enduring the variation of load in a system decrease a lot and become the threat of the system
本文分別對配電系統中的變電站及配電線路的無功電壓優化控制問題進行了研究，採用常規方法進行變電站電壓無功控制時，往往使二次側電壓過于接近邊界而導致系統承受負荷波動的能力大大下降，成為系統安全運行的隱患。分享友人