varying load 中文意思是什麼
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The mass of the slab have diseases in varying degrees by investigation, so the problem faced us is to strengthen and remake the slab. in addition, the slab will be used in underdeveloped region of our country. therefore, it is very important to evaluate the load bearing capacity of slab with slightly curved bottom
微彎板在橋梁中使用已有三十多年，在調查中發現大多微彎板都存有不同程度的病害，也就面臨著對舊橋微彎板的加固改造的問題；另外，在我國某些經濟尚不發達地區的橋梁建設中仍在採用，因此，對微彎板的承載力的正確評定也顯得十分重要。 -
Win300 service lift, also named dumbwaiter lift, has a load varying from 100kg to 250kg. the car, door and controller of the service lift are made of stainless steel, equipped with deluxe doorjamb for a beautiful and clean appearance. electric parts are under the safe and reliable plc control and convenient and quik external control mode. it is the best tool to send food and table wares for hotel and restaurant
電梯的轎廂層門操縱盤等全部採用不銹鋼製作。配以豪華的大門套，外觀清潔美觀。電氣採用plc控制，安全可靠，採用方便快捷的外控操縱方式，是賓館酒店運送食物餐具等的最好工具。 -
The method that discussed here is also suitable for joist floors. the theory basis is applied for understanding the inner load, displacement, and its varying regulation of the structure
所述方法基本也適用於密肋樓蓋，也為深入理解該類結構的內力、位移及其變化規律提供了一些理論依據。 -
The combustion - optimizing and automatic control system is being adopted on boiler no. 2 in jiaozuo power plant, successfully realizing the combustion optimizing control of said boiler under constant load and varying load conditions, the on - line combustion debugging test, and the monitoring analysis of operation economic behavior, making the said boiler always to be safe operation with highest efficiency, enhancing averagely the boiler efficiency to more than 0. 5 %, economic benefit being obvious
摘要焦作電廠2號爐採用燃燒優化與自動控制系統，成功地實現了鍋爐定負荷和變負荷過程的燃燒優化控制、鍋爐在線燃燒調整試驗和運行經濟監測分析，使鍋爐時刻在最高效率下安全運行，鍋爐效率平均提高0 . 5 %以上，經濟效益顯著。 -
According to our experimental investigations of varying load amplitude, it was found that the phenomena of fatigue crack growth retardation occurred for pmma material following a high overload cycle exerted among the regular constant amplitude load cycles, the ratio of peak value of overload to that of the regular cycles should be over at least 1. 35 to make the retardation taking effect. the experiment scheme for measuring the shutting - off ratio of overload ( defined as the overload ratio when da / dn < 10 - 7 / cyc. )
本文試驗分析了變幅載荷對裂紋擴展的影響，證實了有機玻璃也存在超載遲滯現象，通過金相觀察分析，提出超載遲滯的過程實際上是裂紋前緣萌生新的裂紋的過程的觀點，同時提出超載遲滯的合理的解析，並且給出超載遲滯比，為隨機載荷下疲勞擴展模型的建立提供了一個重要的參數。 -
There are many plants that have the character of time - varying, large delay, large inertia in the process of production of modern power station such as the superheated steam temperature, the reheated steam temperature, the water treatment of boiler and the load regulation. some of them have the strong character of nonlinear and some of them are multivariable coupling systems it is very difficult to obtain good effect of control by conventional pid control. it is necessary to set up the mathematics models of controlled plants if applying control means of modern control theory such as self - adaptive control, optimal control ， decoupling control and predictive control. and these control systems have large calculation and bad character of real time in general. these disadvantages make them be not able to meet the need of real production process and limit the application of them in modern power station. now the generator units are developing towards large capacity and high parameters. many new kinds of generating electricity means are coming into being. the characers of production units of power station become more and more complex but the demand to quality of control becomes more and more strict. the new control means are in bad need to control them effectively
現代電站的生產過程中存在過熱汽溫、再熱汽溫、鍋爐水處理、負荷調節等許多大遲延、大滯后、特性時變的對象，它們中有些還是具有強非線性特性的對象或多變量耦合系統，採用常規的pid控制手段很難取得良好的控制效果。若應用現代控制理論中的自適應控制、最優控制、解耦控制、預測控制等控制手段，則需要建立被控對象的數學模型，而且往往控制系統的計算量大、實時性差。這些缺點使其很難滿足實際生產過程的需要從而極大地限制了其在現代電站中的應用。 -
8. a pulsating torque minimization approach based on disturbance observer is proposed. the new disturbance observer is designed to observe the unknown torque disturbance caused by the torque ripple, the varying of the motor parameters, the changing of load torque and the not ideal performance of the inverter
該系統將負載轉矩、轉矩紋波以及由電機參數的變化引起的轉矩干擾作為系統干擾，用干擾觀測器進行觀測，以此為基礎對轉矩脈動進行補償，實現對轉矩脈動的抑制。 -
Single exponent smoothness model fully embodies the characters of trend and cycle of the continuous varying power load, but it can not think about the effect of the weather elements carefully
一次指數平滑模型充分體現了負荷連續變化的趨勢性和周期性，但是沒有詳細考慮天氣因素對負荷的影響。 -
The simulation results indicate that the algorithm is suitable for the speed regulation of srm. within a wide speed range the system has a good regulation character and a high precision of steady state, also the system can well constrain the disturbance of the load torque varying
模擬結果表明，採用本演算法構成的sr電機凋速系統在整個調速范圍內具有良好的調節性能及穩態精度，對負載轉矩的變化造成的擾動輸入能夠很好的加以抑制。 -
9. a fuzzy reasoning controller is designed to improve the performance of the mentioned disturbance observer. as the motor speed and load torque varying, the parameter of the disturbance observer can be changed by the fuzzy controller based on experiences. the pulsating torque can be compensated more strictly in a extended range
9 、對基於干擾觀測器的轉矩脈動控制系統進行了改進，設計了一種模糊推理控制器，根據電機速度和負載轉矩的變化調整干擾觀測器的增益，保證了轉矩脈動控制系統的控制精度，並擴大了其運行范圍。 -
But due to the complexity of factors influencing fatigue performance, such as wave load and pressure from cargo, the combination of different stress components, stress concentration of local structure details, mean stress and the corrosive environments, etc, there are different specifications with varying classification societies, so it will lead to the diversity of results from different fatigue assessment methods
但是，由於影響結構疲勞性能的因素十分復雜，如波浪載荷和局部的貨物壓力，各種應力成分的組合，結構的局部細節應力集中，平均應力的影響，結構分身所處的腐蝕環境等等，所以各個船級社有關的規定也不一樣，這樣必然造成各個評估方法之間的差異。 -
Main content of " hef ( high efficient firewall ) firewall realize mode study " have : ( 1 ) emulation experiment and ipv6 / tunnelbroker model set up through transproxy, explain transproxy method, improved structure of rfc3053 emphatically, act for technology about solution of efficiency, make their suitable for different need of isp of scale ; ( 2 ) on the basis of analysing ipsec agreement security question, to isakmpsa varying load attacks and improves in consulting, carry on form analyses, proved, design vpn high - efficient safe model based on ip / ipsec concept finally ; ( 3 ) on the basis of ids dynamic characteristic of system, for remedy firewall static deficiency of defence, design one method that the two combine, offer a good foundation for high - efficient online security system ; ( 4 ) through theory design and emulation experiment, the above - mentioned three part can make and imbed fire wall of the system for module, offer certain theoretical foundation to domestic fire wall design of product
《 hef （ highefficientfirewall ）防火墻實現模式研究》的主要內容有： （ 1 ）通過transproxy模擬實驗及ipv6 / tunnelbroker模型建立，著重闡述transproxy方法、改進的rfc3053的結構，以及代理技術中有關效率的解決方案，使之適用於不同規模的isp的需要； （ 2 ）在分析ipsec協議安全性問題基礎上，針對isakmpsa協商中的變換載荷攻擊做出改進，並進行形式化分析、論證，最終設計出基於ip / ipsec概念的vpn高效安全模型： （ 3 ）基於ids系統的動態特性，為彌補防火墻靜態防禦的不足，設計出兩者聯動的方法，探索了高效網路安全體系模式研究的新方向； （ 4 ） hef防火墻實現模式的理論研究及模擬實驗，所得三部分研究結論均可設計出module ，內嵌入防火墻系統中，為國內防火墻產品的設計提供了一定的理論基礎。 -
The high - inertia time - varying load pump - control - motor hydraulic test system based on computer control
基於計算機控制的大慣量時變負載泵控馬達液壓試驗系統 -
The shape and distribution of inner stress of optical elements will vary in the space circumstances or other special operation conditions ， which will influence its optical characteristicdramatically. in this paper, the influence of the inertial load aroused by the large acceleration has been performed ; the effects of the varying circumstance temperature on the optical element have beenstudied preliminarily by use of finite element method
航天及其它特殊領域的工作環境，會使光學元件的形狀及內部應力發生變化，進而對其光學特性產生明顯的影響.本文運用有限元法，在考慮大加速度引起的慣性載荷的影響的同時，對不同環境溫度下元件形狀及內部應力的變化亦作了初步的研究 -
Based on the experiment investigation, the law varying with wind directions of three dimensional wind load spectrum and its mechanism are analyzed, and some conclusions are obtained
得到三維風荷載譜隨風向角的變化規律及其產生機理，進而做出了若干結論。 -
This paper adopts sequential monte carlo simulation technique and time - varying load model to assess multi - fault reliability of typical distribution network considering line capacitance constraint and power flow of distribution system
本文在考慮線路容量約束和潮流分佈的條件下，採用序貫蒙特卡羅模擬和全年時變負荷模型評估典型配電網多重故障模式的可靠性。 -
Uniformly varying load
均勻變負載 -
The project is completed in the collaboration of the transportation college of jilin university and transportation science institute in jilin province. the paper mainly studies the characteristics and mechanical performance of small size member of bridge, the problems of concrete dense degree and shear lag effect of wide flange. the static load test and supersonic nondestructive test of four pieces of prestressed i - girder with varying section are carried out in bridge structure laboratory of jilin university
本文針對橋梁構件局部尺寸較小部位的混凝土密實度問題，進行了2片腹板寬度為14cm ， 2片腹板寬度為16cm的變截面預應力工字梁的靜載試驗和超聲無損檢測試驗，提出密實度系數的概念，對試驗梁的密實度進行定量評定，推導了工字梁的塑性系數公式，基於塑性理論給出了試驗梁的開裂荷載和極限承載能力計算公式，分析了試驗梁的密實度對其開裂荷載和極限承載能力的影響。 -
At the same time, the operating intensity of boiler operators during the time of varying the unit ' s load is greatly elleviated, enhancing the automatization level of boiler operation
同時，大大降低了鍋爐運行人員在機組變負荷時的操作強度，提高了鍋爐運行的自動化水平。
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