load rate 中文意思是什麼
load rate
解釋
單位載荷-
The scale effects due to unsimilar bed risistance is discussed in detail, and the correct way of scour depth is supposed. at last, a new transport rate formulas of uniform or nonuniform bed load is given
本文還對由於阻力不相似而引起的比尺效應進行了較詳細的討論，從理論上給出了沖刷深度比尺效應的修正方法及新的均勻、非均勻推移質輸沙率的計算公式。 -
Procreant knowledge expression and forward inference engine are adopted in the method of fault diagnosis based on expert system theory. in the fault diagnosis applying neural network theory, six kinds of improved arithmetic of back - propagation arithmetic, including gradient descent with momentum, variable learning rate back - propagation, resilient back - propagation, quasi - newton, levenberg - marquardt and conjugate gradient, are applied to diagnose the faults of electric load manage center and solid state power controller. different diagnostic results gotten by simulation are compared at last
在基於專家系統的故障診斷方法中，採用了產生式知識表達和正向推理機制；在基於神經網路的故障診斷方法中，則分別採用了bp神經網路的附加動量法、自適應學習速率、彈性bp演算法、擬牛頓法、共軛梯度法和levenberg - marquardt法對電氣負載管理中心和固態功率控制器的故障進行診斷，並對由模擬得到的不同診斷結果進行比較。 -
The hydrodynamic propulsor takes drill fluid as power source, with the aid of the axial load produced by the pressure drop of the bit nozzle, makes the axial force act on the bit to produce wob, making up for the insufficient wob, ensuring the bit feeding smoothly and improving the penetration rate
這種推進器以鉆井液為動力源，藉助鉆頭噴嘴壓降產生的軸向載荷，使軸向力直接作用於鉆頭產生鉆壓，彌補有效鉆壓不足，保證鉆頭平穩鉆進，提高機械鉆速。 -
Abstract : experiments were made on a ultrasonic machining tool with work - piece adhered to ultrasonic transducer head, to machine micro - holes on hard and brittle materials such as soda glass and si, to study the effects of tool materials ， work - piece materials ， amplitude ， machining load ， slurry concentration ， tool length and the size of work - piece on machining rate and wear ratio. in this experiment, the micro - tool was made through wedg
文摘:通過以wedg放電加工手段製作微細超聲加工用工具，在採用工件加振方式的微細超聲加工機上對碳酸玻璃、半導體硅等硬脆材料試件進行微孔加工的實驗，來探討在某一特定加工條件下工具材料、工件材料、工件的振幅、加工靜載荷、磨料懸浮液濃度、工具長度及工件尺寸等重要因素對加工速度、工具損耗率的影響，為微細超聲加工技術的實用化提供參考依據。 -
The method for measuring the plane strain fracture toughness klc has been introduce to high polymer bonded explosives ( pbx ) by systematically studying technologies concerning the shape of specimen, the depth and its machining of crack, the loading rate, the measurement of critical fracture load, and the computation of klc, etc. the method has been used to test and study klc of three typical high polymer bonded explosives which are j2, jl, j3 respectively both at normal temperature and unmoral temperature
本文以高聚物粘結炸藥為研究對象，對測試高聚物粘結炸藥的平面應變斷裂韌度所涉及的樣品形狀、裂紋深度及裂紋制備、加載速度、臨界斷裂載荷p _ q的確定及平面應變斷裂韌度k _ （ ic ）的計算等方面進行深入研究，建立了較為完善的炸藥平面應變斷裂韌度測試方法。 -
The theory of minimum entropy production or minimum rate of energy dissipation shows that a river is stable when it is in a relative equilibrium condition. ( 3 ) the river facies formulas of alluvial river have been developed using the theory of minimum rate of energy dissipation together with flow continuity and motion equations, suspended load transport or bed load transport equation. ( 4 ) the causes of the river patterns are explained using the theory of minimum rate of energy dissipation
（ 3 ）基於最小能耗率原理，以水流能耗率作為目標函數，以水流連續方程、水流運動方程及懸移質挾沙力公式或推移質輸沙率公式作為約束條件，通過對目標函數求條件極值，分別推導出以懸移質造床為主的顯式河相關系式和以推移質造床為主的顯式河相關系式。 -
However, according to ann ' s theory, making use of visual basic development tool, friendly - interface single output three layers " artificial neural network generator base on improved bp algorithm has been developed by the author, and after constructing the model, the value of d _ ( cmax ), finally the gross bed - load transport rate of non - uniform sediment with a wide distribution in flume experiment of stead sediment transportation have been forecasted
筆者採用的途徑則是根據人工神經網路理論，利用vb開發出界面友好、基於改進bp演算法的多輸入單輸出三層神經網路生成器軟體，並採用該生成器建模，對平衡輸沙狀態下的水槽輸沙試驗的d _ （ cmax ）和總輸沙率進行預測計算。 -
The main purpose of this paper is to study crack growth rate of a class of nonlinear viscoelastic materials under the condition of constant load and small - strain. in this paper : the new test program is raised by referencing the existing test programs and by our trial and error ; in the new test program, facilities involved in the nonlinear viscoelastic crack tests are relatively few, the test process is relatively simple and the data obtained from the experiments are credible. on this basic, the calculation of j integral of nonlinear viscoelastic double cantilever beams specimens and the parameter of fracture work of corresponding nonlinear viscoelasticity are derived
具體成果包括： 1 、證實了雙懸臂梁試件用於非線性粘彈性裂紋擴展實驗研究的優點：雙懸臂梁試件在實驗中能觀測到的擴展過程持續時間比較長，在計算j積分時，計算方法簡單； 2 、得到了改性聚丙烯材料用於非線性粘彈性裂紋擴展實驗的兩種有效的試件構形和相應的試件尺寸；採用不斷改善夾具的方法使得加載穩定； 3 、經過連續四個多月的時間得到了一組有用的實驗數據； 4 、得到了裂紋長度與時間的關系、裂紋擴展速度與時間的關系、裂紋擴展速度與裂紋長度的關系。 -
It ' s the first time to explore the combustion characteristics of lpg / diesel mixing fuel engine, and find that, with the change of load and rotation, the changing trend of the ignition delay period of e10 mixing fuel is almost as identical as that of the diesel, but that of e30 mixing fuel is very different. comparing with diesel, the combustion of e10 is improved slightly, but that of e30 greatly changes ; the maximum eruptive pressure decreases ; the maximum pressure increase rate decreases ; the highest releasing heat rate increases ; the highest combustion temperature falls ; the ignition delay period extends
結果表明: e10混合燃料與柴油的著火滯燃期隨負荷和轉速的變化趨勢基本一致; e30混合燃料與柴油則有所不同; eio混合燃料發動機的燃燒與純柴油相比，略有改善; e30混合燃料的燃燒特性發生明顯的變化，最高爆發壓力下降，最大壓力升高率減小，最大燃燒放熱率增大，最高燃燒溫度下降，滯燃期延長。 -
Taking load uncertainties, infeasibility problem and multiple objection of the reactive power optimization in the radial distribution system into consideration, loads are modeled as fuzzy interval numbers. fuzzy power flow is proposed based on fuzzy interval load for the more practical membership function of line losses rate and maximal voltages offset. this thesis presents multiple objection model of the reactive power optimization considering uncertainties using the fuzzy set theory
對配電網電壓無功優化問題中負荷的非概率性的不確定性問題、多目標問題、約束不可行性問題進行了研究，用模糊區間來描述實際的負荷情況，並用負荷的模糊區間值計算配電網的潮流，得到有功功率損耗和電壓的模糊區間值，使網損率和節點電壓最大偏移量的隸屬函數更接近實際情況；將改進遺傳演算法與模糊集理論相結合，通過求解多目標函數和約束條件的模糊集合的交集，得出網損率和節點電壓最大偏移量最小的最優運行狀態。 -
This project makes some researches with emphasis on the mv / lv distribution power supply situation under the present load condition. some results such as the calculation of line load rate, theoretical line consumption rate and electric voltage decrease are acquired by the mathematical analysis, and thus the power supply capability is evaluated comprehensively. the same has been done to the lv power network
課題在系統搜集分析蘇州供電企業的背景資料，即企業概況、電力需求、輸電網、高壓配電網狀況基礎上，重點研究了當前負荷下的中低壓配電網供電情況，並通過數學分析得出線路的負載率的計算、理論線損率以及電壓降等各項運行指標，綜合評估得出其供電能力。 -
In this dissertation, the beijing downtown area distribution system capability is evaiuated based on fuzzy theory according to the present condition of beijing distribution system. factors considered in this dissertation affecting the capability are including as follows : feeder load rate, voltage offset, network 1oss and n - l analysis. the load allocation in beijing distribution system of downtown area is got, and conclusion of the whole fuzzy distribution capability is reached
本論文根據北京城區配電供電網現狀，應用模糊數學的方法，對影響配電網的供電能力的各個因素：線路負載率、電壓偏移、網損和n - 1校驗分析進行了評估，得到了北京城區配電網的負荷分佈情況和整個北京城區配電網供電能力的模糊水平。 -
The autor thought that for the main transformer, the load rate should be increased above 85 % ; and for the distributor transformers set with the electrial room, according to efficiency first principle, the load rate should be control at 40 % ~ 60 %
作者認為：主變壓器設計選擇時，應考慮提高其負荷率達85 %以上；電氣室配電變壓器選擇時，應按效率優先原則為主，其負荷率控制在40 % ~ 60 %之間。 -
The inverted pwm changing electric current the technique is applied in the prototype model. the prototype model was tested and operated on spot, power factor could reach beyond 0. 95, the effect of following modulating voltage was better, the curve of factor of modulated voltage of exchanging systems changed following load rate was linear, the output of wave form was a flat and steady sinusoidal wave
樣機採用了逆變式pwm變流技術，對其進行了現場測試與試運行，測試結果是電網側的功率因數可達0 . 95以上，跟蹤調壓效果良好，變流系統輸出調壓系數（ k ）隨負載率（ p ）的變化曲線基本滿足直線關系，輸出波形呈平滑穩定的正弦波。 -
Load rate of plant
設備負荷率 -
The results show that under the new power supply scheme, load rate of equipments, power factor of supply system and supply efficiency of system all have been greatly improved
在新供電方案下，油田電網的設備負荷率、系統功率因數、供電效率都得到很大提高。 -
Early exploited oilfields mostly adopt the power supply mode of single well & single transformer & single asynchronous motor, which causes that the load rate of equipments in oilfield network is low, the power factor of oilfield network is lower and the energy loss of oilfield network is bigger
摘要早期開發的油田多採用「單井單變壓器單異步電動機」供電模式，造成油田電網的設備負荷率和系統功率因數過低，電網耗能較大。 -
Based on the further study of dynamic characteristic of the tractor - implement combination, according to the integrated control model, which including the flowing three parameters : the engine load rate, drive wheel slip and work resistance, and the three control strategies, which are : highest production efficiency control strategy, oil consume economic control strategy and give attention to the above control strategy, we can adopt different control strategies according to different purpose of the task. applying the theory of the hybrid dynamic system to this case, the three control strategies can be abstracted to three discrete matters, and then the exchange model of the discrete matters of the top layer ( which called manage layer ) of the tractor - implement combination and the function decision model, which based on the nerve network, can be established. through this way, the best ad aptive controlling of the tractor came true
本文研究了拖拉機機組的綜合控制問題及其最佳匹配方法，在深入研究機組動態特性的基礎上，根據發動機負荷率、驅動輪滑轉率和作業阻力三參數的綜合綜合控制模型以及三種綜合控制策略（最高生產效率的控制策略、燃油經濟性的控制策略和兼顧最高生產效率及燃油經濟性的控制策略） ，針對不同的作業目的，採用不同的控制策略，應用混雜動態系統理論，把三種控制策略抽象為三種離散事件，建立了拖拉機機組上層（管理層）離散事件切換模型，並建立了基於神經網路的功能決策層模型，從而實現了拖拉機機組的整機最優控制。 -
On the base of thoroughly studying dynamic characteristic of tractor - implement combination, a control project of three parameters was put forward in the paper. the three parameters were engine load rate, drive wheel slip and work resistance. an integrated control model based on three parameters was established, which reflects colligated dynamic character of the unit
拖拉機作業機組中，很多參數存在著耦合作用，給綜合控制帶來一定的難度，本文在深入研究機組動態特性的基礎上，提出了發動機負荷率、驅動輪滑轉率和作業阻力三參數的綜合控制方案，它反映了機組的綜合動態特徵，並建立了基於這三參數的綜合控制模型。 -
Seller ' s market is transiting to buyer ' s market. by sep. 1998, buyer ' s market has completely formed ; the average load rate of the power system is declining, and difference between apex and vale is becoming larger and larger ; power consumption increase rate in industry is dropping, and it is far lower than that of society power consumption
分析表明：從1997年開始，重慶電力資源短缺狀況得到緩解，供需基本平衡，具備逐漸由賣方市場過渡到買方市場的徵候，到98年的9月已完全形成買方市場；重慶電網年平均負荷率逐年下降，峰谷差逐年加大；工業用電量持續下降，且其增長速度遠低於全社會用電量的增長速度，佔全社會用電量的比例逐年下降。
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