預置性能 的英文怎麼說
中文拼音 [yùzhìxìngnéng]
預置性能
英文
roll forward facility-
In the investigations on laser cladding, experiments and analyses of laser clad nickel - based alloys and nickel - based ceramal composite alloys on steel substrates were performed to improve wear - resistance and corrosion - resistance properties of the coatings
以提高材料表面的耐磨、耐蝕等性能為目的，採用預置和送粉熔覆工藝方式，對常用的鎳基合金和鎳基碳化鎢金屬陶瓷合金塗層進行系統研究。To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering
為滿足建築物大空間和靈活隔斷要求，在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受力性能，得出了空腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際工程，進行了兩榀迭層空腹桁架轉換結構模型（ 1 : 8相似比）的豎向荷載下靜力試驗以及擬動力試驗.其中一榀為普通混凝土迭層空腹桁架，另一榀配置了預應力和鋼骨混凝土，對比分析了兩模型的層間位移比、骨架曲線以及等效粘質阻力系數等抗震性能的比較，並進行了彈塑性動力分析.試驗和分析結果表明，配置預應力和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震性能，可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題，最後對這類轉換層結構提出了相應的設計建議The dynamic adsorption apparatus was used to select adsorbents for pretreatment by utilizing fcc dry gas. experimental result shows that pericarp activated carbon made in chengde was more excellent
採用動態吸附實驗裝置以干氣為原料氣對預處理吸附劑進行了研究，發現承德果殼炭性能較好。A very important one is the intersystem prediction and analysis of electromagnetic compatibility to the radio systems in this electromagnetic environment. this paper presents research on the intersystem prediction and analysis of electromagnetic compatibility to the radio systems positioned by the geographical longitude and latitude coordinate system and the elevation system. it can give assistant solution to the interference among the radio systems so as to avoid functional degradation and even failure after the systems disposed and mounted and the money and time wasting
本文對處于陸上局部區域內的、以經緯度地理坐標系和高程系進行定位的無線電系統間的電磁兼容性預測進行了研究，以對系統間的相互干擾情況作出預測，給解決局部區域中無線電系統間相互干擾問題的方案提供支持，以避免在系統布置、安裝完成之後出現相互干擾情況而使系統性能下降，甚至失效，造成資金和時間的浪費。In rsdm, binary patterns are replaced by real - valued patterns, accordingly avoiding the coding process ; the outer learning rule is replaced by regression rule, therefore the model has not only the ability of pattern recognition but the ability of function approximation. the prearrangement of the address array bases on the distribution of patterns. if the distribution of patterns is uniform. then the address array is prearranged randomly, otherwise predisposed with the theory of genetic algorithm and the pruneing measure so as to indicate the distribution of patterns and improve the network performance. non - linear function approximation, time - series prediction and handwritten numeral recognition show that the modified model is effective and feasible
在rsdm中，以實值模式代替二值模式，避免了實值到二值的編碼過程：以回歸學習規則代替外積法，使該模型在具有識別能力的同時具有了對函數的逼近能力；地址矩陣的預置根據樣本的分佈採取不同方法，若樣本均勻分佈，則隨機預置，否則利用遺傳演算法的原理和消減措施來預置地址矩陣，使之反映樣本的分佈，改善網路的性能。The paper emphasesd on the following issues : integrating network topology automatic discovery and network performance monitoring into an uniform web environment via activex control technique. constructing a hierarchic network monitor system based on distributed data replication technology via sql server replication function. analysising the relation between network usability, error and discard rate consequently to find out a formula, which can be used to calculating the congestion likelihood and setting the threshold for alerting the congestion situation
論文重點論述了以下幾個問題：採用控制項技術，使網路性能監視、網路拓撲的自動發現集成在統一的web平臺上；運用sqlserver的復制功能，構造一種基於分佈數據復制技術的層次式網路監視系統；對網路利用率、出錯及丟棄百分比信息進行分析，找出它們在推算擁塞可能性時的量化公式，並應用於閥值設置，以實現對擁塞可能性進行預警；研究分析在不同范圍內的拓撲發現工具及演算法，並針對系統需求設計實現一種域內分級式網路拓撲發現演算法。Based on the green ' s formula and the assumption of the propeller blade ' s thin sections, a lifting - surface method of propellers with the vortex lattice and equal source panel distributions on the mean camber surface has been introduced for the prediction of steady propeller ' s hydrodynamics in this paper. an approximate kurta condition was applied
基於creen公式和薄翼理論假設導出的升力面方法，採用在螺旋槳拱弧面上分佈離散渦、源布置方法預報均勻流場中的螺旋槳的定常性能，螺旋槳尾渦面上壓力連續性條件採用近似的kutta條件處理。To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5
詳細分析了與rwa相關的光網路關鍵技術，包括傳輸、交換、組網等，重點研究了光交叉連接的功能和結構、性能，對其引入的串擾進行了詳細分析，選擇恰當的器件參數進行了數值模擬，並提出了抑制措施（如雙重濾波、優化判決門限、選擇恰當的復用波長數） ; 3 .研究了光網路的r認叭的基本原理、與r認叭的幾個相關問題（光網路類型、業務類型、流量類型、光網路生存性） 、 r認人演算法的分類和比較，具體研究了幾種動態r場人演算法; 4 .研究了以全光連接建立時間為優化目標的r認認演算法，提出預置光路的概念，對網路資源進行狀態分類（佔用、未佔用、預置） ，利用改進的r認叭演算法模擬，預置光路可為部分新到的連接請求快速建立連接，從而提高網路性能;研究了以多光纖網路連接阻塞率為優化目標的r認城演算法，提出了以節點度數、每個波長分層的空閑光纖數以及路由策略決定的幾種鏈路權重函數，利用基於波長分層圖模型的并行r場人演算法模擬，利用新的鏈路權重函數使得演算法具有更優的性能，使網路具有更低的連接阻塞率。Presents the system established by taking variable - speed torque converter with adjustable guide blades as a pilot control unit and forming an open or closed loop feedback control system, and its outstanding advantages, such as high capacity, simplicity, reliability and good transmission efficiency owned by hydrodynamic drive, and the dynamic model developed for variable - speed torque converter with adjustable guide blades by means of theoretical analysis and regression analysis of experimental data, and concluds that the model is sophisticated and simple enough to be used as a tool for design, analysis and computer simulation of a hydrodynamic control system
以導葉可調式液力變矩器作為控制單元組成的開環或閉環液力控制系統，具有液力傳動裝置能容大、系統簡單可靠、傳動效率較高等顯著的優點.通過理論分析和試驗數據的回歸分析方法建立了導葉可調式液力變矩器的數學模型，模型既簡單，又有足夠的工程應用精度，為液力控制系統的設計、動態分析和性能預測提供了必要的理論基礎Abstract : aimed at the accident of chatching fire of a certain type of self - propelled antitank gun s chamber, the paper analyses the normal burning of powder and the efficiency of the gun s extracting device and other factors affecting the burning velocity, makes an improvement on the weapon system, and puts forward the requirements for using the gun under army conditions
文摘:針對某型自行火炮實彈射擊中戰斗室彈藥倉內半可燃藥筒起火燃燒事故，通過對可燃藥筒完全燃燒的理論分析和火炮抽氣裝置結構效率分析以及可能影響藥筒燃燒速度的其他因素分析，提出武器系統及可燃藥筒改進意見，並對部隊條件下的使用提出了要求，對改善裝備性能，預防事故發生具有重要意義。A new method is put forward on thermodynamics combustion model to make imitating research on egr - a software is made to calculate the amount of no from the gasoline by connecting with the practical condition in our country, starting with thermodynamics and experiment at the same time make a system research to influence by the exhaust gas returning system on the gasoline, such as exhaust gas, fuel economy, and power, finally a new thought is afforded for optimizing all the egr parameter in chapter 6
第五章採用上述診斷和預測模型對bj492q發動機進行了模擬計算和實驗研究，並探討了點火提前角、殘余廢氣系數、燃空比、壓縮比和火花塞位置對發動機性能的影響。第六章提出了基於熱力學燃燒模型對egr進行數值模擬的方法，系統地研究了車用汽油機加裝egr系統后對排放、油耗、功率的影響，並結合排放標準。提出了egr參數的全局優化的新思路。Global maritime distress and safety system - part 6 : narrowband direct - printing telegraph equipment for the reception of navigational and meteorological warnings and urgent information to ships navtex - operational and performance requirements, methods of testing and required test results
海上呼救和安全裝置.第6部分:船用船海，氣象預報和應急信息接收窄帶直接列印電報設備.操作和性能要求，試驗方法和結果So it is sure that the electrical quantity transducer calibration device with high performance - price - ratio will bring fresh vigor to the design, production and market of the related industry
可以預見，具備優異性能價格比的智能電量變送器校準裝置，將給本行業的設計、生產和市場競爭注入巨大的活力。In this paper, we derive predictive models of system and auxiliary system from double constant alterations respectively. the controller based on d - step ahead predictor can locate the closed loop poles at desired positions, whose parameters are adjusted by estimations of plant parameters that are separately estimated. an auxiliary estimator is developed to avoid ill - condition in solving diophantine equation. simulations show that these control systems have better dynamic responses under existence of measurable disturbance
引入雙恆等變換推導出系統及輔助系統的的d步預測模型，基於估計器的自校正控制器能將閉環極點配置在所希望的位置，它的參數是由與其相互獨立的對象參數調節.提出使用輔助估計器克服丟番方程的病態問題.模擬表明在存在可測干擾的情況下該系統具有良好的動態性能Abstract : in this paper, we derive predictive models of system and auxiliary system from double constant alterations respectively. the controller based on d - step ahead predictor can locate the closed loop poles at desired positions, whose parameters are adjusted by estimations of plant parameters that are separately estimated. an auxiliary estimator is developed to avoid ill - condition in solving diophantine equation. simulations show that these control systems have better dynamic responses under existence of measurable disturbance
文摘:引入雙恆等變換推導出系統及輔助系統的的d步預測模型，基於估計器的自校正控制器能將閉環極點配置在所希望的位置，它的參數是由與其相互獨立的對象參數調節.提出使用輔助估計器克服丟番方程的病態問題.模擬表明在存在可測干擾的情況下該系統具有良好的動態性能This paper presents an investigation on a new type of rubber damper, that is, a rubber damper with honeycomb structure. the honeycomb structure will enhance the energy dissipation of a rubber damper and as a result increase the damping of the damper. the performances of honeycomb dampers are experimentally tested by a test rig. the results show that the diameter and the density of holes of the honeycomb structure are important parameters in the design of the damper. for a damper of given size, there are optimum values of both parameters with which the damper provides highest damping. additionally the honeycomb structure does not change the correlation of damping to frequency. a practical honeycomb damper is designe d and applied to inlet pipe of a screw compressor in a petroleum factory for vibration reduction. the vibration of the pipe is obviously suppressed by the damper, at least 25 %
本文採用理論分析和實驗相結合的方法，研究了蜂窩孔這種結構因素對橡膠阻尼材料阻尼性能的影響。在自行設計、製作的懸臂式阻尼測試實驗裝置上，對蜂窩式橡膠阻尼器的阻尼性能進行了大量的實驗測試，初步找出了蜂窩孔孔徑、孔數以及預壓縮量等因素與阻尼器阻尼性能的關系。本文利用實驗研究的結論，設計了一種專用的蜂窩式橡膠阻尼器，並應用於某廠螺桿壓縮機進口管道的減振，取得了明顯的減振效果。The experimental result indicate that the working characters of the test floor slab is typically two - way obviously, the floor slab that is reinforced two - way by setting transverse steels through the rectangular cores in the ribs of the precast slabs, has excellent bulking property, high bearing capacity, cracking resistance and so on
試驗研究表明，試驗樓蓋在加載過程中呈現了明顯的雙向受力特徵; pk預應力疊合樓蓋通過在預制構件板肋預留長方形孔穿置橫向鋼筋實現雙向配筋具有良好的整體性能，還具備承載力高和抗裂性能良好等特點。Chem - pure npp and npvdf valves are not usually specified with epdm diaphragms. however, they can be field fabricated by purchasing an epdm diaphragm for replacement in a ptfe trimmed valve
在製造期間，閥體上的法蘭的隔膜密封表面可以進行特別的預制，以強化聚四氟乙烯隔膜的密封性能。對于配置橡膠隔膜的閥體並進行這道最後的工序。因此，聚四氟乙烯隔膜無法替換配置三元乙丙橡膠閥內件的閥門。The comparision of the computation result and the experimental data shows that prediction of ka series propeller by surface panel method is feasible
本文嘗試建立一種面元法預報導管螺旋槳水動力性能的方法，為設計導管螺旋槳和研究泵噴射推進裝置建立基礎。The system can simulate the transfer process of photo - thermal and thermal - electric at a given parameter setting of structure, environment and circuit. on the basis of circuit structure, the calibration, parameter adjusting and signal readout can be simulated, the vary process of readout circuit, readout voltage, optical gain, optical gain rate, and uniformity can be given. in addition, all kinds of character parameters of device can be forecasted
本論文根據umbirfpa的原理，建立它的軟體模擬系統，它可以根據給定的結構、環境、電路設置等參數首先模擬光熱、熱電轉換過程，並可根據電路結構，模擬校準、參數調節並讀出信號，給出讀出電流和電壓、光學增益、光學增益比、非均勻性等各特徵量的定量變化過程，預測製成后器件的各種性能參數。分享友人