能量交換時間 的英文怎麼說
中文拼音 [néngliángjiāohuànshíjiān]
能量交換時間
英文
energy equipartition time- 能 : 能名詞(姓氏) a surname
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 交 : Ⅰ動詞1 (把事物轉移給有關方面) hand over; give up; deliver 2 (到某一時辰或季節) reach (a cert...
- 換 : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 能量 : 1 [物理學] energy; amount of energy 2 (能力) capabilities; capacity; 能量不滅 conservation of e...
- 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
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A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains
模式主要依賴于以下參數和物理量:地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系數雲量等參數。結果表明,本模式能合理地模擬不同地表熱量平衡地表氣溫混合層高度湍流交換系數湍流動能位溫廓線等,以及它們的日變化。該模式所取參數主要針對北京市,時間為九月初,對于其他城市,參數應作相應的調整。On the other hand, by the statistical analysis of historical flow data, the system can model the network traffic flows, and forecast short - term network flows. after that the system can analyse the network traffic abnormity. by use of the netwok management system and network security facility, we can setup a security infrastructure to monitor flows in real time, predicts the future flows, alarm some abnormal flows, respond to the abnormity automatically and immediately
論文通過定期採集網路關鍵設備,包括匯聚層和核心交換層的流量情況,處理后以結構化、層次型的方式保存起來,一方面提供了圖形化的用戶介面,將收集的各種歷史數據和實時數據在其中以圖形的方式直觀地顯示出來,另一方面通過對歷史流量數據的統計分析,從而對網路流量進行建模,短時間預測網路流量情況,實現對網路流量異常情況的觀察分析,利用有充分響應能力的網路管理系統和網路安全設備,構成響應和預警的綜合安全系統。River system is an open system integrating various elements such as economy, society and entironment, in which substance and energy have direct or indirect exchanges through the activities concerned with water and thus there is evolution in different ways
摘要河流系統是一個經濟社會、自然資源、生態環境相互耦合的開放系統,它通過水事活動直接或間接地與外界進行物質與能量交換,促使系統形成不同時空演化格局。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。So this paper tries to solve these problems through the following work : first, we select some index to valuate the close - end funds, including income, stability, risk in falling, stocks selecting ability and tuning ability, based on overseas funds valuation methods and domestic market condition ; second, we analyze the stability of all index and form two styles index, which are f and other bad stability index ; then, we form the valuation system, including two - layers index, which are p and factor score ; last, we use this system to analyze the close - end funds which came into existence before 2000 and get the final comparative result. the main intention of this paper is to create the system of valuating close - end funds in our country, which is comprehensive and objective. in my valuation system involving the period from 2000 to 2003, the funds as a whole performs inferior to the stock index
首先,對國外理論界經典成型的、以及前沿的基金評價指標和評價方法進行了詳細的分析,並結合我國的基金市場狀況,選取了可以衡量基金收益、穩定性、下跌風險、股票選擇能力、時機選擇能力等量化指標;其次,根據我國基金分析的需要,採用了諸如基金交易價格、換手率等二級市場表現指標;然後,對這些指標進行了時間延續性分析,檢測這些指標在運用到我國基金市場時能否有效預測基金未來表現,從而形成了兩類指標:時間延續性很好的s _ p和時間延續性不好的其它所有指標;再次,在以上工作的基礎上形成了由兩個層面的指標構成的我國證券投資基金評價體系: s _ p和因子分析中綜合因子得分值;最後,選取了我國2000年1月1日前成立的23隻封閉式基金作為樣本,並同時採用上證a股與深成a股兩個基準組合進行了3年樣本期的實證分析,得出了最終的比較性評價結果。Axial load composed of five main kinds of vehicles was gained by eye - observing, and then the mean exchange coefficients of each kind of vehicles and equivalent standard axle load were obtained
利用目測法得到各類車輛軸載組成,通過分析得到各類車輛平均軸載換算系數,然後求得標準軸載作用次數,採用空間換時間方法,最後建立了四個地區不同交通量等級下的路面使用性能預測方程。Energy exchange time
能量交換時間Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control
本文結合相關技術的介紹和分析,描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現,此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備,該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能,同時該設備的驅動程序基於wdm模式,並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面,能夠方便地運行在windows98 / 2000 / xp操作系統平臺上,具有實時性強、工作穩定、通用性較好和性價比高等特點。It is unconditionally secure ( i. e. secure against a spy who has sufficient time and computer power ), and needless of any private key exchange before the actual communication
量子密碼具有無條件安全的特性(即不會遭受擁有足夠時間和計算機能力的竊聽者攻擊的危險) ,而在實際通信發生之前,不需要交換私鑰。The exchange of material, energy and information occurs in any system ( ecosystem, natural system, process system, social system, market system ) of the world, generating material flow, energy flow and information flow both in time and space
摘要任何一個系統(生態的、自然的、生產過程、社會的、市場的)在其內部各個環節之間及與外部環境之間都在不斷地進行著物質、能量和信息的交換,在時間和空間上形成物質流、能量流和信息流。The tests of e - o applications by our flux ktp has been realized, the results showed : optical waveguides fabricated by using an ion - exchange process, which have an exchange - ion concentration depth profile and refractive - index profile, is close to a complementary error - function distribution, optical homogeneity and device thermal stability is much better. amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2. 5 % at 1064 nm. high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width, this modulator had run for three years, and the crystal did n ' t blackened, it showed our low conductivity flux ktp can endure high modulation voltage for a very long time
Ktp晶體的電光應用試驗表明:用離子交換法製作的電光波導,其離子交換濃度、折射率變化符合餘弦誤差函數,光學均勻性以及器件的溫度穩定性較好;製作的強度調制電光開關,消光比為150 : 1 ,對1064nm激光的插入損耗為2 . 5 ;製作的電光調制器用於激光脈沖整形試驗,從脈沖寬度50ns的激光脈沖削出脈寬1ns的高質量光脈沖,該電光開關經過長達三年多的使用,沒有出現晶體變黑現象,說明本實驗的低電導率ktp晶體能夠耐受長時間的調制電壓。By calculating the feynman diagram in rtf, we find that when taking into account both the thermal photon emission, absorption and the virtual photon exchange processes, the infrared divergences at zero and finite temperature can be cancelled at the same time. the full quantum calculation results for soft photon radiation coincide completely with the poisson distribution obtained in the semiclassical approximation ( the coupling of the classical current and quantized field )
通過實時溫度場論下的費曼圖計算,我們得到:將實光子的發射、吸收,虛光子的交換過程同時考慮時,零溫場論中出現的和由溫度效應引起的紅外發散都能得到消除;並且完全量子場論下的軟光子輻射幾率與半經典近似下(經典的電流和量子化的電磁場之間的耦合)得到的泊松分佈結果完全一致。With adsorption and ion exchangeability, it is mainly used as additive in feed, it can absorb ammonia, fix nitrogen, delay the time nutriments stay in alimentary canal, absorb detrimental substance, improve the function of digest, supply many microelements and macroelemnts for livestocks
主要用作飼料的添加劑,具有吸附性和離子交換性,能吸氨固氮延緩營養物質通過消化道的時間吸附腸道有害物質,改善消化機能同時可以供給畜禽多種微量和常量元素,促進增產增重,提高飼料報酬。The primary design goal is to limit the amount of traffic that requires routing in order to increase performance and reduce routing administration costs while maintaining wire - speed switching between end systems on the same logical subnet
其主要的設計目標是當在同一邏輯子網上保持終端系統之間的高速交換時,為了提高性能和減少路由的管理成本,限制需要路由的流量。With the demand for high quality of electric energy is increasing , as the most immediate part to the consumer , distribution network ’ s efficient and reliable operation is very important as the result , new distribution automation equipment with high performance is inevitable prime machine system , as data collection and processing subsystem of dms , provides communication of kinds of information between control center and rtus it ’ s reliability , real ? time abilitv and stability affect the scada system directly to solve the disadvantage of the existing system , whose channels are dependent , a new proj ect of single board system is brought forward and its hardware and software are designed with high performance chip of communication , independence of channels is realized basic function of system is realized , and faster reposition and expansibility of the single chip is fully applied
配電自動化通信前置機作為dms主站系統的數據採集與處理子系統,提供監控中心與遠方rtu之間各種可能信息的交換功能,其可靠性,實時性和穩定性直接影響scada系統的運行質量。本課題針對現有前置機各通信通道之間不相互獨立、穩定性低的固有問題,提出一種新式單板前置機系統,並對其進行了軟硬體設計,選用高性能專用通信處理晶元,實現各通道獨立,並在實現前置機基本功能的基礎上,充分發揮單片機相對于工控機的快速復位功能以及更好的可擴展性,實現了一個可靠、穩定、靈活的前置機系統。Secondly, a network based on multi - terminal components modeling methodology was applied to model mems at system - level by the analogy and mixed - signal modeling tool of vhdl - ams, for the system - level model of mems is a mixed signal model, which has attributes of multi - energy domains coupling, multi - signals mixed and interacting between discrete - event subsystems and continuous - time subsystems. with this method, the whole system can be divided into some subsystems defined as multi - terminal components ; the behavior of the subsystems depends only on their terminal signals ; the information exchange between subsystems was done by the signals at their terminals. the continuous - time systems or discrete - event systems can be modeled and simulated with this method, which satisfied the requirements of nonlinear systems and large signals analysis
同時,針對mems的系統級模型是一個混合信號模型,具有多能量域耦合、多信號混合、離散事件子系統與連續時間子系統交互的特點,使用vhdl - ams作為混合信號模型建模的工具,採用多埠組件網路建模方法建立了mems系統級模型,把微型機電系統分解為多個子系統或組件,各子系統被定義為多埠組件,子系統的內部行為通過其埠行為來描述,子系統間的能量與信號的交換通過組件的埠映射來實現,從而實現了對連續時間系統和離散事件系統的建模與模擬,滿足了非線性系統以及大信號分析要求。If the initial photon state is a fock state, the probability density of the electron exhibits bifurcation and confluence and the corresponding photon distribution is a time - periodic function which result from the energy exchange between the electron and field
Ck態時,隨著時間的演化,電子的兒率密度呈現分叉現象,相應的光子數分佈是時間周期函數,這是由於電子與光場之間有能量交換。在這種情況下,系統是封閉的。The software function modules, such as data acquisition, data processing, human - machine interface and data management, are introduced. the crucial software design concepts of using multithread and double buffers for exchanging data are emphasized. the data transmission between the data collecting site and supervision center is implemented for constructing a distribute supervision system based on the network
本文分析了電能質量在線分析儀設計中的各種問題以及解決的方法;介紹了軟體系統中數據採集、數據處理、人機交互和數據管理等四個模塊的功能和實現;詳細說明了如何利用多線程的編程方法和雙緩沖區的數據交換方式,實現對電能質量各個技術指標的實時監測、記錄和分析;實現了在數據採集點和監控中心之間數據的傳輸,並在此基礎上設計了基於網路的分散式電能質量測試系統。分享友人