流體壓縮系數 的英文怎麼說
中文拼音 [liútǐyāsuōxìshǔ]
流體壓縮系數
英文
fluid compressibility- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 體 : 體構詞成分。
- 壓 : 壓構詞成分。
- 縮 : 縮構詞成分。
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 流體 : [物理學] fluid; fluor流體力學 fluid mechanics; hydromechanics; 流體生物學 hydrobiology; 流體運動學 hydrokinematics
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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As for the k production in high energy hics, we firstly study k + production. the results show that the kaon flow is sensitive to both the kaon - nucleon sigma term ( s and the equation of state of nuclear matter. the collective flows of both nucleons and k + mesons need a " soft " eos with compressibility k ? 00 - 300 mev, and 2 = 200 - 400 mev seems suitable to explain the measured k + flow
研究表明k ~ +集體流在相對論重離子碰撞中對核態方程和k - n標量吸引項( _ ( kn ) )都是敏感的,計算結果表明核子和k ~ +介子的橫向集體流都需要壓縮系數在k 200 - 300mev范圍內較軟的核態方程,而大約為200 - 400mev的_ ( kn )值對解釋k ~ +流產生是合適的。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。Analysis is made on structure characteristics of the finned - tube, and analysis has been made on the special heat and mass transfer principle of every micro - unit under both dry and wet conditions. appropriate hypothesis is made and based on the energy, mass and momentum equivalent, the evaporator models of dynamic distributed parameters are set up. in addition, the gascooler and internal exchanger models of dynamic and distributed parameters, the throttling valve models and the compressor models are set up, too
本文的內容如下: 1對翅片管蒸發器的結構特點進行分析,選取適當的微元體,對于干、濕工況下每個微元分別進行傳熱傳質分析,通過適當的假設,利用質量守恆方程、能量守恆方程和動量守恆方程建立了蒸發器的分佈參數數學模型;對回熱器劃分微元建立了分佈參數數學模型;對氣體冷卻器建立了分佈參數數學模型;對壓縮機建立了數學模型;建立了節流閥的數學模型,為系統模擬奠定了基礎。The fact that wave velocity in quasi - saturated soil is equal to that of fully saturated soil could not be calculated by effective fluid compressibility or explained by unwell - distributed saturation. we account for this in a new reasonable way which was based on kuster scattering effect analysis
( 8 )根據kuster散射波理論,計算了飽和度大於85的準飽和土體的彈性波速,其結果與試驗非常吻合;但是,通常所用的等效孔隙流體壓縮系數的方法所計算的結果與實驗結果差別很大,對此,筆者給予了一定的解釋。Servo control computer system / microcomputer universal testing machines, ozone tester, compression flexometer, computer hdt / vicat tester, digital impact tester, melt flow indexer, moving die rheometer, mooney viscometer, lamination of pvc plastic press tester
伺服控制電腦系統微電腦式拉力試驗機,耐臭氧機,橡膠壓縮生熱試驗機,塑料用維卡熱變形,數位沖擊試驗機,塑膠熔體流動速率機,無轉子密閉膜腔硫化儀,門尼黏度試驗機等等。Although stb just is a sort of terminal equipments of the tv signal transmission system, however pivotal technique involves the data demodulation, channel decode, transport stream de - multiplexing, audio and video signal decompression technique and real - time software technique with upriver data coding technique etc. therefore, software and hardware technology research and development of stb, which can increase usefulness with dependable of digital video signal and audio signal for study later make the theories preparation and backlog experience
機頂盒雖然只是數字電視傳輸系統的終端設備,但所用到的關鍵技術涉及到數據解調、通道解碼、傳輸流的解復用、音視頻信號解壓縮技術以及實時軟體技術和上行數據的編碼技術等。因此,通過對機頂盒軟、硬體的研究開發,既能為以後研究如何提高信息傳輸的有效性和可靠性作理論上的準備,也為圖像信號和音頻信號的數字化處理積累經驗。The article illuminates mainly two segments color - separation model based on three dimensions, gives a model conception on a knowledge base of unification technology and analyse and design digital prepress system from the whole on the problem of systemic requirement analysis. second, the article brings forward new data compress method based on memory stream and sets up new data structure to realize undo and redo methods based on analyzing all kinds of datas referred to on systemic based construction. because printing and dyeing cad system deals with many arithmetics on graphics ans image and production technics, the article illuminates vector conception, expatiates gray graphic vectorization and brings forward to graphic component ' s conception to enhangce the systemic stability and manipulating speed and improve graphic transmission
在印染cad系統的需求分析問題中,結合目前印染行業的發展和實際cad系統的整體構架,著重闡述了基於三維空間的二段法分色模型,提出了一體化工藝知識庫這個模型的概念,對數字印前系統做了整體的分析、設計在系統的底層架構問題上,著重分析了cad系統涉及到的各類數據,提出一種新型的基於內存流的數據壓縮方法,同時設計了自己的數據結構,用以實現系統的undo 、 redo操作,由於整個系統涉及眾多的圖形圖像演算法和實際工藝,為了提高系統的穩定性和操作速度,以及增強圖像的網路傳輸功能,在部分演算法中採用了矢量的概念,著重講解了灰度圖像矢量化,並且提出了圖像組件這一嶄新的概念。For the real time performance need of the low speed speech compress algorithm and the asic implement of the transfer process between programs, the design is put forward in the paper, in which state registers control the cross access between operator and memory, register windows are used for the parameters transfer, and the technique of hardware controlling is used to avoid pipeline conflict, so that the main problems of the transfer process in tr600 are solved effectively
摘要針對低速率語音壓縮演算法對處理器系統實時處理復雜運算的性能要求,就程序調用過程的asic實現問題進行了對比與分析,進而提出了用層次狀態寄存器控制存取運算元對存儲體交叉訪問的方法,並結合運用寄存器窗口傳遞參數的功能,以及利用空指令硬布線處理流水線沖突的方法,有效地解決了tr600晶元中調用過程存在的主要問題。Considering practical needs and developing trend of vts, based on analyzing the signal characters of vts radar video, studying basic data compression principles in information theory, comparing international coding standards in the forefront of image processing, a vts radar video coding system suitable for transmission in the narrow channel is proposed in this thesis. its main block ? oder and decoder, is realized in the common pc with software. the working process is demonstrated detailed
結合vts系統的現實要求和發展方向,本文從vts雷達原始視頻圖像數據的特點出發,從信息論中關于數據壓縮的基本原理出發,從現代信號處理特別是圖像信息處理領域中的壓縮編碼國際標準出發,提出了雷達原始視頻編解碼系統方案,其主體部分? ?編解碼器是在pc機內利用壓縮軟體實現,闡述了系統工作流程;提出了基於jpeg壓縮演算法和hThis paper focuses on the research and implementation of these six key techniques. firstly, this paper researches the international standards for compression of digital video data, analyses how to compress analog video stream to mpeg - 4 with hardware. it is also involved in the techniques of net transmit of digital video data, such as net protocol, ip multicast, rtp / rtcp and so on
本文主要是對智能視頻監控系統關鍵技術的研究與實現,主要體現在以下幾個方面: 1 、在視頻數據的壓縮方面,研究與分析了視頻壓縮的標準以及對mpeg - 4壓縮標準做了簡單的介紹,並分析了mpeg - 4的硬體實現方式,即使用硬體編碼晶元vw2010將視頻信號轉換為mpeg - 4格式的視頻流。The keep - up pressure recovery of most oil - gas reservoirs and the gas storage measurement on some depletion reservoirs have been made in china, which have endlessly caused variation of pressure difference between inside - pore and outside - pore, followed by always changes of compressibility, porosity and permeability of rocks due to injection and production time and again of reservoir fluids
摘要目前我國許多油氣藏進行了保壓開采措施及對部分衰竭油氣藏進行儲氣庫改造措施,油氣藏流體反復注采,使得孔隙內外壓差不斷變化,導致巖石壓縮系數、孔隙度、滲透率發生著不斷的變化。Combining with the practical project, the development of an instrument for multi - channel harmonic detection and analysis were described in the third chapter, including the system structure, hardware and software of the device. then the technology of multi - channel data gathering was discussed, and some key techniques have been presented including high precision 、 high speed sampling of the voltage and current, fast flourier transform ( fft ), data compression and storage techniques, planar graphic fitting, three dimensional graphic projection, multithreading and the computer graphics techniques
第三章結合多通道諧波監測及故障錄波一體化裝置的研製這一課題,介紹了裝置的體系結構和硬體、軟體構成,詳細介紹了在裝置研究過程中所提出的關鍵技術,主要包括電流電壓信號高精度、高速采樣技術,快速傅立葉變換fft 、數據壓縮存儲技術,多線程技術,二維圖形擬合、三維圖形投影技術及海量存儲技術,計算機圖形技術等。The relation between rheological breaking ratio and plastic work is set up according to the equation relation between outer plastic work and energy of plastic deformation. it is helpful to the understanding of elasto - plastic constitutive relationship of rockfill and braking of particles. based on analysis of test result, in - site observation data, this paper put forward a quantitative relation between rheology and valley shape, rockfill mechanical parameters, such as dry density, compressive modulus, softening factor, pore ratio, etc. the main factors influencing the rheological behavior of rockfill can be classified into inner factors and outer factors
堆石作為面板壩的主體,影響其流變的因素頗多且十分復雜,既有內因也有外因,根據試驗、原型觀測資料對內外因素所做的分析,本文提出了流變與河谷形狀等外因、流變與壩體常規物理力學指標等內因的定量關系和影響堆石流變的多因素綜合表達式,由此建立了堆石流變與堆石常規物理力學指標(如干密度、壓縮模量、軟化系數、孔隙比等等)之間的聯系。On the basis of the theory and knowledge of many learning branches such as fractal geometric, the percolation mechanics, the reservoir engineering, mathematic and physic method, numeric analysis method, compute graphic procession method, software engineering analysis method and so on, this thesis based on the developed research work, concludes the following a few facets to the unsteady seepage flow mathematical models in the pressure - sensitive deformable double media fractal reservoir. fractal geometric theory and method are good approximations to describe the complicity and we can more easily analyze all kinds of the pressure - sensitive deformable double media fractal complex reservoir relatively than others
本文綜合運用分形幾何理論,滲流力學理論,油藏工程方法,數學物理方法,數值計算,計算機圖形處理技術,軟體工程的分析方法等方面的理論知識和應用技術,在已有研究成果的基礎上,對分形油藏作了以下幾方面的研究:一-一- -絲竺絲型進些絲燮竺鯉絲竺塑望絲些些竺色? ( l )以m厄仃en一root模型為基礎,引入分形參數d了、 0和壓縮系數。Based on the new model, the influences caused by soil structure, apparent preconsolidation pressure, the re - compression index, the coefficient of secondary compression, the magnitude of loading, the coefficient of permeability, the rate of loading, the thickness of clay, the self - weight, the layered property etc, in the process consolidation of soil with structure, are analyzed in detail. the difference between the present model and yin & graham model was also given
基於本文新建模型,分析論述土結構性、表觀前期固結壓力、再壓縮系數、次固結系數、荷載增量大小、滲透系數、加荷速率、固結層厚度、自重應力隨深度變化和土體成層性等對土固結的影響,比較本文模型與yin & graham模型的異同,闡述土結構性和流變性對軟土固結壓縮行為的影響。The main works are as following : 1. in view of the large quantity of data obtained from optical measurement equipments, we put forward the idea of mass data process system framework, which is data realm division first and then block data compression according it, we establish conceptual framework base on that, and design system structure, data stream
主要工作如下: 1 、針對光學測量設備得到的測量數據具有數據量巨大的特點,本文提出了先採用數據區域劃分,再對各劃分后的數據按區域壓縮的海量數據處理系統框架設計思路,建立了總體框架,設計了系統結構、數據流。The research and contribution in detail are introduced as follow : ( 1 ) the driver characteristics > motor vehicle characteristics, road characteristics, macroscopic and microscopic flow parameters are analyzed. a new traffic flow continuum hypothesis is proposed. the compression index and elasticity coefficient are defined
具體工作如下: ( 1 )綜合分析了交通流中駕駛員的交通特性、車輛的交通特性、道路的交通特性、交通流的宏觀參數和微觀參數,提出了新的交通流連續性假設,定義了衡量交通流壓縮性的壓縮系數和彈性系數,分析了各種速度-密度模型所對應的壓縮系數。The osmotic pressure test was developed to determine the unknown, finite strain consolidation coefficient and convection coefficient in the mathematical model. the two coefficients both varied with effective stress and depth and were functions of initial void ratio, compressibility, permeability and permeability derivative along depth. a precise time step integration method was proposed to solve the finite strain osmotic consolidation equation with varied coefficients
設計滲壓固結試驗確定理論模型中的待定系數有限應變固結系數和有限應變固結對流項系數,這兩個系數均為隨有效應力和土層深度變化的量,並且體現軟土初始孔隙比,壓縮性、滲透性及其沿深度變化等因素的綜合影響。With performance of up to 900 million floating - point operations per second ( mflops ) at a clock rate of 150 mhz, tms320c6711 is fit to tackle with the problem. this thesis made a deep research on the h. 263 standard and the tms320c6711. we propose the plan of the software and the hardware for the realization of the h. 263 protocol which include the structure of the whole program, the c code of the key algorithm of the h. 263, the c code of some subprogram, and the circuit for image processing with the tms320c6711 as the processor. furthermore, we optimize some subprogram in common use to make the coding more quickly. we encode a video sequence with the tms320c6711dsk successfully, even if the compression rate is as high as 100, video effect we get after decoding the code stream is satisfying
首先系統地研究了h . 263協議編碼器的基本演算法,句法,碼流結構和tms320c6711dsk的原理結構以及ccs2 . 0的開發環境;在系統的軟體方面給出了總體流程圖,對于h . 263協議編碼器的某些核心演算法和子程序,給出了部分源代碼,對于dsp的各種代碼優化方法進行了討論,並且對代碼進行優化,從而在提高系統處理速度的同時減少代碼大小和內存需求量;硬體方面以tms320c6711為核心處理器,提出了基於tms320c6711的圖像處理平臺的硬體實現方案,並給出了原理電路圖;最後在tms320c6711dsk上成功對視頻數據進行高壓縮比( 100倍以上)的編碼,對回傳的結果解碼后得到了令人滿意的效果。The design of network video collecting system proposed in this thesis is based on embedded hardware developing platform with motorola mcf5272 chipset as center chipset, and uclinux as embedded system as software developing platform. after collecting video data through a usb camera, the system compresses the data in jpeg picture format and mpeg - 4 video format. then with the embedded web server and streaming server, it establishes connection with client in c / s mode, which enables the client to view the video through browser or normal media player remotely
本設計所提出的網路視頻採集系統的設計是在以motorola的mcf5272晶元為主晶元的嵌入式硬體開發平臺配以uclinux作為嵌入操作系統的軟體開發環境下,通過一個usb介面的攝像頭輸入原始的視頻數據,在嵌入式板上分別採用了jpeg圖像格式壓縮和mpeg - 4視頻格式壓縮對原始的視頻數據進行處理,最後通過內置的web服務器和流式媒體服務器,採用c / s的方式與客戶端建立連接,使客戶端在只要能上網的地方就能通過瀏覽器或是普通的mediaplayer播放器觀看到服務器端採集到的影像,具有十分廣泛的應用前景。分享友人