流體通量 的英文怎麼說
中文拼音 [liútǐtōngliáng]
流體通量
英文
fluid flux-
And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media
以土力學模型為基礎,利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播,採用了顯式差分方法(中心差分法和newmark常平均加速度法結合)和透射邊界,通過比較利用幾種差分格式求解的加速度結果,發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用,分別編制了體波( p波或sv波) 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。The cf4, gas was fed through a mks mass flow controller
Cf4氣體通過mks的質量流量控制器流入。In hydraulic systems, the flow rate of the fluid may be considered as a through variable, and the pressure causing the flow may be the across variable.
在水利學系統中,流體的流速可考慮作流通變量,而引起流動的壓力可考慮作跨接變量。The result indicates that, in the course of the rainstorm in huoshan, there are obvious low - level jet of great intensity, infection of mesoscale shear line, enhancement of plus vorticity which increases intensity of convergence, improves ascending velocity and brings on precipitation, and quick enhancement of helicity which provides the basis to forecast, in addition, convergence of moisture flux and analyzed potential vorticity which reflects baroclinic convective instability sufficiently indicate the characteristics of the rainstorm
結果表明:此次霍山暴雨發生前後,存在明顯的大強度低空急流,並受到中尺度切變線的影響,而且正渦度的加強引起了輻合加劇,提高了上升速度從而引起降水,同時暴雨發生前螺旋度的迅速增強,也為預報提供了根據,另外水汽通量的輻合以及分析位渦反映出的斜壓對流不穩定都充分體現了這次降水的特點。Even if the pressure gradient is partly balanced by the fluid acceleration, its order of magnitude is usually no larger than the hydrostatic gradient.
即使壓強梯度部分地被流體加速度平衡,其數量級通常也不大於靜壓梯度。For incompressible fluids, both the mass flux and the volume flux are constant in a tube of flow.
對于不可壓縮的流體來說,流管中的質量通量和體積通量都是恆定不變的。Industrial - process control valves - flow capacity - sizing equations for fluid flow through multistage control valves with interstage recovery
工業過程式控制制閥.流通能力.通過有段間恢復功能的多段控制閥的流體流量的校準公式Industrial - process control valves - part 2 - 5 : flow capacity ; sizing equations for fluid flow through multistage control valves with interstage recovery
工業過程式控制制閥.第2 - 5部分:流通能力.通過有段間恢復能力的多段控制閥門的流體流量的校準公式Industrial - process control valves - part 2 - 5 : flow capacity - sizing equations for fluid flow through multistage control valves with interstage recovery
工業過程式控制制閥.第2 - 5部分:流通能力.通過有段間恢復能力的多段控制閥門的流體流量的校準公式Through the research on the development character of overthrust fault, we analyzed its sealing mechanism. we also established evaluation standard and method of fault sealing ability through the following two simulation experiment : experiment on the quantitative relationship between property of fracture zone filler and fault sealing ability ; experiment on the deformation character of cream shale. based on these work, we evaluated sealing ability of overthrust faults on several typical structure in kuche depression
本文通過逆掩斷層發育特徵研究,分析了逆掩斷層封閉機理,在斷裂帶填充物性質與斷層封閉性定量關系模擬實驗和膏泥巖變形特徵模擬實驗基礎上建立了斷層封閉性評價標準及評價方法,以此對庫車坳陷幾個典型構造上逆掩斷層垂向封閉性進行了評價,結果表明現今斷層多是封閉的,這是庫車塌陷天然氣和異常孔隙流體壓力得以保存的主要條件。Through the study of characteristic of macroelement, microelement, rare - earth element, oxyhydrogen isotope, sulfur isotope, lead isotope, fluid inclusion etc, a conclusion can be drawn that metallogenic substance comes from the upper mantle with mixing of some substance from the upper crust latter. it is likely to have the same source with the surrounding rock
通過對礦床的常量元素、微量元素、稀土元素、流體包裹體特徵、氫氧同位素、硫同位素、鉛同位素等特徵的研究,認為成礦物質主要來源於上地幔,與周圍巖石存在著同源的可能性,後期有一定的上地殼物質混入,成礦作用有三期,分別與區內的花崗巖、二長花崗巖脈、雲煌巖脈有關。In the case of electric networks, as well as hydraulic or pneumatic systems, the through quantity is conceived of as a flow and is intuitively easy to visualize.
在電網路,水力或氣體系統的情況下,流通量被設想成流量,這是容易直覺地想象出來的。Aiming at the present design fashion of domestic bigger tunnel, simulating a bigger tunnel with catholic characteristic, confirming the parameters of traffic inducement and controlling ( tunnel length, traffic, the selection and location of detection equipments, amount of roadway indicative lamp, etc ) on the base of the analog tunnel, discussing the controlling and revulsive mode of tunnel. briefly discussing the constitution of tunnel surveillance and controlling system and the executive means of traffic controlling and inducement subsystem and network structure of tunnel controlling system. finally discussing the conformation of emulational tunnel ' s database and detailed executive program by programming the computer emulation of controlling induce subsystem
論文圍繞「交通誘導與控制」這一中心展開,探討長大隧道交通誘導與控制設備及其控制誘導方式;結合國內外對交通流模型研究的成果,提出一套適合長大隧道交通流特點的交通流模型;並針對目前國內長大隧道的普遍設計方式,模擬一個帶有普遍性特徵的長大隧道,確定了關于交通誘導與控制方面的參數(隧道長度、交通量、檢測設備的選取和位置、車道指示燈的數目等) ;以此模擬隧道為基礎,進一步探討隧道的具體控制與誘導方式;簡要探討隧道監控系統的構成、交通控制與誘導子系統的實現方式,隧道控制系統的網路架構;最後通過編程實現控制與誘導子系統的計算機模擬,討論關于模擬隧道數據庫的構建,具體編程實現等。This paper researches on the water and suspension in zhujiang ( pearl ) river and her three branches, sampling in makou hydrological gorge station of xijiang river, hekou hydrological gorge station of beijiang river and boluo hydrological gorge station of dongjiang river. the author calculated the riverine carbon flux and measured the content of different carbon forms and carbon isotope composition. furthermore, the author also studied drainage basin erosion and the influence of vegetation distribution on erosion
本文以珠江水體、懸浮物為研究對象,通過對西江馬口、北江河口、東江博羅斷面水體取樣,分析水體中不同形態碳含量,測定碳同位素值,並計算了河流碳通量值;還對珠江流域的侵蝕狀況及植被分佈對流域侵蝕的影響進行了探討。Water wave pump combines the functions of air wave charger and water hammer pump to show fine performance, where the total energy of inflow is redistributed to heighten the presure of a part of the the flow to the desired level whereas for the rest of flow a low level of pressure is maintained, which causes moving water with high energy to reach to a higher place
水波泵是一種巧妙地綜合氣波增壓器和水錘泵功能的全新的水泵,它通過合理利用水波動力的特殊性質,將來流中的總體能量進行重新分配,使一部分來流水提高到所需的高壓力,而其餘部分水則降到較低的壓力,即完成一個大多數能量向部分來流水轉移的過程。This thesis introduces the working principle, craftwork requirement, modeling process, control strategies and the realization of lf refining furnance bottom blowing argon control system. through the study and analysis of bottom blowing argon process control system, the thesis discusses the mean neural network model of controlled object and the mathematical models of the exectors, pwm adjustable pressure controller and pcm adjustable flux controller according to the relevant liquid knowledge and relevant data, including design data, test data and running data. to begin with the craftwork reguirement of bottom blowing argon and the actual instance of the control system, it presents the strategies of fuzzy parameters self - adaptive pid control used in pressure difference inner loop and fuzzy plus pi compound control used in flux outer loop which are based on the above modeling in order to carry out the accurate control of argon flux
本文介紹了lf精煉爐底吹氬過程式控制制系統的工作原理、工藝要求、建模過程、控制策略以及控制系統的實現。通過對精煉爐底吹氬過程式控制制系統進行研究與分析,並根據流體力學的有關知識以及有關數據(其中包括設計數據、試驗數據和運行數據) ,建立起了被控對象的平均神經網路模型和執行機構(即pwm調壓器和pcm調流器)的數學模型。在此模型的基礎上,從底吹氬工藝要求和控制系統的實際情況出發,提出了壓差內環模糊參數自適應pid控制策略和流量外環模糊pi復合控制策略,以實現氬氣流量的精確控制。Like closing valves, fluid movements of check valve through the channel is narrow and therefore the lifting of check valve through the pressure drop kai xuan than some big - check valve, and the rotary kai - flow check valves are very few restrictions
像截止閥一樣,流體通過升降式止回閥的通道也是狹窄的,因此通過升降式止回閥的壓力降比旋啟式止回閥大些,而且旋啟式止回閥的流量受到的限制很少。Electrorheological ( er ) fluids are a kind of complex fluids that is a suspension of high dielectric constant particles dispersed in an insulating oil of low dielectric constant, which have reversible and adjustable rheological property under t he applied electric field
電流變液( electrorheologicalfluids )是一種智能流體,通常是由高介電常數的微米量級顆粒分散於低介電常數的絕緣油中而形成的懸浮液。In balancing valve upstream and downstream ends of the tube with a hole, used to measure the fluid through valves pressure reduction
在平衡閥的上游、下游端各裝一個測壓孔,用來測量流體通過閥門的壓降。Fluid is generally transported in piping that connects fluid sources with users and belongs to a typical type of energy system. piping is widely used in power equipment, industrial production, person ' s life and so on
流體通常是採用管網系統進行輸送的,它實現了從流體源到流體終端的連通,可歸屬于能量系統,並極為廣泛地應用在動力設備、工業生產和人們的生活中。分享友人