flow-through method 中文意思是什麼
flow-through method
解釋
跨期所得稅當期計納法-
To calculate this boundary parameter, mohorovicic discontinuity palaeo - heat flow value during basin evolution process is identified through geotectonic background analogy method based on " peeling " method model, and the basin basement palaeo - heat flow is calculated through inversion from today to antiquity with current tectonic structure as constraint condition for palaeo - crustal architecture analogy
為了求取這個邊界參數，以「剝層」法模型為基礎，通過大地構造背景類比法確定盆地演化過程中莫霍面古熱流值，以現今地殼結構為約束條件類比古地殼結構，從今至古反演求取了盆地基底的古熱流。 -
The third section of the essay, analyzes the distributing law of passenger flow of public traffic, brings forward a new prediction method which could keep accordance to the practical distributing law of passenger flow by and large, furthermore, could meet the demand of optimizing bus dispatch system. this method based on intelligent technology breaks through the traditional way
第三部分研究了城市公共交通線路日客流量分佈規律，提出了一種可操作性的、能在總體均值上符合線路客流客觀變化規律、可滿足以城市公共交通線路調度為目的和以此為精度要求的城市公共交通線路每日客流量預測方法。 -
Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo
本文首先對數字減影血管造影（ dsa ）成像系統的組成結構和數據流向進行了深入研究和分析，並對系統中的數據流向進行了完整的歸納和總結，給出了x線數字成像系統中的高速大容量數據通道的設計方案；在對sdram的控制方式做了深入探討后，給出了實現大容量多條sdram共同工作的解決方案，在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲；通過對pci總線介面的深入研究，優化後端狀態機設計和低層驅動程序開發，給出了完整的pci介面方案實現高速dma數據傳輸，完全可以滿足視頻傳輸要求；深入研究了基於大規模可編程器件的數字系統設計方法，針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點，提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案，從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。 -
According to characteristics of the seismic data from the low snr region with complex surface, this paper is started from solving the static correction problem and reasonable eliminating all kinds of disturbance in the seismic data from the low snr region with complex surface. through the whole process of seismic data processing which includes a series of processing methods that are suitable for the low snr region, namely, from the choosing of the floating base - level, the static correction in the field and indoors, the eliminating of all kinds of noise before and after stacking, the velocity analysis with high - resolution, the reasonable techniques of deconvolution before stacking and wavelet processing after stacking, to the method choosing of the high - resolution stacking and the reasonable and accurate offset imaging, a set of the complete and effective flow for processing seismic data from the low snr region with complex surface are finally formed, which can meet the need of explo
本文針對復雜地表低信噪比地區地震資料的特點，以解決復雜地表低信噪比地區地震資料靜校正問題及合理剔除各類干擾為出發點，在整個地震資料處理過程中，從浮動基準面的選取、野外及室內靜校正、疊前疊后各類噪音的去除、高精度速度分析、合理的疊前反褶積及疊后子波處理技術、到選用高精度的疊加技術及合理準確的偏移成像方法等一系列適合於復雜地表低信噪比地區的處理方法，最終形成一套較完整且有效的針對復雜地表低信噪比地區地震資料的處理流程。 -
Through examination of the recession limbs of the observed hydrographs, during periods with no rain and thus no surface runoff, one can determine the value of. for this catchment, a value of 0. 8 is obtained. the simulated subsurface runoff at each grid is routed to the outlets through a unit - hydrograph method for overland flow and the linear saint - venant equation for channel flow to get the discharge at xixian station
對所研究的流域而言，經過估算消退系數為0 . 8 .耦合著這兩種不同地下徑流機制的clm模型都可以計算出每個網格的地表地下徑流深，採用dag lohman 34 ， 35發展的匯流模型進行匯流由於是研究地下徑流，所以取每個網格的地表徑流為0 ，該模型採用單位線計算坡面匯流線性聖維南saint - venant equation進行河道匯流 -
However, it lacks runoff data in absolutely most areas where culvert and small bridge locate. some traditional design method, such as the methods of statistic zone parameter, modification by catchment area, rainfall - runoff, reasoning formula and empiric equation et al, are used to estimate flood flow through culvert or bridge
然而，絕大多數中小橋涵所在地卻沒有可利用的徑流資料，通常採用統計分區法，面積改正法、暴雨徑流法、推理公式和經驗公式等傳統設計方法，這些方法一般比較繁瑣、精度較低、設計的流量偏大，導致工程造價偏高而浪費資金。 -
3. for the two - region model of one - dimensional solute transport through heterogeneous soils considering scale - dependent dispersion and immobile region under steady state flow, the numerical model is obtained by characteristic finite element method
對于穩態水流條件下，非均質土壤中考慮水動力彌散尺度效應以及不動水體存在時，一維溶質運移的兩區模型，建立了相應的特徵有限元數值模型。 -
This theoretic model employs the basic idea of correlation measurement, achieve the density wave speed by the correlation of the signals of upper and lower sensors, and get the total flow rate and water cut through the theoretic relationship of density wave speed and total flow rate as well as holdup with the help of drift flux model so as to accomplish the oil / water two - phase flow measurement at last, using the limited available experiment data, the theoretic model has been simplified into an applicable linear alternative which is suitable to homogeneous oil / water two - phase flow measurement to accomplish the oil / water two - phase flow measurement using the density wave phenomena is of highly theoretically valuable for density wave theory research as well as oilavater two - phase flow measurement research. to develop new type oil / water two - phase flow instrumentation based on this theoretic measurement method will be very applicable and promising
在此基礎上，針對穩態密度波理論提出了基於密度波理論的油水兩相流測量理論模型，該模型以密度波傳播理論作為基礎，通過上下游傳感器信號相關獲得密度波傳播速度，利用密度波傳播速度與總流量以及持相率的理論關系結合漂移模型來求解總流量和含相率，實現油水兩相流的測量，在理論分析的基礎上，在實驗資料有限的條件下，對基於密度波理論的油水兩相流測量理論模型作了極限的簡化，提出了本文油水兩相流測量理論方法應用在測量均勻油水兩相流中的實用線性模型。 -
The response was compared with that obtained through simulation realized by the use of matlab and the actual process on different steam flow, feed water flow, fuel flow and control method
並運用matlab模擬工具，針對鍋爐水位和汽壓調節對象模擬模型在不同的蒸汽負荷、不同給水量、不同燃油量和不同控制方式下的動、靜態情況進行模擬研究。 -
It has a long history using a throttle device to measure the flow volume of fluid in pipe the method has formed normalization at home and abroad the principle is to make the flow bunch form the particial shrink at the place where the throttle part is located so as to produce a static pressure difference then measure and calculate the flow volume at the moment when the fluid is flowing through the throttle device by the static pressure measured this method is based on the law of conservation of energy and the equation of flow continuity
用節流裝置測量管道中流體流量已歷史悠久，在國內、國際上都已標準化，其原理是使流束在節流件處形成局部收縮，產生靜壓力差，通過測量靜壓力差來衡量流體流過節流裝置時的流量大小，這種測量方法是以能量守恆定律和流動連續性方程為基礎的。 -
This temperature calculation method avoids the non - correspondence between the flow rate and heat flux, which may exists in that used by boiler manufactures, and was employed to calculate the tube temperature of dangerous position that concerns with the retrofit scheme of superheater 1 of tower type coal - fired 330 mw once - through boiler in pucheng power plant for 100 % and 50 % operation load
針對蒲城電廠330mw塔式燃煤直流鍋爐1號過熱器的改造方案，利用本文提出的方法與電廠鍋爐常用的壁溫計算方法分別計算了100 %與50 %鍋爐運行負荷下危險部位的壁溫。 -
This article ’ s purpose is to simulates the apron that adds the coarseness fluent speed of flow in to hang the upward distributed, through the comparison, absorbs other mathematical simulations in model and the method, established the surface two - dimensional current of water mathematical model of apron that adds the coarseness
本文以模擬海漫加糙后明渠紊流的流速在垂向上的分佈規律為主要內容，通過比較、借鑒其它數學模擬的建模方法，建立了海漫加糙后水流垂向二維數學模型。 -
Abstract : in light of thicker grain and smaller viscosity of debris flow, a segmented simulation of the debris flow with flume is presented. for the first time. more difficult resistance similarity is brought about by geometric rate without excessive coarsing and discontinuous similarity of sand grain composition in model is eliminated with different grain scale. on this basis the density similarity and sand conveying similarity are achived. the method presented is verified through a model test case
文摘:針對水石流顆粒粗，粘性小的特點，提出了利用水槽進行分段模擬水石流的設想，首次通過幾何變率解決難度較大的阻力相似問題，改變了以往過度加糙的方式;通過變粒徑比尺的方法消除了模型沙級配不連續相似的問題，較好地實現了固體物質級配相似，達到了泥石流的密度相似和輸沙相似.通過水槽概化模型試驗實例，對本方法進行了驗證 -
Basing on the laws, the paper applies the pressure - flow distinguishing method into the pipeline leak detection, and through using the method of detecting the time of pressure fall
結合此規律，將壓力流量聯合判別法應用於管道泄漏檢測中，並通過捕捉壓力波的突降時刻進行管道泄漏點定位。 -
Firstly in this part, computer simulation methodology based on the baecher model for generating network of discrete fractures was presented, which includes the follow details : probability distributions of fracture density, orientation, trace length, size, and aperture and estimation of their statistical parameters ; stochastic models of fracture network ; monte - carlo ' s simulation method ; numerical simulation procedure and technicality. then, boundary element method was used to calculate flow through the generated fractured network. assuming single fracture as a two - dimension inexpressible isotropic porous media, boundary element method equations for flow in single fracture and then in fracture network were derived using the weighted residual method
給出了離散裂隙網路模型所依據的基本假定；發展了基於baecher模型的離散裂隙網路計算機隨機生成技術：詳細地推導了單裂隙滲流和多裂隙相交網路滲流的邊界單元法公式，發展了離散裂隙網路中穩態滲流的邊界元數值技術，並且討論了相關的具體數值技術細節，如角點的處理方法，單元的自動剖分等：描述了混合邊界元?管流模擬方法及其數值實現；研究了裂隙網路的簡化方法，並針對裂隙網路邊界元法的特點提出了一種改進的分塊三角分解法。 -
In theoretically flow - levitation method can prepare the nanoparticle of a series of different metal element and different size. through a course imitate for preparation of nanometal powders in inert gas by flow - levitation method, have established the mathematics model of the metal droplet surface evaporate to form suspension nanoparticles in inert gas, the calculation of this model shows as a result, the major factor of affect nanometer
研究表明，自懸浮定向流法制備的納米金屬間化合物微粒其相組成與蒸發源母料的成分有一定的對應關系，適當條件下得到的產物顆粒中，主要組成相的cu 、 al原子比基本接近或盡量與蒸發源母料的cu 、 al原子比趨於一致，換言之，可以通過 -
In this paper, a image processing method has been presented, with this method mean temperature of testing object can be arrived at from infrared picture and the interior temperature gradient of the test pieces in the situation of transient heat transfer can be got. unsteady - state heat transfer mechanism of wall has also been studied in this paper. on the basis of theoretical analysis and experimental study we can get such conclusions : infrared testing of energy conservation of buildings is rapider and more accurate than heat - flow meter method which is popular at present ; heat transfer mechanism in the situation of unsteady - state heat transfer has been analyzed through experiment ; the interior layers ’ temperature of the test pieces ascent in company with
本文在理論分析和試驗研究的基礎上得出以下結論:本文研究的紅外檢測建築節能的方法比目前存在的熱流計法更快速、更準確;用試驗分析了墻體在非穩態傳熱情況下的傳熱機理;試件各層溫度隨著受熱面環境溫度的上升而上升，只是上升的程度不同，響應時間不同，這是由於試件內部有一個蓄熱過程;通過傳熱理論和建築熱工計算推導出了非穩態傳熱情況下的傳熱系數的計算公式;本文用matlab進行紅外圖片的處理，進而得到被測物的平均溫度;用數據處理軟體擬合溫度熱流。 -
Water quality - determination of the acute lethal toxicity of substances to a freshwater fish brachydanio rerio hamilton - buchanan teleostei, cyprinidae - part 3 : flow - through method
水質.對淡水魚有害物質的急性致死毒性的測定.第3部分:通流方法 -
Using fluid analyze software, the 3d turbulent flow is stimulated based on navier - stokes equations and k - model. the turbulent flow through axial flow pump impeller is simulated by using the non - uniform triangle mesh system and the finite volume method. calculated results are presented at the design operating condition for the impeller in detail, which give a valuable reference to improve the performance of the impeller
最後，應用cfx流體分析軟體，基於n - s方程和標準-紊流模型，採用非結構化網格技術，用聯立求解各變量代數方程組的方法對設計工況下的軸流泵葉輪內部的三維紊流場進行了詳細的數值計算與分析，並預測其性能。 -
Standard test method for determining air flow through the face and sides of exterior windows, curtain walls, and doors under specified pressure differences across the specimen
在通過樣品的規定壓差下測定通過外窗幕墻和門的正面和側面的氣流的測定的標準試驗方法
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