reversible steady state flow processes

steady state compressible fluid flow in porous media

Ngày tải lên : 27/07/2014, 23:44

... obtained www.intechopen.com Steady State Compressible Fluid Flow in Porous Media 487 Flow rate (Q) = 1,000cc of air in 500sec Pressure down stream of core (p2) = atm absolute Flowing temperature (T) ... Steady State Compressible Flow in Porous Media, Natural Gas, PrimoÃ…Â¾ PotoÃ„Ânik (Ed.), ISBN: 978-953-307-112-1, InTech, Available from: http://www.intechopen.com/books/natural-gas /steadystate- compressible -flow- in-porous-media ... z Tb b b (9) Steady State Compressible Fluid Flow in Porous Media 471 Example In a routine permeability measurement of a cylindrical core sample, the following data were obtained: Flow rate of...

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Báo cáo Trí tuệ nhân Tạo : xây dựng chương trình giải quyết bài toán chiếc ba lô loại 2 theo giải thuật gene với phương pháp chọn steady state

Ngày tải lên : 05/12/2013, 13:30

... tiờn thỏa món F ≥ Ft đưa vào quần thể hệ Phộp chọnSteady state: quỏ trỡnh loại bỏ cỏc cỏ thể xấu để lại cỏ thể tốt Phộp chọn Steady state mụ tả sau: Sắp xếp quần thể theo thứ tự độ thớch...

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Tài liệu Steady State Operation of DC Machines pptx

Ngày tải lên : 17/12/2013, 14:15

... winding as well, be supplied with constant DC voltage equal to Vf Current that flows through this winding is in steadystate operation determined with If = Vf /Rf (1) Flux produced in the air gap ... with its torque, called load torque TL  E Levi, 2001 ENGNG2024 Electrical Engineering In any steady- state condition electromagnetic torque and load torque are equal and act in the opposite direction ... given with Ploss = Pin - Pout (10) η = Pout / Pin (11) Equations (1)-(11) completely describe steady- state operation of a DC motor Standard data that are given for a DC motor on its nameplate are...

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Tài liệu TRANSIENT and STEADY STATE THERMAL ANALYSIS OF HEATSINK Pro/ENGINEER and Pro/MECHANICA Wildfire doc

Ngày tải lên : 19/01/2014, 05:20

... Create a Steady State Thermal Analysis From Analysis pull-down menu, select Mechanica Analyses/Studies From File pull down menu, select New Steady State Thermal 28 Name the analysis as Steady_ State ... Click Create a Temperature Fringe Plot 30 Enter Window Name as “temp _steady for temperature distribution Enter Title “ Steady State Temperature Fringe Plot of Heat Sink” Make sure you fill in the ... File Name: transient for the results to be saved OK 26 Click the Close button Save the model Steady State Thermal Analysis Expand the Loads/Constraints in the Model Tree until you see HeatLoad1...

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Tài liệu Báo cáo khoa học: Steady-state kinetic behaviour of functioning-dependent structures docx

Ngày tải lên : 19/02/2014, 06:20

... the ux densities of the processes and their conjugated driving forces [81] Whichever reaction pathway in our system is chosen to connect S1 and S3 (Fig 2), under steady- state conditions the only ... show that the metabolite-induced association of these two enzymes into an FDS [20] may, under steady- state conditions, confer to the FDS basic regulatory kinetic features, that the individual enzymes ... bound to the catalytic site of E1 or of E2, respectively, within the FDS, etc To write down the steady- state conditions of functioning of the system (further details given in Appendix), (i) we assume...

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Tài liệu Báo cáo khoa học: Steady-state and time-resolved ﬂuorescence studies of conformational changes induced by cyclic AMP and DNA binding to cyclic AMP receptor protein from Escherichia coli ppt

Ngày tải lên : 20/02/2014, 23:20

... at an excitation wavelength of 336 nm and an emission wavelength of 490 nm Steady- state uorescence measurements Steady- state uorescence was measured with an Hitachi F-4500 spectrouorimeter All ... insertion of the uorescent probes also did not signicantly alter the biological activity of CRP [20] Steady- state uorescence data The effect of cAMP on tryptophan uorescence was monitored Changes in CRP ... changes allow the protein molecule to switch from the low-afnity and nonspecic DNA-binding state to the state characterized by high afnity and sequence specicity ể FEBS 2003 Conformational changes...

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Tài liệu Báo cáo Y học: Steady-state kinetics of the glutaminase reaction of CTP synthase from Lactococcus lactis The role of the allosteric activator GTP in coupling between glutamine hydrolysis and CTP synthesis potx

Ngày tải lên : 21/02/2014, 15:20

... compensation isothermal titration calorimeter from MicroCal, LLC (Northampton, MA, USA) The steady- state heat evolvement from successive injections of glutamine or GTP was recorded as a displacement ... the phosphorylation step It was found that the E coli enzyme would hydrolyze glutamine at a steady- state rate similar to the rate of GTP-activated CTP synthesis, if the enzyme was incubated in ... will not interfere with the interpretation of the data In this research, we have analyzed the steady state kinetics of the glutaminase reaction of CTP synthase from L lactis in order to distinguish...

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Báo cáo khoa học: A steady-state modeling approach to validate an in vivo mechanism of the GAL regulatory network in Saccharomyces cerevisiae ppt

Ngày tải lên : 07/03/2014, 16:20

... dependent upon the parameter, K, which determines the steady- state concentration of Gal80p in the cytoplasm and the nucleus The above steady- state response methodology to predict in vivo mechanisms ... candidate models We validate the mechanism by comparing the response of the model with experimental steady- state expression of GAL genes in response to galactose The GAL genetic switch The GAL regulatory ... between Gal80p and Gal3p based on translocation and dimerization possibilities of Gal3p The steady- state response analysis rules out dimerization or translocation of Gal3p Further, the analysis...

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Báo cáo khoa học: Modeling of ATP–ADP steady-state exchange rate mediated by the adenine nucleotide translocase in isolated mitochondria potx

Ngày tải lên : 16/03/2014, 00:20

... characterized by two features: transition time from one steady state to another, and levels of the steady states The differences between steady state before and after uncoupler ADP addition may be ... 6943 Modeling of ANT E Metelkin et al steady- state phosphorylation rate than the increase of electric potential and corresponding increase in ATP ADP steady- state exchange rate mediated by the ... dependence of Pi on DpH Fig Titration of ATPADP steady- state exchange rate mediated by ANT with cATR and correlation with DWm (A) ATPADP steadystate exchange rate mediated by ANT determined as...

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Báo cáo khoa học: Pyruvate metabolism in rat liver mitochondria What is optimized at steady state? pptx

Ngày tải lên : 16/03/2014, 14:20

... handles reversible reactions without splitting them into two irreversible ones Elementary ﬂux modes [14], by contrast to extremal currents, are able to deal with both reversible and irreversible ... produce no output because they represent reversible reactions For example, row stands for the reversible reaction of the fumarase and row represents the reversible conversion of citrate to isocitrate ... in Fig The 30 reactions listed in Table 6246 produced 37 extremal currents all fulﬁlling the steadystate condition Note that the algorithm used is based on the Nullspace approach, which eliminates...

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Báo cáo khoa học: A steady-state competition model describes the modulating effects of thrombomodulin on thrombin inhibition by plasminogen activator inhibitor-1 in the absence and presence of vitronectin ppt

Ngày tải lên : 23/03/2014, 17:21

... disappears in time at steady state after the rapid initial increase The pronounced biphasic character of the inhibition proﬁles in Fig 1A–C is explained by the presteady state and steady state phases ... state phases of the reaction that are predicted by the modeling At presteady state free thrombin is quickly captured in the reversible TP complex, which accounts for the rapid decrease of thrombin ... formation of the initial thrombin/PAI-1 Michaelis-type complex, which is predicted during the presteady state phase of the reaction, is dependent on the starting concentration of free thrombin molecules...

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Báo cáo khoa học: Experimental and steady-state analysis of the GAL regulatory system in Kluyveromyces lactis docx

Ngày tải lên : 29/03/2014, 09:20

... reached a steady value after approximately 12 h The steadystate value was obtained by averaging over the last three time points from the individual fed-batch experiment The steady- state values ... systems’ level understanding of its behavior The steady- state model for the GAL system of K lactis was validated experimentally by obtaining steady- state protein expression levels in a wild-type ... and half-saturation constants were obtained by ﬁtting the steady- state protein expressions measured experimentally at various steady- state glucose and galactose concentrations Parameter optimization...

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Báo cáo khoa học: Analysis of the contribution of changes in mRNA stability to the changes in steady-state levels of cyclin mRNA in the mammalian cell cycle doc

Ngày tải lên : 30/03/2014, 20:20

... partially to these variations Results Steady- state levels of cyclin mRNA in the cell cycle In a ﬁrst series of experiments we determined whether mRNA steady- state levels of cyclins and several ... and stability in synchronized mouse lymphoma EL4 cells and 3T3 ﬁbroblasts We analyzed the mRNA steadystate level and half-life of mouse cyclins and a selection of other cell cycle related genes ... enriched in early G1, late G1, S and G2 ⁄ M phase were selected for further analysis (Fig 1A) Steady- state mRNA levels were analysed by real-time PCR By taking the early G1 cells as a refer5218...

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HƯỚNG DẪN STATE FLOW TRONG MATLAB

Ngày tải lên : 20/05/2014, 16:46

... Help, Stateflow Help - the Stateflow web documentation: http://www.mathworks.com/access/helpdesk/help/toolbox/stateflow/ug/index.html?/ 3.1 Creating a Simulink model and introducing a Stateflow ... program that executes a Stateflow chart or a Simulink model that contains a Stateflow chart Stateflow builds a simulation target (sfun) that lets you simulate your Stateflow application in Simulink ... and scroll down to the Stateflow node Select the Stateflow node and follow the links to documentation resources, including real-world example models Stateflow demos — Stateflow provides a collection...

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Báo cáo hóa học: " Procedure for the steady-state verification of modulation-based noise reduction systems in hearing instruments" doc

Ngày tải lên : 20/06/2014, 22:20

... from Table This section proposes a test that addresses the stated requirement Since the scope of this article is limited to steady- state responses of modulation-based noise reduction subsystems, ... tests How to perform the tests is dependent on the chosen test design We can therefore not state a general flow of activities for this part of the procedure We rather use typical experiments to demonstrate ... inherent assumption of this procedure is: after time T the noise reduction subsystem has settled to steady state and maintains it while the signal s continues, such that a frequency response can be measured,...

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Báo cáo hóa học: " Research Article Synthetic Stimuli for the Steady-State Veriﬁcation of Modulation-Based Noise Reduction Systems" docx

Ngày tải lên : 21/06/2014, 22:20

... periods [14] The described procedure requires a steady- state condition of the system under test Therefore all measurements described here are steady- state measurements 3.2 Subband Measurements with ... test stimulus was presented during 15 seconds in order to allow the system under test to reach steady state Bin-by-bin division of FFT absolute values from the second measurement by corresponding ... [21] These windows were taken from the last ﬁve seconds of the test run in order to observe the steadystate condition The result of this measurement is shown in Figure 3: the shown frequency response...

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Báo cáo hóa học: " Research Article Comparison of Gene Regulatory Networks via Steady-State Trajectories" pdf

Ngày tải lên : 22/06/2014, 19:20

... transient and steady- state parts 2.1 Steady- state trajectory Given the understanding that biological networks exhibit steady- state behavior, we conﬁne ourselves to networks exhibiting steady- state behavior ... regulatory mechanisms Disruption of this tight steady- state regulation may lead to an abnormal cellular status, for example, cancer Studying steady- state behavior of a cellular system and its disruption ... deterministic GRNs via their steady- state behaviors This is a reasonable approach because in the absence of external intervention, a cell operates mainly in its steady state, which characterizes...

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Báo cáo hóa học: " Research Article Analysis of Transient and Steady-State Behavior of a Multichannel Filtered-x Partial-Error Afﬁne Projection Algorithm" docx

Ngày tải lên : 22/06/2014, 22:20

... ⎥, ⎥ ⎥ ⎥ ⎦ vec−1 {Fi σ } Steady- state behavior We are here interested in the estimation of the mean-square error (MSE) and the mean-square deviation (MSD) at steady state The adaptation rule ... see that the expressions in (33) and in (34) provide accurate estimates of the steady- state MSE and of the steady- state A Carini and G L Sicuranza Table 3: First eight coefficients of the MMS solution ... converges to a different asymptotic coefficient vector and it provides different values of the steadystate mean-square error and the mean-square deviation If the input signals are stationary and...

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SEDIMENT TRANSPORT – FLOW PROCESSES AND MORPHOLOGY pdf

Ngày tải lên : 29/06/2014, 09:20

... long time intervals result in a quasi -steady flow Flood flows in rivers and surges in power canals are examples of unsteady flows in open channels Unsteady flows are more difficult to solve because ... The flow is steady if dU/dt = at any point in the flow field and it is unsteady if dU/dt ≠ Though the turbulent flow accompanied by the formation of ripples and dunes on the bed is strictly unsteady, ... classification of flow regime a F < has a sub critical flow (tranquil flow) b F = has a critical flow has a supercritical flow (shooting flow) c F > Flow Froude Number (F) is defined as follow: F U...

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