... gives the steady- state rate The assay conditions were as described above for the spectrophotometric assays The molar reaction enthalpy, DH, of glutamine hydrolysis or CTP synthesis under the ... place under these conditions before and after injection of glutamine and prior to kinetic experiments, it will not interfere with the measurements as this hydrolysis is slow and steady- state ... would hydrolyze glutamine at a steady- state rate similar to the rate of GTP-activated CTP synthesis, if the enzyme was incubated in the presence of GTP, UTP and the nonhydrolyzable ATP analog ADPNP...
Ngày tải lên: 21/02/2014, 15:20
... between fallers and non- fallers under single-task conditions (Table 3) However, there was a significant difference (P B/ 0.05) between the fallers and non- fallers under dual-task conditions for cadence, ... when they walked freely under dual-task conditions, no difference being observed when they walked under single-task conditions Gait analysis under dual-task conditions appears to unmask subclinical ... step length (P 0/0.04) The cadence was significantly slower (9 steps/ min) under dual-task conditions than under singletask conditions Similarly, walking speed was significantly slower ( (/0.12 m/s)...
Ngày tải lên: 28/03/2014, 20:20
Stone Stability Under Non-uniform Flow- Sự ổn định của viên đá gia cố đáy dưới tác động của dòng chảy không đều
... level) for a variety of ow conditions - uniform and non- uniform For non- uniform ow, it is important that the mobility parameter is dependent on the local hydrodynamic conditions (Hoand, 2005) Mosselman ... and the stability state of bed material is not clear 2.4.4 The Hoand stability parameter Hoand (2005) proposed a method for evaluating the stability of bed protections under non- uniform ow using ... condition, bed protection, bed damage, non- uniform ow, turbulent ow, decelerating ow This thesis should be referred to as: Hoan, N T (2008) Stone stability under nonuniform ow Ph.D thesis, Delft University...
Ngày tải lên: 07/11/2012, 11:04
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
... 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...
Ngày tải lên: 05/12/2013, 13:30
Tài liệu Steady State Operation of DC Machines pptx
... Separately excited DC motor, 230 V, armature resistance = 0.2 Ω, operates under no-load conditions at 1200 rpm Under rated conditions armature current is 40 A Find the rated speed and rated electromagnetic ... 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...
Ngày tải lên: 17/12/2013, 14:15
Tài liệu TRANSIENT and STEADY STATE THERMAL ANALYSIS OF HEATSINK Pro/ENGINEER and Pro/MECHANICA Wildfire doc
... 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 ... Problem Statement An engineer must attach copper heat sink to a CPU The heat sink will be subjected to a time varying 50 Watt load and a constant convection of 100W/mC The time required to reach steady ... 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 following form (window)...
Ngày tải lên: 19/01/2014, 05:20
Tài liệu Báo cáo khoa học: Steady-state kinetic behaviour of functioning-dependent structures docx
... reaction pathway in our system is chosen to connect S1 and S3 (Fig 2), under steady- state conditions the only molecules that undergo transformation are S1 and S3 while the other molecules remain ... 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 ... generate regulatory kinetics via the enzymeenzyme interactions that constitute them In the following, we have endeavoured to test this prediction by numerically studying the steady- state kinetics of...
Ngày tải lên: 19/02/2014, 06:20
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
... 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 ... that these 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 ... 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...
Ngày tải lên: 20/02/2014, 23:20
Báo cáo khoa học: A steady-state modeling approach to validate an in vivo mechanism of the GAL regulatory network in Saccharomyces cerevisiae ppt
... 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 ... Gal4p–Gal80p complex to initiate transcription However, Peng & Hopper have recently demonstrated under in vivo conditions that Gal3p is a cytoplasmic protein, whereas, Gal80p is present both in the nucleus...
Ngày tải lên: 07/03/2014, 16:20
Báo cáo khoa học: Modeling of ATP–ADP steady-state exchange rate mediated by the adenine nucleotide translocase in isolated mitochondria potx
... 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...
Ngày tải lên: 16/03/2014, 00:20
Báo cáo khoa học: Pyruvate metabolism in rat liver mitochondria What is optimized at steady state? pptx
... fulfilling the steadystate condition Note that the algorithm used is based on the Nullspace approach, which eliminates all independent species automatically Therefore conservation conditions like ... 45 78 ICI 38 50 10 MAL AKG 34 18 F UM 43 28 SUC 28 SucCoA 10 Fig Free, unconstrained flows at steady state This diagram was constructed by using the information contained in the extremal currents ... the first nine rows of H state the obvious fact that all metabolites except pyruvate can only be produced but never consumed by the network Only the last two rows of H give nontrivial constraints...
Ngày tải lên: 16/03/2014, 14:20
Being Born Under Adverse Economic Conditions Leads to a Higher Cardiovascular Mortality Rate Later in Life: Evidence Based on Individuals Born at Different Stages of the Business Cycle pdf
... CV mortality if the individual is born under adverse economic conditions Individual-specific factors dominate stronger the individual in born under better conditions This is an interesting result ... factors are more important if the individual is born under adverse economic conditions Conversely, if the individual in born under better conditions then individual-specific factors dominate more ... with this methodological problem by using the state of the business cycle at early ages as indicators of early-life conditions Transitory macroeconomic conditions during pregnancy of the mother and...
Ngày tải lên: 17/03/2014, 08:20
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
... 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 ... the thrombin/PAI-1 inhibition kinetics The extremely fast formation of the initial thrombin/PAI-1 Michaelis-type complex, which is predicted during the presteady state phase of the reaction, is ... transportlimited, precluding exact determination of the rate constants for this interaction under these conditions Alternatively, an estimate of koff can be given using the half time of thrombin/TM...
Ngày tải lên: 23/03/2014, 17:21
Báo cáo khoa học: Experimental and steady-state analysis of the GAL regulatory system in Kluyveromyces lactis docx
... to compare the steady- state performances of the networks in S cerevisiae and K lactis in response to galactose and glucose We used a steady- state modeling approach to quantify the underlying molecular ... and to obtain a 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 ... 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...
Ngày tải lên: 29/03/2014, 09:20
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
... 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...
Ngày tải lên: 30/03/2014, 20:20
báo cáo hóa học: " Health state utilities for non small cell lung cancer" pot
... using health state descriptions of responding, stable (intravenous (IV) and oral treatment presented separately) disease, progressive disease and a state describing end of life The health states were ... Preferences for each health state were elicited from a representative group of members of the general public in the UK Methods Development of health states Existing health state descriptions of metastatic ... figure 1) The health states were produced for a societal valuation study, to be rated by men and women, and were therefore designed to be easily understandable The health states were designed...
Ngày tải lên: 18/06/2014, 19:20
báo cáo hóa học:" Development of an in vitro three dimensional loading-measurement system for long bone fixation under multiple loading conditions: a technical description" potx
... randomized 3-cycle non- destructive load tests (n = 20) Eight osteotomies were then converted to mm ostectomies, reinstrumented, and subjected to the same sequence of 3cycle non- destructive load ... desired "pure" component of load Measured stiffness Each intact radius was subjected to a 3-cycle non- destructive random sequence of load modes: axial compression, torsion, and CrCa and LM bending ... assumed to calculate a range of theoretically predicted stiffness values that would account for the non- uniform shape of the radius The measured cross section diameters and published bone biomechanical...
Ngày tải lên: 20/06/2014, 01:20
Báo cáo hóa học: " Procedure for the steady-state verification of modulation-based noise reduction systems in hearing instruments" doc
... suitable for testing the system under realistic conditions It is therefore a prerequisite for the procedure to have requirements toward the system under test stated in a technical, measurable ... performance characteristics of the system under development are re-assessed after implementation changes Typically, additional tests under realistic conditions (e.g., a clinical trial) are needed ... response of a system under test can be time varying and it may be desired to track the corresponding variations over time The NLMS algorithm can achieve this under certain conditions and is therefore...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: " Stability of a nonlinear non-autonomous fractional order systems with different delays and non-local conditions" pot
... this article as: El-Sayed and Gaafar: Stability of a nonlinear non- autonomous fractional order systems with different delays and non- local conditions Advances in Difference Equations 2011 2011:47 ... stability conditions for fractional order systems, under commensurate order hypothesis Abd El-Salam and El-Sayed [13] proved the existence of a unique uniformly stable solution for the non- autonomous ... problem (1)-(3) is uniformly stable ˜ Proof Let x(t) and x(t) be two solutions of the system (1) under conditions (2)-(3) β x(t)| and {I ˜ t=0 = 0, x(t) = ˜ (t), t < and limt→0 ˜ (t) = O}, respectively...
Ngày tải lên: 20/06/2014, 22:20