10 detect the effect of cognitive function on cerebral blood flow

... [kg/(m⋅s)] The mass balance is described by the divergence of the mass flux through diffusion and convection Multiple species are considered in the gas phase only, and the species conservation equation ... channel, the gas -flow field is obtained by solving the steady-state Navier-Stokes equations, i.e the continuity equation, the mass conservation equation for each phase yields the volume fraction (r ... rupture of the membrane Thermal management is also essential for the control of the water evaporation or condensation rates [1-3] The need for improved lifetime of air-breathing proton exchange...

Ngày tải lên: 05/09/2013, 14:58

... depth) The objective of this work is to investigate the effect of brine depth on the productivity and efficiency of solar still under laboratory conditions Table shows a summary of some of the studies ... in the literature that examined the effect of brine depth on productivity It can be seen from the table that some conflict on the effect of brain depth exists All investigators apart from [10, ... turning the heaters off On the other hand, the still with the higher brine depth has a larger production during the period with no heat input (termed as nocturnal production in the outdoor tests) These...

Ngày tải lên: 05/09/2013, 16:10

... environmental protection aspect Rajan et al [5] studied the effects of EGR on the performance and emission characteristics of a compression ignition (CI) engine fuelled with sunflower biodiesel The ... to the reduction in oxygen concentration in the combustion chamber [5,16,24,25,26] The NOX emission increased with increasing biodiesel amount in the blends In addition, the NOX emission of JBD ... CO2 emission increased with increasing biodiesel amount in the blends More amount of CO2 in the exhaust emission is an indication of complete combustion of fuel [13,21] The CO2 emission of DF increased...

Ngày tải lên: 05/09/2013, 16:11

... Hai_Trung-Anh strongly, and many buildings and big houses are grown up a lot.Morever, the growth of economy has given a lot of advantages by making people richer, healther, and freer to enjoy their lives.I ... of advantages by making people richer, healther, and freer to enjoy their lives.I always pride of my city whenever I talk about him.I wished that could work at my hometown after finishing at...

Ngày tải lên: 18/01/2014, 07:20

... score belongs to the intersection of the supports of the propensity score of treated and controls Imposing the common support condition in the estimation of the propensity score may improve the quality ... wedlock.2 If the characteristics of the parents and their relationship that determine the risk of union dissolution also affect child wellbeing, then estimates of the effect of separation on child ... are of “other” race/ethnicity - Mother = white, Father = non-white - Mother = black, Father = non-black - Mother = Hispanic, Father = non-Hispanic - Mother = other, Father = other Parents’ Region...

Ngày tải lên: 12/02/2014, 11:20

... was synthesized successfully by co-precipitation method X-ray diffraction study shows the presence of cubic spinel The increase of Co2+ ion concentration yields the monotonic increase of MS, ... part of several tens percent of HC and the last one whereas can only reach several hundreds of gauss Thus, the increasing of Co-concentration led to the increasing of anisotropy property of ferrites ... temperature.These plots show that an increase in Co2+ doping yields monotonic increase in the saturation magnetization of Niferrite which may be due to the substitution of Ni2+ ions by Co2+ on the octahedral...

Ngày tải lên: 13/02/2014, 04:20

... list of centering candidates; the Cb, at the head of Cf, is the current center of attention After each utterance, one of three operations are possible: * The Cb retains both its position at the ... effect is attentional, on the order of items in Cf; (2) the obligation to accent a pronominal for attentional r~asons depends on the variance between what the text predicts and what the speaker would ... accents on pronominals are primarily interpreted for what they say about attentional salience One determiner of whether attentional or propositional effects are dominant is the type of information...

Ngày tải lên: 20/02/2014, 22:20

... Quantification of the proteolytic susceptibility of RNase A To gain further insight into the changes of the proteolytic susceptibility of RNase A as a function of trifluoroethanol concentration, the proteolytic ... unveil the disruption of the tertiary structure of RNase A in > 30% trifluoroethanol CD spectra in the far-UV region, on the other hand, indicate a detectable increase in the content of secondary ... whether the differences in the changes of the tertiary and secondary structures are reflected in the activity of RNase A, its activity towards cCMP was measured as a function of the concentration of...

Ngày tải lên: 22/02/2014, 07:20

... awareness of monetary policies in the workplace The second objective is obtained from the questionnaire The research will give the common test about the application of monetary incentive in the Vietnamese ... company, the survey questions can be same for both of them to find out the effect of monetary incentive on their effort and task performance Survey questions only continue to be conducted if and only ... this was the premise of the appearance of the term “motivation” and then it has rapidly become one of the most common concepts in everyday language Nowadays, it is a concerning issue of almost...

Ngày tải lên: 13/03/2014, 14:20

... norm  of the South‐East  Region  and  equal 1/3 of the Mekong Delta. This situation  is a pressure on suburban farmers in keeping  agricultural production [6].  According to the investigation of Institute  ... drainage,  but  constructing  and  concretization  process  made  flow to  convergent narrow sewerages; or the altitude  raise  of new  urban  areas  caused  concentration  of water  flow in  lower  ... suburban districts. This causes the prodigality  in land use of the city.  directions,  but  it  was  mainly  concentrated  in  the North,  West  and  East  of the city  and  along the main roads. In the upcoming years, ...

Ngày tải lên: 14/03/2014, 15:20

... Managers consider the effect of 104 P.M Healy, Effect of bonus schemes on accounting decisions alternative accounting methods on the present value of their bonus awards However, the effect of a procedure ... price? Second, what are the other incentive effects of bonus contracts? Finally, P.M Healy, Effect of bonus schemes on accounting decisions 107 what are the joint incentive effects of bonus schemes ... change The test mitigates one of the limitations of the contingency tests The proxy for the managers' accounting decisions in those tests, the effect of an accounting procedure change on bonus...

Ngày tải lên: 15/03/2014, 16:20

... and the spectral shape are determined by the concentration ratio of these two components while the PL intensity is determined by the concentrations of these two components and the density of nonradiative ... 175–184 Therefore, the main role of hydrogen here is the effective passivation of nonradiative recombination centers 3.4 The effect of annealing times upon 400 8C annealing Fig The dependence of the ... increases their amount The actual PL is determined by both the concentrations of PL centers and of nonradiative recombination centers This leads to the much strong enhancement of PL in the case of FG...

Ngày tải lên: 16/03/2014, 15:31

... demonstrating the ability of the HAMP domain region to regulate AC activity The effect of the HAMP domain on the CHD of Rv1319c was much less pronounced, supporting the earlier notion of a distinct ... domain function in the context of mycobacterial class IIIb ACs The isolated CHDs of all four isoforms were purified and had AC activity in vitro Inclusion of the N-terminal HAMP-region enhanced the ... HAMP-domain which is part of the region connecting the membrane anchor to the catalytic domain (CHD) Secondary structure prediction suggested that the second amphipathic helix of the HAMP domain is...

Ngày tải lên: 23/03/2014, 12:20

... based on one of three regression methods: robust regression, nonnegative least squares, or canonical correlation The regressions are calculated based on a collection of linguistic and content features, ... the area of summarization evaluation We considered two ways of measuring assessor consistency, depending on the metric, and studied the impact of consistent scoring on ranking summarization systems ... While none of the changes are large enough to achieve statistical significance, the pattern of improvement is fairly consistent Conclusions We investigated the consistency of human assessors in the...

Ngày tải lên: 30/03/2014, 17:20

... 463 The initiation portion of life (N ) is estimated using strain-control faigue data and is considered to consist of the number of cycles for the initiation of a fatigue crack(s) and its (their) ... higher values of Kfmax for the same weld shape In addition, Kfmax depends upon the shape of the weld and the type of loading to which it is subjected (a), and upon the size or scale of the weldment ... experimental results and predictions of the effects of shot peening on the fatigue resistance of ASTM A514 weldments using Eqs and 10 is given in Fig 11 The predicted lives of the shot-peened and as-welded...

Ngày tải lên: 24/05/2014, 20:36

... changes the firm’s ratio of the expected future cash flows to the covariance of these cash flows with the sum of all the cash flows in the market They show that this effect can go in either direction, ... clients of Second-Tier audit firms is compared to the cost of capital of Big-audit firms in terms of the expected effect of the level of audit quality provided on the cost of capital The cost of capital ... and other variables that constitute the relationship between the auditor and the client This study specifically examines the effect of the recent changes in the accounting profession on Second-Tier...

Ngày tải lên: 03/06/2014, 02:15

... to control for other confounding variables as well as the detection and evaluation of any interaction effect between groups and time/intervention Conclusions In conclusion, our study demonstrated ... the presence of one of the vascular surgeons when they were seen and evaluated in the vascular clinic, while control subjects gave informed consent in the presence of one of the secondary investigators ... muscular contractions at the hip during walking Furthermore, the maximum knee extension moment is related with the development of the muscular contraction required to extend the knee and move the entire...

Ngày tải lên: 19/06/2014, 08:20

... (time to onset of EMG and peak EMG) were referred to the solenoid of the piston firing The time of the peak accelerations of sled and head were measured Also, the time relations of the onset and ... acceleration used in the study The purpose of the regression analysis was to see if using the acceleration of the sled – one could predict the head acceleration and EMG response The regression analysis ... measured by dropping the ascending slope line on the base line The point of intersection of these lines was considered as onset of acceleration In the analysis, the sample of volunteers was collapsed...

Ngày tải lên: 19/06/2014, 10:20

... positions were randomly varied between the levels of acceleration Each subject effectively underwent levels of accelerative impacts under two conditions of trunk flexion, for one direction of impact ... Journal of NeuroEngineering and Rehabilitation 2006, 3 :10 http://www.jneuroengrehab.com/content/3/1 /10 y z x Trunk Flexion to the Right Trunk Flexion to the Left Figure Illustration of the positioning ... in response to the applied acceleration were calculated Additionally, we also regressed the EMG magnitudes on acceleration The http://www.jneuroengrehab.com/content/3/1 /10 responses of the left...

Ngày tải lên: 19/06/2014, 10:20