the global challenge of human immunodeficiency virus hiv infection

... of inorganic arsenic In the second row they were given 500 μg of MMAs In the third row they were given 500 μg of DMAs Their urine was collected over a 14 day period and the number of μmoles of ... changed in any of the 12 model experiments shown in Figure Note that the scales on the y axes differ in the different panels of Figure The model predictions of the time courses of excretion rates ... is the first step in our project, since it will enable us to connect the dynamics of the methylation reactions in the liver to the presence of arsenicals in the blood and the urine where they...

Ngày tải lên: 13/08/2014, 16:20

... the fuel cell relies on the ambient relative humidity and water production in the cathode for the humidification of the membrane; (x.) the circulating ambient air facilitates the cooling of the ... kg is gases thermal conductivity (W/(m.K)) The gas phase and the liquid phase are assumed to be in thermodynamic equilibrium; hence the temperature of the liquid water is the same as the gas phase ... [W/m2] and the specific surface area [m2/m3] of the porous medium [17] Hence, the unit of β is [W/m3] The gas phase and the liquid phase are assumed to be in thermodynamic equilibrium, i.e., the liquid...

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 ... that of greater thickness, but the productivity diminishes rapidly after turning the heaters off On the other hand, the still with the higher brine depth has a larger production during the period ... as nocturnal production in the outdoor tests) These values are the initial value of the production line in the figures This may be due to the large thermal capacity of water, which is directly...

Ngày tải lên: 05/09/2013, 16:10

... across the orifice plate, to measure the pressure difference inside the inlet pipe and the atmosphere The coefficient of discharge of the orifice is determined experimentally to be 0.603 Simple software ... DF without EGR They concluded that the use of EGR with biodiesel was able to reduce NOX emissions at the expense of increase in smoke, CO and unburned HC emissions The aim of the current study ... 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 slightly, when EGR was operated While, the CO2...

Ngày tải lên: 05/09/2013, 16:11

... 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 always pride of my city whenever I talk about...

Ngày tải lên: 18/01/2014, 07:20

... are of other race, mother is white (not father), mother is Hispanic (not father), mother is of other race (not father), mother is foreign-born (not father), father is foreign-born (not mother), ... 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 of the ... parents 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’...

Ngày tải lên: 12/02/2014, 11:20

... of ferrites Ni1-xCoxFe2O4, hence it was the increasing of HC The increasing of HC proved that the soft magnetic property of ferrite NiFe2O4 changed to the hard magnetic property of ferrite CoFe2O4 ... (3) where B2θ is the full width half maximum (rad), λ the wavelength of the X-ray, θ the angle between the incident and diffracted beams (degree) and d the particle size of the sample (nm) (in ... materials, the second term can take 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...

Ngày tải lên: 13/02/2014, 04:20

... - - the forward.looking center list (Cf) and the backward-looking center (the Cb) Cf is a partially ordered list of centering candidates; the Cb, at the head of Cf, is the current center of attention ... utterance, one of three operations are possible: * The Cb retains both its position at the head of Cf and its status as the Cb; therefore it continues as the center in the next utterance • The Cb retains ... r~asons depends on the variance between what the text predicts and what the speaker would like to assert about the order of items in Cf These hypotheses arise from the following chain of assumptions:...

Ngày tải lên: 20/02/2014, 22:20

... Both the slight shift of the emission maximum to a shorter wavelength and the strong increase of the fluorescence signal indicate changes of the tertiary structure of the RNase A molecule Furthermore, ... 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 ... the decrease of the activity of RNase A precedes the disruption of the tertiary structure Apart from a slight activation, an effect which was also reported for other enzymes in the presence of...

Ngày tải lên: 22/02/2014, 07:20

... duties in the company All of them are utility maximizes; therefore, there is no ground to believe that they will act on the interest of the company On the other hand, it is not easy to mediate these ... the importance of influencing workers to accomplish task performances Many years later, this was the premise of the appearance of the term “motivation” and then it has rapidly become one of the ... For owners, they should be especially aware of the importance of motivation because only if they understand the importance of it, then can they implement incentive policy to motivate their employees...

Ngày tải lên: 13/03/2014, 14:20

... useful  to  consider  the historical development of a region. This study  uses the Landsat TM and ETM+ to extract the built‐up  land  in  the city  and  evaluate  the change  of agricultural  ... urbanization in Ho Chi Minh City.  2. The study area  Ho  Chi  Minh  City  has  a  very  favorable  geographical location in the centre of the rich  Southern  region  with  many  resources.  The city  has  the common  ... among  them  45%  is  the agricultural  land.  The land  of the city  is  formed  by  old  and  recent  alluvions,  having  poor  fertility  of soil,  not  suitable  for  development of annual crop production [5]. ...

Ngày tải lên: 14/03/2014, 15:20

... multiplied by the average number of shares of the Corporation's common stock outstanding at the close of business on each day of the year' The upper bound is commonly written as a function of cash ... by the book value of total assets at the end of each company-year 1° are also displayed for 1°Accruals are also deflated b y sales and the book value of assets at the beginning of the year The ... value of their bonus awards However, the effect of a procedure change on the accounting numbers is only publicly disclosed for the year of the change This proxy therefore fails to control for the...

Ngày tải lên: 15/03/2014, 16:20

... during the decay process of the PL centers (blueshift of the PL), a short time annealing causes the recovery of the PL centers (re-redshift of the PL) This leads to the spectral shift and the peak ... since the blueshift of the PL accompanies the decrease of the nc-Si size (Fig 2b–d) However, due to the coexistence of two PL centers, the explanation of spectral change is much more complicated 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 recombination centers The increase of the PL...

Ngày tải lên: 16/03/2014, 15:31

... classification of chest lesions was made following the guidelines of the National Tuberculosis Association of the USA (1961) All the chest radiological assessments were done by one of the chest physicians ... blinded regarding the contents of the capsules The supplements were distributed sequentially according to the code number of the packets Symptoms of gastrointestinal upset, such as loss of appetite, ... growth of a virulent strain of M tuberculosis in the spleen and lungs of female Balb/C mice It was concluded that an excess of Fe might enhance the growth of M tuberculosis and worsen the outcome of...

Ngày tải lên: 22/03/2014, 18:20

... 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 activity of the CHD of Rv3645 by more than an order of ... between the two catalytic centers (Table 1) Taken together it appears that the HAMP regions modulate the AC activity of the CHDs in a rather distinct manner Next we examined the role of the HAMP ... in substrate affinity between the isoforms and the known differences of metal-cofactor affinity of mammalian AC isoforms [16] prompted us to investigate the metal-cofactor dependence in detail...

Ngày tải lên: 23/03/2014, 12:20

... order to predict the human metrics in 2011, for example, CLASSY uses the human ratings from 2009 and 2010 It first considers each subset of the features in turn, and using each of the regression ... significance, the pattern of improvement is fairly consistent Conclusions We investigated the consistency of human assessors in the area of summarization evaluation We considered two ways of measuring ... Evaluating content selection in summarization: The Pyramid method Proceedings of the Human Language Technology Conference of the North American Chapter of the Association for Computational Linguistics,...

Ngày tải lên: 30/03/2014, 17:20

... a function of the initial hardness of the peened metal {Fig 8} The fatigue properties of' b and k were estimated from the hardness of the peened material at the weld toe at a depth of 200 ~m: ... 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 (t) Using Eq and the ... pocket or deep notch, the size of the initiated crack length (ai) may be taken as the dimension of the defect Thus, the fatigue crack propagation life {Np} may be calculated taking the defect size...

Ngày tải lên: 24/05/2014, 20:36

... 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 is split into ... 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, ... with the cost of equity 10 The results of the last part of this study, which investigates whether there is a relationship between clients of Second-Tier audit firms and the backdating of ESOs,...

Ngày tải lên: 03/06/2014, 02:15

... stance and the increased range of motion during stance, are affected by changes that occur further up in the kinetic chain at the hip joint The Page of increase in the range of motion of the ankle ... the area of the leg most likely affected by ischemia since the blood must travel farther to reach the lower part of the leg The abnormal biomechanical parameters at the ankle, including the decreased ... utilizing the same kinematic and kinetic biomechanical measures to assess the impact of pharmacological treatment of PAD patients Therefore, the purpose of this study was to determine the impact of...

Ngày tải lên: 19/06/2014, 08:20