Exposure generated by cough released droplets in the indoor environment a comparison among four ventilation systems

... transmission 2.5.2 Inhalation intake fraction Although there is variation in the way these terms are defined across the many disciplines involved in environmental health, most accept that exposure ... measured This might be achieved by using a Breathing Thermal Manikin (BTM) to simulate convective boundary layer generated around heated body and inhalation – exhalation flow in...

Ngày tải lên: 11/09/2015, 10:01

... with the increase in the MT symbol duration) that results from the increase in the number of tones, the performance gain starts to saturate In the practical setting, in increasing the number of tones, ... encountered as the number of tones increases This can be explained in the following way With the increase in the number of tones, the transmitted symbol d...

Ngày tải lên: 22/06/2014, 23:20

... night later RESULTS Plant water status Predawn leaf water potential (ψ of all ) wp decreased rapidly after approxi1 wk of water deprivation Small amounts of water were added to maintain wp ... closure and inhibition of A started between -1.0 and -2.0 MPa in all tested species A and g reached values near to zero when wp ψ attained ≈ -3.0 MPa in Q petr...

Ngày tải lên: 09/08/2014, 03:24

... Therefore, I have decided to choose to research on the topic A Discourse Analysis of English Oscar Acceptance Speeches Delivered by Film Award Winners in the USA It is hoped that the findings of this ... speaking as an acceptance speech: Nowadays, with the integration into the trend of world, award acceptance speeches are not delivered relat...

Ngày tải lên: 26/11/2013, 13:28

... reasons above, in this thesis, the writer would like to make an analysis of errors made by high school students in the use of subject- verb agreement in English writing Aims of the study The study ... description and analysis of students' errors play an important role in the practical teaching and learning, error analysis has been an...

Ngày tải lên: 18/12/2013, 10:04

... 17 AN ANALYSIS OF THE INAUGURAL ADDRESS BY G. W BUSH IN THE U. S PRESIDENTIAL ELECTION 2004 FROM A PERSPECTIVE OF D .A DATA ANALYSIS AND DISCUSSION 3.1 Analysis of data 3.1.1 Lexical choice By referring ... 14 AN ANALYSIS OF THE INAUGURAL ADDRESS BY G. W BUSH IN THE U. S PRESIDENTIAL ELECTION 2004 FROM A PERSPEC...

Ngày tải lên: 18/12/2013, 10:08

... Atlanta, GA 30333 SUGGESTED CITATION Centers for Disease Control and Prevention The role of BCG vaccine in the prevention and control of tuberculosis in the United States: a joint statement by ... Committee and the Advisory Committee for Elimination of Tuberculosis published a joint statement on the use of BCG va...

Ngày tải lên: 15/02/2014, 13:20

... further the positioning of the molecules Results APC-catalyzed inactivation of FVa in the presence of heparin Heparin strongly in uenced the time course of FVa inactivation by wild-type APC (Fig ... Anticoagulant synergism of heparin and activated protein C in vitro Role of a novel anticoagulant mechanism of heparin, enhancement of inactivation...

Ngày tải lên: 19/02/2014, 13:20

... a single band of ~ 36 kDa for all the thrombin forms Effect of pH on thrombin amidase activity and binding of the inhibitor a-NAPAP to the thrombin active site The effects of pH (5.5–10) on the ... conformational transitions linked to its binding are of more limited extension Fig Titration by steady-state fluorescence of Na+ binding to 75 nM...

Ngày tải lên: 07/03/2014, 12:20

... longer observed in the spring but occur in summer because of increased photochemical production of O3 resulting from increased emissions of NOx and VOCs Most crops in the world are grown in summer ... diffuse in the gas phase from the atmosphere surrounding the leaves, through the stomata, become dissolved in water coating the cell walls, and then ent...

Ngày tải lên: 17/03/2014, 19:20

... Academy of Sciences to secure the services of eminent members of appropriate professions in the examination of policy matters pertaining to the health of the public The Institute acts under the responsibility ... from the councils of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine The members of...

Ngày tải lên: 23/03/2014, 01:20

... 116 ⁄ 1992 of the Italian Ministry of Health Focal cerebral ischemia Brain ischemia was induced by MCAo in male Wistar rats (280–320 g) by intraluminal filament, using the relatively noninvasive ... known to protect the brain against focal ischemia [35] In order to investigate the role of the endocannabinoid system in the neuroprotection afforde...

Ngày tải lên: 23/03/2014, 07:20

... our finding of an opposite, favorable direction of the effect of using non-parental childcare may also in part be explained in part by differences in the education level of the mother and the childcare ... in the obesity equation, the effect of childcare decreases from 0.016 to 0.010 and the interaction effects decreased only by 0.001 with...

Ngày tải lên: 30/03/2014, 05:20

... consider an omnidirectional point source at depth z = zs and range r = which radiates a broadband signal in a shallow water waveguide The acoustic field is sampled by a horizontal line array (HLA) of ... here the example of a particular environmental mismatch: error on water depth estimation for data recorded on a horizontal line array The recorded data are...

Ngày tải lên: 22/06/2014, 23:20