effect of he environment on westward expansion
effect of he environment on westward expansion
... themselves, where they settled, and what they did when they got there. This factor, the environment, profoundly affected the settlers way of life, and other factors, such as the Indians and the railroad, ... provider of family comfort and support. Women even faced the grim possibility of giving birth on the trail. The environment also affected the health of the people who lived i...
Ngày tải lên: 21/03/2014, 22:01
Báo cáo y học: " Effect of Weight Reduction on Cardiovascular Risk Factors and CD34-positive Cells in Circulatio"
... an indicator of improvement of vascular health. In our study, we analyzed the effect of weight loss on the improvement of lipid profile in plasma and the increase of the level of CD34+/CD45- ... The effect of the dieting program on the level of cholesterol in plasma. Regression analysis was conducted between body composition parameters and lipid profile pa- ram...
Ngày tải lên: 25/10/2012, 10:51
Effect of sensory education on school children’s food perception: A 2-yearfollow-up study
... which the lessons are attended. The education group was further divided into two subgroups, as the second wave of education was given only to 2/3 of the education group, to examine whether the children ... twice, and between the sessions one group of the children (N = 35) received a lesson on the sense of taste, another group (N = 34) received a lesson on the sense of smell and...
Ngày tải lên: 03/04/2013, 21:07
ảNH HƯởNG CủA MậT Độ GIEO TRồNG ĐếN CáC CHỉ TIÊU SINH Lý Và NĂNG SUấT CủA GIốNG BÔNG VN35KS Effect of Plant Density on Cotton Physiological Characters and Seed
... CáC CHỉ TIÊU SINH Lý V NĂNG SUấT CủA GIốNG BÔNG VN35KS Effect of Plant Density on Cotton Physiological Characters and Seed Cotton Yield of VN35KS Hybrid Dng Xuõn Diờu 1 , Nguyn Quang Thch 2 , ... SUMMARY The effect of planting density on physiological attributes and seed cotton yield was investigated in a field experiment in Ninh Thuan province. In winter-spring dry season...
Ngày tải lên: 28/08/2013, 14:15
Effect of Process Parameters on the Degradation of Polychlorinated Biphenyls in Water Matrix using UV/H2O2
... sampling times. The pH of the samples and the temperature of the solution inside the photoreactor were continuously monitored. The adjustment of the pH of the solution was done using 1.0N NaOH ... H 2 SO 4 . The effect of the initial pH of the solution was evaluated using pH values of 3, 7, 5.8 and 10. For the effect of initial PCB concentrations, H 2 O 2 concentrati...
Ngày tải lên: 05/09/2013, 09:08
Effect of urban emissions on the horizontal distribution of metal concentration in sediments in the vicinity of Asian large cities
... mgZn/kg based on the uniform distribution of these metals in the sediments of the lake. The higher concentration in the northwest part of the lake is probably due to reverse flow of the polluted ... Journal of Water and Environment Technology, Vol.4, No.1, 2006 - 61 - Effect of urban emissions on the horizontal distribution of metal concentration in sediments in th...
Ngày tải lên: 05/09/2013, 09:08
A CFD analysis on the effect of ambient conditions on the hygro-thermal stresses distribution in a planar ambient airbreathing PEM fuel cell
... water content. The net water balance of the cell is a complex coupling of cell self-heating and water production as well as the convection of heat and water vapour to the environment. The temperature ... continuity equation, the mass conservation equation for each phase yields the volume fraction ( ) r and along with the momentum equations the pressure distribution inside the chan...
Ngày tải lên: 05/09/2013, 14:58
Effect of periodic suction on three dimensional flow and heat transfer past a vertical porous plate embedded in a porous medium
... temperature of the flow field at all points. 4. The permeability parameter decreases the x -component and increases the magnitude of z - component of skin friction at the wall. On the other hand, the ... 5. Conclusion From the above analysis, we summarize the following results of physical interest on the velocity and temperature of the flow field and also on skin fricti...
Ngày tải lên: 05/09/2013, 14:58
Indoor tests to investigate the effect of brine depth on the performance of solar still
... examining the effect of climatic, operational and design parameters on its performance. One of the most important of the operational parameters that has received a considerable attention in the literature ... operates using the basic principles of evaporation and condensation. The heat received from solar radiation by the still or from heaters (in the case of the indoor tests...
Ngày tải lên: 05/09/2013, 16:10
The effect of EGR rates on NOX and smoke emissions of an IDI diesel engine fuelled with Jatropha biodiesel blends
... emissions at the expense of increase in smoke, CO and unburned HC emissions. The aim of the current study is to investigate the effect of EGR on performance parameters and exhaust emissions of ... 2076-2909 (Online) ©2011 International Energy & Environment Foundation. All rights reserved. 481 3. Results and discussion The results and discussion based on the effect...
Ngày tải lên: 05/09/2013, 16:11