Analysis on influence of long vertical grounding electrodes

... 10m and the buried depth of the horizontal grounding grid is 0.6m The number of vertical grounding rods are The influence of the vertical grounding rod length on the grounding resistance decreasing ... Fig.4 IV ARRANGEMENT OF VERTICAL GROUNDING RODS IN THE NONUNIFORM SOIL The arrangement of long rods in the nonuniform soil from the point of dispersed current...

Ngày tải lên: 26/11/2015, 09:40

... Cite this article as: Zhou et al.: Influence of viral hepatitis status on prognosis in patients undergoing hepatic resection for hepatocellular carcinoma: a meta-analysis of observational studies ... C-related hepatocellular carcinoma; NBNC-HCC = no infection of HBV or HCV related hepatocellular carcinoma; AFP = alpha fetoprotein; ALT = alanine aminot...

Ngày tải lên: 09/08/2014, 02:21

... with the pressure- volume method on leafy shoots of oak spe- cies growing under a given set of environmental conditions Before undertaking interspecific comparisons, the effects of rehydration techniques ... and possibly mineral nutrition may also have a strong effect on water relation parameters These results indicate that further data concerning drought preconditionin...

Ngày tải lên: 09/08/2014, 03:24

... communicative situations in which teachers intend to focus on the correct use of certain conjunctions For example, following the explanation and identifying error exercises on the use of causal conjunctions, ... focuses on certain conjunctions when teaching students the target language Errors in the use of adversative and causal conjunctionsare more prob...

Ngày tải lên: 23/04/2015, 10:03

... information was obtained from the organizations’ memoranda and informational materials Limitations This research is only a preliminary step in investigating the influence of state interventions ... government in a totalitarian state, through the case of China Further, I will delve into the deeper side of the society and find out the reasons behind the correlat...

Ngày tải lên: 04/10/2015, 10:23

... biomaterials, different combinations of bone grafts and systemic supportive therapy alternatives are important areas of research Hyperbaric oxygen therapy (HBOT) is a mode of medical treatment in which the ... on the healing of bone lesions in different anatomical regions with ischemic perfusion, the current knowledge about its influence on bone graft...

Ngày tải lên: 25/10/2012, 11:15

... mechanism of action of all NSAIDs is the inhibition of the biosynthesis of prostaglandins by blocking the activity (selectively and/or non-selectively) of two isoforms of cyclooxygenase enzyme (COX-1 ... gastrointestinal tract [17] Gastric ulceration induced by oral administration of flurbiprofen was significantly decreased by the presence of CDs, in particular by β-CD...

Ngày tải lên: 26/10/2012, 08:57

... is a glycosylated cell surface transmembrane protein expressed on antigen-presenting cells and constitutively expressed on monocytes Expression of HLA-DR by monocytes is essential for the presentation ... post-translational modification of HLA-DR which may be responsible for a lowered cell surface expression of HLA-DR preventing expression to the cell surface and...

Ngày tải lên: 03/11/2012, 09:57

... causal relation in English The confusion in the use of ‘so’ and ‘so that’ results in 14 errors among 25 errors in the use of conjunctions in the students’ works They may think that ‘that’ is used ... students majoring in English at Thang Long University Thus, it aims to seek answers to the following questions: What are common errors in the use of...

Ngày tải lên: 07/11/2012, 14:12

... the investigation include, (1) the influence of an increase in surface area and porosity of streamside on the amount and succession along with the downstream distance of aquatic biota in each ... inhibitors CONCLUSIONS Through test channel experiments an investigation was performed on the influence of differences in the surface area of the streamside in a...

Ngày tải lên: 05/09/2013, 08:40

... determine the effect of the number of the ventilation pipes on the composting rate, an attempt was made to correlate the composting rate with the number of the perforated pipes for air supply in the ... ventilation effect by the natural convection (Shimizu and Morita, 1962) However, there have been no studies of the effect of the verti...

Ngày tải lên: 05/09/2013, 08:40

... initial propionate concentrations on hydrogen production from pineapple waste extract by R rubrum was investigated Results showed that nitrogen levels and initial concentrations of propionate significantly ... mM) and initial concentrations of acetate on hydrogen production by R rubrum under continuous illumination Symbols: Acetate ( ), propionate...

Ngày tải lên: 05/09/2013, 09:08

... The concentrations of DP weren't diluted in the period even though the concentration of DP in precipitation was as low as 0.008 mg/L Runoff loadings of phosphorus from the agricultural areas ... DISCUSSION Concentrations of phosphorus in the rivers The mean value and coefficients of variation (CV) of the concentrations of P in the study period are shown in Table Figu...

Ngày tải lên: 05/09/2013, 09:08

... simulation software EPANET to solve the optimal operation model of mixed-pump stations with the operating-mode adaptability The outlet flow QPi , j of each pump station is taken as the decision variable ... optimization is 3.84%, so the water supply requirement can be satisfied Fig.4 - The Outlet Flow for Each Pump Station of the First and Second Optimizati...

Ngày tải lên: 05/09/2013, 09:38

... 46.9% of the variation and the Y axis accounted for 16.7% of the variation Water components in the figure are written as ions Concentrations of various nutrients are converted to those of nitrogen ... DP The X axis shows the contribution of the water component sources The two right quadrants (positive on the X axis) show high contribution from springs The t...

Ngày tải lên: 05/09/2013, 09:38