نتایج جستجو برای: drain conditions

تعداد نتایج: 857504  

2013
Alok Bhargava Frédéric Docquier

Country-level longitudinal data at three-year intervals over 1990–2004 are used to analyze the factors affecting emigration of physicians from Sub-Saharan countries and the effects of this medical brain drain on life expectancy and number of deaths due to AIDS. Data are compiled on emigrating African physicians from 16 receiving Organisation for Economic Co-operation and Development (OECD) coun...

محسن قدسی, , سید فرهاد موسوی, , محمدرضا یزدانی, ,

Cultivation of a second crop in paddy fields of Guilan province is a strategy for optimum use of land, supporting family economy and increasing oil-seed production. However, this is impeded under high rainfall and waterlogging conditions. To enhance second-crop cultivation in paddy fields, surface drainage is inevitable. The surface drainage practices should be performed with minimum costs, lea...

ژورنال: علوم آب و خاک 2007
محسن قدسی, , سید فرهاد موسوی, , محمدرضا یزدانی, ,

Cultivation of a second crop in paddy fields of Guilan province is a strategy for optimum use of land, supporting family economy and increasing oil-seed production. However, this is impeded under high rainfall and waterlogging conditions. To enhance second-crop cultivation in paddy fields, surface drainage is inevitable. The surface drainage practices should be performed with minimum costs, l...

Ali Taatian Davood Salmani Gholamreza Taleghani

Elite migration and brain drain trend in Iran have undergone a dramatic ascent in the past few decades while we are seriously in need of educated manpower to help accomplish the 20-year national vision. So to consider brain drain is necessary and must be accounted by policymakers in all levels. In the upcoming paper, we study the brain drain as a social problem and elaborate a five-dimensional ...

Journal: :Annals of Surgery 2005

2010
Laura C. Bowling Jane R. Frankenberger Sylvie M. Brouder Eileen J. Kladivko

43 A is an important water management practice in the midwestern United States to remove excess water from poorly drained areas and to provide traffi cable conditions for agricultural production. About 30% of the total land area and 50% of the crop land in Indiana is subsurface drained (Economic Research Service, 1987). Th ere are growing concerns about the potential negative environmental impa...

Journal: :iranian journal of management studies 2011
davood salmani gholamreza taleghani ali taatian

elite migration and brain drain trend in iran have undergone a dramatic ascent in the past few decades while we are seriously in need of educated manpower to help accomplish the 20-year national vision. so to consider brain drain is necessary and must be accounted by policymakers in all levels. in the upcoming paper, we study the brain drain as a social problem and elaborate a five-dimensional ...

2011
Adebimpe Wasiu Olalekan

Introduction: As the movement of trained health care personnel out of developing countries in search of greener pastures continues, an end is not yet in view to the weak health systems created by imbalances and costs associated with brain drain in affected countries. The objective of this study is to determine knowledge and attitude of health care workers in Lagos State towards brain drain Meth...

2017
Ajay Kumar Rameshwar S. Kanwar Lajpat R. Ahuja

The Root Zone Water Quality Model (RZWQM, V 3.25) was used to simulate the effect of swine manure applications on nitrate-nitrogen (NO3-N) concentrations in subsurface drain water from continuous corn for Iowa soils. Measured values of subsurface drain flow, NO3-N concentrations in drainage water, and residual NO3-N in the soil profile from three chisel plow plots were available for the growing...

Journal: :The British journal of surgery 2012
S Yamazaki T Takayama M Moriguchi Y Mitsuka S Okada Y Midorikawa H Nakayama T Higaki

BACKGROUND Abdominal drains have been placed prophylactically and removed in liver resection without robust evidence. The present study was designed to establish the optimal time for removal of such drains. METHODS Data on abdominal prophylactic drains were analysed in a consecutive series of patients who underwent liver resection for malignancy between 2006 and 2009. Bilirubin levels in drai...

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