نتایج جستجو برای: increase productivity while maintaining or improving environmental quality (including water

تعداد نتایج: 6069345  

Journal: :مدیریت خاک و تولید پایدار 0
الهام بلور دانشگاه علوم کشاورزی و منابع طبیعی گرگان حمیدرضا عسگری دانشگاه علوم کشاورزی و منابع طبیعی گرگان فرشاد کیانی دانشگاه علوم کشاورزی و منابع طبیعی گرگان

the challenge for today's researchers and practitioners agriculture, increase productivity while maintaining or improving environmental quality (including water, soil and air) to be ¬ rapid population growth and increasing demand for food, researchers are continuing to study the management of high yielding varieties suitable for growing to escape environmental stresses in dry conditions an...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1392

gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...

Journal: :The journal of competency-based education 2021

The advent of COVID-19 and subsequent social disruption has exacerbated existing nursing workforce shortages. As education programs healthcare providers struggle to meet the care needs their respective communities, ever-present challenge replenishing candidates persists—particularly when those face financial hardships complete education. In an effort mitigate hardships, competency-based (CBE) o...

1998
Valerie Kelly

BACKGROUND: While recognizing the economic obstacles that currently block widespread use, many concerned with improving agricultural productivity and food security in Sub-Saharan Africa (SSA) are focusing on fertilizer as a remedy for declining soil quality and stagnant yields. Some have suggested that SSA needs to increase fertilizer use from 9 to at least 30 kg/ha during the next decade. Othe...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

during natural gas processing, water in natural gas may cause to hydrates formation in pipelines which may lead to serious damages to process equipments. given the problems raised by present of water in natural gas, glycol solvent uses to remove water.in contact of glycol with gas always an amount of btex and voc absorb along with water, which on glycol recovery process, these substances separa...

2014
Yuriko Osakabe Keishi Osakabe Kazuo Shinozaki Lam-Son P. Tran

Water stress adversely impacts many aspects of the physiology of plants, especially photosynthetic capacity. If the stress is prolonged, plant growth, and productivity are severely diminished. Plants have evolved complex physiological and biochemical adaptations to adjust and adapt to a variety of environmental stresses. The molecular and physiological mechanisms associated with water-stress to...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - پژوهشکده مهندسی فرایند 1395

abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...

2015
Mārcis Pinnis Raivis Skadiņš

In this paper we share our experience from implementing machine translation in localization into relatively small languages of the three Baltic countries – Latvian, Lithuanian, and Estonian. We describe our approach in improving terminology translation and consistency by preprocessing of the source text and performing term integration. We present results of a formal evaluation of MT impact on t...

Examination of the environmental pollution and the factors influencing it by considering the specific characteristics of each country for acheivment to growth and sustainable development and reduse of emission is very important. this study, investigate the effect of productivity and institutional quality on the quality of the environment by using the panel data analysis for 16 developing countr...

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