نتایج جستجو برای: conservation and management of water resources

تعداد نتایج: 24149516  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1392

بررسی رابطه بین یادگیری سازمانی و توانمندسازی مدیران و معاونین مدارس شهرستان میانه دکتر محمد اورکی1، دکتر هاشم نعمتی، گلسیما عزیزی* استادیار گروه علوم تربیتی ، دانشگاه پیام نور تهران جنوب استادیار گروه علوم تربیتی. ، دانشگاه پیام نور مشهد دانشجوی کارشناسی ارشد مدیریت آموزشی ، دانشگاه پیام نور تهران جنوب [email protected] میانه- دانشگاه پیام نور میانه مدیر آموزشی، 2226062 – 0423، ت...

Journal: :بهره برداری و پرورش آبزیان 0
افشین عادلی دانشگاه گرگان ارغوان معماری -

abstract nowadays, the management of water resources by planning through appropriate site selection, fish species storage and selection, enforcement and providing various side services has become a profitable, entrepreneurial and fun process. survey and usage of development of fee-fishing experience in the world wide represent a model in order to a better economical and fun plan offers and envi...

Journal: :تحقیقات آب و خاک ایران 0
محمدحسن قره داغی کارشناس ارشد دانشکدة فنی و مهندسی دانشگاه بین‏المللی امام خمینی(ره)، گروه مهندسی آب پیمان دانش کار آراسته استادیار دانشکدة فنی و مهندسی دانشگاه بین‏المللی امام خمینی(ره) عبدالمجید لیاقت استاد دانشکدة مهندسی و فناوری کشاورزی دانشگاه تهران عباس ستوده نیا استادیار دانشکدة فنی و مهندسی دانشگاه بین‏المللی امام خمینی(ره)

the management of water table is introduced as one of the major parts of the solutions in water resources management. this method could play a significant role in protecting water resources, increasing irrigation efficiency, preserving nutrients in soil, and protecting the quality of surface downstream, and as well, of groundwater. towards this end, a laboratory study has been done on the effec...

Journal: :journal of rangeland science 2014
ata elmi ali ashraf jafari amin farnia mohammad bakhtiari

the objectives of this research were to study the varieties and relationships of yield and quality traits under two harvesting management procedures concerning forage dry matter (dm yield) and 5 quality traits such as dry matter digestibility (dmd%), water soluble carbohydrates (wsc%), crude protein (cp%), acid detergent fibre (adf%) and total ash in tall wheatgrass (agropyron elongatum). in th...

Journal: :international journal of environmental research 0

groundwater is the main source of potable water in most areas of mazandaran province, like sari and babol city. thus the safety of groundwater supplies is very important in these regions. unfortunately attention to groundwater quality has remained limited in iran. in recent years, the growth of industry, technology, population, and water use has increased the stress upon both land and water res...

Journal: :تحقیقات اقتصادی 0
علی کرامت زاده گروه اقتصاد کشاورزی، دانشگاه علوم کشاورزی و منابع طبیعی، گرگان امیرحسین چیذری گروه اقتصاد کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشکدة اقتصاد و توسعة کشاورزی غلامعلی شرزه ای گروه اقتصاد، دانشگاه تهران

policy makers have taken into less consideration the market mechanism in the allocation of water resources, contrary to its long role and precedent in allocation goods and resources. the market mechanism is used in many regions of world for water management to increase the water scarcity certainly, but historical form of acquiring water resources didn’t lead to a proper market so economic price...

2005
Thomas Pagano Jennifer Erxleben Tom Perkins

For close to 70 years, the Natural Resources Conservation Service (NRCS) has provided seasonal water supply outlooks for use by Western US water managers. These outlooks are a critical component in effective water management and are utilized by a broad spectrum of users for a variety of purposes, ranging from irrigated agriculture, flood control, municipal water supply, endangered species prote...

A Karataş , E Karataş ,

Water is a very important vital resource for all living organisms. A world without water can not be imagined. However the world is running out of its most precious resource. Water resources must be protected completely before the end of life on Earth, so today management of water resources has become the main agenda topic globally. Effective protection can be provided by sustainable water manag...

Journal: :نشریه مراقبت پرستاری مددجو محور 0
masoomeh kheirkhah department of midwifery, school of nursing & midwifery, iran university of medical sciences, tehran, iran. vahideh akbarpouran department of midwifery, school of nursing & midwifery, iran university of medical sciences, tehran, iran. hamid haqhani department of biostatistics, school of public health, iran university of medical sciences, tehran, iran.

background: one of the important challenges to health service policy makers is conservation of human resources. shortage of human resources in health and care sector damages quality of services. another problem of organizations is low organizational commitment, which may result in poor performance and high costs reflecting improper use of human resources. committed employees set the scene for g...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تحصیلات تکمیلی علوم پایه زنجان - دانشکده فیزیک 1392

in the first part of this thesis we explored wetting and its dynamics for small droplets. first, we showed how a simple feature of water droplets on a surface, i.e. laplace pressure, can be exploited to build a micropump. we investigated capillary pumping in microchannels both experimentally and numerically. putting two droplets of different sizes at the in/outlet of a microchannel, will ge...

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