نتایج جستجو برای: a region diverse in natural resources

تعداد نتایج: 20461095  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان 1389

run-out-table (rot) is located between last finishing stand and down coiler in a hot strip mill. as the hot steel strip passes from rot, water jets impact on it from top and bottom and strip temperature decreases approximately from 800-950 °c to 500-750°c. the temperature history that strip experience while passing through rot affects significantly the metallurgical and mechanical properties, s...

Fredrick U. Ngesa George Muthaa Joash K. Kibett Michael G. Kanyi Tom Vandenbosch

The Farmers of the Future (FoF) initiative implemented a programme of integrating natural resources management in the basic education curriculum. The purpose of the study was to document activities and determine the effects of FoF programme on primary school learners’ perceptions towards natural resources management by comparing learners involved in the FoF programme and those not involved. Fur...

ژورنال: طب جنوب 2020
Abolzadeh , Sepideh, Nabipour , Iraj, Vahdat , Katayon,

Background: Ethnopharmacology is a very diverse approach to drug discovery that involves the observation, description, and experimental study of native drugs and their biological activities based on botany, chemistry, biochemistry, pharmacology, and other disciplines such as anthropology, archeology, history, and linguistics that helps discovering of  natural products with biological activity. ...

Journal: :محیط زیست طبیعی 0
منا آقابیگی دانشجوی کارشناسی ارشد اقتصاد و توسعۀ کشاورزی، دانشکدۀ اقتصاد و توسعۀ کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران. محمد کاوسی کلاشمی استادیار گروه اقتصاد کشاورزی، دانشکدة علوم کشاورزی، دانشگاه گیلان

regarding the importance of natural resources in preserving natural ecosystem and human being survival, protecting these resources and preventing their demolition will be necessary. taleghan lake, alborz, is studied o determine the protective value and measuring the willingness of people. using the ahp approach, this study is different by using and non-using value of the lake. results from lagi...

Journal: :اکو هیدرولوژی 0
سیدمحمد موسوی دانشجوی کارشناسی ارشد، سنجش از دور و سیستم اطلاعات جغرافیایی دانشگاه تبریز خلیل غلام نیا دانشجوی کارشناسی ارشد، سنجش از دور و سیستم اطلاعات جغرافیایی دانشگاه تبریز محمدرضا ممشلی دانشجوی کارشناسی ارشد، سنجش از دور و سیستماطلاعات جغرافیایی دانشگاه تبریز شهرام روستایی استاد گروه سنجش از دور و سیستم اطلاعات جغرافیایی دانشگاه تبریز

one of the serious problems of iran’s watersheds is soil erosion and can be considered as one of the main obstacles to achieve sustainable agricultural development and natural resources. in most countries of the world, because of absence of accurate data for the sediment erosion, deposition utilizing models to estimate erosion is inevitable. in order to apply effective management in natural res...

In the present study, the water quality of Silakhor River, located in Rahim Abad hydrometric station, was analyzed based on Boron, Iron, Nickel, Fluorine, Manganese, Chromium, Cadmium, Aluminum, Copper, Zinc and Lead pollution. The samples were collected from Silakhor River in Rahim Abad hydrometric station during a one-year period, from December 2012 to November 2013. In addition, metal index ...

Journal: :Visnyk of the Lviv University. Series Geography 2014

Journal: :Visnyk of the Lviv University. Series Geography 2014

Floristic study is one of the most efficient methods of gaining knowledge about biological capacities, as well as management and conservation of plant genetic resources in ecological systems. Zanjan county town is located in a mountainous region with an area of 6763 km2 and the average altitude of 1663 m.a.s.l. Its favorable vegetation diversity is the result of suitable ecological conditions, ...

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