نتایج جستجو برای: saline lands has decreased while

تعداد نتایج: 3605779  

Journal: :E3S web of conferences 2023

On the territory of Uzbekistan, almost half area irrigated land is subject to salinization, for this reason up 30 % or more crop yield lost. With a shortage water resources, which will deepen due climate change, water-saving technologies must be used not only irrigation but also reclamation saline soils. The authors have developed new approach regulation salt regime and soil reclamation. conduc...

روشن میلانی, شیوا , زارع, صمد, صبوری , احسان , غلامی , مرتضی ,

Background & Aims: Frequent administration of morphine leads to increase in motor activity, motivational properties, and other responses related to this kind of drugs.  It has been reported that the impact of morphine on seizure is dose dependent. The aim of this study was to study the impact of chronic exposure to morphine on pentylenetetrazol-induced seizure in rats. Materials & Methods: Neon...

World reserves of petroleum are being consumed rapidly and expected to exhaust by the middle of this century. This realization has led to the introduction of various grades of ethanol supplemented fuel. However, ethanol demands met from sources used for food may cause food shortage. This necessitates exploiting saline lands to produce non-food ligno-cellulosic biomass which, may be converted in...

2016
Abdul Waheed Khan Arif-ullah Khan Touqeer Ahmed

We describe different neuropharmacological effects of Verbena officinalis crude extract (Vo.Cr). Pentylenetetrazole (PTZ)-induced seizures, elevated plus maze, light-dark box (LDB), open field and thiopental-induced sleeping test models were employed to evaluate Vo.Cr actions in mice. Vo.Cr dose-dependently (100-500 mg/Kg) delayed onset time of myoclonic jerks and tonic-clonic seizures, while d...

Ghalamkari Gh Modaresi M,

Background: Celery (Apium graveolens) has many therapeutic effects.This plant has many phytoestrogens that can affect on the reproductive endocrine system and can reduce fertility .In this study, hydro alcoholic extracts of celery leaves on the pituitary-gonad axis in young male l mice of Balb/C was investigated. Materials and Methods: The samples were randomly divided into 5 groups (three trea...

2016
Ling Yi Zengxiang Zhang Xiaoli Zhao Bin Liu Xiao Wang Qingke Wen Lijun Zuo Fang Liu Jingyong Xu Shunguang Hu Audrey L. Mayer

Inappropriate land use has caused a series of environmental disasters such as floods and sand storms, and some of them involved unused land changes with highly localized distributions in arid and semi-arid regions with fragile ecosystems. As the third-rank category of first-level land use/cover in China, unused land (UL) is now playing an increasingly important role in protection of the natural...

2001
Robert F. Erbacher

While debugging technology has advanced in recent years, particularly through the incorporation of graphical user interfaces, there is still a need for new advances to improve the efficiency of the process. As software applications continue to become ever more complex this need is continuing to increase. This work is a follow on to the visualization work that has been ongoing for a number of ye...

Journal: :مرتع و آبخیزداری 0
مهدی قربانی دانشجوی دکتری مرتعداری، دانشکده منابع طبیعی، دانشگاه تهران، ایران علی اکبر مهرابی استاد دانشکده منابع طبیعی، دانشگاه تهران، ایران محمدرضا ثروتی دانشیار دانشگاه شهید بهشتی، ایران علی اکبر نظری سامانی استادیار دانشکده منابع طبیعی، دانشگاه تهران، ایران

nowadays, population growth and on the other hand resources limitations astonish authorities. population changes cause variation in economic activities and land use changes. as a whole, overusing, improper land use and human disturbances over natural resources make environmental imbalances worse. in recent decades, we have seen land use changes in taleghan basin. land use changes were produced ...

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