The study showed the subject of adaptation mechanisms of plants in arid and semi-arid, and the researcher has adopted the descriptive and analytical and statistical methodology, as well as the historical significance, in ...

اﻧﻔﺮدت ھﺬه اﻟﺪراﺳﺔ ﺑﻤﻨﺎﻗﺸﺔ ﻣﻮﺿﻮع اﻟﺒﻨﺎء اﻟﻤﺆﺳﺴﻲ واﻟﻘﺎﻧﻮﻧﻲ ﻟﻠﺒﯿﺌﺔ وھﻮ ﻣﻦ اﻟﻤﻮﺿﻮﻋﺎت اﻟﻤﮭﻤﺔ اﻟﺘﻲ ﻻ ﻏﻨﻰ ﻋﻨﮭﺎ ﻓﻲ ﺣﻤﺎﯾﺔ اﻟﺒﯿﺌﺔ ﺑﺎﻟﺮﻏﻢ ﻣﻦ ﻗﻠﺔ ﺗﻨﺎوﻟﮫ ﻣﻦ اﻟﺒﺎﺣﺜﯿﻦ واﻟﻤﮭﺘﻤﯿﻦ ، ﻣﺴﺘﺨﺪﻣﯿﻦ ﻓﻲ ذﻟﻚ اﻟﻤﻨﮭﺞ اﻟﻮﺻﻔﻲ اﻟﺘﺤﻠﯿﻠﻲ واﻹﯾﻜﻮﻟﻮﺟﻲ ، ﺑﮭﺪف ...

تناقش هذه الدراسة موضوع التربة بمحلية النهود، ويعتبر من الموضوعات المهمة للغنسان لإرتباطها بحياته واقتصادياته لا سيما الجوانب الحيوية كالزراعة والرعي وغيرها، ولقد استخدمت الدراسة تقنية نظم المعلومات الجغرافية والاستشعار ...

This work discussed expression of the energy and millennium relativity of energy in Einstein generalized special relativity and pression of direct modification of Newton kinetic energy by using Taylor series he four vectors ...

The goal of this paper is to present Hamiltonian system Mechanics on (2,0)-jet bundles . In conclusion, some differential geometrical and physical results on the related mechanic systems have been given. Keywords: Jet ...

ليست الحياة النباتية التي تنمو طبيعياً في أيّ إقليم من الأقاليم إلاّ نتيجة لتفاعل عدد من العوامل الطبيعية التي تتعلق في جملتها بالأحوال المناخية السائدة . السودان أغلبه عبارة عن مناطق جافة وشبه جافة ، في أغلبية المناطق ...

A 7 year old donkey was introduced to the clinic of Ghubaysh college of Veterinary Science showing haematuria, dysuria, stranguria, oliguria, and tenesmus, and colic, stiffness of the hindquarters, painful micturition and ...

Background: Parasitic diseases are an important cause of morbidity and mortality in donkeys. Effort must be given to control and prevention of parasitic disease transmission within a facility and among animal populations. ...

The amount and type of nutrient consumed by birds and the environmental temperature plus the interaction between them together with the strain and age differences had great effects on the overall performance of broilers ...

This study was conducted in north Kordofan State, Sudan during the dry season with the objectives of studying the effects of supplementary feeding of Acacia tortilis (seal) pods on growth, body measurements and some ...