نتایج جستجو برای: marine system

تعداد نتایج: 2313691  

Journal: :مجله علوم اعصاب شفای خاتم 0
robabeh jafari shefa neuroscience research center, khatam-al-anbia hospital, tehran, iran beheshteh azhdari department of marine chemistry, faculty of basic sciences, university of chabahar maritime and marine sciences, chabahar, iran maryam jafari department of parasitology and mycology, school of medicine, shiraz university of medical sciences, shiraz, iran zahra aeini shefa neuroscience research center, khatam-al-anbia hospital, tehran, iran sara abdolahi shefa neuroscience research center, khatam-al-anbia hospital, tehran, iran ali jahanbazi jahan abad shefa neuroscience research center, khatam-al-anbia hospital, tehran, iran

extensive research in the last decade has defined that most chronic diseases display dysregulation of multiple cell signaling pathways that have been linked to inflammation. neuroinflammation is reaction of living nervous tissue to injury. it may be initiated in response to neurological disease. including infection, traumatic brain injury, toxic metabolites and autoimmunity. the natural compoun...

Journal: :Conservation biology : the journal of the Society for Conservation Biology 2008
Heather Tallis Zach Ferdaña Elizabeth Gray

The existence of the Gulf of Mexico dead zone makes it clear that marine ecosystems can be damaged by terrestrial inputs. Marine and terrestrial conservation planning need to be aligned in an explicit fashion to fully represent threats to marine systems. To integrate conservation planning for terrestrial and marine systems, we used a novel threats assessment that included 5 cross-system threats...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده حقوق و علوم سیاسی 1390

چکیده : نظام انتخاباتی قواعد و چار چوب های به رسمیت شناخته شده ای است که بیانگر چگونگی تبدیل آرای مردم به مناصب و پست های سیاسی است. این نظام انتخابات باید به گونه ای عمل کند که نتیجه آن فراهم شدن مکانیسم و ساز و کار مطلوب و مناسب برای برگزاری انتخابات سالم و رقابتی باشد. به نظر می رسد نظام انتخاباتی جمهوری اسلامی ایران دارای ضعف ها و نواقصی است که به سبب آن ها نمی توان انتخابات مطلوب را برگزا...

Journal: :global journal of environmental science and management 2015
c. zhou x. liu z. wang t. yang l. shi

compared with usa, uk, brazil, indonesia, australia, etc., marine debris research in china has received less attention and few studies have attempted to quantify the abundance and mass of marine debris. in this paper, the abundance, composition and source of beached marine debris, and debris collection system and frequency as well as dustbins’ conditionwere investigated in duodaohai, wanpingkou...

2009
Andrew G. Carey William G. Pearcy Charles L. Osterberg

Marine organisms modify the distribution of radioisotopes in the oceanic ecosystem. Various vital processes of plants and animals concentrate elements. The distributions of the biota are often independent of their watery environment; they may actively migrate vertically or horizontally or may remain in place while the water moves past them. In the case of plankton, the concentrating organisms p...

2009
Giuliano Armano Eloisa Vargiu

Setting up a marine reserve involves access monitoring, with the goal of avoiding intrusions of not authorized boats – also considering that, typically, marine reserves are located in areas not easily accessible. Nowadays, intrusion detection in marine reserves is carried out by using radar systems or suitable cameras activated by movement sensors. In this paper, we present a multiagent system ...

2015
Chengqing Yuan Xiuqin Bai Conglin Dong

This study aims at studying the reliability evaluation for the marine propulsion shaft system under the severe sea conditions. The variations of the contact stress between the bearings and the marine propulsion shaft under the severe sea conditions are analyzed using the finite element simulation. The stress-strength interference theory is used to evaluate the reliability of the marine propulsi...

Journal: :international journal of advanced biological and biomedical research 2014
mehdi hassanshahian mohammad mehdi yaghoobi

alcanivorax borkumensis is a marine bacterium that has ability to grow on limited substrates that mainly is alkanes. the ability to use wide range of hydrocarbons is advantage of this bacterium to other marine community bacteria. a. borkumensis have two genetic systems for alkane biodegradation. the first system is alkane hydroxylase (alk-b1and alk-b2) and the second system is  cytochrome p450....

Journal: :JOURNAL OF THE MARINE ENGINEERING SOCIETY IN JAPAN 1981

Journal: :International Journal of Advanced Computer Science and Applications 2018

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