حدود ۸۰% از حمل‌ونقل جهانی در بستر دریا انجام می‌شود؛ بنابراین، به‌منظور حفظ ایمنی عبورومرور کشتی‌ها، پیش‌بینی دقیق حرکت آنها اهمیت ویژه‌ای دارد. ازآن‌جاکه پارامترهای زمینه‌ای گوناگونی کشتی‌ها تأثیر می‌گذارد، یکی چالش‌های اصلی حوزة محاسبات زمینه‌ـ آگاه شناسایی بهینة مؤثر کشتی است که ضرورت تحقیق حاضر را می‌رساند. این راستا، با استفاده شبکة عصبی حافظة طولانی کوتاه‌ـ مدت و انتخاب پارامتر به‌شیوة پ...

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Indoor air pollution, specifically restricted in its meaning to chemicals in home indoor air environment, presents a new and probably an important challenge to the researchers of the air pollution field. The general overview of this topic suggests that the voluminous data generated in the past ten or so years have only defined the rudiments of the problem, and significant areas of research stil...

among human activities, motor vehicles play the most important role in air pollution. air pollution has negative impacts on people and on the environment. in this paper the effect of oxygen-enriched air (20.8%, 21.8%, 22.8%, 23.8% and 24.8%) and different bioethanol-gasoline blends (zero, 5%, 10%, 15%, 20% and 25%) in different engine speeds (1000 rpm, 2000 rpm and 3000 rpm) on the amount of po...

Commercial air travel is one of the safest means of transport. However, the environment within the aircraft cabin may have deleterious physiological effects on passengers, especially those with underlying medical problems and those who are old. With growing affluence, cheaper airfares and an ageing population, there will be more older people travelling by air over extended periods and longer di...

The likelihood of an epidemiologic study correctly identifying an adverse health outcome associated with exposure to indoor air pollutants is increased if a) substantial variation exists in the frequency or level of exposure among study subjects otherwise at similar risk of the health outcome; b) the number of study subjects or study communities is large; c) the health outcome can be assessed w...

In the paper, we present the methodology of construction and interpretation of the models, which consider effects of air pollution, and also their applications. The study of air-pollution health effects is a very important component in estimating health risk of air pollution and improving environmental quality. On other hand, such study is very complicated because of complexity of factors invol...