منابع مشابه
The Motor Mechanism of the Insect Leg
IN view of the number of papers that have appeared in recent years on* the neuromuscular systems of various groups of animals, it is somewhat surprising that no attempt has been made to clarify the position in regard to the insects. There can be no doubt that a particular interest attaches to this group from the standpoint of comparative physiology. As the most highly developed members of the A...
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IN attempts to resolve animal behaviour into simpler terms much weight has always been given to the concept of the reflex as a unit. Since the classical work of Sherrington and others (Creed, etc., 1932) on the responses of the spinal vertebrate, many authors have supposed it to be merely a matter of time before all behaviour would be interpreted in such terms. In recent years, however, another...
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عصر روشنگری زمان شکل گیری ایده های مدرن تربیتی- آموزشی بود اما تاکید بیش از اندازه ی دوشاخه مهم فلسفی زمان یعنی عقل گرایی و حس گرایی بر دقت و وضوح، انسان عصر روشنگری را نسبت به دیگر تواناییهایش نابینا کرده و موجب به وجود آمدن افرادی تک بعدی شد که افتخارعقلانیتشان، تاکید شان بر تجربه فردی، به مبارزه طلبیدن منطق نیاکانشان وافسون زدایی شان از دنیا وتمام آنچه با حواس پنجگانه قابل درک نبوده و یا در ...
the effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
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ژورنال
عنوان ژورنال: Journal of Experimental Biology
سال: 1939
ISSN: 1477-9145,0022-0949
DOI: 10.1242/jeb.16.2.220