نتایج جستجو برای: electric current
تعداد نتایج: 897824 فیلتر نتایج به سال:
Each of eight rats was located in the experimental chamber mounted with two levers. Lever-pressing to either of the two was maintained by a schedule of food. After that, a punishment schedule of electric shocks was added. Neither the reinforcement nor the punishment schedule was programmed on the other lever, i.e. the non-reinforced alternative. The effect of reinforcement, and the joint effect...
بطور کلی سیستم های تولید جریان بالا برای آزمایش تجهیزات قدرت (فیوزها، کلیدهای منیاتوری، کلیدهای اتومانیکو ...) کاربرد دارند. برای آزمایش رفتار و عملکرد تجهیزات قدرت تحت جریان های بالا، نیاز به تزریق جریان سینوسی است؛ به طوری که دامنه و فرکانس آن قابل کنترل باشد. در این پروژه دستگاه تزریق جریان، شامل یک ترانسفورماتور تزریق جریان است که توسط یک اینورتر منبع ولتاژ تغذیه می شود. هدف این پروژه، برر...
Carter, A. O., and Morley R. (1969). Brit. J. industr. Med., 26, 217-223. Electric current flow through human skin at power frequency voltages. Alternating power voltages were applied to small pieces of living skin. Current and voltage were recorded continuously using voltages from 25 V to 250 V. At the lower voltages the skin appeared unaffected, but rapid destruction occurred at the higher vo...
Despite numerous studies on spinal neuronal systems, several issues regarding their role in motor behavior remain unresolved. One of these issues is how electric fields associated with the activity of spinal neurons influence the operation of spinal neuronal networks and how effects of these field potentials are combined with other means of modulating neuronal activity. Another closely related ...
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In this paper, we propose a new heterostructure dual material gate junctionless field-effect transistor (H-DMG-JLFET), with negative differential resistance (NDR) characteristic. The drain and channel material are silicon and source material is germanium. The gate electrode near the source is larger. A dual gate material technique is used to achieve upward band bending in order to access n-i-p-...
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