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Direct injection of either 3,4-(+/-)-methylenedioxymethamphetamine (MDMA) or 3,4-(+/-)-methylenedioxyamphetamine (MDA) into the brain fails to reproduce the serotonergic neurotoxicity seen following peripheral administration. The serotonergic neurotoxicity of MDA and MDMA therefore appears to be dependent upon the generation of a neurotoxic metabolite, or(More)
In view of the shortcomings exist in current process of medical transfusion, a wireless distributed system for transfusion supervision was designed with infrared detection technology, computer network technology, embedded system technology and wireless transmission technology. The system is a network which consisted of a host computer, transfusion monitors,(More)
—The manual operation mode of measuring transfusion speed in medicine is inconvenient and inaccurate, and is likely to cause dispute. A supervisory computer was designed to monitor transfusion speed. It mainly consisted of MCU C8051F930 as the control core, a photoelectric switch as liquid drop sensor, a three-digit seven-segment LCD, four keys, four LEDs(More)
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