منابع مشابه
User Level DMA without Operating System Kernel Modi cation
Direct Memory Access DMA is frequently used to transfer data between the main memory of a host computer and the interconnection network in order to free the host processor from the burden of the trans fer DMA operations are traditionally initiated by the operating system kernel mainly to prevent one appli cation from tampering with another applications data Recent architecture trends suggest th...
متن کاملUser-Level DMA without Operating System Kernel Modification
Direct Memory Access (DMA) is frequently used to transfer data between the main memory of a host computer and the interconnection network, in order to free the host processor from the burden of the transfer. DMA operations are traditionally initiated by the operating system kernel, mainly to prevent one application from tampering with another applications' data. Recent architecture trends sugge...
متن کاملاپوئیدها(Opioids) و دستگاه گوارش
SUMMARY The term opioid was coined to refer in a generic sense to all drugs, natural and synthetic, with morphin - like actions. Three distinct families of peptides have been identified so far in gastrointestinal (GI) nervous system in mammalian. These peptides include : dynorphin, Met - enkephalin and leu - enkephalin . Results from studies about opioid which have been started 15 years ago ...
متن کامل38: Opioids
Opioids are among the oldest therapies in our armamentarium, and clinicians recognize their universal utility to limit human distress from pain. Opioids enjoy widespread use as potent analgesics, even though they are abused because of their psychoactive properties. Although the therapeutic and toxic doses are difficult to predict because of the development of tolerance with chronic use, the pri...
متن کاملOpioids for neuropathic pain.
BACKGROUND The use of opioids for neuropathic pain remains controversial. Studies have been small, have yielded equivocal results, and have not established the long-term risk-benefit ratio of this treatment. OBJECTIVES To assess the efficacy and safety of opioid agonists for the treatment of neuropathic pain. SEARCH STRATEGY We searched the Cochrane Central Register of Controlled Trials (2n...
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ژورنال
عنوان ژورنال: Nature
سال: 2019
ISSN: 0028-0836,1476-4687
DOI: 10.1038/d41586-019-02685-3