نتایج جستجو برای: harmful and dependent users
تعداد نتایج: 16926104 فیلتر نتایج به سال:
Information flows through a global environment characterized by conflict and competition. One party wants a flow to occur; another wants to block it. To illustrate: users want to freely exchange information, while governments and businesses seek to block information harmful to their interests. Spies try to infiltrate the networks of their adversaries and competitors to gather intelligence, whil...
Major challenges in cloud computing are security and privacy because of its multi-tenancy nature and the subcontracting of infrastructures. Enterprises, government organizations and educational institutions are quickly accepting cloud services for their businesses. Cloud events need to be developed so that these organizations can be assured of security in their businesses and can choose an appr...
Despite extensive evidence for cognitive deficits associated with drug use and multiple publications supporting the efficacy of cognitive rehabilitation treatment (CRT) services for drug addictions, there are a few well-structured tools and organized programs to improve cognitive abilities in substance users. Most published studies on cognitive rehabilitation for drug dependent patients use...
دسته ای از ترکیبات شیمیائی که مخصوصا با گسترش زندگانی جدید (ماشینی)اهمیت فرآینده ای پیدامی کنند، افزودنیهای مختلف غذائی میباشند که در صنایع مربوطه بکار گرفته می شوند بکارگیری بخشی از این موا تحت عنوان طعم دهنده ها بمنظور تامین طعم و مزه طبیعی درفرآورده های صنعتی تقریبا اجتناب ناپذیر گشته و همگام با توسعه تولیدات روبه توسعه می رود. یک شناخت سیستماتیک و جامع از خواص و آثار اینگونه مواد طبیعتا مست...
Introduction: Methamphetamine consumption is associated with cognitive and neuropsychological damage. Determining the effect of this substance on the activities and characteristics of the human brain can lead to the prevention and treatment of complications caused by abuse. There are diverse chemical formulas in Iran with unknown properties. Moreover, few studies have focused on electrophysiolo...
Spectrum sensing plays a major role in the cognitive radio networks. An effective spectrum sensing has two fold utility: one hand it prevents primary users or licensed users for significant harmful interference from secondary users or unlicensed users and on the other hand it increases the spectral efficiency. In this paper, a survey of the various spectrum sensing schemes such as transmitter s...
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