نتایج جستجو برای: protocols
تعداد نتایج: 100392 فیلتر نتایج به سال:
Trial protocols are documents that describe the objectives, design, methodology, statistical considerations and aspects related to the organization of clinical trials. Trial protocols provide the background and rationale for conducting a study, highlighting specific research questions that are addressed, and taking into consideration ethical issues. Trial protocols must meet a standard that adh...
The medical-care sector often experiences changes in medical protocols and technologies that cause shifts in treatments. However, the commonly used medical-care price indexes reported by the Bureau of Labor Statistics hold the mix of medical services fixed. In contrast, episode expenditure indexes, advocated by many health economists, track the full cost of disease treatment, even as treatments...
the aim of this study was to compare the efficiency of five synchronization protocols, economically, in holstein cows during heat stress. this experiment was conducted at a commercial dairy farm in summer 2015 (temperature humidity index 73–81). five hundred holstein dairy cows with ˃25 kg/d milk yield were randomly assigned to five experimental groups: 1) ovsynch; 2) presynch-ovsynch; 3) doubl...
underwater acoustic wireless sensor network (uawsn) use acoustic signalsto transmit data. acoustic signals in underwater environment have high bit errorrate, long propagation delay and limited bandwidth. another constraint in uwasnis energy. due to these constraints, design of energy and bandwidth efficient andpropagation delay aware mac protocol is a great challenge in uwasn.underwater sensor ...
background: paraquat poisoning is a medical emergency challenge due to its inherent severe toxicity and unavailability of specific antidote for it. in this paper, a series of patients who were treated according to a commonly used treatment flowchart are presented. methods: this prospective observational study was carried out on paraquat poisoned patients admitted to district hospital, chamaraja...
radio frequency identification (rfid) applications have spread all over the world. in order to provide their security and privacy, researchers proposed different kinds of protocols. in this paper, we analyze the privacy of a new protocol, proposed by yu-jehn in 2015 which is based on electronic product code class1 generation 2 (epc c1 g2) standard. by applying the ouafi_phan privacy model, we s...
Background and Objectives: Considering important roles of advertisement in food choices, especially for children and adolescents, valid tools are needed to assess changes in the content of advertisements. The purpose of the present study was to prepare standard protocols for assessing the content of food advertisements of televisions, radios, billboards and school surroundings in Iran. Material...
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