نتایج جستجو برای: fender systems
تعداد نتایج: 1183475 فیلتر نتایج به سال:
a significant problem in multicarrier communication systems is the necessity to reduce the value of papr (peak-to-average power ratio) of transmitting signal. in this thesis we study the effect of the system parameters such as coding and modulation types on papr and ultimate ber in a mc-cdma system. in this study we consider fading channel as well as the nonlinearity of transmitter’s amplifier ...
هدف از انجام این پروژه بررسی خواص مکانیکی و حرارتی الاستومر epdm جهت رسیدن به خواص مورد نیاز در ساخت ضربه گیری مورد استفاده در بنادر جنوب کشور می باشد. برای این منظور یک فرمولاسیون پایه انتخاب گردید که انتخاب آن به تاثیرگذاری هر یک از اجزادر محصول و ماهیت و نحوه عملکرد فندرها توجه شده است . سه سری نمونه بر اساس این فرمولاسیون پایه، مطابق روش استاندارد astm آمیزه کاری و تهیه گردید. در سری اول و ...
introduction: users of hospital information system know its problems better than others. studying their views are very important and can be especially effective in the development of the information system. the aim of this study was to investigate the users' views towards the quality of hospital information system in the training hospitals of mashhad university of medical sciences. methods: the...
a comparative study of clinical information systems regarding diabetes mellitus in several countries
introduction: diabetes mellitus is one of the most frequent causes of morbidities , mortalities and increasing cost of health care services all over the world. diabete’s clinical information system which is part of diabete’s information management system make it possible to manage this illness. this study aimed at comparing the diabetes clinical information systems in the u.s. , scotland and fi...
introduction: in a comprehensive health approach, emphasis has been more on education and self-care than care itself, and aims to increase patient’s knowledge to give decision making and independence ability to improve quality of lifestyle. these can develop with progress of information technology. the aim of this study was to evaluate hospital information system (his) in meeting the patient dr...
introduction: since users have a critical role in the success of a hospital information system, and also considering software companies as information system service providers-not only product sellers, this study was conducted to evaluate the hospital information system (his) software based on user requirements in iran. methods: through a descriptive study, 5 vendors, which had the best selling...
Reduction in the recovery time required and improvements in safety during a longwall face move have compelled coal mine operators to examine and use predriven longwall recovery rooms. The recovery entry is developed at the longwall stop position and supported ahead of time so that the required combinations of standing and internal supports can be installed before the longwall face approaches. A...
From 2010 through 2013, adult emergence and seasonality of Laricobius nigrinus Fender, an introduced predatory species native to western North America, as well as hybridization with the native species Laricobius rubidus (LeConte), were evaluated using emergence traps and beat-sheet sampling in areas of previous release against hemlock woolly adelgid, Adelges tsugae Annand. The shortest emergenc...
SEVERAL authors have investigated recently the small movements of the eyeball which occur during fixation, by recording the movement of a beam of light reflected from the cornea itself (Lord and Wright, 1948), from a small drop of mercury on it (Barlow, 1952), or from a plane mirror on (Ratliff and Riggs, 1950; Ditchburn and Ginsborg, 1953) or attached to (Fender, 1955) a contact lens. These me...
The hemlock woolly adelgid (HWA), Adelges tsugae Annand (Homoptera: Adelgidae), is forest pest introduced to eastern North America in the early 1950’s. Although this pest occurs on both landscape and nursery stock as well as in natural stands of hemlock forest, pesticides are only practical and effective in urban settings. Ecological and economical considerations prevent utilization of chemical...
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