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تعداد نتایج: 13733478 فیلتر نتایج به سال:
Ethyl benzene used increasingly each year is the raw material of producing styrene monomer. This substanceis produced from benzene alkylation with ethylene or ethanol, depending on the availability and cost of rawmaterials. In this study benzene alkylation in the presence of ethanol in a catalytic fixed bed reactor inthree states of isotherm, adiabatic and non-isotherm-non-adiabatic is mathemat...
target tracking is the tracking of an object in an image sequence. target tracking in image sequence consists of two different parts: 1- moving target detection 2- tracking of moving target. in some of the tracking algorithms these two parts are combined as a single algorithm. the main goal in this thesis is to provide a new framework for effective tracking of different kinds of moving target...
To evaluate effect of different irrigation regimes and mycorrhizal fungi on the growth and yield of mungbean NM92 [Vigna radiata (L.) Wilczk], a field experiment was conducted in split plot arrangements using randomized complete block design (Irrigation after 50, 100, 150 and 200 mm evaporation from pan class A as main plots and mycorrhiza species, Glomus mosseae, G. intraradices and a non-inoc...
The work is devoted to the problem of an increase in proportion scrap metal castings smelted and produced from wear-resistant chromium cast irons. Castings obtained with more than 60% armor cracked during solidification subsequent heat treatment were selected as research objects. similar mill after operation characterized different wear resistance compare characteristics structure properties. c...
Estrogen-receptor antagonists are used in the therapy of estrogen-responsive diseases including breast cancer and endometrial cancer. Tamoxifen, the non-steroidal estrogen-receptor antagonist, is now the first choice of anti-hormonal treatment for advanced breast cancer. In spite of its effectiveness, the long-term use of tamoxifen frequently results in tumor resistance to itself and its relate...
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