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تعداد نتایج: 17002634 فیلتر نتایج به سال:
A great part of lands under corn cultivation are affected by different levels of salt stress. This study was conducted in order to determine the effect of different levels of salt stress on yield and some physiological characteristics of corn plants. Two experiments were carried out in greenhouse (a factorial based on randomized complete blocks design with 3 replications), and field (a split pl...
a semi-empirical mathematical model for predicting physical part of ignition delay period in the combustion of direct - injection diesel engines with swirl is developed . this model based on a single droplet evaporation model . the governing equations , namely , equations of droplet motion , heat and mass transfer were solved simultaneously using a rung-kutta step by step unmerical method . the...
the hypothesis is that recent and frequent exposure to lexical items leads to a more fluent production of speech in terms of rate of speech. to test the hypothesis,a one-way anova experimental design was carried out. 24 sednior students of efl participated in a one-way interview test. data analyses revealed that those who were exposed frequently to the lexical items over a week prior to inter...
کم آبی مهمترین مشکل کشاورزی منطقه بوده و کاشت ذرت تابستانه (کشت دوم) با مصرف بالای آب همراه می‌باشد. به منظور بررسی و تعیین مناسبترین تاریخ کاشت و هیبرید جهت کشت زمستانه ذرت دانه‌ای در مزرعه تحقیقات ارزوئیه آزمایشی طی دو سال پیاپی 1388و 1389 به صورت اسپلیت پلات در قالب طرح بلوک‌های کامل تصادفی با 4 تکرار انجام شد. در این تحقیق تاریخ کاشت به عنوان عامل اصلی در 4 سطح (14 بهمن، 28 بهمن، 12 اسفند، ...
کم آبی مهمترین مشکل کشاورزی منطقه بوده و کاشت ذرت تابستانه (کشت دوم) با مصرف بالای آب همراه می‌باشد. به منظور بررسی و تعیین مناسبترین تاریخ کاشت و هیبرید جهت کشت زمستانه ذرت دانه‌ای در مزرعه تحقیقات ارزوئیه آزمایشی طی دو سال پیاپی 1388و 1389 به صورت اسپلیت پلات در قالب طرح بلوک‌های کامل تصادفی با 4 تکرار انجام شد. در این تحقیق تاریخ کاشت به عنوان عامل اصلی در 4 سطح (14 بهمن، 28 بهمن، 12 اسفند، ...
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Joseph Kwan1†, Damian Jenkinson2, Mike Vassallo3, Nicola Englyst4 & V Hugh Perry5 †Author for correspondence 1Royal Bournemouth Hospital, Department of Medicine for the Elderly, Castle Lane East, Bournemouth, BH7 7DW, UK Tel.: +44 1202 704 590; Fax: +44 1202 704 542; E-mail: [email protected] 2Tel.: +44 1202 705 292; Fax: +44 1202 704 542; E-mail: damian.jenkinson@ rbch.nhs.uk 3Tel.: +44 ...
Fertilizer management is essential for achieving sustainable agriculture and protecting the environment. To evaluate the effect of Nitroxin bio-fertilizer application on quantitative and qualitative traits of corn hybrids a farm research was arranged via split plot experiment based on the randomized complete block design with four replications in 2013. Main plots were Included: use of the chemi...
in this thesis, we exploit a simple and suitable method for immobilization of copper(ii) complex of 4?-phenyl-terpyridine on activated multi-walled carbon nanotubes [amwcnts-o-cu(ii)-phtpy]. this nanostructure was characterized by various physico-chemical techniques. to ensure the efficiency and fidelity of copper species, the implementation of three-component strategies in click-chemistry all...
the hypothesis is that recent and frequent exposure to lexical items leads to a more fluent production of speech in terms of rate of speech. to test the hypothesis , a one- way anova experimental design was carried out. 24 senior student of efl participated in a one-way interview test. data analyses revealed that those who were exposed frequently to the lexical items over a week prior to inte...
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