نتایج جستجو برای: four components included efficiency

تعداد نتایج: 1721495  

Journal: :journal of crop nutrition science 0
fatemeh torfi msc. in agronomy, agricultural jihad organization, khuzestan, iran.

the present study aimed at investigating the effect of different levels of nitrogen on yield and yield components of bread and durum wheat. to this end the experiment was conducted in 2010-2011 in south west of iran as split plots based on randomized complete block design with three replications. main plot included four levels of nitrogen 60, 120, 180, 240 kg.ha-1 and the sub plot included four...

The peel components of Mandarin, Sour lemon and Sour orange were analyzed. Peel flavorcomponents were extracted using cold-press method and eluted using n-hexane. All compoundswere analyzed using GC-FID and GC-MS. Twenty-seven, Twenty-four and Twenty-nine peelcomponents were identified in Mandarin, Sour lemon and Sour orange respectively. They includealdehydes, alcohols, esters, monoterpenes an...

Journal: :Concrete Research and Technology 2000

Journal: :The University of Chicago Law Review 1941

Journal: :بوم شناسی کشاورزی 0
زهرا صابر همت اله پیردشتی محمدعلی اسماعیلی ارسطو عباسیان

in order to evaluate the efficiency of plant growth promoting rhizobacteria (pgpr) plus nitrogen and phosphorous chemical fertilizers on relative agronomic efficiency of p and n fertilizers and some agronomic parameters of wheat (triticum aestivum l.) cultivar n-80-19, an experiment was conducted at sari agricultural sciences and natural resources university during growing season of 2008-2009. ...

Journal: :Journal of psychosomatic research 2010
Salvatore P Insana Hawley E Montgomery-Downs

OBJECTIVE To explore whether standardized survey instruments and objective performance measures differentiate traditional constructs of sleepiness and fatigue among a sample of postpartum mothers. Additionally, we wanted to explore the independent associations among these measures with actigraphically measured nocturnal sleep variables. METHOD Seventy-nine postpartum mothers' subjective sleep...

Journal: :پژوهش های زراعی ایران 0
جاسم امینی فر غلامرضا محسن آبادی محمدحسن بیگلویی حبیب الله سمیع زاده

in order to investigate effect of deficit irrigation on phenological stages and yield of soybean cultivars, an experiment was conducted as split plots based on randomized complete block design with three replications at agricultural research farm, university of guilan in 2009. main factor was included four irrigation levels based on potential moisture 30-35 (i1), 50-55 (i2), 70-75 (i3) centibar...

Journal: :تولید گیاهان زراعی 0
حسین رضوانی دانشجوی دکتری گروه زراعت دانشکده علوم کشاورزی دانشگاه گیلان جعفر اصغری استاد گروه زراعت دانشکده علوم کشاورزی دانشگاه گیلان سیدمحمدرضا احتشامی استادیار گروه زراعت دانشکده علوم کشاورزی دانشگاه گیلان بهنام کامکار دانشیار گروه زراعت دانشکده تولید گیاهی دانشگاه علوم کشاورزی و منابع طبیعی گرگان

in order to investigate the competitive effects of wild mustard on yield and yield components of wheat cultivars, field experiments was conducted in gorgan reaserch station during 2010-2012 growing seasons. the experiments were laid out in four replicated, factorial arranged rcb design. factors of the experiments included five different densities of wild mustard (0, 4, 8, 16 and 32 plants.m-2) ...

ژورنال: مجله پژوهش سلامت 2017
بهادری, محمدکریم, رستم آبادی, کامیار, علی محمد زاده, خلیل,

Introduction: Symmetry system of work environment (5S) included of Sort, Straighten, Sweep, Standardization, and Self-discipline is the first step of collaborative activities with health, comfort and efficiency for employees of an institution. In this regard, the effects of applying 5S technique on a health center's staff's efficiency was investigated. Materials and Methods: This quasi-exper...

2009
Steven Ritter Thomas K. Harris Tristan Nixon Daniel Dickison R. Charles Murray Brendon Towle

In Cognitive Tutors, student skill is represented by estimates of student knowledge on various knowledge components. The estimate for each knowledge component is based on a four-parameter model developed by Corbett and Anderson [Nb]. In this paper, we investigate the nature of the parameter space defined by these four parameters by modeling data from over 8000 students in four Cognitive Tutor c...

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