نتایج جستجو برای: 66zn production

تعداد نتایج: 603873  

2006
Guillaume Pitel

While a great effort has concerned the development of fully integrated modular understanding systems, few researches have focused on the problem of unifying existing linguistic formalisms with cognitive processing models. The Situated Constructional Interpretation Model is one of these attempts. In this model, the notion of “construction” has been adapted in order to be able to mimic the behavi...

Journal: :medical journal of islamic republic of iran 0
morteza sattari from the department of microbiology, health science faculty, tarbiat modarres university, tehran nasrin moazami the biotechnology center, iranian research organization for science and technology, p.o.box 15815-3338, tehran mohammad esmall zulfaghari the pharmaceutical research center, daru-pakhsh co., p.o. box 13185-877, tehran, islamic republic of iran.

production of oxytetracycline by an isolated strain of streptomyces rimosus from iranian soil was investigated using a special fermentation medium. a comparative study was performed with standard strain ptcc 1144 using the following parameters optimum growth conditions with respect to time, ph, and different amounts of corn steep liquor. surprisingly, the production yield of the wild strain was...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور مرکز - دانشکده کشاورزی 1388

سیر یکی از محصولات عمده تولیدی در استان زنجان است که دارای نقش اساسی در اقتصاد خانوارهای این استان می باشد. بنابراین، بررسی مسائل تولید و بازاریابی این محصول از اهمیت بالایی برخوردار می باشد. به همین دلیل، در پژوهش حاضر جهت بررسی وضعیت اقتصادی تولید و بازاریابی محصول سیر خوراکی، با یک نمونه 80 تایی از تولیدکنندگان، یک نمونه 20 تایی از خرده فروشی ها و یک نمونه 5 تایی از عمده فروشان که در امر فرو...

Journal: :iranian journal of applied animal science 2015
f. farivar n.m. torbatinejad y. jafari ahangari s. hasani a.m. gharebash

this study was conducted to evaluate the possibility of alfalfa replacement with fenugreek hay for ruminants, using in vitro gas production parameters and some of rumen fermentation characteristics. for this propose, five different total mixed rations were formulated to meet nutrient requirements of 35 kg growing lambs with gradually replacement of alfalfa in control diet (t1) with different le...

Journal: :iranian journal of veterinary research 2008
e. rowghani m. j. zamiri a. r. seradj

the chemical composition, in situ  rumen degradability coefficients of dry matter (dm) and crude protein (cp), in vitro gas production and in vivo  digestibility were evaluated for olive cake (oc) silage treated (dm basis) with different additives as follows: (1) untreated oc; (2) oc, 8% molasses and 0.4% formic acid and (3) oc, 8% molasses, 0.4% formic acid and 0.5% urea. after addition of the...

Journal: :international journal of energy and environmental engineering 2011
signe kjelstrup eivind johannessen audun røsjorde

the method of entropy production minimization for finding energy efficient paths of operation of process equipment is first presented using an instructive example with optimal control theory. with refer-ence to the earlier investigations, the researchers present some design rules that relate to the designs’ en-tropy production. minimum entropy production is not obtained in special cases, not ge...

Journal: :journal of agricultural science and technology 2015
m. zadmirzaei s. mohammadi limaei a. amirteimoori

in this study, the relative performance of mazandaran wood and paper company as a major supplier of paper products in iran was measured. network data envelopment analysis (dea) models with parallel structure were used to evaluate and measure its performance. gams software version 23.4 was used for data analysis. results indicated that this company in all studied years had good performances base...

Journal: :iranian journal of applied animal science 2015
n. ghavi hossein-zadeh m. akbarian

the objective of the present study was to determine factors affecting body condition score (bcs) and its association with productive and reproductive performances in holstein cows. mixed model analysis was performed on monthly records of bcs from april 2006 to july 2012 comprising 34666 records from 3134 dairy cows in a large commercial dairy herd under arid climatic conditions of isfahan in ir...

Journal: :iranian journal of applied animal science 2015
p. dolezal j. dolezal k. szwedziak j. dvoracek l. zeman

the aim of this study was to determine the effect of yeast culture (saccharomyces cerevisiae sc 47) addition in the diet of dairy cows on their rumen fermentation and milk production. animals received a diet tmr based on good maize silage with a higher dry matter content (14 kg), 14 kg of lucerne-grass haylage, 5 kg of crushed ears of maize, 5 kg of beet pulp silage, 3 kg of crimped wheat, 2 kg...

Journal: :journal of artificial intelligence in electrical engineering 2015
alireza tofigh rihani majid ghandchi

using photovoltaic systems is gradually expanded by increasing energy demand. abundance and availability of this energy, has turned to one of the most important sources of renewable energy. unfortunately, photovoltaic systems have two big problems: first, those have very low energy conversion efficiency (in act between 12 and 42 percent under certain circumstances). second, the power produced b...

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