نتایج جستجو برای: karaj 2

تعداد نتایج: 2526363  

Background and purpose: Karaj River is the biggest aquatic ecosystem in Alborz province which is exposed to a variety of pharmaceutical pollutants. These pollutants have adverse effects of on surface water, biota and even humans. This research aimed to evaluate the level of contamination caused by widely used antibiotics in Karaj River, effluent, and wastewater treatment plants in 20 stations. ...

Moslem Savari, Reza Ebrahimi Maymand

This study was conducted in order to investigate the problems and solutions to improve the employment situation in agriculture sector in Karaj Payam Noor university students. Statistical population are Included all of Karaj Payam Noor University Graduate Students (N=1320). Using Cochran formula, 120 students were selected as sample. For more credits of findings, 150 questionnaires were distribu...

Journal: :شیلات 0
حمید فرحمند دانشیار دانشکدة منابع طبیعی، دانشگاه تهران، کرج، ایران محمد اخوان بهابادی دانش آموختۀ کارشناسی ارشد مهندسی شیلات، دانشکدة منابع طبیعی، دانشگاه تهران، کرج، ایران محمد علی نعمت اللهی دانشیار دانشکدة منابع طبیعی، دانشگاه تهران، کرج، ایران علیرضا میرواقفی دانشیار دانشکدة منابع طبیعی، دانشگاه تهران، کرج، ایران

the study investigates the possibility of sex determination of rainbow trout (oncorhynchus mykiss)using molecular screen for products monosex of populations. 35 caudal fin tissue samples wereobtained from karaj rainbow trout mature population and then genomic dna was extracted andmarker loci amplified. polymerase chain reaction (pcr) was setup based on two omyfa andomyfatu markers for amplifica...

Journal: :International journal of agriculture, environment and food sciences 2023

The selection of genotypes based on various characteristics is a critical challenge in plant breeding. An experiment was carried out randomized complete block design (RCBD) three replications over two crop years, 2018-2019, to compare the effects genotype × trait (GT) and yield-trait (GYT) methods as well investigate relationships between grain yield different agronomic traits. Plant materials ...

Journal: :Journal of Crop Science and Biotechnology 2021

Abstract Genotype × environment interaction is one of the complex issues breeding programs to produce high-yielding and compatible cultivars. Interaction genotype make more accurate selection, performance stability hybrids need be considered simultaneously. This study aimed investigate stable genotypes with yield using 12 maize in different climatic conditions Iran. The experimental design used...

2009
M. Sohrabi

Providing safety in roads for the purpose of protecting human assets and preventing social and economic losses resulted from road accidents is a significant issue. Identifying the traffic hot spots of the roads provides the possibility of promoting the road safety which is also related to investigate frequency and intensity of occurred accidents. Accidents are multidimensional and complicated e...

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