نتایج جستجو برای: yield

تعداد نتایج: 194156  

2010
Yimin Zhang Matthew D Merrill Bruce E. Logan

Microbial electrolysis cells (MECs) provide a high-yield method for producing hydrogen from renewable biomass. One challenge for commercialization of the technology is a lowcost and highly efficient cathode. Stainless steel (SS) is very inexpensive, and cathodes made of this material with high specific surface areas can achieve performance similar to carbon cathodes containing a platinum cataly...

1997
SANJEEV KUMAR

Just as a traditional continuation represents the rest of a computation from a given point in the computation, a subcontinuation represents the rest of a subcomputation from a given point in the subcomputation. Subcontinuations are more expressive than traditional continuations and have been shown to be useful for controlling tree-structured concurrency, yet they have previously been implemente...

Journal: :آب و خاک 0
فریده سادات حسینی احمد نظامی مهدی پارسا کمال حاج محمدنیا قالی باف

abstract supplementary irrigation for suitable crops production in most area of iran is necessary. in order to study supplementary irrigation effects on yield and yield components of three lentil (lens culinaris medik.) cultivars, an experiment was carried out as split block based on randomized complete block design with three replications at research field, college of agriculture, ferdowsi uni...

Journal: :علوم باغبانی 0
محمد کافی احسان کشمیری

abstract cumin (cuminum cyminum) is one of the most important medicinal plants in iranian dry region. in order to study the effects of irrigation times and salinity stress on yield and yield components of cumin, an experiment was conducted at the research farm ferdowsi university of mashhad in 2009. factors including irrigation times (1: one time irrigation, 2: two times irrigation 3: three tim...

Journal: :international journal of advanced biological and biomedical research 0
mohammad raoofi department of agronomy and plant breeding, university of mohaghegh ardabili, ardabil, iran sobhan mahzari m.sc graduated of identification and weed control, iran mohammad ali baghestani iranian research institute of plant protection, weed research department, tehran, iran somayeh giti research lecturer of toxicity & weed science, deilik company, hamedan, iran

the present study evaluated the effects of different dosages herbicides oxyfluorfen and trifluralin on crop properties of garlic, including plant height, number of cloves per bulbs as well as economical and biological yield of garlic. in this research, a randomized complete block design, with seven treatments and three replications, along with a control sample (weeding and no weed control), was...

Journal: :journal of agricultural science and technology 2010
a. shekoofa y. emam

plant growth regulators (pgrs) are widely used for lodging control in winter wheat (triticum aestivum l.) grown at high n rates. although the introduction of semi-dwarf wheat cultivars had largely solved the problem of lodging, evidence was already accumu-lating that the timely application of a growth retardant such as chlormequat (ccc) or ethephon could increase the grain yield of wheat, by th...

Journal: :journal of herbal drugs (an international journal on medicinal herbs) 2015
abas zarezadeh fatemeh sefikon sayed reza tabaei aghdaei3 ali mirhossaini mohammad reza arabzadeh

background & aim: the genus satureja belonging to the family of lamiaceae and consists of over 235 different species throughout the world. fourteen species grow naturally in iran of which eleven species are endemic. different species of satureja are used in food, healthy, cosmetic and medical industry. this reseach has been carried due to selection and introduction of suitable germplasm in ...

Journal: :iranian journal of applied animal science 2011
e. nistor v.a. bampidis m. pentea m. matiuti v. ciolac

the aim of the present study was to estimate genetic and phenotypic parameters of milk production traits in the first and second lactations of romanian simmental dairy cattle. for the estimation of variance, heritability, genetic and phenotypic correlations among milk yield, fat yield, protein yield, and percentages of fat and protein, 3400 first and second lactation records over a period of fi...

2013
Brian J. Rothschild Yue Jiao

Attaining maximum sustained yield (MSY) is a central goal in U.S. fisheries management. To attain MSY, fishing mortality is maintained at FMSY and biomass at BMSY. Replacing FMSY and BMSY by “proxies” for FMSY and BMSY is commonplace. However, these proxies are not equivalent to FMSY and BMSY. The lack of equivalency is an important issue with regard to whether MSY is attained or whether biomas...

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