نتایج جستجو برای: 45 t ha
تعداد نتایج: 899173 فیلتر نتایج به سال:
In the endeavor of optimizing the sustainability of bioenergy production in Denmark, this consequential life cycle assessment (LCA) evaluated the environmental impacts associated with the production of heat and electricity from one hectare of Danish arable land cultivated with three perennial crops: ryegrass (Lolium perenne), willow (Salix viminalis) and Miscanthus giganteus. For each, four con...
The memory T cell response is polyclonal, with the magnitude and specificity of the response controlled in part by the burst size of T cells expanded from effector/memory precursors. Sensitive assays using HLA class II multimers were used to detect low-frequency Ag-specific T cells directed against influenza viral Ags in subjects immunized with the influenza vaccine. Direct ex vivo tetramer sta...
Let T be a first-order theory. A T -normal Kripke structure is one in which every world is a classical model of T . This paper gives a characterization of the intuitionistic theory HT of sentences intuitionistically valid (forced) in all T -normal Kripke structures and proves the corresponding soundness and completeness theorems. For Peano arithmetic (PA), the theory HPA is a proper subtheory o...
BACKGROUND Chlorella is one of the few microalgae employed for human consumption. It typically has a high protein content, but it can also accumulate high amounts of lipids or carbohydrates under stress conditions and, for this reason, it is of interest in the production of biofuels. High production costs and energy consumption are associated with its cultivation. This work describes a strategy...
زمینه: ویروس انفلوانزا پاتوژن تنفسی مهمی است که سالانه منجر به درصد بالایی از بیماری و مرگ ومیر میشود. ویروس جدید A/H1N1 (Novel) که در سال 2009 جمعیت زیادی از مردم جهان را درگیر کرد، از بازآرایی ژنوم سه نوع ویروس انفلوانزای انسانی، خوکی و پرندگان بهوجود آمده است. با توجه به نقش مهم هماگلوتینین (HA) در عفونتزایی ویروس انفلوانزا، تعیین توالی ژنوم این پروتئین و بررسی تغییرات آن ضروری بهنظر می...
Field investigations are important tools for confirmation of the effectiveness of the organic manures on crop yield. As different N sources, this work presents a comparative study of the effects of urea, cow dung and poultry manure on plant height, stem length and diameter, leaf length, breadth and number accompanied with the fresh weight of plant, stem, leaf coupling stem leaf ratio and gross ...
Six diethylaminoethyl-cellulose fractions of a larval Trichinella spiralis extract, an Ascaris suum extract, and a nonrelated protein were used for cutaneous tests in guinea pigs with 8-, 14-, and 73-day-old T. spiralis infections, in guinea pigs with 13-day-old A. suum infections, and in normal guinea pigs. A selected T. spiralis fraction was used in hemagglutination (HA) tests with sera of 8 ...
We have examined the development of self-peptide-specific CD4+ CD25+ regulatory T cells in lineages of transgenic mice that express the influenza virus PR8 hemagglutinin (HA) under the control of several different promoters (HA transgenic mice). By mating these lineages with TS1-transgenic mice expressing a TCR that recognizes the major I-E(d)-restricted determinant from HA (site 1 (S1)), we sh...
There are few data about the epidemiology of community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) among children in Israel. This study was intended to identify risk factors for CA-MRSA colonization in healthy infants, to characterize the molecular features of colonizing organisms, and to determine whether they are responsible for health care-associated (HA) infections. Nas...
This study aimed to analyze the seasonal dynamics of sugar beet leaf and root yield quality in different plant populations nitrogen fertilization rate. The field trials were set as four planting densities (60,000 140,000 plants ha?1) three spring rates: no fertilization, pre-sowing (45 kg ha?1 N), with top dressing (99 N 2014 85.5 2015. changes growth done measuring area (LA), index (LAI), spec...
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