نتایج جستجو برای: q20
تعداد نتایج: 131 فیلتر نتایج به سال:
The aim of this study was to compare ongoing production of anti-C1q antibodies (anti-C1q) in peripheral blood with serum anti-C1q levels in patients with systemic lupus erythematosus (SLE), especially in patients with nephritis. Using the ELISPOT technique for the detection of IgG and IgA anti-C1q production, 21 patients with active SLE were investigated. ELISAs for IgG and IgA anti-C1q were co...
Unexpected variation in emissions can have a substantial impact on the prices and efficiency of tradable emission permit markets. In this paper we report results from a laboratory experiment in which subjects participate in an emissions trading market in the presence of emissions uncertainty. Subjects face exogenous, random positive or negative shocks to their emission levels after they make pr...
برداشتهای مکرر از چاههای بهرهبرداری مجاز و غیرمجاز موجب شده که میزان تغذیه سفره آبهای زیرزمینی از راههای مختلف نتواند با مقدار برداشت از آن به تعادل برسد و اثرات جبرانناپذیری از جمله بیلان منفی آب زیرزمینی و کاهش غیرقابل برگشت حجم آبخوان را سبب شود. در مطالعهی حاضر، وضعیت تعادلی حوضهی آبریز نیشابور با استفاده از محاسبهی آب تجدیدپذیر و شاخص(نسبت مصرف به آب تجدیدپذیر) در سه وضعیت...
برداشتهای مکرر از چاههای بهرهبرداری مجاز و غیرمجاز موجب شده که میزان تغذیه سفره آبهای زیرزمینی از راههای مختلف نتواند با مقدار برداشت از آن به تعادل برسد و اثرات جبرانناپذیری از جمله بیلان منفی آب زیرزمینی و کاهش غیرقابل برگشت حجم آبخوان را سبب شود. در مطالعهی حاضر، وضعیت تعادلی حوضهی آبریز نیشابور با استفاده از محاسبهی آب تجدیدپذیر و شاخص(نسبت مصرف به آب تجدیدپذیر) در سه وضعیت...
The evidence from HERA for parton saturation, and other low-x effects beyond the conventional DGLAP formalism, is recalled and critically reviewed in the light of new data and analyses presented at the conference. In the mid-90’s the original surprise of the HERA Neutral Current ep scattering data was the strong rise of the structure function F2 at low-x. This was taken to imply a strong rise o...
a flow-duration curve (fdc) illustrates the relationship between the frequency and magnitude of streamflow. applications of fdc are of interest for many hydrological problems related to hydropower generation, river and reservoir sedimentation, water quality assessment, water-use assessment, water allocation and habitat suitability. this study was carried out in 11 selected watersheds with commo...
Achieving sustainable economic growth is one of the most important goals of countries' economic programs and policies in the current era. Along with economic growth, consumption of energy rises. Since fossil fuels provide a major share of the world's energy, increased fuel consumption is an inevitable feature of economic growth. Continuation of this trend increases greenhouse gas emmissions, n...
Investment in renewable energies especially solar energies encounters numerous uncertainties considering the increased dynamism in economic and financial conditions. It is thus important to use modern methods of economic appraisal for such investments. Our study provides a framework for use of the real option theory for economic appraisal of a 2MW photovoltaic plant in Isfahan province (as a ca...
Identifying genotypes and phenotypes that enhance an organism's ability to survive stress is of interest. We used Caenorhabditis elegans mutants, RNA interference (RNAi), and the chemical 5-fluorodeoxyuridine (FUDR) to test the hypothesis that a reduction in progeny would increase oxygen deprivation (anoxia) survival. In the hermaphrodite gonad, germ line processes such as spermatogenesis and o...
BACKGROUND Heterocyclic pyrimidine nucleus, which is an essential base component of the genetic material of deoxyribonucleic acid, demonstrated various biological activities. A series of bis-pyrimidine Schiff bases were synthesized and screened for its antimicrobial and anticancer potentials. The molecular docking study was carried to find the interaction between active molecules with receptor....
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