نتایج جستجو برای: em2
تعداد نتایج: 121 فیلتر نتایج به سال:
The amount of petroleum hydrocarbon and heavy metals in sediment of Persian Gulf’s shore at 8 selected stations were determined and showed the maximum of 143.6 and 58.6 mg/kg sediment, respectively. The above maximum amounts were related to Emam Hassan zone which is located at 50 kilometers to west Boushehr port. Bioremediation of contaminated sediment were studied in slurry and solid state fer...
میزان آلودگی نفتی و فلزات سنگین موجود در رسوبات 8 ایستگاه انتخابی در سواحل خلیج فارس اندازه گیری و نتایج نشان داد که میانگین هیدروکربورهای کل بین 14/3 تا 143/6 میلی گرم بر کیلوگرم است و بالاترین غلظت فلزات سنگین را نیکل با میزان 58/6 میلی گرم در کیلوگرم در منطقه امام حسن واقع در حدود 50 کیلومتری غرب بندر بوشهر دارا میباشد. درمان بیولوژیکی در دو محیط دوغابی و جامد مورد مطالعه قرار گرفت. از 8 نو...
Jeju Island, South Korea, is a Cenozoic intraplate volcano located in East Asia. The basalts display ocean island basalt (OIB)-like trace element patterns and enriched mantle type 2 (EM2) radiogenic isotope compositions, but the source that remains unclear. Here we report new geochemical compositions of xenoliths, including first helium analysis olivine phenocrysts to constrain basalt. Olivines...
Abstract Glasses quenched from relatively undegassed ocean island magmas erupted volcanoes at Iceland, Hawaii, the Canary Islands, and Erebus have elevated Fe 3+ /∑Fe ratios compared to glasses mid-ocean ridge basalts. This has been ascribed f O 2 of their mantle sources, plausibly due subducted, oxidized near-surface-derived components in sources. The basaltic Reunion Island Indian Sr–Nd-Hf-Pb...
IN THE INITIAL DISSECTIONS of blood pressure (BP) into its genetic components using hypertensive inbred Dahl salt-sensitive rats (SS/Jr, referred to hereafter as S rats), gene-gene interactions and genetic background effects were evident. The effects of alleles at different genetic loci on a quantitative trait such as BP can be additive (plus or minus), or the combined effects can be higher or ...
IN THE INITIAL DISSECTIONS of blood pressure (BP) into its genetic components using hypertensive inbred Dahl salt-sensitive rats (SS/Jr, referred to hereafter as S rats), gene-gene interactions and genetic background effects were evident. The effects of alleles at different genetic loci on a quantitative trait such as BP can be additive (plus or minus), or the combined effects can be higher or ...
Relative abundance of magnetite originated from magnetotactic bacteria (magnetofossils) in sediments may influence relative paleointensity (RPI) estimations the geomagnetic field, as some studies reported an inverse correlation between RPI and ratio anhysteretic remanent magnetization susceptibility to saturation isothermal (kARM/SIRM), a proxy proportion biogenic terrigenous magnetic minerals ...
A crossbreeding experiment was carried out between two Egyptian strains of chickens namely Mandarah (MM) and ElSalam (SS). The two purebred strains and their reciprocal crosses (MS and SM) were used to estimate the effect of crossing on egg laying and egg quality parameters, direct additive and maternal additive effects as well as heterosis and direct heterosis percentages for studied traits. R...
Alveolar echinococcosis is a refractory disease caused by the metacestode stage of Echinococcus multilocularis. The life cycle of this parasite is maintained primarily between foxes and many species of rodents; thus, dogs are thought to be a minor definitive host except in some endemic areas. However, dogs are highly susceptible to E. multilocularis infection. Because of the close contact betwe...
اولین گام در جهت تشخیص و تهیه ارقام مقاوم به بیماری سفیدک پودری جو، شناسایی فاکتورهای بیماریزایی جمعیت عامل آن است. بدین منظور در تحقیقی که در سال 1387 در استان فارس صورت گرفت تعداد ده جدایه از مناطق مختلف استان جمع آوری و روی یک رقم حساس جو تکثیر شدند. سپس جداگانه روی گیاهچه تعداد 19 رقم تقریباً ایزوژنیک که رقم پایه آنها پالاس و دارای ژنهای مقاومت متفاوتی بودند و یک رقم حساس مایه زنی شدند. واکن...
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