نتایج جستجو برای: 400c and 300c
تعداد نتایج: 16827185 فیلتر نتایج به سال:
1 Prometheus, Division of Skeletal Tissue Engineering, KU Leuven, O&N 1, Herestraat 49 PB813, B-3000 Leuven, Belgium 2 Dept. Development and Regeneration Skeletal Biology and Engineering Research Center, KU Leuven, O&N 1, Herestraat 49 PB813, B-3000 Leuven, Belgium 3 Dept. Chemistry Molecular Design and Synthesis, KU Leuven, Celestijnenlaan 200f – PB2404, B-3001 Leuven, Belgium 4 Dept. Clinical...
cury-pol)uted soil (1g), which contained 7.5nntol of Hg, approximate}y 4.1 nmol of mercury was volatilized, indicating that 54% of the total mercury in the soi} was vo]ati}ized. The amount of mercury yolatilized from the soil was dependent en the concentration of Fe2+ added to the medium. When elemental sulfur, sodium tetrathionate, and pyrite were used as an electron donor for the mercury redu...
Studies were carried out to evaluate a gravimetric method for the determination of soil organic matter by the mass loss at 300C. The gravimetric method was compared with Walkley-Black, using several brazilian soils with variable chemical and physical properties. Gravimetric method was positively correlated with Walkley-Black method with the following linear regression equation: y = 3.72x + 0.29...
Introduction: Lead is the major toxicant found in industrial effluent that can adversely affect environment and human health. Conventional methods for the removal of this metal from waste waters are often cost prohibitive. This study was conducted to investigate the effect ostrich feathers modified by hydrogen peroxide on lead removal from waste water. Methods: In this descriptive and practical...
ویتامین ها ترکیبات آلی پیچیده ای هستند، که اهمیت حیاتی برای ماهیان داشته و کمبود آنها باعث اختلالات شدید در بدن می گردد. نه جیره غذایی شامل ترکیبی از مقادیر 0، 100 و 400 میلی گرم ویتامین c و 0، 100 و 400 میلی گرم ویتامین e در کیلوگرم غذا در 2 تکرار و به مدت 15 هفته جهت پرورش ماهیان استرلیاد در نظر گرفته شدند. تعداد 270 عدد ماهی استرلیاد با وزن متوسط 28/14±92/350 گرم به 18 تانک فایبرگلاس معرفی گ...
Background: Preparing requires colouring to clarify or sharpen various tissue parts, especially cells. The use of synthetic dyes in preparations the long term can less impact both living things and environment. study aims obtain natural from morning glory flowers at optimal temperatures pH find out feasibility coloured using Morning Glory flower extract. Method: extraction process uses a macera...
The dependency on fossil fuels for power generation can be reduced by enhancing the energy efficiency of generating systems. refrigeration systems that typically use electricity consume a significant portion supplied to cities. STAND-ALONE system which consists combined Organic Rankine Cycle and Vapor Compression (ORC-VCR) is analyzed using first law thermodynamics. Dry natural hydrocarbons suc...
Thoracic and thoracoabdominal aortic aneurysm repair are frequently associated with ischemic paraplegia, renal failure and death. In order to decrease the incidence of ischemic events and allow for a longer aortic cross clamp time, we combined our previous technique of segmental sequential repair, left heart bypass and cerebral spinal fluid drainage in conjunction with moderate hypothermia (30°...
We previously demonstrated highly stable backchannel cut and back-channel passivated amorphous silicon thin-film transistors (a-Si:H TFTs) made at 300C on 2.9-inch x 2.9-inch clear plastic substrates [1]. Mechanical stress in the TFT stack causes the substrate to expand or contract, which easily results in misalignment between consecutive device layers [2,3]. Therefore we developed three selfal...
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