نتایج جستجو برای: pbo2
تعداد نتایج: 182 فیلتر نتایج به سال:
Construction of a step-scheme (S-scheme) heterojunction photocatalyst is currently under investigation as it known to facilitate decrease in the e–/h+ recombination rate and preserves strong redox ability. This research work has reported on use microwave irradiation combined with wet impregnation synthesis FeVO4/Bi4O5Br2 heterojunctions at different weight percentages (%wt) FeVO4 (0.5%, 1%, 3% ...
در طی تحقیقات قبلی ترکیب آلیاژی pb-2sn-0.08ca بعنوان ترکیب بهینه از آلیاژ سرب - قلع - کلسیم از نظر خواش مکانیکی و مقاومت در برابر خوردگی جهت ساخت الکترودهای آند در فرآیند الکترووینینگ مس بدست آمد. در این تحقیق به منظور بررسی ویژگیهای الکتروکاتالیتیکی ترکیب آلیاژی فوق، واکنشهایی که در محدوده میعن دانسیته جریان اعمالی تحت شرایط الکترووینینگ روی سطح الکترود آند سربی صورت می گیرد و نیز مطالعه سینتی...
Bisphenol A (BPA) is a compound known as one of the main endocrine disruptors present in the environment. The consequences of this presence have been widely reported in recent years and several health effects have been attributed to the presence of BPA in the human body, such as many kinds of cancer, decreased sperm count and fertility, among others. This compound is widely used in the chemical...
Rutile represents an important structural aristotype from which numerous structures can be derived. Experimental investigation of the high-pressure behavior of metal dioxides with the rutile-type of structure (TiO2, SnO2, MnO2, ZrO2, RuO2, PbO2) led to a large body of work in the past 20 years. The above mentioned oxides undergo several structural phase transitions (SPT's) under pressure. In pa...
In the past decade much effort has been devoted to the synthesis and studies of molecular systems comprising porphyrin units bridged by well-defined p-conjugated spacers at the mesoor b-positions. These conjugated oligoporphyrin systems are expected to have potential applications in molecular wires and electronic devices due to their unique optical, physical, and chemical properties. Photophysi...
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