نتایج جستجو برای: نانوذرات mgo
تعداد نتایج: 14575 فیلتر نتایج به سال:
در این مقاله, دو نمونه همسانگرد(پرس نمونه در غیاب میدان مغناطیسی) و ناهمسانگرد( پرس نمونه در حضور میدان مغناطیسی) از ترکیب la0/8sr0/2mno3 تهیه شده است. برای بررسی خواص ساختاری, مغناطیسی و مغناطومقاومت نمونهها از آنالیزهای xrd , sem , همچنین اندازهگیریهای پذیرفتاری مغناطیسی ac و مغناطومقاومت نمونهها استفاده شد. نتایج آزمایشها نشان میدهد که خواص مغناطیسی در نمونه ناهمسانگرد بهبود پیدا کرده و ...
The properties of the interfacial water monolayer on MgO(001) during growth of multilayer ice and, in particular, the dewetting of crystalline ice on MgO(001) are revealed by vibrational sum frequency generation and infrared reflection absorption spectroscopy.
Articles you may be interested in Intrinsic spin noise in MgO magnetic tunnel junctions Appl. Thermal stability and spin-transfer switchings in MgO-based magnetic tunnel junctions with ferromagnetically and antiferromagnetically coupled synthetic free layers Appl.
Flower-like MgO is a highly effective catalyst for the synthesis of dimethyl carbonate through the transesterification method, and coating the catalyst with mesoporous silica significantly enhances the stability of the MgO catalyst.
In the present work we explore via first-principles simulations whether the ligand/cluster/support catalytic complex generated by CO oxidation over silver trimers deposited on the regular MgO(100) surface - i.e. a Ag3/carbonate or Ag3(CO3)/MgO(100) species - can be used as a catalyst in a different reaction: the selective oxidation of NO to NO2 (or NOox). The Ag3(CO3)/MgO(100) complex is first ...
Mechanically robust alginate-based nanofibrous scaffolds were successfully fabricated by electrospinning method to mimic the natural extracellular matrix structure which benefits development and regeneration of tissues. Alginate-based nanofibres were electrospun from an alginate/poly(vinyl alcohol) (PVA) polyelectrolyte complex. SEM images revealed the spinnability of the complex composite nano...
The lower crust of the Mesozoic Sierra Nevada batholith was made up of high MgO, garnet-poor and low MgO, garnet-rich pyroxenites. Both groups are genetically linked and are collectively complementary to the mafic to intermediate Sierran plutons. High MgO pyroxenites represent high pressure cumulates from a mantle-derived hydrous basalt or basaltic andesite, resulting in derivative magmas havin...
Objective(s): In recent years, nanotechnology has produced new forms of materials that are more effective than their predecessors. Magnesium is an essential element in the human body and certain studies have proved that its deficiency can induce anxiety in animals. In this study, the effect of magnesium oxide nanoparticles (MgO NPs) on anxiety, related behaviors, and interaction between their e...
introduction: some studies show magnesium has anticonvulsive effect in some animal models. despite of the availability of well-studied anticonvulsant drugs, this evaluation was not carried on new kind of magnesium supplement, magnesium oxide nanoparticles (nmgo). according to the interaction between magnesium and convulsion, this study was designed to evaluate the effect of nmgo on strychnine-i...
آلودگی آب به ترکیبات اورانیوم یک مشکل جهانی است. جذب سطحی به عنوان کارامدترین و مقرون به صرفه ترین روش مورد توجه قرار گرفته است. در این مطالعه، کاربرد نانو ذرات منیزیم اکسید، نانو صفحه های گرافن اکسید و نانو کامپوزیت منیزیم اکسید/گرافن اکسید در حذف یون اورانیل آبی گزارش شده است. نانو ذرات منیزیم اکسید به روش سونو شیمیائی و نانو صفحه گرافن اکسید به روش اصلاح شده هامر تهیه شدند و در ادامه تأثیر...
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