نتایج جستجو برای: فاز 2223

تعداد نتایج: 16322  

2010
Jayesh Mehta Michele Cavo Seema Singhal

The clinical approach to older patients with myeloma has to be modified to take into account comorbidities and the likelihood of higher treatment-related toxicity. Individualization of management and adequate supportive therapy are important to obtain the best response while minimizing adverse effects. Corticosteroids, novel agents, conventional cytotoxic agents, and high-dose chemotherapy with...

2014
R. Abd-Shukor Nabil A. A. Yahya

The (Bi1.6Pb0.4)Sr2Ca2Cu3O10/Ag superconductor tapes have great potential for power transmission application. At relatively high temperatures, the transport critical current density (Jc) is limited by the weak pinning of magnetic flux lines. Movement of the flux lines as a result of the Lorentz force leads to the dissipation of energy and the appearance of electrical resistance. Improvement in ...

1997
Peidong Yang Charles M. Lieber

Nanorod/superconductor composites were formed by depositing Tl2Ba2Ca2Cu3Oz ~Tl-2223! thick films on high density MgO nanorod arrays that were grown on MgO single crystal substrates. Electron microscopy studies show that this approach creates a high density of columnar defects normal to the CuO2 planes within crystal grains of the composites. The nanorod/superconductor composites exhibited enhan...

2015
Viola Angelini Marco Bertoni Luca Corazzini

Using longitudinal data from the German Socio-Economic Panel (SOEP), we show that paternal unemployment has a surprisingly positive causal effect on the “Big 5” personality traits of children aged 17 to 25. In particular, our results from longitudinal value-added models for personality suggest that paternal unemployment makes children significantly more conscientious and less neurotic. Our resu...

Journal: :Monthly Notices of the Royal Astronomical Society 2014

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده علوم 1393

برای ساخت ابررسانای سرامیکی bi1.64pb0.36sr2ca2-xcdxcu3o10 آلایش یافته با cd از روش سل ـ ژل استفاده شده است. در این تحقیق برای تهیه نمونه ها، مقدار آلایش کادمیم از 2/0-0=x در زمان های پخت مختلف (32، 48، 56 و 64 ساعت) تغییر داده شد. برای یافتن دمای پخت نمونه ها از ژل خشک شده آنالیز tga گرفته شد. با توجه به نمودار tga، در حوالی دمای 750 تا ?850 کاهش جرم آهسته تر صورت گرفته که در آن فاز ابررسانایی ...

Journal: :Superconductor Science and Technology 2001

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