نتایج جستجو برای: doping control
تعداد نتایج: 1353503 فیلتر نتایج به سال:
Semiconductor surfaces and ultrathin interfaces exhibit an interesting variety of two-dimensional quantum matter phases, such as charge density waves, spin density waves and superconducting condensates. Yet, the electronic properties of these broken symmetry phases are extremely difficult to control due to the inherent difficulty of doping a strictly two-dimensional material without introducing...
Sporting competition in our society has become the spectacle that mobilises and brings together the greatest number of people throughout the world, with the corresponding cultural and economic influence that this implies. As a result, the desire for athletic prowess has led sportspersons to undergo intense training programs and to consume substances that improve their performance, at times havi...
The results and the improvement of the analytical procedures adopted for the control of doping in horses will be reported. This control has been systematically carried out in Italy for about 10 years in the laboratories of Italian Federation of Sport and Medicine in which the biological samples for the control of doping in various sport activities (football, cycling, athletics etc.) are also ex...
The technique of molecular beam epitaxy has recently been used to demonstrate the growth of terahertz frequency GaAs/AlGaAs quantum cascade lasers (QCL) with Watt-level optical output powers. In this paper, we discuss the critical importance of achieving accurate layer thicknesses and alloy compositions during growth, and demonstrate that precise growth control as well as run-to-run growth repr...
background: the high prevalence and potential side effects of anabolic-androgenic steroids (aas) misuse by athletes has made it a major public health concern. epidemiological studies on the abuse of such drugs are mandatory for developing effective preventive drug control programs in sports community. this study aimed to investigate the prevalence of aas abuse and their association with some ps...
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