نتایج جستجو برای: energy carriers
تعداد نتایج: 707965 فیلتر نتایج به سال:
The APOE gene, encoding apolipoprotein E, is the primary genetic risk factor for late-onset Alzheimer's disease (AD). Apolipoprotein E ɛ4 allele (APOE4) carriers have alterations in brain structure and function (as measured by brain imaging) even as young adults. Examination of this population is valuable in further identifying details of these functional changes and their association with vuln...
The combination of its high electron mobility, broadband absorption and ultrafast luminescence make graphene attractive for optoelectronic and photonic applications, including transparent electrodes, mode-locked lasers and high-speed optical modulators. Photo-excited carriers that have not cooled to the temperature of the graphene lattice are known as hot carriers, and may limit device speed an...
This paper presents an approach for the combined optimization of energy systems including multiple energy carriers such as electricity, natural gas, and district heat. Power flow and conversion between the different energy infrastructures are described as multi-input multi-output coupling, what enables simple analysis and optimization of the flows. While previous work deals with operational opt...
objective(s): according to the unique properties of magnetic nanoparticles, nickel metal-organic frameworks (mof) was synthesized successfully by ultrasound irradiation. metal-organic frameworks (mofs) are organic–inorganic hybrid extended networks that are constructed via covalent linkages between metal ions/metal clusters and organic ligands called a linker. materials and methods: the nanopar...
When high-energy photons are absorbed in a semiconductor or metal, electrons and holes are generated with excess kinetic energy, so-called hot carriers. This extra energy is dissipated, for example, by phonon emission, which results in sample heating. Recovery of hot carriers is important for detectors, sensors, and power convertors; however, the design and implementation of these devices is di...
We derive an analytical solution to the Boltzmann transport equation (BTE) to relate nondiffusive thermal conductivity measurements by thermoreflectance techniques to the bulk thermal conductivity accumulation function, which quantifies cumulative contributions to thermal conductivity from different mean free path energy carriers (here, phonons). Our solution incorporates two experimentally def...
انرژی هسته‌ای یکی از منابعی است که نقش عمده‌ای در تولید برق ایفا می‌کند. تحلیل روند سطح تقاضا و منابع عرضه‌ی انرژی در جهان، توجه به روند تهی شدن منابع فسیلی در دهه‌های آینده و مزیت‌های زیست‌محیطی انرژی اتمی، از عواملی هستند که سبب شده‌اند تا انرژی هسته‌ای یکی از حامل‌های قابل‌دسترس و مطمئن انرژی در جهان به شمار رود. از این رو بررسی تأثیرات انرژی هسته‌ای بر رشد اقتصادی به منظور درک دلیل سرمایه‌گ...
4 Emission inequality across countries and the contribution of the energy mix and the sectoral 5 composition of a country’s energy use are of central importance to the climate debate. We 6 analyze the evolution of inequality in global CO2 per capita emissions using both historical 7 data on energy-related CO2 emissions and future emission scenarios generated with the 8 integrated assessment mod...
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