نتایج جستجو برای: specific energy absorption
تعداد نتایج: 1765660 فیلتر نتایج به سال:
Obesity is a Health issue around the world. Obesity is not limited to body weight, generally associated with low grade inflammation and with a cluster of disorders generally referred to as "metabolic syndrome". Regarding obesity and relapse, long-term concentration was set on the hypothalamus. Most recently,obesity- Originated neuroinflammation has been shown to affect other brain str...
Mass energy absorption coefficients and effective atomic numbers for photon energy absorption, ZPEAeff have been calculated in the energy range from 1 keV to 20 MeV for human tissues, Adipose Tissue, Blood Whole, Bone Cortical, Brain Grey/White Matter, Breast Tissue, Eye Lens, Lung Tissue, Muscle Skeletal, Ovary, Testis, Soft Tissue. Mass energy absorption coefficients and effective atomic numb...
The energy spectrum of X-ray photons after passage through an absorber contains information about its elemental composition. Thus, tissue characterisation becomes feasible provided that absorption characteristics can be measured or differentiated. Dual-energy CT uses two X-ray spectra enabling material differentiation by analysing material-dependent photo-electric and Compton effects. Elemental...
this paper presents an approach to modeling of field penetration and gives contribution to understanding the real effects of the fields and the sensitivity of human model to electromagnetic radiation generated by mobile antenna. when a human body is exposed to the electromagnetic radiation, because human body contain 70% of liquid, and it contain more liquid near of head, heart, abdomen (near o...
Mass specific optical absorption coefficients of mineral dust components measured by a multi wavelength photoacoustic spectrometer N. Utry, T. Ajtai, M. Pintér, E. Tombácz, E. Illés, Z. Bozóki, and G. Szabó Department of Optics and Quantum Electronics, University of Szeged, Szeged, Hungary Hungarian Academy of Sciences on Photoacoustic Research Group, Szeged, Hungary Department of Physical Chem...
The transport of radioactive substances is, in many ways, necessary the context nuclear fuel cycle that aims to generate energy or radioisotopes. In event a possible accident, shock-absorbing parts reduce mechanical stresses on other components packaging, since large part kinetic is absorbed by shock absorber. To standardize design research reactor spent assembly devices numerical analysis, set...
یکی از مشکلاتی که در بعضی موارد باعث محدود شدن کاربرد بتن می گردد، ترد بودن و عدم شکل پذیری این ماده می باشد. بتن معمولی بعد از رسیدن به ظرفیت نهایی خود و ترک خوردگی متلاشی می شود و قابلیت تحمل بار خود را از دست می دهد. به همین دلیل تا کنون محققین با افزودن مواد متنوعی به بتن سعی کرده اند تا بر این مشکل غلبه کنند. افزودن الیاف به بتن، این ماده را در مقابل بارهای بعد از ترک خوردگی مقاوم می کند و...
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