The Wolf–Rayet (WR) binary system WR140 is a close (0.9–16.7 mas; ref. 1) binary star consisting of an O5 primary and WC7 companion2 and is known as the archetype of episodic dust-producing WRs. Dust in WR binaries is known to form in a confined str
Cell cycle progression can be studied with computational models that allow to describe and predict its perturbation by agents as ionizing radiation or drugs. Such models can then be integrated in tools for pre-clinical/clinical use, e.g. to optimize kine
ProZES calculates this probability, the assigned share, for solid cancers and hematopoietic malignant diseases, in cases of exposures to low-LET radiation, and for lung cancer in cases of exposure to radon. User-specified inputs include birth year, sex, type of diagnosed cancer, age at ...
With the introduction of ion therapy with ions such as 12C6+, the consequences of complex DSB, which are more difficult to repair and require DNA-PKcs when repaired by NHEJ, needs to be considered in terms of an increased relative biological effectiveness of ion therapy and a reduction in th...
“The system is really easy to use and can be used for simple and complex procedures (for instance CTO). I recommend to use the Cathpax® AIR cabin in complex and long procedures because … read testimonial Mike de Wet Senior Radiographer Nuclear Medicine/PET-CT, Wales Research and Diagnos...
This paper discusses the radiation efficiency σ_(rda) of a complex vibrating body and gives its formulas in terms of the concept of point radiation impedance. The discussion in the paper has thrown new light on the radiation efficiency. 关键词: radiation sound power radiation noise point ...
and a further multiplication by ħω gives the radiation energy in this segment of the spectrum: (63.5)dEω=Vℏπ2c3 ω3dωeℏω/T−1. This formula for the spectral energy distribution of black-body radiation is called Planck's formula.† In terms of the wavelength λ = 2π...
Space is filled with radiation that can harm people. While Earth's magnetic field generally protects the planet, once astronauts venture beyond low-Earth orbit, they are constantly bombarded by a shower of dangerous particles known as cosmic rays. The longer an astronaut is in deep space, the ...
This method is based on the substitution of a matrix product for the radiative terms in the rate equation and the introduction of a symmetrical matrix, related in a simple way to the matrix representation of the radiation transfer probability space. Also, a vector proportional to the vector ...
The effect of radiation-reaction force on the dynamics of a charged particle in an intense focused light wave is investigated using the physically appealing Hartemann-Luhmann equation of motion. It is found that, irrespective of the choice of initial conditions, radiation reaction force causes the ...