TNF, IL-6, and IL-8 were activated during the course of the disease. IL-6 was associated with the immunopathological lesions caused by the hyperfunction of the humoral immune response. IL-6, IL-8 and TNF were involved in renal immune impairment. Determining them might, to a certain extent, be useful in predicting the prognosis and outcome of patients with HFRS.
Using the linear-response method, we investigate the phonon properties of β -cristobalite crystal under electronic excitation effect. We find that the transverse-acoustic phonon frequency becomes imaginary as the electron temperature is increased, which means that the lattice of β -cristobalite becomes unstable under intense laser irradiation. In addition, for the optic phonon mode, the LO(H)-TO(H) splitting disappears when the electronic temperature reaches a certain value, corresponding to the whole transverse-acoustic phonon branches becoming negative. It means that the electronic excitation destroys the macroscopic electric field of β -cristobalite. Based on the calculated phonon band structures, some thermodynamic properties are calculated as a function of temperature at different electronic temperatures. These investigations provide evidence that non-thermal melting takes place during a femtosecond pulse laser interaction with β -cristobalite.
Abstract:In this paper, the structural properties of technetium phosphides Tc 3 P and TcP 4 are investigated by first principles at zero pressure and compared with the experimental values. In addition, the electronic properties of these two crystals in the pressure range of 0-40 GPa are investigated. Further, we discuss the change in the optical properties of technetium phosphides at high pressures. At the end of our study, we focus on the research of the hardness of TcP 4 at different pressures by employing a semiempirical method, and the effect of pressure on the hardness is studied. Results show that the hardness of TcP 4 increases with the increasing pressure, and the influence mechanism of pressure effect on the hardness of TcP 4 is also discussed.
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