Using first-principles calculations we have studied the valence and structural transitions of the rare earth monotellurides RTe (R = Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm and Yb) under pressure. The self-interaction corrected local spin-density approximation is used to establish the ground state valence configuration as a function of volume for the RTe in both the NaCl (B1) and CsCl (B...

Evaluating rock masses for dam foundations, especially heterogeneous (flysch), becomes imperative and requires accurate geomechanical classifications. The rocks at the Kanarwe river basin, a proposed site (Goma-Qazan near Khewata, Sura Qalat villages), mainly consist of interlaying massive carbonate Aqra Formation with flysch Tanjero Formation. Therefore, selecting appropriate types is challeng...

The paper emphasizes the main lessons learned from hydromorphological monitoring following removal of a medium-sized dam (7.29 m) located on medium energy gravel bed river over four year period (2015–2019). Pierre Glissotte was previously upper Yonne (Morvan massif), where it an obstacle to sediment continuity and almost completely filled with sand silts. removed in two steps, first July 2015 s...

During construction of concrete faced rockfill dam (CFRD), the extrusion-sidewall will be protruding or deficiency under normal. Before panel construction, local slope cutting should taken for squeezed side wall supplementary filling measures after excavating wall, which affect mechanical deformation panel. According to monitoring data concrete-faced dams some hydro-electric station in Hubei Pr...

New germanium-platinum compounds with the filled-skutterudite crystal structure were synthesized. The crystal structure and composition were investigated by x-ray diffraction and microprobe analysis. Magnetic susceptibility, specific heat, and electrical resistivity measurements evidence superconductivity in LaPt4Ge12 and PrPt4Ge12 below 8.3 K. The parameters of the normal and superconducting s...

Guided bone regeneration (GBR) has been shown to be an optimal technique accelerate the process thanks action of membrane barriers that promote tissue healing through osteogenesis, inducing repopulation with osteoprogenitor cells prevent invasion non-osteogenic tissue. However, current membranes, such as expanded polytetrafluoroethylene or rubber dam, have some disadvantages could potentially r...