This study aims to evaluate concrete having Waste Marble Powder (WMP) as partial replacement of cement. is the metamorphic form limestone (CaCO3) and WMP was chosen substitute cement on account its high calcium oxide content. by-product marble industry an environmental burden. The manufacturing also environmentally hazardous owing emission greenhouse gases. Thus, recycling in place offers two e...

Numerous inselbergs rise above the regional erosional surface in semiarid northeastern Brazil. The are underlain by Quixadá Pluton and cut cm-thick granite dike swarms. Five with abundant dikes from two different parts of pluton were selected to investigate role patterns evolution residual topography, including morphological features hillslopes. methods included field mapping landforms, structu...

Abstract Small historical churches in rural villages are mainly functional buildings, lacking spectacular architectural or ornamental features. This is also true for the St. Johannis Chapel Lütgenrode near Göttingen (Lower Saxony, Germany), which dates back to 13th century. The use of ca. 10 different natural building stones (Triassic sandstone and limestone, Holocene fresh water carbonate), sc...

Research Update: Behind the high efficiency of hybrid perovskite solar cells Azhar Fakharuddin,1,2,a Francesca De Rossi,3,a Trystan M. Watson,3 Lukas Schmidt-Mende,1 and Rajan Jose4,a 1Department of Physics, University of Konstanz, D-78457 Konstanz, Germany 2School of Chemical and Materials Engineering, National University of Sciences and Technology, H-12, Islamabad, Pakistan 3College of Engine...