today, environmental crisis and loss of natural resources are the principle causes of the creation of environmental management systems. the optimal management of natural resources requires the assessment and classification of ecological and environmental potentials. using this method, the abilities and restrictions of resources can be recognized, and their future trends can be predicted. nebka ...

The most outstanding problem militating the production of earth block in Nigeria, is exorbitant prices cement, rice ash replaced with stabilized compressed to carry load. main objective this study was investigate sustainability earthen construction a partial replacement cement using Rice Husk Ash (RHA). RHA bye-product material obtained from combustion husk which consists non-crystalline silico...

sarygamesh basin one of the bulhary chay tributary take place in moghan plain, northeastern azarbyjan area in iran and south edge of kora- araz zone. aims of this research are study specificities and geomorphic evolution of sarygamesh basin, survey rivers work on structure and geologic formation, and corresponding hydrographic with earth structure. toward above aim is used to litologic, structu...

The effects of lagomorph grazing on the Orthoptera a small hill in Mistley (southeast England) were studied during summer 2020. Transect counts revealed low sward height with abundant bare earth due to high wild rabbit Oryctolagus cuniculus slopes. This intensive led only field grasshopper Chorthippus brunneus (Thunberg, 1815) adults being found any number slopes, perhaps utilizing short swards...

aims: in biological wastewater treatment processes, a large amount of sludge is produced. stabilization of sludge is essential before disposal because of the risks to human health and environment. therefore, selecting an appropriate process for stabilization this sludge may efficiently decrease risks. the aim of this study was to examine the compound efficiency of the advanced fenton and ozonat...

We survey the progress (or lack thereof!) that has been made on some questions about the p-adic slopes of modular forms that were raised by the first author in [Buz05], discuss strategies for making further progress, and examine other related questions.