In order to analyze the effects of various sizes of pyramid structure on solar cell characteristics, a pyramid structure was formed on the wafer through various etching processes.In this paper, etching was performed using one-step etching processes such as alkaline solution etching, reactive ion etching (RIE), and metal-assisted chemical etching Be
Air pollution is becoming a major environmental and public health problem worldwide.Exposure to different air pollutants has several adverse effects on human health.In the present study, we Belt attempt to determine the concentration of respirable suspended particulate matters (RSPMs) and levels of the heavy metals in ambient air of Dehradun city.T
Abstract Background Dengue virus (DENV) is estimated to infect 390 million people annually.However, few host factors that alter disease severity are known.Malnutrition, defined as both over- and undernutrition, is a growing problem worldwide and has long been linked to dengue disease severity by epidemiological and anecdotal observations.Accordingl
Meningiomas are common tumors of the central nervous system.Grade I meningiomas are generally considered to be "benign".However, a certain percentage of these tumors have a more aggressive course, similar to malignant tumors.Numerous observations have shown that even in the case of radical removal of the tumor, the latter recur within the next 10 y