Iran has a great potential for wind energy.This paper introduces optimization of 7 wind turbine blades for small and medium scales in a determined wind condition of Zabol site, Iran, where the average wind speed is considered 7 Medical Mattresses m /s.Considered wind turbines are 3 bladed and radius of 7 case study turbine blades are 4.5 m, 6.5 m,

Mining sites are areas where mining and restoration coexist and are constantly changing.The vegetation condition can reflect the process of surface mining and restoration, while quantifying the impacts of different mining patterns and surrounding environments on vegetation is the key to balancing mining activities and ecological restoration.In this

As Severe acute respiratory syndrome-Coronavirus-2 (SARS-CoV-2) emerged in 2019, scientists sought to find a way of inactivating this new virus to effectively disinfect surfaces, air, hands, etc.The first proposed manners were on the basis of chemical disinfectants such as chlorine and bleach, however, application of these methods can result in som

Aiming at the problem of the gearbox bearing and gear shaft locking due to the startup sequence error in the high- speed gear units startup process.Through the technical analysis of Shorts the gearbox casing structure,the bearing structure and the lubricating oil stations,of a high- speed gear Vitamin A transmission device without pre- lubricated s

Artikel ini menjelaskan tentang Studi Sosial Ekonomi Petni Kayu Manis di Tanah Rata Banda Naira 1970-2022.Penelitian ini mengunakan metode sejarah lisan, yakni keterangan langsung dari para petani sebagai aktor utama, dan studi literatur juga hasil observasi Bicycle Computers langsung seerta dokumentasi, dengan tahapan heuristik, kritik, interperta