In order to improve the glossiness of acid etched wafer and achieve stable mass production, by optimizing process of producing silicon wafer, rotate and grind the wafer to be double-sided grinding wafer, then acid etch the wafer.The glossiness Drinks of acid etched wafer reached more than 360 Gu (re fl ectivity greater than 98%) and the service lif

Estimates suggest that over 350,000 deaths and more than 20 million severe disabilities result from the complications of pregnancy, childbirth or its management each year.Death and disability occur predominately among disadvantaged women in resource-poor settings and are largely preventable with adequate delivery care.This paper presents the substa

This paper presents a novel design for uplift piles incorporating a composite-anchor system.The composite-anchor system consists of steel strands, a non-expansion grouting body, and a high-strength steel pile.The aim of this design is to enhance the mechanical performance, durability, and economic efficiency of uplift piles.To evaluate the performa

Transparency is an essential tool of local governance which enables the local citizens to hold local institutions accountable for their performance, to foster trust in government, minimize corruption and improve Sweaters local service delivery.Accountability and transparency have been on the top of agendas in all the local government reforms in Tan