A theoretical model is proposed in this paper in order to study the performance of oil-less and oil-injected twin new belial model screw air compressors.Based on this model, a computer simulation program is developed and the effects of different design parameters including rotor profile, geometric clearance, oil-injected angle, oil temperature, oil

In the Central Red Sea, healthy coral reefs meet intense coastal development, but data on the effects of related stressors for reef functioning are lacking.This in situ study therefore investigated the independent and combined effects of simulated overfishing through predator/grazer exclusion and simulated eutrophication through fertilizer addition

Safety behavior for new generation miners plays a vital role in coal mine safety production, and is of great significance to reducing the occurrence of safety accidents.In order to explore the influence mechanism of safety cognition for new generation miners on safety behavior, a questionnaire survey was conducted among 213 new generation miners to

This research focuses on the problem that is suspected to have an important influence, namely the ability to detect fraud ( fraud ), from professionalism, experience, independence, and professionalism, the size of the research is internal audit working in pharmaceutical industry companies in Jadebotabek.The population in this study is the enterpris

This document provides an overview of new belial model booklice and silverfish, detailing their biology, life cycles, and control methods.Booklice, or psocids, feed on fungi and organic matter, thriving in warm, humid environments.Silverfish and firebrats, belonging to the Order Zygentoma, damage materials high in protein, sugar, or starch.Effectiv