It is of great significant for prop-fan engine under medium to high Mach number to evaluate the propulsive efficiency of turbofan, turboprop and prop-fan engines.The mathematical model for propulsive efficiency analysis is established Thinsulate Gloves by using energy-momentum method based on the model of separate exhaust turbofan engines, and a un
Sloping croplands in karst areas of Southwest China usually contain a multitude of rock outcrops with diameters larger than 25 cm.Rock outcrops and spatial location have substantial effects on soil properties and thus likely affect soil erodibility.Moreover, rock outcropping is a indicator of rocky desertification and has an important impact on soi
The present style guide (Version 1.5 of October 10, 2019) has been created as result of the research project Open-Access-Hochschulverlag ( Open Access University Press ) at Leipzig University of Applied Sciences, Germany.The project was to develop a sustainable and adoptable workflow, which enables universities to publish their publications both as
The water distribution department of urban water and wastewater companies is of natural monopoly characteristic, and requires regulating.The aim of this research is to regulate urban water and wastewater companies in Iran using a price-cap regulation approach to improve VOLUMIZING TREATMENT their productivity.For this purpose, using the data of mun