There is a growing interest in the use of Autonomous Underwater Vehicles (AUVs) and Underwater Sensor Networks (USNs) for scientific, military, and industrial applications, leading to the development of wireless underwater communications.However, the channel for Underwater Acoustic (UWA) communications is challenging compared to the radio wave prop

estes c6-5 engines bulk pack Owing to the requirements for high performance and long life, the friction and wear problems of rolling piston type rotary compressors have drawn much attention.Various theoretical models have been developed and improved to reveal the inner state of the compressor and obtain the optimization schemes.However, there remai

Lodging is one of the main factors affecting the quality and yield of crops.Timely and accurate determination of crop lodging grade is of great significance for the quantitative and objective evaluation of yield losses.The purpose of this study was to analyze the monitoring ability of a multispectral image obtained by an unmanned aerial vehicle (UA

Sarah BahammamDepartment of Pediatric Dentistry and Orthodontics, College of Dentistry, Taibah University, Medina 344, Kingdom of Saudi ArabiaBackground and aim: Children make judgments about the dentist on the basis of dentists’ attire and talking gestures during dental visits.It is important to focus on dentists’ attire as they c

In reliability analysis for the practical engineering problems with the time-consuming model, it has become an important challenge that how to obtain accurate reliability assessment with a minimum number of calls.In order to reduce the computational cost, underwater treasures sunken medallion this paper develops a new sequential surrogate method co