The positioning control of the hydraulic support pushing system in the fully mechanized mining face is the key technical support to realize intelligent mining.The opening and closing of the existing support switch reversing valve will cause a sudden change in the system pressure and flow under the conditions of high pressure and large flow, which w
Abstract The acquisition of basic surgical skills is a key component of medical education and trainees in laparoscopic surgery typically begin developing their skills using simulation box trainers.However, despite the advantages of simulation surgical training, access can be difficult for many trainees.One technique that has shown promise to enhanc
This paper presents an automatic grading method DGRADER, which handles complex multifile programs.Both the dynamic and the static grading support multifile program analysis.So, it can be an advantage to handle complex programming problem which requires more than one program file.Dynamic analysis takes advantage of object file linker in compilation
Background: Low vaccination rates in children remain a major problem in resource-poor areas of the world.Missed opportunities for vaccination may be one of the important contributors to the menace.Objectives: To determine the prevalence of missed opportunities for vaccination and identify factors associated with this among Nigerian children in the