AbstractAs one of the most common disasters in deep mine roadway, floor heave has caused serious obstacles to mine transportation and normal production activities.The third section winch roadway in the third mining area of Qitaihe Longhu coal mine has a serious floor heave due to the large buried depths of the roadway and the semicoal rock roadway,
8x4.25 A wideband circularly polarized slot spiral antenna array excited by a printed gap waveguide (PGW) feeding network is presented in this paper.The equiangular slot spiral is etched on the top wall of the substrate integrated cavity (SIC) in which TE120 mode is excited.Due to excitation of this mode, electric field distribution in two halves o
The self-assessment basedon Annex A of the ISO 9004:2009 standard is a very practical diagnostic tool and also very powerful for capturing the image of the organization quickly.It enables to have answers to questions suchas: what are the strengths and weakness of our organization? Do we have adequate processes, resources and competencies abandonado
Rhizobacteria associated with cultivated crops are known to stimulate plant growth through various indirect or direct mechanisms.In recent years, the host list of plant growth promotion/promoting rhizobacteria has expanded to include bean, barley, cotton, maize, rice, vegetables, peanut, rice, wheat, and several plantation crops.However, interactio
Penelitian yang dilakukan di Pondok Pesantren Modern Muhammadiyah Al-Furqan Banjarmasin ini bertujuan mencari tahu besaran kontribusi yang disumbangkan oleh media audio visual terhadap motivasi semangat dan minat pelajar PJOK pada peserta didik ketika program pembelajatan jarak jauh dimasa pandemi covid-19.Penelitian ini menggunakan teal horse blan