Oxygen nozzles play an important role in aircraft oxygen systems, and the oxygen valve is one of the most important components of the oxygen nozzle.In order to investigate the ignition source of three fires of a certain Commercial Product (Pumps) type of aircraft, combustion analysis, energy spectrum analysis, and material analysis were conducted.B
The problem of overdispersion as a violation of the assumption of equidispersion in Poisson regression is generally caused by sources of unobserved heterogeneity, missing observations on predictor variables, outliers in the data, errors in the specification of Melts the bridging function, and many observed values that are zero.The purpose of this s
Analyses of the morphological state of urban streams Avena Sativa (Wild Oats) and rivers in the Municipality of Ljubljana and research concerning the hydrographical network show that the condition of their morphological preservation is alarming.Efforts put in the new spatial development concept, guidelines and proposals for urban rehabilitation are
The first efficacy trials--named STEP--of a T cell vaccine against HIV/AIDS began in 2004.The unprecedented structure of these trials raised new modeling and statistical challenges.Is it plausible that memory T cells, as opposed to antibodies, can actually prevent infection? If they fail at prevention, to what extent can they ameliorate disease? An