Tapered roller bearings (TRBs) are widely used in heavy-load rotating machinery.One of the technical problems in TRBs is the existence of sharp spikes of the contact pressure in the vicinity of the two ends of the tapered rollers.To suppress the pressure spikes at the roller ends, a straight roller profile is crowned in cylindrical and tapered roll
Over the last few years, there is an apparent growing concern amongst O&G trainees of the inadequacy in exposure to minimally invasive gynaecology surgical training, which has been inadvertently compounded by the more stringent working hour regulations and disproportionately increasing number of trainees relative to surgical volume.Therefore, it is
Simple, economic and sensitive mathematical spectrophotometric methods were developed for the estimation 4-aminoantipyrine in presence of its acidic product.The estimation of binary mixture 4-aminoantipyrine and its acidic product was achieved by first derivative and second derivative spectrophotometric methods by applying zero-crossing at (valley
It is not a coincidence that cryptocurrencies coincide with the date of their release in 2009.As a result of the global crisis experienced in 2008 and the money printing policies of the central banks, inflation created worldwide.Although the inflation experienced did not cause the decrease in trust in money and banks, it was not the only reason tha