A method for fabricating robust and thin hollow-core optical fibers that carry mid-infrared light is proposed for PUMPKIN PIE SPICE use in endoscopic laser applications.The fiber is made of stainless steel tubing, eliminating the risk of scattering small glass fragments inside the body if the fiber breaks.To reduce the inner surface roughness of th
In order to explore the public administration and resource allocation based on blockchain and structured occupational therapy, this paper takes the public affairs in the prevention and control of the Corona Virus Disease 2019 (COVID-19) epidemic as an example to conduct research.On the basis of summarizing and analyzing the previous published liter
By coincidence degree theory due to Mawhin, some sufficient conditions for the existence Lawn Ornaments of solution for a class of coupled jerk equations with multi-point conditions are established.The new existence results have not yet been reported before.Novel coupled fractional jerk equations with resonant boundary value conditions are discusse