A public complaint is a reciprocal of the population against the government to convey Coffee Machine Buttons opinions or problems encountered in certain areas.The complaint process using a suggestion box or counter complaint is less effective and efficient so that the complaint handling process is slow.The geographic information system of public co
Phosphor-converted light-emitting diode (pcLED) is one of the most promising methods to generate white light.The interaction of the excitation light with the phosphor in pcLED is a complicated phenomenon, combining light absorption, light conversion, and scattering.An effective and efficient way to predict the optical behavior of pcLED is using the
This paper studies the problem of distributed spectrum/channel access for cognitive radio-enabled unmanned aerial vehicles (CUAVs) that overlay upon primary channels.Under the framework of cooperative spectrum sensing and opportunistic transmission, a one-shot optimization problem for channel allocation, aiming to maximize the expected cumulative w
The risk evaluation of occupational exposure to xylene was conducted to provide a basis for the formulation of policies on the prevention and control of occupational hazards of xylene and to fill the gap in this field.In this study, a number of xylene-related companies in seven industries from 2020 to 2023 were collected as research subjects, and t