Abstract: This paper presents report of a design work on petroleum leakage detectionsystem. It is a system that is designed to monitor seepage of petroleumproducts across pipeline installations. The design work which was simulated on a PROTEUS software, consists of a gas detecting sensor (GH-312),an 8-bit (AT89C51) Microcontroller, an alarm system and a remote PC. Itwas implemented as a laboratory prototype to sense seepages, generate analarm and also... More

Abstract: The study on scientific analysis and prediction of China’s future carbonemissions is conducive to balancing the relationship between economicdevelopment and carbon emissions in the new era, and actively respondingto climate change policy. Through the analysis of the application of thegeneralized regression neural network (GRNN) in prediction, this paperimproved the prediction method of GRNN. Genetic algorithm (GA) wasadopted to search the... More

Abstract: In the whole research process of electromagnetic wave, the research of terahertz wave belongs to a blank for a long time, which is the least known and least developed by far. But now, people are trying to make up the blank and develop terahertz better and better. The charm of terahertz wave originates from its multiple attributes, including electromagnetic field attribute,photon attribute and thermal attribute, which also attracts the attention... More

Abstract: The brush lock is due to assembly tightly during assembling three gripper so that it curls after some time in motor and bare motors. The motor happen to have current decreasing and cause rotary too slowly is an important technique problem. At last the motor hasn’t worked due to disconnection. It give company to bring assembly issue for customers. So the motor stall is main issue in motor working. We shall pay more attention to it necessarily and... More