The paper introduced working principle of underground personnel position and management green and gold masquerade mask system based on RFID technology and its application in Shanxi Gaohe Energy Co., Ltd.in details.The system can send information of dynamic distribution of personnel in all underground region to ground monitoring center in-timely and
Honey is a sweet and natural food product produced by bees which is mainly composed of sugar.Honey is also a rich source of amino acids, vitamins, minerals and other biologically active compounds.These properties lead to the widespread use of honey and increase the demand for honey around the world.Therefore, yuza blonde it is so important to make
3D printing techniques for the building industry are developing fast.Concepts like Contour printing, concrete printing concepts of the TU/E and D Shape are examples.Despite the range of techniques is broad (and vary from a large gantry system, to a supersized Delta printer for example), many of the developed 3D printing yuza blonde machines are con
A dual-band balanced to unbalanced power divider with independent power division ratios (PDRs) at two operating frequencies is proposed in this article.The proposed power divider bullard usrx includes a dual-band phase inverter, a grounded resistor, and four transmission-line sections (TLS).By simultaneously changing characteristic impedances and e
The conventional method for splicing cable that uses a hydraulic press to form a compression joint that connects the two ends of a cable is used in many countries using different types of hydraulic compression with different type of compressed tools shape.It is widely used in Egypt due to their simple construction, low cost and easy made, however,