Chinese Science Bulletin

The Sorder differential equation characterizes the RLC parallel cir- cuit, the circuit is classified as a second-order circuit. The two differential equations have the same form. In a parallel RLC circuit, the answer is the inductor current; in a series RLC circuit, the unknown is represented by the capacitor voltage A resistor, inductor, and capacitor are linked either serially or paral- lelly in second-order RLC circuits. The same method used to examine an RLC series circuit can also be used to study a second-order parallel circuit.Since the parts of the previously presented example paralle

This paper presents an accurate method to determine fault location on Transmission Lines (TLs). The proposed method utilizes information contained in the voltage and current signals that measured at both TL terminals; This data is taken prior to and during the fault time period. The method is based on using the fault current formula during the transient period for calculating the AC component of fault currents; and then the differential equation is applied to obtain an accurate fault location on the TL. The Fault Location (FL) algorithm can be divided into three modules: fault detection module

Visual recognition is an important task in computer vision, several areas of application ranging from facial recognition systems to object detection and autonomous vehicles draw attention to this field. Using deep learning techniques, it has become possible to identify objects, places, people, writings, and actions in image. This paper highlights this crucial pertinence of deep learning in visual recognition, remarkably in the situation of image and object classification. The reason of its importance is the number of scientific papers published in this direction and this field attracts the att

Most of the shut-in wells in the DAL structure have a high water cut value. Strategy for reactivation of shut-in wells in the DAL structure begins with the screening of wells and layers with well parameters such as high water cut (WC) more than 90%, comparison of recovery factor from cumulative production with in-place wells radius and calculation of recovery factor based on special core analysis (SCAL) data, production forecast, and economic analysis. Based on the screening results, the DAL-031 well was selected as a candidate for the reactivation well, which was closed on January 21, 2016 du

The development and research of composite materials for railway Brake Shoes (BS) is currently being implemented. Studies in the past have shown that the hand lay-up method can be successfully utilized to fabricate BS. Nevertheless, it was discovered that the final density did not match the range that INKA (Indonesian Railway Company) Ltd. had established, which was 1.7 to 2.4 g/cm³. The present research looked at how the duration that occurred during the compression molding process affected the composite BS's properties. The compression cold molding method was employed in the composite manufa