Horizontal well is one of the important methods of unconventional oil and gas resource development.As increasing length of horizontal section, there is a serious problem that axial force cannot transfer to bit.The drilling field needs a low-friction and low-cost drag reduction tool.This article summarized existing technologies of drag reduction in
Abstract Inflammation is a physiological process whose deregulation causes some diseases including cancer.Nuclear Factor kB (NF-kB) is a family of ubiquitous and inducible transcription factors, in which the p65/p50 heterodimer is the most abundant complex, that play critical roles mainly in inflammation.Glucocorticoid Receptor (GR) is a ligand-act
Abstrak: Pendidikan yang dapat mencerdaskan bangsa adalah pendidikan yang terbebas dari unsur diskriminasi gender.Laki-laki dan perempuan, sama-sama berhak memperoleh pendidikan tinggi, sama-sama berhak jinsoon+coupons mengabdikan ilmu yang telah diperolehnya untuk kebaikan manusia, baik dalam lingkungan rumah tangga maupun diluar rumah tangganya.M
Different from an ordinary project, a large group mission like the unmanned aerial vehicle (UAV) swarm cooperative strike mission is performed by multiple executors and needs to be strictly carried out according to the plan.Because of the complex cooperative relationships between the sub-missions that make up a large mission, a small disturbance ma
Modern complex systems include products and services that comprise many interconnected pieces of integrated hardware and software, which are expected to serve humans interacting with them.As technology advances, expectations of a smooth, flawless system operation grow.Model-based systems engineering, an approach based on conceptual models, copes wi