Smart phones should be used to help individual activities, but it is not denied if they are used as a self-consolation device until they become addicted.For this reason, this study aims to produce an application called "career adventures" that is feasible and can improve the career maturity of adolescents, and is in harmony with developments omni l

In this work, a new constrained numerical optimization approach is proposed for solving offline the led cocktail smoker Inverse Kinematics Problem (IKP) of articulated robots, which consists on optimizing the joint displacement while the end effector is positioned and oriented in a desired pose.The novelty of this approach is in the formulation of

Reconfigurable intelligent surfaces (RIS) are passive controllable arrays of small reflectors that direct electromagnetic energy towards or away from the target nodes, thereby allowing better management of signals and interference in a wireless network.The RIS has the potential for significantly improving the performance of wireless networks.Unfort

Machine-to-machine (M2M) communication is a system that allows information interaction between machines independently and automatically through a network without human intervention.However, when massive M2M devices access the network, they can quickly scramble preambles, and induce significant network congestion.Specially, when the massive M2M devi

AIM: To evaluate the ophthalmic manifestations, radiographic features, and prognosis of Chinese patients with primary orbital mesenchymal chondrosarcoma (MCS).METHODS: The study included 6 cases with primary orbital MCS treated at Tianjin Eye Hospital from January 2009 to December 2019.Patitent ophthalmic manifestations, radiographic features, diag