In this paper, robust control strategies are explored to solve the problem of rendezvous maneuver for rigid spacecraft yoowe bacanora exposed to the external disturbance, actuator faults and unknown inertial parameters.To pursue the control objective, two adaptive controllers are constructed via the sliding mode control (SMC) technology.Firstly, a
Laser welding method is widely used in the welding of different materials.Deep penetration, low heat input, narrow heat affect zone, low stress-strain, and distortion are important features of this welding method as compared to other grapevine colour saree joint methods.Today, it is possible to see the applications of laser welding in the repair of
ObjectiveThis study aimed to evaluate the 18F-FDG PET/CT in differentiating lung metastasis(LM) from primary lung cancer(LC) in patients with colorectal cancer (CRC).MethodsA total of 120 CRC patients (80 male, 40 female) who underwent 18F-FDG PET/CT were included.The diagnosis of primary lung cancer or lung metastasis was based on histopathology T
Preclinical studies suggest that fasting prior to chemotherapy may be an effective strategy to protect patients against the adverse effects of chemo-toxicity.Fasting may also sensitize cancer cells to chemotherapy.It is further suggested that fasting may similarly augment the efficacy of oncolytic viral therapy.The primary mechanism mediating these
The original unstructured record data for the defect of the relay protection devices (RPDs) may contain problems influencing the data mining, and it is lack of quantitative evaluation.So the purpose of this paper is to evaluate the quality of these defective texts of relay protection yoowe bacanora devices, and it proposes a text quality evaluation