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1041
Cloud computing based smartphone social authentication system
Published 2012-09-01“…Cloud computation provided the capabilities to store and compute infinitely,which can filled the gap of resource constrain.So a cloud-computation based social authentication system for smartphones aimed at the problem that the present authentication methods require a long period of validity of the authentication tokens and make the terminals consume large resources was proposed.The system took three types of social networking features into considered,which were different certification authority between the friends,behavior differences between individual and trust level carried by each interactive event.The results of experiments show that the system can effectively solve the problem that system performance will sharply decline when the expiry date of authentication tokens is short.…”
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1042
Research on Space-Ground Network Security Guarantee Technology
Published 2020-09-01“…The characteristics of space-ground network was combed.Against security threats in space-ground network,the security risks faced by measurement control,operation control,terminal access,wireless transmission,transmission,business information system,maintenance management were analyzed.Further,by dividing space-ground network security into four layers:foundation layer,access layer,network layer and application layer,a security architecture to protect space-ground network was proposed.An implement mechanism (including unifi ed security management and security situation aware,entity authentication and access protection,interconnection control,cipher on-demand service,dynamic reconstruction of security service ) was designed to guarantee the security of space-ground network.…”
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1043
Near crack free additive manufacturing of a novel W-Nb-C alloy
Published 2025-01-01“…Computational alloy design evaluated niobium (Nb) and carbon (C) to activate eutectic solidification, addressing the cracking issues during the terminal stage of solidification. Furthermore, these elements prevent O segregation at grain boundaries, thereby enhancing grain boundary cohesion in W. …”
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1044
Research on distributed mobile management of satellite network based on software define network
Published 2017-10-01“…Distributed mobility management (DMM) was an effective method to solve the mobile address handover.Therefore,it was considered to be a technology that can be applied to satellite network mobility management.A distributed mobile management scheme which based on software definition network (SDN) was proposed to solve the traffic redirection problem in satellite network.Different from the traditional DMM application scenario which was network-based or terminal-based,the SDN-DMM scheme implements location management and address handover in SDN controllers.Therefore,SDN-based satellite network distributed mobile management scheme can realize packet forwarding path optimization compared with traditional scheme,and it shows significant advantages in managementcost and traffic management.…”
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1045
Primary Cutaneous Diffuse Large B-Cell Lymphoma of the Upper Limb: Double Hit/Double Expressor with CNS Involvement: From Hospice to Remission
Published 2019-01-01“…The patient was deemed terminal and was recommended hospice care. The patient decided to continue with skin and crainospinal radiotherapy and intrathecal chemotherapy; she achieved complete remission. …”
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1046
Study on the Structural Innovation and Gear Cutting Experiment of Hypoid Gear for a CNC Milling Machine Tool
Published 2015-01-01“…The key points of structural innovation of a CNC milling machine tool YK2260 Xis introduced.The expressions of the movement of each axis by using modified-roll method for machining hypoid gear are deduced,the coordinates of the setting position,the initial as well as the terminal positions for machining are determined,and its programming procedures is introduced.A cutting experiment is performed on the YK2260 Xfor a kind of hypoid gear used in drive axle for automobile,the result indicates that with the software of modified-roll method installed,applying HFM method,the hypoid pinion would be machined by the 4-axis CNC milling machine tool.The contact area of the machining gear is favorable and satisfies the requirements of design.…”
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1047
HeartMate 3 upgrade and aortic root replacement for severe aortic insufficiency and ventricular fibrillation
Published 2025-05-01“…Due to her complicated surgical history, right heart failure, and prolonged cardiopulmonary bypass time the surgical aortic valve replacement and HeartMate 3 upgrade was complicated, but surgery was successful with subsequent termination of her ventricular arrythmias.…”
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1048
Application of Induced Polarization and Resistivity to the Determination of the Location of Metalliferous Veins in the Taroucht and Tabesbaste Areas (Eastern Anti-Atlas, Morocco)
Published 2019-01-01“…It has Late Neoproterozoic to terminal, Paleozoic and Quaternary lands. In order to obtain a better recognition of the different structural contacts and to define the alignment of mineralized veins in barite and galena at the level of the study area, we used the technique of electrical tomography. …”
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1049
Application Prospect of Space-Integrated-Ground Information Network in Railway
Published 2021-03-01“…With the advantages of wide coverage, no geographical restrictions and convenient establishment, the spaceintegrated-ground information network can integrate with the existing railway communication network and expand the railway communication service capacity and service scope.Based on the analysis of the application status of railway communication system in China, the application requirements of the space-integrated-ground information network from the aspects of railway business, technical development and intelligent railway construction were discussed.The overall application framework of the space-integrated-ground information network was put forward, the access mode and application mode of the network and satellite terminals were designed, and the typical application requirements in railway survey and construction, emergency rescue, railway operation and security were analyzed.…”
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1050
Breakdown of Counterflow Superfluidity in a Disordered Quantum Hall Bilayer
Published 2011-01-01“…We also discuss how our picture might be used to interpret experiments in the counterflow geometry and in two-terminal measurements.…”
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1051
Diffuse Hair Loss Induced by Sertraline Use
Published 2015-01-01“…Sertraline is a potent antidepressant which inhibits the serotonin reuptake from the presynaptic terminals selectively. The reason for hair loss could not be elucidated completely. …”
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1052
Diffuse Pancreatic Carcinoma with Hepatic Metastases
Published 2020-01-01“…However, most pancreatic cancer cases are detected at the terminal or metastatic stages. Therefore, timely diagnosis and therapeutic management are desirable goals for this disease. …”
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1053
Joint optimization algorithm for task offloading resource allocation based on edge-end collaboration
Published 2020-03-01“…In order to solve the problem of limited mobile terminal resources and improve task processing efficiency,a task offloading resource allocation algorithm based on edge-end collaboration was proposed.With the goal of maximizing the total benefit of tasks,the optimal task offloading resource allocation problem based on Lyapunov theory was formed by the constraint of service QoS guarantee and resource limitation.Since the problem is NP-hard,it was decoupled into a channel resource allocation problem solved by KKT condition and a 0-1 integer programming problem about task assignment.Compared with the traditional algorithm,the complexity of the proposed algorithm was O(mn),the efficiency was improved by about 20%,and the delay was reduced more than 15%.…”
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1054
Paget's Disease. Special Variety of Breast Cancer. A Case Report
Published 2012-12-01“…It is a rare disease that represents 1 to 3% of all breast cancers and is clinically characterized as an eczematous lesion on the nipple, later progressing to the areola surface and terminal lactiferous ducts. We present the case of a 48 years old female patient who attended consultation because of discoloration, eczema and depression of the nipple. …”
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1055
Research and Implementation of Parameter Management System for Mobile Communication Base Station
Published 2014-05-01“…In order to improve the efficiency of the management of base station engineering parameters, and engineering parameters for centralized statistics, analysis, trend prediction, and better serving the network optimization of the mobile operators, a set of management system was proposed for mobile communication base station parameters cooperating to the engineering parameters collection terminal of the base station. Through trial operation, the management system has achieved the expected effect, and it can provide a powerful help for mobile operators in network optimization.…”
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1056
“Black Esophagus” or Gurvits Syndrome: A Rare Complication of Diabetic Ketoacidosis
Published 2017-01-01“…Acute esophageal necrosis (AEN) also known as “black esophagus” or necrotizing esophagitis is a rare syndrome characterized by a striking diffuse patchy or circumferential black appearance of the esophageal mucosa that preferentially affects the distal esophagus and terminates at the gastroesophageal junction. Only 88 patients over a span of 40 years have received this diagnosis, and the prevalence of this disease ranges from 0.001 to 0.2% of cases in literature. …”
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1057
Fever-Associated Supraventricular Tachycardia after 4CMenB Vaccination in an Infant
Published 2019-01-01“…SVT was unresponsive to the first dose of adenosine but terminated after the fourth dose of adenosine. During three months of follow-up, she was free of further SVT attacks. …”
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1058
Research of the Actual Path for Hybrid Input Five-bar Mechanism
Published 2015-01-01“…While the hybrid input five-bar mechanism in the process of actual movement,constant velocity motor will generate speed fluctuation,as a result terminal actuator will come out path error.An actual path synthesis method in consideration of hybrid input mechanism dynamics is proposed in order to generate much more accurate path.By means of five times spline functions interpolation method making the ideal path of servo motor second-order continuous,the dynamics model of hybrid input mechanism which in consideration of motor dynamics is given,the calculation of the dynamics model is described,with the input of the servo motor as design variables to reduce the path error of end executor.Example simulation certifies that the path of the proposed method can generate more accurate path.…”
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1059
Individual encounter prediction based on mobile internet record data
Published 2017-10-01“…Studies on human movement behavior have drawn much attention with the availability of unprecedented amount of records with high accuracy involving individuals’ trajectories.The encounter prediction problem based on the session data generated by users’ mobile terminal was studied when users accessed the internet for data usage.Firstly,the network based on the encounter relations between users was constructed.Secondly,the network topology features were analyzed and user mobility characteristics and user internet behavior characteristics were introduced.Finally,the prediction model based on random forest was applied.The experimental results show that compared with the traditional network topology features,the prediction performance can be significantly improved by introducing the user mobility characteristics and user internet behavior characteristics.…”
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1060
Prevention and treatment of recurrent fractures after percutaneous vertebroplasty with denosumab in patients with osteoporotic vertebral compression fractures
Published 2025-01-01“…[Methods] A total of 72 patients diagnosed with osteoporotic vertebral compression fracture and treated by percutaneous vertebroplasty in the orthopedic department of the Second Affiliated Hospital of Guangzhou Medical University from January 2022 to December 2022 were selected as the study subjects.Patients were randomly divided into two groups, each had 36 cases.The control group received conventional anti-osteoporosis treatment, and the observation group added denosumab on the basis of control group treatment.Both groups were followed for 1 year, while the fracture rate and the levels of bone mineral density(BMD), visual analogue scale(VAS) score, oswestry disability index(ODI), beck value, sagittal cobb angle and procollagen type ⅠN-terminal propeptid(PINP) and β-carboxy-terminal cross-linked telopeptide of type Ⅰ collagen(β-CTX) were compared between the two groups. …”
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