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Article
Generalization in Deep RL for TSP Problems via Equivariance and Local Search
Deep reinforcement learning (RL) has proved to be a competitive heuristic for solving small-sized instances of traveling salesman problems (TSP), but its performance on larger-sized instances is insufficient. ...
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Article
Open AccessMetal 3D nanoprinting with coupled fields
Metallized arrays of three-dimensional (3D) nanoarchitectures offer new and exciting prospects in nanophotonics and nanoelectronics. Engineering these repeating nanoarchitectures, which have dimensions smaller...
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Article
Open AccessNext-generation sequencing in the diagnosis of neurobrucellosis: a case series of eight consecutive patients
Neurobrucellosis (NB) presents a challenge for rapid and specific diagnosis. Next-generation sequencing (NGS) of cerebrospinal fluid (CSF) has showed power in detection of causative pathogens, even some infreq...
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Chapter and Conference Paper
Civil Engineering Structure Intelligent Sensing Sensor and Health Monitoring System
In the innovation and development of intelligent materials, civil engineering structure health monitoring system belongs to the system with modern information engineering software as the core development platf...
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Article
Overflow warning and remote monitoring technology based on improved random forest
Overflow accident is one of the accidents with the greatest impact on safe drilling. An unclear diagnosis of an overflow accident or improper post-processing may cause serious drilling accidents. Based on this...
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Article
Effects of Nozzle Layout and Parameters on the Jet Characteristics of a CO2 + O2 Mixed Oxygen Lance
The application of CO2 for converter steelmaking results in several beneficial effects. However, limited studies have investigated the influence of CO2 and O2 mixed injection on jet flow field and whether jet cha...
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Article
Influence of Carrier Gas of Converter Oxygen Lance on Smooth Distribution of O2−CO2−CaO Mixed Jet
Converter steelmaking is the primary steelmaking method because of its fast production rhythm and ability to handle molten iron. Despite its benefits, there are some limitations with this method that cannot be...
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Article
Physical Simulation and Industrial Testing of Bottom-Blown O2-CaO Converter for Steelmaking Process
Bottom-blowing O2-CaO steelmaking technology has numerous advantages such as low iron and steel consumptions, low dust emissions, and molten steel cleanliness. Responsive to a weak stirring and high iron oxide sl...
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Article
Simulation and Application of Submerged CO2-O2 Injection in Electric Arc Furnace Steelmaking: Modeling and Arrangement of Submerged nozzles
The technology of submerged CO2-O2 injection was developed to enhance the circulation in liquid baths and accelerate the smelting reaction rate in electric arc furnace (EAF) steelmaking. In this study, the effect...
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Article
Effect of Nozzle Exit Wear on the Fluid Flow Characteristics of Supersonic Oxygen Lance
Supersonic jet characteristics of oxygen lance nozzles have a significant influence on smelting; however, presently, little research has been carried out to investigate the influence of wear on the jet charact...
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Chapter and Conference Paper
Optimization Dephosphorization Process of the Early Stage in 300t Steelmaking Converter with Top and Bottom Combined Blowing
The effect of oxygen supply systems and composition on in the early stage of smelting was studied. Metal samples, samples, and molten temperatures of a 300t at different smelting stages were analyzed...
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Chapter and Conference Paper
Theoretical and Experimental Research on the Mass Changes of Elements in Molten Steel with CO2 Used as RH Lifting Gas
CO2 injection into RH as lifting gas was recently proposed instead of Ar. In this study, software was used for calculating the of elements in thermodynamic equilibrium with CO2 injection under vacuum conditio...
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Article
Research on Selective Oxidation of Carbon and Aluminum with Introduction of CO2 in RH Refining of Low-Carbon Steel Process
The injection of CO2 during the Rheinstahl–Heraeus (RH) refining process as a lifting gas is a new attempt for the steel industry, and can promote refining effect and realize the utilization of CO2 as a resource....
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Article
Open AccessNight Sleep Duration and Risk of Incident Anemia in a Chinese Population: A Prospective Cohort Study
The purpose was to study the association between sleep duration and the prevalence of anemia in Chinese people. There were 84,791 participants (men: 79.1%; women: 20.9%) aged 18–98 years in the prospective stu...
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Chapter and Conference Paper
Strengthening Mechanisms of V-Ti-Mo Microalloyed 900 MPa Hot-Rolled Ferritic Steel
A new V-Ti-Mo complex micro-alloyed hot-rolled high strength sheet steel was developed by controlling a thermomechanical controlled processing (TMCP) schedule, in particular with variants in coiling temperatur...
