976 Result(s)
within
Chapter
Hong-**g Zhang
-
Chapter and Conference Paper
Formability and Spring-Back of Light Metals at High Strain Rates
Formability or plasticity of light metals, such as aluminum alloys and titanium alloys, are quite strain rate sensitive. For most normal plastic forming processes like forging, stam**, rolling and extrusion,...
-
Chapter and Conference Paper
Research on Adaptability of Downhole Two-Stage Series Hydrocyclone Separation Technology
In view of the disadvantages of the separation technology in the same well injection -production technology, the downhole two-stage series hydrocyclone separation technology is put forward in order to overcome...
-
Chapter and Conference Paper
Seismic Performance of a Resilient Controlled Multiple-Rocking-Column Steel Frame System
Inspired by the rocking and energy dissipation mechanisms of ancient timber structures, a controlled multiple-rocking-column steel frame (MRCSF) system was proposed. It mainly consists of continuous beams, seg...
-
Chapter and Conference Paper
Effect of MgO, MnO, and Al2O3 on Vanadium Extraction in Sodium Roasting-Water Leaching Process of Vanadium Slag
The effect of different oxides in , such as MgO, MnO, and Al2O3 on in the sodium roasting-water leaching process has been investigated. The results show that the increase of these oxides has a positive influen...
-
Chapter and Conference Paper
Analysis of Heating Scheme of Mineral Insulated Cable Tubing-Casing Annular in Ultra-Deep Heavy Oil Well
When mineral insulated cables heat a heavy oil well, the temperature in the well will be affected by the heating position. Based on the theory of heat transfer and energy conservation principle, the mathematic...
-
Chapter and Conference Paper
Mechanism and Characteristics Analysis of Water-Producing Tight Gas Well in Daning-Jixian Block
There is generally no unified gas-water interface in tight sandstone gas reservoirs. The micro-scale reservoir is dominated by gas-water mixed storage. On the macro scale, there are small lens-shaped water bod...
-
Chapter and Conference Paper
A Novel Approximation Algorithm for Max-Covering Circle Problem
We study the efficient approximation algorithm for max-covering circle problem. Given a set of weighted points in the plane and a circle with specified size, max-covering circle problem is to find the proper p...
-
Chapter and Conference Paper
Project-Based Learning for In-depth Understanding of IoT Architecture: Design of IoT Liquid Flow Monitoring System Based on LoRa Communication
With the rapid development of the Internet of Things (IoT) industry, there is an increasing demand for cultivating industry talents in society. However, students often face difficulties in deeply understanding...
-
Chapter and Conference Paper
Comprehensive Management and Application for Big Data of Pre-stack Seismic Data
As the revitalization and development of Daqing oilfield has entered a new stage, new requirements have been put forward for the large-scale processing of massive seismic data, and the seismic data processing ...
-
Chapter and Conference Paper
Research on Drag Type Multi-stage Fracturing Technology for Casing Damaged Wells
In the process of oilfield development, some casing-damaged wells occur, and the remaining oil controlled by them requires fine subdivision fracturing to tap the potential. Developed Φ95 mm small-diameter pack...
-
Chapter and Conference Paper
A Method for Evaluating the Observation Effectiveness of Microwave Remote Sensing Satellite Constellation
Satellites tend to form a constellation for better performance over a region of thousands of kilometers. However, how to set up the configuration of the constellation is still a challenge for an engineer. This...
-
Chapter and Conference Paper
Temperature Prediction of Continuous Casting Slab Based on Improved Extreme Learning Machine
A fusion ELM model based on ensemble learning was proposed to predict slab . Combined with the actual production data of a mill, the integrated ELM, ELM, ANN, BP networks are designed and the comparison tes...
-
Chapter
Optimal Sizing and Operation of Hybrid Renewable Energy System: A Techno-Economic Analysis of Residential Building Considering Seasonal Storage
Sizing and operational optimization are essential for a reliable and cost-effective hybrid renewable energy system (HRES). This study develops an optimization framework to improve the techno-economic performan...
-
Chapter
Surface Water
This chapter assesses surface water changes due to climate change and human activities, by particularly examining runoff and streamflow. Changes in the hydrological cycle due to climate change and human intervent...
-
Chapter and Conference Paper
Hydrodynamic Oscillator Mechanism Research and Field Application
To solve the problem of high friction and high pressure during drilling, and to improve the drilling speed of sliding drilling machinery, this paper researches the mechanism of hydraulic oscillator by using nu...
-
Chapter and Conference Paper
Application of MGI Inversion Technology in Coal Seam Thickness Prediction
The overlying strata of the No. 8 coal seam in Block XX of the Ordos Basin are Taiyuan Formation limestone, and the underlying strata are Benxi Formation sandstone and mudstone, with complex vertical lithology...
-
Chapter and Conference Paper
Ortho- to Para-Hydrogen Spin Conversion Performance of Ho-Fe2O3 Catalytic at 77 K
In the process of hydrogen liquefaction, the conversion of ortho- to para-H2 is necessary to ensure the long-time storage of liquid hydrogen. Ortho- to para-H2 conversion catalysts can accelerate the rate of conv...
-
Chapter and Conference Paper
A Comparative Study of Pre-Stack Fracture Prediction Methods for Coal Bed Methane
The No.8 coal seam in the Taiyuan Formation of the lower Permian with a burial depth greater than 2,000 m in the XX block of the eastern margin of the Ordos Basin has a confirmed reserve of over 100 billion cu...
-
Chapter and Conference Paper
A Human Digital Twin Based Framework for Human–Robot Hand-Over Task Intention Recognition
Industry 5.0, the upcoming industrial revolution, places a strong emphasis on human-centric smart manufacturing, redefining the state and role of humans in the process of human–robot collaboration (HRC). The h...
-
Chapter and Conference Paper
Event Sparse Net: Sparse Dynamic Graph Multi-representation Learning with Temporal Attention for Event-Based Data
Graph structure data has seen widespread utilization in modeling and learning representations, with dynamic graph neural networks being a popular choice. However, existing approaches to dynamic representation ...
