69 Result(s)
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Chapter and Conference Paper
State-Integration Neural Network for Modeling of Forced-Vibration Systems
Dynamic analysis of forced-vibration systems could be computationally inefficient or even difficult to converge if the systems are highly complicated. Rapid advances in machine learning make it possible to est...
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Chapter and Conference Paper
Reliability-Based Design of Minimum Safe Net Distance Between Small-Space Tunnels
Due to the low occupation of land and the suitability in environmental protection, small-space tunnels are widely used in underpass projects in urban expressways. The determination of the minimum safe net dist...
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Chapter and Conference Paper
Comparison of Construction Schemes for Small-Space Tunnels with Large Sections and Shallow Depth in Jointed Weak Rocks
The small-space tunnels on city expressways have high requirements on the tunnelling deformation, construction period and budget control. Therefore, the selection of a reasonable construction scheme is quite i...
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Chapter and Conference Paper
Experimental Development and Key Technology Research of High Efficiency Lean Burn Engine
The effect of super lean burn on engine performance was studied on a self-developed pre-chamber multi-cylinder engine in this paper. The main work is to develop a pre-chamber multi-cylinder engine based on the...
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Chapter and Conference Paper
Geely's Lean-burn Gasoline Engine with Brake Thermal Efficiency of 46%
The pursuit of more efficient and cleaner combustion has become the driving force behind the development of the internal combustion engine, while the combustion technology with higher efficiency and lower carb...
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Chapter and Conference Paper
Modified Probabilistic Neural Networks LBP Classification Based on Distance Measures in Probability Space
Modified probabilistic neural networks are introduced for image classification based on various distance measures in probability space, in which the input to the model is local binary pattern histogram of imag...
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Chapter and Conference Paper
Development of Intelligent Drill Pipe for Power Supply and Communication
Power supply and communication intelligent drill pipe is a bridge to realize high-speed two-way information communication and power transmission between ground and underground. In order to realize intelligent ...
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Chapter and Conference Paper
Key Technology and Application of Exploration Reservoir Modeling
Exploration reservoir modeling with zone level is an important means to carry out quantitative reservoir prediction, implement resource potential, evaluate drilling risk and realize reservoir management. This ...
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Chapter and Conference Paper
Research on Potential Tap** Technology of Thin Interconnected Reservoirs in Block A of Low Permeability Oilfield
The L oilfield has low reservoir permeability and thin single-layer thickness. It has entered the stage of medium-high water-cut development, and it is difficult to control water-cut and decline. Aiming at the...
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Chapter and Conference Paper
Key Technology of Drilling Speed Increase and Deviation Control in Inclined Formation of Bongor Basin in Chad
Bongor basin is the main oilfield of CNPC, and P formation is the main exploration layer. Under the strong fault depression in the early Cretaceous, the dip angle of M and P formation is large with frequent li...
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Chapter and Conference Paper
Development of Underground Electro-motor Development of a New Downhole Electro-motor
In recent years, some new downhole motors have emerged one after another, such as high-torque high-speed positive displacement motor, long-life turbine motor and downhole electro-motor, which provide supplemen...
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Chapter and Conference Paper
Large-Capacity Data Processing of Main Distribution Network Based on Information Processing Cluster Framework
Due to the continuous development and in-depth promotion of smart grid construction in China, the amount of information accumulated has increased exponentially. The technical method of extracting “treasure” fr...
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Chapter and Conference Paper
Identification of CircRNA-Disease Associations from the Integration of Multi-dimensional Bioinformatics with Graph Auto-encoder and Attention Fusion Model
With the development of RNA-seq technology and information biology, researchers have found that circRNAs are important players in many complex diseases. However, using only traditional biotechnology has the ch...
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Chapter and Conference Paper
The Research on COVID-19 and Online Education: Based on Co-occurrence Analysis by Bibliometrics
Under the influence of the COVID-19 epidemic, how to deal with the epidemic and the challenges and solutions faced by large-scale online education in the global education system is a topic and hot spot the gen...
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Chapter and Conference Paper
An Improved Method for CFNet Identifying Glioma Cells
Glioma cells are a type of tumor cells that originate in the supportive tissue of the brain and spinal cord called glial cells. These cells can proliferate rapidly, leading to the formation of a mass or tumor ...
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Chapter and Conference Paper
Bibliometric Analysis of Chinese and Foreign Public Opinion Under the COVID-19
Since the outbreak of COVID-19, the number of research related to online public opinion has grown significantly around the world. By analyzing the research hotspots and current situation of Chinese and foreign...
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Chapter and Conference Paper
Forest Environment Association Analysis for the Pandemic Health with Rectified Linear Unit Correlations
The covariance is a measure of the joint variability of two random variables forming a Cartesian coordinate. Variance is a special case of covariance, when two variables are the same. The root of variance is t...
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Chapter and Conference Paper
Research on the Status Quo of Fintech in China
Financial technology, or digital innovation in finance, is expected to increase access to financial services and promote innovation in financial services for a more inclusive and sustainable future
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Chapter and Conference Paper
Numerical Study of Magneto-hydrodynamic Free Convection Heat Transfer and Fluid Flow
Magneto-Hydro-Dynamic associate to convection heat transfer mode in a two-dimensional cavity filled with conducting fluid having a partially open-ended wall, is discussed in the present work. This engineering ...
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Chapter and Conference Paper
Unsteady Free Convection with Volumetric-Radiation Using LBM
In the last decade, coupled convection and radiative engineering problems has emerged as a major area of study in the engineering applications and sciences. The present paper deals with a transient (steady and...
