Kan Zhou
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View article: Semi-Supervised Synthetic Data Generation with Fine-Grained Relevance Control for Short Video Search Relevance Modeling
Semi-Supervised Synthetic Data Generation with Fine-Grained Relevance Control for Short Video Search Relevance Modeling Open
Synthetic data is widely adopted in embedding models to ensure diversity in training data distributions across dimensions such as difficulty, length, and language. However, existing prompt-based synthesis methods struggle to capture domain…
View article: Enhancing low-frequency performance of thin-layer magnetic microwave absorbing materials via phase gradient metasurface
Enhancing low-frequency performance of thin-layer magnetic microwave absorbing materials via phase gradient metasurface Open
Magnetic composites are the most widely-used microwave absorbing materials (MAMs), but for low-frequency absorption, their heavy weight caused by the increasing thickness has always been the major drawback. Recently, the flexible manipulat…
View article: Ultrawideband microwave metamaterial absorber with excellent absorption performance and high optical transparency based on double-layer mesh structures
Ultrawideband microwave metamaterial absorber with excellent absorption performance and high optical transparency based on double-layer mesh structures Open
Achieving microwave absorbers that combine wideband and excellent absorption performance with high optical transparency remains a significant challenge in the field of radar stealth. In this paper, an ultrawideband metamaterial absorber co…
View article: WITHDRAWN: The variation of natural carrying capacity and its research progress adapting to decision-making application in China
WITHDRAWN: The variation of natural carrying capacity and its research progress adapting to decision-making application in China Open
While “planetary boundaries” have become the focus of international research, Chinese scholars have been committed to studying the natural carrying capacity (NCC) at both national and regional scales. China's population exploded in the 197…
View article: Financial model construction of a cross-border e-commerce platform based on machine learning
Financial model construction of a cross-border e-commerce platform based on machine learning Open
With the development of informatization, traditional industries have been seriously impacted by cross-border e-commerce (CBEC), and the financial management mode no longer meets the needs of CBEC users. As cross-border electronic trading p…
View article: Mechanized Discharge of Tubing in Oil Workover Operation
Mechanized Discharge of Tubing in Oil Workover Operation Open
Oil exploitation is basically in underground operation. In order to improve the mechanization degree and work efficiency of underground operation, it is very important to select and design the tubing pulling and discharging form. It is nec…
View article: BYD Digital Marketing Strategy in Malaysia
BYD Digital Marketing Strategy in Malaysia Open
This article delves into BYD's entry into Malaysia's electric vehicle (EV) market, utilizing the SOSTAC framework. It analyzes the external market situation and proposes digital marketing objectives aligned with the expansion strategy. The…
View article: Natural resource management in American national parks: Principles, problems and enlightenment
Natural resource management in American national parks: Principles, problems and enlightenment Open
The natural resources of national parks in the United States are mainly divided into eight categories: biological resources, fire resources, water resources, air resources, geological resources, soundscape, lighting, chemicals and odors. T…
View article: Energy inequality under the toughest-ever clean air policy in China
Energy inequality under the toughest-ever clean air policy in China Open
Since 2013, with the implementation of the toughest-ever clean air policy in China, the residential energy transition has been remarkable. However, how this policy affects household energy costs and its associated inequality remains unclea…
View article: Modeling and evaluation for effectiveness of dangerous chemicals transport vehicle based on ADC model
Modeling and evaluation for effectiveness of dangerous chemicals transport vehicle based on ADC model Open
Based on the ADC model proposed by WSEIAC, this paper establishes the effectiveness evaluation index system of the dangerous chemicals transport vehicle. Then the analytic hierarchy process (AHP) and fuzzy comprehensive evaluation method a…
View article: Fast and Robust DCNN Based Lithography SEM Image Contour Extraction Models
Fast and Robust DCNN Based Lithography SEM Image Contour Extraction Models Open
Scanning electron microscope (SEM) metrology is critical in semiconductor manufacturing for patterning process quality assessment and monitoring. Besides feature width and feature-feature space dimension measurements from critical dimensio…
View article: Cloud-to-end Rendering and Storage Management for Virtual Reality in Experimental Education
Cloud-to-end Rendering and Storage Management for Virtual Reality in Experimental Education Open
Background Real-time 3D rendering and interaction is important for virtual reality (VR) experimental education. Unfortunately, standard end-computing methods prohibitively escalate computational costs. Thus, reducing or distributing these …
View article: Computationally Efficient AC Resistance Model for Stator Winding With Rectangular Conductors
Computationally Efficient AC Resistance Model for Stator Winding With Rectangular Conductors Open
The resistance of the electric machine’s windings is an important parameter when analyzing the machine’s performance, as conduction losses in the winding are often the largest loss component. However, this resistance changes with frequency…
View article: Numerical Simulation and Analysis of External Flow Field of the Van
Numerical Simulation and Analysis of External Flow Field of the Van Open
This paper uses CFD preprocessing software to build Van model and gridding it, then CFD software is used to simulation the outflow field of Van model, from which the distribution of pressure and velocity is obtained and the outflow field i…
View article: Reshaping the Sustainable Geographical Pattern: A Major Function Zoning Model and Its Applications in China
Reshaping the Sustainable Geographical Pattern: A Major Function Zoning Model and Its Applications in China Open
The imbalance between human activities and Earth's natural surface adversely affects the sustainability of the Earth system. From an understanding of the suitability of surface functions and potential ramifications of policy decisions, thi…
View article: Numerical Simulation of Vaporous Hydrogen Peroxide Diffusion under Different Speed
Numerical Simulation of Vaporous Hydrogen Peroxide Diffusion under Different Speed Open
This paper adopts the computation fluid dynamics(CFD) to research the diffusion law of vaporous hydrogen peroxide(VHP) under different inlet velocities include 0.1m/s, 0.2m/s and 0.4m/s.The results show that when the inlet velocity is 0.4m…
View article: Risk forewarning of regional development sustainability based on a natural resources and environmental carrying index in China
Risk forewarning of regional development sustainability based on a natural resources and environmental carrying index in China Open
It is a matter of public consensus that China's high growth rate has been achieved at the expense of natural resources and the environment, leading to serious risks to sustainability. This research, which proposes a theoretical model to fo…
View article: Experimental Study on Local Subcooled Flow Boiling Heat Transfer in a Vertical Mini-Gap Channel
Experimental Study on Local Subcooled Flow Boiling Heat Transfer in a Vertical Mini-Gap Channel Open
An experimental study of subcooled flow boiling in a high-aspect-ratio, one-sided heating rectangular mini-gap channel was conducted using deionized water. The local heat transfer coefficient, onset of nucleate boiling, and flow pattern of…