Small target detection algorithm based on improved PointPillars

ZHANG Bingli $ ^{1,2} $, YANG Chenglei $ ^{1,2} $, PAN Zehao $ ^{1,2} $,

(1. School of Automobile and Traffic Engineering, Hefei University of Technology, Hefei 230009, China; 2. Anhui Provincial Research Center for Intelligent Automotive Engineering, Hefei 230009, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol. 49 No. 7: 865-871

DOI: 10.3969/j.issn.1003-5060.2026.07.001

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Design and development of Huangmei Opera intelligent digital human based on multimodal interaction

TAO Jianlin $ ^{1} $, HU Mengxia $ ^{2} $, CHEN Jiaojiao $ ^{2} $, CHEN Xiaohui $ ^{1} $, WANG Guangjun $ ^{2} $

(1. School of Information Technology, Anqing Vocational and Technical College, Anqing 246003, China; 2. School of Computer Science and Information Engineering, Anqing Normal University, Anqing 246011, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol. 49 No. 7: 872-881

DOI: 10.3969/j.issn.1003-5060.2026.07.002

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A high efficiency boost DC-DC converter with low voltage start-up

YAN Tingting $ ^{1,2} $, YIN Yongsheng $ ^{1,2} $, XIANG Hongyu $ ^{1,2} $,

(1. School of Microelectronics, Hefei University of Technology, Hefei 230601, China; 2. IC Design Web-cooperation Research Center of Ministry of Education, Hefei University of Technology, Hefei 230601, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol. 49 No. 7: 882-888, 897

DOI: 10.3969/j.issn.1003-5060.2026.07.003

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Design of two-step TDC-based fast-lock all-digital DLL

WANG Zhiyuan $ ^{1} $, MENG Xu $ ^{1,2} $

(1. School of Microelectronics, Hefei University of Technology, Hefei 230601, China; 2. IC Design Web-cooperation Research Center of Ministry of Education, Hefei University of Technology, Hefei 230601, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol. 49 No. 7: 889-897

DOI: 10.3969/j.issn.1003-5060.2026.07.004

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Experimental study on engineering properties of steel slag-metakaolin modified expansive soil subjected to wetting-drying cycles

WANG Beiyang $ ^{1} $, ZHA Fusheng $ ^{1} $, KANG Bo $ ^{1} $, SHEN Yinbin $ ^{2,3} $

(1. School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China; 2. Shaanxi Key Laboratory for the Property and Treatment of Special Soil and Rock, Xi'an 710043, China; 3. Anhui Branch, China Jikan Research Institute of Engineering Investigations and Design Co., Ltd., Hefei 230051, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol.49 No.7: 898-904

DOI: 10.3969/j.issn.1003-5060.2026.07.005

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Study on the law of influence of matrix particle size change on water flow in fracture-matrix system

ZHA Rong, QIAN Jiazhong, MA Lei, YAN Xiaosan, HUANG Yihang

(School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol.49 No.7: 905-909

DOI: 10.3969/j.issn.1003-5060.2026.07.006

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TaqMan probe-based quantitative real-time PCR for detection of adulterants in vermicelli

ZHANG Ru $ ^{1,2} $, YAO Bangben $ ^{2} $, HONG Ting $ ^{1} $, CHEN Zhaoran $ ^{1} $, XU Jianguo $ ^{1} $, CHEN Wei $ ^{1} $

(1. School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; 2. Anhui Institute of Product Quality Supervision and Inspection, Hefei 230051, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol.49 No.7: 910-916

DOI: 10.3969/j.issn.1003-5060.2026.07.007

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Effects of pH on advanced glycation end products formation during thermal processing in three diets

SUN Kaiyue, LIU Jian, ZHANG Xian

(School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol.49 No.7: 917-923

DOI: 10.3969/j.issn.1003-5060.2026.07.008

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Rapid detection of Ara h1 based on circular aptamers

FENG Junmei, MAO Yu, FANG Peng, SUN Long, YAO Lili

(School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol.49 No.7: 924-928, 975

DOI: 10.3969/j.issn.1003-5060.2026.07.009

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Analysis on influencing factors for determination of uranium by spectrophotometry

TIAN Hang $ ^{1} $, LIU Shengyong $ ^{2} $, MEI Zihang $ ^{3} $, LIAO Yun $ ^{3} $, WANG Meng $ ^{1} $, CHEN Guoxing $ ^{2} $

(1, School of Nuclear Science and Technology, University of South China, Hengyang 421001, China; 2, Daya Bay Nuclear Power Operations and Management Co., Ltd., Shenzhen 518124, China; 3, School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol. 49 No. 7: 929-933

DOI: 10.3969/j.issn.1003-5060.2026.07.010

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Atom transfer radical polymerization driven by integration of photocatalysis and electrocatalysis using conjugated hypercrosslinked polymers as catalyst

CHEN Zichao, HE Tao, LIU Yixing, FAN Zihui, FANG Weiwei, XIA Lei

(School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol. 49 No. 7: 934-942

DOI: 10.3969/j.issn.1003-5060.2026.07.011

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Analysis of fringe visibility in X-ray interferometer using dual-sinusoidal phase gratings

LUO Mengsi, CHEN Heng, YANG Tianming, JIA Yuting, WANG Zhili

(School of Physics, Hefei University of Technology, Hefei 230601, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol. 49 No. 7: 943-950

DOI: 10.3969/j.issn.1003-5060.2026.07.012

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Study on OpenMC-based BNCT dose calculation

GUO Xin $ ^{1} $, LIN Hui $ ^{1} $, LU Peng $ ^{2} $, WU Qiuran $ ^{3} $, LIANG Lizhen $ ^{3} $

(1. School of Physics, Hefei University of Technology, Hefei 230601, China; 2. Neutron Technology Application Research Center, Institute of Energy, Hefei Comprehensive National Science Center (Anhui Energy Laboratory), Hefei 230031, China; 3. Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol. 49 No. 7: 951-956

DOI: 10.3969/j.issn.1003-5060.2026.07.013

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Research on a multimodal discrete network design considering the construction of transfer nodes

DING Jianxun $ ^{1} $, WANG Xiaofei $ ^{1} $, FAN Yinchao $ ^{2} $, LONG Jiancheng $ ^{1} $

(1. School of Automobile and Traffic Engineering, Hefei University of Technology, Hefei 230009, China; 2. School of Mathematics, China University of Mining and Technology, Xuzhou 221116, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol. 49 No. 7: 957-963

DOI: 10.3969/j.issn.1003-5060.2026.07.014

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Research on decay model of asphalt pavement performance with multi-stage maintenance

NI Zicheng, RUAN Xiaobo

(School of Automobile and Traffic Engineering, Hefei University of Technology, Hefei 230009, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol.49 No.7: 964-969

DOI: 10.3969/j.issn.1003-5060.2026.07.015

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Research on water pipe cooling scheme of lock floor based on engineering feasibility

HUANG Ming, ZHOU Lei

(School of Civil and Hydraulic Engineering, Hefei University of Technology, Hefei 230009, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol. 49 No. 7: 970-975

DOI: 10.3969/j.issn.1003-5060.2026.07.016

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Flood disaster information extraction and change analysis of remote sensing images based on improved SwinU-Net

YUAN Xiaoyu $ ^{1} $, LI Zhenxuan $ ^{1} $, HAN Jiuchun $ ^{2} $, DU Haifeng $ ^{2} $, ZHU Yongchao $ ^{1} $, ZHANG Yuming $ ^{2} $

(1. School of Civil and Hydraulic Engineering, Hefei University of Technology, Hefei 230009, China; 2. Anhui Construction Engineering Traffic and Shipping Group Co., Ltd., Hefei 230011, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol.49 No.7: 976-982

DOI: 10.3969/j.issn.1003-5060.2026.07.017

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Slow-release oxygen material and carbon source cascade remediation of riverside groundwater nitrogen pollution

SHANG Manting $ ^{1} $, JIANG Meiyan $ ^{1} $, TANG Jiahe $ ^{1} $, PAN Jilong $ ^{2} $, JING Peiyan $ ^{1} $

(1. School of Civil and Hydraulic Engineering, Hefei University of Technology, Hefei 230009, China; 2. Anhui Transportation Survey and Design Institute Co., Ltd., Hefei 230011, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol. 49 No. 7: 983-986, 996

DOI: 10.3969/j.issn.1003-5060.2026.07.018

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Fracture statistics of quasi-brittle materials based on phase field model

SUN Jundong $ ^{1} $, DING Zhaodong $ ^{1} $, LIANG Junsong $ ^{2} $, TAO Mingquan $ ^{1} $

(1. School of Civil and Hydraulic Engineering, Hefei University of Technology, Hefei 230009, China; 2. China 19th Metallurgical Group Co., Ltd., Chengdu 610031, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol. 49 No. 7: 987-996

DOI: 10.3969/j.issn.1003-5060.2026.07.019

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Study on SABO-LSTM monitoring model and risk state of slope displacement in water diversion projects

HUANG Ming, WANG Pengfei

(School of Civil and Hydraulic Engineering, Hefei University of Technology, Hefei 230009, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol.49 No.7: 997-1002

DOI: 10.3969/j.issn.1003-5060.2026.07.020

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Research on reliability analysis methods for 3D slope stability

ZHOU Gang $ ^{1} $, JIA Senlin $ ^{2} $, SHANG Zhaotao $ ^{1} $, XU Shanjin $ ^{2} $, LU Kunlin $ ^{2} $ (1. Wuhu Rail

(Tunnel) Traffic Engineering Quality and Safety Supervision Station, Wuhu 241000, China; 2. School of Civil and Hydraulic Engineering, Hefei University of Technology, Hefei 230009, China)

J. Hefei Univ. Tech. (Nat. Sci.), Jul. 2026, Vol. 49 No. 7: 1003-1008

DOI: 10.3969/j.issn.1003-5060.2026.07.021

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