Prediction and assessment of water quality in pit lake based on improved PSO-ELM

SHI Xiufeng $ ^{1,2} $, WANG Jin $ ^{1,2} $, CHUAI Xin $ ^{3} $, WANG Shaoping $ ^{3} $, LUO Changhai $ ^{3} $, YUE Zhengbo $ ^{1,2} $

(1. School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China; 2. Anhui Engineering Research Center of Industrial Wastewater Treatment and Resource Recovery, Hefei University of Technology, Hefei 230009, China; 3. Nanshan Mining Co., Ltd., Anhui Masteel Mining Resources Group, Ma'anshan 243031, China)

J. Hefei Univ. Tech. (Nat. Sci.), Feb.2025, Vol.48 No.2: 145-150

DOI: 10.3969/j.issn.1003-5060.2025.02.001

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Demonstration study on the treatment of livestock wastewater by partial nitrification-Anammox

YANG Yuan, HU Zhenhu

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

J. Hefei Univ. Tech. (Nat. Sci.), Feb.2025, Vol.48 No.2: 151-155

DOI: 10.3969/j.issn.1003-5060.2025.02.002

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Effect of cold extrusion of press-fit bushing on surface properties of lug hole

REN Yong $ ^{1} $, HUANG Haihong $ ^{1} $, LIU Rujun $ ^{2} $, YIN Chaochao $ ^{1} $, TAO Meisheng $ ^{1} $, LIU Zhifeng $ ^{1} $

(1. School of Mechanical Engineering, Hefei University of Technology, Hefei 230009, China; 2. State-owned Wuhu Machinery Factory, Wuhu 241007, China)

J. Hefei Univ. Tech. (Nat. Sci.), Feb.2025, Vol.48 No.2: 156-161

DOI: 10.3969/j.issn.1003-5060.2025.02.003

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Geometric error modeling and sensitivity analysis of multi-point parallel drive precision press

WANG Yong $ ^{1} $, YANG Jiangfan $ ^{1} $, SHOU Kangli $ ^{1} $, ZHAN Chen $ ^{1} $, HU Huogen $ ^{2} $, HUANG Mingjiu $ ^{2} $

(1. School of Mechanical Engineering, Hefei University of Technology, Hefei 230009, China; 2. Anhui Nextool Equipment Technology Co., Ltd., Tongling 244061, China)

J. Hefei Univ. Tech. (Nat. Sci.), Feb.2025, Vol.48 No.2: 162-169

DOI: 10.3969/j.issn.1003-5060.2025.02.004

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Research on energy management strategy of hybrid electric vehicle considering traffic density

WU Di $ ^{1} $, ZHANG Dong $ ^{1} $, GUO Mingming $ ^{1} $, ZHAO Han $ ^{2} $, ZHANG Bingzhan $ ^{1} $, QIU Mingming $ ^{2} $

(1. School of Automobile and Traffic Engineering, Hefei University of Technology, Hefei 230009, China; 2. School of Mechanical Engineering, Hefei University of Technology, Hefei 230009, China)

J. Hefei Univ. Tech. (Nat. Sci.), Feb.2025, Vol.48 No.2: 170-178

DOI: 10.3969/j.issn.1003-5060.2025.02.005

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Nearest neighbor search hardware accelerator for point cloud recognition

CHEN Li, LI Zhenmin, MA Yuqing

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

J. Hefei Univ. Tech. (Nat. Sci.), Feb.2025, Vol.48 No.2: 179-184

DOI: 10.3969/j.issn.1003-5060.2025.02.006

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Design and simulation of trenched β-Ga₂O₃ Schottky barrier diode

YANG Zhen, WU Chunyan, WU Xia, GAO Jinxulong, CHEN Qiang, XIE Guangjun

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

J. Hefei Univ. Tech. (Nat. Sci.), Feb.2025, Vol.48 No.2: 196-202, 231

DOI: 10.3969/j.issn.1003-5060.2025.02.008

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Study on hydraulic connections between water-inrush aquifers based on Bayesian discriminant analysis and inverse hydrogeochemical simulation

ZHENG Jian, CHEN Luwang, ZHANG Jie, ZHANG Miao, ZHENG Xin, HU Yongsheng

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

J. Hefei Univ. Tech. (Nat. Sci.), Feb.2025, Vol.48 No.2: 203-211

DOI: 10.3969/j.issn.1003-5060.2025.02.009

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UAV image matching method based on improved SIFT and multiple constraints

HE Minglei, WANG Zhongyuan, QI Mingxin, YANG Zhenyu, YUAN Fang

(School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China)

J. Hefei Univ. Tech. (Nat. Sci.), Feb.2025, Vol.48 No.2: 212-219

DOI: 10.3969/j.issn.1003-5060.2025.02.010

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Atmospheric weighted mean temperature model based on equal dimension and new information GM(2,1)

HUANG Wei, GAO Jingxiang, XU Lei

(School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China)

J. Hefei Univ. Tech. (Nat. Sci.), Feb.2025, Vol.48 No.2: 220-226, 259

DOI: 10.3969/j.issn.1003-5060.2025.02.011

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Expression analysis of anthocyanin transcription factor PyWRKY26 in pear fruits

YAN Longfei, ZHANG Hua, XIAO Yuwei, YAO Gaifang, HU Kangdi

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

J. Hefei Univ. Tech. (Nat. Sci.), Feb.2025, Vol.48 No.2: 227-231

DOI: 10.3969/j.issn.1003-5060.2025.02.012

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Prokaryotic expression analysis of calcium signal transcription factor MdbHLH2 in apple

GOU Shasha $ ^{1} $, AN Xin $ ^{1} $, ZHANG Weiwei $ ^{2} $, HU Kangdi $ ^{1} $, ZHANG Hua $ ^{1} $, YAO Gaifang $ ^{1} $

(1. School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; 2. College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an 271001, China)

J. Hefei Univ. Tech. (Nat. Sci.), Feb.2025, Vol.48 No.2: 232-235

DOI: 10.3969/j.issn.1003-5060.2025.02.013

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Enzyme activity of CAT2 in prokaryotic co-expression of CAT2 and NCA1

ZHANG Ruihan $ ^{1} $, HAN Yi $ ^{2} $

(1. School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; 2. School of Life Sciences, Anhui Agricultural University, Hefei 230036, China)

J. Hefei Univ. Tech. (Nat. Sci.), Feb.2025, Vol.48 No.2: 236-240

DOI: 10.3969/j.issn.1003-5060.2025.02.014

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Construction and identification of promoter expression vectors for Arabidopsis AtCHiC gene

YU Xin, SONG Hui, HU Min, CHEN Yifan, YE Min, JIANG Li

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

J. Hefei Univ. Tech. (Nat. Sci.), Feb.2025, Vol.48 No.2: 241-244

DOI: 10.3969/j.issn.1003-5060.2025.02.015

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Heterologous expression of Barnase and its mutants in Lactococcus lactis

AI Yaqian $ ^{1} $, MU Dongdong $ ^{1} $, LI Xingjiang $ ^{1} $, WANG Jin $ ^{2} $, WU Xuefeng $ ^{1} $

(1. School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; 2. Anhui Xiqiang Dairy Group Co., Ltd., Huaibei 235099, China)

J. Hefei Univ. Tech. (Nat. Sci.), Feb.2025, Vol.48 No.2: 245-250

DOI: 10.3969/j.issn.1003-5060.2025.02.016

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Prediction of surface displacement caused by large diameter shield tunneling through composite strata

SHANG Zhaotao $ ^{1} $, KUANG Xingchen $ ^{2} $, XIA Qin $ ^{1} $, LIU Wu $ ^{2} $, XIONG Feng $ ^{2} $, WANG Zuocai $ ^{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.), Feb.2025, Vol.48 No.2: 251-259

DOI: 10.3969/j.issn.1003-5060.2025.02.017

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Viscoelastic solutions of one-dimensional consolidation for double-layered foundation with continuous drainage boundary

QIU Changhu $ ^{1} $, JIANG Mingjie $ ^{1} $, YANG Weitao $ ^{1} $, MEI Guoxiong $ ^{2} $

(1. School of Civil Engineering and Architecture, Guangxi University, Nanning 530004, China; 2. Ocean College, Zhejiang University, Zhoushan 316021, China)

J. Hefei Univ. Tech. (Nat. Sci.), Feb.2025, Vol.48 No.2: 260-266

DOI: 10.3969/j.issn.1003-5060.2025.02.018

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Seismic fragility analysis of frame-supported shear wall base-isolated structures based on Copula function

SUN Qianlong, HE Peixiang

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

J. Hefei Univ. Tech. (Nat. Sci.), Feb.2025, Vol.48 No.2: 267-273

DOI: 10.3969/j.issn.1003-5060.2025.02.019

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Application and simplification of GLS model for asphalt mixture

DU Qingcan, HAN Ding, ZHOU Penghong

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

J. Hefei Univ. Tech. (Nat. Sci.), Feb.2025, Vol.48 No.2: 274-282

DOI: 10.3969/j.issn.1003-5060.2025.02.020

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Calculation and analysis of the scale of fluctuation of soil properties of old clay in Hefei based on CPT

WU Jie, WU Daoxiang, LIN Fei, LI Wenxiu

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

J. Hefei Univ. Tech. (Nat. Sci.), Feb.2025, Vol.48 No.2: 283-288

DOI: 10.3969/j.issn.1003-5060.2025.02.021

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