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536 Results Found

  • Article
  • Open Access
681 Views
19 Pages

27 May 2025

While China’s current energy policies predominantly adopt single-factor energy efficiency (SFEE) as the benchmark, academic research increasingly advocates total-factor energy efficiency (TFEE) assessments. This study examines the differences b...

  • Article
  • Open Access
1 Citations
2,891 Views
19 Pages

7 September 2024

The differentiated physical environment requirements within the internal space of ice rinks in cold regions result in a complex heat exchange process, which becomes the primary cause of high energy consumption. Therefore, analyzing the impact mechani...

  • Article
  • Open Access
16 Citations
7,187 Views
18 Pages

27 March 2014

The rapid economic growth after the new millennium could be characterized by the reappearance of heavy industrialization and land urbanization. In the literatures, extensive studies have examined the impact of energy and emissions on the growth quali...

  • Article
  • Open Access
2,457 Views
24 Pages

25 October 2024

This paper introduces a novel decomposition method for analyzing production efficiency based on the Data Envelopment Analysis framework, addressing the limitations of traditional approaches that often fail to isolate the contributions of individual f...

  • Article
  • Open Access
751 Views
24 Pages

28 September 2025

Suboptimal feed mixer designs cause nutrient heterogeneity and energy waste through inadequate turbulent flow. This study systematically examines how stirrer blade geometry governs turbulent kinetic energy and thermal homogeneity to enhance mixing ef...

  • Article
  • Open Access
1,575 Views
18 Pages

6 December 2024

Finding ways to improve regional energy efficiency is important for the Chinese government to achieve its dual carbon target. This paper aims to explore ways to improve regional energy efficiency by studying the spatial–temporal dynamic evoluti...

  • Article
  • Open Access
8 Citations
4,210 Views
25 Pages

17 January 2019

This paper presents a comparative analysis of the technology gap, energy efficiency, and CO2 emission performance of the agglomerated cities in Eastern and Central China and South Korea under economic heterogeneity. The potential reductions of energy...

  • Article
  • Open Access
7 Citations
2,070 Views
21 Pages

24 October 2023

Ground-source heat pumps with deep borehole heat exchangers can fully utilize deep geothermal energy, effectively reducing the consumption of non-renewable energy for building air conditioning and achieving energy conservation and emissions reduction...

  • Article
  • Open Access
10 Citations
2,830 Views
13 Pages

In this experiment, B. subtilis was added to pelletized straw-based total mixed ration, and the rumen microbial diversity of house-fed Duhan hybrid sheep was compared. Ten 3-month-old weaned Duhan hybrid lambs were separated into two groups and fatte...

  • Article
  • Open Access
9 Citations
2,533 Views
25 Pages

Inadequate parameter design of the cleaning device in soybean combine harvesters leads to elevated levels of machine harvesting losses and impurity rates. To provide fundamental data for the optimization of structural parameters of soybean cleaning s...

  • Feature Paper
  • Article
  • Open Access
3,541 Views
20 Pages

Laser Cleaning Process for Low-Pressure Turbine Blade Paint Removal with Remelting Suppression

  • Xihuai Wang,
  • Yaochen Ding,
  • Qiujuan Chen,
  • Hongying Li,
  • Li Wang and
  • Mingdi Wang

8 September 2025

This study aims to develop an efficient laser cleaning process for removing paint coatings from low-pressure turbine blades while suppressing substrate remelting, focusing on elucidating the underlying paint removal mechanisms on coated aluminum allo...

  • Article
  • Open Access
1 Citations
1,502 Views
44 Pages

Current research on rural houses in China mainly focuses on improving energy efficiency, with relatively few studies addressing energy-saving measures and enhancing thermal comfort for residents. Therefore, this paper focuses on existing rural houses...

  • Article
  • Open Access
1,607 Views
19 Pages

The gas-liquid sulfonation of α-olefin sulfonate (AOS) in falling film reactors faces significant limitations, primarily due to poor mass transfer efficiency and excessive byproduct formation. To overcome these challenges, a novel cross-shaped...

  • Article
  • Open Access
4 Citations
3,126 Views
17 Pages

Performance Evaluation of TBM Using an Improved Load Prediction Model

  • Xinghai Zhou,
  • Guofang Gong,
  • Yakun Zhang,
  • Weiqiang Wu and
  • Yuxi Chen

20 January 2023

Excavation load prediction is of great importance for the prior design and latter performance evaluation of tunnel boring machines (TBMs). In this paper, an improved load prediction model is developed based on classical Colorado school of mines model...

  • Article
  • Open Access
1,070 Views
18 Pages

DEM Study on the Impact of Liner Lifter Bars on SAG Mill Collision Energy

  • Yong Wang,
  • Qingfei Xiao,
  • Saizhen Jin,
  • Mengtao Wang,
  • Ruitao Liu and
  • Guobin Wang

The semi-autogenous grinding (SAG) mill, renowned for its high efficiency, high production capacity, and low cost, is widely used for crushing and grinding equipment. However, the current understanding of the overall particle behavior influencing its...

  • Article
  • Open Access
11 Citations
3,345 Views
22 Pages

23 February 2020

The main purpose of this paper is to quantitatively analyze the sensitivity of operating parameters of the system to the thermodynamic performance of an oxyfuel combustion (OC) power generation system. Therefore, the thermodynamic model of a 600 MW s...

  • Article
  • Open Access
501 Views
26 Pages

30 October 2025

Amid the global energy transition, geothermal energy, as a clean, stable, and renewable energy source, serves as a core direction for energy structure optimization. The development of medium-deep geothermal reservoirs is dominated by thermo–hyd...

  • Article
  • Open Access
2,028 Views
19 Pages

8 July 2025

Against the backdrop of the energy crisis and a rapidly advancing digital economy, electricity–computing synergy has become a strategic pathway to resolve energy constraints in computing power center and overcome renewable energy consumption ch...

  • Article
  • Open Access
1 Citations
1,537 Views
17 Pages

14 December 2024

The photo-thermochemical cycle (PTC) for water splitting offers a sustainable method for hydrogen production by efficiently utilizing solar energy. This study explored the use of CeO2 as a catalyst in the PTC system to enhance hydrogen yield. A nanos...

  • Article
  • Open Access
2,358 Views
21 Pages

8 December 2024

In order to improve the shelling efficiency of peanuts, the fracture mechanism of peanuts and the key components of the shelling test bench were studied. Firstly, the finite element method based on the cohesive element model was used to analyze the c...

  • Article
  • Open Access
283 Views
51 Pages

12 January 2026

To identify the emission reduction potential and policy synergies of Tokyo’s road passenger and urban road freight transport under the “carbon neutrality target,” this paper constructs an assessment framework for megacities. First,...

  • Feature Paper
  • Article
  • Open Access
713 Views
14 Pages

Synthesis of Glyceric Acid by Mixed-Metal Oxide-Supported AuPt Alloy Catalyst in Mild Conditions

  • Zhiqing Wang,
  • Jianchuan Jin,
  • Aiqian Jin,
  • Shiyu Li,
  • Xinyue Chen,
  • Tongjie Hu,
  • Lingqin Shen and
  • Hengbo Yin

8 October 2025

Thermal valorization of surplus biomass-derived feedstocks such as glycerol into high-value chemicals represents a sustainable strategy for biomass utilization and decarbonization of chemical manufacturing. However, conventional glycerol conversion p...

  • Article
  • Open Access
657 Views
29 Pages

1 December 2025

The jet pump, a device that entrains and transports fluids using high-speed fluid, is characterized by its simple structure, lack of moving parts, and ease of maintenance. However, its low energy transfer efficiency hinders broader promotion and appl...

  • Article
  • Open Access
8 Citations
3,596 Views
12 Pages

Improved Palladium Extraction from Spent Catalyst Using Ultrasound-Assisted Leaching and Sulfuric Acid–Sodium Chloride System

  • Jinjiao Wang,
  • Xiaoping Zhu,
  • Jiale Fan,
  • Ke Xue,
  • Shengyu Ma,
  • Ruiming Zhao,
  • Hao Wu and
  • Qin Gao

This paper presents a process for efficiently recovering palladium (Pd) from spent Pd/Al2O3 catalysts used for hydrogenation reactions, using ultrasound-assisted leaching (UAL). A system composed of H2SO4 and NaCl was investigated under ultrasound-en...

  • Article
  • Open Access
2 Citations
698 Views
23 Pages

24 September 2025

Inefficient drying of alfalfa round bales causes significant nutrient loss (up to 50%) and quality degradation due primarily to uneven drying in existing processing methods. To address this challenge requiring dedicated equipment and optimized proces...

  • Article
  • Open Access
5 Citations
3,678 Views
23 Pages

9 January 2023

In order to achieve efficient resource utilization of metal tailings, taking the roasted clinker of silver tailings (RCST) as the object, the dissolution behaviors of Si, Al and Fe in the water–acid two-stage leaching process and the water leac...

  • Article
  • Open Access
7 Citations
1,957 Views
21 Pages

Preparation and Adsorption Performance of Boron Adsorbents Derived from Modified Waste Feathers

  • Dongxing Li,
  • Hui Jiang,
  • Zhengwei Luo,
  • Wenhua Geng and
  • Jianliang Zhu

10 May 2024

This research focuses on modifying discarded feathers by grafting glycidyl methacrylate (GMA) onto their surface through thiolation, followed by an epoxy ring-opening reaction with N-methyl-D-glucamine (NMDG) to synthesize feather-based boron adsorbe...

  • Article
  • Open Access
3 Citations
1,871 Views
19 Pages

Performance Optimization and Simulation Test of No-Tillage Corn Precision Planter Based on Discrete Element Method (DEM)

  • Jingyu Yang,
  • Hailong Wu,
  • Anfu Guo,
  • Regis Rugerinyange,
  • Chang Liu,
  • Zhengyu Zhao,
  • Wenchao Han and
  • Lvfa Yin

10 July 2024

In order to test the influence of the structural design of a no-tillage corn precision planter on vibration stability performance, a vibration model was constructed with the help of MATLAB/Simulink, and it was concluded that the vibration response cu...

  • Article
  • Open Access
1,162 Views
20 Pages

25 August 2025

To address the critical challenges in pyrometallurgical recycling processes—such as poor feedstock adaptability, high energy consumption during roasting conversion, and the low added value of rare earth products—this study systematically...

  • Article
  • Open Access
541 Views
29 Pages

Optimization of a Low-Loss Peanut Mechanized Shelling Technology Based on Moisture Content, Flexible Materials, and Key Operating Parameters

  • Xuan Liao,
  • Tao Liu,
  • Jiannan Wang,
  • Minji Liu,
  • Chenyang Sun,
  • Jiyou An,
  • Huanxiong Xie,
  • Zhichao Hu,
  • Yi Shen and
  • Hai Wei

14 November 2025

In order to address the problems of high mechanical damage rate (MDR) and poor variety adaptability in mechanical peanut shelling, this paper improves a small, flexible arc-plates drum–circular grid bar concave screen-type peanut-shelling devic...

  • Article
  • Open Access
11 Citations
4,714 Views
19 Pages

17 June 2023

Sorbitol, a product primarily derived from glucose hydrogenation, has extensive applications in the pharmaceutical, chemical and other industries. Amino styrene-co-maleic anhydride polymer encapsulated on activated carbon (Ru/ASMA@AC) catalysts were...

  • Article
  • Open Access
26 Citations
4,134 Views
17 Pages

Removal of Pb(II) from Aqueous Solution and Adsorption Kinetics of Corn Stalk Biochar

  • Wenling Yang,
  • Chaoyang Lu,
  • Bo Liang,
  • Chaohui Yin,
  • Gao Lei,
  • Baitao Wang,
  • Xiaokai Zhou,
  • Jing Zhen,
  • Shujing Quan and
  • Yanyan Jing

In this work, the Pb adsorption and removal ability of biochar from simulated Pb(II)-contaminated wastewater, adsorption isotherms, kinetics, and thermodynamics were studied. Adsorption characteristics of biochar on Pb(II) were analyzed by Fourier tr...

  • Article
  • Open Access
446 Views
16 Pages

Objective: To develop a stable nanoemulsion loaded with Magnoliae Flos essential oil (MEO-NE) and evaluated its potential as an enhancer for nose-to-brain delivery in both solution and gel formulations. Methods: The MEO-NE was prepared using a low-en...

  • Article
  • Open Access
12 Citations
3,742 Views
20 Pages

Design and Experiment of Hydraulic Scouring System of Wide-Width Lotus Root Digging Machine

  • Yan Liu,
  • Yong Zhou,
  • Wen Lv,
  • Haidong Huang,
  • Guozhong Zhang,
  • Ming Tu and
  • Lin Huang

7 November 2021

In response to the problems of small working width and low operating efficiency of existing hydraulic scouring lotus root harvesters, a wide-width hydraulic scouring system was designed based on a wide-width self-propelled lotus root harvester. The m...

  • Article
  • Open Access
3 Citations
1,096 Views
17 Pages

26 August 2024

The Daning-Jixian Block harbors abundant tight sandstone gas resources. However, significant variations in gas production exist among the different wells within the block. A comprehensive study was conducted on key factors such as sedimentary strata...

  • Article
  • Open Access
1 Citations
3,099 Views
18 Pages

20 September 2019

In this paper, we propose an optimal time and power allocation scheme in a wireless power supply full-duplex (FD) relay system, where we consider the number of relay antennas in the energy harvesting stage. At the same time, the energy efficiency opt...

  • Article
  • Open Access
6 Citations
1,964 Views
15 Pages

24 November 2023

Taxanes are the best-known compounds in Taxus cuspidata owing to their strong anticancer effects. However, the traditional taxanes extraction method is the solid–liquid extraction method, which is limited by a large energy consumption and low y...

  • Article
  • Open Access
787 Views
22 Pages

19 August 2025

Picosecond laser drilling offers high precision and quality, and compared to femtosecond lasers, it also balances processing efficiency, making it widely used across various fields. However, existing drilling processes still face issues such as round...

  • Article
  • Open Access
1 Citations
872 Views
24 Pages

17 June 2025

With the continual expansion of global urbanization and population growth, urban energy demands have intensified, and anthropogenic activities have precipitated profound shifts in the global climate. These climatic changes directly alter urban enviro...

  • Article
  • Open Access
1 Citations
630 Views
36 Pages

10 October 2025

Conventional ridging and mulching machines struggle to perform effectively in yellow sand substrates due to their loose texture, high collapsibility, and strong fluidity, which compromise ridge stability and operational quality. To address these chal...

  • Article
  • Open Access
3 Citations
4,214 Views
17 Pages

Vibration Response of Soil under Low-Frequency Vibration Using the Discrete Element Method

  • Lipengcheng Wan,
  • Yonglei Li,
  • Jinyu Song,
  • Xiang Ma,
  • Xiangqian Dong,
  • Chao Zhang and
  • Jiannong Song

8 October 2023

The vibration response of soil is a key property in the field of agricultural soil tillage. Vibration components of tillage machinery are generally used to reduce tillage resistance and improve work efficiency, and the pressure variation under low-fr...

  • Article
  • Open Access
732 Views
24 Pages

Design and Experiment of DEM-Based Layered Cutting–Throwing Perimeter Drainage Ditcher for Rapeseed Fields

  • Xiaohu Jiang,
  • Zijian Kang,
  • Mingliang Wu,
  • Zhihao Zhao,
  • Zhuo Peng,
  • Yiti Ouyang,
  • Haifeng Luo and
  • Wei Quan

To address compacted soils with high power consumption and waterlogging risks in rice–rapeseed rotation areas of the Yangtze River, this study designed a ditching machine combining a stepped cutter head and trapezoidal cleaning blade, where the...

  • Article
  • Open Access
6 Citations
3,328 Views
24 Pages

12 November 2019

This paper explores the energy efficiency (EE) maximization problem in single-hop multiple-input multiple-output (MIMO) half-duplex wireless sensor networks (WSNs) with simultaneous wireless information and power transfer (SWIPT). Such an energy effi...

  • Article
  • Open Access
650 Views
13 Pages

27 July 2025

Distributed energy resource systems offer improved energy utilization and reduced transmission losses by decentralizing power generation and load management. However, the power quality is often compromised by inefficient customer-side equipment, such...

  • Article
  • Open Access
3 Citations
3,499 Views
16 Pages

Assessing Multiple Pathways for Achieving China’s National Emissions Reduction Target

  • Mingyue Wang,
  • Yu Liu,
  • Yawen Liu,
  • Shunxiang Yang and
  • Lingyu Yang

27 June 2018

In order to achieve China’s target of carbon intensity emissions reduction in 2030, there is a need to identify a scientific pathway and feasible strategies. In this study, we used stochastic frontier analysis method of energy efficiency, incor...

  • Article
  • Open Access
7 Citations
7,994 Views
18 Pages

As an important public facility, the number, area, and scale of hospital buildings are growing rapidly. The efficiency of nurses’ rounds to beds is an important indicator of the efficiency of nursing units in ward buildings. Ward buildings occu...

  • Opinion
  • Open Access
6 Citations
5,429 Views
10 Pages

David C. Geary proposed the efficiency of mitochondrial processes, especially the production of energy, as the most fundamental biological mechanism contributing to individual differences in general intelligence (g). While the efficiency of mitochond...

  • Article
  • Open Access
18 Citations
8,482 Views
23 Pages

22 December 2011

In this work, we present an energy efficient hierarchical cooperative clustering scheme for wireless sensor networks. Communication cost is a crucial factor in depleting the energy of sensor nodes. In the proposed scheme, nodes cooperate to form clus...

  • Article
  • Open Access
14 Citations
6,578 Views
18 Pages

National legal and political regulation in the field of energy efficiency is closely connected to minimizing energy consumption in buildings. Within the framework of implementing Directive 2018/844/EU on the energy performance of buildings in Europe,...

  • Article
  • Open Access
14 Citations
3,037 Views
16 Pages

19 November 2020

Inclusion of energy efficiency measures (EEMs) in the renovation of the single-family housing stock can unlock the potential for much-needed energy efficiency to tackle climate change. Energy renovation (ER) in single-family houses is often promoted...

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