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4,622 Results Found

  • Review
  • Open Access
82 Citations
14,587 Views
28 Pages

1 December 2019

Decarbonisation, energy security and expanding energy access are the main driving forces behind the worldwide increasing attention in renewable energy. This paper focuses on the solar photovoltaic (PV) technology because, currently, it has the most a...

  • Article
  • Open Access
43 Citations
13,085 Views
12 Pages

Coffee production is the main economic activity for smallholder farmers in Rwanda; it is also a major export crop. However, Rwandan coffee production has been facing structural changes with a significant decline in production. Considering the importa...

  • Article
  • Open Access
7 Citations
4,936 Views
14 Pages

Data Envelopment Analysis (DEA) to Estimate Technical and Scale Efficiencies of Smallholder Pineapple Farmers in Ghana

  • Kwaku Boakye,
  • Yu-Feng Lee,
  • Festus F. Annor,
  • Samuel K. N. Dadzie and
  • Iddrisu Salifu

This study focuses on evaluating the technical and scale efficiencies of smallholder pineapple farmers in Ghana’s Central Region. We surveyed 320 participants selected using random sampling and applied an input-oriented Data Envelopment Analysi...

  • Article
  • Open Access
21 Citations
3,740 Views
13 Pages

The spatial relationship between water use efficiency and water scarcity has been widely discussed, but little attention has been paid to the impact of the pure technical and scale efficiencies of water use on water scarcity. Using input-oriented dat...

  • Article
  • Open Access
7 Citations
2,892 Views
23 Pages

2 November 2022

Improving the technical efficiency of forest vegetation carbon sequestration is an effective way to accelerate the pace and reduce the cost of carbon neutrality in China. Therefore, it is particularly important to explore the technical efficiency, in...

  • Article
  • Open Access
17 Citations
7,297 Views
12 Pages

4 August 2020

This paper presents a technical and economic feasibility assessment of utility-scale solar photovoltaic (PV) plants in the West Kalimantan Province of Borneo, which is essential for boosting the development of solar PV plants in Indonesia. The assess...

  • Article
  • Open Access
45 Citations
10,655 Views
28 Pages

Selection of Technical Reactor Equipment for Modular, Continuous Small-Scale Plants

  • Nicolai Krasberg,
  • Lukas Hohmann,
  • Thomas Bieringer,
  • Christian Bramsiepe and
  • Norbert Kockmann

10 March 2014

Fast process development, flexible production and the utilization of advanced process conditions are the main goals of modular and continuous small-scale plants (MCSPs). A configurable layout of the modules and the use of predefined equipment enable...

  • Article
  • Open Access
3 Citations
5,023 Views
14 Pages

Propulsion and Suspension Concept of the Technical University of Munich Hyperloop Full-Scale Demonstrator

  • Domenik Radeck,
  • Felix He-Mao Hsu,
  • Florian Janke,
  • Gabriele Semino,
  • Tim Hofmann,
  • Sebastian Rink and
  • Agnes Jocher

The hyperloop concept envisions a low pressure tube and capsules, called pods, traveling at the speed of commercial aircraft as a sustainable, future-proof mass transportation system between cities. However, in contrast to the use case of such a syst...

  • Technical Note
  • Open Access
6 Citations
3,038 Views
13 Pages

Technical Note: On the Production and Accuracy of CNC-Manufactured Hydraulic Scale Models

  • Jochen Aberle,
  • Ralph Eikenberg,
  • Till Branß and
  • Pierre-Yves Henry

27 March 2021

This Technical Note addresses the workflow for the production of hydraulic scale models using a Computer Numerically Controlled (CNC) production technique and investigates the possibilities to accurately reproduce topographical roughness features. Fo...

  • Article
  • Open Access
10 Citations
4,747 Views
14 Pages

Technical Efficiency Analysis of Coastal Small-Scale Fisheries in Liberia

  • Alvin Slewion Jueseah,
  • Tumi Tómasson,
  • Ogmundur Knutsson and
  • Dadi Mar Kristofersson

12 July 2021

The coastal fisheries in Liberia comprise small-scale Kru and Fanti low technology canoes and open boats, as well as industrial trawlers. At the end of the war in 2003, foreign industrial trawlers dominated the coastal fisheries in Liberia. After the...

  • Article
  • Open Access
6 Citations
2,202 Views
28 Pages

12 February 2025

The increasing requirement for distillates, accompanied by higher quantities of heavy crude oil in world production, has positioned gas oil hydrocracking as one of the most significant processes in refineries. In the petrochemical industry, hydrocrac...

  • Article
  • Open Access
16 Citations
5,045 Views
29 Pages

The Technical Challenges for Applying Unsaturated Soil Sensors to Conduct Laboratory-Scale Seepage Experiments

  • Guanxi Yan,
  • Thierry Bore,
  • Habibullah Bhuyan,
  • Stefan Schlaeger and
  • Alexander Scheuermann

13 May 2022

Although many unsaturated soil experiments have successfully delivered positive outcomes, most studies just concisely illustrated sensor techniques, because their main objectives focused on bridging research gaps. Inexperienced research fellows might...

  • Article
  • Open Access
10 Citations
2,922 Views
21 Pages

Green Hydrogen Production at the Gigawatt Scale in Portugal: A Technical and Economic Evaluation

  • Rui P. Borges,
  • Flávia Franco,
  • Fátima N. Serralha and
  • Isabel Cabrita

29 March 2024

The European Union has committed to achieving carbon neutrality by 2050 and green hydrogen has been chosen as a priority vector for reaching that goal. Accordingly, Portugal has drafted a National Hydrogen Strategy laying out the various steps for th...

  • Article
  • Open Access
3 Citations
1,422 Views
19 Pages

Assessing the Technical Efficiency and Resilience of Rwandan Smallholder Farmers Participating in Small-Scale Irrigation Schemes

  • Emmanuel Olatunbosun Benjamin,
  • Alexander Lotz,
  • Oreoluwa Ola and
  • Gertrud Rosa Buchenrieder

24 February 2025

In a number of developing countries, low productivity and technical inefficiency, with climate change looming in the background, remain a severe challenge for the agricultural sector, especially smallholder farmers. To enhance smallholder farmers&rsq...

  • Article
  • Open Access
12 Citations
5,142 Views
14 Pages

27 February 2019

Under an intense internationally competitive business environment, it is important to understand the production efficiency of the baking industry, where efficient management is becoming increasingly important to ensure the sustainable development of...

  • Article
  • Open Access
17 Citations
3,440 Views
18 Pages

15 April 2022

Microalgae-based technologies have huge potential for application in the environment sector and the bio-energy industry. However, their cost-efficiency has to be improved by drawing on design and operation data for large-scale installations. This pap...

  • Article
  • Open Access
2 Citations
3,284 Views
14 Pages

8 December 2022

Sustainable green development, cost saving, and efficiency improvement have become the main theme of the high-quality development of China’s animal husbandry and the problem of overuse of feed should be paid more attention. Based on the 3-year...

  • Feature Paper
  • Article
  • Open Access
47 Citations
4,207 Views
16 Pages

15 March 2021

Nowadays, using fly ash for zeolites production has become a well-known strategy aimed on sustainable development. During zeolite synthesis in a hydrothermal conversion large amount of post-reaction solution is generated. In this work, the solution w...

  • Feature Paper
  • Article
  • Open Access
12 Citations
4,920 Views
17 Pages

Solar energy has shown to be a successful renewable source, wherefore large investments are planned in the upcoming decades. This work aims at developing technical and economical solutions to optimize a utility-scale grid connected solar photovoltaic...

  • Article
  • Open Access
16 Citations
3,826 Views
12 Pages

Improving the level of public sports services enhances citizens’ physical fitness by implementing the national fitness program. A systematic and scientific efficiency evaluation is a prerequisite for optimizing and improving the level of public sport...

  • Article
  • Open Access
62 Citations
9,007 Views
24 Pages

21 March 2017

The study assessed agricultural sustainability in South Asia (i.e., Bangladesh, Pakistan, India and Nepal) by computing multi-lateral multi-temporal Total Factor Productivity (TFP) indices and their six finer components (technical change, technical-,...

  • Article
  • Open Access
3 Citations
2,322 Views
19 Pages

16 February 2023

The agricultural production technical efficiency is the key to improving the sustainability of an agricultural section. Taking survey data of 314 grape growers in Fujian Province, China, this paper presents the impact of operation scale on their tech...

  • Review
  • Open Access
30 Citations
4,735 Views
23 Pages

15 October 2021

Literature and manuals refer to biomass gasification as one of the most efficient processes for power generation, highlighting features, such as residual biomass use, distributed generation and carbon sequestration, that perfectly incorporate gasific...

  • Article
  • Open Access
32 Citations
6,220 Views
11 Pages

Assessing the Efficiency of Small-Scale and Bottom Trawler Vessels in Greece

  • Dario Pinello,
  • Angelos Liontakis,
  • Alexandra Sintori,
  • Irene Tzouramani and
  • Konstantinos Polymeros

This study explores the technical and scale efficiency of two types of Greek fishing vessels, small-scale vessels and bottom trawlers, using a bias-corrected input-oriented Data Envelopment Analysis model. Moreover, the associations between efficienc...

  • Review
  • Open Access
36 Citations
14,593 Views
31 Pages

6 February 2025

The global transition to renewable energy sources (RESs) is accelerating to combat the rapid depletion of fossil fuels and mitigate their devastating environmental impact. However, the increasing integration of large-scale intermittent RESs, such as...

  • Article
  • Open Access
118 Citations
17,452 Views
21 Pages

Agricultural Productivity Growth and Its Determinants in South and Southeast Asian Countries

  • Jianxu Liu,
  • Mengjiao Wang,
  • Li Yang,
  • Sanzidur Rahman and
  • Songsak Sriboonchitta

18 June 2020

Improving agricultural productivity is a priority concern in promoting the sustainable development of agriculture in developing countries. In this study, we first apply stochastic frontier analysis (SFA) to analyze the growth of agricultural total fa...

  • Article
  • Open Access
14 Citations
5,896 Views
12 Pages

13 August 2018

Cassava is becoming increasingly important as an industrial raw material in China. However, an insufficient supply of cassava raw materials and the expanding demand for cassava in downstream-processing industries restricts the development of the cass...

  • Article
  • Open Access
11 Citations
4,028 Views
18 Pages

11 February 2022

This study investigates the effect of innovation on firm value at each stage of the firm life cycle (FLC): growth, mature and decline stages. Innovation involves improving the yield of input resources and creating new revenue sources. Thus, we define...

  • Article
  • Open Access
30 Citations
4,471 Views
17 Pages

25 December 2021

Seeking to “ensure availability and sustainable management of water and sanitation for all” is an admirable Sustainable Development Goal and an honourable commitment of the United Nations and its Member States regarding the human right to...

  • Article
  • Open Access
2 Citations
2,149 Views
17 Pages

26 August 2023

Nowadays, one of the main challenges facing production management is how to enhance the performance of manufacturing processes by utilizing asymmetry input and output data. This research, therefore, developed a framework for window analysis in data e...

  • Review
  • Open Access
14 Citations
4,128 Views
23 Pages

21 June 2024

Fusarium head blight (FHB) is a major threat to global wheat production. Recent reviews of wheat FHB focused on pathology or comprehensive prevention and lacked a summary of advanced detection techniques. Unlike traditional detection and management m...

  • Article
  • Open Access
7 Citations
4,140 Views
21 Pages

The Efficiency of China’s Carbon Trading Schemes: A Tale of Seven Pilot Markets

  • Yigang Wei,
  • Yan Li,
  • Julien Chevallier and
  • Michal Wojewodzki

29 August 2024

This study evaluates the efficiency of China’s seven emission trading schemes (ETS) piloted in 2013. We evaluate seven pilots’ overall technical and scale efficiencies and temporal dynamics during 2014–2023. We use a bootstrap corre...

  • Article
  • Open Access
26 Citations
5,730 Views
20 Pages

The present study applied the Färe–Primont index approach to estimate the total factor productivity (TFP) growth of world agriculture, covering the period 1969–2013. Overall, the world agricultural TFP grew at a rate of 0.44% p.a. Th...

  • Article
  • Open Access
2 Citations
1,583 Views
16 Pages

26 November 2024

With the market-driven approach to agricultural technical services and the application of digital technology, digital agro-technical services have gradually emerged as a novel service model. However, there is a lack of empirical research on the effec...

  • Article
  • Open Access
20 Citations
4,374 Views
32 Pages

Impact Analysis of Large-Scale Wind Farms Integration in Weak Transmission Grid from Technical Perspectives

  • Shah Rukh Abbas,
  • Syed Ali Abbas Kazmi,
  • Muhammad Naqvi,
  • Adeel Javed,
  • Salman Raza Naqvi,
  • Kafait Ullah,
  • Tauseef-ur-Rehman Khan and
  • Dong Ryeol Shin

21 October 2020

The integration of commercial onshore large-scale wind farms into a national grid comes with several technical issues that predominately ensure power quality in accordance with respective grid codes. The resulting impacts are complemented with the ab...

  • Article
  • Open Access
1 Citations
3,617 Views
35 Pages

27 June 2025

This article examines the energy efficiency and climate impact of various heating methods commonly employed across industrial sectors. Fossil fuel combustion heat sources, which are predominantly employed for industrial heating, contribute significan...

  • Article
  • Open Access
9 Citations
5,093 Views
13 Pages

Biostability of Tap Water—A Qualitative Analysis of Health Risk in the Example of Groundwater Treatment (Semi-Technical Scale)

  • Andżelika Domoń,
  • Dorota Papciak,
  • Barbara Tchórzewska-Cieślak and
  • Katarzyna Pietrucha-Urbanik

1 December 2018

This article presents results of research which aimed to assess the impact of biofiltration processing on the biological stability of water. Effectiveness of biogenic substances removal (C, N, P) and bacteriological quality of water after the biofilt...

  • Article
  • Open Access
5 Citations
2,955 Views
27 Pages

Power generation companies play an important role in the Canadian economy, as most of the economic activities in the manufacturing and service sectors are powered by electricity. The significance of the Canadian power generation industry shows that e...

  • Article
  • Open Access
7 Citations
2,905 Views
12 Pages

28 June 2022

This paper presents the results of a survey on full-scale membrane biological reactors (MBRs) wastewater treatment plants (WWTPs) in Italy. Alongside the main technical characteristics of the Italian MBR plants, the opinions of the plant managers on...

  • Article
  • Open Access
6 Citations
2,557 Views
20 Pages

14 October 2021

Failure of systems applied in machines comprising rolling and slewing bearings usually causes downtime of the entire heavy machine. The problem of failures can be aggravated by extremely difficult operating conditions, such as significant loads or a...

  • Article
  • Open Access
3 Citations
2,217 Views
13 Pages

China’s Water Intensity Factor Decomposition and Water Usage Decoupling Analysis

  • Boyu Du,
  • Xiaoqian Guo,
  • Guwang Liu,
  • Anjian Wang,
  • Hongmei Duan and
  • Shaobo Guo

12 July 2022

As the most populous country in the world, China has a great shortage pressure of water resources. With the acceleration of urbanization, China’s water usage in different sectors will change significantly in next few years. In order to investig...

  • Article
  • Open Access
8 Citations
7,542 Views
17 Pages

A growing number of local green roof niches across the globe are transitioning into the mainstream domain. Guidelines are key to this process, as they define technological environments and set the criteria for best practices in a given socio-technica...

  • Article
  • Open Access
170 Views
33 Pages

30 January 2026

Residential energy renovation remains a central pillar of climate mitigation and social sustainability strategies, yet renovation rates persistently lag behind policy targets, particularly in older urban neighborhoods. This study investigates the und...

  • Article
  • Open Access
14 Citations
7,997 Views
16 Pages

2 February 2021

The study of environmental sustainability in the aviation industry mainly focuses on research targeting specific regions such as the United States, Europe, and China. However, for the environmental sustainability of the aviation industry, global airl...

  • Article
  • Open Access
35 Citations
11,491 Views
26 Pages

Validation of Regional-Scale Remote Sensing Products in China: From Site to Network

  • Shuguo Wang,
  • Xin Li,
  • Yong Ge,
  • Rui Jin,
  • Mingguo Ma,
  • Qinhuo Liu,
  • Jianguang Wen and
  • Shaomin Liu

26 November 2016

Validation is mandatory to quantify the reliability of remote sensing products (RSPs). However, this process is not straightforward and usually presents formidable challenges in terms of both theory and real-world operations. In this context, a dedic...

  • Article
  • Open Access
4 Citations
2,455 Views
20 Pages

23 March 2024

The pivotal role of farmers’ cropland conservation behavior (CCB) in advancing green agricultural practices is well-recognized. This paper underscores the critical role of stable land tenure in enhancing farmers’ CCB, exemplified by the p...

  • Article
  • Open Access
11 Citations
2,450 Views
15 Pages

26 February 2020

The rising level of environmental pollution in China indicates that the current pattern of economic development is unsustainable. Therefore, ensuring environmental quality places higher requirements on China’s economic development pattern from...

  • Article
  • Open Access
1 Citations
1,233 Views
15 Pages

Based on a sample of 412 apple farmer households across Gansu, Shaanxi, Shanxi, and Shandong provinces in China, this study estimates production efficiency and its determinants for apple growers. The stochastic frontier analysis model estimates techn...

  • Article
  • Open Access
14 Citations
9,133 Views
13 Pages

2 September 2013

This article is one of the first to carry out a non-parametric efficiency analysis of crop production in Uzbekistan. The study applies the bootstrap Data Envelopment Analysis (DEA) to compute bias corrected technical efficiency (TE) scores using a sa...

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