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Spatiotemporal distance embedded hybrid ant colony algorithm for a kind of vehicle routing problem with constraints Research Article

Zhenhui FENG, Renbin XIAO,feng_zh@hust.edu.cn,rbxiao@hust.edu.cn

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 7,   Pages 1062-1079 doi: 10.1631/FITEE.2200585

Abstract: We investigate a kind of in the car-sharing mobility environment, where the problem is based on user orders, and each order has a reservation time limit and two location point transitions, origin and destination. It is a typical extended vehicle routing problem (VRP) with both time and space constraints. We consider the VRPC problem characteristics and establish a vehicle scheduling model to minimize operating costs and maximize user (or passenger) experience. To solve the scheduling model more accurately, a spatiotemporal distance representation function is defined based on the temporal and spatial properties of the customer, and a spatiotemporal distance embedded hybrid ant colony algorithm (HACA-ST) is proposed. The algorithm can be divided into two stages. First, through spatiotemporal clustering, the spatiotemporal distance between users is the main measure used to classify customers in categories, which helps provide heuristic information for problem solving. Second, an improved ) is proposed to optimize the solution by combining a and the to obtain the final scheduling route. Computational analysis is carried out based on existing data sets and simulated urban instances. Compared with other heuristic algorithms, HACA-ST reduces the length of the shortest route by 2%–14% in benchmark instances. In VRPC testing instances, concerning the combined cost, HACA-ST has competitive cost compared to existing VRP-related algorithms. Finally, we provide two actual urban scenarios to further verify the effectiveness of the proposed algorithm.

Keywords： Vehicle routing problem with constraints (VRPC)     Spatiotemporal distance function     Labor division strategy    

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UNREDUCED MEGAGAMETOPHYTE FORMATION VIA SECOND DIVISION RESTITUTION CONTRIBUTES TO TETRAPLOID PRODUCTION

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 2,

Abstract: diploid × tetraploid interploidy crosses is thought to be the most efficient and widely-used strategyheterozygosity rates in 16 SNP loci and all 2n megagametophytes were less than 50%, indicating that second division

Keywords： Citrus / 2n gamete / interploidy hybridization / pericentromeric SNP marker / second division restitution    

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UNREDUCED MEGAGAMETOPHYTE FORMATION VIA SECOND DIVISION RESTITUTION CONTRIBUTES TO TETRAPLOID PRODUCTION

Qiangming XIA, Wei WANG, Kaidong XIE, Xiaomeng WU, Xiuxin DENG, Jude W. GROSSER, Wenwu GUO

Frontiers of Agricultural Science and Engineering   Pages 302-313 doi: 10.15302/J-FASE-2021385

Abstract: production via diploid × tetraploid interploidy crosses is thought to be the most efficient and widely-used strategyheterozygosity rates in 16 SNP loci and all 2n megagametophytes were less than 50%, indicating that second division

Keywords： Citrus     2n gamete     interploidy hybridization     pericentromeric SNP marker     second division restitution    

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Control division of agricultural non-point source pollution at medium-sized watershed scale in Southeast

HUANG Jinliang, HONG Huasheng, ZHANG Luoping

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 3,   Pages 333-339 doi: 10.1007/s11783-008-0035-7

Abstract: Based on the quantitative results derived from GIS and environmental models, five control division unitscritical source areas of NSP, which enables adjusting measures to local conditions by further control division
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SUSTAINABLE PLANT PEST MANAGEMENT THROUGH OPTIMIZATION AND MINIMIZATION

Plant Production and Protection Division (NSP), Food and Agriculture Organization of the United Nations

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 1,   Pages 161-166 doi: 10.15302/J-FASE-2021426

Abstract:

Plant pests and diseases have significant negative impacts on global food security, world trade and rural livelihoods. Climate change exacerbates these impacts in certain parts of the world. Overreliance on pesticides as the primary tool for plant pest management leads to problems such as pesticide resistance and pest resurgence. Environmental and food safety concerns are also associated with overuse of pesticides in crop production. There is clearly a need for a shift in pest management strategies and practices globally. Optimization of structures and functions in crop production agroecosystems through soil conservation practices and cropping diversification can improve pest regulation services provided in the systems. Prioritization of safer alternatives and practices in the IPM pyramid, such as resistant varieties and biopesticides, helps minimize the use of potentially risky agricultural inputs such as synthetic pesticides. Investment is needed to boost the development of innovative green technologies and practices. Production, distribution, use and regulatory capacities need to be strengthened to facilitate large-scale adoption of green technologies and practices. Finally, policy, financial and market instruments should be wielded to provide an enabling environment for the transformation to sustainable plant pest and disease management strategies and practices worldwide.

 

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A review of traditional and novel detection techniques for melamine and its analogues in foods and animal feed

Mengshi LIN,

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 4,   Pages 427-435 doi: 10.1007/s11705-009-0244-z

Abstract: Current analytical methods for testing melamine are time-consuming, expensive, and labor-intensive.

Keywords： milk-derived     Melamine     labor-intensive     cyanurate     time-consuming    

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Dynamics of foot-and-mouth disease virus replication in cells at different phases of the cell-division

Claudia DOEL,Zhidong ZHANG,Lise MAZELET,Ryan WATERS,John BASHIRUDDIN

Frontiers of Agricultural Science and Engineering 2014, Volume 1, Issue 3,   Pages 250-257 doi: 10.15302/J-FASE-2014031

Abstract: describes studies in which FMDV infection was investigated in cells that were held at various cell division

Keywords： foot-and-mouth disease virus     cell cycle     replication    

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Greenhouse gas emissions mitigation and economic viability of sugar crops in China

Frontiers of Agricultural Science and Engineering doi: 10.15302/J-FASE-2023529

Abstract:

● Sugarcane and sugar beet yield and carbon footprint rose with time but profit declined

Keywords： Economic profits     GHG emissions     labor input     nitrogen input     sugar    

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Electricity demand, GDP and employment: evidence from Italy

Cosimo MAGAZZINO

Frontiers in Energy 2014, Volume 8, Issue 1,   Pages 31-40 doi: 10.1007/s11708-014-0296-8

Abstract: methodologies to examine the causal relationship among electricity demand, real per capita GDP and total laborThis equilibrium relation implies that, in the long-run, GDP and labor force are correlated negativelyis a bi-directional Granger causality flow between real per capita GDP and electricity demand; while laborin real per capita GDP are mainly caused by the uncertainty in GDP itself, while forecast errors in laborforce are mainly resulted from the labor force itself, although aggregate income and electricity are

Keywords： energy policies     electricity demand     GDP     labor force     stationarity     structural breaks     cointegration     causality    

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Development of splenic surgery in China

JIANG Hongchi, ZHAO Xianqi, GAO Yue

Frontiers of Medicine 2007, Volume 1, Issue 2,   Pages 126-129 doi: 10.1007/s11684-007-0024-4

Abstract: applicable clinical frameworks have been established, thus making splenic surgery an indispensable division

Keywords： function     respective     prosperous discipline     knowledge     indispensable division    

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Application of 3S Technologies to Regional Ecological Function Division —A Case of City of Puyang in

Bian Yousheng,Cai Bofeng,Zhao Nan

Strategic Study of CAE 2005, Volume 7, Issue 12,   Pages 54-60

Abstract:

The ecological function division is the premise of reconciliation of economy, society and environmenttechnologies are the important guarantee of the accuracy and feasibility for the ecological function divisionexample, the characteristics and advantages of using 3S technologies for ecological function region divisionecological pattern which deeply influences the ecological function are sufficiently considered in the divisionmentioned above greatly improve the reasonability and practical significance of the ecological function division

Keywords： ecological function division     3S     spatial analysis     ecological pattern    

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Based on ancient chinese engineering management “Dujiangyan Triangle Rule”and its application

Lu Guiqing

Strategic Study of CAE 2013, Volume 15, Issue 11,   Pages 24-30

Abstract: weak human resources management of construction enterprise is one of the key factors affecting low labor

Keywords： construction engineering management     labor productivity     Dujiangyan Triangle Rule     human resource management    

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Development Visions and Policies of China’s Agriculture by 2050

Huang Jikun, Hu Ruifa, Yi Hongmei, Sheng Yu, Wang Jinxia, Bao Mingtao, Liu Xu

Strategic Study of CAE 2022, Volume 24, Issue 1,   Pages 11-19 doi: 10.15302/J-SSCAE-2022.01.002

Abstract:

To achieve common prosperity, we need to equalize the labor productivityChina’s agricultural labor productivity is less than 1/3 of that in the manufacturing and serviceanalysis on the trend of agricultural development suggests that it is essential to raise the agricultural laborproductivity through internal labor division to ensure national food security.Eventually, the labor productivity of large- and small-scale farmers will converge to achieve common

Keywords： future agriculture     planting industry     80/20 pattern     agricultural labor productivity    

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A novel energy-efficient ICI cancellation technique for bandwidth improvements through cyclic prefix reuse in an OFDM system Article

Sandeep SAROWA, Harmanjeet SINGH, Sunil AGRAWAL, B. S. SOHI

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 11,   Pages 1892-1899 doi: 10.1631/FITEE.1601333

Abstract: Orthogonal frequency division multiplexing (OFDM), a very promising technique that is leading the evolution

Keywords： Orthogonal frequency division multiplexing (OFDM)     Fast Fourier transform (FFT)     Cyclic prefix (CP)    

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Equipment–process–strategy integration for sustainable machining: a review

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0752-4

Abstract: Sustainable production is considered to be a favorable strategy for achieving machining upgrades characterizedThus, this study explores the sustainability of machining from the aspects of equipment, process, and strategyIn particular, the equipment, process, and strategy of sustainable machining are systematically analyzed

Keywords： sustainable machining     equipment     process     strategy     manufacturing    

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Title Author Date Type Operation

Spatiotemporal distance embedded hybrid ant colony algorithm for a kind of vehicle routing problem with constraints

Zhenhui FENG, Renbin XIAO,feng_zh@hust.edu.cn,rbxiao@hust.edu.cn

Journal Article

UNREDUCED MEGAGAMETOPHYTE FORMATION VIA SECOND DIVISION RESTITUTION CONTRIBUTES TO TETRAPLOID PRODUCTION

Journal Article

UNREDUCED MEGAGAMETOPHYTE FORMATION VIA SECOND DIVISION RESTITUTION CONTRIBUTES TO TETRAPLOID PRODUCTION

Qiangming XIA, Wei WANG, Kaidong XIE, Xiaomeng WU, Xiuxin DENG, Jude W. GROSSER, Wenwu GUO

Journal Article

Control division of agricultural non-point source pollution at medium-sized watershed scale in Southeast

HUANG Jinliang, HONG Huasheng, ZHANG Luoping

Journal Article

SUSTAINABLE PLANT PEST MANAGEMENT THROUGH OPTIMIZATION AND MINIMIZATION

Plant Production and Protection Division (NSP), Food and Agriculture Organization of the United Nations

Journal Article

A review of traditional and novel detection techniques for melamine and its analogues in foods and animal feed

Mengshi LIN,

Journal Article

Dynamics of foot-and-mouth disease virus replication in cells at different phases of the cell-division

Claudia DOEL,Zhidong ZHANG,Lise MAZELET,Ryan WATERS,John BASHIRUDDIN

Journal Article

Greenhouse gas emissions mitigation and economic viability of sugar crops in China

Journal Article

Electricity demand, GDP and employment: evidence from Italy

Cosimo MAGAZZINO

Journal Article

Development of splenic surgery in China

JIANG Hongchi, ZHAO Xianqi, GAO Yue

Journal Article

Application of 3S Technologies to Regional Ecological Function Division —A Case of City of Puyang in

Bian Yousheng,Cai Bofeng,Zhao Nan

Journal Article

Based on ancient chinese engineering management “Dujiangyan Triangle Rule”and its application

Lu Guiqing

Journal Article

Development Visions and Policies of China’s Agriculture by 2050

Huang Jikun, Hu Ruifa, Yi Hongmei, Sheng Yu, Wang Jinxia, Bao Mingtao, Liu Xu

Journal Article

A novel energy-efficient ICI cancellation technique for bandwidth improvements through cyclic prefix reuse in an OFDM system

Sandeep SAROWA, Harmanjeet SINGH, Sunil AGRAWAL, B. S. SOHI

Journal Article

Equipment–process–strategy integration for sustainable machining: a review

Journal Article