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Review of the LNG intermediate fluid vaporizer and its heat transfer characteristics

Frontiers in Energy 2022, Volume 16, Issue 3,   Pages 429-444 doi: 10.1007/s11708-021-0747-y

Abstract: The intermediate fluid vaporizer (IFV), different from other liquefied natural gas (LNG) vaporizers,including the structural innovation design, the thermal calculation model, and the selection of different intermediatetransfer behaviors of the supercritical LNG inside the tubes and the condensation heat transfer of the intermediatethermal calculations of the IFV, the selections of the existing heat transfer correlations about the intermediate

Keywords： intermediate fluid vaporizer     design of structure and intermediate fluid     condensation heat transfer    

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Simulation of performance of intermediate fluid vaporizer under wide operation conditions

Bojie WANG, Wen WANG, Chao QI, Yiwu KUANG, Jiawei XU

Frontiers in Energy 2020, Volume 14, Issue 3,   Pages 452-462 doi: 10.1007/s11708-020-0681-4

Abstract: The intermediate fluid vaporizer (IFV) is a typical vaporizer of liquefied natural gas (LNG), which inLNG is heated by seawater and the intermediate fluid in these heat exchangers.

Keywords： liquefied natural gas     intermediate fluid vapo-rizer     heat transfer performance     numerical simulation     extreme    

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Improvement in the synthesis of 2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(Z)-methoxyiminoacetic acid 2-benzothiazolyl thioester

GAO Shihao, SUN Chenghui, ZHAO Xinqi, GAO Changquan

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 80-84 doi: 10.1007/s11705-008-0017-0

Abstract: 2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-(Z)-methoxyiminoacetic acid 2-benzothiazolyl thioester(III), an importantintermediate of the fourth generation cephalosporins, was efficiently synthesized by reacting 2-(5-amino

Keywords： 5-Amino-1     2     4-thiadiazol-3-yl     1     2-dichloroethane     important intermediate     2-benzothiazolyl thioester     temperature    

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Structural behavior of intermediate length cold-formed steel rack columns with C-stitches

M. ANBARASU, Mahmud ASHRAF

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 937-949 doi: 10.1007/s11709-019-0528-4

Abstract: This article presents an experimental and numerical investigation on the strength and performance of intermediate

Keywords： cold-formed steel columns     C-stitches     intermediate length columns     distortional buckling    

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A new approach for scheduling of multipurpose batch processes with unlimited intermediate storage policy

Nikolaos Rakovitis, Nan Zhang, Jie Li, Liping Zhang

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 784-802 doi: 10.1007/s11705-019-1858-4

Abstract: The increasing demand of goods, the high competitiveness in the global marketplace as well as the need to minimize the ecological footprint lead multipurpose batch process industries to seek ways to maximize their productivity with a simultaneous reduction of raw materials and utility consumption and efficient use of processing units. Optimal scheduling of their processes can lead facilities towards this direction. Although a great number of mathematical models have been developed for such scheduling, they may still lead to large model sizes and computational time. In this work, we develop two novel mathematical models using the unit-specific event-based modelling approach in which consumption and production tasks related to the same states are allowed to take place at the same event points. The computational results demonstrate that both proposed mathematical models reduce the number of event points required. The proposed unit-specific event-based model is the most efficient since it both requires a smaller number of event points and significantly less computational time in most cases especially for those examples which are computationally expensive from existing models.

Keywords： scheduling     multipurpose batch processes     simultaneous transfer     mixed-integer linear programming    

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Efficiency measurement for mixed two-stage nonhomogeneous network processes with shared extra intermediate

Qingxian AN, Xuyang LIU, Shijie DING

Frontiers of Engineering Management 2020, Volume 7, Issue 2,   Pages 259-274 doi: 10.1007/s42524-019-0080-x

Abstract: This method aims to reasonably define the allocation portion of shared extra intermediate resources among

Keywords： shared resource allocation     mixed two-stage system     data envelopment analysis     efficiency    

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Extinction Chains Reveal Intermediate Phases Between the Safety and Collapse in Mutualistic Ecosystems

Guangwei Wang,Xueming Liu,Ying Xiao,Ye Yuan,Linqiang Pan,Xiaohong Guan,Jianxi Gao,Hai-Tao Zhang,

Engineering doi: 10.1016/j.eng.2024.06.004

Abstract: Ecosystems are undergoing unprecedented persistent deterioration due to unsustainable anthropogenic human activities, such as overfishing and deforestation, and the effects of such damage on ecological stability are uncertain. Despite recent advances in experimental and theoretical studies on regime shifts and tipping points, theoretical tools for understanding the extinction chain, which is the sequence of species extinctions resulting from overexploitation, are still lacking, especially for large-scale nonlinear networked systems. In this study, we developed a mathematical tool to predict regime shifts and extinction chains in ecosystems under multiple exploitation situations and verified it in 26 real-world mutualistic networks of various sizes and densities. We discovered five phases during the exploitation process: safe, partial extinction, bistable, tristable, and collapse, which enabled the optimal design of restoration strategies for degraded or collapsed systems. We validated our approach using a 20-year dataset from an eelgrass restoration project. Counterintuitively, we also found a specific region in the diagram spanning exploitation rates and competition intensities, where exploiting more species helps increase biodiversity. Our computational tool provides insights into harvesting, fishing, exploitation, or deforestation plans while conserving or restoring the biodiversity of mutualistic ecosystems.

Keywords： Complex system     Network science     Overexploitation     Regime shift     Metastability    

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Effects of sucrose crystallization and moisture migration on the structural changes of a coated intermediate

Tiancheng LI, Peng ZHOU, Theodore P. LABUZA

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 4,   Pages 346-350 doi: 10.1007/s11705-009-0256-8

Abstract: purpose of this study was to investigate whether moisture migration and sugar crystallization play an importantboth moisture loss and sucrose crystallization were mainly responsible for the formation of the crusty intermediate

Keywords： inner-layer     agglomerated     IMF     moisture migration     crystallization    

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Your personal choices in transportation and food are important for lowering carbon emissions

Frontiers of Environmental Science & Engineering 2024, Volume 18, Issue 6, doi: 10.1007/s11783-024-1830-5

Abstract:

● Express energy use and carbon emissions in understandable numbers.

Keywords： Carbon dioxide     Climate change     Daily energy     Greenhouse gas    

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Presentation of machine learning methods to determine the most important factors affecting road traffic

Hamid MIRZAHOSSEIN; Milad SASHURPOUR; Seyed Mohsen HOSSEINIAN; Vahid Najafi Moghaddam GILANI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 5,   Pages 657-666 doi: 10.1007/s11709-022-0827-z

Abstract: The purpose of this research was to develop statistical and intelligent models for predicting the severity of road traffic accidents (RTAs) on rural roads. Multiple Logistic Regression (MLR) was used to predict the likelihood of RTAs. For more accurate prediction, Multi-Layer Perceptron (MLP) and Radius Basis Function (RBF) neural networks were applied. Results indicated that in MLR, the model obtained from the backward method with the correct percent of 84.7% and R2 value of 0.893 was the best method for predicting the likelihood of RTAs. Also, MLR showed that the variables of not paying attention to the front not paying attention to the frontroad ahead, followed byand then vehicle-motorcycle/bike accidents were the greatest problems. Among the models, MLP had a better performance, so that the prediction accuracy of MLR, MLP, and RBF were 84.7%, 96.7%, and 92.1%, respectively. MLP model, due to higher accuracy, showed that the variable of reason of accident had the highest effect on the prediction of accidents, and considering MLR results, the variables of not paying attention to the front and then vehicle-motorcycle/bike accidents had the most influence on the occurrence of accidents. Therefore, motorcyclists and cyclists are more prone to accidents, and appropriate solutions should be adopted to enhance their safety.

Keywords： safety     rural accidents     multiple logistic regression     artificial neural networks    

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Elements’ important ranking of China drug safety management system: applying the non-structural

Xiaoping ZHENG, Xiaocui WANG, Tingkuan ZHONG,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 290-299 doi: 10.1007/s11705-009-0283-5

Abstract: Drug safety management is an important issue in China drug management system and attracts great attentionsIn order to reduce drug incident, this study discusses some important elements associated with ChinaBesides, a methodology for rating the important elements is described and applied.The results indicate that the sample systems are the most important in these important elements, andThis study not only points out the important ranking of the pivotal elements in China drug safety management

Keywords： management system     different     management     important ranking     non-structural fuzzy    

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Recent advances in understanding genetic variants associated with economically important traits in sheep

Song-Song XU, Meng-Hua LI

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 3,   Pages 279-288 doi: 10.15302/J-FASE-2017151

Abstract: Sheep are one of the most economically important domesticated animals for human society.Additionally, comprehensive information on functional genes and genetic variants associated with economically important

Keywords： sheep     high-throughput screening     productive traits     genome-wide studies    

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Genomic regions under selection for important traits in domestic horse breeds

Xuexue LIU, Yuehui MA, Lin JIANG

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 3,   Pages 289-294 doi: 10.15302/J-FASE-2017155

Abstract: studies and genome wide analyses to identify the genomic regions targeted by positive selection for four important

Keywords： horse     coat color     racing performance     gait     height    

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Five important issues in the present field of knowledge discovery

Yang Bingru

Strategic Study of CAE 2009, Volume 11, Issue 4,   Pages 76-83

Abstract:

In this paper, the author summarized and proposed five important issuesin the present field of knowledge discovery and data mining, which comprise two important core issues, two conjectures, challenge issues in mainstream development, important issues of relevant fields in

Keywords： important core issues in KD     conjectures in KD     challenge issues in KD     protein secondary structure prediction    

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Patterned wafer bonding using ultraviolet adhesive

Rui ZHUO, Guanglan LIAO, Wenliang LIU, Lei NIE, Tielin SHI

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 214-218 doi: 10.1007/s11465-011-0130-5

Abstract:

The process of patterned wafer bonding using ultraviolet (UV) adhesive as the intermediate layer wasBy presetting the UV adhesive guide-layer, controlling the thickness of the intermediate layer (1&ndashμm), appropriate pre-drying temperature (60°C), and predrying time (6 min), we obtained the intermediate

Keywords： ultraviolet (UV) adhesive     intermediate layer     patterned wafer bonding    

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Title Author Date Type Operation

Review of the LNG intermediate fluid vaporizer and its heat transfer characteristics

Journal Article

Simulation of performance of intermediate fluid vaporizer under wide operation conditions

Bojie WANG, Wen WANG, Chao QI, Yiwu KUANG, Jiawei XU

Journal Article

Improvement in the synthesis of 2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(Z)-methoxyiminoacetic acid 2-benzothiazolyl thioester

GAO Shihao, SUN Chenghui, ZHAO Xinqi, GAO Changquan

Journal Article

Structural behavior of intermediate length cold-formed steel rack columns with C-stitches

M. ANBARASU, Mahmud ASHRAF

Journal Article

A new approach for scheduling of multipurpose batch processes with unlimited intermediate storage policy

Nikolaos Rakovitis, Nan Zhang, Jie Li, Liping Zhang

Journal Article

Efficiency measurement for mixed two-stage nonhomogeneous network processes with shared extra intermediate

Qingxian AN, Xuyang LIU, Shijie DING

Journal Article

Extinction Chains Reveal Intermediate Phases Between the Safety and Collapse in Mutualistic Ecosystems

Guangwei Wang,Xueming Liu,Ying Xiao,Ye Yuan,Linqiang Pan,Xiaohong Guan,Jianxi Gao,Hai-Tao Zhang,

Journal Article

Effects of sucrose crystallization and moisture migration on the structural changes of a coated intermediate

Tiancheng LI, Peng ZHOU, Theodore P. LABUZA

Journal Article

Your personal choices in transportation and food are important for lowering carbon emissions

Journal Article

Presentation of machine learning methods to determine the most important factors affecting road traffic

Hamid MIRZAHOSSEIN; Milad SASHURPOUR; Seyed Mohsen HOSSEINIAN; Vahid Najafi Moghaddam GILANI

Journal Article

Elements’ important ranking of China drug safety management system: applying the non-structural

Xiaoping ZHENG, Xiaocui WANG, Tingkuan ZHONG,

Journal Article

Recent advances in understanding genetic variants associated with economically important traits in sheep

Song-Song XU, Meng-Hua LI

Journal Article

Genomic regions under selection for important traits in domestic horse breeds

Xuexue LIU, Yuehui MA, Lin JIANG

Journal Article

Five important issues in the present field of knowledge discovery

Yang Bingru

Journal Article

Patterned wafer bonding using ultraviolet adhesive

Rui ZHUO, Guanglan LIAO, Wenliang LIU, Lei NIE, Tielin SHI

Journal Article