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Numerical simulation of charge stratifications to improve combustion and NO formation of lean-burn SI

Zhijun PENG ,

Frontiers in Energy 2009, Volume 3, Issue 3,   Pages 353-358 doi: 10.1007/s11708-009-0035-8

Abstract: The influences of charge stratification on spark ignition (SI) engine combustion and NO emission werewithin the dilution limit of the combustible charge, the gradient of dilution has little effect on combustion

Keywords： charge stratification     SI engine     lean-burn combustion     NO emission    

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Selective catalytic reduction of NOx from exhaust of lean-burn engine over Ag-Al2O3/cordierite catalyst

LI Junhua, KANG Shoufang, FU Lixin, HAO Jiming

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 2,   Pages 143-146 doi: 10.1007/s11783-007-0025-1

Abstract: The catalyst performance was tested on a real lean-burn gasoline engine.

Keywords： lean-burn gasoline     external reductant     nitrogen adsorption     conversion     catalyst performance    

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Experimental study of stratified lean burn characteristics on a dual injection gasoline engine

Chun XIA, Tingyu ZHAO, Junhua FANG, Lei ZHU, Zhen HUANG

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 900-915 doi: 10.1007/s11708-021-0812-6

Abstract: Lean burn mode could greatly reduce pumping loss and decrease the fuel consumption of gasoline enginesIn this study, dual injection stratified combustion mode is used to accelerate the burning rate of leanIt is shown that the lean burn limit can be extended to Lambda= 1.8 with a low compression ratio of 10There exists a spark window for dual injection stratified lean burn mode, in which the spark timing hasThe dual injection stratified lean burn has a wide range of applications which can effectively reduce

Keywords： dual injection     stratified lean burn     gasoline engine     particulate matter emission     combustion analysis    

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Progress in developing an innovative lean burn catalytic turbine technology for fugitive methane mitigation

Shi SU, Xinxiang YU

Frontiers in Energy 2011, Volume 5, Issue 2,   Pages 229-235 doi: 10.1007/s11708-011-0147-9

Abstract: utilization of the fugitive mine methane, and then presents research progress in developing an innovative leanburn catalytic turbine technology for fugitive methane mitigation and utilization.

Keywords： coal mine methane     mitigation and utilization     lean burn gas turbine     catalytic combustion    

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Experimental investigations on combustion characteristics of syngas composed of CH

Qingwei FAN, Shien HUI, Qulan ZHOU, Qinxin ZHAO, Tongmo XU

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 404-410 doi: 10.1007/s11705-010-0513-x

Abstract: complex in components (mainly CH , CO, and H ), and these results to the distinguished differences in combustionExperimental investigations on basic combustion characteristics of syngas referred above are conducted

Keywords： dual gas resources polygeneration     lean premixed combustion     residual gas     remained raw gas     NO   

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Comparison of combustion characteristics of petroleum coke and coal in one-dimensional furnace

Qulan ZHOU, Qinxin ZHAO, Guangjie ZHOU, Huiqing WANG, Tongmo XU, Shien HUI,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 436-442 doi: 10.1007/s11708-009-0059-0

Abstract: effect of primary air fraction , outer secondary air swirl strength and excess oxygen coefficient on the combustioncharacteristics of petroleum coke, Hejin lean coal and Shenmu soft coal are researched on a one-dimensionalshow that with the increase in primary air fraction , the NO emission concentrations of both Hejin leancoal and petroleum coke increase, and the combustion worsens in the earlier stage, but the burn-outThe ignition and burn-out rate of petroleum coke and Shenmu soft coal are optimal when Ω is minimum

Keywords： petroleum coke     Shenmu soft coal     Hejin lean coal     combustion characteristics     experimental research    

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Sequential degradation-based burn-in test with multiple periodic inspections

Frontiers of Engineering Management 2021, Volume 8, Issue 4,   Pages 519-530 doi: 10.1007/s42524-021-0166-0

Abstract: Burn-in has been proven effective in identifying and removing defective products before they are deliveredMost existing burn-in models adopt a one-shot scheme, which may not be sufficient enough for identificationuseful life prediction and accelerated lifetime test, this study proposes a sequential degradation-based burn-inWe cast the problem into a partially observed Markov decision process to minimize the expected total burn-in

Keywords： burn-in     degradation     multiple inspections     Wiener process     partially observed Markov decision process    

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Monocyte subsets and their differentiation tendency after burn injury

Guangqing Wang, Zhaofan Xia

Frontiers of Medicine 2013, Volume 7, Issue 4,   Pages 397-400 doi: 10.1007/s11684-013-0298-7

Abstract: present study may help enhance understanding on the perturbation of the immune system after severe burn

Keywords： monocyte     differentiation     burn    

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Lean Product Development—Faster, Better … Cleaner?

Geert Letens

Frontiers of Engineering Management 2015, Volume 2, Issue 1,   Pages 52-59 doi: 10.15302/J-FEM-2015007

Abstract: To address this challenge, lean product development has emerged to become the leading improvement methodologyWhile lean product development has its origin in the best practice studies of Japanese car manufacturersThe primary purpose of this work is to untangle the fuzziness that still surrounds lean product developmentand to ground the key aspects of lean product development based on insights from six studies publishedThis demonstrates how better and faster product development can be achieved through the integration of lean

Keywords： lean product development     sustainability engineering     responsible design    

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Achievements in burn surgery over the past 50 years in China

WANG Shiliang

Frontiers of Medicine 2008, Volume 2, Issue 4,   Pages 332-336 doi: 10.1007/s11684-008-0063-5

Abstract: This paper reflects on the advancements of clinical and scientific research in the field of burn surgery

Keywords： immunology     scientific     nutritional     microbiology     engineering    

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Proposing a “lean and green” framework for equipment cost analysis in construction

Ming LU, Nicolas DIAZ, Monjurul HASAN

Frontiers of Engineering Management 2019, Volume 6, Issue 3,   Pages 384-394 doi: 10.1007/s42524-019-0033-4

Abstract: this paper formalizes an integrative framework for equipment cost analysis based on the concepts of lean

Keywords： green construction     lean construction     equipment     simulation     earthwork construction     sustainability     productivity    

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Hotspots Evolution and Frontier Analysis of Lean Construction Research—Integrated Scientometric Analysis

Qing-hua He,Ge Wang

Frontiers of Engineering Management 2015, Volume 2, Issue 2,   Pages 141-147 doi: 10.15302/J-FEM-2015023

Abstract: To develop a lean and green construction industry, Lean Construction (LC) is proposed as a new constructionThree major directions of LC research: greening LC; Building Information Modeling (BIM) based LC; and lean

Keywords： Lean Construction     green industry     efficient use    

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Development and Prospects of Lean-type Swine Breeding

Xiong Yuanzhu

Strategic Study of CAE 2000, Volume 2, Issue 9,   Pages 42-46

Abstract:

In this paper, swine breeding process in the world, especially in China was summarized, including the investigation of native breed resources, importing excellent foreign breeds, selection of new breeds and special lines, cross utilization of special lines, breeding swine testing , etc. The application and achievements of molecular genetics and biotechnology in swine breeding were briefly introduced. The goals of swine breeding in 21st century were discussed, and some suggestion on selection and breeding of new breeds, preservation of swine genetic resources, breeding swine testing system and application of molecular genetics and biotechnology in swine breeding were presented.

Keywords： swine     lean-type     breeding    

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Blockchain-driven supply chain finance solution for small and medium enterprises

Jian LI, Shichao ZHU, Wen ZHANG, Lean YU

Frontiers of Engineering Management 2020, Volume 7, Issue 4,   Pages 500-511 doi: 10.1007/s42524-020-0124-2

Abstract: Blockchain has attracted much attention in recent years with the development of cryptocurrency and digital assets. As the underlying technology of cryptocurrency, blockchain has numerous benefits, such as de-centralization, collective maintenance, tamper-resistance, traceability, and anonymity. The potential of the blockchain technology (BT) is widely recognized in the financial field. Although some scholars have proposed the combination of blockchain and supply chain finance (SCF), the details of this combination is rarely mentioned. This study first analyzes the coupling between SCF and blockchain technology. Second, the conceptual framework of blockchain-driven SCF platform (BcSCFP) is presented. Third, the operation process of three SCF models on the BcSCFP is proposed. Finally, a case study combined with actual events is conducted. This paper has a positive practical significance in the operation and management of banks and loan enterprises.

Keywords： blockchain technology     supply chain finance     risk management     smart contract     decentralization    

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Owner-dominated building information modeling and lean construction in a megaproject

Mingyue LI, Zhuoling MA, Xi TANG

Frontiers of Engineering Management 2021, Volume 8, Issue 1,   Pages 60-71 doi: 10.1007/s42524-019-0042-3

Abstract: The integration of building information modeling (BIM) and lean construction (LC) provides a solution

Keywords： building information modeling     lean construction     airports     project management    

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Title Author Date Type Operation

Numerical simulation of charge stratifications to improve combustion and NO formation of lean-burn SI

Zhijun PENG ,

Journal Article

Selective catalytic reduction of NOx from exhaust of lean-burn engine over Ag-Al2O3/cordierite catalyst

LI Junhua, KANG Shoufang, FU Lixin, HAO Jiming

Journal Article

Experimental study of stratified lean burn characteristics on a dual injection gasoline engine

Chun XIA, Tingyu ZHAO, Junhua FANG, Lei ZHU, Zhen HUANG

Journal Article

Progress in developing an innovative lean burn catalytic turbine technology for fugitive methane mitigation

Shi SU, Xinxiang YU

Journal Article

Experimental investigations on combustion characteristics of syngas composed of CH

Qingwei FAN, Shien HUI, Qulan ZHOU, Qinxin ZHAO, Tongmo XU

Journal Article

Comparison of combustion characteristics of petroleum coke and coal in one-dimensional furnace

Qulan ZHOU, Qinxin ZHAO, Guangjie ZHOU, Huiqing WANG, Tongmo XU, Shien HUI,

Journal Article

Sequential degradation-based burn-in test with multiple periodic inspections

Journal Article

Monocyte subsets and their differentiation tendency after burn injury

Guangqing Wang, Zhaofan Xia

Journal Article

Lean Product Development—Faster, Better … Cleaner?

Geert Letens

Journal Article

Achievements in burn surgery over the past 50 years in China

WANG Shiliang

Journal Article

Proposing a “lean and green” framework for equipment cost analysis in construction

Ming LU, Nicolas DIAZ, Monjurul HASAN

Journal Article

Hotspots Evolution and Frontier Analysis of Lean Construction Research—Integrated Scientometric Analysis

Qing-hua He,Ge Wang

Journal Article

Development and Prospects of Lean-type Swine Breeding

Xiong Yuanzhu

Journal Article

Blockchain-driven supply chain finance solution for small and medium enterprises

Jian LI, Shichao ZHU, Wen ZHANG, Lean YU

Journal Article

Owner-dominated building information modeling and lean construction in a megaproject

Mingyue LI, Zhuoling MA, Xi TANG

Journal Article