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Development and application of manufacturing technology for high-performance and cost-saving stainless

Xie Shengtao,Liu Zhenyu and Wang Guodong

Strategic Study of CAE 2014, Volume 16, Issue 1, Pages 81-87

Abstract:

Quenching and partitioning（Q&P）treatment was applied to cold rolling sheets of 409L and 410S ferritic stainless steels，which resulted in a multiphase microstructure of ferrite， martensite and retained austenite. The austenitizing temperature，quenching temperature and partitioning time were optimized to obtain the maximum martensite and retained austenite. Compared to normally annealed and quenching and tempering（Q&T）treated sheets，the Q&P treated one exhibited the best combination of strength and elongation，a continuous yielding and moderate n- value and r- value，which satisfied the requests of high strength and well formability and can substitute advanced high- strength steel in manufacture of automobile structural parts.

Keywords： stainless steel quenching partitioning high strength well formability

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Measurement of activity coefficients at infinite dilution for hydrocarbons in imidazolium-based ionic liquids and QSPR model

ZHU Jiqin, YU Yanmei, CHEN Jian, FEI Weiyang

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 2, Pages 190-194 doi: 10.1007/s11705-007-0035-3

Abstract: In fact, the measurement of γ by gas-liquid chromatography is a speedy and cost-saving method.

Keywords： cost-saving consistent coefficient measurement separating

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Life-cycle cost analysis of optimal timing of pavement preservation

Zilong WANG,Hao WANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 1, Pages 17-26 doi: 10.1007/s11709-016-0369-3

Abstract: This study developed an integrated life-cycle cost analysis (LCCA) model to quantify the impact of pavementpreservation on agency cost and vehicle operation cost (VOC) and analyzed the optimal timing of preservationtraffic loading and the initial IRI value significantly affects life extension and the benefit of agency costThe benefit in VOC is one to two orders greater in magnitude as compared to the benefit in agency costtiming calculated based on VOC is always earlier than the optimal timing calculated based on agency cost

Keywords： pavement preservation life-cycle cost analysis agency cost vehicle operation cost

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Comparative cost analysis of three different anesthesia methods in gynecological laparoscopic surgery

Xiaohui Chi, Yeling Chen, Mingfeng Liao, Fei Cao, Yuke Tian, Xueren Wang

Frontiers of Medicine 2012, Volume 6, Issue 3, Pages 311-316 doi: 10.1007/s11684-012-0205-7

Abstract:

In the current study, we assessed and evaluated the costs and benefits of three popular methods of general anesthesia practiced in our department for gynecological laparoscopic surgery in recent years. Sixty adult female patients who underwent elective gynecological laparoscopic surgery under general anesthesia were randomly divided into three groups: group V, group I and group C. In group V, anesthesia was induced intravenously with midazolam, remifentanil, propofol and vecuronium, and maintained with continuous infusion of propofol and remifentanil. In group I, anesthesia was intravenously induced with midazolam, fentanyl, propofol and vecuronium, and maintained with inhaled isoflurane and intravenous bonus of fentanyl. In group C, anesthesia was induced as in group I, but maintained with isoflurane inhalation combined with propofol-remifentanil infusion. All patients received vecuronium for muscle relaxation. Perioperative incidences of complications and total anesthesia costs for patients in all groups were recorded. In addition, postoperative satisfaction of the patients was also noted, and similar outcomes of the satisfaction were reported in all 60 patients. Although there was no statistical significance among groups, the incidence of postoperative nausea and vomiting were higher in group C, and the rates of shivering and the needs for analgesics were higher in group V. Anesthesia costs in group I were the lowest. Therefore, it is concluded that the costs of anesthesia induced with midazolam, fentanyl, propofol, vecuronium, and maintained with isoflurane, fentanyl and vecuronium are cheapest, and there is no significant difference in patients’ satisfaction and safety among the three above-mentioned methods of anesthesia in our department.

Keywords： general anesthesia economics cost

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Energy-saving operation approaches for urban rail transit systems

Ziyou GAO, Lixing YANG

Frontiers of Engineering Management 2019, Volume 6, Issue 2, Pages 139-151 doi: 10.1007/s42524-019-0030-7

Abstract: Thus, reducing the energy consumption and operational cost by using advanced optimization methodologiesThis work systematically introduces energy-saving approaches for urban rail transit systems in three

Keywords： urban rail transit energy saving speed profile optimization regenerative energy train timetable

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Comparison of different energy saving lights using solar panel

Huzaifa MUBARAK,Saad Bin Abul KASHEM

Frontiers in Energy 2016, Volume 10, Issue 4, Pages 466-472 doi: 10.1007/s11708-016-0417-7

Abstract: The recent trend in light emitting diode or LED lighting applications and their claimed energy savingAs convincing as it seems, the actual energy saving capabilities of LEDs are yet to be proven scientificallyreached based on the amount of power generation in the solar cells in order to determine the energy saving

Keywords： CFL LED empirical solar lumens energy saving fluorescent

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Designs and practices of energy saving in Lhasa Railway Station

Kai CUI, Yungang PAN, Lixin SHAN,

Frontiers in Energy 2010, Volume 4, Issue 1, Pages 106-116 doi: 10.1007/s11708-010-0011-3

Abstract: The problems and corresponding solutions during the implementation of building energy saving design and

Keywords： building energy saving natural ventilation solar energy radiant floor heating

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Analysis of energy saving optimization of campus buildings based on energy simulation

Dingding TONG, Jing ZHAO

Frontiers in Energy 2013, Volume 7, Issue 3, Pages 388-398 doi: 10.1007/s11708-013-0273-7

Abstract: The comparison of the simulation results showed that the single building energy saving method of the

Keywords： campus buildings set-point temperature energy simulation energy saving optimization

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Energy saving design of the machining unit of hobbing machine tool with integrated optimization

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0694-2

Abstract: The optimization design is a practical means of energy saving and can reduce energy consumption essentiallyenergy consumption and tool displacement of the machining unit are reduced, indicating that energy saving

Keywords： energy saving design energy consumption machining unit integrated optimization machine tool

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Lifecycle carbon footprint and cost assessment for coal-to-liquid coupled with carbon capture, storage

Frontiers in Energy 2023, Volume 17, Issue 3, Pages 412-427 doi: 10.1007/s11708-023-0879-3

Abstract: storage technology has the potential to reduce CO₂ emissions, but its carbon footprint and costNext, the levelized cost of direct-coal-to-liquid is 648–1027 $/t of oil, whereas that of indirect-coal-to-liquidWhen coupled with the carbon capture utilization and storage technology, the levelized cost of direct-coal-to-liquidtransportation distance has the greatest impact on carbon footprint, while coal price and initial investment costsignificantly affect the levelized cost of coal-to-liquid.

Keywords： coal-to-liquid carbon capture utilization and storage (CCUS) carbon footprint levelized cost of liquid

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The Energy-saving Technology for Solution Polymerization of Synthetic Rubber and the Development of Eenergy-saving

Cao Xianghong,Zhang Aimin

Strategic Study of CAE 2001, Volume 3, Issue 7, Pages 59-63

Abstract:

The article summarized the energy-saving technology for solution polymerization of synthetic rubberand the development of the energy-saving rubber in Beijing Yanshan Petrochemical Co., Ltd.Technology development is also undergoing for new energy-saving synthetic rubbers such as SSBR, mid-vinl-polybutadiene

Keywords： solution polymerization synthetic rubber energy-saving energy-saving rubber

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Floating production storage and offloading systems’ cost and motion performance: A systems thinking application

Rini NISHANTH, Andrew WHYTE, V. John KURIAN

Frontiers of Engineering Management 2018, Volume 5, Issue 3, Pages 357-368 doi: 10.15302/J-FEM-2018022

Abstract: thinking gives a unique opportunity to seek a balance between FPSO technical performance(s), with whole-costfit-for-use design specification options’ that address technical-motion(s), with respective life-cycle costperiods-of-time by diagnosing the problem-at-hand; namely, assessing the antecedents of life-cycle costbeen performed to generate FPSO motion in six degrees of freedom using SESAM DeepC, while life-cycle costLCCA data has been generated to compare the cost of such different mooring options/hull conditions over

Keywords： FPSO LCCA spread/turret-mooring DeepC cost motion soft-systems

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Advancement in materials for energy-saving lighting devices

Tak H. KIM, Wentai WANG, Qin LI

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 1, Pages 13-26 doi: 10.1007/s11705-011-1168-y

Abstract: This review provides a comprehensive account of energy efficient lighting devices, their working principles and the advancement of these materials as an underpinning to the development of technology. Particular attention has been given to solid state lighting devices and their applications since they have attracted the most interest and are the most promising. Solid state lighting devices including white light emitting diodes (LEDs), organic LEDs (OLEDs), quantum-dot LEDs (QLEDs) and carbon-dot LEDs (CLEDs) are promising energy efficient lighting sources for displays and general lighting. However there is no universal solution that will give better performance and efficiency for all types of applications. LEDs are replacing traditional lamps for both general lighting and display applications, whereas OLEDs are finding their own special applications in various areas. QLEDs and CLEDs have advantages such as high quantum yields, narrow emission spectra, tunable emission spectra and good stability over OLEDs, so applications for these devices are being extended to new types of lighting sources. There is a great deal of research on these materials and their processing technologies and the commercial viability of these technologies appears strong.

Keywords： energy-saving lighting devices solid state lighting devices

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CORRECTION to: Energy-saving operation approaches for urban rail transit systems

Ziyou GAO, Lixing YANG

Frontiers of Engineering Management Pages 698-698 doi: 10.1007/s42524-019-0047-y

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Water Saving Irrigation for Rice and Its Effect on Environment

Mao Zhi

Strategic Study of CAE 2002, Volume 4, Issue 7, Pages 8-16

Abstract: resources has become an important problem for agricultural production in rice planing areas and many water savingand the experience of spread of these new irrigation regimes, the following four main kinds of water savingThe standards of field water control and potential of saving water, increasing rice yield and water productivityand attention points of application for the four regimes are presented and the causes of sustainable saving

Keywords： rice water saving irrigation irrigation regime potential of water-saving enviromental impact