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Progress in Understanding Color Maintenance in Solid-State Lighting Systems Review

Maryam Yazdan Mehr, Willem Dirk van Driel, G. Q. (Kouchi) Zhang

Engineering 2015, Volume 1, Issue 2, Pages 170-178 doi: 10.15302/J-ENG-2015035

Abstract:

In this paper, progresses of color maintenance, also known as color shift, in solid-state lightingFirst, color shift is introduced and a few examples are given from different real-life industrial conditionsencapsulants in light-emitting diode (LED)-based products are introduced and their contributions to colorshift are discussed.

Keywords： light-emitting diode (LED) color shift lumen depreciation lumen degradation

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Determination and Division of Radiative Color Gamut in Primary-Color Method for Temperature Measurement

Wang Anquan,Cheng Xiaofang,Lu Shaosong

Strategic Study of CAE 2002, Volume 4, Issue 8, Pages 54-57

Abstract:

The principle of primary-color method for temperature measurement is firstly introduced in this articleThe radiative color gamut is determined and divided into two components, the single-solution gamut and

Keywords： temperature measurement primary-color method color gamut emissivity

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Advances on the application of ocean color remote sensing engineering in China

Pan Delu,Bai Yan

Strategic Study of CAE 2008, Volume 10, Issue 9, Pages 14-24

Abstract: text-align: justify;">After many years' endeavor of research and application practice, the ocean colorWith the aim of operational service, several kinds of ocean color remote sensing monitoring systems havemajor technical advances are describing, including 1) the radiative transfer principle of the ocean colorSecondly, On the foundation of technical advances, ocean color remote sensing takes effect on marineocean color remote sensing system for Chinese Surveillance Planes, great strides will take place in

Keywords： ocean color remote sensing operational application system Chinese ocean color satellite series HY-1A

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The impact of different voltage application modes on biodegradation of chloramphenicol and shift of microbial

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1576-x

Abstract:

● Presented coupled system enhanced biodegradation of antibiotic chloramphenicol.

Keywords： Electrical stimulation Biodegradation Microbial community Chloramphenicol

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Coordinated shift control of nonsynchronizer transmission for electric vehicles based on dynamic tooth

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4, Pages 887-900 doi: 10.1007/s11465-021-0653-3

Abstract: economic performance of electric vehicles (EVs), but the coordinated control of the drive motor and gear shiftTo improve the swiftness of gear shifting, this paper proposes a coordinated shift control method basedResults show that gear shifting duration and maximum jerk are reduced under the shift control with theproposed method, which proves the effectiveness of the proposed coordinated shift control method with

Keywords： electric vehicle nonsynchronizer automated mechanical transmission (NSAMT) planetary gear coordinated shift

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Enhanced activity of bimetallic Fe-Cu catalysts supported on ceria toward water gas shift reaction: synergistic

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12, Pages 1962-1972 doi: 10.1007/s11705-023-2359-z

Abstract: Within the “hydrogen chain”, the high-temperature water gas shift reaction represents a key step to improveDespite the commercial application of the high-temperature water gas shift, novel catalysts characterized

Keywords： water gas shift iron copper bimetallic catalysts ceria hydrogen

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Investigations on color variations of Morpho rhetenor butterfly wing scales

Guanglan LIAO, Haibo ZUO, Xuan JIANG, Xuefeng YANG, Tielin SHI

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 4, Pages 394-400 doi: 10.1007/s11465-012-0347-y

Abstract: presents a single-layer of scales, the microstructures of which are responsible for the brilliant blue colorThe color varies from cyan blue to yellow green and soon afterwards returns back to cyan blue when someThis research benefits our understanding of the color variation mechanisms of the wing scales, and provides

Keywords： Morpho rhetenor microstructures color variations ambient medium

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Multi-color space threshold segmentation and self-learning k-NN algorithm for surge test EUT status

Jian HUANG,Gui-xiong LIU

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3, Pages 311-315 doi: 10.1007/s11465-016-0376-z

Abstract: A multi-color space threshold segmentation and self-learning k-nearest neighbor algorithmFirst, color space (L*a*b*, hue saturation lightness (HSL), hue saturation value (HSV)) to segment was

Keywords： multi-color space k-nearest neighbor algorithm (k-NN) self-learning surge test

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Theoretical Study of Color Gamut of Higher Plant Leaves

Cheng Xiaofang,Dong Jinyi,Fan Xueliang,Ding Jinlei

Strategic Study of CAE 2006, Volume 8, Issue 12, Pages 66-69

Abstract: chlorophylls and cartotenoids are the main pigments in leaves of the higher plants, which giveing the colorchlorophylls and cartotenoids obtained from their classical absorption spectrum and the law of additive colormixing, the theoretical color gamut of higher plant leaves is determined.

Keywords： higher plant pigment absorption spectra chromaticity coordinate color gamut

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Energy shift: decline of easy oil and restructuring of geo-politics

Oliver R. INDERWILDI,David A. KING

Frontiers in Energy 2016, Volume 10, Issue 3, Pages 260-267 doi: 10.1007/s11708-016-0416-8

Abstract: This paper critically assesses the geopolitical and geo-economic impact of novel fuel resources on both resource exporters and importers. Presently, very strong political and economic forces drive the utilisation of domestic, unconventional oil and gas recovery in the West as these enhance energy security and ease balance of payment issues. The additional capacity generated by this trend has, supported by other effects such as Saudi Arabia’s decision to maintain current production, triggered a significant reduction of oil prices. Consequently, it is now oil exporters that struggle with the balance of payment issues and often these countries base their fiscal budget completely on fossil fuel revenues. In fact, these unconventional resources help turn the tide while oil exporters are now politically significantly weakened due to the increased energy sufficiency of the West. The catch is that the extraction of unconventional types of oil has many environmental implications. So, internalising the environmental externalities have to be considered. This paper, therefore, assesses, next to geopolitics and geo-economics, the environmental implications of this trend.

Keywords： energy security climatic change geo-economics geopolitics unconventional resources macroeconomics

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Construction engineering management culture shift: Is the lowest tender offer dead?

Eric SCHEEPBOUWER, Douglas D. GRANSBERG, Carla Lopez del PUERTO

Frontiers of Engineering Management 2017, Volume 4, Issue 1, Pages 49-57 doi: 10.15302/J-FEM-2017014

Abstract: The procurement of public construction projects must walk a fine line between the corruption of state officials and collusion of contractors. The method of awarding projects to the lowest responsible tenderer was originally implemented to guard against corruption of state officials. However, an investigation of the construction industry in the Canadian province of Quebec showed that lowest-tender-offer procurement gave rise to collusion of companies tendering for the contracts. Alternatively, best-value procurement has been used for decades, but here problems arise owing to the necessity of subjective judging of measures other than price to compare bids, giving rise to time- and money-consuming protests. The paper proposes a compelling argument that the construction engineering management (CEM) culture should refocus its efforts on enhancing project cost certainty rather than merely searching for means to design a project in a manner that produces the lowest initial cost, and awards the construction to the lowest tender offer that focuses on cost savings during the project development and delivery process. The difference in the two approaches is subtle but extremely important. To make the transition, the engineering management tools must be advanced to the next level. This means that all project control tools for managing cost, schedule, and technical scope must be transformed from working in the deterministic mode to the stochastic mode, thus making the probability of completing the project within or below its official budget the primary decision criterion. To do so, CEMs must accept that there is a benefit in paying more for an alternative that increases cost certainty for the entire project. The authors of this paper hope that it will provide the grist for a more general dialog across all industry sectors where engineering management is practiced.

Keywords： cost certainty lowest responsible bid best value public procurement construction engineering management culture

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Seasonal microbial community shift in a saline sewage treatment plant

Qingmei YAN, Xuxiang ZHANG, Tong ZHANG, Herbert H P FANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 1, Pages 40-47 doi: 10.1007/s11783-011-0304-8

Abstract: treatment plant of Hong Kong (China) during June 2007 to May 2008 to analyze the microbial community shiftEnvironmental changes resulted into a seasonal microbial community shift characterized by alterationswith sludge retention time, influent total phosphorus had an inverse effect on the community structure shiftof this study may contribute to the development of new knowledge involving the microbial community shift

Keywords： sewage treatment plants polymerase chain reaction (PCR) denaturing gradient gel electrophoresis (DGGE) canonical correspondence analysis correspondence analysis

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A Discussion and Study on the Center Shift Phenomena of a Building Fire-whirl

Chen Changkun,Yao Bin,Fan Weicheng

Strategic Study of CAE 2003, Volume 5, Issue 10, Pages 63-68

Abstract: behavior of building fire-whirl is studied, and an analytical method to describe and express the center shiftmethod, the large eddy simulation (LES) technology is employed for numerical simulation of the center shift

Keywords： fire-whirl center shift large eddy simulation building

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Discussion on Long-Life Security Strategies for Railway Track Engineering

Wang Ping,Chen Rong and An Boyang

Strategic Study of CAE 2017, Volume 19, Issue 6, Pages 66-71 doi: 10.15302/J-SSCAE-2017.06.010

Abstract:

Although significant progress in the development of rail transportation infrastructure has been achieved in China, operational safety management and efficient maintenance still has numerous complicated problems to be solved, especially relating to insufficient service life. Therefore, it is particularly urgent to organize and implement a long-life security plan for railway track engineering. This paper first reviews recent achievements in the field of railway track engineering in China, and then introduces advancements in this field in developed countries. Compared to developed countries, current research into long-life safety in the field of railway track engineering in China has much room for improvement; there is the absence of a top-level design, a lack of systematic research work, and insufficient depth and breadth of research. This paper concludes by providing suggestions in terms of theoretical research, talent cultivation, intelligent information management, and performance improvement and recovery.

Keywords： railway track engineering long life safety guarantee Shift2Rail

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Anefficient quadrature demodulator for medical ultrasound imaging

Hao ZHOU,Yin-fei ZHENG

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 4, Pages 301-310 doi: 10.1631/FITEE.1400205

Abstract: In this paper, we propose an efficient quadrature demodulation method for B-mode and color flow imagingIn the in vivo color flow imaging experiments, the time of the demodulation process was 5.66 ms and 3.36

Keywords： B-mode ultrasound imaging Color flow imaging Quadrature demodulation Finite impulse response filter