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Impact of dimethyl ether on engine seal materials

WU Ning, ZHANG Wugao, HUANG Zhen

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 279-284 doi: 10.1007/s11708-008-0042-1

Abstract: Common polyvinylchloride (PVC) dissolved completely in DME, which has almost no impact on vulcanizing

Keywords： impact     Common polyvinylchloride     different     constitution     ethylene propylene    

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Advances in some common chronic liver diseases

Ke-Qin Hu

Frontiers of Medicine 2014, Volume 8, Issue 2,   Pages 127-128 doi: 10.1007/s11684-014-0341-3

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Top-geoherbs of traditional Chinese medicine: common trait, quality characteristics and formation

Luqi Huang, Lanping Guo, Chaoyi Ma, Wei Gao, Qingjun Yuan

Frontiers of Medicine 2011, Volume 5, Issue 2,   Pages 185-194 doi: 10.1007/s11684-011-0141-y

Abstract: have a thorough knowledge of top-geoherbs, this article reviews the concept, historical evolution, common

Keywords： top-geoherbs     common trait     quality characteristics     formation     biological mechanism    

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AGCD: a robust periodicity analysis method based on approximate greatest common divisor

Juan YU,Pei-zhong LU

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 6,   Pages 466-473 doi: 10.1631/FITEE.1400345

Abstract: Periodicity is one of the most common phenomena in the physical world.To solve the problem, a novel method based on the approximate greatest common divisor (AGCD) is proposed

Keywords： Periodicity analysis     Period detection     Sparsity     Noise     Approximate greatest common divisor (AGCD)    

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Influence of cetane number improver on performance and emissions of a common-rail diesel engine fueled

Wu YU, Gen CHEN, Zuohua HUANG

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 412-418 doi: 10.1007/s11708-011-0163-9

Abstract: and emissions, including particulate number concentration and size distribution, of a turbocharged, common-rail

Keywords： biodiesel     methanol     common-rail (CR) diesel engine     cetane number (CN) improver    

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Optimization of urban bus operation frequency under common route condition with rail transit

Bin YU, Sijia REN, Enze WU, Yifan ZHOU, Yunpeng WANG

Frontiers of Engineering Management 2017, Volume 4, Issue 4,   Pages 451-462 doi: 10.15302/J-FEM-2017036

Abstract: The overlap of bus and rail transit routes is common in China.Given that buses and rail transits are becoming increasingly common, this paper aims to present the overlapped

Keywords： common route     bus operation frequency     bi-level model     Agent simulation     SCE-UA algorithm    

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Effects of nano-silicon and common silicon on lead uptake and translocation in two rice cultivars

Jianguo LIU,Hui CAI,Congcong MEI,Mingxin WANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 905-911 doi: 10.1007/s11783-015-0786-x

Abstract: The current study investigated the effects of nano-silicon (Si) and common Si on lead (Pb) toxicity,Under soil Pb treatments of 500 and 1000 mg·kg , the biomasses of plants supplied with common Si andCompared to the control, Pb concentrations in rice shoots supplied with common Si and nano-Si were reducedPb concentrations in rice grains treated with common Si and nano-Si decreased by 21.3%–40.9% and 38.6%The results of the study indicate that nano-Si is more efficient than common Si in ameliorating the toxic

Keywords： silicon (Si)     lead (Pb)     rice (Oryza sativa L.)     toxicity     accumulation    

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Dibutyl phthalate adsorption characteristics using three common substrates in aqueous solutions

Tiancui Li, Yaocheng Fan, Deshou Cun, Yanran Dai, Wei Liang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 2, doi: 10.1007/s11783-019-1205-5

Abstract: • DBP adsorption was tested using three kinds of substrates in constructed wetlands. • The DBP adsorption capacity followed the order: steel slag>gravel>shell sand. • High temperatures increased the DBP adsorption capacity in the substrates. • DOM consistently inhibited the DBP adsorption onto steel slag and gravel. In recent years, the presence and adverse impacts of phthalic acid esters in aquatic environments have gained increasing attention. This work investigated the adsorption behavior of a typical phthalic acid ester, dibutyl phthalate (DBP), onto steel slag, gravel, and shell sand (substrates commonly used in constructed wetlands). The influence of dissolved organic matter (DOM) on DBP adsorption was investigated using humic acid as a proxy for DOM. The results demonstrated that the adsorption of DBP to three substrates reached equilibrium within 96 h, and the adsorption kinetics were well fitted by a pseudo-second-order model. The DBP adsorption isotherms were best fitted by the Langmuir adsorption model. The DBP adsorption capacity decreased in the order of steel slag>gravel>shell sand, with values of 656 mg/kg, 598 mg/kg, and 6.62 mg/kg at 25°C, respectively. DBP adsorbed to the surface of all substrates in a monolayer via an endothermic process. The DBP adsorption capacities of steel slag and gravel decreased as the DOM content increased. The DBP adsorption mechanisms to steel slag and gravel mainly involved the surface coordination of DBP with –OH or –COOH groups and electrostatic interactions. The results of this work suggest that steel slag and gravel may be ideal substrates for use in constructed wetlands to treat wastewater polluted with DBP.

Keywords： Adsorption     Dibutyl phthalate (DBP)     Dissolved organic matter     Substrates    

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Agriculture Green Development in China and the UK: common objectives and converging policy pathways

Yuelai LU, David NORSE, David POWLSON

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 1,   Pages 98-105 doi: 10.15302/J-FASE-2019298

Abstract: Second, to explore the policy objectives they have in common.However, their strategies and policies for sustainable intensification and green development have much in common

Keywords： Agriculture Green Development     China     policy     UK    

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Combustion and emission characteristics of a turbo-charged common rail diesel engine fuelled with diesel-biodiesel-DEE

Ni ZHANG, Zuohua HUANG, Xiangang WANG, Bin ZHENG

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 104-114 doi: 10.1007/s11708-011-0138-x

Abstract: The combustion and emission characteristics of a turbo-charged, common rail diesel engine fuelled with

Keywords： Combustion     particulate emissions     diesel-biodiesel-DEE blend     diesel engine    

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Responding to Global Changes as a Community of Common Destiny Views & Comments

Xiangwan Du

Engineering 2016, Volume 2, Issue 1,   Pages 52-54 doi: 10.1016/J.ENG.2016.01.016

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Suitability of common models to estimate hydrology and diffuse water pollution in North-eastern German

Muhammad WASEEM, Frauke KACHHOLZ, Jens TRÄNCKNER

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 4,   Pages 420-431 doi: 10.15302/J-FASE-2018243

Abstract:

Various process-based models are extensively being used to analyze and forecast catchment hydrology and water quality. However, it is always important to select the appropriate hydrological and water quality modeling tools to predict and analyze the watershed and also consider their strengths and weaknesses. Different factors such as data availability, hydrological, hydraulic, and water quality processes and their desired level of complexity are crucial for selecting a plausible modeling tool. This review is focused on suitable model selection with a focus on desired hydrological, hydraulic and water quality processes (nitrogen fate and transport in surface, subsurface and groundwater bodies) by keeping in view the typical lowland catchments with intensive agricultural land use, higher groundwater tables, and decreased retention times due to the provision of artificial drainage. In this study, four different physically based, partially and fully distributed integrated water modeling tools, SWAT (soil and water assessment tool), SWIM (soil and water integrated model), HSPF (hydrological simulation program– FORTRAN) and a combination of tools from DHI (MIKE SHE coupled with MIKE 11 and ECO Lab), have been reviewed particularly for the Tollense River catchment located in North-eastern Germany. DHI combined tools and SWAT were more suitable for simulating the desired hydrological processes, but in the case of river hydraulics and water quality, the DHI family of tools has an edge due to their integrated coupling between MIKE SHE, MIKE 11 and ECO Lab. In case of SWAT, it needs to be coupled with another tool to model the hydraulics in the Tollense River as SWAT does not include backwater effects and provision of control structures. However, both SWAT and DHI tools are more data demanding in comparison to SWIM and HSPF. For studying nitrogen fate and transport in unsaturated, saturated, and river zone, HSPF was a better model to simulate the desired nitrogen transformation and transport processes. However, for nitrogen dynamics and transformations in shallow streams, ECO Lab had an edge due its flexibility for inclusion of user-desired water quality parameters and processes. In the case of SWIM, most of the input data and governing equations are similar to SWAT but it does not include water bodies (ponds and lakes), wetlands and drainage systems. In this review, only the processes that were needed to simulate the Tollense River catchment were considered, however the resulted model selection criteria can be generalized to other lowland catchments in Australia, North-western Europe and North America with similar complexity.

Keywords： diffuse pollution     ECO Lab     HSPF     lowland catchment     MIKE 11     MIKE SHE     modeling tools     SWAT     SWIM     Tollense River     water quality    

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Overcoming the challenges of conducting translational research in cell therapy

Sowmya Viswanathan, Armand Keating

Frontiers of Medicine 2011, Volume 5, Issue 4,   Pages 333-335 doi: 10.1007/s11684-011-0166-2

Abstract: Cell therapy holds promise in addressing a number of unmet medical needs but despite its considerable impetus, faces numerous challenges including support for translational research in this area. Here, we examine the challenges confronting cell therapy research including the limited funding available for translational research partly due to the uncompetitive nature of required validation studies in cell therapy that of necessity are not hypothesis-driven. Other issues include lack of standardization of definitions of cell products, uncertainty regarding optimum preclinical animal models, duplication of efforts to secure regulatory approval and a lack of uniformity of nomenclature for some cell products. Nonetheless, several initiatives to address all of these issues are underway.

Keywords： stem cells     clinical trials     funding     animal models     standardization     common definitions    

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Influence of motor cable on common-mode currents in an inverter-fed motor drive system None

Peng-kang XIE, Jia-zheng LU, Guo-zhu CHEN, Heng-lin CHEN

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 2,   Pages 273-284 doi: 10.1631/FITEE.1601518

Abstract: However, high-frequency switching of power devices will cause common-mode (CM) voltages during operation

Keywords： Common-mode currents     Cable model     Motor drive system     Parameter extraction    

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Research on architecture of engineering management informatization

Liu Renhuai,Sun Kai

Strategic Study of CAE 2011, Volume 13, Issue 8,   Pages 4-9

Abstract: This paper describes the content of SARI and its application to EMI.SARI is a common architecture with

Keywords： engineering management     informatization     organization cooperation     common platform    

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Title Author Date Type Operation

Impact of dimethyl ether on engine seal materials

WU Ning, ZHANG Wugao, HUANG Zhen

Journal Article

Advances in some common chronic liver diseases

Ke-Qin Hu

Journal Article

Top-geoherbs of traditional Chinese medicine: common trait, quality characteristics and formation

Luqi Huang, Lanping Guo, Chaoyi Ma, Wei Gao, Qingjun Yuan

Journal Article

AGCD: a robust periodicity analysis method based on approximate greatest common divisor

Juan YU,Pei-zhong LU

Journal Article

Influence of cetane number improver on performance and emissions of a common-rail diesel engine fueled

Wu YU, Gen CHEN, Zuohua HUANG

Journal Article

Optimization of urban bus operation frequency under common route condition with rail transit

Bin YU, Sijia REN, Enze WU, Yifan ZHOU, Yunpeng WANG

Journal Article

Effects of nano-silicon and common silicon on lead uptake and translocation in two rice cultivars

Jianguo LIU,Hui CAI,Congcong MEI,Mingxin WANG

Journal Article

Dibutyl phthalate adsorption characteristics using three common substrates in aqueous solutions

Tiancui Li, Yaocheng Fan, Deshou Cun, Yanran Dai, Wei Liang

Journal Article

Agriculture Green Development in China and the UK: common objectives and converging policy pathways

Yuelai LU, David NORSE, David POWLSON

Journal Article

Combustion and emission characteristics of a turbo-charged common rail diesel engine fuelled with diesel-biodiesel-DEE

Ni ZHANG, Zuohua HUANG, Xiangang WANG, Bin ZHENG

Journal Article

Responding to Global Changes as a Community of Common Destiny

Xiangwan Du

Journal Article

Suitability of common models to estimate hydrology and diffuse water pollution in North-eastern German

Muhammad WASEEM, Frauke KACHHOLZ, Jens TRÄNCKNER

Journal Article

Overcoming the challenges of conducting translational research in cell therapy

Sowmya Viswanathan, Armand Keating

Journal Article

Influence of motor cable on common-mode currents in an inverter-fed motor drive system

Peng-kang XIE, Jia-zheng LU, Guo-zhu CHEN, Heng-lin CHEN

Journal Article

Research on architecture of engineering management informatization

Liu Renhuai,Sun Kai

Journal Article