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Usability perceptions and beliefs about smart thermostats by chi-square test, signal detection theory

Pedro PONCE, Therese PEFFER, Arturo MOLINA

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 522-538 doi: 10.1007/s11708-018-0562-2

Abstract: This paper proposes the use of a signal detection theory (SDT), fuzzy detection theory (FDT), and chi-square

Keywords： thermostats     perceptions     beliefs     signal detection theory (SDT)     fuzzy signal detection theory (FSDT)     chi-square    

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Architect Robert Fan Wenzhao and the design of Chung Chi campus

Daqing GU

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 4,   Pages 456-464 doi: 10.1007/s11709-010-0094-2

Abstract: This paper tells a story about Robert Fan and his design of the Chung Chi College campus in the 1950sand educators through the reconstruction of the recruitment process for a campus architect by Chung Chi

Keywords： Hong Kongβmodern architecture     China’s mainlandβmigrant architects     Robert Fan Wenzhao     Chung Chi College    

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Tessellation Rule and Properties Programming of Origami Metasheets Built with a Mixture of Rigid and Non-Rigid Square-Twist Article

Jiayao Ma, Shixi Zang, Yan Chen, Zhong You

Engineering 2022, Volume 17, Issue 10,   Pages 82-92 doi: 10.1016/j.eng.2022.02.015

Abstract: In this paper, we propose a new kind of origami metasheet by incorporating a family of different square-twist

Keywords： Origami metamaterials     Metasheets     Square-twist pattern     Non-periodic tessellation     Programmability    

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Theoretical study on the confine-stiffening effect and fractal cracking of square concrete filled steel

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1317-1336 doi: 10.1007/s11709-021-0763-3

Abstract: Based on an experimental program on tension performance of three square concrete-filled tubes (SCFT),

Keywords： square concrete filled tubes     confine-stiffening     confine-strengthening     fractal cracking     fracture    

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Existence of complete band gaps in 2D steel-water phononic crystal with square lattice

Cunfu HE, Huanyu ZHAO, Ruiju WEI, Bin WU

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 450-454 doi: 10.1007/s11465-010-0105-y

Abstract: band gaps in two-dimensional (2D) phononic crystal consisting of parallel steel rods in water with square

Keywords： phononic crystal     plane wave expansion (PWE) method     experimental study    

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Safety issues of methylglyoxal and potential scavengers

Shiming LI, Siyu LIU, Chi-Tang HO

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 3,   Pages 312-320 doi: 10.15302/J-FASE-2017174

Abstract:

The health safety of methylglyoxal (MGO) has been recognized as a key issue owing to its ultra-high reactivity toward some key biomolecules such as amino acids, proteins, DNA, sulfhydryl- and basic nitrogen-containing compounds, including amino-bearing neurotransmitters. In this review, we have summarized the endo- and exogenous sources of MGO and its accumulation inside the body due to high intake, abnormal glucose metabolism and or malfunctioning glyoxalases, and review the debate concerning the adverse functionality of MGO ingested from foods. Higher than normal concentrations of MGO in the circulatory system and tissues have been found to be closely associated with the production of advanced glycation end products (AGEs), increased oxidative stress, elevated inflammation and RAGE (AGE receptors) activity, which subsequently progresses to a pathological stage of human health, such as diabetes complications, cancer, cardiovascular and degenerative diseases. Having illustrated the mechanisms of MGO trapping in vivo, we advocate the development of efficient and efficacious MGO scavengers, either assisting or enhancing the activity of endogenous glyoxalases to facilitate MGO removal, or providing phytochemicals and functional foods containing them, or pharmaceuticals to irreversibly bind MGO and thus form MGO-complexes that are cleared from the body.

Keywords： reactive carbonyl species     advanced glycation end products     diabetes     brain health     methylglyoxal trapping agents    

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Current advances for bone regeneration based on tissue engineering strategies

Rui Shi, Yuelong Huang, Chi Ma, Chengai Wu, Wei Tian

Frontiers of Medicine 2019, Volume 13, Issue 2,   Pages 160-188 doi: 10.1007/s11684-018-0629-9

Abstract: Bone tissue engineering (BTE) is a rapidly developing strategy for repairing critical-sized bone defects to address the unmet need for bone augmentation and skeletal repair. Effective therapies for bone regeneration primarily require the coordinated combination of innovative scaffolds, seed cells, and biological factors. However, current techniques in bone tissue engineering have not yet reached valid translation into clinical applications because of several limitations, such as weaker osteogenic differentiation, inadequate vascularization of scaffolds, and inefficient growth factor delivery. Therefore, further standardized protocols and innovative measures are required to overcome these shortcomings and facilitate the clinical application of these techniques to enhance bone regeneration. Given the deficiency of comprehensive studies in the development in BTE, our review systematically introduces the new types of biomimetic and bifunctional scaffolds. We describe the cell sources, biology of seed cells, growth factors, vascular development, and the interactions of relevant molecules. Furthermore, we discuss the challenges and perspectives that may propel the direction of future clinical delivery in bone regeneration.

Keywords： bone tissue engineering     stem cell     bone scaffold     growth factor     bone regeneration    

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Day-ahead electricity price forecasting using back propagation neural networks and weighted least square

S. Surender REDDY,Chan-Mook JUNG,Ko Jun SEOG

Frontiers in Energy 2016, Volume 10, Issue 1,   Pages 105-113 doi: 10.1007/s11708-016-0393-y

Abstract: day-ahead electricity price forecasting using the artificial neural networks (ANN) and weighted least square

Keywords： day-ahead electricity markets     price forecasting     load forecasting     artificial neural networks     load serving entities    

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Generalization and application in time series forecasting of the least square support vector machine

Xiang Xiaodong

Strategic Study of CAE 2008, Volume 10, Issue 11,   Pages 89-92

Abstract: future information than historical data in time-series,the paper extends the prediction method of least squaresupport vector machine and obtains a more general prediction model of least square support vector machineextended model is more effective.Therefore it improves the value of the prediction method of least square

Keywords： least square support vector machine     generalization     time series     forecasting    

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A way to explain the thermal boundary effects on laminar convection through a square duct

Liangbi WANG, Xiaoping GAI, Kun HUANG, Yongheng ZHANG, Xiang YANG, Xiang WU

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 496-506 doi: 10.1007/s11708-010-0020-2

Abstract: of heat flux to explain the thermal boundary effects on laminar convective heat transfer through a squareFor a laminar convection through a square duct, it explains that on the wall surface, the velocity is

Keywords： convective transport     heat transfer     mass transfer     laminar flow     thermal boundary effects    

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Numerical study on natural convection in a square enclosure containing a rectangular heated cylinder

Jianhua LU, Zhaoli GUO, Zhenhua CHAI, Baochang SHI,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 373-380 doi: 10.1007/s11708-009-0078-x

Abstract: In this paper, the natural convection in a square enclosure with a rectangular heated cylinder is investigated

Keywords： natural convection     buoyant regime     heated cylinder     lattice Boltzmann    

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Simulation and analysis of grinding wheel based on Gaussian mixture model

Yulun CHI, Haolin LI

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 4,   Pages 427-432 doi: 10.1007/s11465-012-0350-3

Abstract:

This article presents an application of numerical simulation technique for the generation and analysis of the grinding wheel surface topographies. The ZETA 20 imaging and metrology microscope is employed to measure the surface topographies. The Gaussian mixture model (GMM) is used to transform the measured non-Gaussian field to Gaussian fields, and the simulated topographies are generated. Some numerical examples are used to illustrate the viability of the method. It shows that the simulated grinding wheel topographies are similar with the measured and can be effective used to study the abrasive grains and grinding mechanism.

Keywords： grinding wheel     3D topographies measurement     Gaussian mixture model     simulation    

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Performance and mechanism for cadmium and lead adsorption from water and soil by corn straw biochar

Tong Chi,Jiane Zuo,Fenglin Liu

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 2, doi: 10.1007/s11783-017-0921-y

Abstract: Corn straw biochar prepared under 400 °C was the best Cd and Pb adsorption capacity Maximum adsorption capacity of Cd and Pb were 43.48 and 22.73 mg·g , respectively The dominant mechanism of Cd and Pb adsorption was precipitation Biochar could reduce the bioavailability of heavy metals when mixed with soil Cadmium (Cd) and lead (Pb) in water and soil could be adsorbed by biochar produced from corn straw. Biochar pyrolyzed under 400°C for 2 h could reach the ideal removal efficiencies (99.24% and 98.62% for Cd and Pb, respectively) from water with the biochar dosage of 20 g·L and initial concentration of 20 mg·L . The pH value of 4–7 was the optimal range for adsorption reaction. The adsorption mechanism was discussed on the basis of a range of characterizations, including X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FTIR) and Raman analysis; it was concluded as surface complexation with active sorption sites (-OH, -COO-), coordination with π electrons (C= C, C= O) and precipitation with inorganic anions (OH , CO , SO ) for both Cd and Pb. The sorption isotherms fit Langmuir model rather than Freundlich model, and the saturated sorption capacities for Cd and Pb were 38.91 mg·g and 28.99 mg·g , respectively. When mixed with soil, biochar could effectively increase alkalinity and reduce bioavailability of heavy metals. Thus, biochar derived from corn straw would be a green material for both removal of heavy metals and amelioration of soil.

Keywords： Corn straw     Biochar     Heavy metals     Sorption isotherm     Bioavailability    

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Comparative lipidomic analysis of

Bin QIAO, Hong-Chi TIAN, Ying-Jin YUAN

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 461-469 doi: 10.1007/s11705-012-1223-3

Abstract: Variations in the composition and level of phospholipids (PLs) in yeast cells during industrial ethanol fermentation processes were analyzed. A comparative lipidomic method was used to investigate the changes in total cellular PLs during continuous and fed-batch/batch processes. The phospholipid metabolism in yeast changed during both processes, mainly due to the presence of long-chain poly unsaturated fatty acids (PUFA) that contained phosphatidyglycerol (PG), phosphatidylethanolamine (PE) and phosphatidylserine (PS). The complexity of the media affected the growth of the yeast and the membrane composition. Yeast incorporated lots of exogenous saturated and PUFAs from the feedstock during the fermentations. During the continuous fermentation, there was an increase in PLs with shorter chains as the fermentation progressed and early in process there were more long-chains. During the fed-batch/batch process, the PG species increased as the fermentation progressed. This is probably due to an inositol deficiency in the earlier part of the fermentation.

Keywords： lipidomics     systems biology     phospholipids     stirred-tank     saccharomyces cerevisiae     biorefinery engineering    

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Modulatory effect on dyslipidemia and anti-atherosclerotic function of in newly diagnosed type 2 diabetes patients

SUN Mingxiao, WANG Yao, CHI Jiamin

Frontiers of Medicine 2008, Volume 2, Issue 2,   Pages 174-177 doi: 10.1007/s11684-008-0032-z

Abstract: The modulatory effect of on dyslipidemia and the preventive effect on atherosclerosis in newly diagnosed type 2 diabetic patients were studied. A prospective clinical trial was conducted to test the effectiveness of in selected 201 newly diagnosed type 2 diabetic patients. All patients were randomly divided into two groups: 108 with therapy and 93 without therapy. The mean follow-up period was 22 months. The blood glucose and blood pressure of all patients were under control. Serum levels of total cholesterol (TC), triglyceride (TG), and low density lipoprotein cholesterol (LDL-C) were significantly lowered and their decreased percentages were significantly higher in therapy group ( < 0.05). The number of patients with arteria iliaca intima thickening was significantly lower in group of therapy ( = 0.024). With stepwise multivariate logistic regression analysis, the decreased percentage of TG was significantly and independently related with the decreased number of patients with arteria iliaca intima thickening ( = 0.005). The study demonstrates that therapy is effective on modulating dyslipidemia in newly diagnosed type 2 diabetes patients, and may be related with the improvement of early atherosclerosis.
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Title Author Date Type Operation

Usability perceptions and beliefs about smart thermostats by chi-square test, signal detection theory

Pedro PONCE, Therese PEFFER, Arturo MOLINA

Journal Article

Architect Robert Fan Wenzhao and the design of Chung Chi campus

Daqing GU

Journal Article

Tessellation Rule and Properties Programming of Origami Metasheets Built with a Mixture of Rigid and Non-Rigid Square-Twist

Jiayao Ma, Shixi Zang, Yan Chen, Zhong You

Journal Article

Theoretical study on the confine-stiffening effect and fractal cracking of square concrete filled steel

Journal Article

Existence of complete band gaps in 2D steel-water phononic crystal with square lattice

Cunfu HE, Huanyu ZHAO, Ruiju WEI, Bin WU

Journal Article

Safety issues of methylglyoxal and potential scavengers

Shiming LI, Siyu LIU, Chi-Tang HO

Journal Article

Current advances for bone regeneration based on tissue engineering strategies

Rui Shi, Yuelong Huang, Chi Ma, Chengai Wu, Wei Tian

Journal Article

Day-ahead electricity price forecasting using back propagation neural networks and weighted least square

S. Surender REDDY,Chan-Mook JUNG,Ko Jun SEOG

Journal Article

Generalization and application in time series forecasting of the least square support vector machine

Xiang Xiaodong

Journal Article

A way to explain the thermal boundary effects on laminar convection through a square duct

Liangbi WANG, Xiaoping GAI, Kun HUANG, Yongheng ZHANG, Xiang YANG, Xiang WU

Journal Article

Numerical study on natural convection in a square enclosure containing a rectangular heated cylinder

Jianhua LU, Zhaoli GUO, Zhenhua CHAI, Baochang SHI,

Journal Article

Simulation and analysis of grinding wheel based on Gaussian mixture model

Yulun CHI, Haolin LI

Journal Article

Performance and mechanism for cadmium and lead adsorption from water and soil by corn straw biochar

Tong Chi,Jiane Zuo,Fenglin Liu

Journal Article

Comparative lipidomic analysis of

Bin QIAO, Hong-Chi TIAN, Ying-Jin YUAN

Journal Article

Modulatory effect on dyslipidemia and anti-atherosclerotic function of in newly diagnosed type 2 diabetes patients

SUN Mingxiao, WANG Yao, CHI Jiamin

Journal Article