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Iteration framework for solving mixed lubrication computation problems

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 635-648 doi: 10.1007/s11465-021-0632-8

Abstract: A discretization formula of the Reynolds equation, which is based on the Crank–Nicolson method, is proposed

Keywords： mixed lubrication     discretization formula     relative error     Reynolds equation     asperity    

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Experimental Demonstrations and Analysis for Continuous Rolling Tension Formula

Zhang Jinzhi,Zhao Houxin,Wang Zhe,Wang Baoluo

Strategic Study of CAE 2008, Volume 10, Issue 4,   Pages 73-77

Abstract:

The continuous rolling tension formula is the core of the theory andIn 1960s, the author introduced continuous rolling differential formula, the dynamic tension formulafor multi-stands and the stable state tension formula.All these formuls have been discussed in detail.The Japanese derived the tension formula in theory inHerein, the tension formula is demonstrated by employing the data of the experimental results made by

Keywords： tension formula     experimental demonstrations     analytic root     deterministic    

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The Method and Formula for Stability Factor of Slope with State of Soil Original Stress

Wang Guoti

Strategic Study of CAE 2006, Volume 8, Issue 12,   Pages 80-84

Abstract: In this paper, in consideration of the state of soil original stress, the calculating formula for safetyThere are many examples of safety factor using the formula of this paper, which have been calculatedThe formula have showed their clear concept, simple calculation and dependable result.

Keywords： ateral stress coefficient K0     state of original stress     formula of safety factor of stability    

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Study on rigid-flexible coupling dynamics of hub-plate system

ZHAO Feiyun, XIE Yongcheng, ZHANG Ming, HE Yinbiao

Frontiers in Energy 2007, Volume 1, Issue 2,   Pages 181-188 doi: 10.1007/s11708-007-0023-9

Abstract: investigated by using Jourdain s variation principle in which the finite element method (FEM) is used as discretization

Keywords： discretization     erroneous     Furthermore     Different     Conservation    

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Lingguizhugan Decoction, a Chinese herbal formula, improves insulin resistance in overweight/obese subjects

Frontiers of Medicine 2022, Volume 16, Issue 5,   Pages 745-759 doi: 10.1007/s11684-021-0880-3

Abstract: Lingguizhugan Decoction (LGZG) has been investigated in basic studies, with satisfactory effects on insulin resistance in non-alcoholic fatty liver disease (NAFLD). This translational approach aimed to explore the effect and underlying mechanism of LGZG in clinical setting. A randomized, double-blinded, placebo-controlled trial was performed. A total of 243 eligible participants with NAFLD were equally allocated to receive LGZG (two groups: standard dose and low dose) or placebo for 12 weeks on the basis of lifestyle modifications. The primary efficacy variable was homeostasis model assessment of insulin resistance (HOMA-IR). Analyses were performed in two populations in accordance with body mass index (BMI; overweight/obese, BMI ≥ 24 kg/m2; lean, BMI < 24 kg/m 2). For overweight/obese participants, low-dose LGZG significantly decreased their HOMA-IR level compared with placebo (−0.19 (1.47) versus 0.08 (1.99),P = 0.038). For lean subjects, neither dose of LGZG showed a superior effect compared with placebo. Methylated DNA immunoprecipitation sequencing and real-time qPCR found that the DNA N6-methyladenine modification levels of protein phosphatase 1 regulatory subunit 3A (PPP1R3A) and autophagy related 3 (ATG3) significantly increased after LGZG intervention in overweight/obese population. Low-dose LGZG effectively improved insulin resistance in overweight/obese subjects with NAFLD. The underlying mechanism may be related to the regulation of DNA N6-methyladenine modification of PPP1R3A and ATG3. Lean subjects may not be a targeted population for LGZG.

Keywords： insulin resistance     non-alcoholic fatty liver disease     Chinese herbal medicine     randomized controlled trial     DNA N6-methyladenine modification    

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Computational fluid dynamic analysis of flutter characteristics for self-anchored suspension bridges

ZHU Zhiwen, WANG Zhaoxiang, CHEN Zhengqing

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 3,   Pages 267-273 doi: 10.1007/s11709-008-0034-6

Abstract: Lagrangian-Eulerian (ALE) description of the flow around the moving rigid box girder combined with the finite volume discretization

Keywords： discretization     computational     description     Self-anchored Suspension     simulation applicable    

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A prediction formula of water temperature released from the multi-level stop-log gate intake of hydropower

Gao Xueping,Chen Hong,Song Huifang

Strategic Study of CAE 2011, Volume 13, Issue 12,   Pages 63-67

Abstract: And a simple and practical formula of water temperature released is need.A prediction formula of water temperature released is put forward based on the experimental data.The formula is validated by the experimental results of water temperature released from the intakes of

Keywords： thermally stratified reservoir     hydropower station intake     stop-log gate     formula of water temperature    

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Recovery of NH

Yang ZHANG,Zifu LI,Ibrahim B MAHMOOD

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 6,   Pages 825-834 doi: 10.1007/s11783-014-0682-9

Abstract: ion, a main pollutant in aquatic systems, not only causes eutrophication in rivers and lakes but also contributes to fish toxicity. In this study, an eco-friendly biosorbent was prepared from the pyrolysis of corn cob, a low-cost agricultural residue. The biochars produced by pyrolysis of corn cob at 400°C and 600°C were characterized and investigated as adsorbents for from an aqueous solution. The biochars were characterized through elemental analysis, Brunauer–Emmett–Teller–N surface area analysis, scanning electron microscopy, and Fourier transform infrared spectroscopy. Batch experiments were conducted to investigate the adsorption process of the corn cob biochars. The Freundlich isotherm model fitted the adsorption process better than the Langmuir and Dubinin–Radushkevich isotherm models. Moreover, the adsorption process was well described by a pseudo-second-order kinetic model. Results of thermodynamic analysis suggested that adsorption was a nonspontaneous exothermic process. Biochars produced at 400°C had higher adsorption capacity than those produced at 600°C because of the presence of polar functional groups with higher acidity. The exhausted biochar can be potentially used as soil conditioner, which can provide 6.37 kg (N fertilizer per ton of biochar).

Keywords： corn cob     biochar     isotherm model     kinetic model     formula>   

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Multimodal Identification by Transcriptomics and Multiscale Bioassays of Active Components in Xuanfeibaidu Formula Article

Lu Zhao, Hao Liu, Yingchao Wang, Shufang Wang, Dejin Xun, Yi Wang, Yiyu Cheng, Boli Zhang

Engineering 2023, Volume 20, Issue 1,   Pages 63-76 doi: 10.1016/j.eng.2021.09.007

Abstract:

Xuanfeibaidu Formula (XFBD) is a Chinese medicine used in the clinical treatment of coronavirus disease

Keywords： Xuanfeibaidu Formula     Multimodal identification     Inflammation     Macrophage activation     Macrophage migration    

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Explicit finite element method for calculation and analysis to the elasto-plastic dynamic response of fluid-saturated porous media

LI Liang, DU Xiuli, LI Liyun, ZHAO Chenggang

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4,   Pages 436-442 doi: 10.1007/s11709-007-0059-2

Abstract: Then, the space discretization of these equations is performed to get their Galerkin formula.At last, the time discretization of this formula is carried out with the integral method which consistsdifference method and Newmark constant average acceleration method to get the explicit time integral formulaOn the basis of the integral formula mentioned above, the time-domain explicit finite element method

Keywords： discretization     computational     calculation     integral     requirement    

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Development of a seismic design method based on response spectra for building structures

ZHOU Xiyuan, YU Ruifang

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 129-141 doi: 10.1007/s11709-007-0014-2

Abstract: superposition method (in real form) for the non-classically damped linear system and the general calculation formula

Keywords： generalization     classical damping     mode-superposition response     calculation formula     damping theory    

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Flexural-torsional buckling behavior of aluminum alloy beams

Xiaonong GUO,Zhe XIONG,Zuyan SHEN

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 163-175 doi: 10.1007/s11709-014-0272-8

Abstract: This paper presents an investigation on the flexural-torsional buckling behavior of aluminum alloy beams (AAB). First, based on the tests of 14 aluminum alloy beams under concentrated loads, the failure pattern, load-deformation curves, bearing capacity and flexural-torsional buckling factor are studied. It is found that all the beam specimens collapsed in the flexural-torsional buckling with excessive deformation pattern. Moreover, the span, loading location and slenderness ratio influence the flexural-torsional buckling capacity of beams significantly. Secondly, besides the experiments, a finite element method (FEM) analysis on the flexural-torsional buckling behavior of AAB is also conducted. The main parameters in the FEM analysis are initial imperfection, material property, cross-section and loading scheme. According to the analytical results, it is indicated that the FEM is reasonable to capture mechanical behavior of AAB. Finally, on the basis of the experimental and analytical results, theoretical formulae to estimate the flexural-torsional buckling capacity of AAB are proposed, which could improve the application of present codes for AAB.

Keywords： flexural-torsional buckling     aluminum alloy beams (AAB)     finite element method (FEM)     theoretical formula    

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Inverse kinematics analysis and numerical control experiment for PRS-XY style hybrid machining tool

JIA Dongyong, ZHANG Jianmin, SUN Hongchang, NIU Zhigang

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 2,   Pages 235-238 doi: 10.1007/s11465-007-0041-7

Abstract: axes (PRS-) style hybrid machining tool and educed the five axes linkage inverse kinematics transform formulaThe results of the experiments prove that the inverse kinematics transform formula is correct.

Keywords： numerical     accordance     transform formula     virtual     slider-    

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spp., foodborne pathogens threatening neonates and infants

Qiming CHEN, Yang ZHU, Zhen QIN, Yongjun QIU, Liming ZHAO

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 3,   Pages 330-339 doi: 10.15302/J-FASE-2018208

Abstract: Cronobacter infection are epidemiologically proven to be associated with contaminated powdered infant formula

Keywords： desiccation resistance     pathogen control     pathogen detection     powdered infant formula    

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Enhancing compressive strength and durability of self-compacting concrete modified with controlled-burnt sugarcane bagasse ash-blended cements

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 2,   Pages 161-174 doi: 10.1007/s11709-021-0796-7

Abstract: Finally, a hyperbolic formula for interpolating the compressive strength of the SBA-based SCC was proposed

Keywords： ash     self-compacting concrete     compressive strength     sulfate resistance     water absorption     strength formula    

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Title Author Date Type Operation

Iteration framework for solving mixed lubrication computation problems

Journal Article

Experimental Demonstrations and Analysis for Continuous Rolling Tension Formula

Zhang Jinzhi,Zhao Houxin,Wang Zhe,Wang Baoluo

Journal Article

The Method and Formula for Stability Factor of Slope with State of Soil Original Stress

Wang Guoti

Journal Article

Study on rigid-flexible coupling dynamics of hub-plate system

ZHAO Feiyun, XIE Yongcheng, ZHANG Ming, HE Yinbiao

Journal Article

Lingguizhugan Decoction, a Chinese herbal formula, improves insulin resistance in overweight/obese subjects

Journal Article

Computational fluid dynamic analysis of flutter characteristics for self-anchored suspension bridges

ZHU Zhiwen, WANG Zhaoxiang, CHEN Zhengqing

Journal Article

A prediction formula of water temperature released from the multi-level stop-log gate intake of hydropower

Gao Xueping,Chen Hong,Song Huifang

Journal Article

Recovery of NH

Yang ZHANG,Zifu LI,Ibrahim B MAHMOOD

Journal Article

Multimodal Identification by Transcriptomics and Multiscale Bioassays of Active Components in Xuanfeibaidu Formula

Lu Zhao, Hao Liu, Yingchao Wang, Shufang Wang, Dejin Xun, Yi Wang, Yiyu Cheng, Boli Zhang

Journal Article

Explicit finite element method for calculation and analysis to the elasto-plastic dynamic response of fluid-saturated porous media

LI Liang, DU Xiuli, LI Liyun, ZHAO Chenggang

Journal Article

Development of a seismic design method based on response spectra for building structures

ZHOU Xiyuan, YU Ruifang

Journal Article

Flexural-torsional buckling behavior of aluminum alloy beams

Xiaonong GUO,Zhe XIONG,Zuyan SHEN

Journal Article

Inverse kinematics analysis and numerical control experiment for PRS-XY style hybrid machining tool

JIA Dongyong, ZHANG Jianmin, SUN Hongchang, NIU Zhigang

Journal Article

spp., foodborne pathogens threatening neonates and infants

Qiming CHEN, Yang ZHU, Zhen QIN, Yongjun QIU, Liming ZHAO

Journal Article

Enhancing compressive strength and durability of self-compacting concrete modified with controlled-burnt sugarcane bagasse ash-blended cements

Journal Article