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Research on key technology of thin seam plough complete equipment

Song Qiushuang

Strategic Study of CAE 2011, Volume 13, Issue 11,   Pages 33-38

Abstract:

According to the worldwide problem of thin-seam security and economic exploitation, this paper analyzes the thin-seam mine resource distribution and the present situation of coal mining technology, proposes the technical matters of China's coal plow complete equipment system, gives some technical solutions through analyzing and researching on key technology of complete equipment, and provides technical support for automatic system of plough.

Keywords： complete plant of plough     directional and quantitative pushing     heterogeneous geological     selfadaptation    

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Improved directional-distance filter

JIN Lianghai, LI Dehua

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 2,   Pages 205-211 doi: 10.1007/s11465-008-0025-2

Abstract: By combining the weighting function and the traditional directional-distance filter (DDF) in a novelway, a new vector filter - the adaptive distance-weighted directional-distance filter (ADWDDF) - is presented

Keywords： information     distance-weighted directional-distance     ADWDDF     traditional DDF     spatial-distance weighting    

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A Bayesian modeling approach to bi-directional pedestrian flows in carnival events

S. Q. XIE, S. C. WONG, William H. K. LAM

Frontiers of Engineering Management 2017, Volume 4, Issue 4,   Pages 483-489 doi: 10.15302/J-FEM-2017023

Abstract: Bi-directional pedestrian flows are common at crosswalks, footpaths, and shopping areas.

Keywords： pedestrian flow model     bi-directional interactions     empirical studies     Bayesian inference    

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Acoustic characteristics of bi-directional turbines for thermoacoustic generators

Dongdong LIU, Yanyan CHEN, Wei DAI, Ercang LUO

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 1027-1036 doi: 10.1007/s11708-020-0702-3

Abstract: Bi-directional turbines combined with rotary motors may be a feasible option for developing high powerA general expression for the acoustic characteristics of the bi-directional turbine was proposed basedThe good fit of the correlations shows that these characteristics are valid for describing the bi-directional

Keywords： thermoacoustic power generator     acoustic characteristics     bi-directional impulse turbine     energy conversion    

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Pushing Mathematical Limits, a Neural Network Learns Fluid Flow

Dana Mackenzie

Engineering 2021, Volume 7, Issue 5,   Pages 550-551 doi: 10.1016/j.eng.2021.03.009

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A computational toolbox for molecular property prediction based on quantum mechanics and quantitative

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 2,   Pages 152-167 doi: 10.1007/s11705-021-2060-z

Abstract: In this paper, a framework combining quantum mechanics and quantitative structure-property relationshippseudo experimental data), which are stored in a database and further provided for the developments of quantitative

Keywords： molecular property     quantum mechanics     quantitative structure-property relationship     heat of reaction    

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Pushing the Data Capacity Limit with Lasers on Silicon

Peter Weiss

Engineering 2019, Volume 5, Issue 5,   Pages 824-825 doi: 10.1016/j.eng.2019.08.011

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Saddle pushing analysis in suspension bridge construction

Qi Dongchun,Wang Changjiang,Shen Ruli,Lin Qia

Strategic Study of CAE 2010, Volume 12, Issue 7,   Pages 68-73

Abstract:

Some problems existing in saddle pushing, such as the pre-displacementstages and pushing values, are discussed.Combining with saddle pushing analysis of Baling River Bridge, the conclusion that the excess pushingscheme can increase the interval of each pushing and reduce pushing times is obtained.The cases following saddle pushing are the unfavorable conditions for main cables anti-sliding checking

Keywords： suspension bridge     saddle pushing     saddle equilibrium condition     tower top displacement     tower bottom    

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Erratum to: Using pyrosequencing and quantitative PCR to analyze microbial communities

Husen ZHANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 488-488 doi: 10.1007/s11783-011-0342-2

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Influence of the intensity and loading time of direct current electric field on the directional migration

Xiaoyu Wang,Yuxuan Gao,Haigang Shi,Na Liu,Wei Zhang,Hongbo Li

Frontiers of Medicine 2016, Volume 10, Issue 3,   Pages 286-296 doi: 10.1007/s11684-016-0456-9

Abstract:

Exogenic electric fields can effectively accelerate bone healing and remodeling through the enhanced migration of bone marrow mesenchymal stem cells (BMSCs) toward the injured area. This study aimed to determine the following: (1) the direction of rat BMSC (rBMSC) migration upon exposure to a direct current electric field (DCEF), (2) the optimal DCEF intensity and duration, and (3) the possible regulatory role of SDF-1/CXCR4 axis in rBMSC migration as induced by DCEF. Results showed that rBMSCs migrated to the positive electrode of the DCEF, and that the DCEF of 200 mV/mm for 4 h was found to be optimal in enhancing rBMSC migration. This DCEF strength and duration also upregulated the expression of osteoblastic genes, including ALP and OCN, and upregulated the expression of ALP and Runx2 proteins. Moreover, when CXCR4 was inhibited, rBMSC migration due to DCEF was partially blocked. These findings indicated that DCEF can effectively induce rBMSC migration. A DCEF of 200 mV/mm for 4 h was recommended because of its ability to promote rBMSC migration, proliferation, and osteogenic differentiation. The SDF-1/CXCR4 signaling pathway may play an important role in regulating the DCEF-induced migration of rBMSCs.

Keywords： DCEF     migration     osteogenesis differentiation     rBMSCs     SDF-1/CXCR-4    

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Estimation of photolysis half-lives of dyes in a continuous-flow system with the aid of quantitative

Davoud BEIKNEJAD,Mohammad Javad CHAICHI

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 5,   Pages 683-692 doi: 10.1007/s11783-014-0680-y

Abstract: A quantitative structure-property relationship (QSPR) study was carried out using 21 descriptors based

Keywords： dye     photolysis half-life     quantitative structure-property relationship     continuous-flow     stepwise multiple    

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Study on Cumulalive Energy Effect in Directional Fracture Controlled Blasting in Rock

Luo Yong,Shen Zhaowu

Strategic Study of CAE 2006, Volume 8, Issue 6,   Pages 78-82

Abstract: to solve the problems of stone exploitation, the mechanism of crack initiation and its expansion of directionalThe directional expansion of crack is satisfactory.Model test and field test suggest that the directional fracture controlled blasting with linear cavity

Keywords： cumulative energy effect     directional fracture controlled blasting     model test     liner     fracture    

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Application of quantum chemical descriptors into quantitative structure-property relationship models

Yueping BAO, Qiuying HUANG, Wenlong WANG, Jiangjie XU, Fan JIANG, Chenghong FENG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 505-511 doi: 10.1007/s11783-011-0318-2

Abstract: Quantitative structure-property relationship (QSPR) models were developed for prediction of photolysis

Keywords： photolysis     polychlorinated biphenyls (PCBs)     quantitative structure-property relationships (QSPRs)     quantum    

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Design and use of group-specific primers and probes for real-time quantitative PCR

Juntaek LIM, Seung Gu SHIN, Seungyong LEE, Seokhwan HWANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 1,   Pages 28-39 doi: 10.1007/s11783-011-0302-x

Abstract: Real-time quantitative polymerase chain reaction (qPCR) has gained popularity as a technique to detect

Keywords： absolute quantification     design guideline     primer     probe     real-time quantitative polymerase chain reaction    

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Quantitative analysis of CO

Xianbing LIU, Can WANG

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 1,   Pages 12-19 doi: 10.1007/s11783-009-0011-x

Abstract: The increasing volume of CO embodiment in international trade adds a layer of complexity to environmental policies and has raised arguments on the traditional production based responsibility for CO emissions. In order to help understand the quantity of CO embodiment in trade and its policy implications, this paper gives observations to recently emerging literatures that quantitatively discuss CO embodiment in trade. The analytical approaches share the principle of using input and output modeling but vary dramatically in study boundary and estimation accuracy. The calculations can be roughly categorized into three types: direct quantification of CO embodiments in multiregional trade, direct quantification of CO embodiment in bilateral trade, and indirect analysis by comparing the scenarios with or without trade. The practical estimations strongly rely on trade partner selection and data availability. An obvious imbalance of net CO embodiment in the commodity trade between major developed countries and developing economies as a whole was confirmed by these literatures. Carbon taxes and other possible limitations on CO emissions have been addressed. The consistency across the calculations could be enhanced by systematic analyses in more detail to convince the international community to take binding commitments for the reduction of global CO emissions.

Keywords： CO2 embodiment     international trade     quantitative estimation     analytical approach    

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Title Author Date Type Operation

Research on key technology of thin seam plough complete equipment

Song Qiushuang

Journal Article

Improved directional-distance filter

JIN Lianghai, LI Dehua

Journal Article

A Bayesian modeling approach to bi-directional pedestrian flows in carnival events

S. Q. XIE, S. C. WONG, William H. K. LAM

Journal Article

Acoustic characteristics of bi-directional turbines for thermoacoustic generators

Dongdong LIU, Yanyan CHEN, Wei DAI, Ercang LUO

Journal Article

Pushing Mathematical Limits, a Neural Network Learns Fluid Flow

Dana Mackenzie

Journal Article

A computational toolbox for molecular property prediction based on quantum mechanics and quantitative

Journal Article

Pushing the Data Capacity Limit with Lasers on Silicon

Peter Weiss

Journal Article

Saddle pushing analysis in suspension bridge construction

Qi Dongchun,Wang Changjiang,Shen Ruli,Lin Qia

Journal Article

Erratum to: Using pyrosequencing and quantitative PCR to analyze microbial communities

Husen ZHANG

Journal Article

Influence of the intensity and loading time of direct current electric field on the directional migration

Xiaoyu Wang,Yuxuan Gao,Haigang Shi,Na Liu,Wei Zhang,Hongbo Li

Journal Article

Estimation of photolysis half-lives of dyes in a continuous-flow system with the aid of quantitative

Davoud BEIKNEJAD,Mohammad Javad CHAICHI

Journal Article

Study on Cumulalive Energy Effect in Directional Fracture Controlled Blasting in Rock

Luo Yong,Shen Zhaowu

Journal Article

Application of quantum chemical descriptors into quantitative structure-property relationship models

Yueping BAO, Qiuying HUANG, Wenlong WANG, Jiangjie XU, Fan JIANG, Chenghong FENG

Journal Article

Design and use of group-specific primers and probes for real-time quantitative PCR

Juntaek LIM, Seung Gu SHIN, Seungyong LEE, Seokhwan HWANG

Journal Article

Quantitative analysis of CO

Xianbing LIU, Can WANG

Journal Article