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An improved low-complexity sum-product decoding algorithm for low-density parity-check codes

Michaelraj Kingston ROBERTS,Ramesh JAYABALAN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 6,   Pages 511-518 doi: 10.1631/FITEE.1400269

Abstract: In this paper, an improved low-complexity sum-product decoding algorithm is presented for low-densityparity-check (LDPC) codes.computational complexity is achieved by utilizing fast Fourier transform (FFT) with time shift in the check

Keywords： Computational complexity     Coding gain     Fast Fourier transform (FFT)     Low-density parity-check (LDPC)codes     Sum-product algorithm (SPA)    

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the ammonia oxidation capacity of ammonia-oxidizing archaeon originated from wastewater: Utilizing low-density

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1375-1

Abstract:

• AOA’s ammonia oxidizing capacity was enhanced under moderate magnetic field.

Keywords： Ammonia-oxidizing archaeon     Ammonia oxidation     Magnetic field     Magnetotaxis     Heredity    

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A low-density polyethylene composite with phosphorus-nitrogen based flame retardant and multi-walled

Yong Luo, Yuhui Xie, Renjie Chen, Ruizhi Zheng, Hua Wu, Xinxin Sheng, Delong Xie, Yi Mei

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1332-1345 doi: 10.1007/s11705-021-2035-0

Abstract: Low-density polyethylene was combined with the flame retardant and multi-walled carbon nanotubes to formcarbon nanotubes can significantly improve the electrical conductivity and mechanical properties of the low-density

Keywords： MWCNTs     PEPA     electrical conductivity     flame retardant     low density polyethylene    

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Correlative investigation of copper/low-density polyethylene nanocomposite on the endometrial angiogenesis

LI Jianxiong, LIU Zilong, DUAN Yonggang, YU Jing, ZHU Changhong, LI Shuang, XIE Changsheng

Frontiers of Medicine 2007, Volume 1, Issue 4,   Pages 401-404 doi: 10.1007/s11684-007-0078-3

Abstract: The purpose of this study was to investigate the effects of copper/low-density polyethylene nanocompositeCompared with those in the SO group, the significant increases in microvessel density (MVD) were observed

Keywords： significant difference     female     endometrial angiogenesis     nano-Cu/LDPE     CD34    

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Quantum-dot cellular automata based reversible low power parity generator and parity checker design for

Jadav Chandra DAS,Debashis DE

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 3,   Pages 224-236 doi: 10.1631/FITEE.1500079

Abstract: Besides, device density and power dissipation are the key issues in the nanocommunication architectureFor the first time, QCA-based designs of the reversible low-power odd parity generator and odd parityUsing the proposed parity generator and parity checker circuit, a nanocommunication architecture is proposedQCA layouts are calculated and compared, which establishes that the proposed QCA circuits have very lowThe proposed circuits can be used to design more complex low-power nanoscale lossless nanocommunication

Keywords： Quantum-dot cellular automata (QCA)     Parity generator     Parity checker     Feynman gate     Nanocommunication    

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Performance of inverse fluidized bed bioreactor in treating starch wastewater

M. RAJASIMMAN, C. KARTHIKEYAN

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 3,   Pages 235-239 doi: 10.1007/s11705-009-0020-0

Abstract: digestion of starch industry wastewater was carried out in an inverse fluidized bed bioreactor using low-density

Keywords： inverse fluidization     low-density particles     polypropylene     starch     biofilm    

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Empirical models and design codes in prediction of modulus of elasticity of concrete

Behnam VAKHSHOURI, Shami NEJADI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 38-48 doi: 10.1007/s11709-018-0479-1

Abstract: Out of range estimation of MOE in the existing codes of practice strongly affect the design and performancerange of experimental databases and empirical models to estimate the MOE from compressive strength and densityAlso, considering the consistency between density and mechanical properties of concrete, the predictedMOE in the models including density effect, are more compatible with the experimental results.

Keywords： modulus of elasticity     normal strength normal weight concrete     empirical models     design codes     compressivestrength     density    

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Energy absorption potential of concrete floors containing secondary (shrinkage and temperature) reinforcements

K. S. SIVAKUMARAN,R. M. KOROL,Xiao FAN

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 3,   Pages 282-291 doi: 10.1007/s11709-014-0269-3

Abstract: experimentally investigates the energy absorption potential of two types of concrete floors, namely, normal densityconcrete and structural low-density concrete, containing secondary (shrinkage and temperature) reinforcements

Keywords： concrete floors     structural low-density concrete     shrinkage and temperature reinforcements     energy absorption    

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A prototype online database-enabled design framework for wind analysis/design of low-rise buildings

Dae Kun KWON,Ahsan KAREEM,Deepak KUMAR,Yukio TAMURA

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 121-130 doi: 10.1007/s11709-015-0329-3

Abstract: This study presents a development of an advanced cyberbased database-enabled design module for low-risecode-specified load effects in which the overall accuracy may be influenced by the inherent simplifications in codes

Keywords： wind loads     low-rise building     pressure measurement     aerodynamics     building design     structural response     buildingcodes     information technology (IT)    

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Design of packing cup interference fit value of hypercompressors for low density polyethylene production

Da LEI,Xuehong LI,Yun LI,Xiwen REN

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 107-113 doi: 10.1007/s11708-017-0450-1

Abstract: The hypercompressor is one of the core facilities in low density polyethylene production, with a discharge

Keywords： interference fit value     packing cup     hypercompressor     finite element method (FEM)    

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Concepts and implementation of strain-based criteria in design codes for steel structures

Reidar BJORHOVDE

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 210-216 doi: 10.1007/s11709-012-0165-7

Abstract: A uniaxial tension test is commonly used to determine the mechanical properties of steel, but it has no meaning for the response of the material in a structure. The test was developed as a consensus solution by producers, fabricators, designers and code writers, to have a standard by which similar materials could be compared to a common base. It does not represent the actual behavior of the steel in a structure, and was never intended to do so. To study the true behavior of the structure and how the material responds it would be better to determine the strains and deformations that will take place during actual service condition. Such characteristics reflect the real behavior, whether in the elastic or inelastic range. If stresses or forces are needed, these are easily determined by the value of the strain and the relevant material modulus, along with the type of cross section, whether elastic or inelastic. The paper addresses the properties of a range of structural steels, how these are incorporated into design standards and how the standards define deformation characteristics and demands for bolted and welded connections.

Keywords： steel     stress-strain characteristics     tension test     strain design     actual behavior     improved design codes    

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Improving retrieval precision of NO

Jinpeng YANG

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 92-96 doi: 10.1007/s11465-009-0001-5

Abstract: The NO density error retrieved by the traditional method of differential optical absorption spectroscopyThe technique for reducing the error is proposed and used to obtain the NO density of Chengdu through

Keywords： absorption structure     low-frequency structure     absorption cross-section     NO2 density    

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Dynamic modeling framework of sediment trapped by check-dam networks: A case study of a typical watershed Article

Pengcheng Sun, Yiping Wu

Engineering 2023, Volume 27, Issue 8,   Pages 209-221 doi: 10.1016/j.eng.2021.12.015

Abstract:

Check-dam construction is an effective and widely used method for sediment trapping in the YellowQuantitative estimations of the dynamic sediment trapped by check dams are necessary for evaluating theeffects of check dams and planning the construction of new ones.), for modeling the sediment trapped by check dams dynamically, by integrating the widely utilized SWATFor the Yan River Basin, our results indicated that the designed structural parameters of check dams

Keywords： Check dams     Dynamic check dam (DCDam)     Loess Plateau     Sediment trapping     SWAT    

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SOIL CARBON CHECK: A TOOL FOR MONITORING AND GUIDING SOIL CARBON SEQUESTRATION IN FARMER FIELDS

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 2,   Pages 248-261 doi: 10.15302/J-FASE-2023499

Abstract:

● Establishment of a rapid tool for monitoring soil carbon sequestration in farmer fields.

Keywords： 4 per 1000 initiative     carbon sequestration     climate action     farmer fields     SDG13     soil organic carbon     soil testing    

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Comparison and harmonization of building wind loading codes among the Asia-Pacific Economies

Yaojun GE, Shuyang CAO, Xinyang JIN

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 402-410 doi: 10.1007/s11709-013-0230-x

Abstract: This paper reviews wind loading codes and standards in the Asia-Pacific Region, in particular in theThrough the APEC-WW Workshops and the extensive calculations for three examples of low, medium and high

Keywords： wind loading     codification     velocity pressure     exposure factor     pressure coefficient     gust response factor    

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Title Author Date Type Operation

An improved low-complexity sum-product decoding algorithm for low-density parity-check codes

Michaelraj Kingston ROBERTS,Ramesh JAYABALAN

Journal Article

the ammonia oxidation capacity of ammonia-oxidizing archaeon originated from wastewater: Utilizing low-density

Journal Article

A low-density polyethylene composite with phosphorus-nitrogen based flame retardant and multi-walled

Yong Luo, Yuhui Xie, Renjie Chen, Ruizhi Zheng, Hua Wu, Xinxin Sheng, Delong Xie, Yi Mei

Journal Article

Correlative investigation of copper/low-density polyethylene nanocomposite on the endometrial angiogenesis

LI Jianxiong, LIU Zilong, DUAN Yonggang, YU Jing, ZHU Changhong, LI Shuang, XIE Changsheng

Journal Article

Quantum-dot cellular automata based reversible low power parity generator and parity checker design for

Jadav Chandra DAS,Debashis DE

Journal Article

Performance of inverse fluidized bed bioreactor in treating starch wastewater

M. RAJASIMMAN, C. KARTHIKEYAN

Journal Article

Empirical models and design codes in prediction of modulus of elasticity of concrete

Behnam VAKHSHOURI, Shami NEJADI

Journal Article

Energy absorption potential of concrete floors containing secondary (shrinkage and temperature) reinforcements

K. S. SIVAKUMARAN,R. M. KOROL,Xiao FAN

Journal Article

A prototype online database-enabled design framework for wind analysis/design of low-rise buildings

Dae Kun KWON,Ahsan KAREEM,Deepak KUMAR,Yukio TAMURA

Journal Article

Design of packing cup interference fit value of hypercompressors for low density polyethylene production

Da LEI,Xuehong LI,Yun LI,Xiwen REN

Journal Article

Concepts and implementation of strain-based criteria in design codes for steel structures

Reidar BJORHOVDE

Journal Article

Improving retrieval precision of NO

Jinpeng YANG

Journal Article

Dynamic modeling framework of sediment trapped by check-dam networks: A case study of a typical watershed

Pengcheng Sun, Yiping Wu

Journal Article

SOIL CARBON CHECK: A TOOL FOR MONITORING AND GUIDING SOIL CARBON SEQUESTRATION IN FARMER FIELDS

Journal Article

Comparison and harmonization of building wind loading codes among the Asia-Pacific Economies

Yaojun GE, Shuyang CAO, Xinyang JIN

Journal Article