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“Partial pressures” of humid air in wide pressure and temperature ranges

Zidong WANG, Hanping CHEN, Shilie WENG

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 511-517 doi: 10.1007/s11708-013-0281-7

Abstract: “Partial pressure” in humid air is a question very much concerned by scientists and no satisfactory answerThe results obtained by the proposed method are quite different from that obtained by Dalton’s partialpressure law.The fundamental behaviors of water vapor and dry air are studied in depth in wide pressure and temperatureOne discovery is that the “partial pressure” of the water vapor in saturated humid air equals , rather

Keywords： partial pressure     Dalton’s partial pressure law     humid air     saturated     unsaturated    

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Upper bound solution to seismic active earth pressure of submerged backfill subjected to partial drainage

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1480-1493 doi: 10.1007/s11709-021-0776-y

Abstract: This paper proposes a general analytical method to evaluate the seismic active earth pressure on a retainingwall with backfill subjected to partial steady seepage flow under seismic conditions.total head, ii) upper bound solution of seismic active earth thrust, and iii) deduction for the earth pressurerelies on the Fourier series expansions, and the expressions of the seismic active earth thrust and pressurereveal that insufficient drainage and earthquakes are crucial factors that cause unfavorable earth pressure

Keywords： seismic active earth pressure     partial seepage flow     pore pressure     anisotropy     upper bound theorem    

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Deriving Improved Newton's Second Law and the Law of Gravity at One Time with Form of Fractal Formula

Fu Yuhua

Strategic Study of CAE 2003, Volume 5, Issue 6,   Pages 55-58

Abstract:

Newton's second law and the law of gravity are summarized with experimental results.For discussing the possibility of deriving the two laws theoretically, according to the law of conservationof energy, the method of deriving improved Newton's second law and the law of gravity at one timeresults suitable for this example with the constant dimension fractal form are as follows： improved lawof gravity F = - GMm/r1.99989 , and improved Newton's second law F = ma1.01458

Keywords： Newton & acute     s second law     the law of gravity     theoretical derivation    

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China’s Ministry of Environmental Protection Adopted Draft Amendment to the Law on Prevention and Control

Fu Sun,Yi Liu

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0890-6

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First law-based thermodynamic analysis on Kalina cycle

ZHANG Ying, HE Maogang, JIA Zhen, LIU Xun

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 145-151 doi: 10.1007/s11708-008-0021-6

Abstract: Based on the first law of thermodynamics, and adopting the Peng-Robinson equation (P-R equation) as theThe influences on the cycle performance of key parameters, such as the pressure and temperature at theinlet of the turbine, the back pressure of the turbine, the concentration of the working solution, the

Keywords： ammonia-water     P-R     single-stage distillation     Peng-Robinson     pressure    

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Reduction kinetics of SrFeO/CaO∙MnO nanocomposite as effective oxygen carrier for chemical looping partial

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1726-1734 doi: 10.1007/s11705-022-2188-5

Abstract: The weight loss associated with the partial oxidation is much larger than that with combustion.The rate law for the partial oxidation includes a solid conversion term whose expression is given bythe A3 model and a methane pressure-dependent term represented by a power law.The partial oxidation is half order with respect to methane pressure.The proposed rate law could well predict the reduction kinetics; thus, it may be used to design and/or

Keywords： reforming     SrFeO3−δ/CaO·MnO nanocomposite     reduction kinetics     Avrami–Erofeyev model     pressure-dependent    

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Effect of Ca

Qi WANG, Hongzhi JIANG, Shengli CHEN, Mingmin ZHANG, Mingxing DING, Esheng KONG, Guangying HUANG

Frontiers of Medicine 2009, Volume 3, Issue 1,   Pages 96-99 doi: 10.1007/s11684-009-0014-9

Abstract: The manner of change of oxygen partial pressure in acupoints and no-acupoints of the urinary bladderin urinary bladder meridian acupoints was higher than that in no-acupoints ( <0.01); (3) the oxygen partialpressure in acupoints decreased significantly after injection with EDTA-Na , compared with injectionof either normal sodium or nothing ( <0.01); (4) the oxygen partial pressure in acupoints was higherAcupuncture could reduce oxygen partial pressure in acupoints by regulating microcirculation and increasing

Keywords： oxygen partial pressure     biosensor     calcium channels     acupoint    

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450 mm Silicon Wafers Are Imperative for Moore's Law but maybe Postponed

Hailing Tu

Engineering 2015, Volume 1, Issue 2,   Pages 162-163 doi: 10.15302/J-ENG-2015060

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CFD evaluation of pressure drop across a 3-D filter housing for industrial gas turbine plants

EFFIOM,Olayinka S. OHUNAKIN

Frontiers in Energy 2016, Volume 10, Issue 2,   Pages 192-202 doi: 10.1007/s11708-016-0406-x

Abstract: This paper investigated the flow distribution and total pressure drop across a designed 3-D filter housingfor a heavy-duty industrial gas turbine plant operating at an average ambient temperature of 20°C.The pressureThe results obtained indicated an acceptable total pressure drop of 7.2% for the entire filter housingfilter housing was proved compatible with the studied GT, for inlet flow conditions between 600≤ ≤610 kg/sand 60≤ ≤70 m/s for the air flow rate and velocity, respectively.

Keywords： computational fluid dynamics (CFD)     pressure drop     flow distribution     filter housing     gas turbine    

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Improving existing “reaching law” for better discrete control of seismically-excited building structures

Zhijun LI, Zichen DENG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 111-116 doi: 10.1007/s11709-009-0022-5

Abstract: In this paper, a novel “composite reaching law” was explained in details: 1) the equation of discreteThe results of numerical example analysis of the model show that the control law can effectively reduce

Keywords： discrete-time variable structure control     composite reaching law     chattering effect     saturated control law    

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Methanation and chemolitrophic nitrogen removal by an anaerobic membrane bioreactor coupled partial nitrification

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 6, doi: 10.1007/s11783-023-1668-2

Abstract:

● Efficient carbon methanation and nitrogen removal was achieved in AnMBR-PN/A system.

Keywords： Anaerobic membrane bioreactor     Partial nitrification/Anammox     Carbon separation     Chemolitrophic nitrogen    

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How did Archimedes discover the law of buoyancy by experiment?

Hidetaka KUROKI

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 1,   Pages 26-32 doi: 10.1007/s11465-016-0368-z

Abstract: water measurement of golden crown is impossible, and at his Eureka moment, Archimedes discovered the lawHe did not find the law of buoyancy but rather specific gravity of things at the moment.Through these measurements, he reached the discovery of the law of buoyancy directly by experiment.

Keywords： Archimedes’ principle     buoyancy     specific gravity     Eureka     Vitruvius     displaced water     balance     floating body    

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Fatigue crack growth simulations of 3-D linear elastic cracks under thermal load by XFEM

SINGH,S. K. YADAV

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4,   Pages 359-382 doi: 10.1007/s11709-015-0304-z

Abstract: This paper deals with the fatigue crack growth simulations of three-dimensional linear elastic cracks by XFEM under cyclic thermal load. Both temperature and displacement approximations are extrinsically enriched by Heaviside and crack front enrichment functions. Crack growth is modelled by successive linear extensions, and the end points of these linear extensions are joined by cubic spline segments to obtain a modified crack front. Different crack geometries such as planer, non-planer and arbitrary spline shape cracks are simulated under thermal shock, adiabatic and isothermal loads to reveal the sturdiness and versatility of the XFEM approach.

Keywords： 3-D cracks     fatigue life     Paris law     thermal load     XFEM    

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Why does environmental compliance cost more than penalty? —A legal analysis on environmental acts of enterprises in China

DONG Hongwei

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 434-442 doi: 10.1007/s11783-007-0069-2

Abstract: In the environmental protection field of China, due to lower law-breaking cost but higher law-abidingcost , it is a common case that the enterprise chooses to break through the law on purpose.

Keywords： law-abiding     punishment     environmental protection     law-breaking     enterprise    

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Methane partial oxidation over NiO-MgO/Ce

Piyawat PUE-ON, Vissanu MEEYOO, Thirasak RIRKSOMBOOON

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 3,   Pages 289-296 doi: 10.1007/s11705-013-1345-2

Abstract: Methane partial oxidation (MPO) is considered as an alternative method to produce hydrogen because itcatalysts were prepared via the co-impregnation (C) and sequential incipient wetness impregnation (S)However, among the catalysts tested, the 15Ni5Mg/CZO (S) catalyst exhibited the best catalytic stability

Keywords： methane partial oxidation     NiO     ceria-zirconia     MgO     mixed oxide solid solution    

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Title Author Date Type Operation

“Partial pressures” of humid air in wide pressure and temperature ranges

Zidong WANG, Hanping CHEN, Shilie WENG

Journal Article

Upper bound solution to seismic active earth pressure of submerged backfill subjected to partial drainage

Journal Article

Deriving Improved Newton's Second Law and the Law of Gravity at One Time with Form of Fractal Formula

Fu Yuhua

Journal Article

China’s Ministry of Environmental Protection Adopted Draft Amendment to the Law on Prevention and Control

Fu Sun,Yi Liu

Journal Article

First law-based thermodynamic analysis on Kalina cycle

ZHANG Ying, HE Maogang, JIA Zhen, LIU Xun

Journal Article

Reduction kinetics of SrFeO/CaO∙MnO nanocomposite as effective oxygen carrier for chemical looping partial

Journal Article

Effect of Ca

Qi WANG, Hongzhi JIANG, Shengli CHEN, Mingmin ZHANG, Mingxing DING, Esheng KONG, Guangying HUANG

Journal Article

450 mm Silicon Wafers Are Imperative for Moore's Law but maybe Postponed

Hailing Tu

Journal Article

CFD evaluation of pressure drop across a 3-D filter housing for industrial gas turbine plants

EFFIOM,Olayinka S. OHUNAKIN

Journal Article

Improving existing “reaching law” for better discrete control of seismically-excited building structures

Zhijun LI, Zichen DENG

Journal Article

Methanation and chemolitrophic nitrogen removal by an anaerobic membrane bioreactor coupled partial nitrification

Journal Article

How did Archimedes discover the law of buoyancy by experiment?

Hidetaka KUROKI

Journal Article

Fatigue crack growth simulations of 3-D linear elastic cracks under thermal load by XFEM

SINGH,S. K. YADAV

Journal Article

Why does environmental compliance cost more than penalty? —A legal analysis on environmental acts of enterprises in China

DONG Hongwei

Journal Article

Methane partial oxidation over NiO-MgO/Ce

Piyawat PUE-ON, Vissanu MEEYOO, Thirasak RIRKSOMBOOON

Journal Article