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Temperature effect on carbothermal reduction and nitridation synthesis of silicon nitride

Wan Xiaohan,Zhang Guangqing,Oleg Ostrovski and Hal Aral

Strategic Study of CAE 2015, Volume 17, Issue 1,   Pages 62-66

Abstract: CO evolution in the process was monitored by an infrared sensor.Due to the small difference of the equilibrium CO partial pressure between Si3N4 and SiC formation， the

Keywords： carbothermal reduction and nitridation； boundary temperature； selectivity of products； equilibrium COpartial pressure    

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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 answerThis paper proposes a novel method to obtain the “partial pressures” of the water vapor and dry air inpressure 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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Study of the robustness of a low-temperature dual-pressure process for removal of CO

Stefania Moioli, Laura A. Pellegrini, Paolo Vergani, Fabio Brignoli

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 2,   Pages 209-225 doi: 10.1007/s11705-017-1688-1

Abstract: ., CO ) in the stream to be treated, traditional purification processes may be too energy intensive and

Keywords： CO2 capture     innovative process     cryogenic distillation     dynamic simulation     solid-liquid-vaporequilibrium    

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Experimental and DFT insights into nitrogen and sulfur co-doped carbon nanotubes for effective desulfurizationof liquid phases: Equilibrium & kinetic study

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-021-1397-3

Abstract:

• Synthesis of NS-CNTS is used in a high desulfurization performance.

Keywords： Dibenzothiophene (DBT)     Tertiary methyl mercaptan     Adsorption     Carbon nano tube (CNT)     Desulfurization     Doping    

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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 of weight loss related to the partial oxidation is well fitted by the Avrami–Erofeyev equationThe 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.

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

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Effects of pressure and temperature on fixed-site carrier membrane for CO 2 separation from natural gas

Meng WANG, Dongxiao YANG, Zhi WANG, Jixiao WANG, Shichang WANG,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 2,   Pages 127-132 doi: 10.1007/s11705-009-0231-4

Abstract: In this paper, the effect of testing temperature on the performance of fixed carrier membrane for COThe permselectivity of the membranes was measured with CO/CH mixed gas.The results showed that both the permeances of CO and CH decreased with the increase of temperature,and the permeances decreased more quickly under low pressure than those under high pressure.At the feed pressure of 0.11MPa, the CO/ CH selectivity of PEI-PVA/PS blend composite membrane

Keywords： temperature increment     high pressure     permselectivity     separation performance     temperature    

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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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Solubility of CO in solid-state PET measured by pressure-decay method

CHEN Miaocan, ZHAO Ling, LIU Tao, WU Jiangwei, YUAN Weikang

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 2,   Pages 214-219 doi: 10.1007/s11705-008-0040-1

Abstract: The solubility of CO in solid-state PET was measured using a pressure-decay method.In order to calculate the solubility of CO in the amorphous region of PET, the crystallinity of solidstate PET dissolved in CO at different pressures and temperatures was measured by differential scanning’s law when the pressure is below 8 MPa.At higher pressure, the solubility decreases with an increase in temperature.

Keywords： Sanchez-Lacombe equation     solid-state PET     different     relationship     calorimetry    

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“ALL FREE” — a novel design concept of applying partial oxidation process to vehicle

Ling LIN, Wenshuang LIN, Qingbiao LI, Yao ZHOU,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 2,   Pages 207-212 doi: 10.1007/s11705-009-0240-3

Abstract: corresponding chemical products, which, as a result, enable the process to be theoretically free of CO, while the heat output of the partial oxidation could drive the vehicle., the thermodynamic and kinetic data (e.g., the heat output and heat release rate) of five selected partialIt turned out that the partial oxidation of -butane to maleic anhydride has the most potential to meetTo sum up, this design concept is of significant application potential for the reduction of CO emissions

Keywords： oxidation process     CO     complete oxidation     ALL FREE     -butane    

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Simulation of the optimal heat rejection pressure for transcritical CO

Junlan YANG, Yitai MA, Minxia LI, Hua TIAN

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 522-526 doi: 10.1007/s11708-010-0027-8

Abstract: In order to optimize and control transcritical CO refrigeration cycle, a mathematical model was developedThe simulation results show that a maximum COP exists at the optimal heat rejection pressure not onlyIn order to further obtain correlation of the optimal heat rejection pressure for transcritical CO expanderBased on the simulation results, the values of the optimal heat rejection pressure for the expander cycleIt is, therefore, convenient to use either correlation to simulate the performance of transcritical CO

Keywords： transcritical CO2 cycle     optimal heat rejection pressure     simulation     expander    

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A microextraction approach for rapid extraction and separation of Mn(II) and Co(II) using saponified

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 963-972 doi: 10.1007/s11705-021-2081-7

Abstract: this paper, we proposed a microextraction approach for the extraction and separation of Mn(II) and CoThe effects of the following operational variables were investigated: equilibrium pH, tri-n-butylThe results showcased that the microextractor can reach the extraction equilibrium within 20 s, therebymi>Mn/Co

Keywords： extraction equilibrium     mass transfer coefficient     microextraction     multicomponent extraction     di-(2-    

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The Application of Local Search for Maximum Area to High Pressure Phase Equilibrium

Guo Jizhi,Liu Tao,Yuan Weikang

Strategic Study of CAE 2001, Volume 3, Issue 3,   Pages 56-60

Abstract: condition for global Gibbs energy minimization rather than only a necessary condition provided by the flash equilibriumLSAM (local search area method), which is a repeated search shrinking vicinities of the liquid and gas equilibriumThe experimental equilibrium data of benzene and propylene are used to demonstrate the merit of this

Keywords： Gibbs energy     VLE high pressure     VLE calculation method     benzene     propylene    

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catalysts with various metal oxides by a mechanochemical method: enhanced formaldehyde yield in methanol partial

Xue Liu, Lingtao Kong, Shengtao Xu, Chaofan Liu, Fengyun Ma

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1099-1110 doi: 10.1007/s11705-020-2008-8

Abstract: Iron molybdate catalysts doped with Co(NO ) ·6H O and Al(NO ) ·9H O resulted in high HCHO yields.with a commercial catalyst, the HCHO yields in the reaction with the modified catalyst at an optimal Coimportant factors enhancing the HCHO yield in reactions catalyzed with iron molybdate doped with different Co

Keywords： iron molybdate catalyst     metal oxides     methanol to formaldehyde     Co/Mo ratio     formaldehyde yield    

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Thermodynamic analysis of reaction pathways and equilibrium yields for catalytic pyrolysis of naphtha

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1700-1712 doi: 10.1007/s11705-022-2207-6

Abstract: Herein, for a better catalyst design and operation parameters optimization, the reaction pathways and equilibriumIn addition, the equilibrium yield of light olefins increased with increasing the chain length, and the

Keywords： naphtha     catalytic pyrolysis     reaction pathway     equilibrium yield    

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Title Author Date Type Operation

Temperature effect on carbothermal reduction and nitridation synthesis of silicon nitride

Wan Xiaohan,Zhang Guangqing,Oleg Ostrovski and Hal Aral

Journal Article

“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

Study of the robustness of a low-temperature dual-pressure process for removal of CO

Stefania Moioli, Laura A. Pellegrini, Paolo Vergani, Fabio Brignoli

Journal Article

Experimental and DFT insights into nitrogen and sulfur co-doped carbon nanotubes for effective desulfurizationof liquid phases: Equilibrium & kinetic study

Journal Article

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

Journal Article

Effects of pressure and temperature on fixed-site carrier membrane for CO 2 separation from natural gas

Meng WANG, Dongxiao YANG, Zhi WANG, Jixiao WANG, Shichang WANG,

Journal Article

Effect of Ca

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

Journal Article

Solubility of CO in solid-state PET measured by pressure-decay method

CHEN Miaocan, ZHAO Ling, LIU Tao, WU Jiangwei, YUAN Weikang

Journal Article

“ALL FREE” — a novel design concept of applying partial oxidation process to vehicle

Ling LIN, Wenshuang LIN, Qingbiao LI, Yao ZHOU,

Journal Article

Simulation of the optimal heat rejection pressure for transcritical CO

Junlan YANG, Yitai MA, Minxia LI, Hua TIAN

Journal Article

A microextraction approach for rapid extraction and separation of Mn(II) and Co(II) using saponified

Journal Article

The Application of Local Search for Maximum Area to High Pressure Phase Equilibrium

Guo Jizhi,Liu Tao,Yuan Weikang

Journal Article

catalysts with various metal oxides by a mechanochemical method: enhanced formaldehyde yield in methanol partial

Xue Liu, Lingtao Kong, Shengtao Xu, Chaofan Liu, Fengyun Ma

Journal Article

Thermodynamic analysis of reaction pathways and equilibrium yields for catalytic pyrolysis of naphtha

Journal Article