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selected semi-volatile organic compounds in water using automated online solid-phase extraction with large-volumeinjection/gas chromatography/mass spectrometry

Yongtao LI, Christina L. MCCARTY, Ed J. GEORGE

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 417-425 doi: 10.1007/s11783-011-0310-x

Abstract: automated online solid-phase extraction technique coupled with programmed-temperature vaporization large-volumeinjection gas chromatography/mass spectrometry.For a sample volume of 10 mL, the linear calibrations ranged from 0.01 or 0.05 to 2.5μg·L , and the method

Keywords： automated solid-phase extraction     programmed-temperature vaporization     large-volume injection     gas chromatography    

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Trend prediction technology of condition maintenance for large water injection units

Xiaoli XU, Sanpeng DENG

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 171-175 doi: 10.1007/s11465-009-0091-0

Abstract: Large-sized water injection units are key equipment in oilfields.maintenance costs, trend prediction technology is studied to achieve condition-based maintenance for water injectionproposed trend prediction technology can reflect the operating condition trend change of the water injection

Keywords： water injection units     condition-based maintenance     trend prediction    

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Shanghai Tower

Jian GONG

Frontiers of Engineering Management 2017, Volume 4, Issue 1,   Pages 106-109 doi: 10.15302/J-FEM-2017001

Abstract: Ru-jiang Zhao,Wung Hee Moh. [J]. Front. Eng, 2016, 3(2): 147-157.

Keywords： super-high-rise building     green building     integral steel platform formwork system     large volume concrete     concrete pumped for super-high building     deep and large foundation pit     combined anterograde and retrograde    

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Molecular dynamics study of water diffusion in an amphiphilic block copolymer with large difference in

Yang Zhou, Phillip Choi

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 3,   Pages 440-447 doi: 10.1007/s11705-017-1626-2

Abstract: ., following the free volume model of Fujita).It suggested that water diffusion in PU- -PNIPAm depends only on its fractional free volume despite thefree volume inhomogeneity.

Keywords： molecular dynamics simulation     amphiphilic block copolymer     free volume     water diffusivity     fujita model    

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Pre-chamber turbulent jet ignition of methane/air mixtures with multiple orifices in a large bore constantvolume chamber: effect of air-fuel equivalence ratio and pre-mixed pressure

Xiang LI, Wenzheng ZHANG, Zhong HUANG, Dehao JU, Li HUANG, Mingzhi FENG, Xingcai LU, Zhen HUANG

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 483-493 doi: 10.1007/s11708-019-0631-1

Abstract: However, natural gas is relatively difficult to be ignited in a large bore combustion chamber.volume.ratio and pre-mixed pressure on pre-chamber TJI of methane/air mixtures with multiple orifices in a largebore volume, experimental tests and computational simulations were implemented to study the dischargeorientation of the spark plug, resulting in the inhomogeneous distribution of combustion in the constant volume

Keywords： marine engine     natural gas     methane     turbulent jet ignition (TJI)     pre-chamber    

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Assessment of liver volume variation to evaluate liver function

Cong Tong, Xinsen Xu, Chang Liu, Tianzheng Zhang, Kai Qu

Frontiers of Medicine 2012, Volume 6, Issue 4,   Pages 421-427 doi: 10.1007/s11684-012-0223-5

Abstract: volumetry in cirrhosis and acute liver failure (ALF) patients, we explored the correlation between hepatic volumeto get a regression formula for standard liver volume (SLV) and BSA.It turned out that the mean liver volume of the control group was 1 058±337 cm3.The hepatic volume of cirrhosis patients in Child A, B level was not reduced, but in Child C level itwas significantly reduced with the lowest liver volume index (CTLV/SLV).

Keywords： liver volume variation     cirrhosis     acute liver failure (ALF)    

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Large-scale accumulation characteristic and distribution law of low porosity and permeability reservoir

Zhao Wenzhi,Wang Hongjun,Bian Congsheng,Wang Zecheng,Liu Guangdi

Strategic Study of CAE 2012, Volume 14, Issue 6,   Pages 31-39

Abstract: gas exploration and development of current and future period in China, with the characteristics of largeThis paper focuses on the large-scale gas accumulation characteristics and distribution law of this typescale, which is the foundation of gas accumulation in a large scale.burial period and scale“exhausting gas” in uplift stage are the important gas source;the volumearea and large scope types, and the stratigraphic and lithologic traps are the main type.

Keywords： low porosity and permeability reservoir     largescale gas accumulation     volume flow     diffusion flow     “pancake    

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Destructive and non-destructive evaluation of concrete for optimum sand to aggregate volume ratio

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1400-1414 doi: 10.1007/s11709-021-0779-8

Abstract: Aggregates are the biggest contributor to concrete volume and are a crucial parameter in dictating its, a detailed experimental investigation was carried out to evaluate the effect of sand-to-aggregate volume

Keywords： aggregates     non-destructive testing     sand-to-aggregate volume ratio (s/a)     maximum aggregate    

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Three-dimensional numerical simulation for plastic injection-compression molding

Yun ZHANG, Wenjie YU, Junjie LIANG, Jianlin LANG, Dequn LI

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 74-84 doi: 10.1007/s11465-018-0490-1

Abstract:

Compared with conventional injection molding, injection-compression molding can mold optical partsIn this study, a 3D simulation method was developed for injection-compression molding.in the cavity were investigated by using the proposed simulation method and compared with those of injectionpressures at different points along the flow path is complicated rather than monotonically decreased in injection

Keywords： injection-compression molding     simulation     injection molding     melt flow     cavity pressure    

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density measurement for plastic injection molding via ultrasonic technology

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0714-2

Abstract: Density variation during the injection molding process directly reflects the state of plastic melt andThe existing methods, such as pressure−volume−temperature (PVT) method, have the shortages of time-delayExperiments with different process conditions are conducted, including different melt temperature, injectioni> measurement, non-destructive, high accuracy, low cost, and is of great application value for the injection

Keywords： ultrasonic measurement     melt density     in-situ measurement     injection molding    

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Economic Development Models of Gas Condensate Reservoir

Liu Tingyuan

Strategic Study of CAE 2001, Volume 3, Issue 3,   Pages 85-91

Abstract: condensate reservoirs, including reinjection with 75% dry gas recycling, dumpflooding of gas, nitrogen injection, water injection, water and gas alternating injection, C〇2 injection, etc.

Keywords： gas condensate reservoir     development model     gas injection     nitrogen injection     water injection     CO 2 injection     economic    

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Intelligent methods for the process parameter determination of plastic injection molding

Huang GAO, Yun ZHANG, Xundao ZHOU, Dequn LI

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 85-95 doi: 10.1007/s11465-018-0491-0

Abstract:

Injection molding is one of the most widely used material processing methods in producing plasticstudies and developments of the intelligent methods applied in the process parameter determination of injection

Keywords： injection molding     intelligent methods     process parameters     optimization    

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Integration of molecular dynamic simulation and free volume theory for modeling membrane VOC/gas separation

Bo Chen, Yan Dai, Xuehua Ruan, Yuan Xi, Gaohong He

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 2,   Pages 296-305 doi: 10.1007/s11705-018-1701-3

Abstract: membrane separation process for volatile organic compounds by combining the MD simulation with the free volumeand pure gas permeation data are employed to correlate pressure-irrelevant parameters for the free volume

Keywords： membrane vapor separation     membrane process modeling     process engineering     free volume theory     volatile organic    

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methodology for regulating fuel stratification and improving fuel economy of GCI mode via double main-injection

Frontiers in Energy 2023, Volume 17, Issue 5,   Pages 678-691 doi: 10.1007/s11708-022-0859-z

Abstract: regulating concentration stratification and promoting fuel-gas mixing by utilizing the double main-injectioninjected gasoline with an octane number of 82.7 to investigate the energy ratio between the two main-injectionHigh-load experiments were conducted using the DMI strategy and compared with the single main-injectionAt a 10 bar indicated mean effective pressure, increasing the main-injection-2 ratio (Rm-2) shortens the injection duration and increases the mean mixing time.

Keywords： gasoline compression ignition     injection strategy     fuel stratification     high efficiency     high load    

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Title Author Date Type Operation

selected semi-volatile organic compounds in water using automated online solid-phase extraction with large-volumeinjection/gas chromatography/mass spectrometry

Yongtao LI, Christina L. MCCARTY, Ed J. GEORGE

Journal Article

Trend prediction technology of condition maintenance for large water injection units

Xiaoli XU, Sanpeng DENG

Journal Article

Hélène Mainaud Durand: Advances in Large Volume Metrology in Particles Accelerators（2019.10.10）

23 Apr 2021

Conference Videos

Shanghai Tower

Jian GONG

Journal Article

Molecular dynamics study of water diffusion in an amphiphilic block copolymer with large difference in

Yang Zhou, Phillip Choi

Journal Article

Pre-chamber turbulent jet ignition of methane/air mixtures with multiple orifices in a large bore constantvolume chamber: effect of air-fuel equivalence ratio and pre-mixed pressure

Xiang LI, Wenzheng ZHANG, Zhong HUANG, Dehao JU, Li HUANG, Mingzhi FENG, Xingcai LU, Zhen HUANG

Journal Article

Assessment of liver volume variation to evaluate liver function

Cong Tong, Xinsen Xu, Chang Liu, Tianzheng Zhang, Kai Qu

Journal Article

Large-scale accumulation characteristic and distribution law of low porosity and permeability reservoir

Zhao Wenzhi,Wang Hongjun,Bian Congsheng,Wang Zecheng,Liu Guangdi

Journal Article

Destructive and non-destructive evaluation of concrete for optimum sand to aggregate volume ratio

Journal Article

Three-dimensional numerical simulation for plastic injection-compression molding

Yun ZHANG, Wenjie YU, Junjie LIANG, Jianlin LANG, Dequn LI

Journal Article

density measurement for plastic injection molding via ultrasonic technology

Journal Article

Economic Development Models of Gas Condensate Reservoir

Liu Tingyuan

Journal Article

Intelligent methods for the process parameter determination of plastic injection molding

Huang GAO, Yun ZHANG, Xundao ZHOU, Dequn LI

Journal Article

Integration of molecular dynamic simulation and free volume theory for modeling membrane VOC/gas separation

Bo Chen, Yan Dai, Xuehua Ruan, Yuan Xi, Gaohong He

Journal Article

methodology for regulating fuel stratification and improving fuel economy of GCI mode via double main-injection

Journal Article