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Jaw Crusher With Large Reduction Ratio and the Modification of Crushing Technology

Rao Qilin

Strategic Study of CAE 2001, Volume 3, Issue 4,   Pages 82-87

Abstract:

A new type crushing equipment - the outer moving jaw crusher with large reduction ratio and its technicalThe structural nature of large reduction ratio makes it possible to substitute the two or three stage

Keywords： cursher     large reduction ratio     simplification of flowsheet    

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Can floor-area-ratio incentive promote low impact development in a highly urbanized area?

Ming Cheng, Huapeng Qin, Kangmao He, Hongliang Xu

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 2, doi: 10.1007/s11783-017-1002-y

Abstract: As an environmental friendly measure for surface runoff reduction, low impact development (LID) has beenFloor area ratio (FAR) refers to “the ratio of a building’s total floor area to the size of the piecea new residential district is selected as a case study to analyze the trade-off between the runoff reductionunder various LID designs and then derive the Pareto-optimal solutions to achieve urban runoff reductionThe results indicates that the maximum surface runoff reduction is 20.5%.

Keywords： Low impact development     Runoff reduction     Incentive     Floor area ratio     SUSTAIN(System for Urban Stormwater    

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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.technique called pre-chamber turbulent jet ignition (TJI) can permit combustion and flame propagation in a large-boreTo investigate the effect of air-fuel equivalence ratio and pre-mixed pressure on pre-chamber TJI ofmethane/air mixtures with multiple orifices in a large bore volume, experimental tests and computational

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

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Hydraulic Pressure Extremes Ratio & Extremes Ratio Efficiencies

Qi Maolin

Strategic Study of CAE 2001, Volume 3, Issue 4,   Pages 73-75

Abstract: applies basic formula to the calculation of a relationship between the hydraulic pressure extremes ratioof hydraulic system and the extremes ratio efficiencies.This relationship shows that the greater the hydraulic pressure extremes ratio is, the lower the extremesratio efficiencies are.The article holds that the hydraulic pressure extremes ratio can be designed and chosen.

Keywords： hydraulic pressure extremes ratio     extremes ratio efficiencies     hydraulic system    

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Controlling interstory drift ratio profiles via topology optimization strategies

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 165-178 doi: 10.1007/s11709-022-0892-3

Abstract: proposed approach involves solving a min–max optimization problem to suppress the maximum interstory drift ratioThe proposed methodology can shape the interstory drift ratio profiles into inverted triangular or quadratic

Keywords： interstory drift ratio     aggregation function     bound formulation     min–max problem     topology optimization    

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Bamboo-like -doped carbon nanotubes encapsulating M(Co, Fe)-Ni alloy for electrochemical production of syngas with potential-independent CO/H ratios

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 4,   Pages 498-510 doi: 10.1007/s11705-021-2082-6

Abstract: Low-cost electrocatalysts to produce tunable syngas with a potential-independent CO/H2 ratioThe MxNi-NCNT samples exhibited bamboo-like nanotubular structures with a large specificMore importantly, stable CO/H2 ratios of 2:1 and 1.5:1, corresponding to the ratio to producepotential-independent electrocatalysts to effectively produce syngas with an adjustable CO/H2 ratiofrom electrochemical CO2 reduction.

Keywords： electrochemical reduction of CO2     syngas     N-doped carbon nanotubes     encapsulated alloynanoparticles     CO/H2 ratio    

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A methodology of implementing target mixing ratio for asphalt mixture

Yucheng HUANG, Lun JI, Rui WEN, Ming ZHANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 308-314 doi: 10.1007/s11709-017-0405-y

Abstract: of hot mix asphalt adequately during the construction process, the significance of objective mixing ratioThe results show that the set of methods can not only implement the objective mixing ratio of hot mix

Keywords： asphalt mixture     target mixing ratio     mix design implementation     batching & mixing plant debugging    

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Preparation of ceria-zirconia solid solution with enhanced oxygen storage capacity and redox performance

Lijing MENG, Licheng LIU, Xuehong ZI, Hongxing DAI, Hong HE, Zhen ZHAO, Xinping WANG,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 2,   Pages 164-171 doi: 10.1007/s11783-010-0019-2

Abstract: method and characterized by X-ray diffraction (XRD), N adsorption, hydrogen temperature-programmed reductionThe UAMR method proved to be superior, especially when the Ce/Zr molar ratio was lower than 1, in fabricatingceria-zirconia solid solutions with large BET surface area, high oxygen storage capacity (OSC), andlow reduction temperature.

Keywords： membrane reaction     ceria-zirconia     Ce/Zr molar ratio     solid solution     hydrogen temperature-programmed reduction    

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Diagnostic evaluation of plasma aldosterone concentration to plasma renin activity ratio in primary aldosteronism

ZHANG Huilan, WANG Daowen

Frontiers of Medicine 2008, Volume 2, Issue 1,   Pages 11-14 doi: 10.1007/s11684-008-0003-4

Abstract: Using the plasma aldosterone concentration to plasma renin activity ratio (PAC/PRA ratio) as the screeninghypertensive patients, we studied the clinical characteristics and the diagnostic value of PAC/PRA ratioOne hundred and twenty-six suspected primary aldosteronism patients whose PAC/PRA ratio was > 25 ng/dLThe PAC/PRA ratio can be considered as a routine screening test in hypertensives, especially resistanthypertensive patients and a high PAC/PRA ratio is an invaluable index in primary aldosteronism diagnosis
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Enhancing the efficiency of nitrogen removing bacterial population to a wide range of C:N ratio (1.5:

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1522-y

Abstract:

• Simultaneous C & N removal in Methammox occurs at wide C:N ratio.

Keywords： Methanogens     Biological Nitrogen Removal (BNR)     Simultaneous     Methammox     C:N ratio    

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Experimental study of structural damage identification based on modal parameters and decay ratio of acceleration

Zhigen WU, Guohua LIU, Zihua ZHANG

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1,   Pages 112-120 doi: 10.1007/s11709-010-0069-3

Abstract: A novel damage assessment method based on the decay ratio of acceleration signals (DRAS) was proposed

Keywords： damage assessment     decay ratio of acceleration signals (DRAS)     wavelet transform (WT)     modal analysis     reinforced    

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The influence of the NCO/OH ratio and the 1,6-hexanediol/dimethylol propionic acid molar ratio on the

Jiao Feng, Qiuhao Lu, Weimin Tan, Kequan Chen, Pingkai Ouyang

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 1,   Pages 80-89 doi: 10.1007/s11705-018-1763-2

Abstract: indicate that the degree of hydrogen bonding and the numbers of urea groups increase as the NCO/OH ratioand HDO/DMPA molar ratio increase.Furthermore, the phase separation increases and the thermal stability decreases as the NCO/OH ratio increasesor the HDO/DMPA molar ratio decreases.

Keywords： 1     5-pentamethylene diisocyanate     polyurethane     water based    

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Long term performance of recycled concrete beams with different water–cement ratio and recycled aggregate

Jingwei YING; Feiming SU; Shuangren CHEN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 3,   Pages 302-315 doi: 10.1007/s11709-022-0803-7

Abstract: service performance of recycled aggregate concrete (RAC) components for different values of water−cement ratiorequirements when changing the replacement rate of RCA, it is necessary to change the water−cement ratiodeformation properties of reinforced concrete beams were tested respectively by changing water−cement ratioreduced more effectively by adjusting the replacement rate of RCA than by adjusting the water−cement ratioThe water−cement ratio has an evident influence on the axial compressive strength and early creep of

Keywords： recycled concrete     beam     the replacement rate of recycled coarse aggregate     water–cement ratio     digital    

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Influence of nozzle height to width ratio on ignition and NO

Liutao SUN, Yonghong YAN, Rui SUN, Zhengkang PENG, Chunli XING, Jiangquan WU

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 431-448 doi: 10.1007/s11708-021-0726-3

Abstract: ignition behavior and to reduce the high NO emissions of blended pulverized fuels (PF) of semicoke (SC), large-scaleThe combustion tests indicate that the flame stability, ignition performance, and fuel burnout ratioFurthermore, the ratio (denoted by / ) of the strong reduction zone area to the combustion reactionzone area was defined experimentally by the CO concentration to evaluate the reduction zone.

Keywords： rectangular jet burner     nozzle height to width ratio     ignition characteristics     pyrolyzed semicoke (SC)    

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Improvement of engine performance with high compression ratio based on knock suppression using Miller

Haiqiao WEI, Jie YU, Lei ZHOU

Frontiers in Energy 2019, Volume 13, Issue 4,   Pages 691-706 doi: 10.1007/s11708-019-0621-3

Abstract: In theory, high compression ratio has the potential to improve the thermal efficiency and promote theHowever, the application of high compression ratio is substantially limited by the knock in practicalThe objective of this work is to comprehensively investigate the application of high compression ratiosimilar to CR10, which could eliminate the knock limits at a high compression ratio and high load.To verify the advantages of the high compression ratio, the fuel economy and power performance of CR10

Keywords： high compression ratio     knock     Miller cycle     split injection     engine performance    

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Title Author Date Type Operation

Jaw Crusher With Large Reduction Ratio and the Modification of Crushing Technology

Rao Qilin

Journal Article

Can floor-area-ratio incentive promote low impact development in a highly urbanized area?

Ming Cheng, Huapeng Qin, Kangmao He, Hongliang Xu

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

Hydraulic Pressure Extremes Ratio & Extremes Ratio Efficiencies

Qi Maolin

Journal Article

Controlling interstory drift ratio profiles via topology optimization strategies

Journal Article

Bamboo-like -doped carbon nanotubes encapsulating M(Co, Fe)-Ni alloy for electrochemical production of syngas with potential-independent CO/H ratios

Journal Article

A methodology of implementing target mixing ratio for asphalt mixture

Yucheng HUANG, Lun JI, Rui WEN, Ming ZHANG

Journal Article

Preparation of ceria-zirconia solid solution with enhanced oxygen storage capacity and redox performance

Lijing MENG, Licheng LIU, Xuehong ZI, Hongxing DAI, Hong HE, Zhen ZHAO, Xinping WANG,

Journal Article

Diagnostic evaluation of plasma aldosterone concentration to plasma renin activity ratio in primary aldosteronism

ZHANG Huilan, WANG Daowen

Journal Article

Enhancing the efficiency of nitrogen removing bacterial population to a wide range of C:N ratio (1.5:

Journal Article

Experimental study of structural damage identification based on modal parameters and decay ratio of acceleration

Zhigen WU, Guohua LIU, Zihua ZHANG

Journal Article

The influence of the NCO/OH ratio and the 1,6-hexanediol/dimethylol propionic acid molar ratio on the

Jiao Feng, Qiuhao Lu, Weimin Tan, Kequan Chen, Pingkai Ouyang

Journal Article

Long term performance of recycled concrete beams with different water–cement ratio and recycled aggregate

Jingwei YING; Feiming SU; Shuangren CHEN

Journal Article

Influence of nozzle height to width ratio on ignition and NO

Liutao SUN, Yonghong YAN, Rui SUN, Zhengkang PENG, Chunli XING, Jiangquan WU

Journal Article

Improvement of engine performance with high compression ratio based on knock suppression using Miller

Haiqiao WEI, Jie YU, Lei ZHOU

Journal Article