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Microwave－Optical Frequency Standards at NIM：Realizing of Definition of Metre and Second

Li Tianchun

Strategic Study of CAE 2007, Volume 9, Issue 6,   Pages 27-31

Abstract: length unit meter using a femto-second (FS) optical frequency comb and calibration of wavelengths of stabilized The function,  significance of Cs fountain clock, stabilized lasers,  optical comb and

Keywords： metrology     frequency standard     stabilized laser     Cs fountain clock     FS optical comb    

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Mechanical properties of stabilized artificial organic soil

XU Riqing, GUO Yin, LIU Zengyong

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 2,   Pages 161-165 doi: 10.1007/s11709-008-0023-9

Abstract: In order to study the influence of organic matter on the mechanical properties of stabilized soil andTest results indicated that the strength of stabilized soil decreased in the form of a logarithmic functionThe strength of cement stabilized organic soil was reinforced greatly by adding the stabilizer XGL2005the content of the cement, the organic matter content and the stabilization agent on the strength of stabilized

Keywords： compressive strength     stabilized     stabilization     regression analysis     stabilizer XGL2005    

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Biopolymer-stabilized emulsions on the basis of interactions between β -lactoglobulin and ι -carrageenan

Qiaomei RU, Younghee CHO, Qingrong HUANG,

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 4,   Pages 399-406 doi: 10.1007/s11705-009-0253-y

Abstract: -Carrageenan and -lactoglobulin (-lg) stabilized oil-in-water (O/W) emulsions, which can be used forWe found that -lactoglobulin and-carrageenan stabilized emulsions can be formed at pH values of 6.0,However, the microstructures of emulsions stabilized by -lactoglobulin and -carrageenan was identified
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High-precision gyro-stabilized control of a gear-driven platform with a floating gear tension device

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 487-503 doi: 10.1007/s11465-021-0635-5

Abstract: control algorithm that substantially enhances the anti-disturbance performance of a gear-drive gyro-stabilized

Keywords： inertially stabilized platform     floating gear tension device     nonlinear friction     disturbance compensation    

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Characteristics of the stabilized/solidified municipal solid wastes incineration fly ash and the leaching

Yan SHAO,Haobo HOU,Guangxing WANG,Sha WAN,Min ZHOU

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 192-200 doi: 10.1007/s11783-014-0719-0

Abstract: The characteristics of the stabilized/solidified fly ash, including metal leachability, mineralogicalThe stabilized/solidified fly ash shows a dense and homogeneous microstructure.

Keywords： municipal solid waste incineration (MSWI) fly ash     blast furnace slag     leaching behavior     Cr     Pb    

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Remediation of soil and groundwater contaminated with organic chemicals using stabilized nanoparticles

Zhengqing Cai, Xiao Zhao, Jun Duan, Dongye Zhao, Zhi Dang, Zhang Lin

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 5, doi: 10.1007/s11783-020-1263-8

Abstract: Abstract ▪ Overviewed evolution and environmental applications of stabilized nanoparticles. ▪ Reviewedfor enhanced reactivity/deliverability. ▪ Examined various in situ remediation technologies based on stabilizedkey knowledge gaps and future research needs on stabilized nanoparticles.Due to improved soil deliverability and high reactivity, stabilized nanoparticles have been studied forapplications; and 5) identify the knowledge gaps and future research needs pertaining to stabilized

Keywords： Stabilized nanoparticle     In-situ remediation     Organic contaminant     Soil remediation     Groundwater     Fate    

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Effect of polymer structures on electro-optical properties of polymer stabilized liquid crystal films

WANG Shoulian, HE Jie, ZENG Yu, YAN Bin, WANG Yinghan

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 265-268 doi: 10.1007/s11705-008-0054-8

Abstract: The polymer stabilized liquid crystal (PSLC) film is a relatively novel electro-optical material, which
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Structural characteristics of cement-stabilized soil bases with 3D finite element method

Yunfeng PENG, Yunlong HE,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 428-434 doi: 10.1007/s11709-009-0059-5

Abstract: Cement-stabilized soil bases have been widely used in expressways due to its high strength, appropriateSo far, the structural characteristics and mechanical behaviors of cement-stabilized soil bases weremethod (FEM) was used to analyze the mechanical behaviors and structural characteristics of cement-stabilizedConsidering the construction process, the structural characteristics and mechanical behaviors of cement-stabilizedFurthermore, the general rules of deformations and stresses in cement-stabilized soil bases under different

Keywords： different     strength     asphalt-concrete pavement     FEM     appropriate stiffness    

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Unconfined compressive strength prediction of soils stabilized using artificial neural networks and support

Alireza TABARSA, Nima LATIFI, Abdolreza OSOULI, Younes BAGHERI

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 520-536 doi: 10.1007/s11709-021-0689-9

Abstract: unconfined compressive strength of soils using additives as well as by predicting the strength behavior of stabilizedThe soils used in this study are stabilized using various combinations of cement, lime, and rice husk

Keywords： unconfined compressive strength     artificial neural network     support vector machine     predictive models     regression    

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Development of Laser Cutting and Joining Processing

Chen Li, Gong Shuili, He Enguang

Strategic Study of CAE 2020, Volume 22, Issue 3,   Pages 78-84 doi: 10.15302/J-SSCAE-2020.03.012

Abstract:

Laser cutting and joining technology is indispensable as an advancedbe surely promoted by the integration of laser technology and digital manufacturing technology.joining and cutting technology, namely, laser welding, laser cutting, laser drilling, and laser markingThe problems faced by the development of the laser joining and cutting technology are discussed.unit, laser materials processing, and intelligent integration.

Keywords： laser material processing     laser welding     laser cutting     laser drilling     laser marking    

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hydrogenation of halogenated nitrobenzenes over metal–organic-framework-derived ultra-dispersed Ni stabilized

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1782-1792 doi: 10.1007/s11705-022-2220-9

Abstract: Ultra-dispersed Ni nanoparticles (7.5 nm) on nitrogen-doped carbon nanoneedles (Ni@NCNs) were prepared by simple pyrolysis of Ni-based metal–organic-framework for selective hydrogenation of halogenated nitrobenzenes to corresponding anilines. Two different crystallization methods (stirring and static) were compared and the optimal pyrolysis temperature was explored. Ni@NCNs were systematically characterized by wide analytical techniques. In the hydrogenation of p-chloronitrobenzene, Ni@NCNs-600 (pyrolyzed at 600 °C) exhibited extraordinarily high performance with 77.9 h–1 catalytic productivity and > 99% p-chloroaniline selectivity at full p-chloronitrobenzene conversion under mild conditions (90 °C, 1.5 MPa H2), showing obvious superiority compared with reported Ni-based catalysts. Notably, the reaction smoothly proceeded at room temperature with full conversion and > 99% selectivity. Moreover, Ni@NCNs-600 afforded good tolerance to various nitroarenes substituted by sensitive groups (halogen, nitrile, keto, carboxylic, etc.), and could be easily recycled by magnetic separation and reused for 5 times without deactivation. The adsorption tests showed that the preferential adsorption of –NO2 on the catalyst can restrain the dehalogenation of p-chloronitrobenzene, thus achieving high p-chloroaniline selectivity. While the high activity can be attributed to high Ni dispersion, special morphology, and rich pore structure of the catalyst.

Keywords： halogenated nitrobenzenes     room-temperature hydrogenation     Ni nanoparticles     nitrogen-doped carbon nanoneedles     metal–organic-framework    

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Crushed rocks stabilized with organosilane and lignosulfonate in pavement unbound layers: Repeated load

Diego Maria BARBIERI, Inge HOFF, Chun-Hsing HO

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 412-424 doi: 10.1007/s11709-021-0700-5

Abstract: The creation of the new “Ferry-Free Coastal Highway Route E39” in southwest Norway entails the production of a remarkable quantity of crushed rocks. These resources could be beneficially employed as aggregates in the unbound courses of the highway itself or other road pavements present nearby. Two innovative stabilizing agents, organosilane and lignosulfonate, can significantly enhance the key properties, namely, resilient modulus and resistance against permanent deformation, of the aggregates that are excessively weak in their natural state. The beneficial effect offered by the additives was thoroughly evaluated by performing repeated load triaxial tests. The study adopted the most common numerical models to describe these two key mechanical properties. The increase in the resilient modulus and reduction in the accumulated vertical permanent deformation show the beneficial impact of the additives. Furthermore, a finite element model was created to simulate the repeated load triaxial test by implementing nonlinear elastic and plastic constitutive relationships.

Keywords： organosilane     lignosulfonate     crushed rocks     pavement unbound layers     repeated load triaxial test     finite element analysis    

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Temperature field simulation of laser homogenizing equipment

Juanjuan WANG, Yunshan WANG, Fudong ZHU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 49-52 doi: 10.1007/s11465-009-0005-1

Abstract: The laser homogenizing equipment was devised using the ring scanning principle.A laser scanning ring facula is obtained when the laser beam goes through the equipment’s optical systemhardness layer and better process quality can be attained using the ring facula optimized for metal laser

Keywords： laser homogenizing technology     laser scanning ring facula     temperature field    

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Modeling of unconfined compressive strength of soil-RAP blend stabilized with Portland cement using multivariate

Ali Reza GHANIZADEH, Morteza RAHROVAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 787-799 doi: 10.1007/s11709-019-0516-8

Abstract: reclamation (FDR) method is a mixture of coarse aggregates and reclaimed asphalt pavement (RAP) which is stabilizeddesign and quality control of the final product in FDR method, the unconfined compressive strength of stabilizeddevelop a mathematical model for predicting the unconfined compressive strength (UCS) of soil-RAP blend stabilizedTo this end, two different aggregate materials were mixed with different percentages of RAP and then stabilizedresults demonstrate that MARS has a great ability for prediction of the UCS in case of soil-RAP blend stabilized

Keywords： full-depth reclamation     soil-reclaimed asphalt pavement blend     Portland cement     unconfined compressive strength     multivariate adaptive regression spline    

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Strategic Research on China’s Laser Technology and Its Application by 2035

Research Group of Strategic Research on China’s Laser Technology and Its Application by 2035

Strategic Study of CAE 2020, Volume 22, Issue 3,   Pages 1-6 doi: 10.15302/J-SSCAE-2020.03.001

Abstract:

To promote the development of laser technology and its application, theAcademy of Engineering launched a major consulting project “Strategic Research on China’s LaserIt briefly analyzes laser technology and its instrumental, leading, and disruptive role in scientificinnovation ecology of laser industry.cultivation of the laser and optical disciplines.

Keywords： laser technology，laser manufacturing，laser communication，laser diagnosis and treatment    

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Title Author Date Type Operation

Microwave－Optical Frequency Standards at NIM：Realizing of Definition of Metre and Second

Li Tianchun

Journal Article

Mechanical properties of stabilized artificial organic soil

XU Riqing, GUO Yin, LIU Zengyong

Journal Article

Biopolymer-stabilized emulsions on the basis of interactions between β -lactoglobulin and ι -carrageenan

Qiaomei RU, Younghee CHO, Qingrong HUANG,

Journal Article

High-precision gyro-stabilized control of a gear-driven platform with a floating gear tension device

Journal Article

Characteristics of the stabilized/solidified municipal solid wastes incineration fly ash and the leaching

Yan SHAO,Haobo HOU,Guangxing WANG,Sha WAN,Min ZHOU

Journal Article

Remediation of soil and groundwater contaminated with organic chemicals using stabilized nanoparticles

Zhengqing Cai, Xiao Zhao, Jun Duan, Dongye Zhao, Zhi Dang, Zhang Lin

Journal Article

Effect of polymer structures on electro-optical properties of polymer stabilized liquid crystal films

WANG Shoulian, HE Jie, ZENG Yu, YAN Bin, WANG Yinghan

Journal Article

Structural characteristics of cement-stabilized soil bases with 3D finite element method

Yunfeng PENG, Yunlong HE,

Journal Article

Unconfined compressive strength prediction of soils stabilized using artificial neural networks and support

Alireza TABARSA, Nima LATIFI, Abdolreza OSOULI, Younes BAGHERI

Journal Article

Development of Laser Cutting and Joining Processing

Chen Li, Gong Shuili, He Enguang

Journal Article

hydrogenation of halogenated nitrobenzenes over metal–organic-framework-derived ultra-dispersed Ni stabilized

Journal Article

Crushed rocks stabilized with organosilane and lignosulfonate in pavement unbound layers: Repeated load

Diego Maria BARBIERI, Inge HOFF, Chun-Hsing HO

Journal Article

Temperature field simulation of laser homogenizing equipment

Juanjuan WANG, Yunshan WANG, Fudong ZHU

Journal Article

Modeling of unconfined compressive strength of soil-RAP blend stabilized with Portland cement using multivariate

Ali Reza GHANIZADEH, Morteza RAHROVAN

Journal Article

Strategic Research on China’s Laser Technology and Its Application by 2035

Research Group of Strategic Research on China’s Laser Technology and Its Application by 2035

Journal Article