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New Development of Double Glow Plasma Surface Metallurgy Technology

Xu Zhong,Zhang Gaohui,Zhang Pingze,Zhang Yanmei,Chi Chengzhong,Yuan Qinglong

Strategic Study of CAE 2005, Volume 7, Issue 6,   Pages 73-78

Abstract: Co - W - Mo - Fe age-hardened high speed steel and high Cr alloy have been formed on the surface of carbon

Keywords： metallurgy     double glow plasma surface alloying     burn resistant titanium alloy     hydrogen-free carburizing     age-hardening    

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Development trend of urban design in “digital age”: Pan-dimensionality and individual-ubiquity

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 569-575 doi: 10.1007/s11709-021-0735-7

Abstract: The wave of “digital age” featuring digital information is coming.

Keywords： digital age     urban design     multiple objectives     human-computer interaction     pan-dimensionality     individual-ubiquity    

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Cell-free systems in the new age of synthetic biology

Fernando Villarreal,Cheemeng Tan

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 1,   Pages 58-65 doi: 10.1007/s11705-017-1610-x

Abstract: The advent of synthetic biology has ushered in new applications of cell-free transcription-translation systems. These cell-free systems are reconstituted using cellular proteins, and are amenable to modular control of their composition. Here, we discuss the historical advancement of cell-free systems, as well as their new applications in the rapid design of synthetic genetic circuits and components, directed evolution of biomolecules, diagnosis of infectious diseases, and synthesis of vaccines. Finally, we present our vision on the future direction of cell-free synthetic biology.

Keywords： cell-free system     application    

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Strengthening of the concrete face slabs of dams using sprayable strain-hardening fiber-reinforced cementitious

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 2,   Pages 145-160 doi: 10.1007/s11709-022-0806-4

Abstract: In this study, sprayable strain-hardening fiber-reinforced cementitious composites (FRCC) were appliedThe findings of this study indicate that the sprayable strain-hardening FRCC has a good potential for

Keywords： strain-hardening cementitious composites     engineered cementitious composites     sprayable     shotcrete     strengthening    

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Opportunities and challenges for a Golden Age of chemical engineering

Phillip R. WESTMORELAND

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 1,   Pages 1-7 doi: 10.1007/s11705-014-1416-z

Abstract: Chemical engineering is entering a new Golden Age of practice, thought, and impact, accompanied by great

Keywords： hydrocarbons     biotechnology     computation     cyberinfrastructure     manufacturing     environmental    

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Printability and hardening performance of three-dimensionally-printed geopolymer based on lunar regolith

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0003-0

Abstract: The mechanical properties of the hardening geopolymer with different filling paths and loading directions

Keywords： geopolymer     lunar regolith simulant     3D printing     rheology     printability    

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Seismic analysis of steel structures considering damage cumulation

SHEN Zuyan, WU Aihui

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 1,   Pages 1-11 doi: 10.1007/s11709-007-0001-7

Abstract: damage cumulation hysteretic model incorporating the deterioration of stiffness, strength and strain hardening

Keywords： hardening     regression analysis     computer program     cumulation hysteretic     strength    

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Age-related trends in genetic parameters for wood properties in

Chao SUN, Meng LAI, Shougong ZHANG, Xiaomei SUN

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 4,   Pages 482-492 doi: 10.15302/J-FASE-2017184

Abstract: We observed that age-related trends in overall means varied for different traits: MFA decreased withthe age, while the others generally increased with the age.After the age of 6, genetic correlations were generally higher than phenotypic correlations.Estimates of early selection efficiency suggested that the optimal selection age for wood density wasat age 5–6 years, while it was 9–10 years for the other traits.

Keywords： early selection     genetic variation     wood properties     SilviScan     Larix kaempferi    

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Epidemiological studies of women under age 30 infected with human papillomavirus

Zhihua LIU MD, Qing LI BM, Weihong LI BM,

Frontiers of Medicine 2009, Volume 3, Issue 4,   Pages 459-462 doi: 10.1007/s11684-009-0084-8

Abstract: cases from the education system in Futian District, Shenzhen city, from April 2006 to April 2008, with ageIn the 22―29-year-old age group, there were 291 cases, including 39HPV-positive cases (The HPV-positive rate of 22―29-year-old age group was higher than that of 30―60-year-oldThe cases in 30―60-year-old age group were divided into five age sub-groups, and the HPV-positivegroup and the 35―39-year-old age group (2.26%), and between 22―29-year-old age group and

Keywords： cervical cancer     human papilloma virus     cervical intraepithelial neoplasia    

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Comparison of surgical indications for hysterectomy by age and approach in 4653 Chinese women

Jingjing Jiang,Ting Ding,Aiyue Luo,Yunping Lu,Ding Ma,Shixuan Wang

Frontiers of Medicine 2014, Volume 8, Issue 4,   Pages 464-470 doi: 10.1007/s11684-014-0338-y

Abstract: The aim of this study was to examine the surgical indications for hysterectomy in different age groupsThe most common indications by age groups were as follows: malignant ovarian tumour,<20 years; malignantThe proportion of malignant aetiology also varied by age, being the highest in women aged<20 yearsBoth the surgical indications and the rates of bilateral oophorectomy varied by age.

Keywords： hysterectomy     surgical indications     surgical approach     bilateral oophorectomy    

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Study on Air Age and Evaluation of Ventilation Validity of Heading Face

Wang Haiqiao,Tian Feng,Huang Junxin,Chen Tao

Strategic Study of CAE 2007, Volume 9, Issue 11,   Pages 43-47

Abstract: characteristics of workspace in heading face,  this paper gives the definition of partial air ageand average air age,  and their models for calculating. Tracer gas method was used to menstruate the average air age,  and numerical simulation hasbeen used to calculate the ventilation airfield of restricted wall-attached jet and average air age,  and to air quality are air age and pollutant concentration.

Keywords： heading face     average air age     ventilation validity     air exchange efficiency     ventilation efficiency    

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The status of contraceptive methods uses among women at reproductive age of migrants from different races

Zhang Junxian,Yang Ting,Xu Xiaofan,Long Chunyan,Liu Jiansu,Li Li

Strategic Study of CAE 2015, Volume 17, Issue 6,   Pages 57-60

Abstract:

Objectives: To understand the status of contraception use among women at reproductive age of migrantssexual life were the influencing factors of contraceptive method use of female migrants at reproductive age

Keywords： floating women at reproductive age     contraceptive methods     using status    

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Ancient road transport devices: Developments from the Bronze Age to the Roman Empire

Cesare ROSSI,Thomas G. CHONDROS,Kypros F. MILIDONIS,Sergio SAVINO,Flavio RUSSO

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 1,   Pages 12-25 doi: 10.1007/s11465-015-0358-6

Abstract: Wooden vehicles pulled by animals have been used for land transportation since the early Bronze Age.

Keywords： transportation     wheel     spoke     cart     axle     bearing    

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Analysis on reasons of unwanted pregnancy by women of child-bearing age and its strategies

Wang Daiquan,Liu Changyan,Xiang Qiong and Ma Daici

Strategic Study of CAE 2014, Volume 16, Issue 5,   Pages 11-15

Abstract: Among 1 360 cases of unwanted pregnancy，21.62 % are unmarried，78.38 % are married；age distribution ranges

Keywords： women of child-bearing age     unwanted pregnancy     induced abortion     influencing factor    

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Stress-strain relationship with soil structural parameters of collapse loess

SHAO Shengjun, LONG Jiyong, YU Qinggao

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 2,   Pages 151-160 doi: 10.1007/s11709-008-0020-z

Abstract: constitutive model is established to reflect the variation in loess structure, stress-strain softening and hardening

Keywords： hardening     shearing expansion     unsaturated     structural property     mathematical expression    

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Title Author Date Type Operation

New Development of Double Glow Plasma Surface Metallurgy Technology

Xu Zhong,Zhang Gaohui,Zhang Pingze,Zhang Yanmei,Chi Chengzhong,Yuan Qinglong

Journal Article

Development trend of urban design in “digital age”: Pan-dimensionality and individual-ubiquity

Journal Article

Cell-free systems in the new age of synthetic biology

Fernando Villarreal,Cheemeng Tan

Journal Article

Strengthening of the concrete face slabs of dams using sprayable strain-hardening fiber-reinforced cementitious

Journal Article

Opportunities and challenges for a Golden Age of chemical engineering

Phillip R. WESTMORELAND

Journal Article

Printability and hardening performance of three-dimensionally-printed geopolymer based on lunar regolith

Journal Article

Seismic analysis of steel structures considering damage cumulation

SHEN Zuyan, WU Aihui

Journal Article

Age-related trends in genetic parameters for wood properties in

Chao SUN, Meng LAI, Shougong ZHANG, Xiaomei SUN

Journal Article

Epidemiological studies of women under age 30 infected with human papillomavirus

Zhihua LIU MD, Qing LI BM, Weihong LI BM,

Journal Article

Comparison of surgical indications for hysterectomy by age and approach in 4653 Chinese women

Jingjing Jiang,Ting Ding,Aiyue Luo,Yunping Lu,Ding Ma,Shixuan Wang

Journal Article

Study on Air Age and Evaluation of Ventilation Validity of Heading Face

Wang Haiqiao,Tian Feng,Huang Junxin,Chen Tao

Journal Article

The status of contraceptive methods uses among women at reproductive age of migrants from different races

Zhang Junxian,Yang Ting,Xu Xiaofan,Long Chunyan,Liu Jiansu,Li Li

Journal Article

Ancient road transport devices: Developments from the Bronze Age to the Roman Empire

Cesare ROSSI,Thomas G. CHONDROS,Kypros F. MILIDONIS,Sergio SAVINO,Flavio RUSSO

Journal Article

Analysis on reasons of unwanted pregnancy by women of child-bearing age and its strategies

Wang Daiquan,Liu Changyan,Xiang Qiong and Ma Daici

Journal Article

Stress-strain relationship with soil structural parameters of collapse loess

SHAO Shengjun, LONG Jiyong, YU Qinggao

Journal Article