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Technical studies on high-speed turnouts for china railways

He Huawu

Strategic Study of CAE 2009, Volume 11, Issue 5,   Pages 23-30

Abstract: .), design theories of high-speed turnout, relevant technical requirements as well as innovative achievements

Keywords： high-speed railway     high-speed turnout     technical studies    

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Genome-wide association studies: inherent limitations and future challenges

Yan Du, Jiaxin Xie, Wenjun Chang, Yifang Han, Guangwen Cao

Frontiers of Medicine 2012, Volume 6, Issue 4,   Pages 444-450 doi: 10.1007/s11684-012-0225-3

Abstract:

Genome-wide association studies (GWAS) have achieved great success in identifying genetic variantsDeep sequencing followed by functional studies will be needed to elucidate the underpinning biological

Keywords： genome-wide association studies (GWAS)     genetic variant     cancer     limitation     challenge    

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Genomic and pharmacogenetic studies of childhood acute lymphoblastic leukemia

Ching-Hon Pui

Frontiers of Medicine 2015, Volume 9, Issue 1,   Pages 1-9 doi: 10.1007/s11684-015-0381-3

Abstract:

With the cure rate of childhood acute lymphoblastic leukemia (ALL) approaching 90%, further improvement in the treatment outcome and quality of life of patients will require better understanding of the mechanisms of drug resistance, identifying new leukemic cell genetic lesions that are amendable to available target therapy, and optimizing treatment based on host pharmacodynamics and pharmacogenomics. Deeper characterization of leukemic cell genetic abnormalities has discovered new subtypes of leukemia such as early T-cell precursor ALL and Philadelphia chromosome-like ALL, and identified many genomic alterations that have diagnostic, prognostic, or therapeutic implications. In this regard, several novel fusion transcripts are responsive to ABL tyrosine kinase inhibitors and potentially to JAK inhibitors. Genome-wide analyses have also unraveled the role of inherited cancer predisposing genes and small nucleotide polymorphisms of several genes in the development of childhood ALL. These advances promise to lead to more sophisticated personalized treatment strategies in the near future.

Keywords： pharmacogenomics     acute lymphoblastic leukemia     genomics     pharmacogenetics    

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Pathway to energy technical innovation and commercialization based on Internet plus DES

Huiping LIU

Frontiers in Energy 2016, Volume 10, Issue 1,   Pages 65-78 doi: 10.1007/s11708-015-0391-5

Abstract: key issues for DES deployment were analyzed; five types of potential DES users and five key points of technicalpath implementation proposed based on many years of engineering practices and hundreds of project case studies

Keywords： “Internet Plus”     distributed energy system (DES)     business model     technical innovation     commercialization    

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Family planning technical services in China

Shang-Chun WU

Frontiers of Medicine 2010, Volume 4, Issue 3,   Pages 285-289 doi: 10.1007/s11684-010-0097-3

Abstract: Technical services are the key measures for implementing the family planning policy.Studies’ results have provided scientific evidence for development, introduction, and expansion of contraceptivemethods, and also for establishment and revision of the technical guidelines.Remarkable success has been achieved in improving the quality of technical services.

Keywords： family planning     contraceptive method     service delivery    

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Data quality assessment for studies investigating microplastics and nanoplastics in food products: Are

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1694-0

Abstract:

● Data quality assessment criteria for MP/NPs in food products were developed.

Keywords： Microplastic     Nanoplastic     Food products     Data quality     Human health risk    

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ROUTE DEVELOPMENT, ANTIVIRAL STUDIES, FIELD EVALUATION AND TOXICITY OF AN ANTIVIRAL PLANT PROTECTANT

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 1, doi: 10.15302/J-FASE- 2021390

Abstract: route provides a solid foundation for its large-scale synthesis and subsequent efficacy and toxicity studies

Keywords： antiviral plant protectant / antiviral in the greenhouse / field evaluation / l-trp-NCA / synthesis optimization / toxicity tests    

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Creating technical heritage object replicas in a virtual environment

Olga EGOROVA,Dmitry SHCHERBININ

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 1,   Pages 108-115 doi: 10.1007/s11465-016-0363-4

Abstract:

The paper presents innovative informatics methods for creating virtual technical heritage replicas3D modeling and animation of aircrafts, spaceships, architectural-engineering buildings, and other technical

Keywords： 3D document     history of science and technology     technical knowledge     popularization     virtual environment    

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Experimental studies on extraction of cobalt ions from dilute aqueous solutions by using complexation-ultrafiltration

Jianxian ZENG, Junfeng LIU, Niandong HUANG,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 360-366 doi: 10.1007/s11705-009-0269-3

Abstract: The extraction of cobalt ions from dilute aqueous solutions was investigated by ultrafiltration with the help of poly(acrylic acid) sodium salt (PAASS). Polysulfone and polyethersulfone hollow fiber ultrafiltration membranes were employed in this process. The kinetics of complexation reaction was studied for PAASS with Co. Results showed that, under a large excess of PAASS, it takes 65, 55 and 40 min at pH 5, 6 and 7, respectively, to get the equilibrium of complexation. The reaction kinetics can be described by a pseudo-first-order equation. Then, the effects of various parameters on the extraction of Co were examined in detail. Results indicated that loading ratio, pH value and low-molecular competitive complexing agent affect significantly cobalt rejection coefficient . Furthermore, a concentration experiment was carried out at pH 7. With increasing volume concentration factor, membrane flux declines slowly, and value is always about 1. The concentrated retentate was used further for a decomplexation experiment. The decomplexation ratio of cobalt-PAASS complex reaches as high as 90.1%. After the decomplexation step, a diafiltration experiment was performed at pH 2.5. Cobalt ions can be extracted satisfactorily from the retentate, and a purified PAASS is obtained.
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On Social-technical Control of Safety Development in Economic Transition Background

Xue-qiu He,Song Li

Frontiers of Engineering Management 2015, Volume 2, Issue 3,   Pages 234-240 doi: 10.15302/J-FEM-2015025

Abstract: Industrial safety and economic growth, two vital and inextricable forces affecting national culture and development, are worthy of much more interest and attention than this article can hope to generate. Following economic growth, industrial safety remains as a high priority in this nation’s quest for sustainable development. At present, while China is on its way to transforming its economic structure and growth models, talk of industrial safety appears with special regularity, for it also is undergoing profound changes as an important facet of modern China.

Keywords： safety development     economic growth     economic transition     social-technical control    

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Parameter studies on impact in a lap joint

Amir M. RAHMANI,Elizabeth K. ERVIN

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 1,   Pages 64-77 doi: 10.1007/s11465-014-0322-x

Abstract:

To represent a loose lap joint, a beam impacting four springs with gaps is modeled. Modal analysis with base excitation is solved, and time histories of contact points are closely monitored. Using the impulse during steady state response, six influential parameters are studied: damping ratio, contact stiffness, intermediate contact position, gap, excitation amplitude and beam height. For all parameters, the system response is highly controlled by modes with two contacting springs. Each parameter’s effect on system response is presented including unstable regions, unique trend behaviours result. Recommendations for structural designers are also noted.

Keywords： impact mechanics     contact     joint behaviour     modal analysis     parameter study    

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Simulation studies on metastable phase equilibria in the aqueous ternary systems (NaCl-MgCl

Tianlong DENG, Baojun ZHANG, Dongchan LI, Yafei GUO

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 172-175 doi: 10.1007/s11705-009-0048-1

Abstract: The solubilities and densities of the aqueous metastable ternary systems (NaCl-MgCl -H O) and (KCl-MgCl -H O) at 308.15 K were determined by the isothermal evaporation method. On the basis of the experimental results, the phase diagrams for those systems were plotted. It was found that the former system belongs to the hydrate-I type with one invariant point of (NaCl+ MgCl ?6H O), two univariant curves, and two crystallization regions corresponding to halite (NaCl) and bischofite (MgCl ·6H O); and the latter system belongs to the type of incongruent-double salts with two invariant points of (KCl+ KCl·MgCl ·6H O) and (MgCl ·6H O+ KCl·MgCl ·6H O), three univariant curves, and three crystallization regions corresponding to potassium chloride (KCl), carnallite (KCl·MgCl ·6H O) and bischofite (MgCl ·6H O). No solid solutions were found in both systems.

Keywords： green chemistry     solar pond technique     simulation     metastable phase equilibrium     solubility    

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IMPACTS OF TECHNICAL ENVIRONMENT ON THE ADOPTION OF ORGANIC FERTILIZERS AND BIOPESTICIDES AMONG FARMERS

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 1,   Pages 31-47 doi: 10.15302/J-FASE-2023482

Abstract:

● Farmer adoption of organic fertilizer and biopesticides was found to be positively correlated.

Keywords： biopesticides     green production     organic fertilizer     technical environment    

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Experimental studies on the influence of porosity on membrane absorption process

GAO Jian, REN Zhongqi, ZHANG Zeting, ZHANG Weidong

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 4,   Pages 385-389 doi: 10.1007/s11705-007-0070-0

Abstract: Eight kinds of flat membranes with different micro-structures were chosen to carry out the membrane absorption experiments with CO and de-ionized water or 0.1 mol · L NaOH solution as the experimental system. According to experimental results, the membrane pores shape (stretched pore and cylinder pore) and membrane thickness do not affect the membrane absorption process, and the membrane porosity has only little influence on membrane absorption process for slow mass transfer system. However, the influence of porosity on the membrane absorption process became visible for fast mass transfer system. Moreover, the mass transfer behavior near the membrane surface on liquid side was studied. The results show that the influence of membrane porosity on mass transfer relates to flow condition, absorption system and distance between micro-pores, etc.

Keywords： de-ionized     · L     different     membrane porosity     CO    

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Influences of Technical Innovation Mode on Innovation Strategy of Energy Enterprises

Lu Zhang,Dan-dan Wang,Min Wang,Ning Hui

Frontiers of Engineering Management 2016, Volume 3, Issue 3,   Pages 283-289 doi: 10.15302/J-FEM-2016048

Abstract: Technical innovation is the core for enterprise competence and sustaining.Technical innovation strategy is the policy which the enterprise carries out for technology innovation

Keywords： energy enterprise     technical innovation     innovation strategy    

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Title Author Date Type Operation

Technical studies on high-speed turnouts for china railways

He Huawu

Journal Article

Genome-wide association studies: inherent limitations and future challenges

Yan Du, Jiaxin Xie, Wenjun Chang, Yifang Han, Guangwen Cao

Journal Article

Genomic and pharmacogenetic studies of childhood acute lymphoblastic leukemia

Ching-Hon Pui

Journal Article

Pathway to energy technical innovation and commercialization based on Internet plus DES

Huiping LIU

Journal Article

Family planning technical services in China

Shang-Chun WU

Journal Article

Data quality assessment for studies investigating microplastics and nanoplastics in food products: Are

Journal Article

ROUTE DEVELOPMENT, ANTIVIRAL STUDIES, FIELD EVALUATION AND TOXICITY OF AN ANTIVIRAL PLANT PROTECTANT

Journal Article

Creating technical heritage object replicas in a virtual environment

Olga EGOROVA,Dmitry SHCHERBININ

Journal Article

Experimental studies on extraction of cobalt ions from dilute aqueous solutions by using complexation-ultrafiltration

Jianxian ZENG, Junfeng LIU, Niandong HUANG,

Journal Article

On Social-technical Control of Safety Development in Economic Transition Background

Xue-qiu He,Song Li

Journal Article

Parameter studies on impact in a lap joint

Amir M. RAHMANI,Elizabeth K. ERVIN

Journal Article

Simulation studies on metastable phase equilibria in the aqueous ternary systems (NaCl-MgCl

Tianlong DENG, Baojun ZHANG, Dongchan LI, Yafei GUO

Journal Article

IMPACTS OF TECHNICAL ENVIRONMENT ON THE ADOPTION OF ORGANIC FERTILIZERS AND BIOPESTICIDES AMONG FARMERS

Journal Article

Experimental studies on the influence of porosity on membrane absorption process

GAO Jian, REN Zhongqi, ZHANG Zeting, ZHANG Weidong

Journal Article

Influences of Technical Innovation Mode on Innovation Strategy of Energy Enterprises

Lu Zhang,Dan-dan Wang,Min Wang,Ning Hui

Journal Article