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Structure creation in earthen construction materials: information from dry soil mixtures

Christopher BECKETT, Charles AUGARDE

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 2,   Pages 151-159 doi: 10.1007/s11709-011-0109-7

Abstract: There is increasing interest in the use of earthen construction materials, such as rammed earth, due to their inherent sustainability. These materials have been used by man for thousands of years and some of the earliest examples can be found in China. Features of the structures of these materials arise from the means of production. In particular, in situ earthen construction materials exhibit strong anisotropy due to their layered nature. A more subtle structure effect arises from the way that the earth mixture is deposited. This paper reviews and discusses stratification effects in dry soil mixtures, including some original experimental work, and indicates some links between the features of the dry mixtures and earthen construction materials. Improved understanding of the physical processes in play will allow more accurate specification of these materials in the future, and hence spread their use.

Keywords： rammed earth     stratification     particle size distribution     pore size distribution    

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Self-propelled automatic chassis of Lunokhod-1: History of creation in episodes

Mikhail MALENKOV

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 1,   Pages 60-86 doi: 10.1007/s11465-016-0370-5

Abstract:

This report reviews the most important episodes in the history of designing the self-propelled automatic chassis of the first mobile extraterrestrial vehicle in the world, Lunokhod-1. The review considers the issues in designing moon rovers, their essential features, and the particular construction properties of their systems, mechanisms, units, and assemblies. It presents the results of exploiting the chassis of Lunokhod-1 and Lunokhod-2. Analysis of the approaches utilized and engineering solutions reveals their value as well as the consequences of certain defects.

Keywords： moon rover     self-propelled chassis     propulsion     wheel     suspension     soil properties     cross-country ability    

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State-owned companies can become the mainstay of spontaneous creation

Gu Dazhao

Strategic Study of CAE 2008, Volume 10, Issue 10,   Pages 9-13

Abstract: conclusion that the state-owned companies are able to lead by becoming the mainstay of spontaneous creationenthusiasm of companies, technology managers and research and development staff of companies for technical creationCombined the successful experience of the Shenhua Group, a new model of company spontaneous creation

Keywords： state-owned company     technical creation     resource integration    

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Molecular regulation and genetic improvement of seed oil content in

Wei HUA,Jing LIU,Hanzhong WANG

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 3,   Pages 186-194 doi: 10.15302/J-FASE-2016107

Abstract: crop, L. is becoming a model plant for basic research on seed lipid biosynthesis as well as seed oil contentIn this review, we present current progress in understanding of the regulation of oil content in , includingFurthermore, the history of breeding for high oil content in is summarized and the progress in breedingultra-high oil content lines is described.Finally, prospects for breeding high oil content cultivars are outlined.

Keywords： breeding     maternal effects     oilseed rape     QTL    

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Comparison of analytical procedures for measuring phosphorus content of animal manures in China

Guohua LI, Qian LIU, Haigang LI, Fusuo ZHANG

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 4,   Pages 431-440 doi: 10.15302/J-FASE-2019279

Abstract:

The concentration and components of manure phosphorus (P) are key factors determining potential P bioavailability and runoff. The distribution of P forms in swine, poultry and cattle manures collected from intensive and extensive production systems in several areas of China was investigated with sequential fractionation and a simplified two-step (NaHCO -NaOH/EDTA) procedures. The mean total P concentration, determined by the sequential fractionation procedure of intensive swine, poultry and cattle manure, expressed as g·kg , was 14.9, 13.4 and 5.8 g·kg , respectively, and 4.4 g·kg in extensive cattle manure. In intensive swine, poultry and cattle manure about 73%, 74% and 79% of total P, respectively, was bioavailable (i.e., P extracted by H O and NaHCO ) and 78% in extensive cattle manure. The results indicated the relative environmental risk, from high to low, of swine, poultry and cattle manure. There is considerable regional variation in animal manure P across China, which needs to be considered when developing manure management strategies.

Keywords： diet phosphorus     manure phosphorus     sequential P fractionation    

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Chloride binding and time-dependent surface chloride content models for fly ash concrete

S. MUTHULINGAM,B. N. RAO

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 112-120 doi: 10.1007/s11709-015-0322-x

Abstract: study proposes two chloride ingress parameter models for fly ash concrete, namely: 1) surface chloride contentFirst, inconsistencies in surface chloride content and chloride binding models reported in literatureSecondly, to avoid such inconsistencies, surface chloride content and chloride binding models for fly

Keywords： binding isotherms     chloride ingress     concrete     fly ash     surface chloride content    

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Integration of VR with BIM to facilitate real-time creation of bill of quantities during the design phase

Jordan DAVIDSON, John FOWLER, Charalampos PANTAZIS, Massimo SANNINO, Jordan WALKER, Moslem SHEIKHKHOSHKAR, Farzad Pour RAHIMIAN

Frontiers of Engineering Management 2020, Volume 7, Issue 3,   Pages 396-403 doi: 10.1007/s42524-019-0039-y

Abstract: As building practices change, procedures that seemed indispensable at one point can be abandoned for others, one example of which is the bill of quantities (B/Q). Research into the extant literature attributes the declining use of B/Qs to a multitude of reasons, such as its complexity, the potentially long time required to produce it, the growth in popularity of non-traditional procurement systems, and the challenge of using the information within the document in a construction schedule. With these issues in mind, building information modeling (BIM) and virtual reality (VR) are combined and proposed as a potential solution that allows inclusion of the client into the design process. Following a literature review and precedent study, an experiment was carried out using this new process to simulate a client’s design decisions on window and interior furnishings. The choices made by the client using VR automatically updated a B/Q schedule built in Revit and allowed them to have a firm understanding of project costs. Besides giving the client more confidence in a pleasing final outcome, the technology also ensured an up-to-date, accurate, and easily understandable B/Q. The proposed method features great potential savings in cost and time and gives the B/Q a newfound importance in future construction processes. The research case presented in this paper is a stepping stone in exploring new opportunities offered by VR and BIM and how they could improve the reliability and accuracy of traditional procurement within construction, specifically within the B/Q document.

Keywords： virtual reality     bill of quantities     BIM     Revit     real-time synchronisation    

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Microbial fuel cell with high content solid wastes as substrates: a review

Qingliang Zhao,Hang Yu,Weixian Zhang,Felix Tetteh Kabutey,Junqiu Jiang,Yunshu Zhang,Kun Wang,Jing Ding

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 2, doi: 10.1007/s11783-017-0918-6

Abstract: the increasing concern about the serious global energy crisis and high energy consumption during high content

Keywords： Microbial fuel cell     High content solid wastes     Substrate     Bioremediation     Biosensor    

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Inheritance and Innovation of Engineering Management Informatization

Kai Sun,Ren-huai Liu

Frontiers of Engineering Management 2014, Volume 1, Issue 1,   Pages 76-82 doi: 10.15302/J-FEM-2014014

Abstract: In the life-cycle of large projects, the operational phase lasts the longest, costs the most and substantially benefits the project. During the whole phase, energy, material and human resources may cost a lot. Effective control of such costs is one of the main targets of engineering management informatization. How to lower the organization collaboration cost in project management and how to support effective collaboration among different areas, organizations and departments in the ways of technology and management are major goals in engineering management informatization. In the phase of project operation, project owners, partners and customers are the stakeholders of engineering management informatization. Through the case of airport management informatization, inherited and innovation of engineering management informatization will be discussed. It is illustrated that airport informatization is the innovation of business model and technology applications through the analysis and study on cases of airport informatization.

Keywords： engineering management     informatization     inter-organizational relationship     management creation     resource    

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On Creativity Thinking

Feng Guorui

Strategic Study of CAE 2004, Volume 6, Issue 6,   Pages 15-21

Abstract:

The thesis expounds the relation and distinction between innovation and creation.

Keywords： innovation     creation     creativity thinking     thinking subject     thinking object    

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IT applications in land resources management: from content management to knowledge management

Guo Renzhong

Strategic Study of CAE 2009, Volume 11, Issue 10,   Pages 67-71

Abstract:

This paper firstly reviews the development of IT applications in land resource management, describes the relevant progresses in detail, then it summarizes the relationship between knowledge management and the IT applications, which is based on the analysis of the application characteristics. It points out that the new development of stage and direction is the use of knowledge management in the IT applications for land resource management. At the end of this paper, it preliminarily plans major tasks for the construction of land resource knowledge engineering.

Keywords： land resources     IT pplication     content management     knowledge management    

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Lignin-based polymer with high phenolic hydroxyl group content prepared by the alkyl chain bridging method

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8,   Pages 1075-1084 doi: 10.1007/s11705-022-2272-x

Abstract: Inspired by the importance of the phenolic group to the electron transporting property of hole transport materials, phenolic hydroxyl groups were introduced in lignosulfonate (LS) via the alkyl chain bridging method to prepare phenolated-lignosulfonate (PLS). The results showed that the phenolic group was boosted from 0.81 mmol∙g–1 of LS to 1.19 mmol∙g–1 of PLS. The electrochemical property results showed two oxidation peaks in the cyclic voltammogram (CV) curve of PLS, and the oxidation potential of the PLS-modified electrode decreased by 0.5 eV compared with that of LS. This result indicates that PLS is more easily oxidized than LS. Based on the excellent electron transporting property of PLS, PLS was applied as a dopant in poly(3,4-ethylenedioxythiophene) (PEDOT, called PEDOT:PLSs). PLS showed excellent dispersion properties for PEDOT. Moreover, the transmittance measurement results showed that the transmittance of PEDOT:PLSs exceeded 85% in the range of 300–800 nm. The CV results showed that the energy levels of PEDOT:PLSs could be flexibly adjusted by PLS amounts. The results indicate that the phenolic hydroxyl group of lignin can be easily boosted by the alkyl chain bridging method, and phenolated lignin-based polymers may have promising potential as dopants of PEDOT to produce hole transporting materials for different organic photovoltaic devices.

Keywords： lignosulfonate     phenolic group     PEDOT:PLS     hole extract layer     energy level    

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Effect of natural pozzolan content on the properties of engineered cementitious composites as repair

Said CHOUCHA, Amar BENYAHIA, Mohamed GHRICI, Mohamed Said MANSOUR

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 261-269 doi: 10.1007/s11709-017-0394-x

Abstract:

In order to determine the effect of Natural Pozzolan (NP) content on the mechanical properties and

Keywords： natural pozzolan     engineered cementitious composites     mechanical strengths     elastic modulus     capillary absorption     drying shrinkage    

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Intelligent design ofmultimedia content in Alibaba Special Feature on Intelligent Design

Kui-long LIU, Wei LI, Chang-yuan YANG, Guang YANG

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 12,   Pages 1657-1664 doi: 10.1631/FITEE.1900580

Abstract: Multimedia content is an integral part of Alibaba’s business ecosystem and is in great demand.The production of multimedia content usually requires high technology and much money., many AI auxiliary tools for the production of multimedia content have emerged and become more and moreThe value brought by multimedia content design combined with AI technology has been well verified inThe application prospects of the combination of multimedia content design and AI are also indicated.

Keywords： Multimedia content     Alibaba     Artificial intelligence     Design     Business application    

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Dual-Meta Network Architecture Driven by Content and Address

Yang Peng, Liu Xuan, Li Youping

Strategic Study of CAE 2022, Volume 24, Issue 4,   Pages 22-31 doi: 10.15302/J-SSCAE-2022.04.003

Abstract: content label are introduced.content.for content generators.The content routing layer accesses content based on the UCL.content security problems.

Keywords： address-driven     content-centric     Internet architecture     dual-meta network     uniform content label    

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Title Author Date Type Operation

Structure creation in earthen construction materials: information from dry soil mixtures

Christopher BECKETT, Charles AUGARDE

Journal Article

Self-propelled automatic chassis of Lunokhod-1: History of creation in episodes

Mikhail MALENKOV

Journal Article

State-owned companies can become the mainstay of spontaneous creation

Gu Dazhao

Journal Article

Molecular regulation and genetic improvement of seed oil content in

Wei HUA,Jing LIU,Hanzhong WANG

Journal Article

Comparison of analytical procedures for measuring phosphorus content of animal manures in China

Guohua LI, Qian LIU, Haigang LI, Fusuo ZHANG

Journal Article

Chloride binding and time-dependent surface chloride content models for fly ash concrete

S. MUTHULINGAM,B. N. RAO

Journal Article

Integration of VR with BIM to facilitate real-time creation of bill of quantities during the design phase

Jordan DAVIDSON, John FOWLER, Charalampos PANTAZIS, Massimo SANNINO, Jordan WALKER, Moslem SHEIKHKHOSHKAR, Farzad Pour RAHIMIAN

Journal Article

Microbial fuel cell with high content solid wastes as substrates: a review

Qingliang Zhao,Hang Yu,Weixian Zhang,Felix Tetteh Kabutey,Junqiu Jiang,Yunshu Zhang,Kun Wang,Jing Ding

Journal Article

Inheritance and Innovation of Engineering Management Informatization

Kai Sun,Ren-huai Liu

Journal Article

On Creativity Thinking

Feng Guorui

Journal Article

IT applications in land resources management: from content management to knowledge management

Guo Renzhong

Journal Article

Lignin-based polymer with high phenolic hydroxyl group content prepared by the alkyl chain bridging method

Journal Article

Effect of natural pozzolan content on the properties of engineered cementitious composites as repair

Said CHOUCHA, Amar BENYAHIA, Mohamed GHRICI, Mohamed Said MANSOUR

Journal Article

Intelligent design ofmultimedia content in Alibaba

Kui-long LIU, Wei LI, Chang-yuan YANG, Guang YANG

Journal Article

Dual-Meta Network Architecture Driven by Content and Address

Yang Peng, Liu Xuan, Li Youping

Journal Article