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The vertical shaft construction-technology of the cutter transformation of large-diameter shield

Wang Zhenfei,He Feng,He Shanning

Strategic Study of CAE 2010, Volume 12, Issue 12, Pages 103-107

Abstract:

Taking vertical shaft construction of the cutter transformation of theBeijing underground diameter shield for example, the design and construction of cutter structure transformationunder complex boundary conditions for large-diameter shield shaft were discussed.Practice about how to ensure the structural safety of the shaft as well as well-coordinated shield construction

Keywords： large-diameter shield transformation shaft complex conditions

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Research and industrialization of near-net rolling technology used in shaft parts

Zhenghuan HU, Baoyu WANG, Zhenhua ZHENG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1, Pages 17-24 doi: 10.1007/s11465-018-0480-3

Abstract:

Shaft part rolling is an efficient and green near-net shaping technology offering many advantages,In this paper, the features of shaft part rolling are introduced along with the working principles oftwo main shaft part rolling technologies, namely, cross wedge rolling (CWR) and skew rolling (SR).Finally, the latest developments in shaft part rolling are presented, including SR steel balls, preciseAlthough the shaft part rolling technology has been widely used in China, it only accounts for about

Keywords： cross wedge rolling skew rolling near-net rolling shaft part

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The Research of Steel and Glass Fiber Reinforced Plastic Guide of Mining Shaft

Zeng Xiantao,Guo Jinpu

Strategic Study of CAE 2002, Volume 4, Issue 12, Pages 71-76

Abstract: fiber reinforced plastic has been developed and researched in view of the present situation that the shaftThe corrosion resistance of the guide can meet the needs of mining shaft use, and the corrosion resistant

Keywords： mining shaft glass fiber reinforced plastic (GFRP) guide

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Stress observation of shaft lining wall during construction and initial operation

Wen Dehua

Strategic Study of CAE 2012, Volume 14, Issue 2, Pages 80-84

Abstract:

For searching the stress and deformation law of blended shaft-liningduring construction and initial operation, sensors were buried in interior and exterior wall of shaft-liningWith the law, we can forecast the long-term safety of shaft lining and provide scientific decision evidence

Keywords： shaft lining monitoring thick topsoil strain additional force

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Monitor and control of ultra deep shaft safety and efficient construction

Shen Weian,Liang Hengchang,Zhao Guangsi

Strategic Study of CAE 2012, Volume 14, Issue 2, Pages 45-48

Abstract:

With the increase of the depth of shaft construction, shaft wall safetyTo ensure the safety and shaft wall construction safety and other factors, the real-time control andBase on the background of Benxi Dataigou Iron Mine's ultra-deep shaft with diameter of 6.5 m, depthof 1 640 m, the paper proposed methods to monitor the shaft wall safety and the condition of constructionThe monitor system implementation plan may provide detailed information for ultradeep shaft efficient

Keywords： ultra deep shaft safety information construction monitor and control

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Study on shaft drilling and blasting construction risk analysis and countermeasures of Bohai Strait tunnel

Zhang Wenxin and Zou Chong

Strategic Study of CAE 2013, Volume 15, Issue 12, Pages 101-106

Abstract:

In view of the shaft construction risk analysis of Bohai Strait tunnelthe sequence in turn from low to high is supporting structure failure risk, natural disaster risk and shaftConsidering the influences of key risk and other risks on the shaft construction,we put forward responsemeasures about shaft construction risk of Bohai Stiait tunnel from the geological forecast,shaft hoistingprevention, shaft supporting structure for quality control and the establishment of the shaft system

Keywords： strait tunnel shaft construction drilling and blasting method risk analysis response measures

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Construction technology of well shaft tower construction engineering

Yang Yiming,Huang Jiapin,Shen Xihua,Cao Yueqin and Ma Zhimin

Strategic Study of CAE 2012, Volume 14, Issue 2, Pages 85-89

Abstract:

Taking the construction of the main shaft hoisting in Longgu 1# CoalMine for example, the organizational characteristics of the well shaft tower and equipments, elevatorother parallel operation of installation construction were introduced, and the technologies of tower shaft

Keywords： parallel operations well tower sliding shaft equipment elevator installation construction technology

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Assessment of Mechanical Characteristic for Reinforced Concrete Precast Arc Shaft Lining

Rong Chuanxin,Wang Xiuxi,Cheng Hua

Strategic Study of CAE 2005, Volume 7, Issue 7, Pages 43-49

Abstract:

Assessment of mechanical characteristic for reinforced concrete precast arc shaft lining is achievedAt the same time, the load carrying capacity of the high strength reinforced concrete precast arc shaftTherefore for designing the high and strong reinforced concrete precast arc shaft lining, the ratio of

Keywords： high strength reinforced concrete precast arc shaft lining mechanical characteristic finite element method

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Transformation of triclosan by a novel cold-adapted laccase from

Yuanyuan Shi, Deyang Kong, Jiayang Liu, Junhe Lu, Xiaoming Yin, Quansuo Zhou

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 3, doi: 10.1007/s11783-017-0927-5

Abstract: This work investigated the transformation of triclosan (TCS) by laccase produced by a pathogen isolatedTransformation products of TCS were analyzed by mass spectrometry and it was revealed that TCS dimerswidely presented in natural environment, this study also revealed an important pathway involved in the transformation

Keywords： Laccase Botrytis cinerea Triclosan Transformation Kinetics

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FOOD SYSTEMS TRANSFORMATION: CONCEPTS, MECHANISMS AND PRACTICES

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 1, Pages 1-3 doi: 10.15302/J-FASE-2023491

Abstract: FOOD SYSTEMS TRANSFORMATION: CONCEPTS, MECHANISMS AND PRACTICES

Keywords： TRANSFORMATION SYSTEMS FOOD CONCEPTS MECHANISMS

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TRANSFORMATION OF FOOD SYSTEMS: HOW CAN IT BE FINANCED?

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 1, Pages 109-123 doi: 10.15302/J-FASE-2023483

Abstract:

● The analysis of financing for the transformation of food systems

Keywords： financial markets food systems development financing consumer expenditures public budgets Sustainable Development Goals

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The transformation of PAHs in the sewage sludge incineration treatment

Hui ZHANG,Le XU,Yifei ZHANG,Mengchan JIANG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2, Pages 336-340 doi: 10.1007/s11783-014-0766-6

Abstract: The result indicates that the transformation may occurre between monomers of PAHs during their releaseThe possible transformation of Naphthalene to indeno(1, 2, 3-cd)pyrene was related to the temperatureHere, we showed that the output rate of transformation reactions for indeno(1, 2, 3-cd)pyrene is 94%

Keywords： release of monomers transformation of monomers PAHs sewage sludge incineration treatment

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Strategic Updating of Internet Plus Considering Digital Transformation

He Wei,Zhang Weidong,Wang Chaoxian

Strategic Study of CAE 2020, Volume 22, Issue 4, Pages 10-17 doi: 10.15302/J-SSCAE-2020.04.002

Abstract: These necessitate the construction of a new system and exploration of new paths for the transformationhave gradually improved, a new blueprint for the transformation has emerged, and the integration ofHowever, the digital transformation framework system needs to be reconstructed, the key elements of transformationecology, establish transformation and innovation networks, and upgrade the policy support system forthe Internet Plus initiative, thereby promoting the digital transformation of economy and society to

Keywords： technology industry transformation digital transformation Internet Plus industry upgrade

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Crystal-to-crystal transformation from the triclinic to the cubic crystal system by partial desolvation

Qianqian Guo, Irmgard Kalf, Ulli Englert

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3, Pages 433-439 doi: 10.1007/s11705-018-1743-6

Abstract: The transformation reaction proceeds via dissolution and recrystallization.

Keywords： ditopic ligand substituted acetylacetone desolvation diffraction

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Polymorphism and crystal transformation of penicillin sulfoxide

Dingding JING, Yongli WANG, Zhijian CHEN, Lina ZHOU, Jingkang WANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4, Pages 442-447 doi: 10.1007/s11705-011-1140-x

Abstract: Furthermore, the transformation of form II to form I was studied quantitatively by Raman spectroscopypenicillin sulfoxide is more stable as form I, and the temperature plays an important role in the crystal transformation

Keywords： penicillin sulfoxide crystallization polymorphism crystal transformation Raman spectroscopy