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NEW ZEALAND DAIRY FARM SYSTEMS AND KEY ENVIRONMENTAL EFFECTS

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,

Abstract: grazing systems used in New Zealand (NZ), the changes with increased inputs over time and associated key

Bioaerosol: A Key Vessel between Environment and Health

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 3, doi: 10.1007/s11783-021-1422-6

Firm Innovation Systems: Perspectives of Researches on State-owned Key Enterprises

Jin Chen,Shu-fang Huang,Qing-rui Xu

Frontiers of Engineering Management 2015, Volume 2, Issue 1,   Pages 64-70 doi: 10.15302/J-FEM-2015017

Abstract: between each innovation system, and the role in the enterprise innovation especially the State-owned Keyso as to provide a theoretical and practical basis for the design and improvement of the State-owned Key

Keywords: firm innovation system     state-owned key enterprises     ecology     evolution    

Pilot plants of membrane technology in industry: Challenges and key learnings

Colin A. Scholes

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 3,   Pages 305-316 doi: 10.1007/s11705-019-1860-x

Abstract: Specifically, the challenges of developing and operating membrane pilot plants are presented, as well as the key

Keywords: membrane gas separation     membrane contactors     carbon capture     pilot plants     key learnings    

China Keeps Carrying Forward the Key Special Project of “Air Pollution Causes and Control”

Huan Liu,Kebin He

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 5, doi: 10.1007/s11783-016-0881-7

Key Technology Research on the Efficient Exploitation and Comprehensive Utilization of Resources in the

Zhiqiang Yang

Engineering 2017, Volume 3, Issue 4,   Pages 559-566 doi: 10.1016/J.ENG.2017.04.021

Abstract:

To understand the resource features and geology in the deep Jinchuan nickel deposit, difficult geological conditions were systematically analyzed, including high stress, fragmentized ore rock, prevalent deformation, difficult tunnel support, complicated rock mechanics, and low mining recovery. An integrated technology package was built for safe, efficient, and continuous mining in a deep, massive, and complex nickel and cobalt mine. This was done by the invention of a large-area continuous mining method with honeycomb drives; the establishment of ground control theory and a technology package for high-stress and fragmented ore rock; and the development of a new type of backfilling cement material, along with a deep backfilling technology that comprises the pipeline transport of high-density slurry with coarse aggregates. In this way, good solutions to existing problems were found to permit the efficient exploitation and comprehensive utilization of the resources in the deep Jinchuan nickel mine. In addition, a technological demonstration in an underground mine was performed using the cemented undercut-and-fill mining method for stressful, fragmented, and rheological rock.

Keywords: Deep mining     Efficient exploitation     Comprehensive utilization     Key technology    

NEW ZEALAND DAIRY FARM SYSTEMS AND KEY ENVIRONMENTAL EFFECTS

Jiafa LUO, Stewart LEDGARD

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,   Pages 148-158 doi: 10.15302/J-FASE-2020372

Abstract: grazing systems used in New Zealand (NZ), the changes with increased inputs over time and associated key

Keywords: dairy farms     environmental impacts     grazing systems     intensification     mitigation    

Unveiling the interaction mechanisms of key functional microorganisms in the partial denitrification-anammox

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1703-3

Abstract:

● The availability of PD-anammox was investigated with higher NO3–N concentration.

Keywords: PD-anammox process     Nitrite accumulation     COD     Microbial interaction    

Key technologies for high speed railway bridge construction

Zheng Jian

Strategic Study of CAE 2008, Volume 10, Issue 7,   Pages 18-27

Abstract:

Bridge design and construction are key to high speed railway engineeringideas and concepts, technical standard, design characteristics and applications of technologies, thus key

Keywords: high speed railway     bridge     key technologies    

Synergistic utilization of coal and other energy – Key to low carbon economy

Weidou NI, Zhen CHEN

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 1-19 doi: 10.1007/s11708-010-0136-4

Abstract: In China, coal is a dominant component of energy mix, and it is expected to remain as such over the next 30 to 40 years. Coal is expected to be used even more in power generation. The direct combustion of coal already has been causing severe pollution and ecological degradation, and it is quite difficult to address the need to reduce greenhouse gas (GHG) given the direct combustion of coal. Therefore, the polygeneration system based on coal gasification, which is one of the major examples of synergistic utilization of coal, is proposed. It is a comprehensive solution to meet the energy challenges China is facing. Furthermore, the synergy of fossil fuels (especially coal) with renewable energy, the synergy of different kinds of energy for energy storage, the synergy of centralized and distributed supply of different kinds of energy, and the synergy of different kinds of energy in smart energy grid (power, gas, heat, and water) are the keys to making China a low-carbon economy. Carbon dioxide (CO ) mitigation in China should begin from the coal-chemical industry given their accumulated relevant experiences. The mitigation process should gradually be transformed into the “IGCC+ polygeneration+ CCUS”. The objectives of this paper are to describe the synergistic utilization of coal, and to analyze the synergy of coal with other energy resources, and to propose the scientific and technological problems to achieve these synergies.

Keywords: synergy     clean and efficient utilization of coal     coal-based polygenration     CO2 mitigation     energy storage    

Designer enzyme for green materials innovation: Lactate-polymerizing enzyme as a key catalyst

Seiichi Taguchi

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 1,   Pages 139-142 doi: 10.1007/s11705-017-1636-0

Abstract: Establishment of the regeneratable whole-cell catalyst platform for the?production of biobased polymeric materials is a?typical topic of synthetic biology. In this commentary, discovery story of a “lactate-polymerizing enzyme” (LPE)?and LPE-based?achievements for creating a new variety of polyesters with incorporated unnatural monomers are presented. Besides the importance of microbial platform itself is discussed referring to the “ballooning”- .

Keywords: synthetic biology     enzyme evolutionary engineering     polyhydroxyalkanoate    

Sustainable intensification of agriculture is key to feeding Africa in the 21st century

Shenggen FAN

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 4,   Pages 366-370 doi: 10.15302/J-FASE-2020342

Abstract:

Africa in facing numerous challenges in the 21st century in feeding its rapidly increasing population. Land resources have become limited due to urbanization and industrialization. The existing agricultural land has been degraded and soil fertility has declined due to unsustainable farming practices. Despite of progress made in the past several decades, hunger and malnutrition in Africa still hinder health, human development and economic growth, which will become even worse in the future if proper measures are not taken. Sustainable intensification is the only solution to tackling both environmental sustainability including climate change and malnutrition, i.e., to produce more foods in terms of nutrients human body needs with less natural resources and carbon emissions. To achieve this vision, innovations in technologies, policies and institutions are essential. The Chinese experience in Agricultural Green Development (AGD) can be shared with Africans when the region is pursuing its sustainable intensification strategy.

Keywords: Africa     sustainable intensification     Agricultural Green Development     climate change     malnutrition    

The prediction technology study of fatigue life for key parts of a tracked vehicle’s suspension system

WANG Hongyan, RUI Qiang, HE Xiaojun

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1,   Pages 68-71 doi: 10.1007/s11465-007-0011-0

Abstract: In allusion to fatigue life of a tracked vehicle torsion bar, a virtual prototype model of the tracked vehicle suspension system including a flexible torsion bar was built based on dynamic simulation software ADAMS. Node force and stress results of the torsion bar from last step simulation were acquired; taking into account the material characteristics and influential factors, fatigue life of the flexible body of the torsion bar was predicted. Engineering results can be acquired through the contrast of the result of virtual test and statistical fatigue.

Keywords: dynamic simulation     simulation software     allusion     influential     material    

Estimating the effect of urease inhibitor on rice yield based on NDVI at key growth stages

Kailou LIU,Yazhen LI,Huiwen HU

Frontiers of Agricultural Science and Engineering 2014, Volume 1, Issue 2,   Pages 150-157 doi: 10.15302/J-FASE-2014028

Abstract: The normalized difference vegetation index (NDVI) was measured at key growth stages in both early andRice yield could be predicted from the NDVI taken at key rice growing stages, with ranging from 0.34

Keywords: normalized difference vegetation index (NDVI)     N-(n-butyl) thiophosphoric triamide (NBPT)     rice     grain yield    

A brief review on key technologies in the battery management system of electric vehicles

Kailong LIU, Kang LI, Qiao PENG, Cheng ZHANG

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 1,   Pages 47-64 doi: 10.1007/s11465-018-0516-8

Abstract: This paper aims to give a brief review on several key technologies of BMS, including battery modellingFirst, popular battery types used in EVs are surveyed, followed by the introduction of key technologiesFinally, several key and traditional battery charging approaches with associated optimization methods

Keywords: battery management system     battery modelling     battery state estimation     battery charging    

Title Author Date Type Operation

NEW ZEALAND DAIRY FARM SYSTEMS AND KEY ENVIRONMENTAL EFFECTS

Journal Article

Bioaerosol: A Key Vessel between Environment and Health

Journal Article

Firm Innovation Systems: Perspectives of Researches on State-owned Key Enterprises

Jin Chen,Shu-fang Huang,Qing-rui Xu

Journal Article

Pilot plants of membrane technology in industry: Challenges and key learnings

Colin A. Scholes

Journal Article

China Keeps Carrying Forward the Key Special Project of “Air Pollution Causes and Control”

Huan Liu,Kebin He

Journal Article

Key Technology Research on the Efficient Exploitation and Comprehensive Utilization of Resources in the

Zhiqiang Yang

Journal Article

NEW ZEALAND DAIRY FARM SYSTEMS AND KEY ENVIRONMENTAL EFFECTS

Jiafa LUO, Stewart LEDGARD

Journal Article

Unveiling the interaction mechanisms of key functional microorganisms in the partial denitrification-anammox

Journal Article

Key technologies for high speed railway bridge construction

Zheng Jian

Journal Article

Synergistic utilization of coal and other energy – Key to low carbon economy

Weidou NI, Zhen CHEN

Journal Article

Designer enzyme for green materials innovation: Lactate-polymerizing enzyme as a key catalyst

Seiichi Taguchi

Journal Article

Sustainable intensification of agriculture is key to feeding Africa in the 21st century

Shenggen FAN

Journal Article

The prediction technology study of fatigue life for key parts of a tracked vehicle’s suspension system

WANG Hongyan, RUI Qiang, HE Xiaojun

Journal Article

Estimating the effect of urease inhibitor on rice yield based on NDVI at key growth stages

Kailou LIU,Yazhen LI,Huiwen HU

Journal Article

A brief review on key technologies in the battery management system of electric vehicles

Kailong LIU, Kang LI, Qiao PENG, Cheng ZHANG

Journal Article