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HOW MULTISPECIES INTERCROP ADVANTAGE RESPONDS TO WATER STRESS: A YIELD-COMPONENT ECOLOGICAL FRAMEWORK

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 3,   Pages 416-431 doi: 10.15302/J-FASE-2021412

Abstract:

Absolute yield and land use efficiency can be higher in multicrops. Though this phenomenon is common, it is not always the case. Also, these two benefits are frequently confused and do not necessarily occur together. Cropping choices become more complex when considering that multicrops are subject to strong spatial and temporal variation in average soil moisture, which will worsen with climate change. Intercropping in agroecosystems is expected to buffer this impact by favoring resistance to reduced humidity, but there are few empirical/experimental studies to validate this claim. It is not clear if relatively higher multicrop yield and land use efficiency will persist in the face of reduced soil moisture, and how the relation between these benefits might change. Here, we present a relatively simple framework for analyzing this situation. We propose a relative multicrop resistance (RMR) index that captures all possible scenarios of absolute and relative multicrop overyield under water stress. We dissect the ecological components of RMR to understand the relation between higher multicrop yield and land use efficiency and the ecological causes of different overyield scenarios. We demonstrate the use of this framework with data from a 128 microplot greenhouse experiment with small annual crops, arranged as seven-species multicrops and their corresponding monocrops, all under two contrasting watering regimes. We applied simple but robust statistical procedures to resulting data (based on bootstrap methods) to compare RMR, and its components, between different plants/plant parts. We also provide simple graphical tools to analyze the data.

 

Keywords： agroecosystem sustainability     crop overyielding     intercrop drought resistance     overyield ecological components    

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Taking advantage of drug resistance, a new approach in the war on cancer

Liqin Wang, Rene Bernards

Frontiers of Medicine 2018, Volume 12, Issue 4,   Pages 490-495 doi: 10.1007/s11684-018-0647-7

Abstract: combinations that are designed to avoid drug resistance, we discuss here therapeutic approaches that take advantage

Keywords： cancer     drug resistance     genetic screens     senescence     targeted therapy    

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EXPLORING THE RELATIVE ADVANTAGES OF LOCAL INNOVATION IN AGROFORESTRY

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 1,   Pages 61-72 doi: 10.15302/J-FASE-2022476

Abstract:

● Promotion of local sustainable innovation developed by forest farmers.

Keywords： agroforestry     forest farmers     local innovation     relative advantage     social forestry    

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An autonomous miniature wheeled robot based on visual feedback control

CHEN Haichu

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 2,   Pages 197-200 doi: 10.1007/s11465-007-0033-7

Abstract: The robot takes advantage of the Bluetooth technology to wirelessly transmit data at a short distance

Keywords： measuring     distance     autonomous locomotion     advantage     navigation    

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LYX: A novel aerobic bacterium with advantage of removing nitrate high effectively by assimilation and

Yuxin Li, Jiayin Ling, Pengcheng Chen, Jinliang Chen, Ruizhi Dai, Jinsong Liao, Jiejing Yu, Yanbin Xu

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1349-3

Abstract: Abstract • Pseudomonas mendocina was first reported for aerobic nitrate removal. • It removed 90% of NO3−-N in 24 h under aerobic conditions. • This strain converted NO3−-N to bio-nitrogen (37.9%) and gaseous nitrogen (49.7%). • Inoculation of this strain increased sludge denitrification rate by 4.3 times. The problem of nitrate accumulation in aerobic tank and total nitrogen excessive discharge in effluent was very common in traditional livestock and poultry farming wastewater treatment systems owing to the lengthy process flow and low process control level. A strain LYX of aerobic bacterium was isolated from the activated sludge of a wastewater treatment system in a pig farm, which could remove nitrate effectively in aerobic tank and was identified Pseudomonas mendocina by 16S rRNA sequencing. Under the condition of nitrate as the sole nitrogen source, this strain removed over 90% of NO3−-N with an initial concentration of 110 mg/L under aerobic conditions within 48 hours. Among them, 37.9% of NO3−-N was assimilated into Bio-N, about 51.9% was reduced to gaseous nitrogen and less than 0.5% of nitrogen was replaced by NO2−-N and NH4+-N, 9.7% NO3−-N remained in the effluent at the end. At the same time, four key genes (napA, nirK, norB and nosZ) related to nitrate nitrogen removal were expressed during the denitrification process of P. mendocina LYX, in which the transcription level of the indicator genes of this aerobic denitrifying bacterium (napA) was the highest. In addition, it was found with the 15N tracer technique that inoculation of this strain on sludge increased the amount of nitrogen loss from 9.26 nmol N/(g·h) to 23.835 nmol N/(g·h). Therefore, P. medocina LYX is a potential bioagent for advanced nitrogen removal by assimilating and reducing nitrate simultaneously in aerobic tanks.

Keywords： Pseudomonas mendocina     Aerobic nitrate removal     15N tracing technique     Denitrification assimilatively and disimilatively     Aerobic denitrifying genes    

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Mechanical and geometric advantages in compliant mechanism optimization

Michael Yu WANG

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 229-241 doi: 10.1007/s11465-009-0066-1

Abstract: With a linear elastic structural analysis, we quantify mechanical (and geometric) advantage in termsIt is shown that the common formulations using mechanical (or geometric) advantage would directly emulate

Keywords： compliant mechanisms     topology optimization     mechanical advantage     pseudo rigid-body mechanisms    

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Incubating Engineer and Its Industrialization

Lu Rui,Sheng Zhaohan

Strategic Study of CAE 2001, Volume 3, Issue 5,   Pages 28-31

Abstract:

Incubating engineer is developing quickly in the world, the operation of which is complicated, involving productive factors and management. The essay aims at illustration of the incubating engineer in China, focusing on entrepreneur strategy, service strategy and venture capital strategy.

Keywords： incubating engineer     advantage     management     industrialization    

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An analytical method for calculating torsional constants for arbitrary complicated thin-walled cross-sections

DU Baisong, GE Yaojun, ZHOU Zheng

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 293-297 doi: 10.1007/s11709-007-0038-7

Abstract: The advantage of this method is that we can easily and directly obtain torsional constants from the torsional

Keywords： homogeneous     complicated thin-walled     numerical example     advantage     torsional function    

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Advantage and Development of Chinese Health Food

Li Lianda,Jing Yuzhen

Strategic Study of CAE 2003, Volume 5, Issue 5,   Pages 35-39

Abstract: Traditional Chinese Medicine with modern nutriology and food science is the most obvious characteristic and advantage

Keywords： health food     traditional Chinese Medicine     food science    

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Construction of PS/PNIPAM core-shell particles and hollow spheres by using hydrophobic interaction and thermosensitive phase separation

ZHU Dongmei, WANG Fei, GAO Cuiling, XU Zheng

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 253-256 doi: 10.1007/s11705-008-0049-5

Abstract: The main point of the method is to take advantage of the hydrophobic interaction between initiator and

Keywords： initiator     core-shell     transition     polystyrene/poly     advantage    

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Current Enterprise Innovation from the Perspectiveof the Three Gorges Project Construction

Cao Guangrong,Tan Liwen,Wang Feijin

Strategic Study of CAE 2007, Volume 9, Issue 11,   Pages 175-181

Abstract: innovation team, and increasing in research input and exerting a coordinated effect and collective scale advantage

Keywords： Three Gorges Project     corporation     competitive advantage     innovation    

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Analysis on The Value and Significance of Arctic Sea Routes in the Context of the ‘One Belt One Road’ Strategy

Liu Huirong

Strategic Study of CAE 2016, Volume 18, Issue 2,   Pages 111-118 doi: 10.15302/J-SSCAE-2016.02.014

Abstract:

In order to analyze the value of the commercial navigation through the Arctic sea routes, this paper summarizes the challenges of the utilizing the Arctic sea routes through various analytical modes, including institutional analysis and cost benefit analysis of the traditional sea routes and the Arctic sea routes. The paper proposes that the 'One Belt One Road' Strategy should develops and utilize the Arctic sea routes. These sea routes could extend the connections of the Silk Road Economic Belt and become an expansion for the 21st-Century Maritime Silk Road as an important part of China's foreign trade network. Therefore, the strategic value of the Arctic sea routes should be prioritized as a key part of the 'One Belt One Road' initiative.

Keywords： One Belt One Road     Arctic sea routes     cost advantage     strategic value    

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Strategy on the Development of Energy “Golden Triangle” Erea

The Research Group of “Strategic Research on the Development of Energy ‘Golden Triangle’ Erea”

Strategic Study of CAE 2015, Volume 17, Issue 9,   Pages 18-28

Abstract:

The “golden triangle” in terms of energy is in the crisis of development opportunity and the large-scale energy development leads a rapid economic development, so it takes a critical strategic position in energy structure of China. This paper elaborates the regional developing situation and comparative advantages on the development of energy, economy and society in this area, emphasizes severe homogenization on industrial structure, wasteful development of energy resource, disordered competition of coal conversion industry, high pressure of energy export, water shortage, and vulnerable ecological environment faced in the regional development. And it proposes strategic thinking of “overall plan, scientific development, ordered conversion, distribution optimization, multi-function synergy, low carbon ecology” to build the energy “golden triangle” pilot region for comprehensive reforms and promote regional integration development, and provides reference for promoting regional industry up gradation and sustainable development.

Keywords： energy “golden triangle”     comparative advantage     strategic opportunity     ecosystem     sustainable development    

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Status Quo of International Cooperation in Competitive Industries and Manufacturing in the Six Economic Corridors along the Belt and Road

Tang Yongchuan,Pan Yunhe, Zhang Xue, Hang Jiangjie

Strategic Study of CAE 2019, Volume 21, Issue 4,   Pages 60-68 doi: 10.15302/J-SSCAE-2019.04.003

Abstract: paper focuses on the six economic corridors of the Belt and Road, and uses the revealed comparative advantage

Keywords： the Belt and Road，manufacturing，six economic corridors，revealed comparative advantage index，multidimensional    

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Development Strategy of Traditional Chinese Medicine in the New Era

Xue Xiaojuan, Liu Cai , Wang Yimin , Sun Xiaobo , Cheng Yiyu , Hu Jingqing ,Tian Jinzhou , Wang Qi , Zhang Boli

Strategic Study of CAE 2023, Volume 25, Issue 5,   Pages 11-20 doi: 10.15302/J-SSCAE-2023.05.007

Abstract:

Traditional Chinese medicine (TCM) develops rapidly in recent years in China; meanwhile, it faces new challenges and shoulders new historical missions. Moreover, the inheritance and innovation of TCM is crucial for the promotion of the Healthy China initiative. To continuously promote the high-quality development of TCM, this study analyzes the current status and development problems of TCM development from the aspects of theoretic innovation, clinical advantages and evaluation, TCM resource development and utilization, intelligent manufacturing, and globalization. Furthermore, six countermeasures are proposed. First,efforts should focus on the theoretical research of TCM, and a population-based TCM health program is suggested. Second, the existing management mechanisms and systems should be innovated, and innovation trials conducted in key evaluation systems and methods. Third, the TCM talent team construction should be strengthened to improve the clinical diagnosis and treatment levels and scientific research and development of TCM. Fourth, domestic and international resources can be integrated to stimulate the vitality of the TCM industry and promote the comprehensive development and utilization of TCM resources. Fifth, intelligent manufacturing of TCM should be emphasized, and innovative development of theoretical research, technical systems, and personnel training should be coordinated. Sixth, the globalization of TCM should be promoted to realize the integration of TCM with international traditional and modern medicine.

Keywords： theoretical research of traditional Chinese medicine     clinical advantage evaluation     development and    

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Title Author Date Type Operation

HOW MULTISPECIES INTERCROP ADVANTAGE RESPONDS TO WATER STRESS: A YIELD-COMPONENT ECOLOGICAL FRAMEWORK

Journal Article

Taking advantage of drug resistance, a new approach in the war on cancer

Liqin Wang, Rene Bernards

Journal Article

EXPLORING THE RELATIVE ADVANTAGES OF LOCAL INNOVATION IN AGROFORESTRY

Journal Article

An autonomous miniature wheeled robot based on visual feedback control

CHEN Haichu

Journal Article

LYX: A novel aerobic bacterium with advantage of removing nitrate high effectively by assimilation and

Yuxin Li, Jiayin Ling, Pengcheng Chen, Jinliang Chen, Ruizhi Dai, Jinsong Liao, Jiejing Yu, Yanbin Xu

Journal Article

Mechanical and geometric advantages in compliant mechanism optimization

Michael Yu WANG

Journal Article

Incubating Engineer and Its Industrialization

Lu Rui,Sheng Zhaohan

Journal Article

An analytical method for calculating torsional constants for arbitrary complicated thin-walled cross-sections

DU Baisong, GE Yaojun, ZHOU Zheng

Journal Article

Advantage and Development of Chinese Health Food

Li Lianda,Jing Yuzhen

Journal Article

Construction of PS/PNIPAM core-shell particles and hollow spheres by using hydrophobic interaction and thermosensitive phase separation

ZHU Dongmei, WANG Fei, GAO Cuiling, XU Zheng

Journal Article

Current Enterprise Innovation from the Perspectiveof the Three Gorges Project Construction

Cao Guangrong,Tan Liwen,Wang Feijin

Journal Article

Analysis on The Value and Significance of Arctic Sea Routes in the Context of the ‘One Belt One Road’ Strategy

Liu Huirong

Journal Article

Strategy on the Development of Energy “Golden Triangle” Erea

The Research Group of “Strategic Research on the Development of Energy ‘Golden Triangle’ Erea”

Journal Article

Status Quo of International Cooperation in Competitive Industries and Manufacturing in the Six Economic Corridors along the Belt and Road

Tang Yongchuan,Pan Yunhe, Zhang Xue, Hang Jiangjie

Journal Article

Development Strategy of Traditional Chinese Medicine in the New Era

Xue Xiaojuan, Liu Cai , Wang Yimin , Sun Xiaobo , Cheng Yiyu , Hu Jingqing ,Tian Jinzhou , Wang Qi , Zhang Boli

Journal Article