Search results for: Xu Shao

Items from 1 to 20 out of 74 results

article

Research on Evaluation and Prediction Method of Electrical Life of Contactor Individual

Shuguang Sun, Jinfa Liu, Jingqin Wang, Xu Shao, more

IEEJ Transactions on Electrical and Electronic Engineering > 19 > 10 > 1596 - 1609

Aiming at the problem of electrical life prediction of AC contactor individual, considering that characteristic information and degradation trend of different life stages are different, a comprehensive electrical life analysis method is proposed. First, based on uncertainty reasoning, initial electrical life is qualitatively evaluated to realize an early warning for contactor with poor performance...

article

Nightmare experience and family relationships in healthy volunteers and nightmare disorder patients

Chu Wang, Xu Shao, Yanli Jia, Chanchan Shen, more

BMC Psychiatry > 2019 > 19 > 1 > 1-7

Background Nightmares are associated with parental bonding styles and various psychiatric disorders, but the exact connections between different nightmare experience features and family relationships in healthy volunteers and nightmare disorder patients are still unclear. Methods We therefore invited 62 nightmare disorder patients and 135 healthy volunteers to undergo tests of the Nightmare Experience...

article

A chelicerate-specific burst of nonclassical Dscam diversity

Guozheng Cao, Yang Shi, Jian Zhang, Hongru Ma, more

BMC Genomics > 2018 > 19 > 1 > 1-14

Background The immunoglobulin (Ig) superfamily receptor Down syndrome cell adhesion molecule (Dscam) gene can generate tens of thousands of isoforms via alternative splicing, which is essential for both nervous and immune systems in insects. However, further information is required to develop a comprehensive view of Dscam diversification across the broad spectrum of Chelicerata clades, a basal branch...

article

Vacuum FTIR observation on hygroscopic properties and phase transition of malonic acid aerosols

Xu Shao, Yun Zhang, Shu-Feng Pang, Yun-Hong Zhang

Chemical Physics > 2017 > 483-484 > C > 7-11

A novel approach based on a combination of a pulse relative humidity (RH) controlling system and a rapid scan vacuum FTIR spectrometer was utilized to investigate the hygroscopic property and phase transition of malonic acid (MA) aerosols. By using this approach, both water vapor amount around the aerosols and water content within aerosols with sub-second time resolution were obtained. Based on the...

article

Warming benefits a native species competing with an invasive congener in the presence of a biocontrol beetle

Xinmin Lu, Evan Siemann, Minyan He, Hui Wei, more

New Phytologist > 211 > 4 > 1371 - 1381

Climate warming may affect biological invasions by altering competition between native and non‐native species, but these effects may depend on biotic interactions. In field surveys at 33 sites in China along a latitudinal and temperature gradient from 21°N to 30.5°N and a 2‐yr field experiment at 30.5°N, we tested the role of the biocontrol beetle Agasicles hygrophila in mediating warming effects...

article

The effect of CTAB on Na2SO4 nucleation in mixed Na2SO4/CTAB aerosols by FTIR-ATR technology

Dan-Ting Tan, Xu Shao, Shu-Feng Pang, Yun-Hong Zhang

Chinese Chemical Letters > 2016 > 27 > 7 > 1073-1076

FTIR-ATR technology is used to study the efflorescence kinetic of Na₂SO₄ and mixed Na₂SO₄/CTAB aerosols. As the RH decreased linearly, the ν₃SO₄²⁻ band shifts from 1094cm⁻¹ to 1132cm⁻¹, suggesting the phase transition of Na₂SO₄ from solution to crystal phase (III). For pure Na₂SO₄ aerosols, the ERH is 75.1% RH, whereas the efflorescence point of mixed Na₂SO₄/CTAB aerosols (74.2%) is lower. By further...

article

RNA-Seq-based transcriptome analysis of dormant flower buds of Chinese cherry (Prunus pseudocerasus)

Youyin Zhu, Yongqiang Li, Dedong Xin, Wenrong Chen, more

Gene > 2015 > 555 > 2 > 362-376

Bud dormancy is a critical biological process allowing Chinese cherry (Prunus pseudocerasus) to survive in winter. Due to the lake of genomic information, molecular mechanisms triggering endodormancy release in flower buds have remained unclear. Hence, we used Illumina RNA-Seq technology to carry out de novo transcriptome assembly and digital gene expression profiling of flower buds. Approximately...

article

Effects of warming and nitrogen on above- and below-ground herbivory of an exotic invasive plant and its native congener

Xinmin Lu, Evan Siemann, Hui Wei, Xu Shao, more

Biological Invasions > 2015 > 17 > 10 > 2881-2892

Warming and atmospheric nitrogen deposition could impact plant community composition by altering competitive interactions, however, the effects of these environmental changes on plant invasions via above- and below-ground herbivory are unknown. Here we report the effects of warming and nitrogen addition on aboveground insect defoliation and belowground root-knot nematode infection of a native plant...

article

Climate warming increases biological control agent impact on a non‐target species

Xinmin Lu, Evan Siemann, Minyan He, Hui Wei, more

Ecology Letters > 18 > 1 > 48 - 56

Climate change may shift interactions of invasive plants, herbivorous insects and native plants, potentially affecting biological control efficacy and non‐target effects on native species. Here, we show how climate warming affects impacts of a multivoltine introduced biocontrol beetle on the non‐target native plant Alternanthera sessilis in China. In field surveys across a latitudinal gradient covering...

article

No impact of a native beetle on exotic plant performance and competitive ability due to plant compensation

Xinmin Lu, Xu Shao, Jianqing Ding

Plant Ecology > 2014 > 215 > 3 > 275-284

The novel associations between invasive plants and their natural enemies in the introduced range have recently received increasing attention; however, the effects of novel enemies on exotic plant performance and competition with native species remain poorly explored. Here, we tested the impact of herbivory by a native beetle, Cassida piperata, on the performance of the exotic species Alternanthera philoxeroides...

article

High-performance nanocomposite films: reinforced with chitosan nanofiber extracted from prawn shells

Chuchu Chen, Dagang Li, Xu Shao

Journal of Materials Science > 2014 > 49 > 3 > 1215-1221

An optically transparent prawn shell with intact original shape and substantial morphological detail was developed in this study as well as the corresponding nanocomposite film. Chitosan nanofibers could be got through deacetylated reaction following a series of simple mechanical treatments under neutral condition. Polyethersulfone (PES) resin was used as matrix to prepare chitosan-nanocomposite film...

article

Climate warming affects biological invasions by shifting interactions of plants and herbivores

Xinmin Lu, Evan Siemann, Xu Shao, Hui Wei, more

Global Change Biology > 19 > 8 > 2339 - 2347

Plants and herbivorous insects can each be dramatically affected by temperature. Climate warming may impact plant invasion success directly but also indirectly through changes in their natural enemies. To date, however, there are no tests of how climate warming shifts the interactions among invasive plants and their natural enemies to affect invasion success. Field surveys covering the full latitudinal...

article

Response surface methodology as an optimization strategy for the light-controlled asymmetric hydrogenation of 4-(trimethylsilyl)-3-butyn-2-one by photosynthetic bacteria

Rui-Hu, Yun-Sheng Xu, Dong-Xu Shao, Meng-Liang Wang

Tetrahedron: Asymmetry > 2013 > 24 > 2-3 > 81-88

Enantiomerically pure (S)-4-(trimethylsilyl)-3-butyn-2-ol {(S)-TMSBL} is a key intermediate for the synthesis of many biologically and structurally interesting compounds and pharmaceuticals. Herein we propose a new light-controlled asymmetric hydrogenation of 4-(trimethylsilyl)-3-butyn-2-one (TMSBO) to enantiopure (S)-TMSBL by photosynthetic bacteria Rhodobacter sphaeroides, which is a newly isolated...

chapter

Investigation of wavelength-tunable directly-modulated laser for 100-Gb/s EPON

Zhaowen Xu, Yong-Kee Yeo, Xiaofei Cheng, Luying Zhou, more

2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC) > 1 - 3

2013 OFC Collocated National Fiber-Optic Engineers' Conference. OFC/NFOEC 2013

We experimentally investigate the BER performance of a wavelength-tunable directly-modulated laser that can be used in future 100-Gb/s EPON systems. The effects of temperature variation and optical filtering on the receiver sensitivity are also discussed.

article

Ag⁺/MPTMS/PMHS-mediated two-step acid–base synthesis of hybrid materials with embedded nanosilver

Xu Shao, Shang-Ru Zhai, Bin Zhai, Qing-Da An

Journal of Sol-Gel Science and Technology > 2013 > 66 > 2 > 264-273

A newly designed two-step acid–base sol–gel method for the synthesis of Ag-doped hybrid materials with tailored physicochemical properties is presented. In the proposed protocol, Ag⁺ is in situ reduced by Si–H bonds of polymethylhydrosiloxane (PMHS) in the absence of an additional reductant. Hydrolysis of the alkyloxysilane groups of tetraethoxysilane and PMHS or 3-mercaptopropyltrimethoxysilane (MPTMS)...

chapter

Betterment of attitude estimation based on complementary filter applied in drumstick

Zhen-yu Wu, Ya-jian Zeng, Hong-xu Shao, Lin Feng

2012 World Congress on Information and Communication Technologies > 1162 - 1165

2012 World Congress on Information and Communication Technologies (WICT)

For the problem of attitude estimation of drumstick in strenuous exercise, a detailed analysis of the attitude estimation process of complementary filter is done and the difficult issues during this process are proposed. The old attitude estimation based on complementary filter algorithm is improved. Experimental results show out that Betterment of attitude estimation based on complementary filter...

chapter

Analysis of capacity expansion methods of battery energy storage system

Xie Zhi-jia, Xiu Xiao-qing, Xu Shao-hua

2012 2nd International Conference on Applied Robotics for the Power Industry (CARPI) > 54 - 57

2012 2nd International Conference on Applied Robotics for the Power Industry (CARPI 2012)

Grid-connected wind power and photovoltaic are developing rapidly, their inherent intermittent and random adversely affect the safety operation of power grid. Large-scale battery energy storage technology can improve the output quality of wind power and photovoltaic and enhance intermittent energy access capabilities of the grid. But limited to the existing battery technology, most single battery...

chapter

Semantic IPTV Service Discovery System

Fon Lin Lai, Xu Shao, Rajaraman Kanagasabai

2012 IEEE Eighth World Congress on Services > 353 - 360

2012 IEEE World Congress on Services (SERVICES)

IPTV deals with multimedia services delivered over IP based networks managed to provide the required level of quality of service and experience, security, interactivity and reliability. Service discovery is an important component of IPTV system, but it is challenging due to the unique domain specifics of IPTV and complexities of IPTV ecosystem. In this paper, we formulate the IPTV service discovery...

chapter

A dynamic wavelength resource allocation capable passive optical network with shared transceivers

Luying Zhou, Zhaowen Xu, Xiaofei Cheng, Yong-Kee Yeo, more

2012 IEEE International Conference on Communications (ICC) > 3094 - 3098

ICC 2012 - 2012 IEEE International Conference on Communications

The paper proposes a new PON architecture that applies an optical broadcast capable router (OBR) to route a wavelength to a set of selected PON branches and thus enables the transceivers in the central office (CO) to be shared among them. The OBR is built on fiber splitters and switching gates, and by controlling the gates the wavelengths at the inputs can reach any outputs of the OBR. Logical PONs...

chapter

Shared-path protection in OFDM-based optical networks with elastic bandwidth allocation

Xu Shao, Yong-Kee Yeo, Zhaowen Xu, Xiaofei Cheng, more

OFC/NFOEC > 1 - 3

2012 OFC Collocated National Fiber Optic Engineers Conference OFC/NFOEC 2012

Compared with backup sharing in WDM networks, it is more complex and challenging to share backup resources in OFDM-based optical networks with elastic bandwidth allocation. We propose and evaluate conservative and agressive backup sharing policies.

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INFONA - science communication portal

Search results for: Xu Shao

Research on Evaluation and Prediction Method of Electrical Life of Contactor Individual

Nightmare experience and family relationships in healthy volunteers and nightmare disorder patients

A chelicerate-specific burst of nonclassical Dscam diversity

Vacuum FTIR observation on hygroscopic properties and phase transition of malonic acid aerosols

Warming benefits a native species competing with an invasive congener in the presence of a biocontrol beetle

The effect of CTAB on Na2SO4 nucleation in mixed Na2SO4/CTAB aerosols by FTIR-ATR technology

RNA-Seq-based transcriptome analysis of dormant flower buds of Chinese cherry (Prunus pseudocerasus)

Effects of warming and nitrogen on above- and below-ground herbivory of an exotic invasive plant and its native congener

Climate warming increases biological control agent impact on a non‐target species

No impact of a native beetle on exotic plant performance and competitive ability due to plant compensation

High-performance nanocomposite films: reinforced with chitosan nanofiber extracted from prawn shells

Climate warming affects biological invasions by shifting interactions of plants and herbivores

Response surface methodology as an optimization strategy for the light-controlled asymmetric hydrogenation of 4-(trimethylsilyl)-3-butyn-2-one by photosynthetic bacteria

Investigation of wavelength-tunable directly-modulated laser for 100-Gb/s EPON

Ag⁺/MPTMS/PMHS-mediated two-step acid–base synthesis of hybrid materials with embedded nanosilver

Betterment of attitude estimation based on complementary filter applied in drumstick

Analysis of capacity expansion methods of battery energy storage system

Semantic IPTV Service Discovery System

A dynamic wavelength resource allocation capable passive optical network with shared transceivers

Shared-path protection in OFDM-based optical networks with elastic bandwidth allocation

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