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Spatial distribution and behavior of dissolved selenium speciation in the South China Sea and Malacca Straits during spring inter-monsoon period

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Acta Oceanologica Sinica 2021年第8期40卷 1-13页

作者： Wanwan cao Yan Chang Shan Jiang Jian Li Zhenqiu Zhang jie Jin Jianguo Qu Guosen Zhang jing Zhang State Key Laboratory of Estuarine and Coastal Research(East China Normal University) Shanghai 200241China State Key Laboratory of Tropical Oceanography South China Sea Institute of OceanologyChinese Academy of SciencesGuangzhou 510301China School of Oceanography Shanghai Jiao Tong UniversityShanghai 200030China

Selenium(Se)has been recognized as a key trace element that is associated with growth of primary producers in *** March and May 2018,surface water(67 samples)was collected and measured by HG-ICP-MS to investigate the distribution and behavior of selenite[Se(Ⅳ)],selenate[Se(Ⅵ)]and dissolved organic selenides(DOSe)concentrations in the Zhujiang River Estuary(ZRE),South China Sea(SCS)and Malacca Straits(MS).It showed that Se(Ⅳ)(0.14–3.44 nmol/L)was the dominant chemical species in the ZRE,related to intensive manufacture in the watershed;while the major species shifted to DOSe(0.05–0.79 nmol/L)in the MS,associated with the wide coverage of peatland and intensive agriculture activities in the Malaysian *** SCS was identified as the northern and southern sections(NSCS and SSCS)based on the variations of surface *** insignificant variation of Se(IV)in the NSCS and SSCS was obtained in March,potentially resulting from the high chemical activity and related preferential assimilation by phytoplankton ***,the lower DOSe concentrations in the SSCS likely resulted from higher primary production and utilization during *** May,the concentration of Se(Ⅳ)remained low in the NSCS and SSCS,while DOSe concentrations increased notably in the SSCS,likely due to the impact of terrestrial inputs from surface current reversal and subsequent *** a global scale,DOSe is the dominant Se species in tropical oceans,while Se(Ⅳ)and Se(Ⅵ)are major fractions in high-latitude oceans,resulting from changes in predominated phytoplankton and related biological assimilation.

关键词： Selenium speciation spatial variability monsoon South China Sea Malacca Straits

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Field Effects on the Statistical Behavior of the Molecular Conductance in a Single Molecular Junction in Aqueous Solution

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Nano Research 2010年第5期3卷 350-355页

作者： Hui cao jing Ma Yi Luo Department of Theoretical Chemistry School of BiotechnologyRoyal Institute of TechnologyS-10691 StockholmSweden School of Chemistry and Chemical Engineering Institute of Theoretical and Computational ChemistryKey Laboratory of Mesoscopic Chemistry of Ministry of EducationNanjing UniversityNanjing 210093China

We have combined molecular dynamics simulations with first-principles calculations to study electron transport in a single molecular junction of perylene tetracarboxylic diimide (PTCDI) in aqueous solution under external electric gate fields. It is found that the statistics of the molecular conductance are very sensitive to the strength of the electric field. The statistics of the molecular conductance are strongly associated with the thermal fluctuation of the water molecules around the PTCDI molecule. Our simulations reproduce the experimentally observed three orders of magnitude enhancement of the conductance, as well as the temperature dependent conductance, under the electrochemical gates. The effects of the molecular polarization and the dipole rearrangement of the aqueous solution are also discussed.

关键词： Molecular junction field effect solvent effect temperature effect statistical behavior

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Crack growth analysis for rock-like materials with ordered multiple pre-cracks under biaxial compression

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Journal of Central South University 2017年第4期24卷 866-874页

作者： WANG Min cao Ping WAN Wen ZHAO Yan-lin LIU jie LIU jing-shuo School of Resources and Safety Engineering Central South University Changsha 410083 China Hunan Provincial Key Laboratory of Shale Gas Resource Utilization (Hunan University of Science and Technology) Xiangtan 411201 China School of Energy and Safety Engineering Hunan University of Science and Technology Xiangtan 411201 China Department of Hydraulic Engineering Hunan Polytechnic of Water Resources and Electric Power Changsha 410131 China

The pre-burying iron sheets approach was used to prepare rock-like materials with ordered multiple pre-cracks. 60 specimens in total were prepared in these experiments. Through biaxial compression experiments, the influence of both the number of pre-cracks and pre-cracks angles to crack growth was analyzed. Meanwhile, species of rock bridge failure were summarized, namely, wing crack, secondary shear crack between horizontal pre-cracks and secondary shear crack between vertical pre-cracks. The wing crack plays a significant role in crack growth. Furthermore, fractal dimension was adopted to describe quantitatively the crack growth during the failure process. The results indicate that with the failure of specimens, corresponding fractal dimension for specimen monotonically increases, which indicates that the fractal dimension can be considered to the failure of the specimens quantitatively.

关键词： crack growth wing crack secondary shear crack vertical pre-cracks fractal dimension

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An Analytical Method of Calculating Back-EMF in Dual Consequent Hybrid Excitation Synchronous Machine

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Chinese Journal of Electrical Engineering 2018年第1期4卷 52-59页

作者： jie Wu jing Yin School of Electrical and Information Engineering Zhengzhou University of Light IndustryZhengzhou 450002China

In order to solve the problem of asymmetric bidirectional flux control capability in hybrid excitation machine,a novel structure called dual consequent hybrid excitation synchronous(DCHES)machine is presented in this ***,the analysis of back-EMF for the machine with complex electromagnetic structure such as DCHES machine should utilize 3-D finite element analysis(FEA),which will require huge resources and computing *** order to avoid using 3-D FEA to analyze the back-EMF of complex structure,an analytical method of calculating back-EMF is presented in this *** electromagnetic field in 3-D space can be simplified as a 2-D field by dividing the 3-D field into several simple zones,the resultant effect equals to the summation of every single 2-D field's *** to electromagnetic theory,the analytical formula of back-EMF is obtained on the basis of Fourier *** influence of main parameters on back-EMF waveform under sine and trapezoidal flux distribution is discussed *** theoretical result shows that the trapezoidal air-gap flux distribution would generate a sine ***,the presented analytical method is verified and evaluated with experimental results.

关键词： Analytical method back-EMF DCHES machine hybrid excitation machine

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肠内营养乳剂(TPF-T)对老年晚期非小细胞肺癌化疗患者免疫功能的影响

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世界最新医学信息文摘 2019年第48期19卷 30-31页

作者：张改英张献丹宋一雪曹晶杰李晓彦任玲张静杨海霞谢小英中国人民解放军联勤保障部队第985医院肿瘤中心山西省原平市人民医院ICU

目的观察肠内营养乳剂（Enteral Nutritional Emulsion,TPF-T）对老年晚期非小细胞肺癌（NSCLC）化疗患者免疫功能的影响。方法 82例老年晚期NSCLC患者随机分为治疗组及对照组,各41例,两组均给予TP方案(紫杉醇135mg·m;·d;,第1天;顺铂7... 详细信息

目的观察肠内营养乳剂（Enteral Nutritional Emulsion,TPF-T）对老年晚期非小细胞肺癌（NSCLC）化疗患者免疫功能的影响。方法 82例老年晚期NSCLC患者随机分为治疗组及对照组,各41例,两组均给予TP方案(紫杉醇135mg·m;·d;,第1天;顺铂75mg·m;·d;,第1天;21d为1周期)化疗。治疗组化疗前1天给予TPF-T,连续14d为1疗程,对照组单纯化疗。TPF-T给予前后,均行外周血淋巴细胞免疫功能及血常规检测。结果两组化疗前白细胞数、CD;、CD;、CD;T细胞表达率及CD;/CD;比值比较,无明显差异（P>0.05）;疗程结束后比较,治疗组白细胞数、CD;、CD;T细胞表达率与CD;/CD;比值均高于对照组,CD;T细胞表达率下降,差异有统计学意义（P<0.05）;两组不良反应比较,治疗组骨髓抑制的发生率较对照组下降（P<0.05）,无其他不良反应。结论老年晚期NSCLC化疗患者,早期给予肠内营养乳剂（TPF-T）治疗,可减轻骨髓抑制,提高免疫功能,从而提高化疗依从性,改善患者生存质量。

关键词：非小细胞肺癌肠内营养乳剂(TPF-T) 免疫功能

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Controlled Synthesis and Application of α-Al_2O_3 for Lu_3Al_5O_(12): Ce^(3+) Green Spherical Phosphors

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Journal of Wuhan University of Technology(Materials Science) 2018年第5期33卷 1028-1031页

作者： LI Zhao WANG Yongfeng cao jing School of Materials Engineering Xi'an Aeronautical University

Al2O3 powders with different morphologies,namely fibrous,sheet-like,and spherical,were prepared by the hydrothermal-thermolysis ***,polycrystalline,transparent cerium doped lutetium aluminum garnet（Lu3Al5O（12）：Ce^3＋）green phosphors were synthesized by high temperature solidstate method using commercial lutetium（III）oxide,cerium（III）oxide,and as-prepared Al2O3 powders with different *** phases,morphologies,and photoluminescent properties of the prepared phosphors were investigated by X-ray diffraction（XRD）,scanning electron microscopy（SEM）,and photoluminescence spectroscopy（PL）.Moreover,the influences of the morphologies ofα-Al2O3 on the types of crystal structure,morphologies,and photoluminescent properties of LuAG：Ce^3＋green phosphors were *** results indicated that the morphologies and particle sizes of theα-Al2O3 powders could be controlled by the additives and ***,the sphericalα-Al2O3 powders with good dispersibility were found to be the excellent base materials of LuAG：Ce^3＋green phosphors for white light emitting diodes.

关键词： alumina particles hydrothermal-thermolysis morphology control cerium doped lutetium aluminum garnet phosphor

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A Robust Framework for Multimodal Sentiment Analysis with Noisy Labels Generated from Distributed Data Annotation

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Computer Modeling in Engineering & Sciences 2024年第6期139卷 2965-2984页

作者： Kai Jiang Bin cao jing Fan School of Computer Science and Technology Zhejiang University of TechnologyHangzhou310023China

Multimodal sentiment analysis utilizes multimodal data such as text,facial expressions and voice to detect people’s *** the advent of distributed data collection and annotation,we can easily obtain and share such multimodal ***,due to professional discrepancies among annotators and lax quality control,noisy labels might be *** research suggests that deep neural networks(DNNs)will overfit noisy labels,leading to the poor performance of the *** address this challenging problem,we present a Multimodal Robust Meta Learning framework(MRML)for multimodal sentiment analysis to resist noisy labels and correlate distinct modalities ***,we propose a two-layer fusion net to deeply fuse different modalities and improve the quality of the multimodal data features for label correction and network ***,a multiple meta-learner(label corrector)strategy is proposed to enhance the label correction approach and prevent models from overfitting to noisy *** conducted experiments on three popular multimodal datasets to verify the superiority of ourmethod by comparing it with four baselines.

关键词： Distributed data collection multimodal sentiment analysis meta learning learn with noisy labels

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Numerical study on the integrated effects of supplied air velocity and exhaust velocity on particles removal for industrial buildings

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Energy and Built Environment 2021年第4期2卷 380-391页

作者： Tingsen Chen Shi-jie cao School of Architecture Southeast University2 SipailouNanjing 210096China Guangdong Provincial Key Laboratory of Building Energy Efficiency and Application Technologies Guangzhou UniversityGuangzhou510006China Global Centre for Clean Air Research(GCARE) Department of Civil and Environmental EngineeringFaculty of Engineering and Physical SciencesUniversity of SurreyGuildfordSurreyUnited Kingdom

Due to production particularity in industrial buildings,high concentrations of particulate matter are always im-portant environmental ***-term exposure to such hazardous environment may lead to respiratory and cardiovascular *** ventilation plays a vital role in reducing indoor particulate matter ***,the current industrial ventilation generally has the disadvantage of low ventilation efficiency and high energy *** this study,we proposed a ventilation design by integrating supply and exhaust ventilation(i.e.,SEV),and further investigated the effects of combined velocities on both indoor particles re-moval and energy *** Fluid Dynamics(CFD)coupled with Discrete Phase Model(DPM)was *** RNG k-𝜀model was adopted to simulate airflow *** method was used to trace particles’dispersion processes.A series of cases were conducted under ventilated conditions with combinations of different supplied velocities of 0.75,1.12,1.50 and 1.87 m/s,and exhausted velocities of 0,0.28 and 0.56 m/*** effects were not considered in this *** quantification of combined effects of supply velocity and exhaust velocity were investigated in terms of particle removal efficiency as well as energy *** showed that combined effects of supply velocity and exhaust velocity can improve the ventilation efficiency by 20%-40%compared to the conventional supply ventilation without exhaust ***,the reasonable design of integrated velocities will save up to 70%energy while keeping the same ventilation efficiency of *** findings will be of great importance for energy-efficient design for industrial ventilation systems.

关键词： Industrial ventilation Fine particles Exhaust velocity Ventilation design Energy

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Electrochemical and structural performances of Li[Ni_(0.133)Li_(0.2)Co_(0.133)Mn_(0.533)]O_(2)material during different cycle potential windows

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Rare Metals 2022年第8期41卷 2664-2679页

作者： Jun-Qiang Li Yun-jie Yang jing Pang Research and Development Center for Vehicle Battery and Energy Storage General Research Institute for Nonferrous MetalsBeijing100088China Beijing Institute of Chemical Reagents Beijing102607China

The effects of cycle potential window on electrochemical behaviors,structural characteristics,and surface changes in Li[Ni_(0.133)Li_(0.2)Co_(0.133)Mn_(0.533)]O_(2)(or 0.5 Li_(2)MnO_(3)·0.5 Li(Co_(0.333)Ni_(0.333)Mn_(0.333))O2)in lithium-ion battery were *** flat charge potential plateaus,~3.9 and~4.5 V,are observed in the initial charge curves of the *** changes in specific capacity and columbic efficiency are presented at~4.5 V during the first *** specific peaks show an obvious shift with the increase in charge cutoff *** the charge cutoff potential is above4.4 V,the cycle performance decreases with the increase in charge cutoff potentials.A film with the composition of C and O elements is observed on the cycled composite particle.

关键词： Lithium-ion battery Li-rich solid solution material Charge cutoff potential Cycle potential window Cycle performance

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Parametric resonance of axially functionally graded pipes conveying pulsating fluid

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Applied Mathematics and Mechanics(English Edition) 2024年第2期45卷 239-260页

作者： jie jing Xiaoye MAO Hu DING Liqun CHEN Shanghai Key Laboratory of Mechanics in Energy Engineering Shanghai Frontier Science Center of MechanoinformaticsShanghai Institute of Applied Mathematics and MechanicsSchool of Mechanics and Engineering ScienceShanghai UniversityShanghai 200444China Shanghai Institute of Aircraft Mechanics and Control Shanghai 200092China

Based on the generalized Hamilton's principle,the nonlinear governing equation of an axially functionally graded(AFG)pipe is *** non-trivial equilibrium configuration is superposed by the modal functions of a simply supported *** the direct multi-scale method,the response and stability boundary to the pulsating fluid velocity are solved analytically and verified by the differential quadrature element method(DQEM).The influence of Young's modulus gradient on the parametric resonance is investigated in the subcritical and supercritical *** general,the pipe in the supercritical region is more sensitive to the pulsating *** nonlinearity changes from hard to soft,and the non-trivial equilibrium configuration introduces more frequency components to the ***,the increasing Young's modulus gradient improves the critical pulsating flow velocity of the parametric resonance,and further enhances the stability of the *** addition,when the temperature increases along the axial direction,reducing the gradient parameter can enhance the response *** work further complements the theoretical analysis of pipes conveying pulsating fluid.

关键词： pipe conveying fluid axially functionally graded supercritical resonance multi-scale method parametric resonance

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