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Exogenous Application of Abscisic Acid or Gibberellin Acid Affects Starch Granule Size Distribution in Grains of Wheat

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Exogenous Application of Abscisic Acid or Gibberellin Acid A...

Degeneration and rejuvenation of shape memory effect associated with the precipitation of coherent nano-particles in a Co-Ni-Si shape memory alloy

第十五次中国小麦栽培科学学术研讨会

作者： peng dian Liang wang Zhen Lin~* CAI Tie YIN Yan Ping YANG Wei Bing NI Ying Li and YANG Dong Qing (National Key Laboratory of Crop Biology,Shandong Agricultural University,Taian 271018.P.R.China)

Granule size distribution of wheat starch is an important characteristic that can affect its chemical composition and the functionality of wheat *** high-yield winter wheat cultivars currently used in local wheat production,Gaocheng8901 and Shannong1391,were used to evaluate the effects of the exogenous spraying of ABA or GA during the reproductive phase of the initial grain filling on starch granule size distribution and starch components in grains at maturity,the field experiments were carried out in growing seasons 2009-2010 and *** results indicated that a bimodal curve was found in the volume and surface area distribution of grain starch granules,and the number distribution had a unimodal *** exogenous ABA resulted in a significant increase in the proportions(both by volume and by surface area) of B-type(9.9μm) starch granules,meanwhile,the exogenous GA led to converse effects on size distribution of those starch *** exogenous ABA also increased starch content,starch components content at maturity but significantly reduced the ratio of amylose to *** of GA3 significantly reduced starch content,amylopectin content but increased the ratio of amylose to *** ratio of amylose to amylopectin showed a significant negative relationship with the volume proportion of granules <2.8μm and 2.8-9.9μm but was positively related to the volume proportion of granules 22.8-42.8μm.

关键词： abscisic acid gibberellin granule size distribution starch winter wheat(Triticum aestivum L.)

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Journal of Materials Science & Technology 2021年第17期76卷 150-155页

作者： Huabei peng dian wang Qi Liao Yuhua Wen School of Mechanical Engineering Sichuan UniversityChengdu 610065China

In a solution treated Co-20Ni-6Si shape memory alloy,coherent nano-particles were precipitated after annealing at 873 K for 1 min,but the shape memory effect almost *** is attributed to that the coherent nano-particles not only suppressed the stress-induced face-centered cubic to close-packed hexagonal martensite transformation but also damaged the crystallographic reversibility of reverse martensite *** further annealing at 1073 K for 1 min,the shape memory effect was rejuvenated owing to the dissolution of ***,the recovery strain significantly increased to5.1%from the solution treatment of 3.1%after annealing at 1073 K for 1 min.

关键词： Shape memory alloys Martensitic phase transformation Defects Coherent nano-particles

Effect of order–disorder transition on thermodynamic and electronic properties of σ and χ phases in W–Re alloy: the first-principles calculation

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Tungsten 2025年第1期 195-213页

作者： Zhi-peng Zhu dian Jia William Yi wang Jun-Lei Yin Xing-Yu Gao Shu-Feng Yang Hai-Feng Song Jin-Shan Li State Key Laboratory of Solidification Processing Northwestern Polytechnical University Laboratory of Computational Physics Institute of Applied Physics and Computational Mathematics School of Metallurgical and Ecological Engineering University of Science and Technology Beijing

The Tungsten-Rhenium(W-Re) alloys,celebrated for their high melting point,strength at elevated temperatures,electrical resistivity,and radiation resistance,have been widely utilized in high-temperature components,aerospace,electronics,and nuclear *** constituents of the topologically close-packed(TCP) phases,the sigma phase(σ) and chi phase(χ) formed within W-Re alloys wield considerable influence on the mechanical properties and the stability of the *** calculations were utilized in the present work to explore the structural,thermodynamic,and electronic properties of both ordered and disordered configurations within the σ and χ phases,culminating in a systematic elucidation of the higher phase stability exhibited by the ordered *** is found that the bulk modulus of these two phases is directly proportional to the concentration of Re in the alloy,while the equilibrium volume is inversely *** thermodynamic parameters of the σ and χ phases are calculated via the mean-field potential *** similar trends observed in the isobaric heat capacity,enthalpy increment,and entropy change curves for these two phases suggest they possess comparable thermodynamic *** is noteworthy that the contribution of ionic vibrations predominantly affects the isobaric heat capacity,while the contribution of thermal electronic excitations increases linearly with *** the structure and thermodynamic properties of TCP phases in W-Re alloys at low temperatures has profound significance for optimizing material performance,microstructures features,establishing theoretical foundations,and predicting material behavior.

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Actuator Efficiency Adaptive Flatness Control Model and Its Application in 1250 mm Reversible Cold Strip Mill

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Journal of Iron and Steel Research International 2013年第6期20卷 13-20页

作者： wang peng-fei peng Yan LIU Hong-min ZHANG dian-hua wang Jun-sheng National Engineering Research Center for Equipment and Technology of Cold Strip Rolling Yanshan University State Key Laboratory of Rolling and Automation Northeastern University Anshan Iron and Steel Company

The existing research of the flatness control for strip cold rolling mainly focuses on the calculation of the optimum adjustment of individual flatness actuator in accordance with the flatness deviation , which is used for general flatness *** the basis of flatness control system , the efficiencies of flatness actuators provide a quantitative description to the law of flatness *** , the determination of actuator efficiency factors is crucial in flatness *** strategies of closed loop feedback flatness control and rolling force feed-forward control were established respectively based on actuator efficiency *** the purpose of obtaining accurate efficiency factors matrixes of flatness actuators , a self-learning model of actuator efficiency factors was *** precision of actuator efficiency factors can be improved continuously by the input of correlative measured flatness *** , the self-learning model of actuator efficiency factors permits the application of this flatness control for all possible types of actuators and every stand *** application results show that the self-learning model is capable of obtaining good flatness.

关键词： actuator efficiency self-learning adaptive control flatness control cold rolling

Car-following theory of steady-state traffic flow using time-to-collision

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Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2011年第8期12卷 645-654页

作者： Sheng JIN Zhi-yi HUANG peng-fei TAO dian-hai wang College of Civil Engineering and Architecture Zhejiang University Hangzhou 310058 China College of Traffic and Transportation Jilin University Changchun 130022 China

The conventional car-following theory is based on the assumption that vehicles will travel along the center line of lanes. However, according to the field survey data, in complex traffic conditions, a lateral separation between the leader and the follower frequently occurs. Accordingly, by taking lateral separation into account, we redefined the equation of time-to-collision (TTC) using visual angle information. Based on the stimulus-response framework, TTC was introduced into the basic General Motors (GM) model as a stimulus, and a non-lane-based car-following model of steady-state traffic flow was developed. The property of flow-density relationship was further investigated after integrating the proposed car-following model with different parameters. The results imply that the property of steady-state traffic flow and the capacity of each lane are highly relevant to the microscopic staggered car-following behavior, and the proposed model significantly enhances the practicality of the human driving behavior model.

关键词： Non-lane-based Visual angle Time-to-collision(TTC) Flow-density curve

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罗汉果祛痰作用谱效关系研究

广西植物 2017年第5期37卷 606-609页

作者：王勤肖喜泉董威唐慧勤卢凤来李耀华李典鹏王剑林吴广西中医药大学南宁530001 上海全顾医疗科技有限公司上海200120 广西壮族自治区中国科学院广西植物研究所广西桂林541006 嘉兴市第一医院药剂科浙江嘉兴314000

为了研究罗汉果祛痰作用与活性成分的相关性,该研究首先测定了19批罗汉果提取物高效液相(HPLC)指纹图谱和小鼠气管酚红排泌量,找出了指纹图谱共有峰,采用灰色关联度法确定各共有峰对祛痰效果贡献度,利用偏最小二乘法(PLS)得出了各共有... 详细信息

为了研究罗汉果祛痰作用与活性成分的相关性,该研究首先测定了19批罗汉果提取物高效液相(HPLC)指纹图谱和小鼠气管酚红排泌量,找出了指纹图谱共有峰,采用灰色关联度法确定各共有峰对祛痰效果贡献度,利用偏最小二乘法(PLS)得出了各共有峰的正负相关及贡献度。结果表明:共有峰为14个,其中关联度在0.8以上的有12个峰(正相关峰为3、11、12、13号峰,负相关峰为1、2、4-10、14号峰);11、12号峰分别为氧化罗汉果苷Ⅴ和罗汉果苷Ⅴ。因此,罗汉果祛痰作用不是单一成分起作用,而是多种成分综合作用的结果。其中,氧化罗汉果苷Ⅴ和罗汉果苷Ⅴ有祛痰作用,贡献率较大。

关键词：罗汉果祛痰作用谱效关系

Deflection Compensation Model for Flatness Measuring Roll

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Journal of Iron and Steel Research International 2010年第12期17卷 35-37,45页

作者： LIU Jia-wei ZHANG dian-hua wang Jun-sheng wang peng-fei State Key Laboratory of Rolling and Automation Northeastern University Shenyang 110004 Liaoning China Anshan Iron and Steel Company Anshan 114001 Liaoning China

In flatness measuring system, the flatness measuring signal can be affected by the deflection of flatness measuring roll. The stress on flatness measuring roll was analyzed and a deflection model for the flatness measuring roll was obtained by using the influence function method. The model was developed on the basis of the deformation of flatness measuring roll in roiling process and compensation curve was obtained. The results indicated that the set curve of flatness is in good agreement with the online measured curve of flatness, and good strip flatness can be obtained.

关键词： flatness measuring roll deflection influence function method compensation curve

Data-based flatness prediction and optimization in tandem cold rolling

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Journal of Iron and Steel Research International 2021年第5期28卷 563-573页

作者： Jie Sun peng-fei Shan Zhen Wei Yao-hui Hu Qing-long wang Wen peng dian-hua Zhang State Key Laboratory of Rolling and Automation Northeastern UniversityShenyang 110819LiaoningChina Department of Mechanical Engineering North China Electric Power UniversityBaoding 071003HebeiChina

In cold rolling process,the flatness actuator efficiency is the basis of the flatness control *** precision of flatness is determined by the setpoints of flatness *** the presence of modeling uncertainties and unmodeled nonlinearities in rolling process,it is difficult to obtain efficiency factors and setpoints of flatness actuators *** on the production data,a method to obtain the flatness actuator efficiency by using partial least square(PLS)combined with orthogonal signal correction(OSC)was *** with the experiential method and principal component analysis method,the OSC-PLS method shows superior performance in obtaining the flatness actuator efficiency factors at the last ***,kernel partial least square combined with artificial neural network(KPLS-ANN)was proposed to predict the flatness values and optimize the setpoints of flatness *** with KPLS or ANN,KPLS-ANN shows the best predictive *** root mean square error,mean absolute error and mean absolute percentage error are 0.51 IU,0.34 IU and 0.09,*** the setpoints of flatness actuators are optimized,KPLS-ANN shows better optimization *** result in an average flatness standard deviation is 2.22 IU,while the unoptimized value is 4.10 IU.

关键词： Cold rolling Flatness actuator efficiency Data-driven prediction Partial least square Flatness control optimization

Precise Transceiver-Free Localization in Complex Indoor Environment

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China Communications 2016年第5期13卷 28-37页

作者： Rui Mao peng Xiang dian Zhang College of Computer Science and Software Shenzhen University

Transceiver-free object localization can localize target through using Radio Frequency(RF) technologies without carrying any device, which attracts many researchers' attentions. Most traditional technologies usually first deploy a number of reference nodes which are able to communicate with each other, then select only some wireless links, whose signals are affected the most by the transceiver-free target, to estimate the target position. However, such traditional technologies adopt an ideal model for the target, the other link information and environment interference behavior are not considered comprehensively. In order to overcome this drawback, we propose a method which is able to precisely estimate the transceiver-free target position. It not only can leverage more link information, but also take environmental interference into account. Two algorithms are proposed in our system, one is Best K-Nearest Neighbor(KNN) algorithm, the other is Support Vector Regression(SVR) algorithm. Our experiments are based on Telos B sensor nodes and performed in different complex lab areas which have many different furniture and equipment. The experiment results show that the average localization error is round 1.1m. Compared with traditional methods, the localization accuracy is increased nearly two times.

关键词： indoor localization transceiver-free radio map support vector regression