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基于区块链的异构网络终端信息安全访问控制

现代工业经济和信息化 2024年第8期14卷 90-93页

作者：赵雅琴三门峡市高级技工学校河南三门峡472000 三门峡社会管理职业学院河南三门峡472000

异构网络涉及多种设备和环境,存在安全风险。为此,提出基于区块链的异构网络终端信息安全访问控制方法。设计应用层、网络层和数据层,应用层保护区块链网络,网络层提高跨区域访问安全性,数据层完成数据存储和传输。实验结果表明,该方法... 详细信息

异构网络涉及多种设备和环境,存在安全风险。为此,提出基于区块链的异构网络终端信息安全访问控制方法。设计应用层、网络层和数据层,应用层保护区块链网络,网络层提高跨区域访问安全性,数据层完成数据存储和传输。实验结果表明,该方法在存在风险情况下控制时长短,误判率低,具有良好安全访问控制能力。

关键词：区块链异构网络终端信息安全访问控制

基于DenseNet和卷积注意力模块的高精度手势识别

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电子与信息学报 2024年第3期46卷 967-976页

作者：赵雅琴宋雨晴吴晗何胜阳刘璞秋吴龙文哈尔滨工业大学电子与信息工程学院哈尔滨150001 中国航天科工集团八五一一研究所南京211100

非接触的手势识别是一种新型人机交互方式,在增强现实(AR)/虚拟现实(VR)、智能家居、智能医疗等方面有着广阔的应用前景,近年来成为一个研究热点。由于需要利用毫米波雷达进行更精确的微动手势识别,该文提出一种新型的基于MIMO毫米波雷... 详细信息

非接触的手势识别是一种新型人机交互方式,在增强现实(AR)/虚拟现实(VR)、智能家居、智能医疗等方面有着广阔的应用前景,近年来成为一个研究热点。由于需要利用毫米波雷达进行更精确的微动手势识别,该文提出一种新型的基于MIMO毫米波雷达的微动手势识别方法。采用4片AWR1243雷达板级联而成的毫米波级联(MMWCAS)雷达采集手势回波,对手势回波进行时频分析,基于距离-多普勒(RD)图和3D点云检测出人手目标。通过数据预处理,提取手势目标的距离-时间谱图(RTM)、多普勒-时间谱图(DTM)、方位角-时间谱图(ATM)和俯仰角-时间谱图(ETM),更加全面地表征手势的运动特征,并形成混合特征谱图(FTM),对12种微动手势进行识别。设计了基于DenseNet和卷积注意力模块的手势识别网络,将混合特征谱图作为网络的输入,创新性地融合了卷积注意力模块(CBAM),实验表明,识别准确率达到99.03%,且该网络将注意力放在手势动作的前半段,实现了高精度的手势识别。

关键词：手势识别毫米波雷达卷积神经网络卷积注意力模块

超声引导下TAP阻滞对妇科腹腔镜手术患者麻醉效果及术后镇痛的影响

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实用妇科内分泌电子杂志 2024年第13期11卷 24-26页

作者：孟超赵亚琴南通市如东县中医院麻醉科江苏南通226400

目的探讨超声引导下TAP阻滞技术应用于妇科腹腔镜手术的麻醉效果及在术后镇痛方面的优势。方法选取100例腹腔镜手术患者,根据随机数字表法将患者分为两组,每组50例。对照组应用常规静脉镇痛干预,试验组采用超声引导下TAP阻滞麻醉。比... 详细信息

目的探讨超声引导下TAP阻滞技术应用于妇科腹腔镜手术的麻醉效果及在术后镇痛方面的优势。方法选取100例腹腔镜手术患者,根据随机数字表法将患者分为两组,每组50例。对照组应用常规静脉镇痛干预,试验组采用超声引导下TAP阻滞麻醉。比较两组患者心率、血压水平、手术麻醉效果、术后疼痛评分与镇痛状况。结果试验组患者心率、血压水平、手术麻醉效果及术后疼痛评分与镇痛状况均明显优于对照组(P<0.05)。结论超声引导下TAP阻滞可用于腹腔镜手术,对妇科疾病的手术治疗有着较为突出的麻醉作用,值得临床推广与应用。

关键词：妇科腹腔镜手术超声引导 TAP阻滞麻醉效果术后镇痛

Stability of proteins with multi-state unfolding behavior

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Science China Chemistry 2012年第7期55卷 1351-1357页

作者： YANG BinSheng SONG Zhen ZHENG XiaoYan zhao yaqin Institute of Molecular Science Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of EducationShanxi UniversityTaiyuan 030006China

A new model used to calculate the free energy change of protein unfolding is presented. In this model, proteins are considered to be composed of structural elements. The unfolding of a structural element obeys a two-state mechanism and the free energy change of the element can be obtained by a linear extrapolation method. If a protein consists of the same structural elements, its unfolding will displays a two-state process, and only the average structural element free energy change 〈△G0 element（H2O）〉 can be measured. If protein consists of completely different structural elements, its unfolding will show a multi-state behavior. When a protein consists of n structural elements its unfolding will shows a （n＋1）-state behavior. A least-squares fitting can be used to analyze the contribution of each structural element to the protein and the free energy change of each structural element can be obtained by using linear extrapolation to zero denaturant concentration, not to the start of each transition. The measured △Gn protein（H2O） is the sum of the free energy change for each structural element. Using this new model, we can not only analyze the stability of various proteins with similar structure and similar molecular weight, which undergo multi-state unfolding processes, but also compare the stability of proteins with different structures and molecular weights using the average structural element free energy change 〈△G0 element（H2O）〉. Although this method cannot completely provide the exact free energy of proteins, it is better than current methods.

关键词： new model protein stability multi-state unfolding CopC

Fractionation of residual Al in natural water treatment from reservoir with poly-aluminum-silicate-chloride (PASiC): Effect of OH/Al, Si/Al molar ratios and initial pH

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Journal of Environmental Sciences 2012年第11期24卷 1908-1916页

作者： Zhonglian Yang Baoyu Gao Yan Wang yaqin zhao Qinyan Yue Shandong Key Laboratory of Water Pollution Control and Resource Reuse School of Environmental Science and EngineeringShandong UniversityJi'nan 250100China

An aluminum fractionation study was conducted for a surface reservoir water treatment to understand the performance of poly- aluminum-silicate-chloride （PASiC） in terms of the residual A1 fractions as a function of initial pH. The coagulation performance expressed as turbidity and organic matter removal was established as supporting data. Some extra data were evaluated in terms of the residual A1 ratio of the composite PASiC coagulant. The main residual A1 sources were the A1 fractions derived from the use of PASiC. The turbidity and organic matter removal ability was optimal at initial pH 6.00-7.00, while the concentrations of various residual A1 species and the residual A1 ratio of PASiC were minimal at an initial pH range of 7.00-8.00. Under the conditions of OH/AI molar ratio = 2.00 and Si/A1 molar ratio = 0.05, PASiC had superior coagulation performance and comparatively low residual A1 concentrations. The A1 fraction in the composite PASiC coagulant seldom remained under such conditions. Experimental data also indicated that the suspended （filterable） AI fraction was the dominant species, and organic-bound or organo-A1 complex A1 was considered to be the major species of dissolved A1 in water treated by PASiC coagulation. Additionally, the dissolved inorganic monomeric A1 species dominated the dissolved monomeric A1 fraction.

关键词： coagulation performance OH/A1 and Si/AI molar ratio poly-aluminum-silicate-chloride (PAniC) resi0ual AI speclataon residual A1 ratio

Fluorescence study on the interaction between apoCopC and cupric

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Chinese Science Bulletin 2005年第20期50卷 2302-2305页

作者： PANG Erguo zhao yaqin YANG Binsheng Institute of Molecular Science Chemical Biology and Molecular Engineering Laboratory of Ministry of Education Shanxi University Taiyuan 030006 China

The interaction between apoCopC and cupric was investigated by fluorescence spectra, in phosphate (20 mmol/L) buffer at pH 6.0. Results suggest that the environ- ment is measured to be hydrophobic completely around tryptophan (83). At the same time, apoCopC fluorescence at 320 nm was significantly quenched with the addition of cu- pric and the 1:1 stoichiometric ratio of apoCopC to cupric was confirmed by fluorescence. In addition, the conditional binding constants were calculated to be KCu-Copc = (1.8±0.58)× 1013 mol?1 L on the basis of the results of fluorescence titra- tion curves. The apoCopC has the ability to bind specifically cupric ion.

关键词： apoCopC 荧光性交互作用二价铜光谱

Properties of Molten Potassium Niobate System

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Chinese Physics Letters 1995年第2期12卷 83-86页

作者： HONG Xinguo LU Kunquan zhao yaqin WU Xing Institute of Physics Academia SinicaBeijing 100080

The density and surface tension of the K_(2)O-Nb_(2)O_(5) molten system between 50 and 56mol%K_(2)O melts were measured from 1080 to 1180℃.The concentration of K_(2)O from 50 to 56mol%in melt not only caused the density of melt to decrease,but also induced the surface tension to *** composition gradient and the temperature coefficient of density exist extremum within this composition *** properties are possibly employed to explain why the KNbO3 crystal should be grown at the composition from 52 to 54mo1%K_(2)O at above 1150℃.

关键词： tension surface coefficient

Binding of Euplotes octocarinatus centrin with target peptide melittin

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Chinese Science Bulletin 2007年第23期52卷 3216-3220页

作者： zhao yaqin FENG JiuYing LIANG AiHua YANG BinSheng Institute of Molecular Science Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education Shanxi University Taiyuan 030006 China Institute of Biotechnology Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education Shanxi University Taiyuan 030006 China

Interactions between model target peptide melittin (ME) and Euplotes octocarinatus centrin (EoCen) were investigated by fluorescence spectra, circular dichroism (CD) spectra and native polyacrylamide gel electrophoresis (PAGE). In 0.1 mol/L N-2-hydroxyethylpiperazine-N-2-ethanesulfonic acid (Hepes) and 150 mmol/L NaCl at pH 7.4, EoCen and isolated short C-terminal domain of EoCen (SC-EoCen) form 1:1 peptide:protein complexes. However, no detectable signal changes can be observed while isolated N-terminal domain of EoCen (N-EoCen) or isolated long C-terminal domain of EoCen (LC-EoCen) was added into solution of ME. The interaction between EoCen and ME is specified exclusively for the short C-terminal domain of EoCen. On the basis of fluorescence titration curves, the conditional binding constants of ME with EoCen and SC-EoCen were calculated to be logKME-EoCen = 6.81±0.33 and log- KME-SC-EoCen = 6.51±0.45, respectively.

关键词：蜂毒肽光谱缩氨酸生物学

基于长三角人才一体化态势分析的协同共育人才培养模式研究

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创新创业理论研究与实践 2024年第18期7卷 129-131+151页

作者：张广明赵亚琴殷晶晶南京工业大学研究生院南京林业大学机械电子工程学院

为适应长三角经济一体化发展对高层次创新人才的新需求，该文通过对各种因素（优势、不足、机会、挑战）的分析，探索基于“联盟引领、共享共建、协同开放”的长三角一体化人才培养模式框架和实践路径；主要阐述了“校企地”联盟引领，... 详细信息

为适应长三角经济一体化发展对高层次创新人才的新需求，该文通过对各种因素（优势、不足、机会、挑战）的分析，探索基于“联盟引领、共享共建、协同开放”的长三角一体化人才培养模式框架和实践路径；主要阐述了“校企地”联盟引领，以及建设“共建、共用、共育、共服”的共享服务平台和产教融创共享课程资源的策略，提出的人才培养模式不仅可以服务长三角地区，而且可以为其他区域的人才一体化培养提供新的思路。

关键词：长三角一体化人才一体化态势分析协同共育人才培养模式共建共享