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机械设计与制造 2024年第1期395卷 327-331页

作者：李体仁周小琦杨文林黄超陕西科技大学机电工程学院陕西西安710021 广州中国科学研究院先进技术研究所广东广州511458

针对现有菌落挑取机器人挑取速度低、集成自动化程度低、挑针重复利用率低等问题,设计出一种多针同时操作的转盘式挑取机器人。首先,为保证主要受力部件(气缸安装版与转盘)的应力、应变在误差范围内,运用有限元分析软件ANSYS Workbench... 详细信息

针对现有菌落挑取机器人挑取速度低、集成自动化程度低、挑针重复利用率低等问题,设计出一种多针同时操作的转盘式挑取机器人。首先,为保证主要受力部件(气缸安装版与转盘)的应力、应变在误差范围内,运用有限元分析软件ANSYS Workbench分别对其校核了Z轴定位精度和平面定位精度,由静力学分析结果确定其强度可靠且精度满足设计要求,准确挑取;其次,为保证菌落挑取过程平稳,利用仿真软件ADAMS对菌落分度挑选机构(弧面分度凸轮)进行动力学分析,研究分度挑选机构的动态特性及其运动规律,发现各运动参数的仿真结果与理论相吻合,保证新型机器人在挑取过程中可以避免冲击和振动的发生。该结果表明:挑取机构的强度、刚度及运动的平稳性均满足要求,有效验证了设计的合理性。

关键词：菌落挑取机器人挑取机构有限元分析动力学仿真

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Major-minor element analysis in some plant seeds consumed as feed in Turkey

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Natural Science 2012年第5期4卷 298-303页

作者： Umran Hicsonmez Canan Ozdemir Sermin cam Ali Ozdemir F. Serap Erees Department of Biology Faculty of Sciences and Arts Celal Bayar University Manisa Turkey Department of Chemistry Faculty of Sciences and Arts Celal Bayar University Manisa Turkey Department of Mathematics Faculty of Sciences and Arts Celal Bayar University Manisa Turkey Department of physics Faculty of Sciences and Arts Celal Bayar University Manisa Turkey

In this study, samples (clover, oats, bean, green lentil, spinach, corn, red lentil and rice) taken from some seeds consumed as food by people and from plant seeds used as provender are examined. Element analysis (Al, B, Ba, Bi, Ca, Cd, Co, Cr, Cu, Fe, K, La, Mg, Mn, Na, Ni, pb, Sn, Sr, Sb, Si, ti, U, Zn and Zr) in these samples was measured by using ICp-OES. Ca, K and Mg as major elements in all samples are determined. As results of the element analysis, meaningful relations between the elements in seeds have been researched by making statistical comparisons using one way analysis of variance (ANOVA).

关键词： Seed Element Analysis ICp-OES ANOVA

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不同材料及厚度椅旁CAD/cam瓷贴面的边缘特征

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北京大学学报（医学版） 2022年第1期54卷 140-145页

作者：李怡王丽瑜刘晓强周倜吕季喆谭建国北京大学口腔医学院·口腔医院修复科国家口腔医学中心国家口腔疾病临床医学研究中心口腔数字化医疗技术和材料国家工程实验室北京100081 南京医科大学口腔医学院南京210029 烟台市口腔医院福山分院修复科烟台264001

目的:评价不同材料及厚度椅旁计算机辅助设计和计算机辅助制作(computer-aided design and computer-aided manufacturing,CAD/cam)瓷贴面的边缘粗糙度和边缘密合度,旨在为瓷贴面的临床应用提供参考。方法:在树脂人工牙上进行对接型瓷... 详细信息

目的:评价不同材料及厚度椅旁计算机辅助设计和计算机辅助制作(computer-aided design and computer-aided manufacturing,CAD/cam)瓷贴面的边缘粗糙度和边缘密合度,旨在为瓷贴面的临床应用提供参考。方法:在树脂人工牙上进行对接型瓷贴面牙体预备,利用扫描仪扫描预备体,利用椅旁切削设备CAD/cam瓷贴面。根据陶瓷材料类型(玻璃基陶瓷和树脂基陶瓷)及贴面厚度(0.3 mm和0.5 mm)将贴面分为4组(n=9),共36个。利用体式显微镜拍摄瓷贴面边缘形貌的数码照片,在软件内测量边缘粗糙度;利用间隙检查剂和数字化扫描与测量方法评价瓷贴面的边缘密合度;同时利用万能力学试验机测试玻璃基陶瓷和树脂基陶瓷条形试件(n=20)的力学性能。结果:厚度为0.3 mm和0.5 mm玻璃基陶瓷贴面的边缘粗糙度分别为(24.48±5.55)μm和(19.06±5.75)μm,差异有统计学意义(pp>0.05);玻璃基陶瓷贴面的边缘粗糙度大于树脂基陶瓷,差异有统计学意义(pp>0.05)。玻璃基陶瓷的弯曲强度为(327.40±54.25)Mpa,弯曲模量为(44.40±4.39)Gpa,回弹模量为(1.24±0.37)Mpa;树脂基陶瓷的弯曲强度为(173.71±16.61)Mpa,弯曲模量为(11.88±0.51)Gpa,回弹模量为(1.29±0.27)Mpa;玻璃基陶瓷的弯曲强度和弯曲模量大于树脂基陶瓷,差异有统计学意义(pp>0.05)。结论:椅旁CAD/cam玻璃基陶瓷贴面的边缘粗糙度大于树脂基陶瓷贴面,但二者的边缘密合度无显著差异。增加贴面厚度可降低玻璃基陶瓷贴面的边缘粗糙度,但对树脂基陶瓷贴面的边缘粗糙度无影响。

关键词：牙贴面陶瓷计算机辅助设计牙科边缘适合性材料试验

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Genomics homologous polygenes analysis of cultivars of Ganoderma sinense for molecular identification and new member of FIps exploration

Genomics homologous polygenes analysis of cultivars of Ganod...

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第十二届药用真菌学术研讨会

作者： ti-Qiang Chen Xiao-Lan Xu Chi Yang Lin Yang Zheng-He Ying Xiao-Kun Shi Meng-Guang Ding Institute of Edible Mushroom Fujian Academy of Agriculture Sciences National-Local Joint Engineering Research Center for Breeding and Cultivation of Featured Edible Mushroom Department of traditional Chinese medicine resources and bee products College of Animal Science(College of Bee Science) Fujian Agriculture and Forestry University Chengdu Jinxu Biotechnology Co. Ltd

‘Zizhi S2' is a domesticated cultivar of Ganoderma sinense for commercial cultivation more than 18 years in southern China, which registered as Ganoderma sp. TQC-2021a strain Zizhi S2（NCBI: txid2816325）.Objectives To develop a genome-wide identification to verify the taxonomic status of this domesticated cultivars, and expect to explore novel gene（s） with important function. Methods The whole genome of Zizhi S2（56.76Mb, 16,681 genes） have been completed（DOI: 10.13560/j.***.biotech.bull.1985.2021-1158）, and the assembled genome sequence and annotation information has been submitted to he Global pharmacopoeia Herbal Genome Database with open download link（http://***/species/409）, 98.15% of complete BUSCOs were recovered in genome assembly, and the high-confidence annotation rate was accounted to 90.6%. Comparative genomics analysis and orthologous genes identification were analyzed by CD-HIT and OrthoMCL,collinearity analyses and polygenetic sequence alignment were carry on by MUMmer and CLUSTAL w-2.1-Win.TreeBest software phyml algorithm was applied to construct phylogenetic trees of 10 members of Ganoderma FIp gene family and two member of outgroup,3-D model were building on the SWISS-MODEL website together with the homologous FIps. Results The collinearity exhibited the genome of ‘Zizhi S2' was 80.2% and 93.84% similar to reference genome of G. sinense ZZ0214-1 at the nucleotide and amino acid levels, respectively. And the core genes number between Zizhi S2 genome and reference genome of G. sinense ZZ0214-1 was 8,521 which presented 880 unique orthologous gene groups. Among that, at least seven highly conserved genes i.e. tef 1-α（translational elongation factor 1-alpha）, rpb2（RNA polymerase subunit 2）, β-tubulin（tubulin beta chain）, fip（fungal immunomodulatory protein）, cam（Ca2+-binding protein）, Mn-SOD（manganese superoxide dismutase） and Ve A（velvet factor family protein）, which commonly used in phylogenetics) displaied high similarity to 99.27～100%. So that it was confirmed that the cultivar Zizhi S2 is consp

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Large ferro-pyro-phototronic effect in 0.5Ba(Zr_(0.2)ti_(0.8))O_(3)-0.5(Ba_(0.7)Ca_(0.3))tiO_(3)thin films integrated on silicon for photodetection

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Carbon Energy 2023年第6期5卷 1-10页

作者： Josép.B.Silva Katarzyna Gwozdz Luís S.Marques Mario pereira Maria J.M.Gomes Judith L.MacManus‐Driscoll Robert L.Z.Hoye Centre of physics of Universities of Minho and porto(CF‐UM‐Up) University of MinhoBragaPortugal Laboratory of physics for Materials and Emergent Technologies LapMETUniversity of MinhoBragaPortugal Department of Quantum Technologies Faculty of Fundamental Problems of TechnologyWroclaw University of Science and TechnologyWroclawPoland Department of Materials Science and Metallurgy CambridgeUK Inorganic Chemistry Laboratory Department of ChemistryUniversity of OxfordOxfordUK Department of Materials Imperial College LondonLondonUK

Coupling together the ferroelectric,pyroelectric,and photovoltaic characteristics within a single material is a novel way to improve the performance of photodetectors.In this work,we take advantage of the triple multifunctionality shown by 0.5Ba(Zr_(0.2)ti_(0.8))O_(3)-0.5(Ba_(0.7)Ca_(0.3))tiO_(3)(BCZT),as demonstrated in an Al/Si/SiOx/BCZT/ITO thin-film device.The Si/SiOx acts as an n-type layer to form a metal-ferroelectric-insulator-semiconductor heterostructure with the BCZT,and with Al and ITO as electrodes.The photo-response of the device,with excitation from a violet laser(405 nm wavelength),is carefully investigated,and it is shown that the photodetector performance is invariant with the chopper frequency owing to the pyro-phototronic effect,which corresponds to the coupling together of the pyroelectric and photovoltaic responses.However,the photodetector performance was significantly better than that of the devices operating based only on the pyro-phototronic effect by a factor of 4,due to the presence of ferroelectricity in the system.Thus,after a poling voltage of−15 V,for a laser power density of 230mW/cm^(2)and at a chopper frequency of 400Hz,optimized responsivity,detectivity,and sensitivity values of 13.1mA/W,1.7×10^(10)Jones,and 26.9,respectively,are achieved.Furthermore,ultrafast rise and fall times of 2.4 and 1.5μs,respectively,are obtained,which are 35,000 and 36,000 times faster rise and fall responses,respectively,than previous reports of devices with the ferro-pyro-phototronic effect.This is understood based on the much faster ferroelectric switching in ferroelectric thin films owing to the predominant 180°domains in a single direction out of plane.

关键词： ferroelectric ferro-pyro-phototronic effect photodetector polarization-controlled response

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火炮身管膛线加工中电子凸轮控制方法

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兵工自动化 2006年第10期25卷 17-18页

作者：王体泮中国兵器工业第五八研究所绵阳圣维数控公司四川绵阳621000

采用数控技术改造传统机械靠模加工火炮膛线的方法,通过修改电子凸轮的控制参数以取代机械凸轮位置调整。即不同编号的电子凸轮对应Z轴上不同的机械位置,根据工艺控制过程,设置不同电子凸轮的控制属性,并通过光栅尺检测Z轴运动位置状况... 详细信息

采用数控技术改造传统机械靠模加工火炮膛线的方法,通过修改电子凸轮的控制参数以取代机械凸轮位置调整。即不同编号的电子凸轮对应Z轴上不同的机械位置,根据工艺控制过程,设置不同电子凸轮的控制属性,并通过光栅尺检测Z轴运动位置状况,产生中断信号通知系统控制程序完成其控制或直接产生控制。不同线型的膛线,只需重新调整相应的电子凸轮位置而不用调整其它机械开关,即可完成相关准备工作。

关键词：火炮膛线加工电子凸轮机械凸轮机械靠模

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