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基于MCU的以太网型PLC设计与实现

现代制造工程 2020年第8期 137-140页

作者：庞博华大半导体有限公司上海201210

针对目前对于可编程控制器网络通信的大量需求,提出了一种基于MCU的以太网型PLC设计方案。在MCU中集成基于IEC61131-3标准的嵌入式CLR运行时系统,并设计和开发了适用于PLC应用的功能块,支持通过以太网与其他PLC和工控设备通信,以及通过... 详细信息

针对目前对于可编程控制器网络通信的大量需求,提出了一种基于MCU的以太网型PLC设计方案。在MCU中集成基于IEC61131-3标准的嵌入式CLR运行时系统,并设计和开发了适用于PLC应用的功能块,支持通过以太网与其他PLC和工控设备通信,以及通过以太网在线编程。实践证明,基于MCU的以太网型PLC方案合理可靠,性能良好,性价比高。

关键词：可编程控制器单片机以太网

从自然到本性的回归——现代纤维艺术中的自然主题

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装饰 2006年第9期 101-102页

作者：庞礴清华大学美术学院

本文主要论述了现代纤维艺术中自然主题的内容、延展及现实意义。现代纤维艺术家们选择自然主题进行创作并不是一种偶然现象,而是顺应了时代和社会发展的需要。自然主题的现代纤维艺术拉近了人与自然的关系,也包含了艺术家对于本性回归... 详细信息

本文主要论述了现代纤维艺术中自然主题的内容、延展及现实意义。现代纤维艺术家们选择自然主题进行创作并不是一种偶然现象,而是顺应了时代和社会发展的需要。自然主题的现代纤维艺术拉近了人与自然的关系,也包含了艺术家对于本性回归的思考和探索,是艺术家和观赏者的情感寄托。

关键词：纤维艺术自然本性

含油气盆地砂岩目的层油气富集主控因素与基本模式——以渤海湾盆地南堡凹陷新近系砂岩油气藏为例

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石油学报 2019年第5期40卷 519-531页

作者：庞礴董月霞陈迪庞雄奇油气资源探测国家重点实验室北京102249 中国石油大学(北京)地球科学学院北京102249 中国石油冀东油田公司河北唐山063004

随着油气勘探开发难度越来越大,探究油气富集的主控因素并建立地质模式对于提高勘探成效具有重要的现实意义。以渤海湾盆地南堡凹陷为例,采用统计分析法研究了822口探井中8 520个砂岩目的层段油气富集程度的影响因素与变化特征。分析表... 详细信息

随着油气勘探开发难度越来越大,探究油气富集的主控因素并建立地质模式对于提高勘探成效具有重要的现实意义。以渤海湾盆地南堡凹陷为例,采用统计分析法研究了822口探井中8 520个砂岩目的层段油气富集程度的影响因素与变化特征。分析表明,含油气目的层的孔渗结构、毛细管压力差以及周边源岩的排烃条件是影响油气富集的关键要素。源岩的排烃提供了物质基础,目的层的孔渗结构决定了容积空间,毛细管压力差是油气运移聚集的关键动力,三者缺一不可。在3种要素联合作用下,油气的富集程度随埋藏深度增大呈现出规律性变化。在初始埋藏阶段,目的层的孔隙空间大,但由于内、外毛细管压力差太小且源岩供烃量不足而不利于油气富集;在中等埋深阶段,源岩供烃充足,目的层的孔隙空间较大,内、外毛细管压力差大而有利于油气富集;在埋深较大阶段,源岩供烃潜力减弱,目的层的孔隙空间小,内、外毛细管压力差低,油气富集程度变差;在埋深非常大的阶段,源岩供烃潜力枯竭,目的层中束缚水的饱和度达100%,内、外毛细管压力差消失,油气不能富集成藏。油气的富集模式从机制上解释了高孔渗目的层不一定富集油气、低孔渗目的层有时能够高度富集油气的地质现象,为复杂条件下评价和优先钻探目标提供了新思路和新方法。

关键词：油气成藏新近系砂岩目的层南堡凹陷渤海湾盆地

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基于二元互补调制模式的波前重构（英文）

光子学报 2018年第10期47卷 64-73页

作者：庞博清王帅杨平中国科学院自适应光学重点实验室成都610209 中国科学院大学北京100049 中国科学院光电技术研究所成都610209

为了提高波前探测过程中的波前采样频率,提出了一种基于二元互补模式的波前重构方法.该方法利用二元互补调制模式下获得的远场焦点光强信息对光场实部进行重构,进而通过光束的光强分布对光场虚部进行重构.该方法避免了额外调制模式的使... 详细信息

为了提高波前探测过程中的波前采样频率,提出了一种基于二元互补模式的波前重构方法.该方法利用二元互补调制模式下获得的远场焦点光强信息对光场实部进行重构,进而通过光束的光强分布对光场虚部进行重构.该方法避免了额外调制模式的使用,将波前重构过程中所使用的调制模式的数量缩减为原有方法的2/3,提升了波前采样频率.通过数值仿真对光强分布不均匀的待测光束的波前进行了重构,并利用实验对倾斜像差进行了测量重构,验证了该方法的可行性.

关键词：自适应光学波前探测振幅调制波前像差大气湍流 Zernike拟合

Structural Variation of the Superintegron in the Toxigenic Vibrio cholerae O1 El Tor

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Biomedical and Environmental Sciences 2011年第6期24卷 579-592页

作者： GAO Yan pang bo WANG Hai Yin ZHOU Hai Jian CUI Zhi Gang KAN Biao State Key Laboratory for Infectious Disease Prevention and Control National Institute for Communicable DiseaseControl and Prevention Chinese Center for Disease Control and Prevention Beijing 102206 China

Objective To understand the genetic structures and variations of the superintegron （Sl） in Vibrio cholerae isolated in the seventh cholera pandemic. Methods Polymerase chain reaction scanning and fragment sequencing were used. Sixty toxigenic V. cholerae O1 El Tor strains isolated between 1961 and 2008 were analyzed. Results Some variations were found, including insertions, replacements, and deletions. Most of the deletions were probably the result of recombination between V. cholerae repeat sequences. The majority of the variations clustered together. The Sis of the strains isolated in the 1960s and 1970s showed more diversity, whereas SI cassette variations in strains isolated in the 1990s and after were lower, with -24 kb signature sequence deletion. This indicates the predominant Sl in the host during the epidemic in the 1990s and after. The insertion cassettes suggested the mobilization from the Sls of other V. cholerae serogroups and Vibrio mimicus. Conclusion The study revealed that structural variations of Sis were obvious in the strains isolated in epidemics in different decades, whereas the divergence was based on syntenic structure of Sis in these El Tot strains. Also, the continuing cassette flows in the Sis of the host strains during the seventh cholera pandemics were displayed.

关键词： Superintegron Cassette Vibrio cholerae

From the imbalance of tumor amino acid metabolism,the application of fuzheng detoxification method in interfering with the transformation of colitis cancer was discussed

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Microenvironment & Microecology Research 2022年第3期4卷 15-18页

作者： Yi Li Gui-Jie Wang Lu Feng bo pang Guang'anmen Hospital China Academy of Chinese Medical SciencesBeijing 100053China College of Traditional Chinese Medicine Shandong University of Traditional Chinese MedicineJinan 250014China

Objective:From the perspective of tumor amino acid metabolism imbalance,the application of fuzheng detoxification method in intervening in the transformation of colitis cancer was ***:By consulting CNKI's concept of tumor microenvironment,energy metabolism,amino acid metabolism,and colitis cancer transformation,it provides theoretical and data support for research ***:The study found that the transformation of colitis cancer refers to the metabolic imbalance of the tumor microenvironment under the condition of repeated stimulation of chronic inflammatory responses of colon tissue,which is mainly related to energy metabolism,sugar metabolism,fat metabolism,and amino acid metabolism imbalance,which promotes the transformation of the inflammatory microenvironment to the tumor *** acids as an important source of nutrients for cells,its metabolic imbalance is an important cause of inflammation and cancer ***:Chinese medicine believes that the transformation of inflammation and cancer is mainly related to the incurable treatment of evil in the internal organs,the loss of Qi,and the poison damage to the blood *** cancer disease mechanism is always positive deficiency and stasis,the pathogenesis is based on the virtual standard,the virtual and real are mixed,and the clinical use of correct detoxification to adjust the balance of the body.

关键词： chronic colitis inflammatory carcinogenesis amino acid metabolism correct detoxification

Sweet sorghum for phytoremediation and bioethanol production

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Journal of Leather Science and Engineering 2021年第1期3卷 360-382页

作者： Ming‑Zhao Xiao Qian Sun Si Hong Wei‑Jing Chen bo pang Zhi‑Yan Du Wen‑Bin Yang Zhuohua Sun Tong‑Qi Yuan Beijing Key Laboratory of Lignocellulosic Chemistry Beijing Forestry UniversityBeijing 100083China Yuan Longping High‑Tech Agriculture Co. LtdChangsha 410000China Inner Mongolia Lignicell Bio‑Refining Co. LtdBaotou 014000China

As an energy crop,sweet sorghum(Sorghum bicolor(L.)Moench)receives increasing attention for phytoremedia‑tion and biofuels production due to its good stress tolerance and high biomass with low input *** sorghum possesses wide adaptability,which also has high tolerances to poor soil conditions and *** rapid growth with the large storage of fermentable saccharides in the stalks offers considerable scope for bioethanol pro‑***,sweet sorghum has heavy metal tolerance and the ability to remove cadmium(Cd)in ***,sweet sorghum has great potential to build a sustainable phytoremediation system for Cd‑polluted soil remediation and simultaneous ethanol *** implement this strategy,further efforts are in demand for sweet sorghum in terms of screening superior varieties,improving phytoremediation capacity,and efficient bioetha‑nol *** this review,current research advances of sweet sorghum including agronomic requirements,phytoremediation of Cd pollution,bioethanol production,and breeding are ***,crucial problems for future utilization of sweet sorghum stalks after phytoremediation are combed.

关键词： Sweet sorghum Bioenergy crop Phytoremediation Cadmium,Bioethanol Pretreatment

Relationship between impact of dose distribution and energy of radioactive ray for metal contraceptive ring

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The Chinese-German Journal of Clinical Oncology 2010年第8期9卷 482-485页

作者： Jianwen Zhang Huiqun Luo bo Yang Haowen pang Department of Oncology Affiliated Hospital of Luzhou Medical College Luzhou 646000 China

Objective： We studied the relationship between impact of dose distribution and energy of radioactive ray in teletherapy with contraceptive ring. Methods： The SI Virtual Water Phantom was used to monitor medium of dose. PTW ionization chamber was used to detect the dose. AP-PA （10 cmx 10 cm） and SAD technique were adopted. Monitoring dose of different locations with different energy of radioactive ray in AP and PA respectively with and without contraceptive ring, repeated 5 times. Results： Dose of with contraceptive ring was lower than that of without contraceptive ring in AP 6 MV- X-ray （P 〈 0.05）, while in PA was no obvious difference （P 〉 0.05）. Dose of except for the center was higher than that of without contraceptive ring in AP and PA 15 MV-X-ray （P 〈 0.05）. For locations, doses of the upper, the left and right were higher than that of the center in AP 6 MV-X-ray （P 〈 0.05）, while in PA was lower （P 〉 0.05）. In AP and PA 15 MV-X-ray, doses of the upper, the left and right was higher than that of the center （P 〈 0.05）. Conclusion： Metallic contraceptive ring would effect the dose distribution of radioactive ray, but influence degree related to locations of contraceptive ring and energy of radioactive ray.

关键词： contraceptive ring radiotherapy dose

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智慧低碳城镇研究进展

地理科学进展 2015年第9期34卷 1135-1147页

作者：庞博方创琳中国科学院地理科学与资源研究所北京100101 中国科学院大学北京100049

智慧低碳城镇是城市健康可持续发展研究的热点和前沿。本文利用文献计量方法和通过对相关文献资料的回顾,梳理总结了智慧低碳城镇的研究概况、含义、测度方法和指标体系、应用实践、基本模式和主要政策。结果表明:智慧低碳城镇研究尚处... 详细信息

智慧低碳城镇是城市健康可持续发展研究的热点和前沿。本文利用文献计量方法和通过对相关文献资料的回顾,梳理总结了智慧低碳城镇的研究概况、含义、测度方法和指标体系、应用实践、基本模式和主要政策。结果表明:智慧低碳城镇研究尚处于初期起步阶段,虽然众多应用实践已进入规划、试点和示范阶段,政策支持也不断充足完善,但迄今尚无确切统一的定义,缺乏通用性和权威性的指标体系,发展机制和模式研究较少。因此,未来应在明晰基本含义的基础上,构建适用的测度评价体系,并注重相应的动力机制、模式路径和模拟优化调控研究,为城市的健康可持续发展提供科学依据。

关键词：智慧低碳城镇发展进展评述