云南高校图书馆联盟文献共享服务平台- 国家自然科学基金(11174141)

国家自然科学基金(11174141): 作品数：11被引量：28H指数：3; 导出分析报告; 相关作者：章东郭霞生屠娟王珺肖齐更多>>; 相关机构：南京大学教育部南京中医药大学重庆医科大学更多>>; 相关期刊：《Science Bulletin》《物理学报》《科学通报》《Chinese Physics B》更多>>; 相关主题：超声无损检测超声非线性超声造影剂MODELING_OF更多>>; 相关领域：理学医药卫生电子电信生物学更多>>

复合法布里-珀罗共振声学结构实现亚波长超声聚焦的研究被引量：3: 《声学学报》2016年第2期189-194,共6页邱媛媛林洲章东; 国家自然科学基金(11374155,11174141,11104140,11204144);江苏省自然科学基金(BK2012226)资助; 提出一种多通道的声学结构,实现超声平面波的亚波长聚焦。该声学结构由整数倍长度的亚波长孔径组成,所有的通道同时产生法布里一珀罗共振,含有亚波长信息的倏逝波与结构中的透射共振模式耦合放大,实现亚波长聚焦;进一步在结构表面添加凹...; 关键词：超声聚焦声学结构透射共振亚波长法布里-珀罗复合结构表面传输增益

超声造影剂微气泡的包膜黏弹特性的定量表征研究被引量：4: 《物理学报》2015年第11期239-244,共6页郭各朴张春兵屠娟章东; 国家重点基础研究发展计划(批准号:2011CB707900);国家自然科学基金(批准号:81127901,81227004,81171659,11374155,11174141,11104140,11161120324);国家高技术研究发展计划计划(批准号:2012AA022702))资助的课题~~; 包膜黏弹特性显著影响微气泡超声造影剂的诊断及治疗应用效果.本文结合原子力显微镜技术及声衰减特性测量提出了一种对微气泡造影剂包膜黏弹特性定量表征的新方法.首先采用原子力显微镜技术进行机械特性分析得到包膜微气泡的有效硬度及...; 关键词：超声造影剂微气泡原子力显微镜黏弹特性声衰减特性

Investigation on the relationship between overpressure and sub-harmonic response from encapsulated microbubbles被引量：2: 《Chinese Physics B》2014年第10期268-274,共7页吴军范庭波许迪章东; Project supported by the National Basic Research Program from Ministry of Science and Technology,China(Grant No.2011CB707900);the National Natural Science Foundation of China(Grant Nos.81271589,81227004,11174141,11374155,11612032,and 81301616);the Natural Science Foundation of Jiangsu Province,China(Grant Nos.BE2011110 and BK20131017); Sub-harmonic component generated from microbubbles is proven to be potentially used in noninvasive blood pressure measurement. Both theoretical and experimental studies are performed in the present work to investigate...; 关键词：MICROBUBBLE OVERPRESSURE sub-harmonic response blood pressure measurement

Molecular structure dependence of acoustic nonlinearity parameter B/A for silicone oils: 《Chinese Physics B》2014年第5期333-338,共6页张喆陈功章东; Project supported by the National Basic Research Program of China(Grant No.2011CB707900);the National Natural Science Foundation of China(Grant Nos.81127901,11174141,61072027,and 11374155);the Natural Science Foundation of Jiangsu Province,China(Grant No.BE2011110); Exploring new acoustic parameters is essential to develop a noninvasive imaging technique for the surgery of silicone oil tamponades. In this study, the acoustic nonlinearity parameters B/A of varied silicone oil samp...; 关键词：acoustic nonlinearity parameter molecular structure modified thermodynamic method siliconeoil

球形集声器在生物组织中形成的组织损伤被引量：3: 《物理学报》2014年第4期167-172,共6页耿昊范庭波张喆屠娟郭霞生李发琪章东; 国家重点基础研究发展计划(批准号:2011CB707900);国家自然科学基金(批准号:81127901,81227004,11374155,11174141,11104140,11161120324);江苏省自然科学基金(批准号:BK20131017,BE2011110);教育部新世纪优秀人才支持计划(批准号:NCET-11-0236)资助的课题~~; 球形集声器可在亚波长焦域内形成高强度声压,在高强度聚焦超声治疗中具有潜在应用前景.本文结合非线性声传播理论及生物传热学理论,研究球形集声器在生物组织中形成的组织损伤.实验中采用430 kHz,内径为240 mm的球形集声器对肝组织作用...; 关键词：球形集声器组织损伤高强度聚焦超声

Modeling of the nonlinear acoustic field generated from a phased array using Gaussian superposition technique被引量：4: 《Chinese Journal of Acoustics》2013年第4期357-365,共9页XU Yang GUO Xiasheng ZHANG Dong; supported by the National Basic Research Program 973(2011CB707900);National Natural Science Foundation of China(81127901,81227004,11174141,11274170 and 11161120324);the Natural Science Foundation of Jiangsu Province of China(BK2011543 and BE2011110);the National High Technology Research and Development Program 863(2012AA022700);the Priority Academic Program Development of Jiangsu Higher Education Institutions; The nonlinearity has significant effect on the ultrasonic therapy using phased ar- rays. A numerical approach is developed to calculate the nonlinear sound field generated from a phased array based on the Gaussian sup...; 关键词：Modeling of the nonlinear acoustic field generated from a phased array using Gaussian superposition technique mode

Nonlinear oscillation of pathological vocal folds during vocalization被引量：1: 《Science China(Physics,Mechanics & Astronomy)》2013年第7期1324-1328,共5页WAN Ni PENG DanDan SUN Min ZHANG Dong; supported by the National Basic Research Program of China(Grant No. 2011CB707900);the National Natural Science Foundation of China(Grant Nos. 81127901, 11174141 and 11161120324);the State Key Laboratory of Acoustics, Chinese Academy of Sciences; The extended two-mass model is adopted to analyze the nonlinear oscillation of pathological vocal folds during vocalization. Redundant tissue or area in laryngeal patients is modeled as a massless rigid connected to t...; 关键词：nonlinear oscillation two-mass model asymmetrical vocal fold

固体粗糙界面与超声的非线性相互作用研究被引量：8: 《物理学报》2013年第9期275-280,共6页肖齐王珺郭霞生章东; 国家重点基础研究发展计划(973计划)(批准号:2011CB707900);国家自然科学基金(批准号:81127901,11161120324,11174141,11104140);江苏省自然科学基金(批准号:BE2011110,BK2011543)资助的课题~~; 本文提出了一种随机弹性接触界面与超声的非线性相互作用理论.首先建立了描述随机弹性接触界面的模型,然后分别研究了界面间应力-应变关系在线性简化模型、指数模型、高斯模型下与超声的非线性相互作用.数值仿真和实验研究结果均表明高...; 关键词：超声无损检测固体粗糙界面非线性效应

Lesions in Porcine Liver Tissues Created by Continuous High Intensity Ultrasound Exposures in Vitro被引量：2: 《Chinese Physics Letters》2013年第2期151-154,共4页ZHANG Zhe CHEN Tao ZHANG Dong; Supported by the National Basic Research Program of China under Grant No 2011CB707900;the National Natural Science Foundation of China(81127901,11174141,81227004 and 11161120324);the State Key Laboratory of Acoustics,Chinese Academy Sciences.; Lesions in porcine liver tissues created by continuous high intensity focused ultrasound(HIFU)exposures in vitro are theoretically and experimentally investigated,with the transmitter moving along a linear path at a f...; 关键词：LESIONS LIVER ULTRASOUND

Detection and tracking of clathrin-coated pits in biological images: 《Chinese Science Bulletin》2012年第7期729-735,共7页LIU ZhiFeng GE Yun ZHANG Dong ZHOU XiaoBo; supported by the National Basic Research Program of China (2011CB707900);the National Natural Science Foundation of China (10974093, 11174141);the Fundamental Research Funds for the Central Universities (1103020402, 1116020410 and 1112020401); Dynamically tracking hundreds of individual pits is essential to determine whether there exist "hot spots" for the formation of clathrin-coated pits or if the pits formed randomly on the plasma membrane. We propose an...; 关键词：检测精度生物图像动态跟踪网格小波变换阈值选择贪婪算法跟踪算法

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

国家自然科学基金(11174141)

检索结果分析

下载全文

高级检索检索式检索

时间限定

期刊范围

学科限定全选

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

国家自然科学基金(11174141)

检索结果分析

下载全文

用户登录

高级检索检索式检索