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A System of Treatment for Correlation Signals

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Wuhan University Journal of Natural Sciences 1998年第3期3卷 50-54页

作者： Zhang Shihai Zou Xianwu Zhang Wenbin yuan Changying Hu jindong jin Zhunzhi Peng Min

Correlator is the critical equipment of the correlational technique. A kind of correlator with double count systems, composed of IC(Integrate Circuit) chips is developed. It is linked to a computer through interface. Using this system, the autocorrelation function of a digital signal(trains of pulses) is obtained and sent to a computer for further treatment.

关键词： digital signal IC chip autocorrelation

Comparative study on the effect of interventional and conservative therapy on the prognosis of patients with ruptured descending thoracic aorta

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South China Journal of Cardiology 2019年第3期20卷 140-145页

作者： LI Ming-min MA Hua LI Jie LIU yuan XIE Nian-jin Department of Cardiology Guangdong Provincial Cardiovascular Institute Guangdong General Hospital Guangdong Academy of Medical Sciences

Background Rupture of descending thoracic aorta is a rare but lethal disease. Compared with open surgery,thoracic endovascular aortic repair(TEVAR)becomes a less invasive procedure in emergent management of patients with feasible anatomy. Nevertheless,mortality remains high as well as morbidity despite successful operation. The purpose of this study was to compare TEVAR with conservative therapy on the 30-day mortality of patients with ruptured descending thoracic aorta. Methods Retrospective analysis of patients admitted to our hospital with descending thoracic aortic rupture was performed. Patients presented with rupture of descending thoracic aorta with feasible anatomy for TEVAR between Jan 2014 and June 2019 were included. Patients were divided into operative and conservative group depending on which therapy they received. Patients received TEVAR were defined as the operative group,while those received conservative therapy were defined as conservative treatment group. Results There were twenty-six patients in total,including fifteen aortic dissections,nine were thoracic aneurysms,and two were traumatic injuries. Theie mean age was 60±13 years with only two female. Seven patients(27%)presented with shock and twenty-two(85%)was accompanied with hemothorax on admission. Nineteen patients(73%)accepted emergent TEVAR with 100% primary technical success,and the other seven received conservative treatment. In operative group,infection(89%)and respiratory failure(63%)occurred after TEVAR. The in-hospital mortality for operative and conservative treatment group was 26% and 57% respectively(P=0.18). Operative group had lower 30-day mortality(26% vs. 86%,P=0.021). Conclusions TEVAR is associated with improved early outcome in patients with ruptured descending thoracic aorta.[S Chin J Cardiol 2019;20(3):140-145]

关键词： rupture of descending thoracic aorta thoracic endovascular aortic repair(TEVAR) conserva tive treatment

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壳体厚度对传爆药慢速烤燃响应的研究

中国安全生产科学技术 2011年第3期7卷 61-64页

作者：张晋元中北大学化工与环境学院太原030051

针对传爆药在制造、存贮、运输及实战环境中可能会遭受意外的热刺激,本文通过壳体厚度对传爆药慢速烤燃响应特性的影响的实验研究,来检测弹药对意外刺激的敏感程度和发生反应时的剧烈程度,并对实验结果进行了分析。实验以钝化RDX为主装... 详细信息

针对传爆药在制造、存贮、运输及实战环境中可能会遭受意外的热刺激,本文通过壳体厚度对传爆药慢速烤燃响应特性的影响的实验研究,来检测弹药对意外刺激的敏感程度和发生反应时的剧烈程度,并对实验结果进行了分析。实验以钝化RDX为主装药,以45#钢为壳体,利用自行设计的慢速烤燃试验系统对其进行试验。结果表明:在相同装药条件下,随着壳体厚度的增加,单位时间内传热量减少,体系升温速率减慢,炸药的烤燃时间随之增加,热爆炸延滞期增长;同时,随着壳体厚度的增加传爆药发生慢速烤燃反应的温度升高,热敏感程度降低,热安定性也随之提高。另外,在相同装药条件下,壳体厚度对慢速烤燃响应的剧烈性也有很大得影响。烤燃反应的剧烈程度随着壳体厚度的增大而减小。

关键词：慢速烤燃壳体厚度爆炸力学烤燃特性

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虹膜图像采集装置的设计

仪表技术与传感器 2014年第12期 50-53页

作者：苑玮琦金爽沈阳工业大学视觉检测技术研究所辽宁沈阳110870

设计一个用于医疗诊断的接触式虹膜图像采集装置。该装置由光学系统和数据传输电路构成。光源发光强度低,可控双LED光源配合遮挡装置以避免外界干扰和光斑干扰。图像数据传输由CMOS图像传感器和USB2.0接口芯片完成,使用批量传输方式。... 详细信息

设计一个用于医疗诊断的接触式虹膜图像采集装置。该装置由光学系统和数据传输电路构成。光源发光强度低,可控双LED光源配合遮挡装置以避免外界干扰和光斑干扰。图像数据传输由CMOS图像传感器和USB2.0接口芯片完成,使用批量传输方式。装置可采集VGA格式的彩色图像,速度达到30帧/s,满足了医疗诊断对图像质量及采集速度的要求。

关键词：虹膜图像光学系统图像采集数据传输

Proteomic analysis of heat stress resistance of cucumber leaves when grafted onto Momordica rootstock

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Horticulture Research 2018年第1期5卷 218-235页

作者： Ye Xu Yinghui yuan Nanshan Du Yu Wang Sheng Shu jin Sun Shirong Guo Key Laboratory of Southern Vegetable Crop Genetic Improvement in Ministry of Agriculture College of HorticultureNanjing Agricultural UniversityNanjingChina Department of Horticulture Henan Agricultural UniversityZhengzhouChina Suqian Academy of Protected Horticulture Nanjing Agricultural UniversitySuqianChina

Various biotic and abiotic stresses threaten the cultivation of future agricultural *** these stresses,heat stress is a major abiotic stress that substantially reduces agricultural *** strategies to enhance heat stress tolerance of crops have been developed,among which is ***,we show that Momordica-grafted cucumber scions have intrinsically enhanced chlorophyll content,leaf area,and net photosynthetic rate under heat stress compared to plants grafted onto cucumber *** investigate the mechanisms by which Momordica rootstock enhanced cucumber scions heat stress tolerance,comparative proteomic analysis of cucumber leaves in response to rootstock-grafting and/or heat stress was ***-seven differentially accumulated proteins involved in diverse biological processes were identified by two-dimensional electrophoresis(2-DE)in conjunction with matrix-assisted laser desorption/ionization time-of-flight/time-of-flight mass spectrometry(MALDI-TOF/TOF MS).The following four main categories of proteins were involved:photosynthesis(42.8%),energy and metabolism(18.2%),defense response(14.3%),and protein and nucleic acid biosynthesis(11.7%).Proteomic analysis revealed that scions grafted onto Momordica rootstocks upregulated more proteins involved in photosynthesis compared to scions grafted onto cucumber rootstocks under heat stress and indicated enhanced photosynthetic capacity when seedlings were exposed to heat ***,the expression of photosynthesis-related genes in plants grafted onto Momordica rootstocks significantly increased in response to heat *** addition,increased high-temperature tolerance of plants grafted onto Momordica rootstock was associated with the accumulation of ribulose-1,5-bisphosphate carboxylase/oxygenase(Rubisco)and oxygen-evolving enhancer protein 1(OEE1).Taken together,the data indicated that Momordica rootstock might alleviate growth inhibition caused by heat stress by improving ph

关键词： crops stress resistance

多巴胺受体调节对新生大鼠缺氧缺血性脑损伤后焦虑样行为的影响

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中国当代儿科杂志 2014年第10期16卷 1045-1050页

作者：陶惠康汤琴戴津津李媛媛黑明燕中南大学湘雅三医院儿科湖南长沙410013

目的观察缺氧缺血性脑损伤(HIBD)新生大鼠远期黑质酪氨酸羟化酶(TH)的表达及焦虑样行为的变化以及多巴胺(DA)受体拮抗剂干预对其远期焦虑样行为的影响。方法将120只7日龄(P7)SD大鼠分为正常对照组、假手术组、HIBD组及HIBD+DA受体拮抗... 详细信息

目的观察缺氧缺血性脑损伤(HIBD)新生大鼠远期黑质酪氨酸羟化酶(TH)的表达及焦虑样行为的变化以及多巴胺(DA)受体拮抗剂干预对其远期焦虑样行为的影响。方法将120只7日龄(P7)SD大鼠分为正常对照组、假手术组、HIBD组及HIBD+DA受体拮抗剂组。Rice法制作HIBD模型;假手术组予右侧颈总动脉分离,但不予结扎和低氧处理;HIBD+DA受体拮抗剂组在造模前后予腹腔注射DA受体拮抗剂,其余组予等量的生理盐水腹腔注射。各组分别于P14、P21及P28(n=10)进行高架十字迷宫(EPM)实验检测动物的焦虑样行为及应用免疫组织化学方法测定其大脑黑质TH的表达。结果 P21及P28时HIBD组开放臂停留时间(OT)及开放臂次数比率较正常对照组、假手术组及HIBD+DAR组增高(P<0.05),且HIBD+DAR组OT较正常对照组增高(P<0.05)。P14、P21及P28时HIBD组及HIBD+DAR组TH水平均低于正常对照组及假手术组,且HIBD组低于HIBD+DAR组(P<0.05)。结论初生时给予DA受体拮抗剂能改善HIDB对青春期焦虑样行为的异常作用并能减轻多巴胺能神经元的损伤。[中国当代儿科杂志,2014,16(10):1045-1050]

关键词：多巴胺受体缺氧缺血焦虑样行为酪氨酸羟化酶大鼠

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专业学科教育发展中科学属性的提升策略研究

教育理论与实践 2019年第36期39卷 52-54页

作者：袁金平南阳师范学院公共外语部

科学属性是专业学科教育发展的本质属性,具有系统性、指导性、全面性等特征。以现代教育理念审视,科学属性与学科创新、教育发展、学科建设存在不相适应的问题。需要充分发掘学科育人潜质、梳理学科内部机理、推动学科思维创新,促进科... 详细信息

科学属性是专业学科教育发展的本质属性,具有系统性、指导性、全面性等特征。以现代教育理念审视,科学属性与学科创新、教育发展、学科建设存在不相适应的问题。需要充分发掘学科育人潜质、梳理学科内部机理、推动学科思维创新,促进科学提升与学科创新方向一致;树立自然人文结合的教育导向,形成系统个体匹配的课程设计,打造科学精神融入的学科素养,确保科学提升与教育发展有效契合;以科学融合、科学实践、科学精神的应用实践,避免学科碎片化、知识理论化、教育工具化,防止科学提升与学科建设行为偏差,最终实现专业学科教育发展中科学属性的有序提升。

关键词：专业学科教育科学属性科学提升学科建设

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中国农村现代化的基本内涵与经验

国家行政学院学报 2005年第4期 27-30页

作者：袁金辉国家行政学院研究室北京100089

现代化是传统社会向现代社会的转变过程,它是多层面同步转变的过程,是涉及到人类生活所有方面的深刻变化。在我国,农村现代化是社会现代化的一个非常重要的组成部分,主要包括农村经济现代化、农村政治现代化、农村文化现代化以及农民的... 详细信息

现代化是传统社会向现代社会的转变过程,它是多层面同步转变的过程,是涉及到人类生活所有方面的深刻变化。在我国,农村现代化是社会现代化的一个非常重要的组成部分,主要包括农村经济现代化、农村政治现代化、农村文化现代化以及农民的现代化等内容。

关键词：现代化农村现代化涵义发展经验

New approach to extract phase feature of 3-D objects by wavelength-scanning digital holography

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Optoelectronics Letters 2006年第2期2卷 136-138页

作者： SHEN jin-yuan LI Xian-guo M. K. Kim CHANG Sheng-jiang College of Information Engineering Zhengzhou UniversityZhengzhou 450052China Department of Physics University of South Florida Tampa Florida 33620 USA Key Laboratory of Opto-electronics Information Technical Science EMC Institute of Modern Optics Nankai UniversityTianjin 300071 China

A new approach to extract phase feature of 3-D objects based on wavelength-scanning digital holography and numerical reconstruction technique is proposed in this paper.A number of holograms are recorded on a digital camera and reconstructed numerically by a computer with different wavelengths spaced at regular *** theoretical analysis and computer simulations demonstrate that those pixels with the same phase of a 3-D object can focus on the same reconstruction *** those pixels with different phase of a 3-D object focus on the different reconstruction *** the phase information of a 3-D object can be described by a series of reconstructed images on different planes.

关键词：数字全息术波长扫描数字相机三维重建