Identity Authentication Method for Passive RFID Tags in Field of Military Logistics

目的:设计一种针对无源rfId标签的身份认证方法。方法:考虑到无源标签的弱计算能力,使用简单高效的哈希函数进行运算比较。结果:实现了阅读器与rfId标签之间的双向身份认证,从而保障了物流运输的安全。结论:该方法可以有效地增强战时环境下军事物资rfId标签的安全性。Objective To design an authentication method for passive RFID tag.Methods Taking the weak computing ability of passive tags into account,the simple and efficient Hash function was used for computing and comparing.Results Two-way authentication between the reader and RFID tags was realized,which could protect the safety of our military logistics.Conclusion This method can effectively improve the security of the RFID tags of military supplies during the war.南京军区重点课题(08Z021);南京军区“十一五”计划课题项目(06MA99

Application of Clinical Pathway in Early Treatment of War Injuries

针对野战早期救治阶段存在伤员数量大、医护资源不足等现状,提出了一种面向服务的临床路径软件系统设计理念。将早期救治中的各关键事件模块化,并按专家制定的临床路径方案排列组合而成,有针对性并可进行即时调整。该系统力求将复杂繁琐的救治过程变为一种多分支、多出口、易操作的救治流程,实现对现有战伤救治信息流程的重组和优化,有利于伤员的高效、批量救治,最大限度地提高战伤救治能力和野战卫勤保障能力。According to the situation of large number of wounded and the lack of medical resources in the period of early treatment,a service-oriented software system used clinical pathway is designed to solve this problem.The key events of early treatment are modularized and arranged in the process of clinical pathway drawn up by experts.This process is targeted and can be adjusted in real time.The complicated process will be simplified to a multi-branch,multi-export and easy-operating one,and information flow will be reorganized and optimized.This new system will conducive to batch treatment of the wounded,improve the efficiency,and maximize the ability of treatment with war injuries and enhance the ability of hygienic guarantee.南京军区重点课题(08Z021);南京军区“十一五”计划课题项目(06MA99

An Application and Design for Safety Material Support Program Based on Radio Frequency Identifier

目的:设计并应用一种基于射频技术的物资安全保障方案。方法:事先约定了rfId标签的编码格式,只有PdA通过无线方式与基地数据库连接才能获取rfId标签内容;同时在PdA与rfId标签之间建立双向认证机制,防止未授权的阅读器和假冒的标签参与会话。结果:在卫生分队执行机动卫勤保障任务动态补充物资过程中应用该方案后,保证了物资的安全运输。结论:在确保物资应急保障的安全性和可靠性方面有较大应用价值。Objective To design and apply a material security program based on RFID technology.Methods The program agreed on encoding format of RFID tag in advance,in which PDA could access the content of RFID tags only by connecting with the base database wirelessly.At the same time,mutual authentication mechanism was established between the PDA and the RFID tag,which prevented unauthorized tags and readers from participating in the session.Results The safe of military supplies transportation was assured after the program was applied in the implementation of mobile medical support tasks.Conclusion The program has great application value for ensuring the safety and reliability of material emergency support.南京军区重点课题(08Z021);南京军区“十一五”计划课题项目(06MA99

The overview of rapid prototyping technique

【中文文摘】在研究快速原型技术发展历史和现状的基础上,介绍了快速原型制造的基本原理,重点介绍几种发展较成熟的RP技术的基本原理,分析RP技术的特点,并探讨其应用价值和发展前景,提出了目前发展快速成型的基本观点和未来发展趋势。 【英文文摘】Based on the history and development of rapid prototyping technique,the principles of Rapid Protyping(RP),especially several developed techniques,are introduced.The characteristics of RP techniques are analyzed and the opinions about future development tendency and prospect are put forward.福建省自然基金项目(k32014);; 国家留学回国人员基金资助项目(k3003

Development and Application of Micro-Electro-Mechanical System

【中文文摘】微机电系统是在微电子技术基础上产生和发展起来的多学科交叉的前沿科学研究领域 ,是面向 2 1世纪的高新科技 .介绍了微机电系统产生的背景影响、组成特征和基础研究内容 ,综述了微机电系统技术基础所涉及的材料、微机械设计和模、微细加工技术以及微封装与测试等领域 ,并对微机电系统的应用、典型的微器件、国内外的发展现状及前景进行全面分析 .在此基础上 ,论述了MEMS技术目前存在的问题和未来发展的趋势 【英文文摘】Micro-Electro-Mechanical System(MEMS) developes on the basis of microelectronics.It is a scientific researches frontier of multi-disciplines and a high technology in the 21st century.This paper presents the background,characteristics and basic research.The principal techniques of MEMS such as material,design and simulation,micromachining,packaging and testing are reviewed,Typic microapparatus,application prospect and the state-of-art of MEMS are also discussed in this paper.Furthermore,some points of view of developing on MEMS in the future are put forward

Clavicoronol,a new metabolite,from the mycelia culture of Clavicorona pyxidata

目的对珊瑚菌(ClAVICOrOnA PyXIdATA)菌体培养物的活性成分进行分离。方法用多种色谱技术对化合物进行分离纯化,并用光谱技术和单晶X射线衍射技术鉴定化合物的结构。结果从中分离到2个化合物:ClAVICOrOnOl(1)、腺苷(2)。结论化合物1为新化合物,并通过单晶X射线衍射技术确定了2的立体构型。Aim To explore the new bioactive metabolites from the mycelia culture of the edible mushroom Clavicorona pyxidata.Methods The constituents were isolated and purified by column chromatography,and their structures were identified by spectroscopic analyses,including 1D-and 2D-NMR data,and single-crystal X-ray diffraction.Results A new natural product,named clavicoronol(1) along with adenosine(2),were obtained.Conclusion Compound 1 is a new compound and stereochemistry of 2 was confirmed by a single-crystal X-ray diffraction.ThisworkwasfinanciallysupportedbytheNationalNaturalScienceFoundationofChina(30500632);theNationalScienceFundforDistinguishedYoungScholarstoY.-M.Shen(30325044

The Application of PLC in Pneumatic Control Electrode Board Cutting Machine

【中文文摘】本文详细阐述了气动控制系统、光电检测、可编程控制器在气动电极板剪切机中的应用。 【英文文摘】The pneumatic control system,optoelectronic detection system,the application of PLC in pneumatic control electrode board cutting machine was introduced in detail

Apoptosis induced by a novel intestinal metabolite of ginseng saponin in human hepatocellular carcinoma BEL-7402 cells

目的探讨一种新的人参稀有皂苷20-O-(β-D-吡喃葡萄糖)-20(S)-原人参二醇皂苷(IH-901)对人肝癌BEL-7402细胞的增殖抑制效果和诱导凋亡作用。方法以0、6.25、12.5、25、50、75、100μmol/L的IH-901作用于体外培养的BEL-7402细胞,通过MTT法检测IH-901对细胞生长的抑制作用,相差显微镜观察细胞形态变化,AO/EB的荧光核染色观察凋亡细胞形态,流式细胞术检测细胞周期和细胞凋亡。结果MTT实验显示IH-901抑制BEL-7402细胞的生长,呈时间及浓度依赖的方式;显微镜下观察到典型的凋亡形态变化和生化特征:细胞固缩,核染色质凝聚,出现凋亡小体;AO/EB的荧光核染色后,观察到典型的凋亡细胞;流式细胞仪可以检测到凋亡峰,且细胞被阻滞在G0/G1期。结论IH-901能通过诱导细胞凋亡的方式有效地抑制人肝癌BEL-7402细胞的生长,稀有人参皂苷IH-901可能成为一种潜在的抗肝癌药物。Objective To investigate the effects of 20-O-(β-D-glucopyranosyl)-20(S)-protopanaxadiol(IH-901) on the human hepatocellular carcinma BEL-7402 cells in terms of inhibition of proliferation and induction of apoptosis.Methods BEL-7402 Cells in cultural medium in vitro were given 0,6.25,12.5,25,50,75,and 100 μmol/L IH-901.The inhibitory rate of cells was measured by MTT assay,morphology of cell apoptosis was observed by AO/EB fluorescent staining,cell apoptotic rate and cell phase were detected by flow Cytometry(FCM).Results The results indicated that IH-901 could inhibit the proliferation of BEL-7402 cells significantly.The suppression was both in a time-and dose-dependent manner.Morphological examination of IH-901-treated samples showed cells with chromatin condensation,cell shrinkage,and all typical characteristics of apoptotic cells.Marked morphological changes of cell apoptosis was observed very clearly by AO/EB fluorescent staining.The increase in the apoptotic sub-G1 fraction in a concentration-dependent manner and cell cycle arrest at the G0/G1 phase were detected by FCM.Conclusion The results demonstrate that IH-901 dramatically suppresses BEL-7402 cell growth by inducing programed cell death.These results may provide a pivotal mechanism for the use of IH-901 in the prevention and treatment of human hepatocellular carcinoma BEL-7402 cells,the antiproliferation,and the apoptosis厦门市科技创新基金重点项目(3502Z20062008

Genetic diversity of two wild populations of Penaeus semisulcatus revealed by RAPD technique

【中文摘要】 利用RAPD标记技术检测了厦门和汕头沿海2个短沟对虾群体基因组DNA的多态性,并对其遗传多样性进行了分析。从40条随机引物中筛选出13个10bp引物,共扩增出65条清晰可重复的DNA片段,片断长度为100~2200 bp,在2个群体间没有检测到特异的片段。厦门和汕头群体的多态片段比例分别为87.69%和89.23%,杂合度分别为0.212和0.218,遗传多样性指数分别为0.2847和0.2913,两群体间的遗传距离为0.018,FST值为0.004。可见两野生群体种质资源仍然维持在良好水平,遗传分化程度很低,可能是同一种群,具有进一步开发的潜力。 【英文摘要】 The green tiger prawn,Penaeus semisulcatus is one of the biggest penaeid prawns and widely distributed in tropical and subtropical regions of the Indian Ocean and the West Pacific Ocean.The important economic shrimp species in the north of the South China Sea are Penaeus semisulcatus,Penaeus monodon,Marsupenaeus japonicus and Fenneropenaeus penicillatus.Although the disease-resistance of Penaeus semisulcatus is more effective than that of Penaeus monodon,Litopenaeus vannamei and Fenneropenaeus chinensis,the...国家自然科学基金资助项目(30471322

Construction of PLA's Medical Evacuation System Based on Tactical Medical Coordination System and Evacuation Support System of Foreign Army

介绍了美军战术医疗协调系统(TACMEdCS)和挪威医疗后送支持系统(EVACSyS)功能,追溯其系统更新换代的发展历程和所取得的各类测试成果,启发并指导军队医疗后送信息系统建设,避免走弯路和盲目性建设,并提出整合军队现有的野战信息资源的意见和建议。The function of TacmedCS and EvacSys of US army is introduced,and the update process and the test results are reviewed.Thus,some discussions and advices are proposed to integrate the limited field information resource to avoid some non-necessary steps and blind construction in the medical and evacuation system.福建省自然科学基金项目(2008J0312);军区重点课题(08Z021);南京军区“十一五”计划课题项目(06MA99