Design and Implementation of Attendance Management System Based on Java

在信息化时代，越来越多的企业将信息化管理作为主要管理手段。通过企业基础数据信息化、企业基本事务处理和业务流程信息化、企业内部控制信息化、员工行为管理信息化节约成本并提高工作效率的经营管理行为非常普遍，但对于政府行政单位来说，如考勤、绩效评比等职工管理工作仍采取纸质记录和手工管理，不可避免的造成人力资源的浪费，也容易产生管理漏洞。通过建立职工考勤系统，在一定程度上可以解决以上问题。 本文基于Java语言设计并实现了C/S结构的职工考勤管理系统。本系统的开发基于WindowsVista，数据库开发平台采用MySQL，主要使用JDBC实现对数据库的访问，并利用Java语言实现考勤系统的跨平台使用。...More and more enterprises are using informationization management as the main management way in the age of the information. It is very common that improving the working efficiency with informationizing basis data, basis transaction processing, inner management and employee’s behavior management etc. However, these methods are rarely used in government, government officials are used to manage staff...学位：工程硕士院系专业：软件学院_工程硕士(软件工程)学号：X201323169

高致病性禽流感病毒H5N1中和抗体的单链抗体构建与活性鉴定

在本实验室研制出的多株针对H5N1血凝素的鼠单抗中,10F7对34株H5N1病毒株都有血凝抑制和中和活性,具有特异性高、反应性强、识别谱广的特点。通过基因工程构建10F7单链抗体(scFv)表达重组质粒,在大肠杆菌中表达并纯化scFv,经血凝抑制实验及中和实验检测其活性。结果在针对3株病毒的血凝抑制实验中,10F7scFv蛋白对其中2株H5N1病毒均显示出结合活性,而对H9毒株没有反应。在针对7株H5N1病毒的中和实验中,10F7scFv对5株病毒具有较好的中和能力。H5N1广谱中和抗体10F7的单链抗体构建,为进一步研制针对H5N1禽流感病毒的治疗性抗体奠定了基础

Dissolved Oxygen Seawater Battery with Electrochemical Capacitance

以氧化处理的碳纤维刷（Carbon fibre brush，CFB）作阴极材料，提出海水超级电容溶解氧电池（Seawater battery with electrochemical capacitance, SWB-EC）概念，并制造了3台联用实海测试样机. 分别由循环伏安和稳态恒流放电方法研究了氧化处理前后的CFB和镁合金牺牲阳极的放电性能. 结果表明：氧化处理的CFB具有准电容特性，在动态海水中其氧阴极还原反应（Oxygen reduction reaction, ORR）活性比未处理的CFB有大幅度提高；镁合金牺牲阳极的开路电位为-1.74 V，工作电位高，溶解较均匀. 用以上阴、阳极材料制成3台联用样机作连续实海放电测试，经运行2个月，相关实验数据分析表明：与商品化海水电池SWB1200初步相比，该海水超级电容溶解氧电池具有更高的体积比功率密度.A new concept of seawater battery with electrochemical capacitance (SWB-EC) has been proposed using carbon fibre brush (CFB) as the cathode material, and three testing prototypes have been made accordingly. The discharge performances of the CFB before- and after-oxidation and Mg alloy sacrifice anode were studied by cyclic voltammetry and constant current discharge tests under steady state conditions. Results show that the oxidized CFB exhibits the pseudo-capacitive characteristic and its activity of oxygen reduction reaction (ORR) in stirred seawater highly increases, comparing with the non-oxidized CFB. The open circuit potential of Mg alloy sacrifice anode is -1.74 V, having the advantages of high working potential and uniform dissolution. The consecutive marine discharge test is conducted for prototypes made of the oxidized CFB cathode and Mg alloy sacrifice anode. The preliminary data collected in two months reveals that comparing with the commercial seawater battery—SWB1200, the home-made SWB-EC achieves a higher volume specific power density.山东省博士基金(BS2011NJ019)和中央高校基本科研业务费专项资金(201022006)资助作者联系地址：1. 中国海洋大学化学化工学院，山东 青岛 266100；2. 中国科学院金属研究所，辽宁 沈阳 110016；3. 钢铁研究总院青岛海洋腐蚀研究所，山东 青岛 266071；4. 山东省科学院海洋仪器仪表研究所，山东 青岛 266001；5. 青岛旭日金一机械有限公司，山东 青岛 266109Author's Address: 1. College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, Shandong, China; 2. Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016; 3. Qingdao Marine Corrosion Institute, China Iron & Steel Research Institute Group, Qingdao 266071, Shandong, China; 4. Shandong Academy of Sciences Institue of Oceanographic Instrumentation, Qingdao 266001, Shandong, China; 5. Qingdao Xuri Jinyi Machinery Co., Ltd, Qingdao 266109, Shandong, China通讯作者E-mail：[email protected]

JUNO Sensitivity on Proton Decay p→νˉK+p\to \bar\nu K^+ Searches

The Jiangmen Underground Neutrino Observatory (JUNO) is a large liquid scintillator detector designed to explore many topics in fundamental physics. In this paper, the potential on searching for proton decay in $p\to \bar\nu K^+$ mode with JUNO is investigated.The kaon and its decay particles feature a clear three-fold coincidence signature that results in a high efficiency for identification. Moreover, the excellent energy resolution of JUNO permits to suppress the sizable background caused by other delayed signals. Based on these advantages, the detection efficiency for the proton decay via $p\to \bar\nu K^+$ is 36.9% with a background level of 0.2 events after 10 years of data taking. The estimated sensitivity based on 200 kton-years exposure is $9.6 \times 10^{33}$ years, competitive with the current best limits on the proton lifetime in this channel

JUNO sensitivity on proton decay p → ν K + searches*

The Jiangmen Underground Neutrino Observatory (JUNO) is a large liquid scintillator detector designed to explore many topics in fundamental physics. In this study, the potential of searching for proton decay in the $p\to \bar{\nu} K^+$ mode with JUNO is investigated. The kaon and its decay particles feature a clear three-fold coincidence signature that results in a high efficiency for identification. Moreover, the excellent energy resolution of JUNO permits suppression of the sizable background caused by other delayed signals. Based on these advantages, the detection efficiency for the proton decay via $p\to \bar{\nu} K^+$ is 36.9% ± 4.9% with a background level of $0.2\pm 0.05({\rm syst})\pm$$0.2({\rm stat})$ events after 10 years of data collection. The estimated sensitivity based on 200 kton-years of exposure is $9.6 \times 10^{33}$ years, which is competitive with the current best limits on the proton lifetime in this channel and complements the use of different detection technologies