检索范围:
排序: 展示方式:
顾伟,雷威,张晓兵,杨国栋,吴永强,方庆华
《中国工程科学》 2007年 第9卷 第3期 页码 71-75
设计了圆环型的灯心结构,在期望张角处布置反射光线照度峰值的办法,得到了表达所期望镜面的一 阶二次微分方程。经过数值求解和函数拟合,确定了球冠结构的反射侧面。当在球冠下方加装圆锥型镜面之后, 进一步提高了广角内的照度均匀度。设计方案将90°张角内的照度不均匀度从设计前的65%改善到了±15%之内。
机械化学法辅助荧光体浸出——稀土回收绿色工程法 Article
Steff Van Loy, Koen Binnemans, Tom Van Gerven
《工程(英文)》 2018年 第4卷 第3期 页码 398-405 doi: 10.1016/j.eng.2018.05.015
稀土元素(REE)是设计和开发可持续能源应用的重要金属。从富含稀土元素的废物流中回收这些元素对实现独立、可持续的未来能源供应至关重要。本研究比较了从绿灯荧光体LaPO4:Ce3+,Tb3+回收稀土元素的两种机制:在湿法冶金酸浸工艺前与溶剂冶金机械化学浸出工艺前的机械活化机制。稀土元素浸出率在机械活化后增加60%,完成机械化学浸出工艺后增加98%。高分辨率透射电子显微镜(HR-TEM)成像揭露了系统元素浸出率增加的原因:浸出与浸出模式的改善可归因于晶体形态从单晶体到多晶体的转变。多晶形材料的雏晶尺寸减小至纳米级,使化学单元出现不规则填充,导致晶体内缺陷颗粒边界的增加,从而增强浸出工艺。发明了一种溶剂冶金法将机械活化与浸出工艺结合成一个步骤,这有利于降低运营成本。其结果是简单、高效的工艺提供了更加绿色的荧光体废物回收替代途经。
智能手机成像的晶片上基于逆转录环介导等温扩增(RT-LAMP)技术的全血中HIV-1检测 Article
Gregory L. Damhorst,Carlos Duarte-Guevara,Weili Chen,Tanmay Ghonge,Brian T. Cunningham,Rashid Bashir
《工程(英文)》 2015年 第1卷 第3期 页码 324-335 doi: 10.15302/J-ENG-2015072
关键词: 人类免疫缺陷病毒(HIV) 病毒载量 环介导等温扩增 智能手机 即时检测
Nucleic acid-based diagnostics for infectious diseases in public health affairs
null
《医学前沿(英文)》 2012年 第6卷 第2期 页码 173-186 doi: 10.1007/s11684-012-0195-5
Infectious diseases, mostly caused by bacteria and viruses but also a result of fungal and parasitic infection, have been one of the most important public health concerns throughout human history. The first step in combating these pathogens is to get a timely and accurate diagnosis at an affordable cost. Many kinds of diagnostics have been developed, such as pathogen culture, biochemical tests and serological tests, to help detect and fight against the causative agents of diseases. However, these diagnostic tests are generally unsatisfactory because they are not particularly sensitive and specific and are unable to deliver speedy results. Nucleic acid-based diagnostics, detecting pathogens through the identification of their genomic sequences, have shown promise to overcome the above limitations and become more widely adopted in clinical tests. Here we review some of the most popular nucleic acid-based diagnostics and focus on their adaptability and applicability to routine clinical usage. We also compare and contrast the characteristics of different types of nucleic acid-based diagnostics.
关键词: nucleic acid-based diagnostics infectious disease PCR NASBA LAMP microarray LOAC public health affairs
LED灯具温度应力加速老化截止时间的确定 Article
Jian HAO, Lei JING, Hong-liang KE, Yao WANG, Qun GAO, Xiao-xun WANG, Qiang SUN, Zhi-jun XU
《信息与电子工程前沿(英文)》 2017年 第18卷 第10期 页码 1678-1678 doi: 10.1631/FITEE.1500483
Jian Hao, Lei Jing, Hong-liang Ke, Yao Wang, Qun Gao, Xiao-xun Wang, Qiang Sun, Zhi-jun Xu,sunq@ciomp.ac.cn
《信息与电子工程前沿(英文)》 2017年 第18卷 第10期 页码 1678-1678 doi: 10.1631/FITEE.15e0483
关键词: LED lamp Accelerated aging test Medium lifetime Moving average error
标题 作者 时间 类型 操作
智能手机成像的晶片上基于逆转录环介导等温扩增(RT-LAMP)技术的全血中HIV-1检测
Gregory L. Damhorst,Carlos Duarte-Guevara,Weili Chen,Tanmay Ghonge,Brian T. Cunningham,Rashid Bashir
期刊论文
LED灯具温度应力加速老化截止时间的确定
Jian HAO, Lei JING, Hong-liang KE, Yao WANG, Qun GAO, Xiao-xun WANG, Qiang SUN, Zhi-jun XU
期刊论文