搜索结果: 1-15 共查到“工学 Flash”相关记录56条 . 查询时间(0.064 秒)
2021年4月，北京大学重离子物理研究所、核物理与技术国家重点实验室杨根课题组与马文君、颜学庆课题组合作，在全球首次完成了10^9 Gy/s超高剂量率FLASH辐照乏氧/常氧条件下正常细胞、癌细胞和癌干细胞杀伤效应的前期基础研究，研究结果以题为“Association of cancer stem cell radio-resistance under ultra-high dose rate F...
FLASH FLOOD MAPPING FOR MOUNTAIN STREAMS USING HIGH-RESOLUTION ALOS-2 DATA
ALOS-2 Capacity building Flood detection Valley floodplain
2018/5/8
This paper introduces a practical way to improve the risk management capacity and resilience of communities by utilizing a prompt flash flood map produced from very high spatial resolution ALOS-2 data...
南昌大学信息管理系网站设计与开发课件第9章 Flash 8基础知识。
Stanford researchers develop crowdsourcing software to convene rapid,on-demand 'flash organizations'
Stanford researchers crowdsourcing software convene rapid flash organizations
2017/7/20
Crowdsourcing has become a popular way of making use of large groups of people to accomplish straightforward tasks – online reviews on Yelp, Wikipedia entries and Stanford University’s own Foldin...
UTA civil engineer creates phone app to gather public input on flash flooding conditions
UTA civil engineer phone app gather public input flash flooding conditions
2016/6/12
D.J. Seo wants you to be his eyes on the weather – and more specifically to be watching for flash floods.The University of Texas at Arlington associate professor of civil engineering has launched a ne...
Digital photography has made it possible to quickly and easily
take a pair of images of low-light environments: one with flash to
capture detail and one without flash to capture ambient illumination...
Enhanced Search And Efficient Storage Using Data Compression In Nand Flash Memories
Nand Flash Search data deduplication MISR
2014/12/8
NAND flash memories are popular due to their density and lower cost. However, due to serial access, NAND flash memories have low read and write speeds. As the flash sizes increase to 64GB and beyond, ...
基于视频行场消隐期的大容量FLASH存储控制器
FLASH存储控制器 大容量FLASH 现场可编程门阵列(FPGA) 消隐期
2015/12/23
为克服传统大容量FLASH视频存储控制器时序设计复杂、缓存资源要求较高的缺点, 设计了一种利用视频行场信号消隐期进行时序控制的FLASH视频存储控制器。该控制器基于FPGA时序设计, 利用视频行场同步信号消隐期时间写入FLASH的读出和写入控制命令。由于无需缓存资源即可实现多级流水线的设计, 提高了时序控制效率, 简化了时序设计过程。基于Verilog 硬件描述语言, 设计了3级流水线和并行控制时...
Modeling of Flash Boiling Flows in Injectors with Gasoline-Ethanol Fuel Blends
Flash Boiling Flows Injectors Gasoline-Ethanol Fuel Blends
2014/10/24
Flash boiling may be defined as the finite-rate mechanism that governs phase change in a high temperature liquid that is depressurized below its vapor pressure. This is a transient and complicated phe...
商用Flash器件在空间应用中温变规律的实验研究
空间电子 Flash存储器 温变规律 实验Flash信号
2016/8/10
分析了工业级Flash存储器件应用于空间电子产品时应考虑的温变规律和机理,并在-35～105 ℃的温度条件下对韩国三星公司生产的大容量Flash存储器件K9××G08U×D系列进行了温循试验和高温步进应力试验,以评估其空间应用的可行性。试验结果显示:这一系列存储器在温度变化的情况下,电性能参数会发生规律性变化,其中页编程时间随温度的升高线性增大,105 ℃比-35 ℃时页编程时间增加15%;块擦除...
针对TMS320C6713 平台烧写应用程序到FLASH 中时存在的不便，介绍一种方便简洁的代码烧写方式。 详细分析了TMS320C6713 自启动原理、过程和烧写流程。从应用程序文件转换、串口发送应用程序和TMS320C6713 硬件平台烧写3 个方面详细描述了通过串口发送应用程序代码烧写FLASH 的步骤。分析结果证明：该方法使用一种 CCS 版本即可完成FLASH 烧写和应用代码的开发，并通...
NAND Flash高速图像记录压力测试系统
图像记录 NAND Flash 压力测试系统 稳定性 爬山搜索
2016/9/1
为了测定NAND Flash 图像记录系统的稳定性以及峰值记录速度指标，减少人工测试量，设计了压力测试系统。针对稳定性测试问题，设计了基于指数回归的速度压力模型和基于对数正态分布的测试时长控制模型；针对峰值记录速度测定问题，提出了基于爬山搜索算法和速率二分法的软硬件协同测试方法。基于有效数据占空比机制设计速率软件可调的硬件数据产生器，用爬山算法粗略确定峰值记录速度区间，再用速率二分法逼近峰值记录速...
Effects of Multi-Stage Flash and Reverse Osmosis Desalinations on Benthic Assemblages in Bahrain,Arabian Gulf
Macrobenthos Nutrients Metals Brine Effluents Bahrain Arabian Gulf
2013/3/9
Marine environment of the Arabian Gulf is naturally stressed due to marked fluctuations in sea temperatures and high salinities. Anthropogenically induced stresses including waste water discharges fro...