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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Introduction of Semiconductor Measuring Equipment Technology
半导体测量 设备技术 半导体
2023/4/21
本报告结合个人在半导体量测设备技术行业的工作经历，简要介绍半导体领域的技术，主要包括芯片制造工艺流程，光学量测技术OCD，器件几何建模，光学仿真算法RCWA和明暗场检测设备图像处理集群。
Over the past few decades, scientists have made great strides in understanding the genetic mutations that can drive cancer. For some types of cancer, these discoveries have led to the development of d...
Measuring conservation in a way that counts
ecosystem conservation of biodiversity conservation science
2021/8/5
Conservation science and policy could be saving more biodiversity by shifting to measurements and decisions based on preventing the loss of ecosystems and species within protected areas.
New method may resolve difficulty in measuring universe's expansion（图）
New method difficulty measuring universe
2019/10/23
Astronomers using National Science Foundation radio telescopes have demonstrated how a combination of gravitational-wave and radio observations, along with theoretical modeling, can turn the mergers o...
Intact leaf gas exchange provides a robust method for measuring the kinetics of stomatal conductance responses to abscisic acid and other small molecules in Arabidopsis and grasses
Stomatalconductance Kinetics Guardcellphysiology Aquaporin
2024/3/5
Guard cells perceive external and internal stimuli and regulate stomatal conductance in plants. With the use of gas exchange analyzers, time-resolved stomatal conductance responses to light intensity,...
Understanding Optimizations and Measuring Performances of PBKDF2
passwords PBKDF2 HMAC-SHA1
2019/2/25
Password-based Key Derivation Functions (KDFs) are used to generate secure keys of arbitrary length implemented in many security-related systems. The strength of these KDFs is the ability to provide c...
Measuring, simulating and exploiting the head concavity phenomenon in BKZ
BKZ algorithm simulator
2018/11/14
The Blockwise-Korkine-Zolotarev (BKZ) lattice reduction algorithm is central in cryptanalysis, in particular for lattice-based cryptography. A precise understanding of its practical behavior in terms ...
MEASURING URBAN RESILIENCE USING CLIMATE DISASTER RESILIENCE INDEX (CDRI)
Climate Disaster Resilience Index (CDRI) Climate Resilience Disaster Resilience Resilient City
2018/11/9
Measuring urban resilience is one of the important processes toward understanding the current and potential future risk of cities to guide the development of suitable policies and strategies related t...
MEASURING SURFACE SUBSIDENCE IN WUHAN, CHINA WITH SENTINEL-1 DATA USING PSINSAR
Subsidence Monitoring TOPS PSInSAR Hazards Sentinel SARPROZ
2018/5/11
We use the potential of Sentinel-1 for urban subsidence monitoring. A case study was conducted in Wuhan using Sentinel-1A images acquired from 22nd June 2015 to the 24th of April 2017 acquired from an...
MEASURING SURFACE DEFORMATION IN GLACIER RETREATED AREAS BASED ON PS-INSAR – GELADANDONG GLACIER AS A CASE STUDY
China Glacier retreat InSAR Paraglacial Slope Failure (PSF) Qinghai-Tibetan Plateau (QTP)
2018/5/15
Glaciers are retreating in many parts of the world as a result of global warming. Many researchers consider Qinghai-Tibetan Plateau as a reference for climate change by measuring glaciers retreat on t...
In search of CurveSwap: Measuring elliptic curve implementations in the wild
elliptic curve cryptography invalid curve attack curveswap
2018/3/30
We survey elliptic curve implementations from several vantage points. We perform internet-wide scans for TLS on a large number of ports, as well as SSH and IPsec to measure elliptic curve support and ...
New Approach Measuring Early Butchering Practices Can Help Answer Questions About Evolution（图）
Measuring Early Butchering Practices Answer Questions About Evolution
2017/12/19
Researchers, led by a Purdue University anthropology professor, have found that statistical methods and 3D imaging can be used to accurately measure animal bone cut marks made by prehistoric human but...
MIT researchers refine yardstick for measuring schools and teachers
MIT researchers refine yardstick schoolsteachers
2017/7/21
In recent years, 14 states in the U.S. have begun assessing teachers and schools using Value-Added Models, or VAMs. The idea is simple enough: A VAM looks at year-to-year changes in standardized test ...
Materials exposed to a high-radiation environment such as the inside of a nuclear reactor vessel can gradually degrade and weaken. But to determine exactly how much damage these materials suffer gener...
Measuring small subgroup attacks against Diffie-Hellman
diffie-hellman small subgroup attack
2016/12/8
Several recent standards, including NIST SP 800- 56A and RFC 5114, advocate the use of “DSA” parameters for Diffie-Hellman key exchange. While it is possible to use such parameters securely, additiona...