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Board game helps Mexican coffee farmers grasp complex ecological interactions
Board game Mexican coffee farmers ecological interactions
2017/7/24
A chess-like board game developed by University of Michigan researchers helps small-scale Mexican coffee farmers better understand the complex interactions between the insects and fungi that live on t...
Robert Birgeneau is National Science Board's 2016 Vannevar Bush awardee
Robert Birgeneau National Science Board Vannevar Bush awardee
2016/4/25
The National Science Board (NSB) announced today that Robert J. Birgeneau is the recipient of the 2016 Vannevar Bush Award. Birgeneau is chancellor emeritus at the University of California, Berkeley a...
发表在JGG2016年第一期上的两篇文章"Efficient targeted genome modification in maize using CRISPR/Cas9 system"(通讯作者：韩方普）和"Efficiency and inheritance of targeted mutagenesis in maize using CRISPR-Cas9"（通讯作者：赖锦盛）由 Maiz...
Measurements of vector magnetic anomalies on board the icebreaker Shirase and the magnetization of the ship
shipboard three component magnetometer vector measurements of the geomagnetic field ship's permanent magnetization ship's induced magnetic field
2015/10/8
Vector measurements of the geomagnetic field have been made in the South Indian Ocean since 1988 when a Shipboard Three Component Magnetometer (STCM) was installed on board the icebreaker Shirase by t...
DIFFUSIVE MOTION AND RECURRENCE ON AN IDEALIZED GALTON BOARD
DIFFUSIVE MOTION AN IDEALIZED GALTON BOAR
2015/9/29
We study a mechanical model known as Galton board
{ a particle rolling on a tilted plane under gravitation and bouncing o a periodic array of rigid obstacles (pegs). This model is also
identical to...
We study a particle moving in R
2 under a constant (external) force
and bouncing off a periodic array of convex domains (scatterers); the
latter must satisfy a standard ‘finite horizon’...
The National Science Board (NSB) will meet Nov. 19-20, 2014, to address science and engineering policy of interest to the National Science Foundation (NSF). Members of the media and the public are inv...
美国科学院水信息中心（Water Science and Technology Board of the National Academies）
美国科学院水信息中心 Water Science and Technology Board of the National Academies
2013/1/8
This site was created by the Water Science and Technology Board of the National Academies. Its purpose is to assist the work of water scientists, engineers, managers, policymakers, and students throug...
Formulas for computing the magnetic flux density of fine magnetic pole pitch fabricated on printed circuit board
Printed circuit board (PCB) Pole pitch Magnetization Magnetic encoder
2011/11/25
A special wire circuit with an appropriate layout was designed and formed on printed circuit board (PCB). After a current flowed through the wire circuit, the magnetic field was induced according to A...
Formulas for computing the magnetic flux density of fine magnetic pole pitch fabricated on printed circuit board
Printed circuit board (PCB) Pole pitch Magnetization Magnetic encoder
2011/11/25
A special wire circuit with an appropriate layout was designed and formed on printed circuit board (PCB). After a current flowed through the wire circuit, the magnetic field was induced according to A...
Fast Timing Analysis of Cygnus X-1 using SPI on board INTEGRAL
Analysis Cygnus board INTEGRAL
2011/9/29
For the very first time, we report the high frequency analysis of Cyg X-1 up to hard X-ray using SPI on-board INTEGRAL. After analyzing the possible contribution fromthe background, and using INTEGRAL...
The Swiss Board Directors Network in 2009
Boards of directors Complex networks Corporate governance
2011/9/28
We study the networks formed by the directors of the most important Swiss boards and the boards themselves for the year 2009. The networks are obtained by projection from the original bipartite graph....
Nonequilibrium Fluctuations in a Gaussian Galton Board (or Periodic Lorentz Gas) Using Long Periodic Orbits
Galton Board Lyapunov Spectrum Fluctuations Nonequilibrium
2010/11/19
Predicting nonequilibrium fluctuations requires a knowledge of nonequilibrium distribution functions.Despite the distributions’ fractal character some theoretical results, “Fluctuation Theorems”,remin...
Relativistic graphene ratchet on semidisk Galton board
Mesoscale and Nanoscale Physics (cond-mat.mes-hall) Chaotic Dynamics (nlin.CD)
2010/11/10
Using extensive Monte Carlo simulations we study numerically and analytically a photogalvanic effect, or ratchet, of directed electron transport induced by a microwave radiation on a semidisk Galton b...
We study Maker/Breaker games on the edges of sparse graphs. Maker and Breaker take turns in claiming previously unclaimed edges of a given graph H. Maker aims to occupy a given target graph G and Bre...