Braille Computer System Developed Successfully
Proposed and developed by the Computer & Language
Information Engineering Research Center, CAS, Huajian Group Company and
Chinese Braille Publishing House, Chinese Braille Computer System has
successfully gone through the verification, by which the blind can fully
enjoy the convenience of computer.
New advances have been made in the development of X-61, a strong anti-SARS compound screened by CAS Kunming Institute of Botany (KIB) and CAS Institute of Genome. Using X-61 as precursor, researchers in the CAS KIB synthesized 10 serial derivatives through structure modification and chemical synthesis. Through activity screening and structure optimization, the derivatives supplied data for developing new anti-SARS compound with high efficiency and low toxicity. In the near future, KIB will focus its research on preparing the serial derivatives of X-61, studying their anti-SARS activities, displaying the functional mechanism of SARS virus through gene function external expression and starting the pre-clinical tests on monkeys.
State-of-the-art Wind Tunnel
for Probing Wind Erosion
Researchers with the CAS Cold and Arid Regions
Environmental and Engineering Research Institute (CAREERI) have completed
the renovation of its wind tunnel for wind erosion test, making it the
largest wind erosion tunnel in Asia, according to Prof. Dong Zhibao, executive
director of the Key Laboratory of Desert and Desertification, CAREERI.
The wind tunnel is a tube-like structure in
which wind is generated by a large fan and flows over the soil surface
to simulate wind in natural field conditions. CAREERI researchers use
various wind tunnels to simulate dust and sand storms so they can study
After the reconstruction and expansion of
the wind tunnel, its total area is over 500 square meters with a total
length of 40 meters. Its experimental section is 21 meters long with a
cross-section area of 1.2 meters by 1.2 meters. The wind speed of the
tunnel can be continuously adjusted from 2m/s to 40m/s. Moreover, researchers
have upgraded its power system with computers and added rooms for model-making,
sample-processing, underground studies, engineering control and data analysis.
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