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全部话题 - 话题: sibas
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c**i
发帖数: 6973
1
来自主题: Military版 - 关键技术的封锁,意义实在重大
Now that you mention it, I do a brief research to learn something that has
not crossed my mind.
(1) stirrup
http://en.wikipedia.org/wiki/Stirrup
Quote:
"The use of paired stirrups is credited to the Chinese Jin Dynasty 晉朝 and
came to Europe during the Middle Ages. Some argue that the stirrup was one
of the basic tools used to create and spread modern civilization, possibly
as important as the wheel or printing press.
"As a tool allowing expanded use of horses in warfare, the stirrup is often
cal... 阅读全帖
w********2
发帖数: 632
2
西门子为武汉两条地铁线路提供先进的牵引系统
西门子与武汉地铁集团有限公司签订合同,为武汉地铁二号线一期、四号线一期共计45
列车提供先进的牵引技术。两个合同金额共计约4.4亿人民币,地铁线路预计均于2012
年开通。通过合同,西门子将助力这个雄心勃勃的中部城市实现建设综合轨道交通网的
宏伟目标。“武汉市是西门子交通集团在华业务发展的重点城市之一。两个合同的签订
标志着我们的合作进一步拓展到城市轨道交通建设领域。”西门子(中国)有限公司高
级副总裁兼交通集团总经理祁祖谦先生表示。
地铁二号线一期从地下穿越长江,共设21个地下车站,将城市的西北部和东南部连接起
来。二号线一期全长约28公里,将成为该市重要的客运交通走廊。地铁四号线一期全长
约16.5公里,共设15个车站。该线路的建设可进一步缓解目前公共交通所面临的压力,
有效提高城市交通效率。两条线路预计于2012年开通。
西门子将为地铁二号线一期、四号线一期提供先进的牵引设备,主要包括:Sibas 32型
牵引控制系统、Sibac型牵引逆变器、牵引电机以及齿轮箱和辅助逆变器等。西门子先
进的列车牵引系统树立了环保的典范,它可以使列车制动... 阅读全帖
x*****6
发帖数: 55
3
来自主题: Medicine版 - 国内竟然有人做脑移植?
The recipient cells may regulate the development of the donor fetal cells so that there will be no conflict.
Unfortunately, I've totally forgotten this mechanism which I learned in
molecular immunology at SIBAS and UIOWA.

of implantation/transplantation. But to have physiological functions, it has
to mature and express major HHA which will cause host vs. graft rejection.
l**********1
发帖数: 5204
4
Standard error of mean (SEM)
Dynamics of cortical actin in budding yeast Saccharomyces cerevisiae
Dissertation zur Erlangung des Doktorgrades
Der Fakultät für Chemie und Pharmazie
der Ludwig-Maximilian-Universität München (2010).
web link:
Http://edoc.ub.uni-muenchen.de/11423/1/Yu_Haochen.pdf
or
Higgs PG
Error thresholds and stationary mutant distributions in multilocus diploid
genetics models (1994)
Genet. Res. Cambridge 63: 63-78.
web link
//siba.unipv.it/fisica/articoli/G/GeneticalR... 阅读全帖
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