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全部话题 - 话题: v473
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d********r
发帖数: 6935
1
pm zip & email
d********r
发帖数: 6935
2
pm your zip and email
thanks
d********r
发帖数: 6935
3
pm zip & email
d********r
发帖数: 6935
d********r
发帖数: 6935
5
pm your zip and email
thanks
m****o
发帖数: 310
6
在amazon上看了几个音响,真的不知道该选择哪一个,自己的价位承受在$300-400左右
.请大家给一些建议。我们主要用来听音乐,也会看少量电影。客厅很高,面积25 by
25 feet
Harman Kardon HKTS 30BQ 5.1, $440
http://www.amazon.com/Harman-Kardon-Theater-Speaker-System/dp/B
JBL CS6100BG $350
http://www.amazon.com/JBL-CS6100BG-High-Performance-Complete-Br
Polk Audio RM705, $200
http://www.amazon.com/Polk-Audio-RM705-Theater-System/dp/B000WG
还看了几个receiver,不知道哪个比较好,Yamaha的YPAO自动平衡系统似乎挺好。
Yamaha RX-V473B $299
http://www.amazon.com/Yamaha-RX-V473-5-1-Channel-Network-Receiv
Yamaha ... 阅读全帖
j****c
发帖数: 19908
7
来自主题: PhotoGear版 - 尼玛,十年信念一朝被毁
我一直认为电子是点粒子,只有质量、电荷、角动量三个物理性质
结果现在人家说电子是完美的球形。如果将电子放大到太阳系的尺度,其圆度的偏差甚至
小于人类发丝的宽度。
既然是球形,那就有半径这个物理量了。。。有木有啊
有了半径,就有内部结构了。。。有木有啊
最新Nature的文章
http://www.nature.com/nature/journal/v473/n7348/full/nature1010
h***s
发帖数: 1716
8
来自主题: Wisdom版 - 我发个善心,说句公道话
这个今年5月有NATURE上的一篇关于电子形状的的最新实验进展和报道. 况且这是人成
千上万没有搞M理论的实验物理学家的真刀真枪干出的事, 不关他们美丽的绳子和M理论
什么事.
Improved measurement of the shape of the electron
http://www.nature.com/nature/journal/v473/n7348/full/nature1010
Improved measurement of the shape of the electron
J. J. Hudson,1 D. M. Kara,1 I. J. Smallman,1 B. E. Sauer,1 M. R. Tarbutt1 &
E. A. Hinds1
AffiliationsContributionsCorresponding author Journal name:
Nature
Volume:
473,
Pages:
493–496
Date published:
(26 May 2011)
DOI:
doi:10.1038/nature10104
Rece... 阅读全帖
Y**u
发帖数: 5466
9
☆─────────────────────────────────────☆
heyes (hoooyou) 于 (Fri Aug 12 13:21:56 2011, 美东) 提到:
佛就是佛,道就是道,是修生养性,和人生和哲学扯扯还行。
不要再和什么爱因斯坦,量子力学,薛定谔猫啊狗的瞎联系了,好不好?再这么下去,
你们要把人类所有的光辉成果都给吞食到佛的肚子里了,还怎么个这个空空,那个空的
呢?这种文章都mark实在太。。。佛告诉我,沉默是真空。所以我就不沉默了。
如果你们硬要扯人类的光辉思想是佛早就知道的,我来问你们那些自以为懂猫啊狗的一
个问题。回答这个问题不是你们那种马后炮就可以蒙混过去的,要真刀真枪干的。
哦,老爱已经做了相对论了,你们偷过来这么一说,就成佛的“预见”了?人物理学家
辛辛苦苦几代搞的量子力学,你这一猫啊狗的一吹,就又成佛“早就知道”的了?蛋不
是这么扯的,慧根不是这么修炼的吧?
好吧,问题来了,很简单。
“请问人能不能回到(时间)的过去?”
请给出佛的答案,看看佛会不会早已经预料到了物理学家的“光辉思想”(以后或者将
来,或者佛说没有过去,现在和未... 阅读全帖
c*2
发帖数: 24
10
来自主题: Biology版 - BCL6 leukemia study appeared in Nature
I have been struggling in understanding the results of the supplementary
figure 6 [ http://www.nature.com/nature/journal/v473/n7347/extref/nature09883-s1.pdf ]. The Bcl6 -/- strains was shown to have higher expression of Bcl6 than in the wild type. How could this happen? I kind of think it should be the opposite.
Any clues?
u**********d
发帖数: 573
11
你可以试一下用4sU的方法,用的很多。
http://www.nature.com/nature/journal/v473/n7347/full/nature1009
biotin的方法in vitro transcription较多见,穿膜内标的方法我没有看到过。
j****c
发帖数: 19908
12
来自主题: Physics版 - 电子是标准的球形
Nature最新文章:
http://www.nature.com/nature/journal/v473/n7348/full/nature1010
Improved measurement of the shape of the electron
Nature Volume: 473,Pages: 493–496 Date published: (26 May 2011) DOI
The electron is predicted to be slightly aspheric1, with a distortion
characterized by the electric dipole moment (EDM), de. No experiment has
ever detected this deviation. The standard model of particle physics
predicts that de is far too small to detect2, being some eleven orders of
magnitude sm... 阅读全帖
w*******y
发帖数: 60932
13
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