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全部话题 - 话题: dilution
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A******y
发帖数: 2041
1
来自主题: Biology版 - IC50还是LD50,怎么算?
Btw, I made a mistake, the name should be EC50 (effective concentration).
LD (lethal dose) is usually used in vivo for animal studies.
This is how my lab does EC50: We do 12 point titration either (1/2 or 1/3)
dilution per dilution. For example, for single digit microM compounds, we
do 200 micorM, 100 micorM, 50 microM, for 12 (Log[concentration] will be
your X-axis) points...After that we determine the viability of the cells (Y
axis). Then, you use a non-linear fit program (Prism is the mos... 阅读全帖
r******g
发帖数: 600
2
我做lipo transfect MCF-7
6 well plate- 2ml culture/well
一下protocol剂量 用于 one sample (1 well)
12.5 lipo diluted in 150uL OPTI-MEM
2.5ug plasmid DNA diluted in 150uL OPTI-MEM
sit in RT for 20'
把上面的两个150uL Mix 约等于300uL
sit for 5'
250uL used for each well for transfection.
m*********D
发帖数: 1727
3
来自主题: Biology版 - CRISPR point mutation作出来了
你这样的问题我已经碰到很多人问了。我只能说不容易。我用的donor
不是ssDNA,但怎么克隆一个selection marker进去,又不影响感兴趣基因的splicing,
我还没有想出办法。除非你的突变点靠近后面的UTR,而UTR又比较小,你才有可能加在
你的基因后面。
按我作high-through put的思维,你最好作dilution method,一个well里平均放100个
细胞,然后duplicate每个well, 一个提DNA,PCR,genotyping。再把阳性的well细胞(
duplicate)dilute到single细胞per well,在genotype。这样,你一百个well/PCR能覆
盖10000个单细胞,还没有,就该放弃了。
c****1
发帖数: 1095
4
关于这个standard curve,我想探讨下。
我们老板,要求我们每次qPCR,对每对primer都要用input的dilution做standard
curve。而且要用定量的input做standard curve (10, 1, 0.1, 0.01 ng/ul)然后
sample的定量就用这个standard curve。我觉得更合理的做法是,应该是根据实际IP的
样品量(1/20, 1/200, 1/2000 and 1/2000 of ChIP input)standard curve。这个问
题,跟他争论了好几次,后来就懒得跟他争了。
另外,至于就是是否需要每次都做standard curve?我觉得其实是没有必要的,甚至用
input做standard curve是完全不需要的。standard curve本身的目的就是为了计算
primer的efficiency,以方便定量。其实,模板的量,也会影响primer的efficiency,
primer对input样品的effficiency不一定跟IP样品的一样。而且,qPCR本身是有每次
PCR循环的数据的。根据li... 阅读全帖
A******y
发帖数: 2041
5
来自主题: Biology版 - 请教qPCR cycle 的问题
So how much RNA or cDNA sample do you add to your qPCR? What you do is take
a sample (usually control), do a x2 serial dilution and see if your cycle
is close to a single cycle per dilution and if it is linear. It is call PCR
amplification efficiency. It doesn't have to 100% but I think you should
have >90% and linear.
m**n
发帖数: 206
6
来自主题: Chemistry版 - 再次请教关于HILIC的问题
peptides sure will have different solubility in different solvent. If you
prepare sample in ACN, diluted sample (10time diluted than RPLC) and
increasing injection volume (10times injection of RPLC) will probably make
those peaks visible.
w**k
发帖数: 1455
7
My personal opinion is
1. Anti-dilution only works for founders who intend to stay and help growth.
if he plans to leave the company permanently, it will be extremely
difficult for him to implement any anti-dilution mechanism at this early
stage of the company. Who is going to invest in the company if there is one
person out there doing nothing but getting 25% of whatever the value the
company creates?
2. Unless he is an absolute necessity to the company, he will have little
leverage against ... 阅读全帖
y*******y
发帖数: 71
8
"My personal opinion is
1. Anti-dilution only works for founders who intend to stay and help growth.
if he plans to leave the company permanently, it will be extremely
difficult for him to implement any anti-dilution mechanism at this early
stage of the company. Who is going to invest in the company if there is one
person out there doing nothing but getting 25% of whatever the value the
company creates?"
Then how on earth can an angel investor protect his/her rights? You are
talking about whe... 阅读全帖
w********h
发帖数: 12367
9
good useful for u...
also useful for me,
I am studying polymer dynamics in dilute and semi-dilute regimes.

http://pubs.acs.org/cgi-bin/article.cgi/mamobx/2002/35/i08/pdf/ma0121518.pdf
o********e
发帖数: 34
10
来自主题: Macromolecules版 - SAXS profile calculation
For liquid (polymer in solutions) or crystal sample?
For polymer in solutions, the calculation for concentrated and dilute sample
are different.
Typcially, for concentrated samples, the so-called structure factor will
pollute your scattering profile. (Well, some people may like this
structure factor if they want to study the interactions.)
For dilute sample, things will be much easier. However, you still need
to have an idea of the conformation of your polymer before the calculation.

should
sug
h*****t
发帖数: 1226
11
来自主题: Pharmaceutical版 - 有人做LC/MS/MS吗?问个标准曲线问题
You can dilute it and make it fix to the linear range, but you need do
replicants to access your dilution errors.
g***e
发帖数: 4074
12
本来想说这个跟particle的紧密度也有关系,不过感觉象是废话。
pack得太紧,那哪里还有微米尺寸颗粒一说?呵呵。
如果说微米颗粒意味着可以忽略颗粒间的作用的话,感觉颗粒状的情形
应该会有更小的loss。在极端情况下,当颗粒的尺寸小于domain尺寸的
时候,这个就是一个superparamagnets的集合,忽略相互之间的作用,
基本上不会有任何hysteresis的行为(包括magnetization,其名也源于
此),也就不会有由此产生的motion和heat作用。
我觉得比较一下磁性-非磁性合金(显现铁磁性)与相同比例、磁性颗
粒镶嵌在非磁性背景的混合体的差别比较有意思。这几年dilute
magnetic semiconductor就一直有磁性杂质是否uniformly diluted
的争论:有人认为材料中磁性分子很均匀地、分子尺度地分散;而有些
人发现磁性分子形成cluster分布在材料中。我自己做的不是这个方向,
只是组里有人做相关内容,很多具体的东西我不是不太清楚。
s***n
发帖数: 678
13
来自主题: Physics版 - 低温物理没有了He3……
看这期的Physics Today,谣传多年的He3荒,终于发生了。市场上He3已经有价无货了。
这岂不是低温物理的终结者么。据说Oxford卖dilution fridge已经不跟着卖He3了。换
句话说这几年就别想买新的dilution fridge了不是。。。
s***n
发帖数: 678
14
来自主题: Physics版 - 低温物理没有了He3……
偶说的是新的dilution fridge。。。比如哪家的助理教授。。。这意味着这个方向的
毕业生就很难找faculty职位了,你说他怎么再申请funding呢。写在proposal上说打算
买个二手dilution fridge?
旧的嘛,大家都好好注意保养吧,千万可别漏了。
m*******r
发帖数: 7495
15
来自主题: Switzerland版 - 第一次试验北京烤鸭
做过几次烤鸭了,但今天是我第一次严格按照北京烤鸭的方子来做。
Although I had cooked roasted duck several times, it was my first time to
try the famous Peking Duck recipe.
先是开水烫鸭,真的能看到皮收缩的!然后我刷了2遍调稀的蜂蜜(方子里用的是麦芽
糖),鸭肚子插啤酒瓶,立着让鸭子烘干:
The first step was to use boiling water to shrink the duck's skin. It was a
key technique to separate the skin from the layer of fat underneath the skin
. This technique was intended to generate crispy and delicious duck skin
after roasting. The duck skin was really shrinking when very hot boiling
w... 阅读全帖
m*******r
发帖数: 7495
16
来自主题: Switzerland版 - 第一次试验北京烤鸭
做过几次烤鸭了,但今天是我第一次严格按照北京烤鸭的方子来做。
Although I had cooked roasted duck several times, it was my first time to
try the famous Peking Duck recipe.
先是开水烫鸭,真的能看到皮收缩的!然后我刷了2遍调稀的蜂蜜(方子里用的是麦芽
糖),鸭肚子插啤酒瓶,立着让鸭子烘干:
The first step was to use boiling water to shrink the duck's skin. It was a
key technique to separate the skin from the layer of fat underneath the skin
. This technique was intended to generate crispy and delicious duck skin
after roasting. The duck skin was really shrinking when very hot boiling
w... 阅读全帖
w*******y
发帖数: 60932
17
Link:
http://www.ebay.com/itm/110818257192
I got it from ebay email blast
its $16.99 on amazon Link:
http://www.amazon.com/gp/product/B006078D4W
Serve your drinks truly "on the rocks" with these Chilling Rocks. If you're
like most whiskey drinkers, you probably chill your whiskey with ice. Well
after spending money on premium whiskey or scotch why would you dilute it
with water? These Chilling Rocks are the perfect way to slightly chill your
favorite spirit without diluting the complex flavors. ... 阅读全帖
w*******y
发帖数: 60932
18
saw this on ebay dailly deals before
Link:
http://iway.org/9579241
amazon link
Link:
http://iway.org/9579251
Includes set of 9 Chilling Rocks, and a Muslin Storage Pouch -
Beautifully Boxed and a great Gift item!
Made From 100% Soapstone: Soapstone maintains its temperature for long
periods of time, and is Regarded As Safe (GRAS) by the FDA. Soapstone is
made up of talc which will not react to water, alcohol and or other drinks
These Rocks have extremely soft finish and are surprisin... 阅读全帖
D**p
发帖数: 293
19
来自主题: _Stockcafeteria版 - 个股分析: NCS
首先声明本文是分析,不是推荐。本股具有相当高的风险。但是回报可能也是非常快,
非常高。
NCS 因为资金紧缺,面临倒闭。所以股票一直处于历史地位。一个具有 $1.2 Billion
Revenue 的公司,他的 Market Cap 最近一直处在$50-70M. 这是对倒闭的强烈预期。
但是 从 10月12日, 13日,公司股票从$2.7x 直线窜到 $3.68. 然后慢慢回落到 $3.1
左右。
10月16日,它公布了一个 Financing deal, 也就是说,公司拿到了投资。投资以
Preferred 形式进来,公司近期已经不存在倒闭的风险。16日开盘股票冲高到 $3.27后
急剧下跌,最低到达 $2.46. 收盘 $2.51.
对于下跌的原因,网络上的分析是“Dilution",”Dilution" 是肯定的。由于
Preferred deal Structure 比较复杂,暂时还不太容易算清楚 Deal-close 以后公司
的价值。
但是我的观点是:此次暴跌实际上是 Short 的一个杰作,利用人们还不太清楚 Deal-
structure 的情况下,在低位 Close-
y*****2
发帖数: 2435
20
来自主题: _Stockcafeteria版 - 很久没看,C最近怎么这么萎缩?
连BAC都要增发。
他还能不增发?
就怕增了都换不上。。。
总之换上换不上都是利空。
还上了就是大量DILUTE COMMON SHARES
换不上就是盈利能力差,现金紧张,难以融资的表现,同时在未来竞争中难以吸取人才。
总之就是一个死
现在价钱就不低,我敢说基本上是增发多少就DILUTE多少,等着吧
w*****o
发帖数: 421
21
来自主题: _Stockcafeteria版 - RAS 1Q ER
PHILADELPHIA, Apr 29, 2010 (BUSINESS WIRE) -- RAIT Financial Trust ("RAIT")
/quotes/comstock/13*!ras/quotes/nls/ras (RAS 3.95, +0.80, +25.40%) today
announced results for the first quarter ended March 31, 2010. RAIT reported
net income allocable to common shares for the three-month period ended March
31, 2010 of $31.2 million, or $0.41 total earnings per share - diluted
based on 75.5 million weighted-average shares outstanding -- diluted, as
compared to net loss allocable to common shares for th
s**********n
发帖数: 868
22
来自主题: _EEInvestor版 - Solar 2nd offering
As a SOL shareholder, I'm very pissed off by the offering price.
4.75... How can they dilute at such a robbery price?!
20+% dilution to reduce Dedt/Equity from 160% to 130%...

000
s**********n
发帖数: 868
23
Net Sales $568 million
EPS $2.00 per fully diluted share
Increased 2010 EPS guidance to $6.80-$7.30 per diluted share
Board of Directors approves an additional four line factory
TEMPE, Ariz., Apr 28, 2010 (BUSINESS WIRE) --First Solar, Inc. (Nasdaq: FSLR
) today announced its financial results for the first quarter ended March 27
, 2010. Quarterly net sales were $568.0 million, up 36% from $418.2 million
in the first quarter of 2009, mainly due to strong PV module demand and
increased production
j*****h
发帖数: 3292
24
ARO NET sales 5 wks 10/02/2010 +9% to $204.2 M
10/03/2009 $187.3M
YoY SSS +3%, (-2.4% average of analysts’estimates)
last years +19%
YTD Net sales have increased 10% to $1.415 billion, from $1.290 billion in
the year ago period.
YTD, SSS +4%, compared to a same store sales increase of 12% last year.
merchandise margins were down versus last year, and inventories continue to
be well controlled.
The Company currently operates 901 Aeropostale stores in 49 states and
Puerto ... 阅读全帖
t*******o
发帖数: 1464
25
来自主题: _pennystock版 - ADG
谁帮我FA一下这个ER report?我没买,眼睁睁看着他前天从3.6上来的,但想着这个股
还可以搞搞。
ER 看上去不错。一个专门做军火的,受到经济影响大吗?去年这时候他基本面我觉得
比现在烂,都能有7块钱。是不是有点上升空间? 上周放量是一个机构持有者
sell out,有人能把这么大盘子接住,总的垃拉吧。这个股没什么散户在玩。TA上看日
线,周线都是蛮好的,我觉得上面一块钱的区域没什么阻力。
http://money.cnn.com/news/newsfeeds/articles/prnewswire/200908131600PR_NEWS_USPR_____NY61375.htm
VIENNA, Va., Aug. 13 /PRNewswire-FirstCall/ -- The Allied Defense Group, Inc
. (NYSE Amex: ADG), a multinational defense company focused on the
manufacture, sale and distribution of ammunition and ammun... 阅读全帖
D**p
发帖数: 293
26
来自主题: _pennystock版 - 【主贴】个股分析: NCS
首先声明本文是分析,不是推荐。本股具有相当高的风险。但是回报可能也是非常快,
非常高。
NCS 因为资金紧缺,面临倒闭。所以股票一直处于历史地位。一个具有 $1.2 Billion
Revenue 的公司,他的 Market Cap 最近一直处在$50-70M. 这是对倒闭的强烈预期。
但是 从 10月12日, 13日,公司股票从$2.7x 直线窜到 $3.68. 然后慢慢回落到 $3.1
左右。
10月16日,它公布了一个 Financing deal, 也就是说,公司拿到了投资。投资以
Preferred 形式进来,公司近期已经不存在倒闭的风险。16日开盘股票冲高到 $3.27后
急剧下跌,最低到达 $2.46. 收盘 $2.51.
对于下跌的原因,网络上的分析是“Dilution",”Dilution" 是肯定的。由于
Preferred deal Structure 比较复杂,暂时还不太容易算清楚 Deal-close 以后公司
的价值。
但是我的观点是:此次暴跌实际上是 Short 的一个杰作,利用人们还不太清楚 Deal-
structure 的情况下,在低位 Close-... 阅读全帖
e*n
发帖数: 1511
27
来自主题: _pennystock版 - 请看看NPD
需要把这个读一遍。
China Nepstar Chain Drugstore Reports First Quarter 2010 Financial Results
- Same Store Sales Growth 6.9% -
SHENZHEN, China, May 18 /PRNewswire-Asia-FirstCall/ -- China Nepstar Chain
Drugstore Ltd. (NYSE: NPD) ("Nepstar" or "the Company"), the largest
drugstore chain in China in terms of the number of directly operated stores,
with 2,559 directly operated stores in operation as of March 31, 2010,
today announced its unaudited financial results for the first quarter ended
March 31, 2010... 阅读全帖
g******0
发帖数: 1165
28
来自主题: _pennystock版 - Special Reports After-Hours Movers 7/20
After-Hours Movers 7/20: CYT, SABA, VMW, URI, ETH, JAH, AAPL, BSX, TPX, BP
Higher; YHOO, GILD, APA, MDRX, SYK, JNPR Lower
Jul 20, 2010 05:40PM
Cytec (NYSE: CYT) 12.4% HIGHER; reports Q2 EPS of $1.31, 64 cents better
than the analyst estimate of $0.67. Revenue for the quarter was $874 million
, which compares to the estimate of $801.84 million. "We now expect to
achieve 2010 revenues of $3.2 to $3.4 billion versus our prior projection of
$2.7 to $3.0 billion, and as adjusted 2010 diluted earnings... 阅读全帖
g******0
发帖数: 1165
29
来自主题: _pennystock版 - 求教 帮忙看下这个报表如何
噢 这个小股票 5月份才IPO 已经跌了一半了
那麻烦凤凰哥看看它的ER如何 谢谢~
In December 2009, the Company through one of its subsidiaries, Xi'an Softech
Co., Ltd. ("Softech"), entered into a series of agreements with Xi'an
Kingtone Information Technology Co., Ltd. ("Kingtone Information") for it to
qualify as a Variable Interest Entity ("VIE"). Therefore subsequent
financial statements will present Kingtone Information on a consolidated
basis.
On March 23, 2010, the board has reached a resolution to change the fiscal
year end ... 阅读全帖
m*z
发帖数: 2356
30
来自主题: _pennystock版 - C如何才能上40?
C diluted 8X, BAC diluted 2X. 就算C没有dolution, 要回到$40都不可能.
b**t
发帖数: 656
31
http://www.businesswire.com/news/home/20101107005093/en/ATP-Announces-Quarter-2010-Results-Operations-Update
HOUSTON--(BUSINESS WIRE)--ATP Oil & Gas Corporation (NASDAQ: ATPG) today
announced results for third quarter 2010 and an update on operations.
Results of Operations
Production for the third quarter 2010 averaged 21.1 MBoe/day, compared to 21
.3 MBoe/day for the second quarter and 38% greater than the comparable
quarter in 2009. Revenues from oil and gas production were $102.1 million
for ... 阅读全帖
y*****l
发帖数: 5997
32
来自主题: _pennystock版 - CAGC 盘前-15%,CGA盘前+5%
IN-line. Est 30c, act 29c.
http://precisionir.api.edgar-online.com/EFX_dll/EdgarPro.dll?FetchFilingCONVPDF1?SessionID=aRkxHFF9bTI__HS&ID=7547035
"We are pleased with our strong performance in the first quarter. While
Gufeng added $21.8 million to our net sales, Jinong turned in a solid
performance with a 62.8% of sales increase compared to the first quarter of
fiscal 2010," stated Mr. Tao Li, Chairman, President and Chief
Executive Officer of China Green Agriculture.
"During this quarter we made... 阅读全帖
r********4
发帖数: 280
33
来自主题: _pennystock版 - AIG question
FAIRHOLME CAPITAL MANAGEMENT is keeping adding more and more shares, now it
may occupy more than 28% of AIG shares. But it's lots of uncertainty ahead
for AIG. Especially government is going to take 92% of total share, it means
current total share number will be doubled soon. I think it is good to add
shares after the dilution rather before dilution occurs. I am not quite
understand his action. Anybody can offer your opinion? THX.
a********h
发帖数: 819
34
Shouldn't worry too much about dilution
Probably won't happen for another 6 months
Also What I like this company is that management is smart and always dilute
at local max price
So you are only bullish on avl not great western or quest or alk.ax?
I will add some alk since it's the only one I don't have
a********h
发帖数: 819
35
Shouldn't worry too much about dilution
Probably won't happen for another 6 months
Also What I like this company is that management is smart and always dilute
at local max price
So you are only bullish on avl not great western or quest or alk.ax?
I will add some alk since it's the only one I don't have
t******g
发帖数: 462
36
来自主题: _pennystock版 - CTSO大家如何看,今天涨了一倍多了
Thanks a lot, that's the best dilution analysis on this stock.
Let's see if they will do some more dilution shortly, I might consider buy
lower than their offer price.
y*****l
发帖数: 5997
37
来自主题: _pennystock版 - 明天反弹,关注稀土,金银,和生拉.
Celsion Reports First Quarter 2011 Financial Results and Provides Business
Update
Now - Marketwire via Comtex
MarketwireCelsion Corporation (NASDAQ: CLSN), a leading oncology drug
development company, today announced financial results for the first quarter
ended March 31, 2011 and addressed the progress of its clinical trials of
ThermoDox(R), Celsion's proprietary heat-activated liposomal encapsulation
of doxorubicin for the treatment of hepatocellular carcinoma (HCC), commonly
referred to as pr... 阅读全帖
v**********m
发帖数: 5516
38
来自主题: _pennystock版 - dndn 3Q
http://investor.dendreon.com/releasedetail.cfm?ReleaseID=620325
PLEASE click the weblink above to see the whole story.
DENDREON CORPORATION
CONSOLIDATED STATEMENTS OF OPERATIONS
(in thousands, except per share amounts)
Three Months Ended
September 30, Nine Months Ended
September 30,
2011 2010 2011 2010
(unaudited) (unaudited)
Revenue $64,287 $20,219 $139,468 $23,050
Cost of revenue 54,978 12,433 ... 阅读全帖
W********g
发帖数: 610
39
来自主题: _pennystock版 - ASTX也不错
税收五年一直处于增长状态...cash充足,我觉得风险相对于BPAX小一些
James S. J. Manuso
Thank you, Tim. Good afternoon, and thank you for joining us for Astex
Pharmaceuticals 2012 First Quarter Conference Call. During the quarter, we
made considerable operational progress on many fronts in discovery, research
and in the clinical and regulatory development of our drugs. Our balance
sheet remains sound and our financial performance was excellent. We ended
the quarter with $126 million in cash and marketable securities and we
po... 阅读全帖
q********g
发帖数: 10694
40
来自主题: _pennystock版 - 又一篇pump文章,关于SRPT
观点很象这里Jenny12以前说的。从中也学习到一些分析医药股的方法。例文欣赏。
http://seekingalpha.com/article/895051-sarepta-therapeutics-loo
Sarepta Therapeutics Looks Highly Undervalued
September 28, 2012 | 37 commentsby: Sean Anderson | about: SRPT
R.S. Analytics wrote up the long case for Sarepta Therapeutics (SRPT)
earlier this month here. I agree with that thesis, and won't bore everyone
by repeating it here since R.S. did such a great job telling it already.
There are, however, a few points that I'd like to expand on.
In ... 阅读全帖
m****i
发帖数: 3406
41
支持! 说的好,菌斑那种粪坑,每天有个屁新闻,全是meiguohuaren那种shit
这个中新版应该少吵架,多点新闻,多点有内容的评论,海公公这种玩意,
就是来捣乱,dilute这个新闻版,我建议大家都别回丫贴,回丫贴就等于支持他。

ID
m****i
发帖数: 3406
42
来自主题: ChinaNews版 - 大家别和毛轮扯江青了
江青这种,多讨论就dilute本版帖子,大家多讨论论中国的国计民生。
r***e
发帖数: 2000
43
这个在中国也许可行,但是在美国可以被诉trademark dilution了吧?
F*V
发帖数: 3978
44
http://www.cnn.com/2012/11/19/business/hsbc-insurance-sale/
涉嫌平安的人应当是叛国罪!!!
(Finacial Times) -- HSBC is considering selling its stake in Ping An
Insurance, China's second-biggest insurer by assets, as part of its global
drive to improve profitability.
The bank's 15.6 per cent stake in Ping An is worth $9.5bn, nearly triple the
$3.5bn in savings that HSBC has targeted before 2014.
"HSBC has from to time received approaches regarding its shareholding and
confirms that it is in discussions which ma... 阅读全帖
c***s
发帖数: 70028
45
MONROE — Dressed in green jail garb and with her hands cuffed in front of her, 40-year-old chemist Tianle Li stood before a judge in New Brunswick on Wednesday and listened with quiet composure as she was charged with murdering her husband by dosing him with a rare lethal drug.
Li’s lawyer, Steven Altman, entered a plea of not guilty, and a few minutes later, the hearing was over.
But while the legal part of this story was sorting itself out, startling details were emerging about a frantic, hero... 阅读全帖
m*****a
发帖数: 92
46
Japan Nuclear Crisis: What Is a Full Meltdown?
Tuesday March 15, 2011 2:50 PM - Leave a Comment
Japan is on the brink of a nuclear disaster in the wake of its
devastating earthquake and tsunami, with a third explosion at the
Fukushima Daiichi nuclear power station damaging the steel containment
structure of one reactor, and a fire at another spewing radioactive
material into the air. Before the latest explosion and fire, as workers
raced to stay ahead of a full meltdown, The Daily Beast spoke wi... 阅读全帖
c****s
发帖数: 5892
47
日本核事故泄漏的放射物质已到达大温地区! 西门菲沙大学(SFU)研究团队近日在该校位于本那比山以及温哥华市中心校区检测出「辐射雨」,同时在北温码头测得「辐射海藻」,它们含有微量具有放射性的碘-131(iodine-131),相信福岛核事故是唯一来源。 不过研究人员和省府医官皆强调,公众毋须忧虑,目前测得的辐射水平并不足以对人体健康造成危害。
西门菲沙大学在3月19、20及25日的雨水样本检测中,发现碘-131放射活度增加,从原本的每升雨水每秒0贝克(Bq/L)增至10左右。 (西大网站数据)
此外,福岛核电站释放的辐射,亦随风扩散到中国沿岸,广东昨日已测得微量放射性碘-131,香港天文台预测一股气团正由中国东北向南移动,预料在周四上午抵达,不排除会将辐射带到香港。
西大的研究团队称,未来数星期将会继续监测本地的辐射物质。
西大核专家斯塔罗斯塔(Kris Starosta)表示,其研究团队从本月初开始,从西大本那比山上和温哥华市中心两地采集的雨水样本,以及从北温码头附近海域和温哥华岛西岸柏克里湾(Barkley Sound)采集的海藻样本中,监测辐射水平;在本月16日及18日的样本中均未... 阅读全帖
M*****e
发帖数: 279
48
"肌肉中大量产生的肌酸激酶来不及排出,释放到血液中,引起肾小管堵塞,导致急性
肾功能损伤".
应当不是“肌酸激酶”。而是骨骼肌(属横纹肌)损伤后,大量的“肌球蛋白”(
myoglobin)释放到血液中,引起肾小管堵塞,导致急性肾功能损伤。
Reference:
http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0001505/
A.D.A.M. Medical Encyclopedia.
Rhabdomyolysis
Last reviewed: September 19, 2011.
Rhabdomyolysis is the breakdown of muscle fibers that leads to the release
of muscle fiber contents (myoglobin) into the bloodstream. Myoglobin is
harmful to the kidney and often causes kidney damage.
Causes, incidence, and risk factor... 阅读全帖
F**********y
发帖数: 707
49
来自主题: Military版 - duke,真天才学校,没有之一
Flawed Education
Chinese colleges graduate many times the number of engineers and scientists
that American universities produce, but such statistics are misleading. To
meet the quotas for graduates set by Beijing, academic programs dilute their
standards. They further inflate their count by counting as engineering
students those studying to become mechanics or industrial technicians. The
result, according to a pioneering study led by Duke University professors
Gary Gereffi and Vivek Wadhwa, is t
g**********1
发帖数: 491
50
来自主题: Military版 - duke,真天才学校,没有之一
介个没错.中国各大赚民办院校的毕业学生都算做college students的。
duke深受其害。被当初那群作弊的MBA闹得

scientists
misleading. To
dilute their
engineering
technicians. The
professors
far
When they
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