N*****r 发帖数: 105 | 1 Obviously it was because of Facture.
The bridge as identified as Fracture Critical and structural dificient
several years ago.
Look at: NCHRP Synthesis 354: Inspection and management of Bridges with
Fracture Critical Details
Page 21
“…. As part of a study being conducted on the I-35W truss bridge in
Minneapolis, Minnesota, complex three-dimensional finite0element models of
the bridge are being developed. Fracture-critical members are removed from
the model and the resulting redistribution of loa |
|
s*******s 发帖数: 133 | 2 why? aren't those who are working on micro fracture also very familiar
with macro fracture concepts?
and any suggestion for fracture people's job-hunting? |
|
s*******s 发帖数: 133 | 3
I once talked with an established professor who was working in fracture
mechanics for 20 years. he told me that fracture mechanics is losing its
glamor now, both in industry and in academia. look at those professors
working in fracture fields, they can tell you how hard it is to get funding
nowaday.
I have been job-hunting for a while. Personally I feel manufacturing may still
be the best area in ME regarding to job opening issue, though they are outsourcing
manufacturing jobs to china and indi |
|
E***a 发帖数: 60 | 4 a study is done to determine if raloxifene will decrease the incidence of
vertebral fractures in postmenopausal women. The results are shown:
number of women in study group Raloxifene 2557 , Placebo 2576
number of verterbal fractures 138 260
(5.4%) (10.1%)
How many women need to be treated to prevent 1 vertebral fracture?
A. 100/5.4=18.5
B. 100/10.1=10
C. 100/(10.1+5.4)=6.5
D. 100/(10.1-5.4)=21
E. 100/(10.1 x 5.4)=2
why not D, the answer is E from feedback,although cannot understand why????... 阅读全帖 |
|
M********3 发帖数: 269 | 5 just my two cents:
What is the Dx?
from the AP x-ray:
1. nonarticular proximal tibia fracture
2. LCL tear ?
What does the patient like to have in physical exam?
1. local tenderness and swelling
2. pain on weight bearing
3. limited ROM
4. knee unstable
5. foot cool and pale, no pulse of the dorsalis pedis artery --> blood
supply impairment, e.g. popliteal artery injury --> can cause thrombus
6. numbness of the foot --> nerve injury
7. 5 and 6 --> compartment syndrome ? --> if yes --> emergency O... 阅读全帖 |
|
c*******r 发帖数: 6971 | 6 WASHINGTON (AP) -- The Food and Drug Administration on Tuesday approved
Amgen
's bone strengthening drug, Prolia, for postmenopausal women at risk for
fractures, a potential blockbuster market.
The injectable drug is given once every six months to increase bone mass
and strength.
Analysts think Prolia should bring Amgen billions in revenue after it is
launched. Sales of the company's former top sellers, the anemia drugs,
Aranesp
and Epogen, have dropped in recent years due to safety concerns and... 阅读全帖 |
|
发帖数: 1 | 7 The Liberty Bell
Liberty Bell
Tradition tells of a chime that changed the world on July 8, 1776, with the
Liberty Bell ringing out from the tower of Independence Hall summoning the
citizens of Philadelphia to hear the first public reading of the Declaration
of Independence by Colonel John Nixon.
The Pennsylvania Assembly ordered the Bell in 1751 to commemorate the 50-
year anniversary of William Penn's 1701 Charter of Privileges, Pennsylvania'
s original Constitution. It speaks of the rights and... 阅读全帖 |
|
i***a 发帖数: 4718 | 8 http://www.nytimes.com/2010/10/07/world/asia/07china.html?_r=1&hp
By ANDREW JACOBS and JONATHAN ANSFIELD
Published: October 6, 2010
BEIJING — With just a day until the Nobel Peace Prize is awarded, the usual
whirl of speculation over the winner is in full force, with many human
rights advocates contending that an imprisoned Chinese dissident, Liu Xiaobo
, has emerged as the favorite.
If selected, Mr. Liu, a former literature professor who has spent the last
20 years cycling in and out of Chinese... 阅读全帖 |
|
m**********n 发帖数: 27535 | 9 http://www.nytimes.com/2010/10/07/world/asia/07china.html?_r=1&hp
Unusual Opposition to a Favorite for Nobel
By ANDREW JACOBS and JONATHAN ANSFIELD
Published: October 6, 2010
BEIJING — With just a day until the Nobel Peace Prize is awarded, the usual
whirl of speculation over the winner is in full force, with many human
rights advocates contending that an imprisoned Chinese dissident, Liu Xiaobo
, has emerged as the favorite.
If selected, Mr. Liu, a former literature professor who has spent the ... 阅读全帖 |
|
u****n 发帖数: 7521 | 10 http://www.thetrumpet.com/index.php?q=7835.6441.0.0
It’s Hard to Watch Your Country Die -One can’t help but sigh and cry.
看到你的祖国死去很痛苦,只有止不住的叹息和哭泣。
America suffers with several ills from which it will not recover. This
reality is becoming inescapably plain.
美国正在遭受病痛的折磨,这个病好不了了。这是一个不可避免的(inescapable)而
且很简单的( plain)事实。
原文链接+全文
========================
It’s Hard to Watch Your Country Die
January 12, 2011 | From theTrumpet.com
One can’t help but sigh and cry.
Robert Gates says don’t underestimate Ame... 阅读全帖 |
|
b*********d 发帖数: 3539 | 11 原理:往地下灌大量富含各种有机溶剂、防腐剂、抗腐蚀成分的水,吸收天然气,然后再抽上来提纯。问题是抽上来的大约只有灌进去的一半,剩下的...全进地下水。hydraulic fraction技术已经在六个州全面铺开,最近几年发展神速。
污染:
一半废水进入地下水;地上浓缩的废水敞口蒸发;大量天然气和其他有毒气体直接泄进大气。
自来水泛黄、发黑、冒泡
地下水能点着火。溪流冒泡,插个管子能当炉子使
动物掉毛,鸟类、兔子、鱼类死亡
附近住户哮喘、癌变、周身疼痛、神经症状诸如丧失嗅觉和部分味觉,身体不能移动
官方态度:1. 水质测量没发现问题。2. 能源危机背景下,要有所取舍,顾全大局,退一步进两步。
审查:cheney在任上给这项技术立法大开绿灯,使其对任何环保法案免疫,同时不需要公开使用的化学成分。EPA更是连审查都管不着。直到2010年6月hydraulic fracturing使用的化学成分才公开,其中相当多的都是致癌物,绝育变异,不一而足。
最妙的是,绝大部分p民在认识到这项技术的危险性之前,都被开采公司拿钱买断,签了保密/免责协定。谁公开说这事儿,谁就法庭上见。
米帝这项工程利国利民,... 阅读全帖 |
|
L*********d 发帖数: 7037 | 12 。。。 A consultant to the CIA for 13 years and one-time scholar-in-
residence at CIA headquarters in Langley, Virginia, Fuller was tapped last
year to head the study on potential Asian ethic ``fracture zones.'' The CIA'
s Office of Transnational Issues, which contracted for the study, was
interested in gauging whether China might ''pop its cork'' any time soon,
Fuller said in interviews with Reuters this week. Citing former colleagues
at Langley, he said CIA in-house analysts, stung by lapses in p... 阅读全帖 |
|
TN 发帖数: 1870 | 13 Oil and Gas Companies Injected Cancer-Causing Chemicals During Fracking;
Backlash Grows
Drilling companies still claim that fracking, which involves shooting
chemicals and water underground to release gas, is safe but they are
increasingly fighting an uphill battle against facts.
The AP reported today that a new report by House Dems Henry Waxman of
California, Edward Markey of Massachusetts and Diana DeGette of Colorado
found that oil and gas companies injected millions of gallons of potentially... 阅读全帖 |
|
c******g 发帖数: 322 | 14 能否贴一下求救信, 连接打不开。
下面是当年参与网络救助的Dr. Fink 对朱令网络救助写的文章。 第一句就是说“
fractured" english. http://www.rafink.com/tao.php
The Tao of the Internet
by Robert A. Fink, M. D., F.A.C.S.
On April 11, 1995, I found in my Internet mailbox a message, in "fractured"
English, from a young graduate student at Beijing University in China. It
was a message of desperation. It concerned the plight of a fellow graduate
student in chemistry, a 21-year-old woman who lay in the Intensive Care Unit
of the University Hospital of... 阅读全帖 |
|
c******k 发帖数: 8998 | 15 前一阵有人联系当初参与救助的老美医生Robert A. Fink,他说这个求助的email是"
fractured" english.要么你的英语很烂,要么你的英语比老美医生还要牛。
http://www.mitbbs.com/article/WaterWorld/1958681_3.html
On April 11, 1995, I found in my Internet mailbox a message, in "fractured"
English, from a young graduate student at Beijing University in China. It
was a message of desperation. |
|
l********u 发帖数: 910 | 16 我不觉得这文行文是中国人所为
中国人常见的时态、单复数错误,文中相当少见
行文特点非常符合美国人描述风格,特别是那些破折号
该文估计比较情急,所以部分内容较粗心,显得fractured.
除此我认为90年代中期中国人学英语接触面,写不出这么地道的英文。
前一阵有人联系当初参与救助的老美医生Robert A. Fink,他说这个求助的email是"
fractured" english.要么你的英语很烂,要么你的英语比老美医生还要........ |
|
l********u 发帖数: 910 | 17 我认同那个医生的看法,即"fractured English"
但“fractured English=/= Chinglish”
可能经过多人修改啦
那时候敲键盘的就会电脑的人,会电脑的英语水平不一定行
搞错几个单词很正常
不要说95年,97、98都有很多广告在标榜打字速度的
那时候,特别是95年,打字快~=会电脑~=高科技
况且当时的看法肯定是能表达出个意思就可以
不可能追求100%完美的,又不是投稿 |
|
T**********e 发帖数: 29576 | 18 火星奇特地貌
The pointy features, dubbed "Razorback," in this image may only be a few
centimeters high but they generate major scientific interest. This chunk of
rock sticks up at the edge of flat rocks in "Endurance Crater." Based on
their understanding of processes on Earth, scientists believe these features
may have formed when fluids migrated through fractures, depositing minerals
. Fracture-filling minerals would have formed veins composed of a harder
material that eroded more slowly than the roc... 阅读全帖 |
|
|
j***o 发帖数: 5096 | 20 不同意,看官方连接,EPA调查此事是high priority,
http://www2.epa.gov/hfstudy
At the request of Congress, EPA is conducting a study to better understand
any potential impacts of hydraulic fracturing on drinking water resources.
The scope of the research includes the full lifespan of water in hydraulic
fracturing. The progress report was released in December 2012 and a draft
report is expected to be released for public comment and peer review in 2014.
你明白啥叫peer review吗?EPA的peer review来自兄弟agency和各大高校,你觉得他
们全被收买我就... 阅读全帖 |
|
T**********e 发帖数: 29576 | 21 不过像是象征性迷惑敌人的,马上转身就扑了上去。警察开始没被他打晕算走运。
Darren Wilson, the Ferguson, Mo., police officer whose fatal shooting of
Michael Brown touched off more than a week of demonstrations, suffered
severe facial injuries, including an orbital (eye socket) fracture, and was
nearly beaten unconscious by Brown moments before firing his gun, a source
close to the department's top brass told FoxNews.com.
“The Assistant (Police) Chief took him to the hospital, his face all
swollen on one side,” said the insider. “He w... 阅读全帖 |
|
f****t 发帖数: 15913 | 22 叔来给你看看,靠YY写了这么多垃圾,要不要自己掌脸?
http://www.foxnews.com/us/2014/08/20/missouri-cop-was-badly-bea
Darren Wilson, the Ferguson, Mo., police officer whose fatal shooting of
Michael Brown touched off more than a week of demonstrations, suffered
severe facial injuries, including an orbital (eye socket) fracture, and was
nearly beaten unconscious by Brown moments before firing his gun, a source
close to the department's top brass told FoxNews.com.
“The Assistant (Police) Chief took him to the hospital, his ... 阅读全帖 |
|
b********n 发帖数: 38600 | 23 Waste Water from Oil Fracking Injected into Clean Aquifers
http://www.nbcbayarea.com/investigations/Waste-Water-from-Oil-F
"They lie, cheat, and steal without rest."
State officials allowed oil and gas companies to pump nearly three billion
gallons of waste water into underground aquifers that could have been used
for drinking water or irrigation.
Those aquifers are supposed to be off-limits to that kind of activity,
protected by the EPA.
“It’s inexcusable,” said Hollin Kretzmann, at the Center ... 阅读全帖 |
|
h**g 发帖数: 94 | 24 【 以下文字转载自 Stock 讨论区 】
发信人: Cibora (City of Gold), 信区: Stock
标 题: 平安夜里话石油
发信站: BBS 未名空间站 (Wed Dec 24 15:31:34 2014, 美东)
前些日子,看到板上好多大侠讨论了石油和油价的问题。今天事情少,俺也随便说两句
自己的理解。
很多人讨论石油,都是从美国vs俄罗斯、沙特vs美国、传统油气产业vs页岩油气产业这
样的大视角来说。我本人见识狭小,这些大局的东西俺都看不懂,俺就从俺懂的石油公
司的角度随便说说。
之前网上一个常见的观点是,这一把油价雪崩,美国各大石油公司都会受伤惨重。我对
此比较保留。在美国财阀政治的大背景下,石油公司都有强大的政治力量,如果不取得
石油财团的谅解,油价能那么莫名其妙在没有任何big event的情况下,突然就从100+
的高位崩到60以下,并且做出长期走低的姿态?我认为,大石油公司在这场油价雪崩中
必然是有收益的,因此他们才愿意支持并维持低油价一段较长的时间。问题在于大石油
公司在这场油价雪崩中,到底会有什么样的收益。
有这么一个故事,说两个人在山里走,突... 阅读全帖 |
|
|
W*******n 发帖数: 4140 | 26 NYS WCB # G2029240, The Power of Evil
---My Written Statement to the Upcoming 03/27/2020 Hearing
By Limin Wang
March 21, 2020
WCB’s correspondence received on 02/20/2020 states that the employer/
carrier, claiming to “have documentation of voluntary removal from the
labor market”, has made a hearing request on 02/10/2020, i.e., the date the
WCB panel of three judges announced their rejection to my 10/31/2019 review
appeal. I am eager to learn what kind of documentation it could be. My
documenta... 阅读全帖 |
|
发帖数: 1 | 27 CNN说聚聚已经软化了对中国的立场
而彭培奥还是厕所里的石头又臭又硬
CNN还说总统和国务卿外交态度不一样,这在美国历史上都比较罕见
Trump breaks with Pompeo?
Trump has refrained from directly attacking his counterpart, President Xi,
in an effort not to damage what he views as a close personal relationship
that is key to any trade deal. He has also pulled back on using the name "
China virus," or "Wuhan virus," though Pompeo and others continue to do so.
The two leaders spoke by phone Thursday night for the first time since early
February.
"Both leaders reiter... 阅读全帖 |
|
u****n 发帖数: 7521 | 28 【 以下文字转载自 Military 讨论区 】
发信人: ubcumn (ubcumn), 信区: Military
标 题: 看到你的祖国死去很痛苦,只有止不住的叹息和哭泣zz
发信站: BBS 未名空间站 (Thu Jan 13 14:16:38 2011, 美东)
http://www.thetrumpet.com/index.php?q=7835.6441.0.0
It’s Hard to Watch Your Country Die -One can’t help but sigh and cry.
看到你的祖国死去很痛苦,只有止不住的叹息和哭泣。
America suffers with several ills from which it will not recover. This
reality is becoming inescapably plain.
美国正在遭受好几个病痛的折磨,这些病好不了了。这是一个不可避免的(inescapable)而且很简单的( plain)事实。
原文链接+全文
========================
It’s Hard... 阅读全帖 |
|
b*********d 发帖数: 3539 | 29 【 以下文字转载自 Military 讨论区 】
发信人: bittergourd (苦瓜), 信区: Military
标 题: 来看米帝的断子绝孙工程,水变油的神奇科技
发信站: BBS 未名空间站 (Fri Feb 18 22:32:57 2011, 美东)
原理:往地下灌大量富含各种有机溶剂、防腐剂、抗腐蚀成分的水,吸收天然气,然后再抽上来提纯。问题是抽上来的大约只有灌进去的一半,剩下的...全进地下水。hydraulic fraction技术已经在六个州全面铺开,最近几年发展神速。
污染:
一半废水进入地下水;地上浓缩的废水敞口蒸发;大量天然气和其他有毒气体直接泄进大气。
自来水泛黄、发黑、冒泡
地下水能点着火。溪流冒泡,插个管子能当炉子使
动物掉毛,鸟类、兔子、鱼类死亡
附近住户哮喘、癌变、周身疼痛、神经症状诸如丧失嗅觉和部分味觉,身体不能移动
官方态度:1. 水质测量没发现问题。2. 能源危机背景下,要有所取舍,顾全大局,退一步进两步。
审查:cheney在任上给这项技术立法大开绿灯,使其对任何环保法案免疫,同时不需要公开使用的化学成分。EPA更是连审查都管不着。直到2... 阅读全帖 |
|
P*********0 发帖数: 4321 | 30 By NPR
Congressional scholars Thomas Mann and Norman Ornstein are no strangers to D
.C. politics. The two of them have been in Washington for more than 40 years.
They came together in 2006 to write a book about dysfunction in Congress,
called The Broken Branch. But their assessment of Congress today is even
more dire — so dire, they've called their new book It's Even Worse Than It
Looks.
Mann, a senior fellow of the Brookings Institution, and Ornstein, a resident
scholar at the American Enterpri... 阅读全帖 |
|
l****z 发帖数: 29846 | 31 Multiculturalism, far from creating harmony between cultures, creates
unnecessary tensions within nations. Most men have an allegiance to some
group beyond their family-- a tribe, region, nation, ethnic, race,
linguistic, or religious group.
The multicultural state removes national identity as a basis of commonality
because there is no cohesive view of what that means. If any language,
religion, or law are accepted, what defines the nation?
Canada had trouble enough with two competing nations, a... 阅读全帖 |
|
l****z 发帖数: 29846 | 32 【 以下文字转载自 GunsAndGears 讨论区 】
发信人: jackyu (hello jackey), 信区: GunsAndGears
标 题: 学生在学校被抢劫犯捅伤
发信站: BBS 未名空间站 (Tue May 14 15:50:51 2013, 美东)
周六晚上9点多在我们实验楼前面的停车场,一位同学在正要回车上的路途中被一个黑
人持刀抢劫并被砍伤。 这是在学校里面啊。⊙﹏⊙b汗。
这是我们楼的manager刚刚发过来的:
I wanted to make you aware that one of our graduate students was assaulted
and robbed in the North lot of SEB Friday night around 9:45PM which sent him
to the hospital. I spoke to him this morning and he is doing well,
although he has surgery ahead of him to repair fracture... 阅读全帖 |
|
l****z 发帖数: 29846 | 33 EPA: Fracking not causing major harm to drinking water
By Timothy Cama - 06/04/15 12:07 PM EDT
Hydraulic fracturing has not caused any major harm to drinking water
supplies, the Environmental Protection Agency concluded Thursday.
In what the EPA is calling the most comprehensive examination of existing
data and science on the impact the controversial oil and natural gas
drilling technique has on drinking water, it largely debunked concerns about
extensive contamination of well water or other sou... 阅读全帖 |
|
u****n 发帖数: 7521 | 34 【 以下文字转载自 Military 讨论区 】
发信人: ubcumn (ubcumn), 信区: Military
标 题: 看到你的祖国死去很痛苦,只有止不住的叹息和哭泣zz
发信站: BBS 未名空间站 (Thu Jan 13 14:16:38 2011, 美东)
http://www.thetrumpet.com/index.php?q=7835.6441.0.0
It’s Hard to Watch Your Country Die -One can’t help but sigh and cry.
看到你的祖国死去很痛苦,只有止不住的叹息和哭泣。
America suffers with several ills from which it will not recover. This
reality is becoming inescapably plain.
美国正在遭受病痛的折磨,这个病好不了了。这是一个不可避免的(inescapable)而
且很简单的( plain)事实。
原文链接+全文
========================
It’s Hard t... 阅读全帖 |
|
K******S 发帖数: 10109 | 35 Ford is recalling more than 128,000 Ford Fusion and Mercury Milan sedans
from the 2010 and 2011 model years because, apparently, the wheels can fall
off the cars.
Federal regulators say that bolts holding the wheels on can fracture,
causing a vibration. If the vibration is ignored, the wheels can separate
from the car.
“The problems may be caused by steel wheel mounting pads or rear brake
discs that have been incorrectly built and cannot properly support the wheel
,” Ford said.
Ford says they wi... 阅读全帖 |
|
c******n 发帖数: 5697 | 36 http://www.ocregister.com/articles/crash-353535-least-hospitali
Jay Theye · College of Oceaneering
I work with the driver of the BMW. He has fractured ribs and a fractured
pelvis. He just bought that car last Friday; he normally rides a motorcycle.
Reply · 1 · Like · Follow Post · May 11 at 4:47pm |
|
g********d 发帖数: 19244 | 37 ☆─────────────────────────────────────☆
felixcat (felixcat) 于 (Thu Mar 7 17:01:19 2013, 美东) 提到:
发现有一些人存在误解:认为碰撞测试成绩能代表有没有用高强度/超高强度/极高强度
钢材来造车身,有没有“不计成本”来给好货给消费者。从而一旦发现碰撞测试看上去
不好,就觉得车厂没有用好钢材省成本。
事实上并非这样,我下面列举一些具体的车型的车体结构,大家就能发现一些碰撞测试
成绩很好的车子,事实上并没有用很高强度的材料;而一些碰撞测试让人觉得成绩一般
的车子,事实上却是用了很不错的钢材。造成这种直觉上“对不上号”的原因在于,碰
撞测试成绩不完全取决于钢材硬度,它还跟车体形状、能量传递的设计意图有关。
首先看Audi A4。在small overlap碰撞测试成绩出来之后,这车子的结构强度在公众心
目中马上从天堂掉到了地狱。A柱拦腰截断,这不像话。
但是实际上A4车身框架用料极其足,车身结构有65%是强度超过300 MPa的高强度钢制造
;在这里面又有占全车身18%的材料是强度在500到1... 阅读全帖 |
|
t******k 发帖数: 5617 | 38 http://wot.motortrend.com/1310_3161_chevrolet_cruze_sedans_reca
chevy咋也学丰田断轴呢。。。
General Motors is recalling certain 2013-2014 Chevrolet Cruze sedans for a
potential issue with one of the front axles. The Problem: Certain 2013-2014
Chevrolet Cruze sedans with the six-speed manual transmission are being
recalled because the right front axle may fracture and separate, causing the
vehicle to slowly lose power and come to a stop. Additionally, a parked
vehicle with a fractured half shaft could move ... 阅读全帖 |
|
m******6 发帖数: 210 | 39
恭喜你. 说对了. 你太有才了.
From iihs.org side crash test.
Corolla 2014 (not valid for early year model)
Driver — Measures taken from the dummy indicate a low risk of any
significant injuries in a crash of this severity.
Audi A4:
Driver — Measures taken from the dummy indicate that rib fractures would be
possible in a crash of this severity.
BMW 3:
Driver — Measures taken from the dummy indicate that rib fractures would be
possible in a crash of this severity. |
|
r********o 发帖数: 1423 | 40 If it contributes to the energy absorption, then yes, it does help.
Like composite cars made for racing, instead of using metal frames that
deform(buckling) to absorb the impact energy, composite frame is made to
fracture to absorb the impact energy. That's why you can see the race cars
can be completely destroyed when it hits the race fence, but the driver
inside can still survive.
Bricks, if attached out side of the car frame, and fracture during the
impact, will function as a buffering zone t... 阅读全帖 |
|
W***n 发帖数: 11530 | 41 AP November 23, 2016, 6:36 AM
Man blames “corporate manslaughter” in wife’s airbag death
KUALA LUMPUR, Malaysia -- Nida Fatin Mat Asis was slumped lifeless in her
car seat, bleeding profusely from her nose and mouth, after her Honda hit a
lamppost and skidded into a ditch. Her husband was slightly injured, and
their baby wasn’t hurt at all.
Her husband, like Nida a government doctor, had no idea what had happened
until the post-mortem came in: A broken metal canister, later identified as
part of... 阅读全帖 |
|
W***n 发帖数: 11530 | 42 I volunteer for a local EMS/Fire department, and we responded to a call for
a 1050 major on Highway 87 in Caplen, TX on 07/04/2004 at 1:30am. When I
arrived on scene in my personal vehicle I found a lady in her early 20's
sitting in the front passenger seat of this Toyota Corolla.
Her Husband was DOS I checked several times. She on the other hand was still
breathing,unconcious, and bleading from her forehead, nose, mouth, left
ankle, and Right wrist. The lady was rideing with her left leg crosse... 阅读全帖 |
|
发帖数: 1 | 43
Download pdf published by SfN (Chapter from 'The History of Neuroscience in
Autobiography, Volume 8' edited by Larry R. Squire)
Yuh-Nung Jan's CV
Lily Jan's CV
Yuh-Nung Jan and Lily Jan
Birth
Family History and Growing Up
National Taiwan University
The Hiking Trip to Shitou in the Spring of 1967
Graduate School Application
Graduate Study at Caltech (1968锟974)
Seymour Benzer Lab (1974锟977)
Steve Kuffler锟絪 Lab at H... 阅读全帖 |
|
j***a 发帖数: 832 | 44 Mayb be Orthopedic? you can find one and call to confirm if they are the
right choice for that kind of problem.
perhaps need x-ray to see if there is any fracture? If it is micro fracture
, it can recover by itself, 3 months for a 80 year old. But it is very
painful. |
|
i*******k 发帖数: 578 | 45 【 以下文字转载自 ME 讨论区 】
发信人: iamveryok (晚了), 信区: ME
标 题: 贡献一次FEA职位技术面试题目
发信站: BBS 未名空间站 (Thu Jan 5 20:46:28 2012, 美东)
经常在版上看经验,受益良多,我也分享一次我面试遇到的题目,希望对一些人有用。
一个大公司的FEA职位,不方便公开具体是哪家公司。问的问题大概有:
1. 一根棍子,其中一端固定,拉伸另一端到一个strain value, fix住,然后升高温度
,再保持在这个温度一段时间。要求画出stress-time图。
2. 一根horizontal方向上的棍子,两端pin住,施加uniform vertical pressure,要
求画出momentum-position图。
3. 画出一个elastic-plastic material loading-unloading的stress-strain图
4. creep的3 regions,第二个region常用的equation。什么情况下考虑creep。
5. 描述stress relaxation
6. visc... 阅读全帖 |
|
l******d 发帖数: 278 | 46 打球时跳起,落下,右脚单脚落地,落地时脚右边先着地,听见一声轻微的响声(骨头
响?不确定)。现在肿已经好了很多,如果手指按压,右脚中间靠右边的地方疼。脚踝
确定没有问题。
去照了个X-ray,报告这样说:
Three views of the right foot show minimally displaced transverse fracture
through the base of the small toe metacarpus, consistent with avulsion
injury. Fracture line extends to the joint surface apposing the cuboid bone.
There is overlying soft tissue swelling.
No other focal soft tissue swelling, osseous or alignment defect is
demonstrated.
今天去看了一个看资料介绍比较牛的医生,他说我上次照的盘打不开,又给照了一次X-
ray,说没看见什么f |
|
t*******n 发帖数: 4445 | 47 It could still be a metatarsal fracture (metacarpus is on the hand):
* Pain from such hairline fractures may go away in a few hours
* Sometimes the ankle has to be examined to find the exact cause
* Certain types may not show up on x-rays all the time.
bone. |
|
D*******y 发帖数: 189 | 48 The tooth is fractured. You can see it, and your dentist can see it as well.
Why x-ray?
X-rays can see holes, but cannot see fracture well. You should thank your
dentist for saving you money and radiation.
Extraction is the correct treatment. But it is your tooth. So if you do not
want to extract the tooth, no dentist will force you to do it.
Disclosure: I am a dentist |
|
D*******y 发帖数: 189 | 49 Your dentist would love to save that tooth if at all possible. He can easily
make $2500 by doing a root canal and a crown. He can probably make only $
200 by doing the extraction. If the tooth was fractured and the fractured
piece did not fell out of your mouth, it usually means that it is split to
the roots. Again, it is still your tooth. If you do not want to take it out,
do not do it. |
|
z**n 发帖数: 22303 | 50 Dairy milk is singled out as the biggest dietary cause of osteoporosis
because more than any other food it depletes the finite reserve of bone-
making cells in the body.
So although milk makes bones stronger in the short term, in the long term it
erodes bone-making cells, increasing the risk of osteoporosis. This
explains a paradox: black people are known to be less tolerant to lactose in
milk, and consequently they drink less milk, yet they get much less
osteoporosis than white people. This new... 阅读全帖 |
|