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w*****o
发帖数: 1806
1
来自主题: GunsAndGears版 - VA: 拥枪法案全面胜利!
NRA来信:
Virginia: 2013 Legislative Session Wrap-Up
The 2013 legislative session of the Virginia General Assembly adjourned on
February 23 with the passage of numerous pro-gun reforms and the defeat of
all anti-gun bills. Stay tuned for more details as passed legislation goes
before Governor Bob McDonnell (R) for his signature. Thank you to all NRA
members who stood up for freedom and contacted their state legislators
during this session. Below is a listing of Second Amendment victories for
2013.
... 阅读全帖
t******i
发帖数: 483
2
刚到湾区不久,想去打靶玩玩。之前从来没去过靶场,查了一下似乎需要上课。但课程
种类繁多。就在这里请教各位,第一次去打靶需要参加什么课程?考什么执照?有了执
照以后就可以去不同的靶场打靶么?还是每个靶场需要自己的执照?
我查到一个靶场列出如下的课程,不知道应该选哪个。
小的先谢谢各位了。
PS:我们不是公民和永久居民,是F1和H1B签证持有者。
Novice Shooter’s Package (NSP)
Time: Monday Thru Friday, 2 pm or 7 pm
Saturday: 11 am or 5 pm
Sunday: 11 am only
Length of class: 25 minutes classroom + 50 minutes range time.
Cost of class: $50.00 per person (Rental Policy Applies)
This course is designed for first time shooters only. A rental handgun of .
22LR caliber,
50 r... 阅读全帖
a***x
发帖数: 26368
3
这是430 ILCS 65,也就是IL FOID Act上的规定。当然你也可以argue人没说没foid就不
能买。
(430 ILCS 65/3a) (from Ch. 38, par. 83-3a)
Sec. 3a. (a) Any resident of Illinois who has obtained a firearm owner's
identification card pursuant to this Act and who is not otherwise prohibite
d from obtaining, possessing or using a firearm may purchase or obtain a rif
le or shotgun or ammunition for a rifle or shotgun in Iowa, Missouri, Indian
a, Wisconsin or Kentucky.
n*********e
发帖数: 25274
4
来自主题: Tennis版 - 网球运动,就是运动量少了点
羽毛球打5个小时,早瘫痪了...
WSN/WSNV 网球7个小时也能打下去...
The present study investigated the heart rate response to playing tennis
with special reference to the skill levels and ages of the participants.
Data obtained in a similar manner during earlier studies of badminton and
squash players were compared with that obtained during tennis. The number of
rallies, mean rally time and actual playing time in 30 minutes of play was
also compared for the different skill levels and sports. Results showed that
playing te... 阅读全帖
w*******d
发帖数: 3714
5
New Visa Requirements
Cruiseship passengers traveling to The Bahamas
This Information Note is to advise of the recent change in policy with
respect to cruise ship passengers traveling to The Bahamas. The Government
of The Bahamas wishes to inform that with immediate effect, persons from
those countries whose nationals would normally require visas to travel to
The Bahamas, are now required to obtain a visa if they plan to travel and
depart from The Bahamas via cruise ship.
Please note that the po... 阅读全帖
r*****y
发帖数: 210
6
来自主题: Travel版 - 加勒比游轮签证问题
我们想带父母(B2 visa)去坐加勒比游轮,从Miami走,中间停巴哈马,但是不知道他们
到底要不要巴哈马签证。他们的回美签证还没过期所以每问题,就怕要查巴哈马签证不
让登船。
查了FAQ,说不用签证,但是巴哈马使馆11年出了个通知说需要。现在就晕了,有人有
类似经历的给俺说说么?多谢了!
巴哈马使馆通知:
Cruiseship passengers traveling to The Bahamas
This Information Note is to advise of the recent change in policy with
respect to cruise ship passengers traveling to The Bahamas. The Government
of The Bahamas wishes to inform that with immediate effect, persons from
those countries whose nationals would normally require visas to travel to
The ... 阅读全帖
c*******m
发帖数: 522
7
来自主题: Travel版 - 关于巴哈马签证
Cruiseship passengers traveling to The Bahamas
This Information Note is to advise of the recent change in policy with
respect to cruise ship passengers traveling to The Bahamas. The Government
of The Bahamas wishes to inform that with immediate effect, persons from
those countries whose nationals would normally require visas to travel to
The Bahamas, are now required to obtain a visa if they plan to travel and
depart from The Bahamas via cruise ship.
Please note that the policy with respect to t... 阅读全帖
l******2
发帖数: 2994
8
来自主题: WaterWorld版 - ZT: Don't Become a Scientist!
Don't Become a Scientist!
Jonathan I. Katz
Professor of Physics
Washington University, St. Louis, Mo.
[my last name]@wuphys.wustl.edu
Are you thinking of becoming a scientist? Do you want to uncover the
mysteries of nature, perform experiments or carry out calculations to learn
how the world works? Forget it!
Science is fun and exciting. The thrill of discovery is unique. If you are
smart, ambitious and hard working you should major in science as an
undergraduate. But that is as far as you shoul... 阅读全帖
l**********r
发帖数: 4612
9
【 以下文字转载自 Military 讨论区 】
发信人: ShowMeMoney (ShowMeMoney), 信区: Military
标 题: 米国的wsn们注意了,一个撸管的码工被米国警察抓了
发信站: BBS 未名空间站 (Fri Jul 20 03:42:32 2012, 美东)
http://photos.mercurynews.com/2012/07/19/silicon-valley-largest
Silicon Valley: Officials arrest 15 in major child porn sweep
By Mark Gomez
mercurynews.com
Posted: 07/19/2012
In what San Jose police said is the largest locally led child porn sweep
ever in Northern California, detectives served search warrants Thursday
morning at 20 homes in Silicon... 阅读全帖
C**********r
发帖数: 8189
10
Consider quadratic Diophantine equations of the form:
x^2 – D×y^2 = 1
For example, when D=13, the minimal solution in x is 649^2 – 13×180^2 = 1.
It can be assumed that there are no solutions in positive integers when D is
square.
By finding minimal solutions in x for D = {2, 3, 5, 6, 7}, we obtain the
following:
3^2 – 2×2^2 = 1
2^2 – 3×1^2 = 1
9^2 – 5×4^2 = 1
5^2 – 6×2^2 = 1
8^2 – 7×3^2 = 1
Hence, by considering minimal solutions in x for D < 8, the largest x is
obtained when D=5.
Find the value... 阅读全帖
H********g
发帖数: 43926
11
来自主题: Joke版 - Don't Become a Scientist! (转载)
【 以下文字转载自 Military 讨论区 】
发信人: YangCN (老杨), 信区: Military
标 题: Don't Become a Scientist!
发信站: BBS 未名空间站 (Thu Sep 18 14:24:53 2014, 美东)
写的相当诚恳,应该广泛贴到国内的留学论坛上去。
http://physics.wustl.edu/katz/scientist.html
Jonathan I. Katz
Professor of Physics
Washington University, St. Louis, Mo.
[my last name]@wuphys.wustl.edu
Are you thinking of becoming a scientist? Do you want to uncover the
mysteries of nature, perform experiments or carry out calculations to learn
how the world works? Forget it!
Science is f... 阅读全帖
H********g
发帖数: 43926
12
惨,已经被patent了
Patent Acquisition and Assertion by a (Non-Inventor) First Party Against a
Second Party
US 20080270152 A1
ABSTRACT
Methods for a first party to acquire and assert a patent property against a
second party are disclosed. The methods include obtaining an equity interest
in the patent property. The methods further include writing a claim within
the scope of the patent property. The claim is written to cover a product of
the second party where the product includes a secret aspect. The me... 阅读全帖
H********g
发帖数: 43926
13
刚才看google play store那个帖子,在youtube评论里看到的:
Patent Acquisition and Assertion by a (Non-Inventor) First Party Against a
Second Party
US 20080270152 A1
ABSTRACT
Methods for a first party to acquire and assert a patent property against a
second party are disclosed. The methods include obtaining an equity interest
in the patent property. The methods further include writing a claim within
the scope of the patent property. The claim is written to cover a product of
the second party where the product incl... 阅读全帖
c***x
发帖数: 1826
14
来自主题: Midlife版 - 七十年前的知己

灌水还会去写个模型的人,敢问世间有几何?
倘若你写个物理学模型,我估计无法辩驳。不过既然谈到投资学,那我再来将你一军。
“巴神是唯一一个从少年进入投资界保持到88岁高龄的挣钱投资记录的,驾驭了
randomness的神”。如果挣钱是指收益大于投资,那么这个本身不是什么奇迹。附件是
个 Facts: How an investment of $1 at the start of 1900 would have grown by
the end of 2008, assuming reinvestment of all dividend and interest payments
. 所以如果有足够耐心持续投资108年,赶上这个阶段的美国,任何一个人都挣钱了。
巴神之所以被认为是神,不是因为长期挣钱,而是因为挣了风险最小的收益率最高的钱
。以那个108年里挣钱最多的股市为例,其年化平均收益率是11.1%,收益的标准差是20
.2%。巴神的17%和10%与股市相比,return更高,risk更小,所以确实有过人之处,因
为有效市场假说下,no one can beat the market... 阅读全帖
s***u
发帖数: 1911
15
来自主题: Belief版 - 一条先知得天启的新闻
http://www.cnn.com/2010/CRIME/11/08/utah.smart.trial/index.html?hpt=T2
Salt Lake City, Utah (CNN) -- Shortly after he was arrested in March 2003
and charged with kidnapping Elizabeth Smart in the dark of night, self-
styled prophet Brian David Mitchell wrote that God intended for her to be at
his side as he battled the Antichrist and restored the true Mormon faith to
its rightful place.
"Yea, Immanuel is accused of coming as a thief in the night and so I will
come as a thief in the night," Mitch... 阅读全帖
n********n
发帖数: 8336
16
来自主题: Belief版 - Bhagavad Gita
http://www.bhagavad-gita.us/summary-of-the-bhagavad-gita/
The Bhagavad-gita opens with blind King Dhritarashtra requesting his
secretary, Sanjaya, to narrate the battle between his sons, the Kauravas,
and their cousins, the Pandavas. Lord Krishna, the Supreme Personality of
Godhead, out of affection for His devotee, the Pandava prince Arjuna, has
agreed to drive his chariot. As Arjuna takes up his bow and prepares to
fight, he sees the sons of Dhritarashtra drawn in military array and
requests i... 阅读全帖
C****i
发帖数: 1776
17
CHAPTER V
Of Providence
I. God the great Creator of all things doth uphold,[97] direct, dispose, and
govern all creatures, actions, and things,[98] from the greatest even to th
e least,[99] by his most wise and holy providence,[100] according to his inf
allible foreknowledge,[101] and the free and immutable counsel of his own wi
ll,[102] to the praise of the glory of his wisdom, power, justice, goodness,
and mercy.[103]
II. Although, in relation to the foreknowledge and decree of God, the first
... 阅读全帖
l**********t
发帖数: 5754
18
来自主题: TrustInJesus版 - 【福音派版本】 罗马书1:8-17

1:17因为神的义,正在这福音上显明出来。这义是本于信以致于信。如经上所记,义人
必因信得生。
For therein is the righteousness of God revealed from faith to faith: as it
is written, The just shall live by faith.
For therein is the righteousness of God revealed from faith to faith --
"This is an explanation and a confirmation of the preceding clause — that
the gospel is the power of God unto salvation. For if we seek salvation,
that is, life with God, righteousness must be first sought, by which being
reconciled to him, we may, through him ... 阅读全帖
l**********t
发帖数: 5754
19
来自主题: TrustInJesus版 - 【基要派版本】罗马书3:21-24

21. But now the righteousness of God without the law [109] is manifested,
being witnessed by the law and the prophets;
"
21. But now without the law, etc. It is not certain for what distinct reason
he calls that the righteousness of God, which we obtain by faith; whether
it be, because it can alone stand before God, or because the Lord in his
mercy confers it on us. As both interpretations are suitable, we contend for
neither. This righteousness then, which God communicates to man, and
accepts ... 阅读全帖
C*******r
发帖数: 10345
20
来自主题: TrustInJesus版 - Is God a Taoist?
这是数学家,逻辑学家Smullyan对free will问题的一次尝试。Smullyan本人认为他自
己是道家哲学者。
Mortal:
And therefore, O God, I pray thee, if thou hast one ounce of mercy for
this thy suffering creature, absolve me of having to have free will!
God:
You reject the greatest gift I have given thee?
Mortal:
How can you call that which was forced on me a gift? I have free will,
but not of my own choice. I have never freely chosen to have free will. I
have to have free will, whether I like it or not!
God:
Why would you wish ... 阅读全帖
O**n
发帖数: 649
21
来自主题: THU版 - 清华夜话之纽约醉酒篇
Sensitive Military Encryption Technology to China – On Sept. 13, 2010, Chi
Tong Kuok, a
resident of Macau, China, was sentenced in the Southern District of
California to serve 96 months
in prison for his efforts to obtain sensitive defense technology used in
encrypted U.S. military or
government communications and to cause them to be illegally exported to
Macau and Hong
Kong. On May 11, 2010, Kuok was convicted at trial of conspiracy to export
defense articles
without a license and to smuggle go... 阅读全帖
y***m
发帖数: 7027
22
hiberate的管理在lazy模式等下弄起来挺麻烦,自己管理倒是很方便,但可能存在连接
没有释放的隐患。。。。
import java.io.Serializable;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.springframework.stereotype.Component;
//@Component("hibernateSessionUtil")
public class HibernateSessionUtil implements Serializable {
//Create a thread local variable tLocalsess, for operating session
public static final ThreadLocal tLocalsess = new Thr... 阅读全帖
l**d
发帖数: 472
23
来自主题: Biology版 - The future of the PHD
又不是现在才这样,只不过Nature出了专刊而已。单独的文章在Science,Nature上一
直都有。99年就有教授写了不要做科研的文章。那片文章很多人都读过吧?再贴一次to
freshen memory
http://wuphys.wustl.edu/~katz/scientist.html
Don't Become a Scientist!
Jonathan I. Katz
Professor of Physics
Washington University, St. Louis, Mo.
[my last name]@wuphys.wustl.edu
Are you thinking of becoming a scientist? Do you want to uncover the
mysteries of nature, perform experiments or carry out calculations to learn
how the world works? Forget it!
Science is fun and exciting. The thrill ... 阅读全帖
O******e
发帖数: 4845
24
Press Release
2012-10-08
The Nobel Assembly at Karolinska Institutet has today decided to award
The Nobel Prize in Physiology or Medicine 2012
jointly to
John B. Gurdon and Shinya Yamanaka
for the discovery that mature cells can be reprogrammed
to become pluripotent
Summary
The Nobel Prize recognizes two scientists who discovered that mature, specia
lised cells can be reprogrammed to become immature cells capable of developi
ng into all tissues of the body. Their findings have revolutionised our... 阅读全帖
A******y
发帖数: 2041
25
来自主题: Biology版 - 海归中科院?
I don't know what you are talking about. If he cannot obtain an R01 in the
states, why do you think he can be even more successful in China? Many
research assistant professor and scientist have successfully obtained
multiple R01s and obtained tenure. The pressure in mainland is not less
than in the US if you want to do equally good science.
a*****a
发帖数: 1038
26
来自主题: Environmental版 - 问下entry level的salary

IN NYC, it's okay without a vehicle
haha,, to own an apartment especially in Shanghai, Beijing, or Guangzhou is
very difficult to afford..
~~~~~~~~~~~~~~~~~~~~~~I do not think so. To obtain a visa to China is much
easier than to obtain a visa to the States. The difficulty for obtaining
the citizenship is to visit the local police department once per 6 months if
you decides to stay in China more than half a year. Otherwise, just pay
RMB 250 as a penalty fee.
I really don't think China will gi
g*******g
发帖数: 1164
27
来自主题: Environmental版 - Don't Become a Scientist! (转载)
【 以下文字转载自 Military 讨论区 】
发信人: YangCN (老杨), 信区: Military
标 题: Don't Become a Scientist!
发信站: BBS 未名空间站 (Thu Sep 18 14:24:53 2014, 美东)
写的相当诚恳,应该广泛贴到国内的留学论坛上去。
http://physics.wustl.edu/katz/scientist.html
Jonathan I. Katz
Professor of Physics
Washington University, St. Louis, Mo.
[my last name]@wuphys.wustl.edu
Are you thinking of becoming a scientist? Do you want to uncover the
mysteries of nature, perform experiments or carry out calculations to learn
how the world works? Forget it!
Science is f... 阅读全帖
c**i
发帖数: 6973
28
(1) Well, you should consult a DIVORCE lawyer in the state where you , as
well as you children if any, reside. Priot to that, you should obtain a copy
of all certified* court papers in the Nevada case--so that your lawyer can
read it. Whether you or a friend of yours should make the request may not
matter.
* The word "certified" means that the clerk office will on the first page
(i) stamp it with something to the effect that this is a true copy of the
original;
(ii) place a court seal on it; and... 阅读全帖
H**********6
发帖数: 994
29
1. RELEASEE understands that CONTENT COPYRIGHT OWNER asserts that, before
the Settlement Date set forth above, infringement of the copyright in the
above-titled work (hereinafter the "Work") occurred on a computer or similar
device associated with the IP Address and Timestamp listed above. CONTENT
COPYRIGHT OWNER and RELEASEE are willing to settle and resolve any claim
against RELEASEE for that alleged infringement under the terms and
conditions set forth herein, it being understood by both that... 阅读全帖
p******e
发帖数: 1151
30
来自主题: Mathematics版 - 孪生素数故事还没完
I do not understand certain people's taste:
Zhang's achievements would not be undermined in any sense by Maynard's
results: even Maynard did obtain better results using a different method.
The point is this result is several month later. Most importantly,
infinitely many pairs of primes with bounded gap is confirmed when Maynard
obtained his result, by Zhang's theorem; clearly Zhang's theorem is the
first milestone. People can say that Maynard reproved Zhang's theorem,
obtained better bounds of ... 阅读全帖
j******g
发帖数: 171
31
There are two different ways to obtain credential in clinical lab, not
anatomic lab/pathology.
1. With MD degree or its equivalent, one may enter clinical pathology or
Anatomic/Clinical pathology combined residency program. Upon graduation, one
then be eligible for American board of pathology, and is entitled to obtain
Medical license and practice lab med/clin path.
2, With PhD degree or other terminal degree in biologic sciences, one may
enter a fellowship of clinical lab science, and obtains c
C******r
发帖数: 790
32
☆─────────────────────────────────────☆
ucfu (tiger) 于 (Tue Jun 16 00:47:37 2009, 美东) 提到:
对美国的临床病理医生的分类不是太清楚,是不是有的检验医生也是属于病理医生?也
需要考Board?Clinical Chemistry属于Clinical Pathologist吗?先谢了。
☆─────────────────────────────────────☆
ANOA (溪头卧) 于 (Tue Jun 16 01:57:34 2009, 美东) 提到:
对美国的临床病理医生的分类不是太清楚,是不是有的检验医生也是属于病理医生?
是。属于CP(Clinical Pathology).
也需要考Board?
是。可申请CP only或AP/CP住院医生。但clinical chemistry 和microbiology很多由
PhD负责,不需考Board.
Clinical Chemistry属于Clinical Pathologist吗?
是。
☆─────────────────... 阅读全帖
d********y
发帖数: 616
33
有位前辈说可能会对PTAL不利。以下是相关信息源于ECFMG website.
Postgraduate Training Authorization Letter (PTAL) or “California Letter”
ERAS Document Submission At-a-Glance
If you apply to programs in California, you must submit a Postgraduate
Training Authorization Letter (PTAL) issued by the Medical Board of
California with your residency applications. The PTAL was known formerly as
the California Applicant Status Letter and may also be referred to simply as
the “California Letter.”
The Medical Board of California w... 阅读全帖
c*******m
发帖数: 25
34
来自主题: MedicalCareer版 - Dr. Coffee面试电话指导小结
我今天很有幸收到SleepyCoffee (让我叫她Dr. Coffee吧, 如果她不介意) 的电话。
我绝对是毕业很多年的啦(我比Dr. Coffee早几年医学院毕业,做了很多其他的事情,
现在又来忙着考版和申请住院医。反正是到处折腾,丰富人生阅历吧。)我很感谢Dr.
Coffee的热情帮助,而且她这样的性格的确对她的行医肯定非常有帮助。
言归正传,我也是今年在申请面试和Match。
一点个人简介:我毕业十好几年了,呵呵。。。Step 1 235+, Step 2 245+, CK CS 是
在去年和今年考的(1st attempt)。我同时申请两个专业(外加prelim),现在有十几个
IV,我去了三个IV。我的问题是我申请的专业有一些是advanced program(尤其是我很
想去的),可我的prelim IV只有三个。
我个人认为我的交流能力还是可以的,因为我的日常科研工作需要大量的交流(而且
我也工作很多年了)。我认为我IV最大的问题是进一步把我的以前的工作经验和临床更
具体的联系起来,特别是证明我的以前的经验会让我胜任住院医(尤其是PGY1 intern
)的工作。D... 阅读全帖
d******u
发帖数: 47
35
来自主题: MedicalCareer版 - step3 Archer 3题求助 谢谢!
1, Your patient is a gravida 2 para 2 female with a complaint of a vaginal
discharge, vulvar irritation, and dysuria. Her symptoms have recurred 4
times within the past year. She had a recent urinary tract infection that
was treated with ciprofloxacin, but is in otherwise good health. She is
afebrile with normal vital signs, and pelvic examination reveals vulvar and
vaginal erythema with a thick white discharge in the vaginal vault. KOH prep
reveals pseudo hyphae. Which of the following treatmen... 阅读全帖
j*******y
发帖数: 49
36
我看NABP bulletin上写的:
Post-baccalaureate degrees will not be considered
except under limited circumstances where the degree obtained
and coursework completed to obtain the degree satisfactorily
show that the candidate obtained experience in patient care
in a clinical pharmacy practice setting. Consideration of postbaccalaureate
degrees and whether they may be applicable
to determine the minimum required curriculum length will
be made on a case-by-case basis at the sole discretion of
the FPGEC.
是不是
s********n
发帖数: 162
37
来自主题: Pharmacy版 - 4年制本科药学考FPGEE资格问题
刚刚看FPGEC application bulletion对考试资格的要求是:
03年1月之后必须要5年制药学本科(临床药学的硕士除外)并且取得中国执业药师资格
证的才
能考试。
那03年之后毕业的4年制药学生唯一的路就是读pharmd了????
以下为bulletion原文:
Qualifications for FPGEC Certification Program
As a candidate for the FPGEC Certification Program, you must have graduated
from a recognized or accredited school of pharmacy of a foreign country or
jurisdiction. The FPGEC requires that if you graduated prior to January 1,
2003, you must have completed at least a four-year pharmacy curriculum at
the time of ... 阅读全帖
l***d
发帖数: 1828
38
http://www.nature.com/news/2010/101118/full/news.2010.620.html
Nobel prize committee under fire
Errors lead to accusations that committee did not do its homework before
making the 2010 award for physics.
A high-profile graphene researcher has written to the Nobel prize committee
for physics, objecting to errors in its explanation of this year's prize.
The award was given to Andre Geim and Konstantin Novoselov of Manchester
University, UK, for their work on graphene, a two-dimensional carbon
stru... 阅读全帖
m*t
发帖数: 2464
39
来自主题: Physics版 - Don't Become a Scientist! (转载)
【 以下文字转载自 Military 讨论区 】
发信人: YangCN (老杨), 信区: Military
标 题: Don't Become a Scientist!
发信站: BBS 未名空间站 (Thu Sep 18 14:24:53 2014, 美东)
写的相当诚恳,应该广泛贴到国内的留学论坛上去。
http://physics.wustl.edu/katz/scientist.html
Jonathan I. Katz
Professor of Physics
Washington University, St. Louis, Mo.
[my last name]@wuphys.wustl.edu
Are you thinking of becoming a scientist? Do you want to uncover the
mysteries of nature, perform experiments or carry out calculations to learn
how the world works? Forget it!
Science is f... 阅读全帖
m*t
发帖数: 2464
40
来自主题: Physics版 - Don't Become a Scientist! (转载)
【 以下文字转载自 Military 讨论区 】
发信人: YangCN (老杨), 信区: Military
标 题: Don't Become a Scientist!
发信站: BBS 未名空间站 (Thu Sep 18 14:24:53 2014, 美东)
写的相当诚恳,应该广泛贴到国内的留学论坛上去。
http://physics.wustl.edu/katz/scientist.html
Jonathan I. Katz
Professor of Physics
Washington University, St. Louis, Mo.
[my last name]@wuphys.wustl.edu
Are you thinking of becoming a scientist? Do you want to uncover the
mysteries of nature, perform experiments or carry out calculations to learn
how the world works? Forget it!
Science is f... 阅读全帖
w**********y
发帖数: 1691
41
多谢分享.大概做了做..欢迎补充和指正.
- sqrt(i)=?
e^{\pi/4 i} or - e^{\pi/4 i}
- You and me roll a dice,first one gets a six wins. You roll first. what
is the probability of you winning?
P(I win) = P(Y !win and I win) = 6/11
- A stair of n steps. Each time you step up 1 or 2 steps. How many
different ways are there to reach the top? what is the asymptotic limit?
Fibonacci sequence ..limF(n)/F(n-1)==x for n>2, solve x, and F(n) ~ x^{n-1}
- Moment generating function of standard model.
statistic book…
- Write a si... 阅读全帖
t*******y
发帖数: 637
42
第二题应该是6/11吧
能讲讲这个吗? - X1 and X2 are independent random variable with pdf f and g.
what is what is the pdf of X=X1+X2
Jacobian matrix for X1+X2 and X1-X2..

多谢分享.大概做了做..欢迎补充和指正.
- sqrt(i)=?
e^{\pi/4 i} or - e^{\pi/4 i}
- You and me roll a dice,first one gets a six wins. You roll first. what
is the probability of you winning?
P(I win) = P(Y !win and I win) = 5/6*1/6
- A stair of n steps. Each time you step up 1 or 2 steps. How many
different ways are there to reach the top? what is the asymptotic... 阅读全帖
n****e
发帖数: 629
43
来自主题: Quant版 - SAC要结案了
http://stream.wsj.com/story/latest-headlines/SS-2-63399/SS-2-36
SAC to Plead Guilty to Securities Fraud
Deal With Prosecutors in Insider-Trading Probe to Be Announced Soon
SAC will plead guilty to securities fraud as part of a landmark criminal
insider-trading settlement with federal prosecutors set to be announced by
next week.
By Michael Rothfeld , Jean Eaglesham
SAC Capital Advisors LP will plead guilty to securities fraud as part of
a landmark criminal insider-trading settlement with federal... 阅读全帖
g*******a
发帖数: 443
44
Graham regresses variable Y on four independent variables: X1, X2, X3 and
X4. He obtains the following output:
图片1
Graham also tries a regression of Y against X1 and obtains the following
results:
图片2
Answer the following questions:
a) Why do you think there is not a big difference between the R-Square of
the two regressions?
b) Graham plots the variable X1 against the variable X2 and obtains the
following graph. What do you think this means? How does it affect the
regression?
图片3
c) ... 阅读全帖
s**********8
发帖数: 25265
45
来自主题: MedicalDevice版 - Institutional review board
An institutional review board (IRB), also known as an independent ethics
committee (IEC) or ethical review board (ERB), is a committee that has been
formally designated to approve, monitor, and review biomedical and
behavioral research involving humans with the aim to protect the rights and
welfare of the research subjects. In the United States, the Food and Drug
Administration (FDA) and Department of Health and Human Services (
specifically Office for Human Research Protections) regulations hav... 阅读全帖
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