h*******4
发帖数: 527 | 1 就应该叫evaporator flask吧
然后再用图片中的那个夹子夹住 |
|
|
t******t
发帖数: 3045 | 3 取决于你要多大的
check Fisherbrand* Metal-Cased Cylindrical Dewar Flasks |
|
b**********r
发帖数: 91 | 4 chemglass也有类似的，solid addition flask, 纯玻璃，更便宜，学校的玻璃工就可
以做 |
|
h*****r
发帖数: 81 | 5 The Water Quality Research and Development Center at the Southern Nevada
Water Authority (SNWA; www.snwa.com) is actively recruiting applicants for a
paid graduate internship in Henderson, Nevada. The Graduate Intern would
work at the SNWA R&D lab while enrolled in a graduate level academic program
. The duration of this internship is tentatively for 12 months with a
possible extension up to 18 months.
PRIMARY RESPONSIBILITIES The Intern will provide field assistance and
support for current proj... 阅读全帖 |
|
p******s
发帖数: 137 | 6 凡士林油抹均匀了怎么会融化进反应？
teflon的塞子至少液体不会漏，不晓得气体如何。
。
不 |
|
b**s
发帖数: 589 | 7 买个不绣钢的反应器吧，玻璃的永远存在这个问题
。
不 |
|
a*******y
发帖数: 1 | 8 偶记得是用一种真空脂,效果要比凡士林好,特别是在加热的条件下. |
|
b**s
发帖数: 589 | 9 摩擦生热怎么办，而且还有大气压的作用
融化进入反应是肯定的事
持。
是不 |
|
w********h
发帖数: 12367 | 10 yes, this kind of material really can get though high temperature..
持。
是不 |
|
c****n
发帖数: 134 | 11 in the case of xu wenlong, of course politics is playing the role.
our government's strategy is to let them make some easy money...
my point is: the basic thing is science. science and engineering are actually
relying on each other...(to prepare ABS in a round bottom flask by emulsion
polymerization, a scientist may want to increase the solid content in the
first place...)
把
么
些
搞 |
|
a**e
发帖数: 168 | 12 想些 在两个rubber sealed 的 flasks 之间转移溶液用的那种 两端尖的 steel
tubing， 用于做无水反应。
不知道英语怎么说。
steel cannula?
到哪买比较好， VWR 给了无数的商家 |
|
b*****y
发帖数: 40 | 13 First very sorry about what happened. Hope nothing happened with the safety
of yourself.
The b.p. of EO is only ~ 10 deg C, it is extremely flammable, and it is an
carcenogen, so give it with your highest care possible. That means, no
nights, no weekends, always have labmates nearby, among many other things.
Out of the three reasons, #1 is highly possible. Definitely dilute with much
much more THF. I typically have 40 grams of EO with ~ 800 mL of THF, but at
40 deg C. If you have done a good job... 阅读全帖 |
|
b*****y
发帖数: 40 | 14 First very sorry about what happened. Hope nothing happened with the safety
of yourself.
The b.p. of EO is only ~ 10 deg C, it is extremely flammable, and it is an
carcenogen, so give it with your highest care possible. That means, no
nights, no weekends, always have labmates nearby, among many other things.
Out of the three reasons, #1 is highly possible. Definitely dilute with much
much more THF. I typically have 40 grams of EO with ~ 800 mL of THF, but at
40 deg C. If you have done a good job... 阅读全帖 |
|
d********y
发帖数: 616 | 15 Heart & Blood Vessels
Flask-shaped / Pear-shaped / Leathe- bottle / Money-bag shaped heart -
Pericardial effusion
Boot-shaped heart / Coer-en-sabot - Fallot's tetralogy
Box shaped appearance - Tricuspid atresia
Jug Handle appearance - Primary pulmonary artery hypertension
"3" like appearance - Coarctation of Aorta
Egg on side appearance - Transposition of great vessels
Egg in cup appearance - Constrictive pericarditis
Snow-man heart - TAPVC (total anomalous pulmon... 阅读全帖 |
|
e****0
发帖数: 678 | 16 • leukemia
ALL AML CLL
child adult elderly
BM lymphoblasts 25%myeloblasts
lab Lymphocyte 5000, mature-appearing cells
• Osgood-schlatters disease
Adolescent male athletes
Traction apophysitis—quadriceps tendon put the traction on the
apophysis of the tibial tubercle where patellar tendon inserts.
A firm mass =heterotopic bone formation
Pain can be reproduced by extending the kne... 阅读全帖 |
|
b*******g
发帖数: 1309 | 17 合成QD 要啥条件。。。。。温度计，flask，搅拌器。。。 |
|
f*********j
发帖数: 1955 | 18 用实验室的清洁粉刷了flask，结果怎么也冲不干净，碱泡了，酸泡了，还是不管用啊
。。。咋办啊。。里边的surfactant冲不干净总是影响反应产物。。郁闷啊。。 |
|
O*******o
发帖数: 7091 | 19 yes, why not try using a new flask? try organic solvents also |
|
L******g
发帖数: 1371 | 20 请发简历到 [email protected]
/* */
我朋友Sandy 提供Tudor 内推位置，
This individual will serve as a core member of the firm’s Analytics
Platform development
team responsible for building out a suite of applications related to
analyzing economic
data to developing trading signals. This role will partner with various
front office teams
and Quantitative Analytics to implement solutions in a collaborative and
fast-paced
environment.
• Minimum 2 years of experience solving applied math problems (e.g.,
p... 阅读全帖 |
|
w********m
发帖数: 1137 | 21 来自主题: DataSciences版 - 求职求内推 祝楼主早日找到. 搭车同求 --
统计master, 学的都是传统统计.
现在主要用python处理脏乱差数据, 有时候配合用点sas. python用过一些的框架是
pandas和flask. Django完全不会. leetcode用过python刷过一遍, 难题不会做.
SAS熟, R比较差. Java简单的看的懂, 完全不会写.
Hadoop用一点, 只想用脚本和python, 不喜欢hive和pig. 很喜欢spark, 但没机会用.
靠统计的挂名文章拿的EB1绿卡, 可以relocate.
大牛如能指点或者站内信, 不胜感激. |
|
|
|
g**********l
发帖数: 214 | 24 hm~~, flask 没用过，Google 了一下，好像折腾一点，能用。
但想问一下这个跟ipython notebook 比有啥优势吗？
谢谢 |
|
g**********l
发帖数: 214 | 25 what is flask disc??
like usb drive? then you need to bring your own computer?
i guess you do need to bring your computer, because if the interview room
usually do not provide a computer. |
|
f********r
发帖数: 304 | 26 很多人两周就开始到处做presentation了。他们培训那些东西太basic了，而且千篇一
律的spark，kafka，cassandra再加点前端像flask。 |
|
y******2
发帖数: 326 | 27 keroku能用python flask做backend，github只是单页。heroku不难，会用git和python
就没问题，现在tutorial 很多。 |
|
|
r**********9
发帖数: 19633 | 29 有个其他组的白男和我们组合作，今天告诉我么他招聘的2个做ui flask的人没通过
background check。。。。。。靠，然后他只能从心找人
这个，国内就没这么严格吧，杀人犯通缉犯还能做老板当千万富翁呐。 |
|
w*******y
发帖数: 60932 | 30 LINK:
http://www.steal1.com/
1.png
Description
An ideal gift for the true overachiever in your social circle! Also an
excellent way to simultaneously impress your friends and frighten your
family. Holds a full 64 ounces - enough for an entire 1.75L handle of liquor
. Stands 12 inches tall with a width of 6-1/2 inches. While it's not likely
that you'll be able to conceal this on your way into a bar, it could
certainly come in handy for sporting event tailgates where glass bottles
aren't allowed.
... 阅读全帖 |
|
|
|
c******7
发帖数: 439 | 33 【 以下文字转载自 Stock 讨论区 】
发信人: cobalt27 (侠客熊|双手互搏), 信区: Stock
标 题: 征人合作一个python股票altert system
发信站: BBS 未名空间站 (Tue Apr 22 20:43:13 2014, 美东)
python开发
预期功能:
程序host在google app engine上面,
开市期间程序自动抓取股票价格.
嵌入判断算法, 当满足判据时候trigger alert, 会向自己的邮箱发邮件提示.
一个简单的例子是自己定制一个"指数", 有一揽子的股票算出来的.
目前还处在开发阶段, 征开发合伙人, 不征subscriber
欢迎以下条件的人加入,满足之一即可:
1. 会google app engine架构 (flask or bottle)
2. 会python, (会git尤佳)
3. 有算法框架的, 可以根据历史数据运算出建议买入/卖出alert的.
4. 会python下的数据库来发
注意,
本项目不适合高频交易, 可以忍受data延迟
适用于日间交易级别或更低频率
本项目试图做成开源项目,但如果... 阅读全帖 |
|
