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全部话题 - 话题: efficience
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发帖数: 1
1
家里要换patio door, 不知道移门和推门哪个更加energy efficient?
p******8
发帖数: 551
2
how to use marriott rewards points efficiently?
Thank you!
j******u
发帖数: 41683
w*****a
发帖数: 156
4
帮老师发的,感兴趣的请直接联系老师吧。老师人非常好,对组里的人非常支持。实验
室经费充足,公司合作项目很多。如果需要身份的还可以给办H1B。
——————————————————————————————
Backed with multi-million dollar funding and multiple fortune 500 companies'
s support, we are seeking a highly motivated postdoc researcher to join in
our lab, to work on the industrial sustainability projects.
Requirements:
1. Recent Ph.D. in Mechanical/Industrial/Environmental Engineering or any
related field.
2. Past research experience on Life Cycle Assessment or Energy Flow Analysis
for in... 阅读全帖
u********e
发帖数: 4950
5
大家六月做得好吗?
六月份VIX 不高但大盘上下波动很厉害,卖期权的可能比较困难,为什么是那样?大牛
们怎么看?
市场更efficient了? Option market 卖方更多了?

发帖数: 1
6
来自主题: Stock版 - Market Efficiency理论
据WIKI:“Market efficiency refers to the degree to which stock prices and
other securities prices reflect all available, relevant information”
由此理论,不同的人得出了不同的,甚至是相反的炒股结论。问题在于市场是不是100%
有效。

发帖数: 1
7
根据Wikipedia:
The efficient-market hypothesis (EMH) is a theory in financial economics
that states that asset prices fully reflect all available information. A
direct implication is that it is impossible to "beat the market"
consistently on a risk-adjusted basis since market prices should only react
to new information or changes in discount rates (the latter may be
predictable or unpredictable).
这就是说,市场的现价试图反映其价值(但in discount rates)。 换句话说,好消息
A可使股价值,例如$100,但在好消息A没出来前,股价是打了折扣的,只值,例如$90.

这个理论... 阅读全帖

发帖数: 1
8
大家买卖股票时,是由于听到,看到了什么。由于你所听到,看到的,别的人也都知道
了,Market Efficiency理论认为,这些消息都priced-in了,你并不比别人知道的多,
凭什么你就能跑赢大盘呢?
既然如此,根据(已经)发生的事来炒股,是随机的,没有意义。你买卖股票,要根据
(未来)将要发生的事。事发前,你下注,事发后,你马上出货,这才有意义。
https://www.youtube.com/watch?v=-OQD0cthVbU
i*******w
发帖数: 405
9
去年买的房子,把地毯全换成了实木地板,7千多刀阿。正在想是不是可以Claim
energy efficient home improvement, 会不会有问题呢?
谢谢
A*******s
发帖数: 3942
10
房子本身是envelope的,builder送的所有appliances也是energy star的。能不能搞
energy efficient tax credit呢?

发帖数: 1
11
【 以下文字转载自 SanFrancisco 讨论区 】
发信人: rock101 (rock101), 信区: SanFrancisco
标 题: 请问Water efficient landscape rebate需要交联邦税吗
发信站: BBS 未名空间站 (Thu Aug 18 01:06:58 2016, 美东)
今年做了landscape, 刚收到Santa Clara Valley Water District的rebate, 请问需不
需要交税?谢谢
下面这个采访说前几年都不交税,但是今年要
http://sacramento.cbslocal.com/2016/01/27/call-kurtis-investigates-irs-wants-to-tax-rebates-sent-to-water-conserving-californians/
t******q
发帖数: 92
12
I want to sublease my apartment from now to Aug 2008. It is an efficiency
one bedroom, very close to the compus with the competitive price.
More information:
159 N Donahue Apt 29
5 mins walk to Business School.
295/month with water, internet and pest control.
The apartment has been cleaned by myself. You can move in ASAP. You can keep
my deposit. I will pay the whole December rent enven if you move in
December.
Call number: 334 524 5125
m**a
发帖数: 1228
13
请问你是从普通boiler升级到high efficiency
的吗? 大概能省多少utility?
t*m
发帖数: 4414
14
Actually, I did (3) today, since it's hard for me to believe the foreign
bond or active stock funds can beat IVV in term of tax efficiency.

are
,
even
N********n
发帖数: 13236
15
来自主题: Chicago版 - High Efficiency 洗衣机 (转载)
【 以下文字转载自 Living 讨论区 】
发信人: Nietschean (尼大叔 之 最爱汉堡包), 信区: Living
标 题: High Efficiency 洗衣机
发信站: BBS 未名空间站 (Tue Nov 6 14:12:52 2012, 美东)
大叔我土包,第一次用这种HE front load洗衣机,怎么洗一桶衣服要2小时啊?盯着转
筒看了半天,没水。。。
你们的LG都是这样的么?还是这个机子有问题?
l****7
发帖数: 11
16
I am a female professional working in Duluth. I need a three-month one-bed
room apartment or efficiency from Sept. 4th to Dec. 4th.for myself only. If
you have one to sublease or rent in Duluth/Johns Creek/Suwanee area, please
send me an email at m****[email protected] and I would like to stop by your
place during weekends. Thanks, Lin.
s********u
发帖数: 15
17
I am looking for someone who would be interested in subletting my efficiency
apartment in Shadyside area (on South Highland Ave. and very close to Fifth
Ave.). It is a very nice and spacy apartment, and as you know, Shadyside is
one the safest living areas in Pittsburgh. It is within walking distance to
two Giant Eagle stores and Whole Foods, and very close to Walnut Street in
Shadyside. There are several buses you can take to Pitt, CMU, Duquesne Univ.
and downtown (71C, 71D, 74B, 500, school sh
a******e
发帖数: 7
18
要搬去别的城市了,找人cover我的lease,赠送家具
I have one large efficiency at Amberson Apartment to lease for one year. The lease
should
begin at June 1st. The room rent is 630/month. Everything is included (gas,
water,
electricity) and the kitchen is independent. Every room has a window. It is
cool
in summer. The room is very close to CMU, UPITT and GiantEagle (within 20
min
walk). It also has a free parking place.
I have all new furnitures which are bought within a year. You can take my
furnitures such as queen
f*t
发帖数: 79
19
我韩国同事要回国了,想sublease她的apt。
The room is an efficiency room at coronado apartment in Shadyside. It's
located on the intersection of Centre Ave and S. Aiken Avenue. School
shuttle to CMU and PIT stop in front of apartment, and Giant Eagle
supermarket is 3 minute walk. It is very convenient and safe location.
The sublet starts from May 1, 2012 to May 31, 2012
The rent will $555/month. This price includes heat, water, and gas.
Electricity will be extra (average
$15/month). The place is furnished, wit... 阅读全帖
z*******n
发帖数: 497
20
Lane at 6th/1Ba 600ft2 furnished apartment
w/d in unit, street parking
Efficiency apartment approximately 600 sq feet. Available August 20th in
International district. Close to bus tunnel and King St Station and commuter
trains for your convenience. Washer Dryer included. Water, sewer garbage
and electric also included in monthly rent for first individual. On street
parking available along with secure parking on monthly terms. Exercise room,
very nice community room W/ big screen TV, and kitchen... 阅读全帖
s********c
发帖数: 44
21
最近打算搬家住1/1了, 想租离rice近一些(开车15分钟之内吧)的1/1,efficiency
,studio都
成,主要想便宜一些 如果有姐妹兄弟们有建议或者有人是房主。。。麻烦给我站短
一下,谢谢
g*******r
发帖数: 18
22
Yes, Oncor has the home energy efficiency program.
Thank you very much for your information!
l******n
发帖数: 2
23
Apartment is a large efficiency, that has one bathroom, one kitchen, living
room, dinng area and walk-in closet. you may share with your friend or rent
it by yourself. you can move in on 9-23, and rent it for one month till 10-
31. If you satisfied the apartment, you may sign contract for 1 year.
Apartment Located in vibrant Foggy Bottom and surrounded by a panorama of national treasures, Potomac Park and its sister building, The York, offer residents the advantages of a truly unique location. F
e***t
发帖数: 14386
24
来自主题: Basketball版 - Lin的efficiency只有+3
那不是efficiency...是+/-
h******2
发帖数: 1498
25
warm up on bike for ten minutes.
Do the following routine 2-3 times:
(1) un-clip one pedal, and pedal with the other leg for 40 strokes. switch
leg. repeat 4-6 times (each leg gets 4-6 x 40 strokes).
(2) clip in both pedals, easy spin for 5 minutes.
after you're done, clip in both pedals and ride with 80%-90% effort for 10
minutes, you'll feel the huge improvement in your pedaling efficiency, and
YOU WILL GO FAST!
i*********5
发帖数: 19210
26
【 以下文字转载自 Tri 讨论区 】
发信人: ironman2015 (1/2 ironman x3), 信区: Tri
标 题: Efficient cycling: Interval training with a power meter
发信站: BBS 未名空间站 (Mon Apr 29 12:12:39 2013, 美东)
这次去波士顿见了老队友David Deak,他06年开始玩三项,铁人最好成绩是10:04 (奥
地利 2009,亚利桑那 2010)。去年底他搬到波士顿后,因为工作和天气等等因素的限
制,他的自行车训练就几乎全是在trainer上完成的。而训练也只是每周三次,每次一
小时,每次训练都有明确的目的,跟FIRST计划非常神似,只不过跑步可能是按照心率
或者pace来的,而他的自行车训练则完全按照powermeter的输出功率来。
下面这篇博客是他介绍如何用power meter来进行interval训练:
http://blog.daviddeak.com/?p=1065
T*********e
发帖数: 39815
27
来自主题: Outdoors版 - Efficiency tips
不错的题目,补充一些:
efficiency对个人来说,主要是多实践,多从别人身上学习各种经验技巧. 经常要用的东
西,要放在顺手的位置,不要为了喝一口水,吃一口energy bar专门停下来卸下backpack.
另外,就是要有预见性, 比如说接下来2个小时可能需要用到什么东西,那就在上一次休
息的时候把这些东西放在尽量顺手的地方.
不同厂家的设计gears,方便程度也不同,在选择gears的时候也要考虑到效率问题.
从队伍整体的角度来说
1.每个队员都要争取不做最后一个,不要看着别人,觉得别人还没准备好,自己也不着急,
这样下去只能互相等,互相看,越来越慢.
2.用最快的速度把自己要做的事情做完,然后看看周围的人是否需要帮助,队伍的速度是
看队伍里最慢的人,不是最快的人.
3.控制行进节奏,减少不必要的休息/停留次数, 队伍越大,休息一次的时间开销越大.
z****8
发帖数: 35
28
来自主题: Outdoors版 - Efficiency tips
The is very important, especially for technical climbs.
Rope management is #1 issue. A badly tangled rope takes several minutes to
sort out.
Pro placement, anchor buildup. Efficiently placing a protection or build an
anchor cannot be over-emphasized. There was once I had to wait for 40
minutes for someone to build an anchor while having that person on belay.
That is ridiculous. Also, a badly placed stopper/hex may take several
minutes to retrieve. Always place them near the surface when you can
p**m
发帖数: 3876
29
I was looking at some LSA, cruise at about 110 knots, and it says it only
burns 3 gallons of fuel per hour. Doesn't that make it more fuel efficient
than most cars?
y***r
发帖数: 1845
30
把跑个头上的数据用XML下载下来之后,可以把interval分析一下,看running
efficiency随时间的变化,知道每天跑垃圾迈是不是有提高。
计算方法是每个interval的平均速度除以平均心率。用全程的话感觉有些粗糙,用
interval感觉稍微细一些,如果不考虑耐力因素的话。程序可以忽略第一段心率不准的
数据。
看了一下图,发现虽然每个星期的速度都不一样,有的时候慢有的时候慢,但效率一直
在上升。另外数据显示跑的太慢效率不高,太快(接近7分的时候)也不够高,而且影
响之后里程的效率。
y***r
发帖数: 1845
31
发现附件不能贴程序。那就直接放这里吧。有兴趣的可以自己改改试试。
#### COPY START ####
# Reads log.xml exported from runningahead.com and analyzes the correlation
between the heart rate and pace.
#
# How to use this script:
#
# 1. Go to runningahead website, Training Log, Tools, click "Download
training data to your computer".
# 2. Select XML and click Download button.
# 3. Open the zip file and extract the log.xml to a folder.
# 4. In PowerShell console, go to the above folder and run ".\RA-
HeartRatePaceCorrelation.ps1 > data... 阅读全帖
d******0
发帖数: 22800
32
看晕了。那个y轴数字efficiency是咋算的啊。
m*******r
发帖数: 168
33
来自主题: Dance版 - how to dance efficiently?
n the IDSF 2004 standard final, one of the commentators (Michael Barr?)
says that Edita's posture, i.e., the line, from head to neck to the body, is
normally unbroken. Therefore, she stands better and dances more efficiently.
Several months ago, my coach Tomas also commented that I should use gravity
(more) to do the work and use less legs in order to survive many rounds of
the competition.
Due to my ankle injury, I have been recuperating for a couple of months
without much practice. My right an
o***n
发帖数: 921
34
来自主题: Dance版 - how to dance efficiently?
en, really nice and interesting question! onion should send buns!
all i can do is sofaing, and waiting for others' opnions, :)

is
efficiently.
gravity
leg
x**i
发帖数: 113
35
来自主题: Dance版 - how to dance efficiently?
I belive to dance efficiently, you need to RELAX
I don't think your coach mean for you to use "Leg" less, I think he mean you
need to use your leg muscle less, you need to give your leg muscle time to
relax
lots new dancers will be all tensed up during dancing, because they want to
control their movement everywhere,their muscle is always half-tensed up,
which casuse 2 results: 1. limited movement 2. easy tiring muscle
Still take your waltz as an example, waltz need a good swing, which swings
be
i****o
发帖数: 1183
36
我挺喜欢ranch的,占地面积大,一层楼去哪都容易。
如果没有multi-zone的话,high ceiling的好像更不energy efficient 吧
t****g
发帖数: 35582
37
正巧现在到处都在讨论房子哈。隔壁转一个过来,她是我的agent。
发信人: bbppb (白白胖胖不), 信区: Boston
标 题: Re: 请帮评价这两个房子
发信站: BBS 未名空间站 (Thu Sep 13 10:03:10 2012, 美东)
继续扒:
1. Cape cod 房型在New England 很多,因为以前从England来的殖民者来到New
England,把在家乡的一种1.5层的房型搬来做了些改进。很多人讨厌cape是二楼屋顶不
平(相比于屋顶,有其他更重要的东西-- location,floor plan,etc.。
有些老的NewEngland居民很喜欢Cape,喜欢它的domer,和承接的一种小小的历史感和
NewEngland的自豪感。Cape cod house characterizes New England.以前的Cape连
Domer都没有,后来有了domer,对采光通风都好,而且Domer设计增加了房子的层次感
,有味道。
400百年的历史没有把这种房型消灭是因为:Cape的斜屋顶对减少积雪的帮助很大;同
时,这种房型是一种 Sim... 阅读全帖
n*f
发帖数: 2657
38
这东西容易装吗?容易的话得弄一个
我家空调楼下风大楼上风小,可是热的是楼上,非常不efficient
y***n
发帖数: 2318
39
【 以下文字转载自 Bimmer 俱乐部 】
发信人: yeson (快乐着并幸福着...), 信区: Bimmer
标 题: BMW i8 "boasts up to 94 mpg fuel efficiency"
发信站: BBS 未名空间站 (Tue Oct 15 00:50:01 2013, 美东)
http://www.bmwusa.com/standard/content/vehicles/2014/bmwi/bmwi.
. 0–60 mph in 4.4 seconds
. Combined max. power – 362 hp and 420 lb-ft torque
. Fully recharges in 1.5 hours from a 220-volt Level 2 charger (good for a
trip up to 22 miles)
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