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全部话题 - 话题: power
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d******0
发帖数: 22800
1
short answer: integrated amplifier= power amp + pre-amp
long answer:
"A power amp usually just takes one signal input (or two for stereo) and
amplifies it so that it can drive a speaker.
An preamp takes several
inputs, provides a mechanism to switch between them, a volume control,
some sort of tone and balance control (usually but not always), and puts
out a single signal at line level. You plug your sources into the
preamp, plug the preamp into the power amp, and the power amp into the
speakers... 阅读全帖
A*********l
发帖数: 2005
2
来自主题: HiFi版 - 新手问题power amplifier
Functionality wise, receiver = pre-amp + power amp.
pre-amp's purpose is to process the signal, and power amp is to amplify the
signal and drive the speakers.
If receiver doesn't have enough power, then just replace it with another
more powerful receiver.
If you want to connect a receiver to another receiver, you should connect
the first receiver's pre-amp output to the secnond receiver's input. I don't
think you can connect the first receiver's powered output to the second
receiver's input. The... 阅读全帖
M******0
发帖数: 29
3
【 以下文字转载自 JobMarket 讨论区 】
发信人: MERL2010 (merl), 信区: JobMarket
标 题: Internship position 2: High power electronics
关键字: High power electronics
发信站: BBS 未名空间站 (Wed Mar 2 11:25:08 2011, 美东)
MERL is seeking a highly motivated, qualified individual to join our 3 month
internship program to carry research in the area of high power device
semiconductors and electronics. The ideal candidate should have a
significant background in the simulation and modeling of high power
semiconductor devices. Profic... 阅读全帖
M******0
发帖数: 29
4
【 以下文字转载自 JobMarket 讨论区 】
发信人: MERL2010 (merl), 信区: JobMarket
标 题: Internship position 1: High power electronics
关键字: High power electronics
发信站: BBS 未名空间站 (Wed Mar 2 11:23:38 2011, 美东)
MERL is seeking a highly motivated, qualified individual to join our 3 to 6
month internship program to carry research in the area of high power
electronics and device semiconductors. The ideal candidate should have a
significant background in the simulation and design of RF power amplifier,
transmitter RF fro... 阅读全帖
g*********8
发帖数: 64
5
来自主题: JobHunting版 - How to compute power(x,y) in O(1) space
It is easy to compute power(x,y) like this (without considering overflow and
negative number)
int power(int x, int y){
if(y==0) return 1;
if(y%2==0){
int t=power(x,y/2);
return t*t;
}
else{
int t=power(x,y-1);
return t*x;
}
}
My question is how to computer power in O(1) space because it uses recursion
, the space complexity is O(logy).
My first thought is to reduce the problem by Dynamic Programming. But dp is
notoriously bad in space complexity. But we... 阅读全帖
s********e
发帖数: 243
6
来自主题: JobHunting版 - [zz]TI power management intern opportunity
Texas Instrument在Lehigh Valley的group想招几个power electronics/power
management方面的中国学生做intern. 暑期实习和长期实习的机会都有.组里实习生的
出路都很好,留在TI很容易,也有很多出去start-up开公司的。老板Dr. Xu Shuming是
中国人,在semiconductor device/power management领域是大牛,有很多专利已经转
化成了工业成果,因为很喜欢中国学生,委托我在版上发帖。
Basic qualification:
1. Semiconductor device/power management/power electronics related
educational background
2. Be willing to learn new things and think independently
有兴趣可以先给我站内信,或者直接发简历联系Dr.Xu at: s********[email protected]
M*******c
发帖数: 4371
7
先问问你小妹喜欢什么的。
在我看来,这两都是大方向了
power electronics can be divided into switch mode power supply, motor drive,
alternative energy, power device, converter/inverters...
Not everyone is promising in find a job in the US. But could be interesting
area for China
Power system can be divided into even more areas. In general, needs very
good at maths and (my two cents) boring.Job is usually stable.。
其实,我觉得,不一定要把路子想得那么窄。非要方向对口才行。
想想以后,中国更需要什么。
p*****1
发帖数: 39
8
新来到mitbbs,发现EEpower的同胞似乎不太多,想求找工作经验,身边同学毕业后都
选择读博了。
我是EE Power方向的MS刚刚毕业,工业界的经验基本没有,国内有过很短期的实习,
但是并没有实质性的项目。想找Power System Engineer,Planning和Distribution的
的职位都可以。Power electronics的相关应用设计也可以,相关知识基本都懂但是深
入的研究经验并不多。相关软件经验有PowerWorld,PLECS,MATLAB。Power Flow编程
主要用Matlab,Phyton也会一点。
求组里缺人或在相关公司的内推,或经验介绍,power的jobs的求职技巧,任何帮助都
可以,真的是谢谢大家了!!!!
网投简历目前有response的很少很少,求祝福。
c***t
发帖数: 1216
9
with possibility turning permanent
power management designer
做手机的power system,设计,测试(bench test in lab),debug,documentation
需要了解基本的电路原理,了解power management各种电路
了解power management system的各种要求
熟悉实验室各种相关instruments:power supply,multimeter,scope
有些bench是automated的,了解automated test program is a plus,这个也可以现学
经常需要焊surface mount的电路板,需要比较熟练的焊0201,0402的器件
能焊smt的芯片就更好了
s******[email protected]
H******7
发帖数: 34403
10
Home Solar Panel System from SunRun with Power Purchase Agreement $0 in
certain states
SunRun [sunrunhome.com]
Home Solar Power Purchase Agreement:
With a power purchase agreement (PPA), you agree to pay a set rate for the
electricity that your system produces. SunRun offers a residential solar
power purchase agreement to homeowners in Hawaii, Massachusetts, New Jersey,
Oregon, Pennsylvania, and most of California. This fixed rate is generally
lower than what you're paying your utility today and... 阅读全帖
z***9
发帖数: 1052
11
来自主题: Living版 - cut off power in masterbed
one power outlet in my master bedroom is not working, and I tried to replace
it. as usual I wanted to cut off the power in the master bedroom first, so
there won't be electricity when I work on it.
the central power controller is in the garage, I tried every switch, but
none of them can cut off the power in the master bedroom. there is on
switch has a tag on as "Master" which doesn't work either.
My question is, is the power in master bedroom possibly controlled by
another device?
Thanks
l******s
发帖数: 1628
12
please sent email to:l**********[email protected]
标题:【Oral B & Gillette】+mitbbs ID+ZIP
================================================
Mitbbs ID:
Zip+state:
Tel:
Product Name & Quantity:
Oral b floss action X把
Oral b Dual Clean  X把
Gillette proglide power X把
Total Price:
Paypal:
Email For Label:
================================================
ORAL-B VITALITY Floss Action Rechargeable Power Toothbrush
OR ORAL-B VITALITY Dual Clean Rechargeable Power Toothbrush
10个以上  $11each
5-9个  $10ea... 阅读全帖
h*****u
发帖数: 40
13
Job Title: Renewable Power and Motor Driver Engineer
Job Code: 1122686
Contact Mailbox: C************[email protected]
Responsibilities:
Research and development of advanced power electronics system
technology, including:
A. Renewable energy and distributed generation such as wind and PV;
B. High power motor driver for Oil & Gas and other applications.
Requirements:
"* Doctorate in power electronics system for motor driver or power
generation.
* Familiar with:
1. Motor control theory and design, includin
c*******r
发帖数: 6971
14
我开了margin账户,转进钱去,比如说10000吧,一周多了,看总目录,显示
buying power 0
for margin trade 0
for cash trade 10000
当我选择Trade Stocks/ETFs
Account total value 10000
buying power 0
我有点糊涂了,难道buying power不是 margin+cash吗?我就算没margin,buying
power不应该是10000吗?打电话问说这个10000可以用,可是buying power=0真的可以
用?
不知道说明白了没有
H*******s
发帖数: 209
15
来自主题: Pittsburgh版 - A question on power and gas service companies
Which companies are good for power and gas services at North Pitt?
For power, I have the following list
Allegheny Power
Duquesne Light
Penn Power
West Penn Power
Central Electric
Borough of Zelienople
Thanks in advance
w********w
发帖数: 1550
16
来自主题: Fitness版 - 关于power snatch求建议。
以前就知道练三大,看了版上发的 Weightlifting Performance Standards,昨天也顺
便去体育馆试了下power clean, power snatch.
power clean还比较简单,先练了下硬拉耸肩两组,翻臂两组,front squat两组, 然后
随便就做了115磅。
然后,就开始玩power snatch, 发现这个不是一般的难掌握啊,先试了直接抓起,75磅
都觉得不稳,然后举着深蹲,平衡非常难掌握,浑身发抖。
问问,power snatch, 有什么更好的分组练习方法吗?另外,有什么诀窍,该特别注意
的地方吗?
z*********n
发帖数: 94654
17
来自主题: Tennis版 - 请教:那个网线比较powerful
照你这个理论,low power拍子都是high power 拍子
因为low power拍子控制好,水平高点的用low power 拍子打出来力量足
用high power的拍子动作不那么完整就力量轻
那你说是牌子力量大了还是人的问题
M*S
发帖数: 459
18
本来听歌的感受是挺主观的,经常不是一个可以争论的东西,就好像我喜欢吃豆腐,这
有道理吗?没道理,就是喜欢。 不过我还是很惊讶这里很多网友对黄的评价,以至于
我刚才又把黄的这首“the power of love”听了一遍,难道我们听的不是同一首歌吗?
黄的确有些歌唱的不怎么样,但是像“the power of love”这样的歌,整个华语歌坛
几乎没什么人能跟黄比的吧?黄的这首“the power of love”是在一个很高的起点上
完成的,林唱的“the power of love”起点就不一样,怎么比?
况且,黄的音乐性也是很棒的,主歌到副歌层次都是很清楚的,重复句也是尽量每次都
表现的有所不同,在音域这么大的歌里,发音饱满,呈颗粒状,这根本不是林唱的那首
“the power of love”可以比的。
t******u
发帖数: 3036
19
有MagSafe Power Adapters的退几十块钱
LEGAL NOTICE
If you are the original owner of certain MacBook or MacBook Pro computers
and/or you purchased a standalone 60W or 85W MagSafe power adapter for these
computers, you could be entitled to benefits under a class action
settlement
The settlement will provide a cash payment if you are the original owner (by
purchase or gift) of certain Apple MacBook or MacBook Pro computer models (
“Subject Computer”) or separately purchased an Apple 60W or 85W MagSafe “
T”... 阅读全帖
c*******h
发帖数: 1096
20
来自主题: CS版 - power law
做 social network 的人都知道 power law。它是一个概率分布,其密度函数有一
条很长的尾巴,而如果在 log-log scale 下画出来呢是一条直线。power law 在现
实生活中很普遍,大抵大家举得最多的例子就是一个图里面节点的度服从 power law
分布。而除了大家研究得很多的图之外呢,好几十年前 Simon 同学就说人的收入
看着似乎也服从这个分布。这样一来就有问题了。大家都说美国好啊,美国的中产阶
级占多数,有钱人和穷人相对来说没那么多。一个读了博士的 wsn,好歹也能混个中
产阶级,比上不足比下有余。要真这样的话,美国人的收入就明显不是 power law
分布了。咋回事呢?
换过来看中国。大家都说中国人的收入就一金字塔,有钱人很有钱,但不多,没钱
的人穷得揭不开锅,遍布全中国。这看着就一赤果果的 power law。难不成这样才是
正常的?
B*********L
发帖数: 700
21
来自主题: Database版 - MSSQL Power Function
下面这个query(其中B是个长公式),column3 就是 column1 乘以 column2,
SQL server总是给我0.
SELECT
A
,POWER(cast(10 as dec(38,20)),B)
,A*POWER(cast(10 as dec(38,20)),B)
FROM TABLE_A
result:
8694 0.00000000003548134000 0.00000000000000000000
2103 0.00000000003981072000 0.00000000000000000000
对column3,我试过以下几种办法,都不行。
,CAST(A as dec(38,20))*POWER(cast(10 as dec(38,20)),B)
,CAST(A as dec(38,20))*CAST(A POWER(cast(10 as dec(38,20)),B) as dec(38,20))
,CAST(CAST(A as dec(38,20))*CAST(A POWER(cast(10 as dec(38,20)),
b********n
发帖数: 208
22
本人是学EE power方向的,现在是硕士第一年,预期明年八月份毕业。现在的方向是
power system, 非power electronics或者electric machine。由于一些原因,以后肯
定是要回国发展的,只是时间问题。
Power方向在美国的学校里很少,我所在的学校水平这方面还算不错。根据组里的情况
,今年即将毕业的硕士都拿到了几个大的电力企业的offer。
我自己对于现在的研究不能说是有多么的热爱或者痴迷,但至少并不讨厌,而且学了好
几年感情也很深厚了。
我自己的考虑综合别人的一些意见是:
读phd的原因:
1. 行业特殊性:国内的电力行业主要还是由国家垄断,美国的MS加上几年从业经验回
去之后也没什么优势。现在很多硕士的同学做实习的内容大多都是编程序写代码,离
Power的核心主业有点远。当然海龟博士和国内博士相比也没有明显的优势,但要比硕
士的情况好一些。
2. 个人倾向于在工业界发展,但并不排除将来在高校发展的可能。
3. 在经济方面暂时并没有特别多的要求,不是说我不缺钱,只是经济利益在我的考虑
中排得比较靠后。(可能有点太理想主义了)。
根据前辈的建议:
e******e
发帖数: 147
23
power这个行业靠积累,年代越久越有经验越厉害...
你只有dsp方面的知识,可以考虑做power electronics和motor control方面的数字化控
制的职位,包括一些变换器,逆变器,变频器等等的数字控制算法和dsp程序,有时还有
FPGA等.
但是要涉及到power系统级的设计,你的背景就很有限,基本不太可能成为project
leader,当然你要坚持在power这个行业混10年以上(指工业界,上学时间不算),并且有机
会参与到硬件或者功率部分的设计,并且自己很努力补充这些知识,那么还是很有机会很
好发展的.
power electronics涉及的知识包括:电路理论,控制理论,电力系统分析,电子技术等等.
..
g****t
发帖数: 31659
24
我想和电动汽车有关的新position会越来越多.
对找工作的人来说,hybrid vehicle沾边的可能是比
power electronics,embedded更好的方向.

工作不好说,有饭吃当然肯定有。你这个做的大概就是digial power control。
power electronics的control目前还主要是模拟的,但是motor drive很多是用
digital control的。原来power supply之类有digital control的趋势,现在看来
这个不一定会成功了。所以你这个,对自身的发展应该主要是embedded。
power是另个行业,按说你光做做这个embeded控制还是没办法进入的。
motor
c*******v
发帖数: 2599
25
siliconlabs的power部门在Ausin吧?
另外你列的这几家公司我知道有两家有power的人在Austin.

freescale do not do much analog/power electronics in headquarter at all, nor
do TI,Qualcomm,Maxim in austin, ibm,intel,amd do digital/vlsi, intel,amd
may have some analog in austin. only cirrus does analog/power, but it is
just little baby, so not too many. so called the silicon hill is focking
joke for analog/power electronics guy.
s**********a
发帖数: 1277
26
我这是第二个学期,还没定方向,course master,不打算修论文。本人女生,编程基
本不会,现在为了工作,正在开始学。现在还在为方向发愁,我们系里的power好像是
power system,但是我如果只是master的话,power的方向是否民用是不是关系不大?
不过我也怕选power的话,毕业出来一没绿卡二没经验还不是民用,也找不到工作。系
里还有ce,或者大牛们经常讨论的electronics的vlsi,模电之类,还请大牛们给予指点。
我以前学的电子类,物理类的东西,没学过信号系统,控制之类的课,选power还是要
学很多,非常茫然,只能上来找大牛们解答一二。
p*****1
发帖数: 39
27
转载自JobHunting信区,早些时候在那发了,现在再转到这里求关注求帮助!
----------------------------------------------------------------------------
-----------------------------
新来到mitbbs,发现EEpower的同胞似乎不太多,想求找工作经验,身边同学毕业后都
选择读博了。我是EE Power方向的MS刚刚毕业,工业界的经验基本没有,国内有过很
短期的实习,但是并没有实质性的项目。想找Power System Engineer,Planning和
Distribution的的职位都可以。Power electronics的相关应用设计也可以,相关知识
基本都懂但是深入的研究经验并不多。相关软件经验有PowerWorld,PLECS,MATLAB。
Power Flow编程主要用Matlab,Phyton也会一点。求组里缺人或在相关公司的内推,
或经验介绍,power的jobs的求职技巧,任何帮助都可以,真的是谢谢大家了!!!!
网投简历目前有response的很少很... 阅读全帖
a********m
发帖数: 92
28
小弟八月份毕业,开始找工快两个月了。感觉indeed和linkedin上虽然opening不少,
但是对fresh而言还是很艰难。我相信只要能找到第一份工作,以后的路应该会越走越
宽。希望版上各位过来人能给点建议,或者分享一点求职信息,在下感激不尽。
背景:
主要做过一些强电方面的design 和 testing
ECE Master Power Electronics
Experienced in the fields of:
- DCDC DCAC converter/inverter
- Linear & switch mode voltage regulator
- Magnetic components design
- Power MOSFET gate drive design
- Power electronics circuit modeling and analysis
- Electric vehicle traction drive system
- Wide bandgap semiconductor device (GaN & SiC) evaluation... 阅读全帖
f******g
发帖数: 147
29
大家好, 本人今年年底(Dec. 2014) EE硕士MS毕业, 目前在找一份电力电子的工作. 本
人有超过四年的电力电子经验, 主要非常熟悉电力电子的硬件仿真, 设计, 以及测试.
做过好几个industry sponsor的和NSF的projects. 对GaN 和SiC非常熟悉, 也有过在
在某业内大公司的暑期实习经验. 总结下来我的qualification有:
1. 4+ years’ experience in power electronics hardware design and testing
2. In depth understanding of power devices (MOSFET/IGBT), gate drive design,
and protection design
3. In depth understanding of wide bandgap devices (SiC and GaN)
and their applications in power
electronics circuits
4. Comprehe... 阅读全帖
f******g
发帖数: 147
30
大家好, 本人今年年底(Dec. 2014) EE硕士MS毕业, 目前在找一份电力电子的工作. 本
人有超过四年的电力电子经验, 主要非常熟悉电力电子硬件的仿真, 设计, 以及测试.
做过好几个industry sponsor的和NSF的projects, 都是有电路分析, 硬件设计和实验
的. 对GaN 和SiC非常熟悉, 也有过在在某业内大公司的暑期实习经验. 总结下来我的
qualification有:
1. 4+ years’ experience in power electronics hardware design and testing
2. In depth understanding of power devices (MOSFET/IGBT), gate drive design,
and protection design
3. In depth understanding of wide bandgap devices (SiC and GaN) and
their applications in power electronics ... 阅读全帖
p*****2
发帖数: 226
31
来自主题: MedicalCareer版 - The Power of Now
今年我能够MATCH上,实属侥幸。对于暂时没有MATCH上的同学,此刻的心情我是非常能
理解的,因为去年失利时我有着同样的心路历程。一位亲友推荐了此书“The Power of
Now",感觉对自己走出心理低谷很有帮助。
书中讲道,很多人对过去做错的事或未能尽到的努力总是不能释怀,所以情绪低落;不
少人对未来所追求的东西由于有太多的不定因素而心神不宁,也会焦虑沮丧。但我们对
这些已经发生或尚未发生的事是无能为力的,因此大可不必抑郁,因为我们所能着眼和
有所作为的只能是当前,the power of now,静下心来,修补完善你的package,做该
做的工作,读该读的书,尽情享受家庭的温馨,为来年再战做好充分的准备。
去年半夜突然醒来,想到MATCH失利而伤感时,我就对自己说"power of now",于是安
然入梦。
The Power of Now!用愉快健康的心情享受今天;
The Power of Now!神奇的力量会助你明年成功!
s***h
发帖数: 357
32
我是指sample size N太大。80%,90%是比较正常的power。有时候sample
size有power之外的考虑,end up with e.g. 99%power,called over power,这时候
就很容易significant。你说的第三点multiplicity也很重要,不过一般不会归到power
范畴
D**u
发帖数: 288
33
I think when you say "power of model" you really want to say the "goodness
of fit" of that model.
Power is only of a hypothesis testing, a model is not a hypothesis testing,
and multiple regression is a model, so there is no "power" related to
multiple regression. However, there are a lot of tests of a multiple
regression model's "goodness of fit" available for you, and you can always
say a model is "powerful" when it fits well.
And if above is what you meant, then a quick answer to your questio... 阅读全帖
i*********5
发帖数: 19210
34
来自主题: Tri版 - Power Meters Explained
Quarq, Powertap, SRM, Garmin, Power2Max, Vector
by Jack Mott
"Do I really need a power meter?" – an often asked question, with a clear
answer. No, you do not need a power meter. Norman Stadler became a two-time
Kona champ pacing himself by just "going all out." Eddy Merckx managed to
win approximately every bike race he ever entered without one, and set an
hour record that stood for 28 years. However, when that hour record finally
was broken by Chris Boardman, it was done with extensive use of a... 阅读全帖
w*******y
发帖数: 60932
35
Link:
http://www.cowboom.com/deal-of-the-day.cfm
Antec Earthwatts EA650 650-Watt ATX CPU Power Supply
Specifications650-watt power supply ATX 12V version 2.2
6 SATA connectors for Serial ATA hard drives
Low-noise 120mm fan runs cool and quiet
80 PLUS certified for power supply efficiency
Industrial-grade protection circuitry prevents damage from short circuits,
power overloads, over voltage and under voltage
Universal input three 12V inputs and 1 PCI-E connector
Active Power Factor Correction (P
w*******y
发帖数: 60932
36
Mwave
Coolmax PS-228 Black Power Supply Tester
$26 - $13 Instant Savings
= $13 with free shipping
Coolmax PS-228 Black Power Supply Tester
The product designs with LCD to show ATX power voltage. Easy to plug with
ATX power 20/24 pin and plug in (P4/P6/P8) to show the voltage on the LCD
panel.
Features:
# Easy to check ATX power supply
# Aluminum case
# Accurate voltage indicator +/- 0.1V (+12V1/+5V/+3.3V/5VSB/+12V2/-12V)
# ATX P.G. value display
# Lower or higher P.G. values alarm
# ATX output c
w*******y
发帖数: 60932
37
walmart has the Honeywell HW100SPI 100W Mini Travel Power Inverter on
clearance for a low $19 with FS to home.
Travel Power Inverter enables you to convert the 12V DC power from your car,
boat or RV into 120V AC household electricity for a wide range of
electronic gadgets. Connects the laptop & other device inside your vehicle.
Link:
http://www.walmart.com/ip/Honeywell-HW100SPI-100W-Mini-Travel-Power-Inverter/15105249?sourceid=1500000000000003142050&ci_src=14110944&ci_sku=15105249
@Amazon $29
Li... 阅读全帖
w*******y
发帖数: 60932
38
Belkin PureAV Home Theater Power Console PF30:
http://www.buy.com/prod/belkin-pureav-home-theater-power-console-pf30/q/loc/101/207514354.html
- AP20800FC08-BLK
Features
Video Features Level 4 Power Protection
Video Features Phase 3 PureFilter Circuitry with video, audio, and
HiCurrent filters
Video Features Slim console design fits perfectly in your home theater
cabinet
Video Features HiCurrent outlet for high-power amplifiers
Video Features Lifetime Warranty
Video Features... 阅读全帖
w*******y
发帖数: 60932
39
It is $165.29 - 15% shopping discovery = $140 + tax, free shipping or pick
up in store.
BIC F12:
http://www.sears.com/shc/s/p_10153_12605_05794629000P?sid=IDx20
BIC America Formula F-12 - Subwoofer - 150 Watt - black
Powered subwoofer incorporates a high current 475-watt peak amplifier
designed by BASH technology in combination with a 12" injection molded long-
throw woofer. A patented BIC "Venturi" vent eliminates port noise which is
often heard from other subwoofers, especially when playing de... 阅读全帖
w*******y
发帖数: 60932
40
Best Buy:
http://www.bestbuy.com/site/Austin Powers 1-3 Collection (2 Disc) - Widescreen - DVD/4615225.p?id=2180488&skuId=4615225&st=Austin Powers 1-3 Collection&lp=1&cp=1
DVDs Included:
Austin Powers: International Man of Mystery (1997), MPAA Rating: PG-13
Austin Powers: The Spy Who Shagged Me (1999), MPAA Rating: PG-13
Austin Powers in Goldmember (2002), MPAA Rating: PG-13
w*******y
发帖数: 60932
41
Link:
http://www.newegg.com/Product/Product.aspx?Item=N82E16817341017
The power supply is $75 with a mail in rebate for $25 from the manufacturer.
The power supply can be had from amazon for $75, or Tigerdirect for $93ish.
However newegg will give you a $15 gift card, to use at newegg.com which
brings your total down to $35. Pretty sweet deal for a nice power supply.
"The ModXStream from OCZ is the superlative solution for driving today's
gaming systems. Professional-grade, yet designed with gam... 阅读全帖
w*******y
发帖数: 60932
42
I checked and the last post regarding this was a B&M post a few days ago,
and the other online offers were a few weeks-a month or more ago. I don't
need this but saw it and thought it might be of help to some, so please be
kind.
Link:
http://www.target.com/p/Toro-Power-Shovel/-/A-10750281#?lnk=sc_
#?lnk=sc_qi_detailbutton" rel="nofollow" target="_blank" onclick="_gaq.push(
['_trackEvent', 'thread', 'click', '4039320 - toro-power-shovel-on-target.
com-34.64-was90.99']);">http://www.target.com/p/... 阅读全帖
a********m
发帖数: 92
43
来自主题: _PowerElectronics版 - Power Electronics方向诚心求建议
小弟八月份毕业,开始找工快两个月了。感觉indeed和linkedin上虽然opening不少,
但是对fresh而言还是很艰难。我相信只要能找到第一份工作,以后的路应该会越走越
宽。希望版上各位过来人能给点建议,或者分享一点求职信息,在下感激不尽。
背景:
主要做过一些强电方面的design 和 testing
ECE Master Power Electronics
Experienced in the fields of:
- DCDC DCAC converter/inverter
- Linear & switch mode voltage regulator
- Magnetic components design
- Power MOSFET gate drive design
- Power electronics circuit modeling and analysis
- Electric vehicle traction drive system
- Wide bandgap semiconductor device (GaN & SiC) evaluation... 阅读全帖
c**i
发帖数: 6973
44
Frank Beardsley, American History: Philippines Occupation Makes US a Major
Power in the Far East. VOA, July 28, 2010.
http://www.voanews.com/learningenglish/home/us-history/American-History-Occupation-of-Philippines-Makes-US-a-Major-Power-in-the-Far-East-99498574.html
Quote:
"The war between the United States and Spain in eighteen ninety-eight was
one of the shortest in American history. The fighting lasted about three
months.
" American occupation of the Philippines made the United States a maj... 阅读全帖
G***G
发帖数: 16778
45
来自主题: Military版 - sun power
most people say the future of sun power.
but I would say that the energy of sun power may
not be enough to start a cooling system of nuclear power.
hydro-electrical power may be the future.
G***G
发帖数: 16778
46
two days ago, when the first blast happened on
reactor no.1. People explained that it was because of
power outrage and generator broken by tsunami.
did people ship a new generator to there? no reports about it.
did people fix the power outrage? no reports about it.
but shipping a generator or fixing the power outrage
should be a easy task.
now the third blast happened.
people began to ask ,' when the first blast happened,
it was really caused only by power shortage or broken generator?
most poss... 阅读全帖
T*****e
发帖数: 799
47
来自主题: Military版 - Power line laid
Engineers at Japan's stricken Fukushima nuclear power plant have
successfully connected a power line to reactor 2, the UN's nuclear watchdog
reports.
Restoring power should enable engineers to restart the pumps which send
coolant over the reactor.
Workers at Fukushima have been battling to prevent fuel in the reactors from
overheating since Friday's magnitude 9.0 quake and subsequent tsunami.
The confirmed death toll from the disaster has risen above 5,400.
More than 9,500 people are missing and... 阅读全帖
x******o
发帖数: 630
48
By Benjamin Kang Lim and Ben Blanchard
BEIJING | Fri Oct 19, 2012 1:50pm BST
(Reuters) - China's three most powerful men have come up with preferred
candidates to head up the nation's new leadership, sources said, in a group
that includes financial reformers but leaves a question mark over its
commitment to political reform.
The seven-member list has been drawn up by past, present and future
presidents ahead of a once-in-a-decade leadership change to be finalized
next month at the ruling Communi... 阅读全帖
y****g
发帖数: 36950
49
【 以下文字转载自 Joke 讨论区 】
发信人: yugong (愚公挖坑), 信区: Joke
标 题: 我已经把黑色iPhone5磨成白色的,连Power键和音量键都磨平了,多图,欢迎围观
发信站: BBS 未名空间站 (Wed Mar 20 00:06:46 2013, 美东)
裸奔15天,在昨天晚上突然发现一道闪光,简直亮瞎了我钛合金的狗眼啊。。
于是一怒之下,去买了砂纸打算把边缘一圈磨白!
可磨了几下之后竟然出现“侧漏”了。。侧边的也磨到了。。晕啊
于是二怒之下,干脆把全部都磨白!!!!
经过一下午的努力,终于磨好底部和右侧边,可突然发现一个大问题!音量键和power
键那里没办法磨啊!
磨成这个样子了:
顶部的样子,我勒个去。。丑死啦。。
肿么办??于是乎,三怒之下,我决定做一件更狠的事:
我要把这几个键磨平!这样才能把全部都磨白!
开始用力磨啊磨:
哈哈,终于磨。。平。。了。。。
音量键和静音键也磨。。平。。了。。好光滑啊~~
正所谓一怒磨白;二怒磨光;三怒磨平,想不到竟然发现了一个天大的秘密和创新:
原来按钮不用凸起也能按!磨平后的音量键和pow... 阅读全帖
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