H******7
发帖数: 34403 | 1 Some web sites recommend using a cell phone to test a microwave oven for
radiation leakage. You are supposed to put your cell phone in the oven and
try to call it. If it rings, it is supposed to indicate a leak. However,
this method is wrong because cell phones operate at different frequencies
than microwave ovens. Even if the cell phone rings in the oven, this does
not indicate a leak, so it is nothing to worry about. Protection against
microwave leakage in microwave ovens is specifically tuned... 阅读全帖 |
|
w********h
发帖数: 12367 | 2 Polymer Gel Can Block Toxic Leakage Problem in Gene Therapy
Duke engineers identify technique to confine most cell-killing gene products
to targeted tumor
Friday, November 18, 2005
Durham, N.C. -- Duke University biomedical engineers have devised a
potentially patentable method to arrest toxic leakages of genetically
engineered viruses that have plagued attempts to use gene therapy against
cancerous tumors. The problem has been that viruses carrying anti-tumor
genes have tended to leak from tumo |
|
r****m
发帖数: 31 | 3 如题，oil pump leakage不知是否严重，但地上从来看不到一滴油。但mechanic说要换
pump和整个exhaust，请教各位大虾。 |
|
B*****l
发帖数: 239 | 4 今天去做car inspection，technician说有power steering leakage，让我摸了摸其连
接的suction hose。表面上看没什么异常，但的确摸到一些油渍。他要求换suction
hose并同时做power steering flush，parts要170，labor要125，flush要70。请问这
个价格合理么？个人感觉有些贵，网上搜了下似乎parts不应该那么贵。请有经验的朋
友给讲讲，谢谢。 |
|
s******g
发帖数: 52 | 5 最近换机油，被告知 oil pan gasket, rear main seal leakage. 请问大侠，需不需
要修，已经是很旧的车了。 |
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f****t
发帖数: 15913 | 6 rear main seal leakage 会导致机油漏进变速器，要么修要么快点找人接盘吧。 |
|
f********i
发帖数: 3 | 7 买了一个condo, new construction, 一月份签的合同， 还没close.
最近delevoper突然通过律师告诉我们：这个site原先是个加油站，有五个地下的大汽
油罐。他们
当时把汽油罐挖出来的时候发现leakage,土壤被污染。我查了州里的记录，他们买这块
地在2006年
末。律师说到现在地下还是有被污染的地下水。建商雇佣了一个environmental
consultant提
出清理计划，“to clean up the contamination by putting a cap over the soil
and installing what are known as monitoring wells”， 这个计划已经得到州里环
境署批准。
因为是建商口头告诉他们的，建商的律师和我的律师没有关于这件事的任何文件。我们
也没有经验，
不知道这个对condo的影响有多大。以后会不会有很多liability呢？大家谁有经验，盼
指教！ |
|
m******9
发帖数: 223 | 8 刚刚发现一楼屋里fireplace 的墙上的漆起皮了， 打开fireplace 一看， 里面是湿的
， fireplace 里砖墙上也是湿的， 还有点水往下滴。 这可能是chimnery 哪地方有
leakage 吗？ 大家有碰到过这种问题吗？还不知道附近的drywall 有没有wet。
多谢了。 |
|
D*B
发帖数: 553 | 9 In the ceiling of a room on the second floor. It is attic above it. And
there is snow on the roof. Is this due to leakage of the roof? |
|
t****t
发帖数: 610 | 10 Diy is not always easy. Leakage usually happens at flashing and valleys.
Those types of repair is not easy. To save your life and trouble, hire
someone |
|
D*B
发帖数: 553 | 11 I found a fly mouse in the attic right at the place of leakage. I took him
out.
I have tried to get onto the roof from outside, but it was so slippery that
I can not even stand on the roof. My roof has a sharp slope, I almost got
myself killed. I will wait for the snow to melt. |
|
s****z
发帖数: 37 | 12 在disclosures中看到3年前 poured wall foundation leakage但是修好了，还有房子
bath漏水也修好了。这样的房子可以买么？ |
|
m******9
发帖数: 223 | 13 刚刚发现一楼屋里fireplace 的墙上的漆起皮了， 打开fireplace 一看， 里面是湿的
， fireplace 里砖墙上也是湿的， 还有点水往下滴。 这可能是chimnery 哪地方有
leakage 吗？ 大家有碰到过这种问题吗？还不知道附近的drywall 有没有wet。
多谢了。 |
|
m******9
发帖数: 223 | 14 刚刚发现一楼屋里fireplace 的墙上的漆起皮了， 打开fireplace 一看， 里面全是湿的
， fireplace 里砖墙上也是湿漉漉的， 还有点水往下滴。 这可能是chimnery 哪地方有
leakage 吗？ 大家有碰到过这种问题吗？还不知道附近的drywall 有没有wet。30年的
colonial房子。
多谢了。 |
|
m******9
发帖数: 223 | 15 刚刚发现一楼屋里fireplace 的墙上的漆起皮了， 打开fireplace 一看， 里面全是湿的
， fireplace 里砖墙上也是湿漉漉的， 还有点水往下滴。 这可能是chimnery 哪地方有
leakage 吗？ 大家有碰到过这种问题吗？还不知道附近的drywall 有没有wet。30年的
colonial房子。
多谢了。 |
|
m******9
发帖数: 223 | 16 刚刚发现一楼屋里fireplace 的墙上的漆起皮了， 打开fireplace 一看， 里面全是湿的
， fireplace 里砖墙上也是湿漉漉的， 还有点水往下滴。 这可能是chimnery 哪地方有
leakage 吗？ 大家有碰到过这种问题吗？还不知道附近的drywall 有没有wet。30年的
colonial房子。
多谢了。 |
|
m******9
发帖数: 223 | 17 刚刚发现一楼屋里fireplace 的墙上的漆起皮了， 打开fireplace 一看， 里面是湿的
， fireplace 里砖墙上也是湿的， 还有点水往下滴。 这可能是chimnery 哪地方有
leakage 吗？ 大家有碰到过这种问题吗？还不知道附近的drywall 有没有wet。
多谢了。 |
|
J*****n
发帖数: 4859 | 18
This is my real problem. I have need two big struct variables for each loop.
So, my current code goes like following
struct{
//some stl, like vector, map.
}
yesterday = null;
today = get_data(1);
for (i = 2; i != end; ++i){
yesterday = today;
today = get_data(i);
//some function handle yesterday and today.
}
So, what should I do to avoid memory leakage?
Thanks. |
|
J*****n
发帖数: 4859 | 19 what I concern is that if I delete a struct, which contains a stl container.
When the delete is called, the container is always released or just like we
call del on array, which will generate memory leakage (we need to call
delete[])?
Thank you. |
|
w*****r
发帖数: 348 | 20 有个问题，望版上各位指教。
For AB = 00, 01, 10 & 11;
In terms of leakage current, how to sort them and why? |
|
H***F
发帖数: 2501 | 21 11>01>10>00
有个问题，望版上各位指教。
For AB = 00, 01, 10 & 11;
In terms of leakage current, how to sort them and why? |
|
d*****r
发帖数: 39446 | 22 【此篇文章是由自动发信系统所张贴】
leakage 申请加入本俱乐部的请求已经通过审批, 成为本俱乐部的正式成员, 特此通知. |
|
b******s
发帖数: 345 | 23 老房子，问题很多：
1）关于roof的结果，inspector说roof有12-15年，应该还可以用5-8年，一般这种情况
下是不是就不能向屋主要credit了？
我还有一个concern是屋主安了两层roof，这等以后要tear-off安新roof时得多花多
少钱呢？谢谢！
2）siding: 报告上说lacks maintenance. Metal;Brick.Loose,missing mortar noted
at areas near front stoop and left side near bottom of garage service door;
several spalled/deteriorated bricks noted. Tuckpoint, replace bricks as
needed to prevent further damage/loosening of brick/stone. Weathered paint
coating noted at rear areas. paint siding within the next few y... 阅读全帖 |
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x**********r
发帖数: 835 | 24 今天final walk through发现basement 墙上有2道垂直Crack室外的foundation也有对
应的cracks. basement的Crack两侧有干的水迹。明天close，想让seller负责修理或是
credit the cost to repair。我们和律师联系说这两个crack leakage是新developed
，出于safety concern，需要seller处理。我们记得地下室的墙体有几道stress crack
，但当时只有一处有leakage就让seller修了，这两处的water leakage是今天新发现的
。当时home inspection没有。但现在律师也问我们那两个crack是否为新的crack。我
们确实不记得了，只知道肯定没有leakage，不知道应该怎么回答律师才能要求卖家修
理或credit。 上来问问各位，谢谢！ |
|
y***k
发帖数: 9459 | 25 coolant leakage or gasket leakage or both
gasket leakage是马自达626的通病，不拆缸换缸垫是修不好的。经典烂车都敢买，就
冲着马自达是日本神车？ |
|
s*********p
发帖数: 142 | 26 我的车是jeep grand cherokee, 2001年的。车空调一直不好，09年在tireplus换过整
个AC
系统（compressor, accumulator etc),到了10年天热的时候，发现又不工作了，到了
tireplus，又全换了一遍，他们说全换一遍才能比较能保证系统能够在一起和谐工作。
这次只是减
了compressor的零件钱（因为under warranty),交了其他零件还有工人的费用（花了
500多
啊），唉，当时实在不懂，他怎么说，我就怎么换了。换完了AC的东西，说要换
radiation fan,
说因为radiation fan的问题，才导致的AC 坏的。其实我的compressor都不能免费换的
，因为
之前不是compressor质量不好坏掉的，是因为cooling fan 坏了所以导致compressor
坏的。
不过他们就不追究了，让再交500换cooling fan，我们一查，觉得不是fan的问题，就
没换。
后来空调用了2个多月，又不工作了，回到tireplus让他们能查leakage，他们说，就是
cooling
fan不好，如果我... 阅读全帖 |
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C*******d
发帖数: 15836 | 27 Water leakage at the bottom of the shower tube.
密封不好 => Water seal failure.
If you have leakage without using the shower, very likely it could a broken
valve or the pipe before the valve. If you have leakage when you use the
shower, it could be some pipe failure from the value to the shower head or
down sprout, or the tube drainage pipe connection. |
|
I**C
发帖数: 100 | 28
房东写信催我们的决定，我没有忍住给他回信说 不是我们的责任。
I only accept reasonable cost and I totally disagree with the tiles charge.
Here are the following reasons,
1. you mentioned "we broke the toilet valve", I guess the toilet valve you
mentioned is "shut off valve", it is made of metal, and there is no way and
no reason that we can break it when we use toilet.
2. If there is any obvious leakage to the floor, through the toilet valve,
there will be water on the floor, and we definitely would ask you for repair
. Sinc... 阅读全帖 |
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i********u
发帖数: 70 | 29 we have filed a small case claim against landlord jason tseng , if you have
similar experience with him , can you be my witness or provide a statement?
Our family moved from east coast to Sunnyvale on January 2013, we signed a
lease with Jason tseng on jan 18th 2013, and signed a 6 month lease , by
feb 1st, we found a the shower head in the bathroom is leaking water, the
water dripping sound is pretty loud especially at night, it keep us up at
night, I notified Jason by email , he came in onl... 阅读全帖 |
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b*****e
发帖数: 14299 | 30 这个数值只是辐射屏蔽设计的指标之一，跟公众还是放射工作人员无关的。有关的是另
外一个参数，
就是NCRP里面说得设计目标，P值，分控制和非控制区域。北美这边一般都用NCRP来计
算。在设计
屏蔽时，一般都要考虑leakage和散射，而leakage一般假设就是原始能量，比如15MeV
，18MeV
等等，所以都用高能的TVL。散射的能量的确只有500keV左右，但是一般计算以后，发
现散射比
leakage少。如果少一个数量级以上，就不用考虑了。否则再加一个HVL。加铅的问题是
，铅很软，
铅很重，弄不好很容易象一滩烂泥塌下来。而且在室内会有毒性，所以要么做成三明治
一样夹在混凝
土或者钢中间，要么卯起来，裸露部分还得涂上厚厚的油漆才行，对快中子还透明，对
10MeV以上高
能机器，本身还能产生中子，最后光子挡住了，中子生成了，得不偿失。
public,
underlying
type
coz, if
replace |
|
z****u
发帖数: 1007 | 31 这个很难address.我也遇到过。是tamoxifen诱导的leakage
但这个leakage是组织相关的。有的组织，promoter相关基因表达低，就没有leakage,
有的组织高表达，就会leak. |
|
h********t
发帖数: 555 | 32 The leakage current could be non-linearly depending on the voltage across the capacitor. It could keep changing with time as the voltage across the capacitor changes with time due to leakage current. The leakage also changes dramatically when ambient temperature changes. If you want to calibrate it, you have to repeat this calibration process from time to time to take care such temperature drift effect. It is quite complicated. |
|
h********t
发帖数: 555 | 33 the leakage is primarily due to sampling switches, not the silicon oxide between the capacitor top plate and bottom plate.Most CMOS processes are junction isolated. If you draw a structure of such MOSFET, you will see reverse biased PN junction associated with the MOSFET. The reverse biased PN junction has leakage current, which is exponentially increases with temperature.Even if you use a silicon-oxide isolated process, there is still some leakage current through the channel. The charge migh |
|
g****t
发帖数: 31659 | 34 刚才翻了翻书。发现这个问题确实不简单。
hold circuit一般处理的都是比较短时间的hold,
leakage造成的drop的处理已经很复杂。
他原问题要求的hold时间，肯定比一般的
zero order hold之类东西里面的hold时间长不少。
所以我想，最佳方案可能还就是A/D然后把数字存起来。
the leakage is primarily due to sampling switches, not the silicon oxide
between the capacitor top plate and bottom plate.Most CMOS processes are
junction isolated. If you draw a structure of such MOSFET, you will see
reverse biased PN junction associated with the MOSFET. The reverse biased PN
junction has leakage current, which is exponent |
|
f**d
发帖数: 768 | 35 这是一本计算神经科学的优秀著作，全文拷贝这里（图和公式缺），有兴趣的同学可以
阅读
如需要，我可以分享PDF文件（－－仅供个人学习，无商业用途）
From Computer to Brain
William W. Lytton
From Computer to Brain
Foundations of Computational Neuroscience
Springer
William W. Lytton, M.D.
Associate Professor, State University of New York, Downstato, Brooklyn, NY
Visiting Associate Professor, University of Wisconsin, Madison
Visiting Associate Professor, Polytechnic University, Brooklyn, NY
Staff Neurologist., Kings County Hospital, Brooklyn, NY
In From Computer to Brain: ... 阅读全帖 |
|
t****c
发帖数: 707 | 36 歐洲「掛牛頭賣馬肉」，美國也「假魚氾濫」，研究發現，在美國出售的「白呑拿魚」
（White tuna），原來有多達84%是多國禁食的「油魚」（escolar，學名異鱗蛇鯖）冒
充，多吃不單受騙，隨時會腹瀉、腸胃痙攣，過多的油份更可能會不斷從肛門流出。
普通呑拿魚鯛魚也作假
海洋保育組織Oceana報告自2010年起，經兩年調查化驗了1,215個海鮮樣本，基因測試
發現，多達33%樣本的基因與標籤不符，最令人震驚的，莫過於「油魚」充「白呑拿魚
」。研究指，巿面出售貼上「白呑拿魚」標籤的魚肉，有多達84%實際上是「油魚」，
壽司店更加是「假魚重災區」，74%食物標籤不正確，食肆出售的海鮮也有38%標籤不正
確。
除了白呑拿魚，普通呑拿魚作假也嚴重，多達59%是其他魚類冒充。不過最嚴重要數鯛
魚（snapper），多達87%的標籤為「鯛魚」的，實際上是其他魚類，他們在全美國搜購
的120個鯛魚樣本中，僅7個是真正的鯛魚。
假魚問題在全美國原來相當普及，各處情況相若，數據顯示嗜吃壽司的洛杉磯「假魚當
道」，竟多達55%；德州城巿奧斯汀49%；波士頓48%；邁阿密31%。檢驗官員揶揄：「對
消費... 阅读全帖 |
|
t***h
发帖数: 5601 | 37 https://www.norsar.no/press/latest-press-release/archive/large-nuclear-test-
in-north-korea-on-3-september-2017-article1534-984.html
Large nuclear test in North Korea on 3 September 2017
03.09.2017
The seismological observatory NORSAR at Kjeller, Norway, has detected the
latest underground nuclear test by North Korea.
NORSAR has recorded signals from an underground nuclear test explosion
conducted by North Korea at its Punggye-ri test site on 3 September 2017.
NORSAR has estimated the explosive ... 阅读全帖 |
|
p*r
发帖数: 5516 | 38 http://www.bbc.co.uk/news/world-12723092 （附图）
The word "meltdown" goes to the heart of the big nuclear question - is
nuclear power safe?
The term is associated in the public mind with the two most notorious
accidents in recent memory - Three Mile Island, in the US, in 1979, and
Chernobyl, in Ukraine, seven years later.
You can think of the core of a Boiling Water Reactor (BWR), such as the ones
at Fukushima Daiichi, as a massive version of the electrical element you
may have in your kettle.
It s... 阅读全帖 |
|
F******k
发帖数: 197 | 39 不好意思，没看前面就会了。现在把前面的贴子看了。想说几点：
1）intel MIC 不是"跟CPU集成的还不够",它完全就是一堆CPU核.这些核目前都支持最
少SIMD16计算，主要用在HPC。另外，intel现在推的processor graphics可能已经放弃
用MIC,尔转而用比较传统GPU,类似AMD的APU.
2) GPU最起码局部共享（video)内存，这也是DX11 compute shader, cuda,和OpenCL的
线程组的设计基础。对于processor graphics来说，GPU和CPU应该共享最后一级缓存(
LLC)的.
3) 功耗主要两部分：动态功耗和leakage power consumption。 现在的设计导致因为
主频高，leakage很快，需要提高电压去维持MOS的0/1态。
core |
|
m*********a
发帖数: 3299 | 40 This is because the deep sea drilling technology is a trade secret. US
government has no technology and manpower to deal with the oil leakage. Only
BP and XOM have the sufficient capability to stop the leakage. US is a POS.
好？ |
|
w********r
发帖数: 138 | 41 ITEMS TO INSPECT BEFORE PURCHASING
Below is a list of some major defects that may occur in used
motor vehicles.
Frame & Body
Frame-cracks, corrective welds, or rusted through
Dogtracks-bent or twisted frame
Engine
oil leakage, excluding normal seepage
Cracked block or head
Belts missing or inoperable
Knocks or misses related to camshaft lifters and push rods
Abnormal exhaust discharge
Transmission & Drive Shaft
Improper fluid level or leakage, excluding normal seepage
Cracked or damaged case |
|
g****e
发帖数: 352 | 42 最近电话涨价。忙着找工作。今天早上去检查车，先去了firestone, 有个人打开前盖看
了一下，说有oil leakage，我问不修会怎么样，他说就要保持engine里面有足够的oil.
如果要修的话，要检查两个小时，让engine 不停转动。最后才能确定修理方案及费用。
我想想前两天有个朋友似乎也是同样问题，在这里修了一下花了三百左右。还可以接受吧
。就这样make appointment了 （所说的检查大概 46 刀）。
后来开车回家的时候经过goodyear，进去也打听一下价钱，结果里面的人就把我的车给架
起来了。过了30分钟，拿了一张单子出来。说出来的话让我觉得被别人打了一闷棍。这辆
车似乎全是毛病，这里也漏，transmission 也漏，什么空调掉出来了，等等等等。最后
说，这车就terminal 啦！！！我听了以后不知道该怎么反应。知道是挺旧的车，可没有
想到买了不到两个月就完了？
现在也不知道monday 还去不去firestone
检查了。似乎goodyear不管修车。我在想也许firestone 可以帮我把oil leakage 的问题
解决一下。
更没想到的是和 |
|
p******1
发帖数: 1388 | 43 http://news.yahoo.com/s/ap/20101021/ap_on_bi_ge/as_japan_toyota_recall
TOKYO – Toyota is recalling 1.53 million Lexus, Avalon and other models,
mostly in the U.S. and Japan, for brake fluid and fuel pump problems, the
latest in a string of quality lapses for the world's No. 1 automaker.
Toyota Motor Corp. said Thursday that it will call back for repairs about
740,000 cars in the U.S. and 599,000 in Japan. The remainder are in Europe
and other markets around the world. Honda Motor Co. also said i... 阅读全帖 |
|
b*********t
发帖数: 256 | 44 maybe due to brake fliud leakage or bad fluid. check the brake fluid take
under the hood. it shoud not be expensive to flush the brake fluid and find
out any leakage if necessary. |
|
l***o
发帖数: 578 | 45 Thank you very much for sharing your experience.
Just want to summarize my Focus
Ford Focus: 2001. Mileage: 165K (266 KM)
Problem Happened:
Timing Belt and water pump were broken once at 205 KM ( A
Chinese Mechanican told me this car has no belt. In fact it is wrong. The
belt is located inside. I didn't read the manual. The belt was broken at
5000 km after recomended maintenance.)
Leakage of coolant tank: I went to junk yard and got an used
tank at 30 US$.
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l***o
发帖数: 578 | 46 Just want to make a short summary for my Focus. I am the first owner.
Ford Focus: 2001. Mileage: 165K mile (266 KM)
Problem Happened:
Timing Belt and water pump were broken once at 205 KM ( A
Chinese Mechanican told me this car has no belt. In fact it is wrong. The
belt is located inside. I didn't read the manual. The belt was broken at
5000 km after recomended maintenance.)
Leakage of coolant tank: I went to junk yard and got an used
tank at 30 US$.
Leakag... 阅读全帖 |
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M***s
发帖数: 8769 | 47 The BBC announced today that Toyota has announced another world wide recall
affecting 1.7 million cars over concerns of possible fuel leaks and other
defects.
Although most of the recalls affect Japanese car owners, there are also a
number of cars (to the tune of 421,000) in the rest of the world. A huge
portion of those defects affect the Toyota Avensis model in Europe and IS
and GS Lexus models in North America.
The fuel leakage problem isn’t life threatening – it’s due to an improper
installa... 阅读全帖 |
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n****e
发帖数: 6292 | 48 我之前的rear rotors上有很深的槽，刹车吱吱叫，我们这疙瘩一个专修saab的
mechanic说没问题，厚度正常就行。但是我坚持让他把换了，因为实在太吵
这是上网搜的9-5 90K service内容，仅供参考：
1.All light bulbs, check/adjust
2. Headlamp alignment, check/adjust
3.Service indicator, resetting
4. Engine oil and oil filter. Check for leakage.
5. Brake pads and handbrake, check/adjust
6. (Applies to cars with VIN up to and including X3025751): Rear brake pads,
check/adjust/clean/lubricate
7. Inboard and outboard drive shaft CV joints, gaiter integrity, check/
adjust
8. Ball joints... 阅读全帖 |
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g********b
发帖数: 8461 | 49
has
If there's water inside then somewhere is leaking. You have to take the
assembly off, dry it and then fix the leakage. The leakage is possibly
located at the bulb gasket, the conjunction between the lens and plastic
housing, or there's a crack on either the plastic housing or the lens.
Most of time this will lead to headlight assembly replacement. |
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D***o
发帖数: 4304 | 50 关于菜鸟在CL挑二手车：
目的少花钱，车况尽量好，从维护费用低来省钱，而不是保值
价格（$5k-7k，太便宜了没好货，太贵了不值得）：基本对你要的车型的行情有个了解
，不要太贪心，看查不多就联系卖家，准备看车
具体到车：美国车，一般都是V6以上的才可能买的到,V6 taurus, impala, sable，还
有dodge, pantiac,V8的crown vic之类的.同级别，同年代，历程的比一个dfbb少好几
千块，够你烧好几年87号油的。加上本来就便宜，再折旧也折不了多少
good
里程75K以下（开到90k就赶紧卖掉，因为一般到100k要花$1k保养）
年代尽量新7－8年以内的
google没有设计缺陷（像什么leakage，断轴，杀不住等bad design／recall，敬而远
之）
保养好正常service record一堆（看车时，如果有一个部分反复修好几遍的，说明也许
问题很严重，还没找到问题）
Mechanic's car
退休老头，老太太因为不能开了，买车
new tires
new pads/rotors
check VIN clean history
注意... 阅读全帖 |
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