w****u
发帖数: 245 | 1 "直接找junk yard二手的，让他们给你装"
junk yard提供这种服务吗？
我上个星期去过一次 Pick-n-Pull，就是交1块钱自己去敲敲打打，然后check out。
“你要到车铺做compression test”
看youtube上给了几个简单的办法，
1，尾气是白烟，有味道，没有露coolant的情况
2, 看看dipstick上面有没有东西
3，打开引擎盖有黄黄的东西。
4，用套小工具也可以测测
一会问问他们，如果便宜，做个compression test，好100％确定问题 |
|
D*******l
发帖数: 5462 | 2 sienna看数据，加速性能比odyssey快一点点。我不知道你们说的面是怎么来的。
http://www.insideline.com/honda/odyssey/2011/2011-honda-odyssey
2011 Honda Odyssey Touring Elite reached 60 mph in 8.1 seconds and covered 1
,320 feet in 15.9 seconds at 88.3 mph.
Drivetrain
Configuration Transverse, front-engine, front-wheel drive
Engine type Naturally aspirated port-injected V6, gasoline with cylinder
deactivation
Displacement (cc/cu-in) 3,471cc (212 cu-in)
Block/head material Aluminum/aluminum
Valvetrain SOHC, four val... 阅读全帖 |
|
l*****6
发帖数: 7881 | 3 因为vw很多车用turbo，compression高。
日车很多引擎compression高的也要高级油。 |
|
f*******r
发帖数: 5301 | 4 O2 is very difficult to compress, it requires very high pressure and low
temperature to go into a liquid tank
what people do use on car is N2O which is easy to compress into liquid tanks
and contains more oxygen than air |
|
h********n
发帖数: 117 | 5 100 miles update:
开了大概100miles，感觉非常好。
local的加速很不错，只要舍得踩油，还是很给力的
高速上30m/h-50m/h这段加速不怎么给力，油门没怎么敢用力踩，还在磨合期嘛
手自一体更多乐趣啊。过弯的handling 比mk6 vw golf 2.5好，非常意外。
超级省油啊，现在车子avg speed 是18 综合油耗31m/g
所以我觉得全高速的话很轻松超过40m/g
下次从sf开到la全程都不用加油了。
看到版上很多mazda的车主有tranny的麻烦，我也很担心。
不过这款车好像是最新的skyactiv engine和transmission
应该会好点吧。实在不行的话等新车保修快到了再加个保修吧
我也带女朋友去看过corolla，civic 都拿到了很好的deal
我说你一个女生，开开这种买菜车就好了。
可是人家就是不喜欢啊，车门一按下去就瘪了，dealer还都很吊
选颜色还要加钱。toyota的dealer最没有礼貌的。
人家女孩子开惯了我的golf，再开corolla，civic，
连一点买的兴趣都没有
买菜的时间也要有点乐趣哇
ba... 阅读全帖 |
|
J*****a
发帖数: 4262 | 6 lincoln 2002 ls v8 compression ratio 10.8:1
acura 2002 tl-s v6 compression ratio 10.5:1
本田发动机的噪音并不大 只是路噪稍大 |
|
f*****n
发帖数: 128 | 7 我的小破车，2001年FORD FOCUS. 大概一年前开始就发现刹车时车有点震动，感觉到方
向盘震动比较明显。一直到今年，没理会，反正平时都感觉不出来，只有用力刹车时才
有感觉。到了一个月前，越来越明显了，开始感到整个车都有点震了。查了网上，也去
了修车铺检查，都没有修好。前段时间下雨，震动更剧烈了，电路问题？？。这几天晴
天好了一些，上午开车震动比较大，今天下午开出去，开始震动剧烈，过了一会，居然
不怎么震了，基本好了。打开车盖检查时，发现发动机启动时，震动最剧烈。
总结一下可能的原因：
1 先说上网查的可能的原因，火花塞，火花塞线，发动机底座，点火装置啥的
2 一个车铺换了4个火花塞，一个空气过滤器，收了90元，真贵。没一点改善。然后查
code,发现是原因是：cyclinder4 misfire. 狗日的，早不查code!
说要再检查compression,如果不是compression。 就因该是ignition coil，换这个
ignition coil，给了配件价格是70.
不再相信这家车铺。
3 换一家车铺，只简单查了一下，说可能是motor mount,或者 exh... 阅读全帖 |
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x**********i
发帖数: 4964 | 8 今年一月就到dealer了 2.2L Diesel 很不错的感觉 车也漂亮 这车今年竞争力应该很强
According to Mazda, the 2.2-liter’s compression ratio of 14.0:1 is the
world’s lowest in a production diesel engine. This enables the adoption of
an all-aluminum block, lighter engine components, and optimized combustion
timing. We had only a few hours with the engine, but we came away convinced
that it could make a run at dethroning VW’s TDI as the mass-market, family-
sedan compression-ignition king. |
|
i*******r
发帖数: 1064 | 9 你没看明白吧？你的第二条是不对的
Diesel engines cost more because they require added equipment such as a
turbocharger to make power levels close to a gas engine. They also need
heavier-duty internal components to stand up to higher compression ratios.
This doesn’t mean that diesel doesn’t have strong proponents, most of whom
talk about the long-life of the engine, its towing power, and acceleration.
(It is these advantages that explain why long-haul trucks use diesel.)
diesel engine 更贵是因为：1 需要更多部件 （turbo）2 需要... 阅读全帖 |
|
a******o
发帖数: 16625 | 10 发信人: altopalo (城市猎人), 信区: Auto_Repair_DIY
标 题: 坑爹的misfire
发信站: BBS 未名空间站 (Wed Jan 1 01:43:04 2014, 美东)
13年新的solara，上周上班途中突然开始震动，怠速也震动，感觉是一个气缸不工作了
，滑行不震动，应该肯定是某个气缸不工作了。下班凑合开到家。
读码 P0301, 一号气缸完全死火，连P0300都没有。
1，把一号气缸线圈接口和四号对调，依然一号不工作。判定线圈应该没问题。
2，把火花塞拧下来，234是好的，一号完全烧成炭黑色。这个塞子我4000迈之前检查过
，还是好的。上网查黑色火花塞，说是faulty injector。换上新塞子，问题依旧。拔
出塞子打火，能看到火花。感觉电路没什么问题了。
3，定了injector，ebay上找到一个$35的OEM Denso，动手拆injector rail，最后被那
个dumper的大螺丝卡住，没办法去HF买了一套大扳手，用24MM的拧开了，喷出一些汽油。
4，从rockauto定了injector o-ring，把所有injecto... 阅读全帖 |
|
a******o
发帖数: 16625 | 11 发信人: altopalo (城市猎人), 信区: Auto_Repair_DIY
标 题: 坑爹的misfire
发信站: BBS 未名空间站 (Wed Jan 1 01:43:04 2014, 美东)
13年新的solara，上周上班途中突然开始震动，怠速也震动，感觉是一个气缸不工作了
，滑行不震动，应该肯定是某个气缸不工作了。下班凑合开到家。
读码 P0301, 一号气缸完全死火，连P0300都没有。
1，把一号气缸线圈接口和四号对调，依然一号不工作。判定线圈应该没问题。
2，把火花塞拧下来，234是好的，一号完全烧成炭黑色。这个塞子我4000迈之前检查过
，还是好的。上网查黑色火花塞，说是faulty injector。换上新塞子，问题依旧。拔
出塞子打火，能看到火花。感觉电路没什么问题了。
3，定了injector，ebay上找到一个$35的OEM Denso，动手拆injector rail，最后被那
个dumper的大螺丝卡住，没办法去HF买了一套大扳手，用24MM的拧开了，喷出一些汽油。
4，从rockauto定了injector o-ring，把所有injecto... 阅读全帖 |
|
S*******n
发帖数: 10009 | 12 看看就知道了。
http://auto.howstuffworks.com/question399.htm
Diesel engines have never really caught on in passenger cars. During the
late 1970's, diesel engines in passenger cars did see a surge in sales
because of the OPEC oil embargo (over half a million were sold in the U.S.),
but that is the only significant penetration that diesel engines have made
in the marketplace. Even though they are more efficient, there are eight
historical problems that have held diesel engines back:
1.Diesel engines, bec... 阅读全帖 |
|
a*******a
发帖数: 4233 | 13 上半身还是好不少的。
特别是仪表盘空间的侵入和头部保护。
Durango
Upper occupant compartment
Steering column 9
Upper hinge pillar max (cm)21
Upper dash (cm)18
Lower instrument panel (cm)19
Head
Peak gs at hard contact
no contact
Chest maximum compression (mm)
26
cx9
Upper occupant compartment
Steering column12
Upper hinge pillar max (cm)44
Upper dash (cm)38
Lower instrument panel (cm)33
Head
Peak gs at hard contact
96
Chest maximum compression (mm)
15 |
|
s*****8
发帖数: 606 | 14
最简单的一个办法测试缸体是不是完全损坏不动，用扳手旋转crankshaft，它连接在一
个pully上，驱动drive belt。如有有严重异响或者转不动，那就是完蛋了。
如果可以顺利转动而且没有异响，可以做气缸compression test检查气缸内部有没有严
重磨损。网上有的是教程，难易程度跟车有关
如果compression test所有值都在acceptable的值（这个值也因气缸壁行程有关）那可
以断定你车没什么大问题。 |
|
m***l
发帖数: 264 | 15 dealer先是做的dry compression test，结果所有四个缸的压力值都偏低，尤其是#2和
#3特别低，所以车没法启动
然后dealer说又做了wet compression test， 就是往cylinders里加了些润滑油，结果
再次测试，一切压力都正常了，车也正常启动正常开了
我已经从dealer那里把车开回来了，也没有发现任何问题，dealer会把缸内润滑油的
sample送到lab去test，以确定engine到底有没有问题，不过要等三个星期左右
想知道有没有可能会是什么电路系统的问题呢？车没法启动的两次都是发生在头一天下
了一整天的雨，然后车也停外面，结果第二天早上车就没法启动了 |
|
发帖数: 1 | 16 https://youtu.be/3P1JrTe24AY
It would be a mistake to count out the internal-combustion engine as
yesterday's technology, soon to expire in a puff of exhaust gas.
Electrification is coming, but meanwhile engineers have offered more
innovation for the venerable gas engine in the last three years than they
did in the previous 20. The result is 40 mpg on the highway, from four-
cylinder power plants with the same performance as older V-6s or even V-8s.
Achates Power typifies the new thinking. Its t... 阅读全帖 |
|
c**d
发帖数: 3888 | 17 先给气缸做个 compression test。如果 compression 比较低，没什么办法，除非换气
缸。 老车就凑合开吧 |
|
B*Z
发帖数: 7062 | 18 那为什么dry compression test和wet compression test结果不同？ |
|
y*****e
发帖数: 31 | 19 http://www.video-insight.com/about/careers/
* Software Developer - Recent Graduate
Video Insight is seeking recent graduates of four-year engineering programs
to focus on .NET application development. The position involves expansion of
existing code related to new product features for our enterprise class
video management system. You will be a part of a highly skilled development
team working with the latest technologies related to video compression for
thick, thin, and mobile devices.
Qualifica... 阅读全帖 |
|
h***n
发帖数: 1793 | 20 二手交易风险自负！请自行验证是否合法和一手卡！:
我想卖的物品:
Corel Winzip 17 Standard - Product Key Card
单张面值:
$29.95
可接受价格(必须明码标价！):
$7
物品新旧要求:
brand new
邮寄方式要求:
软件在线下载，实际交易的是解锁码，所以不需要邮寄。
如果要求邮寄的话，请在价格上加上邮费。
买卖双方谁承担邮寄损失(Required if not code only):
邮寄前，我；邮寄后，你。
付款方式说明:
non-cc paypal
其他补充说明:
Introducing WinZip 17 – an all-new version of the world's most trusted
compression software that connects you directly to SkyDrive, Dropbox, Google
Drive, Facebook, Twitter and LinkedIn. The #1 choice in file compression,
WinZip now run... 阅读全帖 |
|
d****a
发帖数: 86 | 21 Yamaha MG82CX 8 Input Stereo Mixer with Digital Effects
http://www.amazon.com/gp/product/B000Z7567A/ref=ox_sc_act_title
Any suggestion or comments on this mixer?
Thanks!
The MG82CX is a compact mixer with 8 total input channels: four mono and
four stereo line inputs. Mono inputs have switchable 48V phantom power.
Stereo inputs can accept either RCA or ¼" connectors. Channels 1 and
2 offer single-knob compression, a Yamaha exclusive. This feature, designed
for easy use, allows inputs with ... 阅读全帖 |
|
d********w
发帖数: 363 | 22 随着大数据的盛行，Hadoop也流行起来。我面过很多hadoop相关的公司，包括一线公司
(hadoop就是公司主要产品)如cloudera, hortonworks, mapr, teradata, greenplum,
二线的（使用hadoop)：apple, expedia，comScore. 当然还有很多公司facebook,
twitter, baidu, 感觉这块还是机会挺多的，我就把我知道的一些给大家分享一下。
书籍和paper
: 里面内容非常好，既有高屋建瓴，又有微观把握，
比如mapreduce各个子阶段，经常问道join在里面也有代码实现，
google的三量马车，GFS, MapReduce, BigTable
入门：
知道MapReduce大致流程，map, shuffle, reduce
知道combiner, partition作用，设置compression
搭建hadoop集群，master/slave 都运行那些服务
HDFS，replica如何定位
版本0.20.2->0.20.203->... 阅读全帖 |
|
d********w
发帖数: 363 | 23 随着大数据的盛行，Hadoop也流行起来。我面过很多hadoop相关的公司，包括一线公司
(hadoop就是公司主要产品)如cloudera, hortonworks, mapr, teradata, greenplum,
二线的（使用hadoop)：apple, expedia，comScore. 当然还有很多公司facebook,
twitter, baidu, 感觉这块还是机会挺多的，我就把我知道的一些给大家分享一下。
书籍和paper
: 里面内容非常好，既有高屋建瓴，又有微观把握，
比如mapreduce各个子阶段，经常问道join在里面也有代码实现，
google的三量马车，GFS, MapReduce, BigTable
入门：
知道MapReduce大致流程，map, shuffle, reduce
知道combiner, partition作用，设置compression
搭建hadoop集群，master/slave 都运行那些服务
HDFS，replica如何定位
版本0.20.2->0.20.203->... 阅读全帖 |
|
n***m
发帖数: 127 | 24 Camera Algorithm Engineer (#6707636)
Apple Inc. is looking for a Senior Camera Algorithm Engineer to work on
image/video processing algorithms for the cameras in Apple's products!
Candidate should have a strong track record of algorithm development for
shipping consumer or professional camera products.
Required Experience:
- Solid understanding of the image signal processing (ISP) pipeline for
image sensors. Experience in the areas of image enhancement, noise reduction
, auto exposure, auto focu... 阅读全帖 |
|
y*****e
发帖数: 31 | 25 Please follow this link to apply:
http://www.video-insight.com/about/careers/
Need 3-4 new developers soon.
* Software Developer - Recent Graduate / Entry Level
Video Insight is seeking recent graduates of four-year engineering programs
to focus on .NET application development. The position involves expansion of
existing code related to new product features for our enterprise class
video management system. You will be a part of a highly skilled development
team working with the latest technologi... 阅读全帖 |
|
z**********r
发帖数: 86 | 26 以下是面经：
电面一：主要是research相关的东西，比如简历上的东西。由于面试官的背景是kalman
filter的，所以问了不少这个问题。另外问了一个Bayesian rule，Gaussian
distribution，sampling method，compressive sensing，bag of words, ransac:
A有两个孩子，问都是男孩的概率，另外如果已知一个是男孩，问另外一个也是男孩的
概率；
如果x是高斯分布，然后问y=2x的分布和y=x^2的分布；
假定有一个data stream，如何uniform sample k个sample；
eigenvalue在corner detection的用处；
little/big endian
电面二：主要是research的问题，比如compressive sensing的各种solver，bagging/
boosting，corner detector，how to detect periodic pattern, convex
optimization, lagrange multiplier
onsi... 阅读全帖 |
|
g******d
发帖数: 152 | 27 自定义输出就好了
def compress(arr, k):
mask = 1
for i in range(k-1):
mask <<= 1
mask += 1
result = 0
for v in arr:
result <<= k
result += v & mask
return bin(result)[2:]
arr = [3, 4, 5, 6]
k = 3
print compress(arr, k) |
|
c*g
发帖数: 634 | 28 尤其欢迎有工作经验的同学。
There are lots of openings available in different areas, including Andriod,
iOS, Web, Windows, AWS cloud, network, machine learning/data analysis,
testing, security, applied scientist, ...
Multimedia background is a plus, including signal processing, image and
video processing, compression, computer vision, audio processing and
compression, multimedia streaming etc.
请感兴趣的同学发简历到[email protected]/* */，谢谢！ |
|
y*****e
发帖数: 31 | 29 http://www.video-insight.com/about/careers/
* Software Developer - Recent Graduate
Video Insight is seeking recent graduates of four-year engineering programs
to focus on .NET application development. The position involves expansion of
existing code related to new product features for our enterprise class
video management system. You will be a part of a highly skilled development
team working with the latest technologies related to video compression for
thick, thin, and mobile devices.
Qualifica... 阅读全帖 |
|
M********I
发帖数: 848 | 30 What is PEX?
PEX is cross-linked polyethylene. Through one of several processes, links
between polyethylene molecules are formed to create bridges (thus the term "
cross-linked). This resulting material is more durable under temperature
extremes, chemical attack, and better resists creep deformation, making PEX
an excellent material for hot water and other applications.
How long has PEX been used?
PEX was developed in the 1960s. PEX tubing has been in use in many European
countries for plumbing,... 阅读全帖 |
|
|
r***o
发帖数: 1526 | 32 plumber就是是锯掉一段管子，然后用compress fitting把新管子接上，
compress fitting我在屋内用过，弄不好的话问题多多，我是信不过，除非是焊上的，
其他
方式都不可靠。比起plumber的方法，我觉得我的方法更可靠 |
|
H******7
发帖数: 34403 | 33 放水，底部钻很多孔，填，每英尺compress到90%，再填再compress |
|
F***Q
发帖数: 6599 | 34
the spring lost compression. just recoil it (be careful which way you turn
to compress the spring, there is only one way that works) |
|
i***e
发帖数: 9429 | 35 用SharkBite 接斗啊，版上去年不是有个mark 贴，用到的就是这种铜的Push-to-
Connect 接头。
也可以使用compression port fittings.
如果原来的冷热水管不是直线下到热水炉接口的话，可以用 compression port
fittings + 软管的方式。 |
|
|
|
发帖数: 1 | 38 求问
【摄像头】$260 LTS LTCMIP3042W-28 4.1MP 2.8mm Fixed Lens High Resolution
True WDR with Matrix IR LED IP66 Rated Indoor/Outdoor Network Dome Camera (
White )
Features: 4.1MP High Definition ; 1/3 CMOS ; [email protected] ; 2.8mm Fixed
Lens ; 1 Matrix IR LED up to 100ft ; 3D DNR, WDR, BLC, VCA ; IP66 ; Junction
Box Sold Seperately ; DC 12V, PoE; Camera Series ; Platinum Series ; Camera
Resolution ; 4.1MP ; Camera Technology ; IP / Network ; Camera Housing ;
Turret ; Featured Product ; No ; Spec... 阅读全帖 |
|
|
R****y
发帖数: 411 | 40 superficial thrombophlebitis, treat with warm compress with ibuprofen. I
would advise against anticoagulant such warfarin. Thrombus will eventually
dissolve or scar down. It takes time and can be frustrating. If she also has
venous incompetence, compression stocking helps, 20-30 mmhg is standard.
DVT is another animal, treatment is different, make sure she doesn't have
that. |
|
h***f
发帖数: 162 | 41 this is probably a compression fracture. why was a ct not done? why was a
mri not done? ct and mri are definitive diagnostic tests for degenerative
pathologies of the spine.
if it is a compression fracture, one has to find the reason for it:
metastatic tumor? trauma? infectious lytic lesion? osteoporosis? calcium
dysregulation secondary to kidney or other metabolic disease? |
|
az
发帖数: 16686 | 42 我觉得对有孩子家庭有用的就摘录下来了，还在网上找了一些资料，希望对大家有帮助
啊，格式比较乱，大家凑合着看，我有doc格式的，需要我可以共享出来。打字打得我
好累啊
1. Adult CPR (8 years of age and older)
a. Compressions: pump blood to the brain and heart. Steps:
i. Kneel at the victim’s side.
ii. Make sure the victim is lying on his back on a firm, flat surface. If
the victim is lying facedown, carefully roll him onto his back.
iii. Quickly move or remove clothes from the front of the chest that will
get in the way of doing compressions and using an AED.
iv. |
|
k***y
发帖数: 475 | 43 Compression socks，超市的药柜那边有的卖。
对我超级有用的，我6个月的时候就开始肿了，OB说的是：少盐，多运动，再加这个
compression socks。
前2条试了2周，也没见什么效果，还差点给我搞成厌食了（菜里既没有盐，也没有糖）
，最后还是上了这种袜子，2天就消了好多，唯一郁闷的是，大夏天的，好热。 |
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x*l
发帖数: 178 | 44 还没有生，看了一些母乳喂养的书，做了些笔记摘要，和大家分享。
Signs of a Good Latch
• Baby’s lips curled outward and firmly applied to your breast.
• If you pull slightly on your baby’s lower lip while he is
suckling, you should see that his tongue is curled up on each side and
cupped around your breast, forming a trough to the back of his mouth. A
large area of his tongue should be in direct contact with the underside of
your breast, massaging it in a wavelike motion that brings the milk into his
mouth with... 阅读全帖 |
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h******t
发帖数: 478 | 45 如何在月子里让胸喂的宝宝多吃一点，
我刚才特意查了一下我生时医院发的小册子，我把有用的那一段给你敲下来吧：
Help your baby stay more alert for feedings
Late preterm infants are sleepier than full term newborns. Unwrap your baby
awake to breastfeed-- often babies get very warm near your body. You may
need to undress baby down to his diaper to awaken or to keep him awake
during a feeding.
Stroke gentlely around the baby's lips and/or massage along the baby's
backbone with your fingertips.
You may need to try different feeding positions to keep your b... 阅读全帖 |
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S******1
发帖数: 1831 | 46 好像叫Cord Compression，我从产课的书上抄的
There are times when the cord can be wrapped around the baby's neck, looped
around the body or caught between the baby's head and mother's bony pelvis.
With a contraction, the cord may be pinched and a decreased oxygen supply is
delivered to the baby. This can be seen on the fetal monitoring device.
This compression can sometimes be relieved with a simple change of position
with the laboring mother. Oxygen is usually given to the mother as well as
positioning her on... 阅读全帖 |
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y***n
发帖数: 11261 | 48 Don't let your infant sleep in the car seat. Credit: andycarvin, Flickr
Parents who think an infant car seat is a good place for their baby to nap
at home should think again -- a new study shows that the devices can lower
oxygen levels in 20 percent of newborns.
Car seats are required safety gear, and you can't leave the hospital with
your newborn without one. But the seats require infants to be placed in an
upright position, which can potentially cause breathing problems in sleeping
babies. A n... 阅读全帖 |
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G******i
发帖数: 5226 | 49 ☆─────────────────────────────────────☆
AngelaSlin (AngelaSlin) 于 (Thu Jul 12 11:31:29 2012, 美东) 提到:
刚生完孩子，但是发现肚子还是很大，像怀孕4个月那么大，这几天都没有消退的行迹
，怎么办？为什么会这样呢？不会不消退吧？
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zheyeah (漫步云端) 于 (Thu Jul 12 11:33:35 2012, 美东) 提到:
慢慢来吧.我生完2个多月了,肚子也还是4,5个月大小呢.
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MarthaSpain (MarthaSpain) 于 (Thu Jul 12 11:33:56 2012, 美东) 提到:
会的 我也是，刚生完，老公玩笑说肚子大的好像里面还有个老二
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EricSwanson (EricSwanson) ... 阅读全帖 |
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s******1
发帖数: 624 | 50 来自主题: NextGeneration版 - 一分钟的表情 好可爱！看着不瘦啊 ：）
3个月一次吃奶一小时太长了，大部分时间只是在舔着玩。你试试喂奶同时breast
compression，加快流速，并且让宝宝可以吃到脂肪多的hind milk.
具体手法可以google " dr. newman breast compression" |
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