b********l
发帖数: 24 | 1 Please send to l*******[email protected], thanks a lot
AC electro-osmotic mixing induced by non-contact external electrodes
Wang, Shau-Chun (Department of Chemistry and Biochemistry, National Chung
Cheng University); Chen, Hsiao-Ping; Lee, Chia-Yu; Yu, Chun-Ching; Chang,
Hsueh-Chia Source: Biosensors and Bioelectronics, v 22, n 4 SPEC. ISS., Oct
15, 2006, p 563-567
Electro-osmotic pumping on application of phase-shifted signals to
interdigitated electrodes
Cahill, Brian P. (Nanotechnology Group, Swiss |
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c*********r
发帖数: 19468 | 2 pros:
me-monocoque chassis
good value when compared with the lfa
a lot lighter & more powerful than the murcielago
ok powertrain tech when compared with aston martins
electro-coupling replacing the old visous unit
good looking
cons:
not-so-good value when compared with the mp4-12c
too much old-school powertrain tech, inferior to ferraris'
(no DI, no DCT, lower specific output & bmep, etc.)
the electro-coupling provided by Haldex
looks like a reventon mk2 |
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p********3
发帖数: 5750 | 3 INTRODUCTION — The word "acupuncture" is derived from the Latin words "acus
" (needle) and "punctura" (penetration). Acupuncture originated in China
approximately 2000 years ago and is one of the oldest medical procedures in
the world.
Over its long history and dissemination, acupuncture has diversified and
encompasses a large array of styles and techniques. Common styles include
Traditional Chinese, Japanese, Korean, Vietnamese, and French acupuncture,
as well as specialized forms such as hand,... 阅读全帖 |
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u***r
发帖数: 4825 | 5 http://www.ft.com/cms/s/0/641815b4-1de7-11e0-badd-00144feab49a.
By Robin Harding in Washington
Published: January 12 2011 02:10 | Last updated: January 12 2011 02:10
The US is going to match Chinese terms with cut-price export financing for
the first time to help General Electric win an order for 150 diesel-electric
locomotives from Pakistan.
With Hu Jintao, China’s president, due in Washington next week, the move
suggests Barack Obama, US president, will continue to push China to follow
global ... 阅读全帖 |
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c**i
发帖数: 6973 | 6 US Missile Defense Agency (MDA) towed a Sea-Based X-Band Radar (SBX) to
Vigor Shipyard on Harbor Island of Seatle for three months of work. So local
newspapers print photos of it (radar).
A Brief History of Sea-Based X-Band Radar-1. MDA History Office, May 1, 2008.
http://www.mda.mil/global/documents/pdf/sbx_booklet.pdf
("The SBX-1 serves as the largest and most sophisticated phased array
electro-mechanically steered X-band radar in the world. * * * the radar can
track objects as they fly toward... 阅读全帖 |
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c**i
发帖数: 6973 | 7 Note: News release today from Defense Security Cooperation Agency (DSCA), US
Department of Defense:
(1) Transmittal No. 11-19:
"The Taipei Economic and Cultural Representative Office in the United States
has requested a possible sale for the continuation of a pilot training
program and logistics support for F-16 aircraft at Luke Air Force Base,
Arizona to include flight training, supply and maintenance support, spare
and repair parts, support equipment, program management, publications,
document... 阅读全帖 |
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p******y
发帖数: 3742 | 8 The Taipei Economic and Cultural Representative Office in the United States
has requested a retrofit of 145 F-
16A/B aircraft that includes sale of: 176 Active Electronically Scanned Arra
y (AESA) radars; 176 Embedded
Global Positioning System Inertial Navigation Systems; 176 ALQ-213 Electroni
c Warfare Management
systems; upgrade 82 ALQ-184 Electronic Countermeasures (ECM) pods to incorpo
rate Digital Radio
Frequency Memory (DRFM) technology or purchase new ECM pods (AN/ALQ-211(V)9
Airborne In... 阅读全帖 |
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Y****g
发帖数: 662 | 10 Fake palm tree makes residents scared
http://realestate.aol.com/blog/2012/11/16/cell-towers-near-home
Cell Towers Near Homes? Battle in Mesa, Ariz., Typifies Fears Nationwide
By Krisanne Alcantara | Posted Nov 16th 2012 7:05PM
33 Comments
513376011
Share on Tumblr
Though palm trees evoke an idyllic desert oasis, that's hardly the case for
frustrated residents of Mesa, Ariz. That's because a "palm tree" set to be
planted in the Phoenix suburb isn't what it seems: It's a camouflaged
cellular tow... 阅读全帖 |
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g*****1
发帖数: 666 | 11 NYT也加入打脸？
印度经济衰退暴露国家深层顽疾
KEITH BRADSHER 2013年09月06日
Santosh Verma for The New York Times
印度孟买一家铝线厂的工人。
印度孟买——印度经济乱了阵脚，未来几个月的经济前景可能还会更加惨淡。经济学家
是这么预测的，商界人士也是这么感觉的。孟买的进口电脑硬盘批发商维诺德·瓦尼戈
塔(Vinod Vanigota)说，过去两周里其销售额下降了四分之一。近些天来，印度货币卢
比波动极大，以至于他开始每隔半小时就更新一次价目表。
瓦尼戈塔是Chip Com Traders公司的董事总经理兼合伙人，由于该公司的业务显著放缓
，已经有运输公司跑来乞求生意了。瓦尼戈塔说，“其中一家公司今天打来电话问，‘
难道您今天没有任何类型的包裹需要我们运送吗？’”
孟买的安森斯电气机械公司每家工厂不超过50名工人，以规避劳工法规。
在中国和东亚地区，经济的高速增长把亿万人口从贫困中解放了出来，而印度原本似乎
马上要踏上同样的高速增长之路。
这个梦想现在受到了经济衰退的威胁。一些并未在前不久的繁荣时期中受到关注，却又
长期存在的问... 阅读全帖 |
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a*****8
发帖数: 38 | 12 Position: Chief Engineer
Direct Report to: R&D Director
Work Location: Shanghai
Position purpose:
• We are looking for a technical expert with the position of Chief
engineer, in the design of Base Station Antennas and related research.
Responsibilities:
• Has design/research experience in BSA(Base Station Antenna) and
can provide technical direction to help RF engineers solving technical
issues.
• Can provide technical training to application engineers a... 阅读全帖 |
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x*****u
发帖数: 6559 | 13
你是说这些人么？
Isaac Newton Founder of Classical Physics and Infinitesimal Calculus
Anglican (rejected Trinitarianism, i.e., Athanasianism;
believed in the Arianism of the Primitive Church)
Galileo Galilei Founder of Experimental Physics Catholic
Nicolaus Copernicus Founder of Heliocentric Cosmology Catholic (priest)
Johannes Kepler Founder of Physical Astronomy and Modern Optics
Lutheran
Francis Bacon Founder of the Scientific Inductive Method Anglican
René Descartes ... 阅读全帖 |
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b********e
发帖数: 431 | 14 01. The Smiths – The Queen Is Dead
02. The Beatles – Revolver
03. David Bowie – Hunky Dory
04. The Strokes – Is This It
05. The Velvet Underground – The Velvet Underground & Nico
06. Pulp – Different Class
07. The Stone Roses – The Stone Roses
08. Pixies – Doolittle
09. The Beatles – The Beatles
10. Oasis – Definitely Maybe
11. Nirvana – Nevermind
12. Patti Smith – Horses
13. Arcade Fire – Funeral
14. David Bowie – Low
15. PJ Harvey – Let England Shake
16. Joy Division – Closer
17. Public Enemy ... 阅读全帖 |
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G*******n
发帖数: 6889 | 15 脚踏两条船，要踏稳，是真本事：这么多nano这个electro-chemical那个，估计很多跟
米果“国家安全”沾上边，一点都不能让中国籍伊朗籍的学生学者接触，自己得看的紧
，米犹肯定看的更紧 |
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g*****y
发帖数: 169 | 16 China has recently launched a series of satellites to support its ASBM
efforts:
Yaogan-VII electro-optical satellite - 9 December 2009
Yaogan-VIII synthetic aperture radar satellite - 14 December 2009
Yaogan-IX Naval Ocean Surveillance System (NOSS) constellation (3 satellites
in formation) - 5 March 2010.[27]
Yaogan-XVI Naval Ocean Surveillance System (NOSS) constellation - 25
November 2012
China is reported to be working on an Over-the-horizon radar to locate the
targets for the ASBM. |
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x****u
发帖数: 12955 | 17 yes, very dumb design. I would have used a wireless induction charging
function, and a electro-magnet in the pencil that only active when charging,
so it can magnetically attach to the pad.
At very least, they should have created a hole on one edge to insert the
pencil for charging and storage. |
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e*******n
发帖数: 4912 | 18 高能物理的绝唱
作者是王孟源，哈佛高能物理博士
现代高能物理始於1940年代的量子场论（Quantum Field Theory），最初的应用是以
量子电动力学（Quantum Electro-Dynamics，QED）来解释电磁力。
在1950年代，加速器的技术突飞猛进，数以百计的高能粒子被发现；物理学家在整理
这些粒子的时候，注意到各种对称性（Symmetry），其中最深奥困难也最重要的是规范
对称性（Gauge Symmetry）。其实QED本身就是一个规范场论，但是它只是规范场论中
最简单的一种，叫可交换规范场论（Abelian Gauge Theory）。
1954年，杨振宁和他的学生Robert Mills解决了非交换规范场论（Non-Abelian
Gauge Theory）的难题，高能物理理论界随即注意到用非交换规范场论来解释弱作用力
和强作用力（宇宙中只有四种作用力：电磁力、弱作用力、强作用力和重力）的可能，
但是具体的细节还不清楚。
1961年，当时在哈佛大学物理系的Sheldon Glashow领悟到电磁力和弱作用力如何混
... 阅读全帖 |
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发帖数: 1 | 19 美国对台军售F-16A/B升级的清单：
The Taipei Economic and Cultural Representative Office in the United States
has requested a retrofit of 145 F-
16A/B aircraft that includes sale of:
176 Active Electronically Scanned Array (AESA) radars;
176 Embedded Global Positioning System Inertial Navigation Systems;
176 ALQ-213 Electronic Warfare Management
systems; upgrade 82 ALQ-184 Electronic Countermeasures (ECM) pods to
incorporate Digital Radio Frequency Memory (DRFM) technology or purchase new
ECM pods (AN/ALQ-21... 阅读全帖 |
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m**c
发帖数: 7349 | 20 Organic contrast
OLED stands for Organic Light Emitting Diode. Each pixel in an OLED display
is made of a material that glows when you jab it with electricity. Kind of
like the heating elements in a toaster, but with less heat and better
resolution. This effect is called electroluminescence, which is one of those
delightful words that is big, but actually makes sense: "electro" for
electricity, "lumin" for light and "escence" for, well, basically "essence."
What's the "organic" part? The specifi... 阅读全帖 |
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m**c
发帖数: 7349 | 21 A dizzying array of genre-bending sounds has emerged from the Beijing
underground: hybrids of electro dream-pop, post-punk, instrumental math rock
, noise music and post-rock.
The acts vary in instrumentation from standard four-pieces to wild bands
with tin whistles, Irish fiddles and traditional Chinese instruments. It’s
a remarkably eclectic scene, and well worth checking out – just don’t
expect to find rebellion in the mix. |
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c*********e
发帖数: 774 | 22 据说10万阿拉斯加人一张electro college票，50万纽约人才一张，这种制度搞到最后
就是生产力落后地区要挟生产力先进地区，难怪美国没有进步。以后选总统其实就在
rust belt投票就够了。 |
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K*****2
发帖数: 9308 | 24 少于三首的可以认为没有人生
https://www.youtube.com/watch?v=pzaMD02BzWg
01 00:00 Blink-182 - All The Small Things
02 00:20 Madonna - American Pie
03 00:30 ATC - Around The World (La La La La La)
04 00:50 U2 - Beautiful Day
05 01:10 Britney Spears - Born To Make You Happy
06 01:20 The Corrs - Breathless
07 01:30 Crazy Town - Butterfly
08 01:40 *NSYNC - Bye Bye Bye
09 01:50 Red Hot Chili Peppers - Californication
10 02:00 LeAnn Rimes - Can't Fight The Moonlight
11 02:20 Kelis - Caught Out There
12 02:30 Mr. C ... 阅读全帖 |
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发帖数: 1 | 26 美海军今年5月开建首艘伯克III驱逐舰，雷达性能提升30倍，并能同时追踪4800个目标
Navy Will Start Construction in May on High-Tech Flight III DDG 51 Arleigh
Burke-Class Destroyer
The National Interest
Kris Osborn
January 18, 2018
The Navy will start construction of its first next-generation, high-tech
Flight III DDG 51 Arleigh Burke-Class Destroyer in May of this year - as
part of its broad service plan to deploy a new fleet of technically advanced
warships able to fire new weapons, better detect enemy attacks and prepare
for a high... 阅读全帖 |
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b********n
发帖数: 38600 | 27 For now, seems the value proposition of added gizmos is not moving the
purchasing needle.
Email, apps, voice, text, photo/video, music = core deliverables.
You will notice photos/video seems to be the big push in all their marketing.
Honestly, ask yourself...I did....A better quicker faster selfie or BS
posting to Youtube or photo's ain't moving my needle.
For the cost, I never felt the need to increase my status with the handheld
device. Is an incremental longer battery going to move my needle?... 阅读全帖 |
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f********4
发帖数: 2883 | 29 f*** yeah hong kong.
Joke's on them...
Morons
Oh no guys u can do better thanks though
Be careful what you wish for
Yikes. They need to be waving their flag.
As a latinamerican, I find this utterly disgusting. Stupid HKers have no
idea that democracy comes with a torture manual. They are all ignorant
morons. I can't care less about their struggle from now on. Anything is
better than yankee democracy.
0
Father, forgive them, for they do not know what they are doing."
lol wannabe americans. we wan... 阅读全帖 |
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f********4
发帖数: 2883 | 30 两个星期前德州发生白人至上主义者枪击案，打死21个，大部分是西语裔，大多数是美
国居民，但也包括非美国居民只是过境来买东西的墨西哥人。这个枪手在他的宣言里专
门解释了为什么目标是西语裔，因为他们大量入侵德州，必将很快完成对德州白人国家
白人州的种族大取代，而墨西哥人虽然不是美国居民，但是也该被preventative(预防
性)地作为枪杀目标，以吓阻他们移民美国的倾向。
当时我看了这个宣言后立即按照这个逻辑，为美国白人杀手们发现了下一个目标 – 香
港人。（同时我为加拿大的白人杀手找到的下一个目标是，温哥华以香港人等中国人为
主要居民的列治文市，这个下文再表）. 我打算写的文章题目就是：美国白人杀手的下
一个目标会不会是香港人？因为香港人正在轰轰烈烈地进行着成为美国第51州运动，在
他们的抗议示威游行中大肆挥舞美国国旗，唱美国国歌，都报道到全世界去了。香港这
整整7百多万人，岂不是比墨西哥人对美国白人国家是更大的大取代威胁? 即使他们还
没有成为美国移民，都应该preventatively被作为吓阻目标实施枪杀？而香港那个弹丸
之地，人口这么大的密度，要射杀起来基本不会出现任何coll... 阅读全帖 |
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s***e
发帖数: 1272 | 31 http://www.fprado.com/armorsite/abrams.htm
.........
The Gunner's Primary Sight-Line of Sight, GPS-LOS, has been developed by the
Electro-Optical Systems Division of Hughes Aircraft Company. The M1 and
M1A1 Abrams tank have a GPS-LOS with a single axis stabilized head mirror.
.............
炮长瞄准镜只有单轴稳定。
现在普遍都是双轴稳定了。 |
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v**e
发帖数: 8422 | 32 简氏防务周刊：中国SD-10A空空捣蛋采用主/被动双模式制导，威力比原来预想的更加
强大（英文）
作者：huitong 发表日期：2010-11-29
Jane's Defence Weekly
China's SD-10 claimed to be a dual-mode AAM.
Robert Hewson Jane's Air-Launched Weapons Editor - Zhuhai, China
China's SD-10 medium-range air-to-air missile (AAM), as exhibited at Airshow
China earlier in November, may be a considerably more capable weapon than
was hitherto believed, Jane's understands.
Officials from the SD-10's manufacturer, the Luoyang Electro-Optical
Technology Development Center... 阅读全帖 |
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v**e
发帖数: 8422 | 33 简氏防务: 英国为伊丽莎白号航母开发的电磁弹射系统即将完成
Converteam develops catapult launch system for UK carriers
26 July 2010
The UK Ministry of Defence (MoD) is investing in the development of an
electromagnetic catapult system for the Royal Navy's Queen Elizabeth-class
aircraft carriers in case procurement of the F-35B short take-off/vertical
landing (STOVL) version of the Joint Strike Fighter is abandoned.
Power conversion specialist Converteam UK announced on 20 July that in 2009
it was awarded a GBP650,000 (USD1 m... 阅读全帖 |
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a*****s
发帖数: 6260 | 34 详细列表出来了，这次米帝价格是很实在的。弄完之后对岸现有的F-16将会
是世界上空战性能最好的F-16之一。雷达、电子战、对地攻击能力大幅加强，
换发后推力大幅增加，加上新的军械。老实说会比我鳖现有27SK、11和10A组
成的三代机队强不少，跟我鳖在试验中的10B水平相当。考虑到交货和改装的
时间，正好就是我鳖三代改进型入役的同时。所以，到时候两岸水平还是相当。
不过如果黑丝真的2018年量产，则对岸仍然木戏。
176 Active Electronically Scanned Array (AESA) radars;
主动相控阵雷达。以前有报道，专门给F-16开发的AESA雷达。酋长国的BLK60
上才开始有的。这个东西比我鳖三代机的装备还是好多了，在BVR上能占上风。
176 Embedded Global Positioning System Inertial Navigation Systems;
改进的导航系统。这个如今是标配了。
176 ALQ-213 Electronic Warfare Management systems;
电子战自动管理系统，减轻飞行员负担。这个如... 阅读全帖 |
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r********n
发帖数: 7441 | 35 Iran Missile Milestones
http://www.iranwatch.org/wmd/wponac-missilemilestones.htm
Updated July 2011
1985: Then-speaker of the Iranian Majlis Ali Akbar Hashemi Rafsanjani leads
a high-level delegation to Libya, Syria, North Korea and China, reportedly
to acquire missiles.
1985: Iran receives its first Scud-Bs from Libya.
1987: China sells Iran "Silkworm" anti-ship cruise missiles.
1987: Iran reportedly receives approximately 100 Scud B missiles from North
Korea. Iran had allegedly agreed to finan... 阅读全帖 |
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e*c
发帖数: 395 | 36 海水变油，成本3到6刀一加仑。预计8到10年后可以海试。这个成了以后是不是驱逐舰
也能靠航母加油了？
http://www.nrl.navy.mil/media/news-releases/2012/fueling-the-fl
Fueling the Fleet, Navy Looks to the Seas
09/24/2012 07:00 EDT - 117-12r
Contact: Daniel Parry, (202) 767-2541
Refueling U.S. Navy vessels, at sea and underway, is a costly endeavor in
terms of logistics, time, fiscal constraints and threats to national
security and sailors at sea.
In Fiscal Year 2011, the U.S. Navy Military Sea Lift Command, the primary
supplier of fuel and oil to ... 阅读全帖 |
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g**1
发帖数: 10330 | 37 http://www.indianexpress.com/news/us-offers-help-for-next-gener
US offers help for next generation aircraft carrier
The United States has offered to develop the next generation aircraft
carrier technology with India, visiting deputy secretary of defence Ashton
Carter said Wednesday.
The technology on offer, Electro Magnetic Aircraft Launch System, will be a
quantum leap for the Indian Navy that currently relies on the Russian ski-
launch technology. |
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a******g
发帖数: 13519 | 38 资料图：与前2架原型机相比，2011号歼20更换了新涂装，在机头处新增了EOTS光电瞄
准探头。图为打开弹舱进行地面测试的2011号歼20原型机。
1月18日，一架编号为2011的全新歼20在网上曝光。首飞时隔三年，从2001和2002直接
跳跃到2011，或许意味着歼20的研发进入了一个新阶段。
几张不甚清晰的照片显示，2011号机一改“黑丝带”墨绿色涂装，采取了类似美国F-22
的灰色隐身涂料。
综合坊间多位分析人士的意见，2011号机在外观上，至少有10处与歼-20前两架验证机
不同。其中尤为引人瞩目的有三点——一是整体式座舱盖内加装加强框，二是机头下方
安装有黄色EOTS传感器（可能为预留位置），三是进气口结构出现了明显变化。
钱报军情记者邀请著名航空专家宋心之，以及超级大本营军事网站主编李小健，对被网
友唤作“董瑶瑶”的2011号机换上的“新行头”，一一加以解读。
专家们认为，2011号机的这些改进，对于歼-20而言，少数是对前两架验证机不成熟设
计的调整，但是总体而言，隐身性、机动性、发动机效率和航空电子系统，均获得了不
同程度的完善。
座舱盖加框走回头路？
穿盖弹射、隐身... 阅读全帖 |
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f*******e
发帖数: 1061 | 39 Images posted in Chinese online forums in late December 2016 show for the
first time a Xian Aircraft Corporation (XAC) H-6K bomber carrying what
appear to be six 250 kg bombs on each of its six under-wing pylons for a
total of 36 bombs: a new demonstration of the aircraft's strike capabilities.
First revealed in 2007, the Aviadvigatel D-30KP turbofan-powered H-6K was
developed to primarily carry under its wings six nuclear/non-nuclear CJ-10A
(KD-20) land-attack cruise missiles, each of which has... 阅读全帖 |
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发帖数: 1 | 40 科学试验揭秘：植物能看穿人类谎言
【正见新闻网2017年07月26日】
图：巴克斯特试验揭示了，动物植物也是有意识的。
如果有人告诉你，你家里养的那盆花对你产生了感情，你说的谎话，你的喜怒哀乐它都
知道，你可能不会相信；又或者跟你说，当你早上煮个鸡蛋来吃的时候，其他的鸡蛋会
害怕的瑟瑟发抖，你也许会觉得那很荒谬。但是，有一位专家已经用大量的试验数据，
证实植物、物质都是有思维，有感情的。对此，你一定会感到震惊！
很多人都在思索甚至争论一个问题，除了人以外，动物植物是否有意识、有灵魂？史上
一个非常著名的试验——巴克斯特试验，揭开了这个谜底。
巴克斯特，全名克里夫．巴克斯特(Cleve Backster)，他曾经是美国中情局资历十分深
厚的测谎专家。在人类心理测谎领域有将近18年的专业研究，在当时是全世界这一领域
里的顶级专家。
1966年2月，巴克斯特在无意中发现〝巴克斯特效应〞，彻底颠覆了他的观念和对世界
的看法。
巴克斯特的偶然发现植物也有思维
实验是一次偶然的经历中开始的。一天，巴克斯特的秘书买了一株龙舌兰，放在了他的
工作室里，这成为了巴克斯特第一次的养花经历。
1966年2月... 阅读全帖 |
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f*******l
发帖数: 8811 | 41 32岁的加州Newport Coast居民Neil Felahy，于11月20日承认犯下了密谋和参与贩卖假
冒芯片欺骗美国海军的罪行。根据量刑准则，他将面临入狱30到51个月，正式判决将在
明年宣布。
Neil Felahy，与妻子Marwah Felahy和妹妹Mustafa Abdul Aljaff，用不同名字创
建了多家芯片经纪公司，包括MVP Micro、Red Hat Distributors、Force-One Electro
nics和Pentagon Components。
根据起诉书，他们以不同方式，不同途径贩卖仿制集成电路。首先，他们从中国的
供应源取得仿制集成电路，通过互联网将这些芯片进口到美国。然后他们打磨掉原有的
标记，贴上其它品牌商标，标上更高级别甚至军用级别的证明。伪造的芯片被卖给美国
海军海上系统司令部，负责维护美国海军军舰和系统的机构，还被出售给了一个未具名
的真空吸尘器制造商。
美国司法部的新闻稿(PDF)称，被告从中国和香港进口了大约13,073个芯片，估价为
$140,835.50。芯片被贴上了富士通、Analog Devices、Atmel、意 |
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i*****y
发帖数: 3449 | 42 呵呵，你还真别以为我支持OBAMA，对我来说罗姆尼和奥巴马两个人上台没差。我分析
奥巴马这次稳赢是经过分析的，electroal vote 上面奥巴马还是领先ROMNEY很多的。
如果romney不能在辩论中把OBAMA打得丢亏卸甲他基本上就没有胜算了。
另外，哥哥给你一些背景知识教育，同性恋是超宗教信仰，政治观点的。共和党里面的
GAY不要太多啊，最典型的就是那个科州保守派福音牧师 TED HAGGARD。号称自己和
BUSH的分歧就是BUSH开FORD，他开CHEVEROLET，最后发现嫖男妓。同性恋里面尤其是白
人男性同性恋里面支持共和党的也并不少，因为同性婚姻这回事，同志圈里面的玩家们
根本是不CARE的，就像很多中国的男同志一方面和老婆结婚，让老婆带孩子伺候自己，
一方面到外面去胡搞。 等老了再让老婆伺候自己，共和党里面有很多这样的人。同志
圈里面争取婚姻权利的，恰恰是同志圈里面的保守派。
同性婚姻这回事，说到底还是会通过，这和民主党和共和党上台没什么关系，说到底，
是美国年轻选民越来越支持同性婚姻，这些人取得投票权后，无论哪个党上台都没办法
不推行同性婚姻，罗姆尼一个商人，... 阅读全帖 |
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发帖数: 1 | 43 尼古拉·特斯拉 （塞尔维亚裔美籍科学家） 编辑
尼古拉·特斯拉（Nikola Tesla，1856年7月10日~1943年1月7日），塞尔维亚裔美籍发
明家、机械工程师、电气工程师。他被认为是电力商业化的重要推动者之一，并因主持
设计了现代交流电系统而最为人知。在迈克尔·法拉第发现的电磁场理论的基础上，特
斯拉在电磁场领域有着多项革命性的发明。他的多项相关专利以及电磁学的理论研究工
作是现代的无线通信和无线电的基石。[1-2]
中文名 尼古拉·特斯拉 外文名 Nikola Tesla、Никола Тесла 别 名
尼科·特斯拉（Niko Tesla） 国 籍 奥匈帝国（后移民美国） 民 族 塞尔维亚
族（南斯拉夫人） 出生地 克罗地亚 出生日期 1856年7月10日 逝世日期 1943年1月7
日 职 业 发明家、机械工程师、电气工程师 毕业院校 格拉茨理工大学（实际未毕
业） 信 仰 塞尔维亚东正教 主要成就 交流电系统、无线电系统、无线电能传输、
雷达、放大发射机 代表作品 《My Inventions》《The Dynamic Theory of... 阅读全帖 |
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b********6
发帖数: 35437 | 45 http://www.npr.org/2011/02/08/133594656/no-electronic-flaws-in-
The Obama administration's investigation into Toyota safety problems has
found no electronic flaws to account for reports of sudden, unintentional
acceleration and other safety problems. Government investigators said
Tuesday the only known cause of the problems are mechanical defects that
have been addressed by previous recalls.
The Transportation Department, which was assisted by engineers with NASA,
said its 10-month study of Toyo... 阅读全帖 |
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d***a
发帖数: 13752 | 46 你说的还是Audi做的比BMW好，这个我也说过，总体上来说没错。但Audi的设计也有明
显的弱点，它的反应模式是固定的。具体说，Torsen差速器一般提供1:3的Torque分配
，如果两轮间的Torque差别过大，也会出现打滑，这时就不如电控系统了。
泛一点说，纯机械系统在适合它的简单应用下，确实比机电系统反应快，这是没有疑问
的。机电系统的瓶颈也是在机械的actuator。但有两点。一是机电系统做得好，也能接
近于机械的反应速度。第二，如果反应模式复杂，那么机械系统就做不出来，或延迟也
有不小的延迟。并不是所有的机械系统都是纯刚性的。
这个Fiat在2002年做了，2009年投产。前面说过，机电系统的设计还有很多潜力可挖。
http://en.wikipedia.org/wiki/Multiair
Multiair (or Uniair) is an electro-hydraulic variable valve actuation
technology controlling air intake (without a throttle valve) in petrol or
... 阅读全帖 |
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t*****y
发帖数: 296 | 48 小弟最近突然对F1产生了兴趣，整理了一些有趣的信息与大家分享一下：）
A modern Formula One car is a single-seat, open cockpit, open wheel racing
car with substantial front and rear wings, and an engine positioned behind
the driver.
Engine
Aluminum and iron alloy
2.4L naturally aspirated V8, no turbo-charge
18,000 rpm limit, normally working range 8000~18000 rpm
730 hp (544 kW)
Top speed 350 km/h (190 mph)
Over 1750 kW of heat, reach 1,000 °C (1800 °F) at running
F1 engine consumes 650 liters (172 gallons) of air every second, 75 ... 阅读全帖 |
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a*****t
发帖数: 151 | 50 how do you feel about the electro-mechanic steering? that's one thing I
really concerned as the steering wheel is not feedbacking the real response
from the road but a "simulation". |
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