b*******y
发帖数: 4304 | 1 find the two quotes from:
http://www.chuckhawks.com/rifle_barrel.htm
"Even .22 rimfire rifles balance better with 20-22 inch barrels, although in
this instance the longer barrel has no ballistic advantage, since the .22
LR cartridge burns all of of its powder in about 16 inches."
"26 inch barrels are usually found on rifles chambered for high velocity
magnum cartridges. A long barrel is required to burn the large amounts of
slow burning powder used in this type of cartridge" |
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s*******n
发帖数: 12995 | 2 小七老师，我不是说了吗，对长枪不懂。
这是我google到的。
“In general, adapting an AR-style rifle to the new cartridge only requires
the replacement of the barrel, bolt and magazine of the 5.56mm-chambered
rifle; but to further streamline and simplify the conversion process many
parts manufacturers sell complete upper receiver assemblies chambered for 6.
8SPC alongside their conversion kits focusing on the key individual parts.
While a complete 6.8SPC assembly is a somewhat more expensive route, the
conversion of an exis... 阅读全帖 |
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g*****h
发帖数: 642 | 3 you should buy this one, I saw this after I bought the S&W from Buds
http://www.classicfirearms.com/long-guns/palmetto-state-armory-
FN Hammer forged chrome molly vanadium, 1/7 twist, M4 barrel extension...
FN 5.56 (.223 ) cal Mil Spec barrel The FN Barrel is made for Palmetto State
Armory by FN using their proprietary blend of Hammer forged chrome molly
vanadium that is referred to as “Machine Gun Steel” by virtue of its use
in FN’s M249 and M240 weapons.
In addition, the chrome process for the... 阅读全帖 |
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a***a
发帖数: 8941 | 4 威力 depends on barrel length, not stock length
For a shotgun, even the barrel length does not affect much of the muzzle
energy
Besides, usually a home defense or tactical shotgun has a barrel length of
18" - 20", which is short.
I guess 500 Bantam has a longer than 20" barrel |
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h*********l
发帖数: 615 | 5 不要吓我 bullpup都有钢板加强保护让气往前跑 网上也很少听说bullpup blow up
The barrel is encased in the trunion, the trunion is encased in the receiver
, the receiver is encased in the stock. If anything blew up, it would not be
the barrel. The weak point would be the bolt. Which at the time of firing
is encased in the trunion, which is encased in the receiver, which is
encased in the stock. You will not blow one of these rifles up. It is an
incredible design. During initial R&D for this project, a single STG-556 was
fed... 阅读全帖 |
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s**e
发帖数: 395 | 6 不会啊，我刚刚用 ar-15 踢狗， 出正常结果
Stag Arms Model 1 AR-15 Semi Auto Rifle .223 Rem/5.56 NATO 16 Barrel
Factory New Stag Arms Model 1 M4 Carbine Specifications Model: 1 Caliber: 5.
56 / .223 Barrel Length: 16" M4 Style Twist: 1:9 Stock: 6 Position ...
Remington R-15 Hunter Rifle 30RAR 22"5RD Camo AR15
$844
from 23 stores
Remington R-15 Hunter Rifle 30RAR 22"5RD Camo AR15
Fluted barrel design reduces weight and promotes rapid barrel cooling.
Receiver length picatinny rail for adding optics. Forend tube dri... 阅读全帖 |
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f****t
发帖数: 15913 | 7 NOt sure about the details. But if you stock stripped lower receivers, AR15
stocks, pistol grips and high capacity mags, you will be safe.
Only other thing left is barrels. AWB barrels may not have muzzle thread or
bayonet lugs. You can stock barrels if you still want these features. But
barrels are very expensive.
evil |
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k*******n
发帖数: 5546 | 8 The United States is the center of gravity for all things tactical. The U.S
market represents 90% of the world market and because of this the world's
premier weapons manufacturers have set up shop here in continental United
States to sell their wears to the military, law enforcement agencies and
private citizens.
However, after world events such as 911 there has been a huge demand for
weapons in the U.S. This placed massive strain on quality control systems of
weapons companies as demand overtoo... 阅读全帖 |
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p******o
发帖数: 1119 | 9 老美的讨论贴。
Chrome moly steel is somewhat of a misleading term as well. There are a lot
of steels in the chrome moly spectrum. 4130,4140,4150,etc are frequently
referred to as chrome moly steel. probably the chrome lined barrel is
already chrome moly steel to start with. However. If you decide to go
nonlined, chrome moly vanadium is a better option, however you would
probably never notice the difference and just waste money for the vanadium.
Here is a link to help explain a little better.
这只在减价中。
ht... 阅读全帖 |
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m********a
发帖数: 1312 | 12 斑竹刀下留人，我只是想问一下各位老枪，当年这个Ban都是啥内容。咱都讲究防患意
识，一旦真的再来一个assault weapon ban，都有哪些东西会禁售，在最后通过前是否
会彻底脱销。
wiki了一下 http://en.wikipedia.org/wiki/Assault_Weapons_Ban
发现上面许多条款跟我们NJ现在的说法也差不太多，除了可能ban更多牌子。
Criteria of an assault weapon
Assault weapon (semi-automatic) refers primarily (but not exclusively) to
firearms that possess the cosmetic features of an assault rifle (which are
fully-automatic). Actually possessing the operational features, such as '
full-auto', is not required for classification as an assau... 阅读全帖 |
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k*******n
发帖数: 5546 | 13 我维基了一下，MK12 SPR 18寸用的确实是douglas的blank.
Navy Seals Recon 的16寸不锈钢关用的是 Lilja blank, chambered by Compass
Lake. 喜欢看电影的弟兄们可以克隆一根。
According to Wes Grant of M.S.T.N. a premiere small arms builder, these
weapons were initially built in-house with the only specifications being the
ability to shoot any 5.56 x 45 mm cartridge in inventory (at the time this
included the first iterations of the 77-grain (5 g) Mk 262 Mod 0 cartridge),
and that the weapon have a barrel 16 inches (406 mm) in length.
The barre... 阅读全帖 |
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v******d
发帖数: 1939 | 14 心里还是放不下我的不锈钢CZ 75B，也许还有springfield XDm，所以刚才去网上研究
了一下Single Shot Exemption(SSE)。
下面是某个老兄在某个论坛说的：
There are only three real criterion to this whole thing:
1) that the pistol overall length exceeds 10.5"
2) that the pistol has to be manually feed 1 round at a time similar to a
blot action rifle.
3) the gun must be fully functional and capable of firing in this
configuration. It cannot be "faux" SSE
So, any participating FFL has 10"+ barrels made for the most popular off-
list models of pistol and "... 阅读全帖 |
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r****2
发帖数: 146 | 15 I have bought a couple of airguns, from break barrel to pcp, from single
shot to multiple shot, from fixed barrel to changeable barrel. And also see
some very nice airgun they are just shooting very accurate, but they cannot
swap barrel to try different calibe.
I'd like to know what you are thinking if you could only have one airgun
what would it be? |
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S**********s
发帖数: 4534 | 16 Does the rifled barrel have a cantilevered optic rail? If not the. It's a no
from me.
If you constantly switch barrels, you can put a low to mid power scope (one
with generous eye relief) on the rifled barrel so it always stays zero. The
whole point of rifled barrel for shotgun is to shoot sabot slugs out to 200
yard, which is a pretty far distance with the shitty open rifle sights
provided on shotguns. |
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h**********n
发帖数: 394 | 17 Wow, thanks for the insight! 全都记到小抄上了.
1)关于Flash hider, 我现在所有的piston guns 都用的是 A2, 除了SCAR 16上的PWS
FSC556, 一直就很喜欢
compensator/ FH combo. 好像Smoth Vortex 和 SureFire 作为FH评价最高，很难选择。
2）barrel 是个大问题。DI barrel 的选择要比 piston AR 复杂多了，你说的FN CHF
1/7 我赞同，因为Adcor BEAR Elite 上使用的基本上也是他们家这一款，精度很让我
满意，只不过可惜是M4 profile。Bravo Company 的枪管和FN 比怎么样？很多朋友都
建议我选择BC 的 Stainless 410. 我一直没用过Stainless barrel AR, 不知道值不值
得牺牲耐用性来提高精度？我平时打的都是$10／盒以下的brass 弹药，极少数在AR上
使用match grade ammo.
3）rail 方面我觉得YHM 2013年的 12.5" SLR 就不错，一共13oz... 阅读全帖 |
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m****s
发帖数: 10867 | 18 来自主题: GunsAndGears版 - 买步枪求教 usually, the length of the shotgun barrel is 18 ~ 28, could be 20, 24, 26
short barrel is good for home defense, long barrel is more accurate for
hunting.
Go and check the ADs in big sports good merchants, like big5, dicks..., they
sometimes offer combo deal, which means one shotgun coming with two barrels.
Could be 18+28, or 24+26, or any possible combination. |
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b*******t
发帖数: 117 | 19 来自主题: GunsAndGears版 - 几把枪 刚买了几把枪
请大家评价一下
主要用于家防，SHTF, 手枪用来carry
Remington Model 870 Express Pump Action Shotgun 20 Gauge 18" Barrel 7 Rounds
3" Chamber Syntheti
GSG AK-47 Semi Auto Rifle .22 LR 16.5" Barrel 24 Rounds Adjustable Sights
Synthetic Stock Black
S&W M&P15-22 A1 Style Comp.22LR Semi-Automatic Rifle 16" Barrel 25 Rounds
Black M4 Collapsible B
CZ P-07 Duty Semi Auto Handgun 9mm Luger 3.8" Plus Extended Barrel 16 Rounds
Polymer Black 91185
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b*******t
发帖数: 117 | 20 来自主题: GunsAndGears版 - 几把枪 刚买了几把枪
请大家评价一下
主要用于家防，SHTF, 手枪用来carry
Remington Model 870 Express Pump Action Shotgun 20 Gauge 18" Barrel 7 Rounds
3" Chamber Syntheti
GSG AK-47 Semi Auto Rifle .22 LR 16.5" Barrel 24 Rounds Adjustable Sights
Synthetic Stock Black
S&W M&P15-22 A1 Style Comp.22LR Semi-Automatic Rifle 16" Barrel 25 Rounds
Black M4 Collapsible B
CZ P-07 Duty Semi Auto Handgun 9mm Luger 3.8" Plus Extended Barrel 16 Rounds
Polymer Black 91185
相应大家的号召 除了上面四只枪 标准大口径ak74 ar又各入了一把 现在火力足了 可
惜弹药也贵了 只
好拿.22练枪了
这下六把枪了 得... 阅读全帖 |
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W********m
发帖数: 7793 | 22 This series of articles describes a model for player development that I call
Stages Of A TAG. I think most players go through a series of stages or
realizations about no-limit hold’em as they improve their games from rank
beginners to decent tight-aggressive (TAG) players and beyond.
In total I have identified 25 stages that I think most players go through,
roughly in order, as they improve. This article begins with Stage 6.
Stage 6. I can semibluff decent draws postflop with essentially no adde... 阅读全帖 |
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T******n
发帖数: 29 | 23 前段时间看到有人说起 Costco 80 gallon的compost tumbler($99), 觉得一个大的并
不方便，买二个的话，种菜成本就上去了，就想着自己做几个。在Youtube查了一下，
发现很多人用55 Gallon的plastic barrel自制Compost Tumbler，就从Craigslist上$
40买了四只barrel。
先是在barrel上开一个16x16英寸的门，给“门框”安了一个wooden frame。这个
wooden frame一是加固这个开口，二是今后在滚动中起到更好地翻动compost的作用。
门的安装，几乎youtube上所有人都用铰页（hinge)和插销，本人不喜欢将门连在一体
，也考虑到今后两只tumbler会装成“上下铺”的形式，因此，改成了现在这种可以拆
装的门，既方便又省钱。然后，用3/8"的钻头在barrel四周钻出很多“通气”孔。
Tumbler的安装架子，每只架子用了一包concrete mix埋了两根2x4-6'的treated wood
，再用一根3/4"的薄壁PVC管和一根EMT铁管套在一起做轴，自制的tumbler... 阅读全帖 |
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G*********2
发帖数: 164 | 24 More about alcoholic beverages / drinks, a simplified and summarized version:
Beer: fermented from grains, such as wheat, corn, or even rice. Alcohol
content: 3% – 10%
Wine: fermented from fruits, such as grape, apple, and etc. Alcohol content:
10% – 20%
The fermentation process is to turn sugar into alcohol. Usually, grain has
less sugar than fruit, that’s one simplified reason why beer has less
alcohol content than wine.
Liquor or spirit: distilled alcohol beverage. Alcohol content: > 20%
The ... 阅读全帖 |
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d********f
发帖数: 43471 | 25 这种理由连我家隔壁3岁小孩都不好意思说出口阿
BP has opened the latest round of its legal battle in the US over the Gulf
of Mexico oil spill by arguing in a court filing that it should pay a final
penalty below $16-18bn (￡10.2 - 11.5bn) being sought, due partly to the
falling price of crude.
In a filing to the Louisiana District Court, the British oil major argued:
“The penalty sought by the US would have a very significant negative
economic impact on BPXP (BP Exploration & Production), particularly in an
economic env... 阅读全帖 |
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m***h
发帖数: 23691 | 26 Mason, a one-year-old terrier mix, had been hiding inside his family's
garage when a tornado barreled through North Smithfield, Ala. on April 27.
His owners ran back into the house to take cover. When they emerged, their
home had been destroyed. The garage was still intact -- but Mason was gone.
"The garage remained intact but the door came off and the dog was sucked out
of the garage," said Dr. Barbara Benhart of Birmingham-Jefferson Country
Animal Control.
The owners searched for days but had ... 阅读全帖 |
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c******g
发帖数: 19294 | 27 【 以下文字转载自 paintball 俱乐部 】
发信人: cengceng (Yeah Yeah, Oi Oi), 信区: paintball
标 题: [合集] 刚刚订了个A5
发信站: BBS 未名空间站 (Wed Feb 16 14:38:43 2011, 美东)
☆─────────────────────────────────────☆
StupidMIT (史密斯和韦森和我) 于 (Mon Sep 27 23:21:17 2010, 美东) 提到:
看中有升级潜力，网上评价也不错。当然最重要的是价钱可以接受。补品只订了个J&J
的20寸管子，貌似t家的那个flatline很受追捧，不过价钱太辣，而且有人说射程增加
但是精度下降。版上有没有用过的说说感受？
另外还有什么有必要升级的地方？暂时不打算进需要用到电池的配件。气瓶大家觉得是
必须得压缩空气还是C02也能凑合？
☆─────────────────────────────────────☆
TMR (要走的上车啰~) 于 (Mon Sep 27 23:40:21 2010, 美东) 提到:
... 阅读全帖 |
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w*******y
发帖数: 60932 | 28 Link:
http://www.pistolandpawn.com/store/smith-wesson-m-p15-or-optics-ready-30-round-341.html
Will not ship to Cali.
Lowest price I've seen ($699 was lowest before this).
Note: This rifle features the flat upper with no iron sites (even gas block
is flat) for the most flexibility with optics.
SKU: 811003
Model: M&P15
Caliber: 5.56 mm NATO / .223
Capacity: 30 Rounds - Detachable Mag
Action: Semi-Auto
Barrel Length: 16"
Barrel Twist: 1 in 9"
Front Sight: None
Rear Sight: None
Overall Length: 35" E... 阅读全帖 |
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w*******y
发帖数: 60932 | 29 This might be the deal of the week. The 1000 Rounds of ammo is work 10K-20K
by itself.
NFA item, will transfer to a dealer near you and you will have to fill out
paperwork and pay a $200 Tax.
Link:
http://cannonsuperstore.com/hispanosuiza.html
The Hispano-Suiza HS.404 was an auto cannon widely used as both an aircraft
and land weapon in the 20th century by British, American, French, the Swiss
Army and numerous other military services. Firing a 20 mm diameter
projectile, it delivered a useful loa... 阅读全帖 |
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w*******y
发帖数: 60932 | 30 CDNN has a couple of CMMG AR-15 upper assemblies on sale this weekend.
The first is an AR-15 M4 Flat Top Upper Assembly for $299:
http://www.cdnninvestments.com/arm4fltopupa.html
.
Product Description (Item # CMMU):
Brand New
AR-15 M4 Flat Top Upper Assembly
16" M4 Contour Barrel
Bayonet Lug
G.I. Birdcage
1-9 Barrel Twist
WASP-Weapons Armored Surface Protection
WASP Coated Chamber & Bore
CANNOT BE SHIPPED TO PEOPLE'S REPUBLIC OF KALIFORNIA!
The other is a AR-15 M4 Flat Top Upper Assembly with Q... 阅读全帖 |
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w*******y
发帖数: 60932 | 31 Link:
http://classicarms.us/shotguns and handguns.htm
Classic Arms has their Draco Pistols in stock again, but I don't know for
how long.
I purchased this because it is the most powerful 'pistol' for the money.
I bought the mini chrome version as I thought it would look nice hanging on
my wall.
All rifles must have a 16in barrel and be 26in long. By classifying this as
a pistol you avoid this restriction as well as the 922r compliance that
applies to the AK-47 rifle.
Draco has a 11.5in barrel an... 阅读全帖 |
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w*******y
发帖数: 60932 | 32 First deal that I have ever posted on here:
Link:
http://palmettostatearmory.com/2557.php
Palmetto State Armory 16" 5.56, M4A1 Hammer-Forged, Chrome-Lined, Patrol
Carbine.
Specs straight from their site:
Finally a complete rifle ready to go with a quality optic for one low price.
Our Patrol Carbine starts with one of our Hammer-Forged, Machine Gun Steel
barrels in the versatile M4A1 profile, mated to our forged aluminum upper,
and finished off with standard handguards and A2 Flash hider. The ... 阅读全帖 |
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w*******y
发帖数: 60932 | 33 First deal that I have ever posted on here:
Link:
http://palmettostatearmory.com/2557.php
Palmetto State Armory 16" 5.56, M4A1 Hammer-Forged, Chrome-Lined, Patrol
Carbine.
Specs straight from their site:
Finally a complete rifle ready to go with a quality optic for one low price.
Our Patrol Carbine starts with one of our Hammer-Forged, Machine Gun Steel
barrels in the versatile M4A1 profile, mated to our forged aluminum upper,
and finished off with standard handguards and A2 Flash hider. The ... 阅读全帖 |
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w*******y
发帖数: 60932 | 34 First deal that I have ever posted on here:
Link:
http://palmettostatearmory.com/2557.php
Palmetto State Armory 16" 5.56, M4A1 Hammer-Forged, Chrome-Lined, Patrol
Carbine.
Specs straight from their site:
Finally a complete rifle ready to go with a quality optic for one low price.
Our Patrol Carbine starts with one of our Hammer-Forged, Machine Gun Steel
barrels in the versatile M4A1 profile, mated to our forged aluminum upper,
and finished off with standard handguards and A2 Flash hider. The ... 阅读全帖 |
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w*******y
发帖数: 60932 | 35 Palmetto State Armory:
http://iway.org/9609261
is offering the AR-15 16" CMV Carbine upper for $399 w/ free shipping and
a Vortec Strikefire Optic ($169 on Amazon, Cabelas, and others)
Add a complete lower, bolt carrier group, and charging handle, and ready for
the next Zombie invasion
Details:An M4 upper and a Vortex Strikefire Optic for one low price!
Barrel: 16" Chrome-lined, chrome moly vanadium. Chambered in 5.56 NATO,
with a 1/7 twist, M4 barrel extension, and a carbine-length gas ... 阅读全帖 |
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y****i
发帖数: 1050 | 36 The first appearance of the Tiger on the Eastern Front was unsuccessful. The
first Tigers were issued to the 1st platoon of the 502 Battalion of Heavy
Tanks (Schwere Panzer Abteilung 502). On the 29th of August 1942, the four
Tigers arrived at the Mga railway station near Leningrad. Early that day,
the tanks were unloaded and prepared for battle. At 11:00 AM, the Tigers
went into their battle positions. Major Richard Merker commanded the platoon
, which included four Tigers, six PzKpfw III Ausf.... 阅读全帖 |
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y****i
发帖数: 1050 | 37 The first appearance of the Tiger on the Eastern Front was unsuccessful. The
first Tigers were issued to the 1st platoon of the 502 Battalion of Heavy
Tanks (Schwere Panzer Abteilung 502). On the 29th of August 1942, the four
Tigers arrived at the Mga railway station near Leningrad. Early that day,
the tanks were unloaded and prepared for battle. At 11:00 AM, the Tigers
went into their battle positions. Major Richard Merker commanded the platoon
, which included four Tigers, six PzKpfw III Ausf.... 阅读全帖 |
|
y****i
发帖数: 1050 | 38 The first appearance of the Tiger on the Eastern Front was unsuccessful. The
first Tigers were issued to the 1st platoon of the 502 Battalion of Heavy
Tanks (Schwere Panzer Abteilung 502). On the 29th of August 1942, the four
Tigers arrived at the Mga railway station near Leningrad. Early that day,
the tanks were unloaded and prepared for battle. At 11:00 AM, the Tigers
went into their battle positions. Major Richard Merker commanded the platoon
, which included four Tigers, six PzKpfw III Ausf.... 阅读全帖 |
|
t*******h
发帖数: 2882 | 39 伊拉克最大油田合同：
http://www.dailymail.co.uk/money/article-1196565/BP-wins-contra
A consortium led by BP and including China's CNPC on Tuesday accepted a
contract to develop Iraq's biggest oilfield, the 17-billion barrel Rumaila
field in the south, Iraq's oil minister said.
The original winner of the bidding for the field, an Exxon Mobil-led
alliance, had rejected the Iraqi Oil Ministry's maximum proposed per barrel
fee for the contract, giving the BP group an opening to take it on.
The BP/CNPC allianc... 阅读全帖 |
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r********n
发帖数: 1162 | 40 30M barrels are only enough for 1.5 days of consumption in USA.
The world production is 80M barrels per day.
US consumption is 20M barrels per day. |
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A*Q
发帖数: 1579 | 42 WASHINGTON (AP) -- Confronted with an economy that has decidedly
underperformed this year, economists are scaling back their growth forecasts
for 2011 and next year.
In their latest forecast, top economists with the National Association for
Business Economics predict that the economy will grow 1.7 percent this year
-- down from the group's May prediction of 2.8 percent expansion. For 2012,
the group is forecasting growth of 2.3 percent, compared to a May forecast
of 3.2 percent growth.
The new s... 阅读全帖 |
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w*********g
发帖数: 30882 | 43 人类文明竞争的主战场：石油金融体系 2012-03-23 07:41:32
http://theeconomiccollapseblog.com/archives/saudi-arabia-and-ch
Saudi Arabia And China Team Up To Build A Gigantic New Oil Refinery - Is
This The Beginning Of The End For The Petrodollar?
The Economic Collapse, 23 March 2012
The largest oil exporter in the Middle East has teamed up with the second
largest consumer of oil in the world (China) to build a gigantic new oil
refinery and the mainstream media in the United States has barely even
noticed it. T... 阅读全帖 |
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o*****t
发帖数: 1540 | 44 这个始末都被监控拍下奸杀了自己代数老师用垃圾桶拉出来抛尸之后又买票去看电影的
的14岁孩子说自己没罪。。。。
(CNN) -- Philip Chism, 14, pleaded not guilty Wednesday to murder,
aggravated rape and robbery charges in connection with the killing of his
high school math teacher, Colleen Ritzer.
The Massachusetts teenager is accused of killing Ritzer, 24, on October 22
in the girls' bathroom of Danvers High School with a box cutter he had taken
to school.
In Wednesday's Superior Court hearing, Chism -- wearing khakis, a blue
sweater, a white shirt and t... 阅读全帖 |
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b********n
发帖数: 38600 | 45 http://www.counterpunch.org/2014/12/01/defending-dollar-imperia
“The Fed’s ‘need’ to take on an even more active role as foreigners
further slow the purchases of our paper is to put the pedal to the metal on
the currency debasement race now being run in the developed world — a race
which is speeding us all toward the end of the present currency regime.”
– Stephanie Pomboy, MacroMavens
“No matter what our Western counterparts tell us, we can see what’s going
on. NATO is blatantly building up its ... 阅读全帖 |
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u***r
发帖数: 4825 | 46 http://www.nytimes.com/2014/12/27/us/falling-oil-prices-have-ri
HOUSTON — States dependent on oil and gas revenue are bracing for layoffs,
slashing agency budgets and growing increasingly anxious about the ripple
effect that falling oil prices may have on their local economies.
The concerns are cutting across traditional oil states like Texas, Louisiana
, Oklahoma and Alaska as well as those like North Dakota that are benefiting
from the nation’s latest energy boom.
Here in Houston, which proudl... 阅读全帖 |
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w********r
发帖数: 3183 | 47 New York law requires the registration of weapons that constitute “assault
weapons” as defined by statute that were lawfully possessed prior to
January 15, 2013.
A semi-automatic pistol that has an ability to accept a detachable magazine
and has at least one of the following characteristics:
o A folding or telescoping stock;
o A thumbhole stock;
o A second handgrip or a protruding grip that can be held by the non-trigger
hand;
o Capacity to accept an ammunition magazine that attaches to the pist... 阅读全帖 |
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l****z
发帖数: 29846 | 48 By Steve McCann
Gasoline has exceeded or approached $5.00 per gallon in some parts of the
United States long before the normal peak travel season has begun. Already
the politicians, headline writers, and some cable and talk show pundits are
pointing to the usual suspects. But they have avoided or are unaware of
where the fault actually lies.
One of the foundational tenets of economics is what is known as the law of
supply and demand. Normally whenever a product or commodity is in short
supply... 阅读全帖 |
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l****z
发帖数: 29846 | 49 能源研究研究所数据，美国可开采石油储藏量是通常引用数字的60倍，够美国消费200年
The US Is Sitting On A 200-Year Supply Of Oil
Rob Wile | Mar. 19, 2012, 10:14 PM |
President Obama has said the U.S. possesses just 3 percent of the world's
oil reserves, or about 22.3 billion barrels, writes Investor's Business
Daily's John Merline.
However, this figure represents just proven reserves.
But one analyst believes he could be off by almost a trillion.
According to the Institute for Energy Research's calculations, the U.S.
actually sits o... 阅读全帖 |
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l****z
发帖数: 29846 | 50 GAO: Recoverable Oil in Colorado, Utah, Wyoming 'About Equal to Entire World
’s Proven Oil Reserves'
By Terence P. Jeffrey
May 11, 2012
(CNSNews.com) - The Green River Formation, a largely vacant area of mostly
federal land that covers the territory where Colorado, Utah and Wyoming come
together, contains about as much recoverable oil as all the rest the world
’s proven reserves combined, an auditor from the Government Accountability
Office told Congress on Thursday.
The GAO testimony said that ... 阅读全帖 |
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