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The VCL method and the displacement method are used to calculate the Stress Intensity Factors of semi-elliptical surface crack at the root of pipe screws, on the basis of which a simplified calculating model for screws contact is put forward so as to analyse the fracture intensity for oil drill pipe screw coupling. For the semi-elliptical surface crack with different shape and deep ratio at the root of female and male screws and the corner of male flange, the SIF has been studied systemically under inter-pressure, tension, bend and torsion loads and the approximate formulas encluding the structure parameters of oil drill pipe screw coupling, deep ratio and the shape parameters of surface crack are developed.

对工程实际中的多种石油钻杆接头螺纹连接件，就公螺纹齿根、母螺纹齿根、公螺纹台阶转角处存在的不同形状、不同厚度比的半椭圆表面裂纹，在拉伸、内压、弯曲、扭转多种载荷作用下的应力强度因子作了系统研究，在大量有限元计算基础上，建立了包含接头结构参数、裂纹形状、厚度比在内的近似计算公式。

Mainly; The export of deep processed product represented by furniture increases rapidly, but the international Chinese wood furniture anti-dumping situation is serious; Log, saw material, paper, paper pulp still forest products imported to rely on product mainly The overall state of international trade of the wooden forest products in China is shown as: It result in seriously imbalance between supply and demand not domestic last international market raw materials import not alleviating; The comparative advantage of processing industry represented by labor intensity is remarkable, the exit increase for the panel products (the plywood , single-board ); The international competitiveness of the deep processed product improves progressively , the international competition contradiction still exists; The lasting unfavorable balance of revenue and expenditure of trade, is the strong support index of coordinating the whole China's favorable trade balance..

中国木质林产品国际贸易总体状况表现为：国内供需矛盾导致严重依赖国际市场原材料进口缓解；以劳动密集为代表的加工业比较优势显著，板材产品出口增加；深加工产品国际竞争力逐步提高，仍存在国际竞争矛盾；贸易收支持续逆差，是协调整体中国贸易顺差的有力支撑指标。

Expert knowledge: deep sea fish oil to deep-sea salmon as raw material derived, is rich in OMEGA-3 (Omega -3) fatty acids, which is a kind of polyunsaturated fatty acids, including eicosapentaenoic acid, docosahexaenoic acid and linolenic acid, can effectively regulate blood lipids, promote health.

专家常识：深海鱼油以深海三文鱼为原料提炼而成，含丰富的OMEGA-3（奥米加-3）脂肪酸，它是一种多元不饱和脂肪酸，包括二十碳五烯酸、二十二碳六烯酸及亚麻酸，能有效调节血脂、促进健康。

Concrete transport pump, asphalt paver, vibratory roller, road roller, piling machine, tunnel drilling robots, large concrete mixer, urban multi-level parking lot and anti-sandstorm, high frigid-resistant, large hoisting, mine-probing, rock-drilling, deep-digging, deep-laying equipments and their accessory products.

混凝土输送泵、摊铺机、压路机、压桩机、隧道凿岩机器人、大型混凝土搅拌机、城市立体停车库以及抗风沙、耐高寒、大吨位的起重、探矿、凿岩、深挖、深埋设备及配套产品。

Infrared radiation resonance by the way that fat cells do resonance massage, soften fat and produce micro-heat, promoting blood circulation, and can activate skeletal muscle and promote body metabolism; rich negative ions as the body immersed in the forest, so you reborn; skin beauty , the deep pore cleansing, and may strengthen the deep penetration of marine products absorption, whitening, moisturizing, increasing skin elasticity and prevent wrinkles and so the effect; Body connection, open the skin pores and heating the body functions, to promote the body metabolism .

红外线由放射共振方式使脂肪细胞做共振按摩，软化脂肪与产生微热，促进血液循环，并能活化肌肉骨骼，促进全身新陈代谢；丰富的负离子就像全身浸在森林中，让你脱胎换骨；美肤方面，深入清洁毛孔，并可强化对海洋性产品的深层渗透吸收，达到美白、保湿、增加皮肤弹性与防止皱纹等之功效；美体方面，打开肌肤毛孔及加热身体功能，使其促进身体新陈代谢。

Attach a large minnow lure 90cm to 105 cm and cast towards the pillars and sides of the bridge or use VIB lures, deep divers change the lures and technique when you use different depth, because the bass like to wait alongside the pillars or structures waiting for the small fish to pass by, sometimes the big ones do not congregate in the same area of the smaller bass, they tend to be in more deeper water or where the currents are more stronger and more oxygenated, in deep rocky depressions, in corners, behind structures, where the currents weakens or pass by, this is the places where you want to find the big bass.

附加一大 minnow 诱惑 90 厘米之间，105 厘米和支柱和桥梁方面的强制转换，或使用 VIB 诱饵，深潜水夫更改诱饵和技术，当您使用不同的深度，因为鲈想一起支柱等，或通过小鱼等的结构，有时大的不做聚集在同一个地区，较小的鲈他们变得更多更深的水或由电流哪里更强大和更氧的结构，背后的角落的深处岩石陷在由电流的削弱，或通过，这就是要查找大鲈的地方。

Deep is my love, like deep is a rose red. I have it in my blood to love you.

深深的我的爱，就象红色的玫瑰在我的血液里去爱你。

A deep secret; ancient and deep tribal rites.Defeated in court and depicted by rivals as a corportate Attila the Hun, he seemed bitter and angry.

微软在反垄断诉讼案中败诉，盖茨的竞争对手把他说成是野蛮的匈奴，对此盖茨感到既痛苦又愤怒。

In order to decrease this crisis of resources ,deep metallic ore exploration(second deep space:500~2000m depth) must be carried out as soon as possible.

为了缓解当今的资源危机，必须进行深部找矿勘探（第二深度空间：500～2000 m深度）。

In addition, the blank holding force that is required to avoid wrinkle and rupture during conical part deep drawing is researched. The necessity of reasonable blank holding force in pressing is expounded. From the view of mechanical analysis, the wrinkle critical condition of side-wall is derived for the first time by the stress state of side-wall, the main deformation region on blank. According to the critical condition of plastic instability for flange, side--wall, corner of punch on blank, The blank holding force in conical part deep drawing is divided into four different regions within its forming figure. The basic principle of reasonable blank holding force during stamping is summarized and provided. The mathematical model of reasonable blank holding force that avoids the wrinkle and rupture is established and verified by the finite element numerical simulation and the grid experiment method. The result shows that it is accurate and reliable.

此外，本文还研究了圆锥形件拉深成形过程中，随着拉深变形过程的进行，毛坯为避免产生起皱、破坏缺陷而对压边力的需求情况，阐明了圆锥形件拉深成形过程中压边力合理变化的必要性；由毛坯主要变形区悬空锥壁部分的受力变形情况，从力学分析的角度，首次推导得出了圆锥形零件悬空锥壁起皱失稳的临界条件；并根据主要变形区法兰、悬空锥壁及凸模圆角部分的塑性失稳临界条件，在其成形范围图中，将圆锥形件成形过程中的压边力划分为四个区域；总结并提出了圆锥形件成形过程中压边力合理变化的基本原则；建立了防止起皱、破坏缺陷产生的压边力合理变化的数学模式，并得到了有限元数值模拟及网格实验法的验证，证实了理论分析结果的正确性和可靠性。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。