在海沟后侧的弧后盆地的火山中,此处是一个板块俯冲到另一板块的地方,也发现了该类通道,。
They are also found in volcanic “back-arc” basins behind ocean trenches, where one tectonic plate is sliding beneath another.
对某发电厂大型鼓风机转子轮盘强度进行了有限元计算与分析,确认了转子轮盘在出现沿叶片外弧的弧形沟槽后,略加修复仍可安全使用。
This text made FEM calculation and analysis for rotor disk of heavy blower in a plant, and found that the disk can be reused safely again after the arc grooves along outside of blade being repaired.
第88分钟马塔左路底线挑传,席尔瓦禁区弧内左脚迎球抽射,皮球弹地后擦着左侧立柱飞出底线。
The first 88 minutes underlined Mata left cross, his left foot volley towards the ball inside the restricted area arc Silva, after the ball bounced off the post struck the left column.
以较高的灵敏度和抗干扰能力测得了扩散型真空电弧的弧后电流值;
It is suitable for diffused vacuum arcs and of fairly high sensitivity and good anti-interference ability.
二郎坪群弧后盆地在海底喷流作用下形成了不同成矿元素组合的铜-锌型和铅-锌型两种矿床类型。
Copper zinc type and lead zinc type deposits with different ore elements were formed in Back arc basin of Erlangping Group by sea bottom spout.
拥有两种收弧模式和焊后削小球功能,适合半自动、自动焊、机器人等不同的高性能焊接工艺需求。
Possessing two methods of arc extinguishing and function of ball cutting after welding, suitable for different high performance welding procedures of semi-automation, automation and robot.
在此主要介绍了弧焊机器人在发生撞枪后的一些重新调整示教经验。
This article chiefly introduces the adjustment of demonstration program of arc welding robot after occurring collision.
新生代,东北地区作为太平洋板块俯冲带的弧后地区,形成了典型的弧后裂谷盆地。
In Cenozoic typical back-arc rift basins are formed in ne China where is the back-arc area of Pacific plate subduction zone.
结构后屈曲分析传统上都是采用弧长控制法来处理。
Post buckling analysis was traditionally conducted by arc length method.
马里亚纳海槽是一个正在扩张的弧后盆地。
通过对该蛇绿岩带地质及岩石地球化学特征等进行了论述,认为其形成于近弧的弧后盆地扩张脊环境。
This paper discusses the feature of geology, lithogeochemical of this ophiolitic belt, so the ophiolite is produced from near the back-arc basin spreading ridge.
介于前缘弧和欧亚大陆之间的是众多的残余弧和弧后盆地。
Many residual arcs and back arc basins exist between the frontal arc and Eurasia continent.
内蒙朝克山蛇绿岩地球化学:洋内弧后盆地的产物?
Geochemistry of the Chaokeshan ophiolite: Product of intra-oceanic back-arc basin?
印度—亚洲大陆的碰撞所形成的向东和东南的地幔流可能推动了东亚大陆东侧和南侧俯冲带的后退,并引发弧后扩张作用。
The eastward or southeastward mantle flow resulting from the collision of IndiaEurasia probably pushed rollback of slabs east and southeast to east Asian continent, further causing back arc spreading.
单片机对焊接电流、电弧电压、电流给定、脉冲周期、占空比、基值电流、收弧电流衰减时间、前气和后气时间等焊接参数进行采样、计算和控制。
The welding current, arc voltage, preset current, the period and ratio of pulse, base current, down slope time, gas pre and post flow time are sampled, calculated and controlled by microprocessor.
晚二叠世末,该地区变成弧后盆地,进一步转化成前陆盆地。
The late Permian it was changed into the back arc basin, and transformed into foreland basin.
耦合弱的特点与俯冲板块年龄小、抗挠强度弱、俯冲角度大、海沟后撤、岛弧裂离和弧后拉张等特点是一致的。
The weak couplings are in agreement with such tectonic features as young subduction slab, weak flexure strength, large subduction Angle, trench retreating, arc rifting and backarc extension.
在晚古生代岛弧带、弧前海沟带、弧后盆地或陆缘活动带等构造环境下发育有不同的火山岩组合。
Under the tectonic backgrounds of island arc belt, fore - arc trench belt, back - arc basin, and epicontinental active belt of late Paleozoic, it has different volcanic rock characteristics.
初步总结了岛弧-弧后盆地体系中的层序地层主控因素相互作用的规律。
The interaction of the main factors controlling the formation of sequence stratigraphy in arc and back arc basin systems was primarily summarized.
其沉积—构造演化可划分为三个阶段:大陆边缘裂谷、弧后裂谷和拗陷盆地。
Tectono -sedimentary evolution of the basin may be divided into three stages: continental margin rift, back-arc rift, and depression basin.
冲绳海槽仍是一个软流圈在汇聚的弧后盆地。
The Okinawa Trough is a back arc basin still driven by the converging asthenosphere.
经一定的腐蚀时间后,微弧氧化陶瓷膜的多孔层最终遭到破坏,而紧密层对防腐蚀起着至关重要的作用。
The outer porous layer is damaged after corrosion, while the inner dense layer played a key role to protect the coating from corrosion.
通过宏观及微观检测,分析了6061铝合金管及A7003铝合金薄壁管经TIG(氩弧)焊后的焊接区开裂的原因。
After visual inspection and metallographic test, analysis and discuss the welding zone cracking reasons for 6061 and A7003 aluminum alloy thin-walled tube after TIG (argon shielded arc) welding.
中国东北火山形成很可能属于这种后撤俯冲、远离海沟陆内弧后引张、地幔热物质上涌、减压熔融的情况。
Volcanism in northeastern China is likely a product of such retreat of subduction, far field back-arc extension, and melting due to reduce of pressure while mantle upwelling.
松辽盆地中生代火山岩特征反映了该盆地为弧后裂谷盆地的性质。
The characteristics of the Mesozoic volcanic rock in the Songliao Basin reflect that this basin is a backarc rift basin.
试验模拟了切削面积、接触弧长、切削面形状、切削齿后倾角和岩石性能对PDC切削齿破岩受力的影响。
The effects of cutting area, contact arc length, the geometry of cutting face, back dip angle of PDC cutter and rock performance on force of PDC cutter breaking rock were simulated experimentally.
试验模拟了切削面积、接触弧长、切削面形状、切削齿后倾角和岩石性能对PDC切削齿破岩受力的影响。
The effects of cutting area, contact arc length, the geometry of cutting face, back dip angle of PDC cutter and rock performance on force of PDC cutter breaking rock were simulated experimentally.
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