Jorge Amaral, a Brazilian air force colonel, said the long strip of metal found on Wednesday was the biggest piece that search crews had seen so far.
巴西空军上校豪尔赫·阿马拉尔说周三发现的那块很长的金属物体是搜救队员迄今为止发现的最大的物体。他说这可能是机身或飞机尾部的一部分。
This paper theoretically analyzes the critical force in metal hoisting boom structure of lattice type and variable section.
本文对格构式变截面吊臂金属结构的临界力计算作了理论分析。
In such cases, a metal gasket also not applicable, because the requirements of the compaction force is too large, caused the bolts, make much deformation flange is not easy to seal.
在这种场合,金属垫片也不适用,因为这时要求的压紧力过大,导致螺栓较大的变形,使法兰不易封严。
Excellent binding force between coating and metal base.
优异的涂层与金属基体的结合力。
At this point, it is necessary to set up the component to resist the internal force of the film surface, which can be a tubular metal frame, but also a thin film gas rib.
此时需要设置抵抗膜面内力的构件,该构件可以是管状的金属构架,也可是薄膜气肋,即:内充高压气体而具有一定抗弯刚度的管状。
This force causes the metal to seem to flow off the work in the form of chips.
该股力量使金属成碎屑状从工件溢放出来似的。
Forging is the process by which metal is heated and is shaped by plastic deformation by suitably applying compressive force.
在锻造过程中先将金属加热,然后施加合适的压力使其塑性变形。
A piece is a metal that is applied to the object by means of a plastic deformation to shape the shape of the required shape or the appropriate compressive force.
件是金属被施加压力,通过塑性变形塑造要求的形状或合适的压缩力的物件。
Compared with other conductive metal layer, copper coating with small with stress, high mechanical strength, the plastics substrate and coating binding force is good wait for a characteristic.
与其它导电金属层相比,镀铜层具有应力小、机械强度高、塑料基体与镀层结合力好等特点。
The paper also discussed the technological basis of the machine, including flow and deformation of the metal, the problem of slip, rolling force and torgue, and conditions affecting roll-bite.
文中着重阐述了新延伸机的工艺理论,即金属变形和流动、滑移问题、轧制力参数以及咬入条件等。
Metal rubber is a kind of material with nonlinear resuming force.
金属橡胶是一种具有非线性恢复力的材料。
A new returnable actuator disk of metal seal structure butterfly valve was presented, and its principle, force analysis, characteristic of the actuator were discussed as well.
提出了一种双向压金属硬密封蝶阀蝶板可逆回转机构,讨论了可逆回转机构的工作原理、受力分析及特点。
Sufficient force is required to push the metal sealing surfaces into the washer; too much force will damage the bead surfaces.
要求足够的力量来把金属密封表面推进垫圈,但太大的力量会损伤垫珠表面。
In this model, the fuzzy comprehensive evaluation of the fixed milling force and higher metal removing rates is used as the objective function so that the best cutting parameters are gotten.
该模型以切削力恒定和较高的金属去除率的模糊综合值作为目标函数,找出了最佳切削用量。
Through inducing and analyzing the formation theory of friction, the article advances a new concept that the metal cutting force equals the friction of the tool and workpiece.
通过对摩擦力形成理论的归纳与分析,提出了金属切削力等效于刀具—工件副间摩擦力的新概念,由此导出了计算切削颤振系统阻尼系数的方法及相应结论。
The Influence of three grinding fluids on grinding force, metal material removal rate, surface roughness of ground workpiece, and the extent of grinding bum were investigated in this paper.
本文研究了三种磨削液对磨削力、金属磨除率、表面粗糙度和烧伤程度的影响。
Cutting force in metal cutting process, one of the main physical phenomena, it is direct effects on cutting heat generation, the tool wear and durability and the workpiece processing quality.
切削力是金属切削过程中的主要物理现象之一,其大小直接影响切削热的产生,并影响刀具磨损和耐用度,工件的加工质量。
Geometrical models are built for connected pores of the sintered porous metal. The mechanical compaction force is controlled to obtain the porous metal with the certain porosity.
建立了烧结金属多孔材料连通孔隙形成的模型,通过控制机械压制压力获得了一定孔隙率的金属多孔材料。
Cutting force models of a single tooth cutter and a multitooth cutter are derived from metal cutting theories and geometric relations of face-milling process.
根据金属切削理论及端铣过程的几何关系提出了单齿和多齿刀具的铣削力模型。
A pair of dissimilar metal wires that generates an electrical force at a point of contact that varies in proportion to temperature.
随着接触点的温度不同,一对不同的金属线产生电力不同。
The electromagnetic force acted on the molten metal is the core of electromagnetic theory applied in materials machining.
电磁场理论应用于材料加工过程的核心,是电磁力对液态金属的作用。
The good velocity controllability of servo-dynamo can be used to realize variable blank holding force control through adjusting the force on sheet metal blank with a holding force adjusting equipment.
利用伺服电机良好的速度可控性,可以通过压边力调节装置调整作用在板坯上的压边力的大小,更容易实施变压边力控制。
The rationality of assignment of feature bands (including metal bond) and force constants has been discussed.
本文讨论了特征谱带(包括金属键)的归属和力常数的合理性。
This article analyzed the magnetic field forms using the FEA software ANSYS and established the mechanics model that shows torsion vibration after the metal belt receives the action of magnetic force.
本文利用ANSYS有限元分析软件,对磁场形态进行分析,并且建立了金属带受磁场力作用后扭转振动的力学模型。
The electromagnetic force acting on the crack in a metal is studied by numerical simulation method. The distributions of electric current, magnetic field and the electromagnetic stress are given.
用数值模拟方法研究了金属裂纹尖端电磁应力的分布情况,给出了电流分布、磁场分布和电磁应力的分布。
BACKGROUND: Common metal bone fracture plate had powerful stress force shelter reaction in fixed bone segments and moreover, is has no induction and guiding reactions in bone growth.
背景:普通金属接骨板对固定骨段具有强大的应力遮挡作用,且对骨组织生长无诱导及引导作用。
If the wall bear force of the cutting, metal particles from the matrix and erosion.
如果管壁经受不起合力的切削作用,就有金属颗粒脱离母体而流失。
The strategy of variable blank holding force is an effective measure for the springback control in sheet metal forming processes.
变压边力策略是在冲压件成型中控制回弹的一种有效措施。
The strategy of variable blank holding force is an effective measure for the springback control in sheet metal forming processes.
变压边力策略是在冲压件成型中控制回弹的一种有效措施。
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