aThe results of a recent study have shown inappro-priate directional traction to be one of the leading causes of failure in the treatment of impacted teeth. 一项最近研究的结果在阻生牙的治疗显示不适当的定向牵引是其中一失败的带领的起因。[translate] ...
a由于材料的热膨胀,会引起仪器各部分的变形和应力, 导致几何光学尺寸的变化和成象质量的变化｡ As a result of the material heat expansion, can cause the instrument various part of distortions and the stress, causes the geometry optics size the change and the image formation quality change.[translate...
Coronary heart disease is one of the leading causes of death in both industrialised and developing countries. About two thirds of all coronary deaths occur outside the hospital and before any medical care can be reached. Therefore, the prevention of coronary events appears to be of utmost ...
Deflection{eq}- {/eq} Deflection occurs when an external force is applied perpendicularly to a system which causes the system to move away from its equilibrium position. Internal Stress{eq}- {/eq} Internal stress is the ability of a system to resist movement when an external force is applied...
and thermal structure is more subject to external constraints is to generate thermal stress causes. 而热结构受到外部约束更是产生热应力的原因。 uimg1.zhubajie.com 7. In fact, noise is unavoidable for open systems which are subject to external constraints and perturbation. 然而,现实中电力系统受到随...
For example, during the working process of the engine, the internal stress of the cylinder block and cylinder head is redistributed due to the effect of high temperature, and a new balance is reached, As a result, the cylinder block and cylinder head plane are warped and deformed...
Free Essay: External and internal factors affect the building of relationships in children and young adults. The external factors include: -Family and...
Globally, more than five million people die each year as a result of external causes. These deaths have now become a major public health concern1. Japan has experienced a slightly decreasing suicide rate since its peak in 19982. However, more than 20 000 people die annually by suicide, givi...
aFor each model, an external closure relation is needed for the longitudinal wall friction term. The liquid wall shear stress is determined by the following formula: 为每个模型,对外关闭联系为纵向壁面摩擦期限是需要的。 液体墙壁抗剪应力取决于以下惯例:[translate]...
a进入溆浦路径曲折,使我迷糊不知应往何处去 Enters the supu way to be winding, causes me not to know blurry should go toward where[translate] aI come from Xi'an Eurasia University School of Logistics and Trading of international economic and trade professionals, student party, served as study ...