查询词典 repeated load

Catheterization measurements were repeated at 5,10, and 15 min after completion of ketamine load.

在七氟醚的共同作用下，氯胺酮并不增加自主呼吸的肺动脉高压儿童的肺血管阻力。

Under low stress repeated impact load, the plastic deformation of materials is epistrophe which is mainly in the range of 2mm under surface.

材料在低应力多冲条件下的塑性变形表现出"趋表"的特点，塑性变形主要集中在表面以下2mm左右的区域。

The cyclical pulse load consisting of a haversine load time and a rest period is adopted to simulate the actual vehicle load, and the permanent strain model under the repeated load is derived from the rheological and viscoelastic theories.

采用半正矢波间歇荷载模拟实际轮载作用，综合运用流变学和粘弹性力学理论推导了周期性荷载作用下沥青混合料永久变形的力学模型。

A loading cycle consisting of a haversine load followed by a rest period was adopted to simulate the actual vehicle loading on asphalt pavement, and a viscoelastic-damage mechanics model was deduced for permanent deformation of asphalt mixture under repeated load.

再采用半正矢波间歇荷载模拟实际路面轮载作用，推导了重复荷载作用下沥青混合料永久变形的弹黏塑性损伤力学模型。

E0 value is generally obtained by conducting repeated load tri-axial tests in laboratory or bearing plate test; automated dynamic cone penetrometer in situ etc. because of the complexities encountered with.the above tests.

土基回弹模量是路面设计的重要参数，实验室内测定土基回弹模量的方法为重复荷载三轴试验，野外测试的方法有承载板、动态锥等方法，上述方法操作起来都比较复杂。

Resilient modulus (E0) is an important parameter for pavement design. E0 value is generally obtained by conducting repeated load tri-axial tests in laboratory or bearing plate test; automated dynamic cone penetrometer in situ etc. because of the complexities encountered with the above tests.

中文摘要：土基回弹模量是路面设计的重要参数，实验室内测定土基回弹模量的方法为重复荷载三轴试验，野外测试的方法有承载板、动态锥等方法，上述方法操作起来都比较复杂。

Based on analyzing and summing up the study results on deformation and fracture mechanisms of materials and member under repeated impact load,this paper shows that material defomation is characterized by plastic deformation concentrating on impact point,multi-systemes sliping difficult to perform and strain more unhomogeneous.

本文综合归纳了材料和构件在循环冲击载荷下的变形、断裂规律及机理研究成果，指出材料的变形具有多系滑移难于进行、应变不均匀性大和塑性变形集中在冲击接触点的特点；材料断裂过程为裂纹萌生、扩展和最后断裂过程，组织及实验条件对材料断裂有较大影响。

It is showed that pile with branches and plates could be used in bridge engineering under repeated load .

研究表明，支盘桩应用于桥梁等承受重复荷载的结构是可行的。

With reference to the indoor test, in order to obtain the breakage of bridge deck overlay under the car"s breaking, it take the worst load condition as the test object, and then impose dynamic repeated load to different loading types of bonding layer, gather the strain information of the specimen"s different location.

在室内试验方面，以桥面铺装在荷载作用下的层间破坏为出发点，模拟汽车刹车情况，采用桥面铺装最不利受力情况为试验对象，针对铺装层结构的不同受力工况进行动态重复加载，采集应变响应。

The parameters were processed with SPSS for Windows12.0, and analyzed with repeated-measures ANOVA(α=.05).Results and Discussion:When the backpack load percentage during stair-down walking reaches 10%, knee landing angle, hip angle displacement, and vertical displacement of the center of gravity all have significant difference（pConclusion: Backpack load percentage has influence on human biomechanical performance during stair-down walking.

结果与讨论：下阶梯背重率达10％时，膝关节著地瞬间角度、髋关节角位移、重心垂直位移均达到显著差异(p＜。05)；当背重率达20％时，垂直分力与其产生时间、最大负荷率、踝关节肌肉力矩与角劲度亦达到显著差异(p＜。05)，此时人体必须透过增加踝关节角位移机制来降低垂直地面反作用力和最大负荷率及延后垂直峰值产生时间，藉以减少地面反作用力对人体所造成的冲击；而重心垂直位移也受到背重的影响而增加，以上均显示背重对人体下阶梯时下肢的负荷与影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。