弹回的

Rebound deflection is an important measure to evaluate dry unit weight and bearing capacity of pavement structure layer.

检测路基路面的回弹弯沉值，可以反映路基路面结构的密实性以及路基路面的综合承载能力，通过同设计标准相比较，以确认该公路工程的施工是否满足工程质量的要求。

To attain the same strength grade, the content of cement in cement fly-ash stabilized hoggin has reduced by 0.5~1% comparing with cement stabilized hoggin. This material has a capability of adapting with different aggregate's gradation and the 4.75mm passing rate can reduce to 30%. Through the studying about the mechanical property of cement fly-ash stabilized hoggin, this manuscript discover that the material has good strength growing performance that its 90d strength growing rate is 385% and its splitting strength that the 7d splitting strength is 0.347MPa and the 90d splitting strength is 0.700MPa accord with requirement in the norm.

粉煤灰处于最佳掺量时，通过粉煤灰的填充、活性等作用，使材料在达到相同强度等级，水泥剂量降低0.5～1%；并且对集料级配具有更好的适应性能且能使集料4.75mm以下通过率降低至30%左右；而且能有效提高材料的强度增长率，90d强度增长率高达385%左右；同时，降低回弹模量16%左右，对材料的抗裂性能有显著的改善作用。

The dynamic behavior of an individual polymer chain in the confined system or environment (the extension of a single polymer chain which one end is fixed under the electric field, the translocation process of a single Gaussian chain through a nanometer-scale pore under the electric field, spontaneous recoil of a single chain located in the confined environment) was studied by using Monte Carlo computer simulation. The simulation results can be used to investigate the kinetic law of molecular chain polarization, dipole relaxation and trapped charge carrier under the application of electric field.

完成了单链高分子在受限体系或环境中(一端固定的单链高分子在外电场作用下的伸展、单链高分子在外电场驱动下穿越纳米管道的过程、处在受限环境下高分子链的自发回弹等)动力学行为的Monte Carlo计算机模拟，其结果可用于在电场作用下分子链极化、偶极松弛或陷阱中受陷电荷的运动规律研究。

But incoming data suggest that the inventory correction that began last fall is ending, and that somewhat stronger gains in domestic final demand and lean inventories have promoted a production snapback.

但是输入的数据表明，从去年开始的库存调整即将结束，并且从最后的国内需求来看，较多的利润收入和较少的库存量已经促进了生产的快速回弹。

The impact of the press displacement of the upper roller on the forming process of BBBR was studied and it was concluded that the lengthways curvature of the spherical part is very sensitive to the press displacement under fixed distance between two lower rollers. The effeet of friction condition on the forming process of BBBR was discussed. The springback behavior of the process was analyzed preliminarily. The simulated results were validated by experiments.

研究了上辊不同压下量对其成形过程的影响，结果表明：在一定的辊间距下，压下量的变化对球形件纵向曲率影响非常敏感，探讨了不同摩擦情况对成形过程的影响，对回弹进行了初步的分析，通过实验验证了模拟结果。

Appropriate Springiness: The material should have the ability to rebound from the compression of first contact and expand to make firm long-term contact.

其次是好的弹性：第一次使用时，在压缩的情况下连接材料必需有足够的回弹能力，而且能够扩张以使其在以后的使用中牢固的连接。

The influence of superelevation in the much longer transitional zone on the design of certain structures,a practical case is investigated,and it is advanced that through the optimum design of superelevation, the structures appeared in the transitional zone may not be designed in the superelevation run off,and such design is beneficial to the design and construction of bridges.

在公路路网改造工程项目中，常常遇到旧路补强设计，通过工程实例和理论分析，解决旧路补强设计中容易出现的补强层厚度随着老路回弹模量的增大而增厚的现象，即通常所说的"反常现象"；结合工程实例，通过优化超高设计，将位于缓和曲线段内结构物不设置在超高缓和段上，给桥梁的设计和施工带来极大的方便。

The method has been applied to optimize the variable blankholder force of a U-shaped part and an actual car panel.

与现有的变压边力回弹控制方法相比，大大提高了优化过程的效率和优化解的有效性。

To make life a little more interesting we have introduced some unique features such as rotating rebounders, ball repellers and warpholes, which make things very unpredictable in later levels.

为了做出生活更多一些使感兴趣我们介绍了诸如失回弹者，球弯曲旋转的一些独特的特色，在更迟的水平那使东西变得很不可预知。

In this paper , a series of surveys on road condition , pavement-performance and destroy reason are analyzed , soil property , hydrologic regime are combined , modulus of resilience are confirmed on heavy compaction test , foundation classification in area of Qinhuangdao is divided into 3 grades and highway is divided into 3 districts according to the principle that different soil grades produce the same effect on thickness of base course or bottom course , Classification of traffic is divided into 4 grades after observation materials of traffic volumes are collected extensively , traffic characters and parameters are analyzed .

本课题在对现有路面结构状况和使用状况进行调查，并对路面使用性能和破坏原因进行分析的基础上，结合秦皇岛地区的土质、水文条件，确定重型击实标准条件下土基回弹模量值，依据不同等级土基对路面基层或底基层的厚度产生大致相同效应的原则，将秦皇岛地区地基强度等级划分为三级并将本地区公路分成三个区。

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。