压出

The refracture orientation depends on the stress field in vertically-fractured gas well.

对于处于高含水期开采阶段的井，由于老裂缝控制的原油已接近全部采出，必须实施改向重复压裂，在油气层中打开新的油气流通道，更大范围地沟通老裂缝未动用的油气层，大幅度增加油气产量，进一步提高油气藏开发效果[1]。

With this model, the relative variations of the turbine cycle internal efficiency aroused by the back pressure change can be calculated conveniently.

利用这一模型，可以方便地求出因背压变化而引起的汽轮机循环内效率的相对变化量。

Compared with the Mohr-Coulomb model, the new model 2 can describe the stain-harding and geometryharding characteristics of powder compaction. 5. Model verification. Using the new model, the simulation analysis was done on the powered metal compaction, the reliableness and application range of the new models were provided.

模型验证运用新模型对粉末压制过程进行仿真实验，验证了模型的可靠性，并给出了模型的适用条件：对高密度压坯成形的描述，新模型一具有足够的精度。

The paper,according to the analyzing of lead dross reverberator dust,put forward the new technics indium distilling by sulfuric acid leach ing,P204 extraction,sulfuric acid washing,hydrochloric acid reverse extraction,zinc replacement,smelting,electrolysis,casting etc.

研究分析了铅浮渣反射炉烟尘的性质和特点，提出了二段硫酸浸出、P204萃取、硫酸洗涤、盐酸反萃、锌板置换、压团熔铸、电解铸型的提铟新工艺，并进行了全流程的试验研究，明确了各工序的工艺技术条件。

The SCADS cooperative designing system was developed and the types of conflicts in the SCADS cooperative designing system, reasons of conflict production and clearing up method were given out. Its correctness and feasibility were verified by means of the cooperative designing living example of the right angled coordinates cap pressing robot.

开发出了SCADS协同设计系统，给出了SCADS协同设计系统中冲突的类型、冲突产生的原因和消解方法，通过直角坐标压盖机器人协同设计实例验证了其正确性和可行性。

Through the permeability test of rock salt, it is investigated on the damage acting as coefficient of permeability, the relationship between confining pressure and coefficient of permeability is given.

通过盐岩的渗透实验，研究了损伤对盐岩渗透系数的影响；并给出了围压与渗透系数的拟合关系式。

In the paper, the present state of ultra-fine-grained materials, severe plastic deformation and Asymmetrical-ARB are introduced in detail; the craft to fabricate ultra-fine-grained copper using Asymmetrical -ARB is studied fully; the problem of combination of interface is settled; the affect of homogenizing annealing、 annealing and rolling method on mechanical properties of materials prepared by Asymmetrical-ARB is discussed and analyzed when control parameters of rolling mill such as the press—ratio、 the asynchronous rate、 rolling—speed are fixed, and a kind of craft that meets to requirement of experiment is made out.

本文对超细晶、大塑性变形技术、异步轧制目前国内外研究进行了详细的介绍；对异步叠轧方法制备超细晶铜工艺做了较为细致的研究：解决界面复合问题；在压下率、异步比、轧制速度等轧机控制参数固定条件下，探讨了均匀化退火工艺、去应力退火工艺和轧制方式对异步叠轧材料力学性能的影响，并进行了分析，制定出符合实验要求的轧制工艺。

Finally, the importance of compression in advance in construction of scaffold has been emphasized and values have been given.

最后，阐述了施工中支架预压的重要性并给出了预留沉降值。

A scanline algorithm for area filling with pushing span -ends has good efficiency but also a shortcoming that one class of special connected fields cann′t be filled completely by this algorithm .

针对压入区段端点的区域填充扫描线算法有可能出现的漏填，分析了漏填现象产生的原因，并在不增加算法复杂度的情况下提出相应的改进办法，给出了具体的算法流程，从而实现了对任意4-连通区域的正确而快速的填充，而且该算法的运行效率比递归种子填充算法以及经典的扫描线种子填充算法有明显提高。

In the traditional experimentation of farming , we must do scarification,shoveling, pressing respectively.So the time between every two working procedure is long,the efficiency is low,and it will also expand a large number of the labour force.In order to work out this problem ,we should create a new kind of machine.It can take the place of men.

传统的耕作试验需要单独进行松土、铲平、压实、旋耕等工序，各工序的间隔时间较长，效率较低，而且要消耗大量的劳动力，为了解决这一问题，我们迫切的需要研制出一种新型的机械设备，用它来代替人力。

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。