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pumping area
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  脱空区
     Study for Pressure Mortar Remedial Strength of Pumping Area below Cement Concrete Pavement Slab
     水泥砼路面板底脱空区的压浆补强研究
短句来源
     Reinforcement of Pumping Area beneath PCC Pavement Slab
     水泥混凝土路面板底脱空区的施工补强措施
短句来源
     Construction Study for Pumping Area Below Cement Concrete Pavement Slab
     水泥混凝土路面板底脱空区的施工研究
短句来源
     Combined with the cement concrete pavement engineering, this paper analyzes the reasons of the pavement slab bottom producing pumping area, researches for the adjustment methods for this pumping area, and presents the pressure mortar material selection, the pressure mortar procedures, and the control requirement and examination methods of the pressure mortar quality for the similar works having the instruction meanings.
     结合水泥混凝土路面工程 ,分析路面板底出现脱空区的原因 ,寻求判断脱空区的方法 ,根据压浆补强原理 ,提出压浆材料的选用、压浆工艺以及压浆质量控制要求与检测方法
短句来源
     By orthogonal design method,the water-cement ratio,epoxy resin content,water home epexy curing agent content of polymer grouting material and influence of interaction of factors on flexural strength of the grouting material were studied for cracking in or pumping area below cement concrete pavement of expressway. An ideal and optimized formula was found out that reduced repeated test.
     针对高速公路混凝土路面存在的裂缝和脱空区的工程问题,采用正交设计方法,研究了聚合物化学灌浆材料的水灰比、环氧树脂含量和水性环氧固化剂含量,以及各因素之间交互作用对该灌浆材料抗折强度的影响,找出了较为理想的优化配方。
短句来源
  “pumping area”译为未确定词的双语例句
     Analysis on artificial supply discharge and efficiency of mix-well in excessively pumping area
     地下水超采区混合井回灌流量计算与效率分析
短句来源
     The pavements constructed in early years are mainly Portland cement concrete pavements, in recent years, with the increase of traffic load and running speed, pumping area beneath the slabs increases which lead slabs crack or fault, many pavements are faced with reconstruction.
     近年来,随着行车荷载的增加,早期修建的水泥混凝土路面板底脱空严重,引起水泥混凝土板断裂或错台,许多水泥混凝土路面面临大修、改造。
短句来源
     For a typical cylindrical chamber (with length L, diameter D and bottom equal to pumping area with stricking coeffient β), a program is compiled to solve the integral equation by computer.
     并对典型的圆柱型容器(长L,直径D,一端有粘着几率β的等效抽气面)编制了用计算机迭代求解该积分方程的程序。
短句来源
     In practice, shutting down pumping, area and counting methods have been proven as valid and they are also available for reference in both annular logging and pumping logging.
     理论和实践均证明停抽法、面积法和计数法可行,可供环空测井及抽测法测井参考。
短句来源
     According to test observation data of static load piles, Mortar Grouting and Reinforcement of Pumping Area technique proves to be effective to improve bearing capacity of composite foundation.
     通过静载试验结果表明,采用压浆补强的处理方案能够有效地提高复合地基承载力。
短句来源
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  相似匹配句对
     In the area, J.
     这方面,J.
短句来源
     Reinforcement of Pumping Area beneath PCC Pavement Slab
     水泥混凝土路面板底脱空区的施工补强措施
短句来源
     Test and Analysis of Optimized Pumping Unit in Model Area
     示范区优化后抽油机现场运行测试分析
短句来源
     polycrystalline area;
     多晶区;
短句来源
     Progress in Parametric Pumping
     参量泵技术的发展
短句来源
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  pumping area
The emission occurs in all directions and varies with pumping area.
      
Mechanism and mechanical model of karst collapse in an over-pumping area
      
Then, the pumping area is about 30 times larger than the cavity area.
      
The view is looking down through the top disk into the pumping area.
      
Thus the pressure gradients force the fluid into the pumping area, and the viscous forces move the fluid through the pumping area.
      
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An integral equation is deduced which applied to the stricking-wall rate of molecules at ateady non-equilibrium state in molecular flow region. For a typical cylindrical chamber (with length L, diameter D and bottom equal to pumping area with stricking coeffient β), a program is compiled to solve the integral equation by computer. Some parameters e.g. L/D, β, the distributions of the stricking-wall rate of molecules are calculated with 1% error by a compackcomputer. The results show that how the state...

An integral equation is deduced which applied to the stricking-wall rate of molecules at ateady non-equilibrium state in molecular flow region. For a typical cylindrical chamber (with length L, diameter D and bottom equal to pumping area with stricking coeffient β), a program is compiled to solve the integral equation by computer. Some parameters e.g. L/D, β, the distributions of the stricking-wall rate of molecules are calculated with 1% error by a compackcomputer. The results show that how the state devaite from the equilibrium under these parameters and that the extent of the deviation from equilibrium state can be greatly reduced in a chamber when the pumping area is smaller than the bottom of the chamber.There is also evidence that there is a so-called "quasi-ideal position" on which a guage is set up, which will rarely depend on L/D, β and the gas source. This method could also used to calculate the probabilities of back-scattering, transmission and sorption in a cylindrial tube with wall sorption (open tube and tube with a screen). The results conform satisfactorily with those obtained by monte-Carlo method.

本文推导了表达分子流稳定非平衡态碰壁率的积分方程。并对典型的圆柱型容器(长L,直径D,一端有粘着几率β的等效抽气面)编制了用计算机迭代求解该积分方程的程序。用10~K内存量的袖珍计算机以1%精度计算了某些L/D,β参数下,“均匀出气”和“底面出气”时碰壁率的分布。计算结果表明了各种参数下的状态和平衡态的偏离程度以及采用“收口抽气”可使这种偏离大大减少。计算还表明存在一个和L/D、β和源发射情况几乎无关的“准理想规管位置”,它对实际应用是有意义的。运用该方法还计算了分子通过内壁吸附分子的收口和敞口圆形管道时的“通过”“返回”和“吸收”几率。结果和蒙特卡洛法得到的很好一致。

Reasonable development and utilization of water resources dealt with many factors and multi-purposes.Based on the system dynamics and optimization theory,this paper presents a basic principle for the reasonable distribution of water resources.A macro-model of water utilization of system dynamics and a macro-model of crop pro- duction structure are put forward.It has achieved a satisfactory result through practical calculation to high-lift pumping areas in Gaolan county,Gansu province.

水资源的合理利用是一个涉及多因素的综合问题。本文在系统动力学和最优理论基础上,提出了水资源合理分配的基本原则。在宏观层次上,建立了水资源分配模型,并用综合评审法,选出了优化方案。在微观层次上,给出了种植业优化结构模式。针对皋兰县高扬程灌区进行实际运算,获得了满意的结果。

The concept of soil reduction capacity and its potential application to remediating of Cr contaminated soil and groundwater were discussed.Three types of reduction capacity of soil,i.e.,the potential reduction capacity,available reduction capacity,and conditional reduction capacity were suggested.Three soil samples were collected from a groundwater pumping area and a Cr contaminated groundwater area in Tangshan City in north China.Soil column leaching experiments were conducted to evaluate the relations...

The concept of soil reduction capacity and its potential application to remediating of Cr contaminated soil and groundwater were discussed.Three types of reduction capacity of soil,i.e.,the potential reduction capacity,available reduction capacity,and conditional reduction capacity were suggested.Three soil samples were collected from a groundwater pumping area and a Cr contaminated groundwater area in Tangshan City in north China.Soil column leaching experiments were conducted to evaluate the relations between the carious reduction capacity for Cr(Ⅵ) of soils.Approaches to increase the available reduction capacity of the soil by adding selected reductive materials,such as cattle manure,FeS and weathered coal were investigated.Results showed that the available reduction capacity of soil was about three orders of magnitude lower than the corresponding potential reduction capacity.Adding of selected reductive materials to soil could increase the available reduction capacity of soil. Compared with FeS and weathered coal, the cattle manure proved to be a better reductive material apparently with a prolonged reduction potential.

提出并讨论了土壤的潜在还原容量、有效还原容量和条件还原容量等概念;通过对采自北京和唐山地下水饮用水源区3个包气带土壤样品的土柱淋滤实验,研究了土壤对水溶液中六价铬(Cr(VI))的还原作用,研究了上述土壤各种还原容量之间的关系及影响因素;探讨了向土壤中投加适量常见、无毒、价廉的还原性物质(如厩肥、FeS和风化煤等)以提高土壤还原能力的方法和将其应用于去除灌溉用污染地下水中六价铬(Cr(VI))的可能性.实验结果表明,在正常环境条件下,土壤的有效还原容量比土壤的潜在还原容量低3个数量级左右.向土壤中投加适量还原性物质可以大大提高土壤的有效还原容量.与FeS和风化煤相比,厩肥还原效果最好,具有更持续的还原能力.

 
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