soil resistance

The heat transfer of ground heat exchanger is enhanced by changing backfill materials for reducing the thermal resistance of borehole and controlling heat pump operation mode for delaying the soil temperature rise speed.

本文通过改变回填材料减小钻孔内热阻和控制热泵运行模式延迟土壤温升来强化埋管换热器的传热，提高系统运行效率。

Its innovation mainly displays in: digging shovel buried part is buried teeth which greatly reduces the resistance of the soil when buried, digging shovel tail using separate trash rack with separation, mining and cassava remover simplifies the job step.

其创新点主要表现在：挖掘铲入土部分采用入土齿，大大减小了入土时的土壤阻力，挖掘铲尾部采用了分离栅条，将木薯的挖掘和除土融为一体，简化了作业工序。

One strain of filamentous fungi possessing stronger resistance and accumulation abilities was screened from mine soil and numbered as phoma sp. F2. According to its characteristics of morphology being mainly the characteristics of pycnidium, it was identified as phoma fungi.

从矿区土壤筛选到一株对镉具有较强抗性和富集能力的丝状真菌，编号为F2，根据其形态主要是分生孢子器的特征鉴定为茎点霉菌。

Comprehensive Earthing Treatment in the High Soil Resistance and Asymmetrically Distributed Area

分布不均匀高土壤电阻率地区接地的综合治理

It was shown that the calculating data were in accordance with that obtained from the experiment of the draft resistance of plane blade. The application of soft-sensing technique in the study of the soil adhesion interface is feasible and valid.

结果表明，平面板推土阻力的软测量计算结果与试验数据比较吻合，软测量技术应用于界面附系统的研究是可行和有效的。

The resistance to water conduction in plant and the resistance to flow in soil take small relative values.

土壤阻力和植物内部对液态水流的传导阻力相对较小。

Influence of Soil Moisture Variation on Line Grounding Resistance

土壤湿度变化对线路接地电阻的影响研究

The Sensitivity of Adaxial and Abaxial Stomatal Resistance in Wheat Leaf to Soil Water Stress

冬小麦近轴和远轴叶面气孔对土壤水分胁迫反应的敏感性

This paper presents the test results of the deformation of the dike, the bending moment and soil resistance of the pile near the dike at different construction and operation periods.

试验给出围堤及码头在施工期和运行期的变形过程，同时给出部分钢管桩受围堤及地基变形影响产生的水平位移、弯矩和土抗力的变化曲线。

In the first part, firstly, total soil resistance formula of Case method is deduced over again using absolute time coordinate; Secondly, Case damping factor method and its improved method are analyzed;

本文在第一部分首先采用绝对时间坐标对Case法的总土阻力公式进行了重新推导，然后对现行Case阻尼系数法及其改进方法进行了分析。

By analysing measured force and velocity signals under the impact of a heavy hammer the bearing capacity, degree of integrity and inner stresses of a pile, as well as the soil resistance distribution along its length can be given by the PDA.

在重锤锤击下，PDA得到一实测力信号和一实测速度信号，分析这些信号，可以得到桩承载力、桩身完整性和桩长、桩侧摩阻力分布和桩身应力。

Analysis and Discussion on the frictional resistance of soil around the pile of high-pressure spiral jet grouting

高压旋喷桩桩周土摩阻力的分析与探讨

Identification of the Model for Ploughed Soil Resistance on Draft Control System

阻力控制系统犁耕阻力的模型辨识

The pressure and soil resistance figures in tons per square inch.

这是压力和泥土形变的图表,单位是吨/平方英寸.

The environmental difference between city gas pipeline and long distance gas pipeline is compared, the limitations of current methods for measuring the soil resistance rate, and the possibility of judging bacterial corrosion are analyzed, and some appropriate improvement measures are put forward.

比较了城镇燃气输配管道与长输管道的周边环境的差别，分析了现行的测取土壤电阻率和判断细菌腐蚀可能性的方法的局限性，提出了相应的改进措施。