soil conductivity

The calculation method for selection of soil thermal conductivity is given.

给出了土壤热导率的选取计算方法.

The main results included: 1. Soil properties such as bulk density, water retentiveness and thermal conductivity under NT was higher than that of CT and RT.

免耕耕层土壤容重高，持水性强，导热率高。

The conditions for electro and magnetic precursor are the tectonic unit, the composition and thickness of Cenozoic group, the soil type near the surface and the lithologic property under Cenozoic group and the depth of the layer with high electric conductivity in the earth crust.

影响地电磁类台站映震能力的主要条件是构造单元、新生界盖层的结构与厚度、表土岩性、基底岩性与壳内高导层顶面埋深等。

As a part of TYZ 3 intelligent soil nutrition gauge, the conductivity gauge reached the aim mentioned above.

山西农业大学设计并通过省级鉴定的TYZ-3智能型综合土壤养分测试仪一部分的电导率测量系统是一种智能式系统。

Measurement of Soil Thermal Conductivity with Thermal Needle Method

用热针法测定土的热导率

Saturated Hydraulic Conductivity of Seashore Saline Soil in Yellow River Delta

黄河三角洲滨海盐渍土饱和导水率的研究

Such soil can improve conductivity over threefold.

这种土壤可使导热率提高到3倍(提高2倍)以上.

Laboratory tests for precise relationship between thermal conductivity and moisture content of silt soil

粉土热导率与含水量关系的实验研究

So, it has been one restraining factor in the system development. Whereas the thermal conductivity of rock-soil is an important basic parameter of the design of the ground heat exchanger.

而岩土导热系数是地埋管设计的重要基础参数。

On the Measurement of Frozen Soil Thermal Conductivity by Line Source Method

用线热源法测定冻土导热系数的实验研究