气孔

In this paper the technique of Thermo Time Domain Reflectometry is introduced to make measurements of a wide range of soil physical properties.We outline the theories of TDR technique for water content and electrical conductivity measurement, and heat pulse technique for determination of volumetric heat capacity, thermal conductivity, and thermal diffusivi...

本文以热脉冲技术和时域反射技术的理论为基础，介绍了利用热脉冲技术时域反射技术连续定位测定土壤含水量、电导率、温度和热特性的原理，并利用土壤热特性与容重和含水量的关系，导出了土壤容重、饱和度和通气孔度的计算公式。

It possesses high refractoriness under load, high compressive strength.

研制的AZS烧结砖具有较高的荷重软化温度和耐压强度，显气孔率低。

The YAG transparent ceramic shows high density and low porosity, while the shape of the grains is regular polygon with the size of about 2.5μm.

显微观测表明，烧结体气孔含量极低，结构致密，其晶粒形状为规则的多边形，平均尺寸为2.5μm左右。

The results showed that there was regularity in the distribution of stomata on the surface of rice leaves.

结果表明：稻叶下表面气孔的分布不是随机的，表现出一定的规律性。

Result］The results indicated that the photosynthesizes rate, transpiration rate, water use efficiency, stomata conductivity of 3 clones robinia seedlings had the significant difference.

结果］结果表明，3个无性系的净光合速率、蒸腾速率、水分利用效率和气孔导度之间差异明显。

Correlation analysis showed that meteorological variables, such as containing water rate of sandland, photosynthetic available radiation, air temperature, saturated water vapour pressure difference, and physiological variables, such as leaf area index, leaf temperature, stomatal conductance, affected transpiration of S.

相关分析结果表明，环境因子，如沙地含水率、太阳有效辐射、大气温度和饱和水汽压差，以及植物因素，如叶面积指数、叶片温度和气孔导度等，均能显著影响沙柳的蒸腾作用。

They may cling to air holes and look like very fine sawdust.

他们可能固守空气孔，样子非常细微的木屑。

Under normal conditions the sebaceous glands release oil that comes up through your pores onto the skin surface.

在正常情况下，皮脂腺分泌的油释放，是通过你的气孔洒在皮肤表面。

In this paper,a method to determine the fractal dimension of pore-solid interface in porous solid materials by the small angle X-ray scattering is introduced.This method is also used to determine the fractal structure of fly ash-cement pastes.

简要介绍了用X 射线小角散射分析技术测定多孔固体材料中气孔固体界面分形维数的理论，并将这一理论用于测定粉煤灰水泥浆体的分形结构。

Porosity is the result of gas entrapment in the solidifying metal.

气孔是由残留在固态金属中的气体形成的。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！