查询词典 water and soil

It was shown that forest decreased soil runoff loss and improved soil water-conserving capacity from our investigation.

森林对防治灾减灾作用非常明显，它主要是通过树冠截留、减少地表径流和提高土壤蓄水性能来实现防灾抗灾作用的。

Among the variables selected, soil salinity, soil fertility, and irrigation water quality were the most important limiting factors, accounting for 52% of the total yield gap.

其中土壤盐碱度、土壤肥力和是否咸水灌溉是冬小麦的主要产量限制因子，其引起的产量差为727kghm^(-2)，占总模拟产量差的52%。

The soil on flat arboreous and covering hillside does not corrode, prevent river water to sweep soil, rise to hold the action of natural environment.

倒下的树木掩护山坡上的土壤不被侵蚀，防止河水冲走土壤，起到保持水土的作用。

The negative relationship between soil moisture evaporation and calcic nodule content could be attributed to the decrease of soil water content resulting from the increase of calcic nodule content.

土壤水分蒸发与钙结石含量之间的负相关关系与钙结石含量增加所导致的土壤含水率降低有关。

The addition of 2%~6% water glass admixes to the slag cement-laterite, it is helpful to the short-term and long-term strength of the improved soil. The unconfined compression strength after curing 14 days can be increase to be 13.65 fold of original lateritic soil.

添加2%~6%水玻璃掺料於高炉水泥和红土混合土中，对其早期及晚期的强度皆有帮助，且龄期14天的无围压缩强度可达原状红土的13.65倍。

Soil secondary salinization, it can lowerer the underground water lever and ejecter the soil salt in

为了防止土壤次生盐渍化，良好的排水系统是非常重要的，它可以降低地下水位和排出土壤盐分，做到灌排配套。

The petrolic substance, which penetrates into the soil with a lot of physical, chemical and biochemical function, will seriously pollute the water system of the soil.

这些石油类物质进入土壤环境后，会发生许多物理、化学和生化作用，造成土壤水环境系统的严重污染。

The soil water regionalization of Hebei Province should be based on the soil zonality, harmonize with the agricultural regionalization and keep the administration districts in integrity.

无论是灌溉水，还是天然降水，都要转化为土壤水后才能被作物根系吸收，它是农业和生态环境中各种作物和植被赖以生存的基础[1]。

The soil water characteristics curves of the typical Shanghai soil (layer ②1) in a suction range of 0~1400 kPa and a full suction range were obtained using these three lab techniques.

详细介绍了滤纸法、渗析法与气相法3种室内土样吸力量测方法，并采用这3种方法获取了上海浅层②1层土在0~1400 kPa范围以及全吸力范围上的土水特征曲线。

Plastic mulches directly affect the microclimate around the plant by modifying radiation at the soil surface and decreasing soil water loss.

通过调节向土表的辐射，减少土壤水分损失，塑料薄膜覆盖直接影响植物周围的微气候。

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。