查询词典 water and soil

The artificially simulated rainfall was used to study the effects of 2 grass hedgerows, i.e. Pennisetum alopecuroide and Arundinella hirta on the soil and water loss and soil nutrient of slope land.

方法］采用人工模拟降雨法研究狼尾草和野古草2种草篱对坡耕地水土流失和土壤养分的影响。

The results showed that:(1)The amount of runoffs and bedloads is a joint result of rain,soil,plants and terrain, along with the growth of herding grass, the function of cumulating water and protecting soil would produce quickly.

结果表明：(1)径流量和泥沙量的大小是降雨、土壤、植被、地形因子共同作用的结果，随着牧草的生长，其蓄水保土作用会快速产生。

In abandoned land and peripheral desert of oasis, influenced by irrigation of oasis, groundwater table has been raised above the critical depth.Because the soil salt cannot be eluviated by irrigation water and precipitation, salt brought to the upper layers of soils by strong evaporation is especially concentrated on soil surface.

绿洲内的撂荒地和靠近绿洲的荒漠草地受绿洲内部灌溉过程的影响，地下水位升高，超过了地下水的临界深度，同时又因为缺少灌溉的反复淋洗，在强烈的蒸发作用下，盐分的表聚现象十分明显，而且整个剖面内盐分的含量都较高，土壤的盐渍化现象非常严重。

The blasting test demonstrates that the horizontal stress wave contributes more to water drainage than vertical stress wave, reducing water drainage distance is favorable to squeezing water and consolidation of soil, the blasting powder amount influences lest result greatly.

爆炸试验表明，水平向应力波对土体排水的贡献大于竖向应力波，缩短排水距离有利于土体的排水固结，炸药用量对试验有很大影响。

Wheat was hydroponically planted to study the characteristics of C(superscript -) uptake and accumulation of wheat and soil C(superscript -) movements in different soil water moistures at the seedling stage by C(superscript -) tracing.

以小麦为试材，采用盆栽试验和氯离子指示技术，研究了不同土壤水分条件下，小麦在苗期对氯离子的吸收与累积特性和同期土壤中氯离子迁移特征。

The corresponding geological, hydrogeological and professional models are set up by using the immersion sense, interaction with computer as well as realtime forecast function of VRT so that hydrogeological conditions, groundwater flow, groundwater quality , environmental geological problems such as land subsidence, sea water intrusion, soil desertification, soil salinizationalkalization, swampiness and the development tendency of cone of depression caused by groundwater exploitation, can be represented in the virtual environment.

利用虚拟现实技术沉浸感、与计算机的交互功能和实时表现功能，建立相关的地质、水文地质模型和专业模型，进而实现对含水层结构、地下水流、地下水质和环境地质问题（例如地面沉降、海水入侵、土壤沙漠化、盐渍化、沼泽化及区域降落漏斗扩展趋势）的虚拟表达。

The real-time, fast, and accurate measurements of sediment and flow rate can help to understand the dynamic soil erosion processes and to automate the monitoring practice of water loss and soil erosion.Volumetric or oven-dry method has long been the standard method for determining sediment concentration.

坡地径流全过程含沙量和径流量的连续、快速、准确和动态监测，为研究土壤侵蚀动态力学过程提供重要的参数，同时使水土流失动态监测网络向自动化和智能化过渡。

Peat has properties of water and nutrient conservation, its soil organic matter and cellulose was also rather abundant, so peat is an important soil amendment.

中文摘要：草炭有机质含量高，疏松多孔，纤维含量丰富，保水保肥力强，是一种重要的土壤改良剂。

Through development of multiple cropping to exploit the sunlight resources, thermal resources, water resources and soil resources of farmland in summer fallow period is very helpful for improvement of soil fertility and to prevent fie...

发展多熟种植，开发利用夏闲期农田光热水土资源，有助于改善农田土壤肥力、缓解农田生态系统退化、增加农区畜牧业饲料来源，实现农牧结合，增加农牧民经济收入。

Results showed that soil and water loss was serious, and soil erosion modulus was about 32 360 t/(km^2a) on spoil ground. Moreover, distinct gully erosion was observed on the slope.

结果表明，弃土场水土流失剧烈，侵蚀模数平均为3.24×10^4t/，边坡沟蚀现象明显。

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。