查询词典 water and soil

The spectral reflectance of dichondra turf was studies by measuring the leaf relative water content, chlorophyll content and soil water content under different drought levels.

通过在不同灌水处理下马蹄金草坪干旱胁迫试验，对草坪反射光谱的变化及所对应的叶片相对含水量、叶绿素含量以及草坪外观变化进行测定。

The water conservancy industry also faces challenges of different kinds of water crisis: such as, flood, drought, serious headwaters pollution and soil erosion.

水利行业也同样要面对不断发生的洪水、大面积的干旱、严重的水源污染及水土流失等的直接和间接的水危机的威胁。

It is important to study isotopic variations in input water in soil system for water movement mechanism and hydrograph separation.

土壤是一个复杂的系统，研究土壤对输入水分中氢氧稳定同位素组成的影响对了解水分在土壤中的运移机理及流域径流分割等具有重要作用。

Lateral routing flow of surface water and subsurface soil water become necessary in land surface simulation in mountainous regions.

地表水以及土壤水的侧向流动成为山区水文过程必须考虑的部分。

In connection with the additional recording of the amounts of percolating water and precipitation it also permits the quantification of water balance of the soil column.

关于其它的一些渗透水和沉淀水的量的记录，土柱中水平衡也可以定量化。

The results indicate: the corrosion of Q235 in 10% water content soil was con trolled by anodic reaction, while in soils with 20%and 34%water contents, it was controlled by dif fuse step in cathodic reaction.

结果表明：在质量分数为10%含水的滨海盐土中，Q235的腐蚀主要受阳极控制，而在20%，34%含水滨海盐土巾，其主要受阴极反应中扩散步骤控制。

With the action of leaching by rain and water and self-combustion , some hazardous trace elements and harmful organic materials will be dissolved completely or partly and move out from coal mining waster into water, soil and gas.

大量的煤矸石在雨水和地表水的淋溶以及自燃等自然条件作用下，一些有害微量元素能够溶解、挥发出来进入水体、土壤环境和大气环境，从而造成水体质量下降、土壤功能被破坏、大气污染，并由此对生态发展和人体健康有严重的影响。

This paper deals with the advantages of agricultural production in Jiujiang from atmosphere, water resources, soil and water areas. Jiujiang has high level and high intensity of agricultural production, great advantages of economic crops and sea fishery, the framework of agricultural distribution has already formed. Cotton, forestry, and fishery have level advantage and product advantage in Jiangxi province.

本文从气候、水资源、土壤、水域，探讨了九江发展农业生产的有利条件；探讨了九江具有农业生产水平和集约化程度较高，经济作物和水产养殖优势明显，农业专业化生产布局框架初步形成的农业发展特点，以及棉、麻、林业和渔业具有的规模和产值比较优势。

Crop sensitive to water and salt press has been analyzed with the BP-CRWS established in this research. The result showed in light-moderate salty soil, the sunflower is most sensitive to water in squaring stage and the following is flowing stage, seedling stage.

运用所建立的模型进行了作物水盐响应敏感性分析研究，得到中轻度含盐土壤中油料向日葵在现蕾期对缺水最敏感，其次是开花期和苗期；而在重度含盐土壤中，油料向日葵对缺水敏感由大到小依次是苗期、现蕾期、开花期。

Over RMB 91 million has been invested to 55 key projects of point source pollution control, recovery, supervision and management of ecology, and science and technology demonstration in the tenth five-year plan, which has effectively controlled the water pollution in both lakes, greatly improved the ecological environment of the river basin and reduced the harm of water loss and soil erosion caused by mud slide etc.

十五期间共投入9100多万元资金先后实施了点源污染控制、生态恢复、监督管理、科技示范等55个重点项目，有效控制了两湖水体的污染，大大改善了流域的生态环境，降低了泥石流等水土流失的危害。

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。