查询词典 soil

If they are not recycled properly, one dry cell battery buried in the soil is able to make a square meter of soil permanently unusable.

若没好好回收，一颗乾电池若埋在土里将能使一平方公尺的土壤永久失去利用价值。

The change of soil quality in the water~irrigated farm, dry farm and vegetable plots is mainly depended on the mans management and input level. And in the good tillage and high input farmlands the soil fertility quality is obviously increased.

水浇地、旱地和菜地土壤肥力质培的变化主要取决于人为管理和投入水平，耕作精细、投入较高的土地，其土壤肥力质量有明显的提高。

So the variety of L21 andLainong9217 should be planted in dry land of high yield,and the variety ofLainong8834 and YD27 in dry land of middle yield,and gaining high yieldand high efficiency.2 The researches on the flag leaf and root system senescence after anthesisand yield were studied in dry land wheat of high yield,the activity of super-oxide dismatase and catalase、and the soluble protein content、Cytokinincontent in wheat flag leaf and root system after anthesisand Cytokinincontent in grain decreased slowly,and the content ofmalondiadehydeand the Abscisic Acidcontent in wheat flagleaf and root system and the Abscisic Acidcontent in grain increasedslowly,meanwhile keep higher root vigor and the root vigor decreased slow-ly,the result would be benefit to delay the senescence and gain high yield.3 The effects of soil thickness on the senescence of flag leaf and root sys-tem、nitrogen distribution and utilization and water consumption law andyield in dry land wheat had been studied in soil column and field.

通过大田条件下旱地高产小麦耗水规律及产量变化的研究表明，4个品种耗水量、产量、水分生产率、籽粒产量中来自花后光合器官输送的比例及综合效益评判结果均以鲁麦21和莱农9217为高，而莱农8834和烟D27则与此相反，因而在旱地高产麦田应以种植鲁麦21和莱农9217为主，中产麦田以莱农8834和烟D27为主，以获得高产高效。2在旱地高产大田对鲁麦21与烟D27两品种花后旗叶、根系衰老及产量变化进行了研究，认为花后旗叶与根系SOD、CAT活性、可溶性蛋白质含量、i-PAs含量及籽粒iPAs含量降低缓慢，MDA含量、ABA含量及籽粒ABA含量增加缓慢，同时保持较高的根系活力且下降缓慢，有利于延缓衰老，形成高产。3土层厚度对旱地小麦花后衰老、氮素分配利用及产量的影响进行了研究，随土层厚度加深，根系活力、根系与旗叶SOD、CAT活性及可溶性蛋白质含量增加，MDA含量减少，土层愈薄，其根系与旗叶衰老愈快。

The dynamic cohesion of reinforced-soil increases obviously, but its dynamic internal friction angle is unchanged compared with pure soil.

一层加筋的阻尼比比两层加筋的阻尼比要大；土体的密实度对阻尼比有较为明显的影响，密实度越大阻尼比越大。

The precipitation efficacity showed multi-index curve relationship with the soil water content and precipitation in the base period and the evaporation efficacity showed index curve relationship with the soil water content in the base period.

降水效力与基期土壤含水量、降水量呈多元指数曲线关系，蒸发效力与基期土壤含水量呈指数曲线关系。

The Highway tunnel with small spacing entrance to cave a term of stratum thinner, belonging to strong effloresce band, wall rock generally more broken, and usually clipping soil layer, for this kind of disadvantage condition in soil arch, how reasonable exploitation every kind of construction method, while insuring the safe premise, lower the engineering cost, increasing work efficiency.

高速公路小净距隧道洞口段的地层较薄，多属于强风化带，围岩一般比较破碎，而且通常夹有土层，那么对于这种不利于土体成拱的条件下，怎样合理利用好各种施工方法，提高工作效率，同时对岩层的破坏机理研究，各种施工方法对围岩影响的研究，这些工作是目前急需解决的问题。

Above all this promotes the development of the problem of dynamic soil-structure interaction. The study of dynamic interaction of foundations and soils is of great value to the development of the elastodynamics and is helpful to physical geography, seismography, and rock and soil mechanics, owning practical.

土体与结构的相互作用是当代力学领域的前沿性研究课题，并涉及到土动力学、结构动力学、非线性振动理论、地震工程学、岩土及结构抗震工程学、计算力学及计算机技术等众多学科。

Hence,in this study, the change of soil microbial communities were investigated through direct current field ,which is supposed of provide a theory basis for soil electrokinetic bioremediation technology.

而电场作用下土壤微生物群落的变化与利用电场生物修复效率密切相关，本文鉴此研究了直流电场作用下对土壤微生物群落多样性的变化规律，以期为电动生物修复技术的应用提供了一定的科学理论依据。

The results of tests on salt content and soluble ions of these samples show that: pH value of soil in this area is between 7.82 ~ 8.26, the thickness of salt collection layer is in 0~20cm, 40~60cm,soil salt is on up as a whole, but there is also some eluviation.

样品的盐分以及各可溶性离子含量的测试结果表明：区内土壤pH值在7.82～8.26之间，盐分聚集层的厚度在0～20 cm，40～60 cm，总体以盐分上行为主，但也有淋滤作用发生。

This indicated that the distribution of elements in soil and the soil water of the same feature as a whole, because of long-term eluviation.

即洼地土壤和土壤水的Ca、Mg含量较坡地低，而K、Na、Fe、Zn、Mn、Cu、B等含量较坡地高，这是地貌条件控制下元素迁移的结果。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。