查询词典 soil

In order to solve the similitude problem of shaking table scale modle test of dynamic interaction of pile-soil-bridge structure in ground of soil liquefaction, based on the theorem of Bockingham π widely applied at present, the dimensional analysis method is used, and the constitutive strain-stress relationship of material between model and prototype and the dynamic response similarity of pile-soil interface are considered at the same time.

基于目前广泛应用的Bockingham π定理，主要采用量纲分析方法，并且结合考虑模型与原型之间的材料变形应力-应变本构关系及桩－土接触边界动力响应相似性，求解液化场地桩－土－桥梁结构动力相互作用振动台试验的模型设计相似关系，同时提出人工质量问题的解决办法。

As compared with the traditional irrigation-traditional fertilization, the following results of the improved traditional irrigation-optimized fertilization were obtained: reduced tiller number per unit area, lower percentage of the tiller ear number/the tiller number, the decreased ear number per unit area, the greatly reduced grain number per ear (1999-2000) and like weight of 1, 000 grains; almost the same plant height; shorter base internode length, a bit more weight per unit internode length, longer internode length under ear; lower LAI values in middle and later stages; coincident process of dry matter accumulation from straight growth onwards, a little more dry matter accumulation amount from earing to maturity; shorter and thicker flag leaf, 2〓 leaf, 3〓 leaf and 4〓 leaf from top, reduced total area of these leave; bigger mean canopy leaf tilt angle, smaller light extinction coefficient , higher ratio of light penetration in the upper, middle and lower parts of the wheat canopy, and tighter plant type; almost identical dynamic change of flag leaf chlorophyll content; and almost the same root amount in 0-120cm soil layer, smaller rate of progressive decrease of the root length density and root weight density with soil getting deep and relatively increased root amount in deeper soil layers.

在传统灌溉-优化施肥条件下，冬小麦单位面积总分蘖数比传统水肥减少，成穗率降低，单位面积穗数有所减少，穗粒数、千粒重无显著性差异；株高基本无变化；基部节间长度缩短，充实度略微增高，穗下节间增长；中后期叶面积指数略低于传统水肥；起身至成熟干物质积累量动态变化过程与传统水肥十分接近，但抽穗至成熟形成的干物质量增加；旗叶、倒2叶倒3叶、倒4叶叶长及总叶面积有所减少，叶片相对增厚；冠层平均叶倾角大，消光系数小，冠层各层的透光率较高，株型紧凑；旗叶叶绿素含量动态变化与传统水肥十分接近；0-120cm土层总根量与传统水肥也差异不大，但根长密度和根重密度随土层深度递减速度较慢，根系在下层土壤的分布相对增多。

Introduce of actual acidification velocity(H~+ produced) for evaluating the acidifying effects of soil tested,only the stimulated acid rain with pH2.5 could lead to soil acidifying,however,acid rains with pH≥3.5 played a buffering role to soils tested,with the weakening of soil acidity.

引进土壤的实际酸化速率H产生+值衡量供试土壤的酸化，只有pH2.5的模拟酸雨淋溶促进了土壤的酸化，而pH≥3.5的模拟酸雨处理对土壤的酸化具有一定的缓冲作用，且土壤酸度减弱。

After insecticide carbofuran was applied to soil, the results were compared with control soil: The number of soil aerobic bacteria actinomyces, ammonifying bacteria and mold was strongly restrained, and the restrainratio and pesticide concentration have positive correlation.

土壤中添加杀虫剂呋喃丹后，与未添加农药的对照土壤相比，土壤中好氧性细菌、放线菌、氨化细菌、霉菌均受到较强的抑制，且抑制率与施药浓度呈正相关性。

The preference soil pit was contour line pit, the second choice was soil digging at slope bestriding ridge, and the last selection was soil digging at slope without striding over ridge. And the preference residue pit was low-lying, next was flat pit, and the last choice was ditch or slope pits.

提出了借土场和弃渣场的优先选择方法：借土方式应优先选择沿等高线借土，跨山脊坡面借土次之，最后考虑不跨山脊坡面借土；弃渣方式应优先选择填洼弃渣，平地弃渣次之，最后选择沟道弃渣或坡面弃渣。

The nonlinear mechanical model of contact between soil particles was established based on the effects of liquid bridges on mechanical microstructure of soil and the basic Distinct Element Method theory. The dynamic behaviors of dry soil ahead of the bulldozing plate with different cutting angles were simulated by DEM.

根据液桥对土壤微观力学结构的影响，在传统离散单元法理论的基础上，建立了土壤颗粒接触非线性力学模型，并对不同切土角推土板前端干土壤的动态行为进行了离散元模拟。

3The study on the diversity of soil microbial community of Pinus bunging Zucc.et Endl 20 diferent microbial community in the soil were analyzed and compared by species richness index,diversity index and evenness index.The result showed that Species Composition,Quantity Variation and Bio-diversities ect.of soil microbial community differed.

3白皮松土壤微生物群落多样性研究运用丰富度指数、均匀度指数和多样性指数对不同生境的土壤微生物进行分析比较，结果表明，分布在20个样地的微生物各自组成了相应的群落，群落内属的种类、数量组成、多样性、均匀性等都是不同的。

YTG solidating agent will jelling with soil granule,A new kind of lattice appears in soil.The compressive effect will make the connection among lattice more tight.YTG improve the physical and mechanical behavior of soil.And this kind of jelling effect can process in water and air.

通过对YTG岩土固化剂在渠道防渗实际工程中的应用，分析论证了YTG与土颗粒胶凝在一起，形成新的格构，初期施工的压实效应会使格构间联系的更加牢固，YTG改善了土的物理力学性能，发挥了固结剂的强度。

The main findings were as follows: 1.the studied on the research area soil fertility factor and the quality of material had carried on the traditional statistical analysis,compared with the nation second general detailed soil surveys nutrient grading standards result indicated that the sampling area main fertility factor density concentrated much in medium and lacks level;The AP content was lower,the type area soil was more barren.

主要研究结果如下： 1。对研究样区土壤肥力因素和质地进行了传统统计分析，并与全国第二次土壤普查的养分分级标准比较结果表明，采样区主要肥力因素量值多集中在中等及较缺水平；速效磷含量更低，样区土壤较为贫瘠。

Lay the rose against the side of the trench on which you have mounded the soil and simply dig more soil over the roots, compressing the soil as you go.

把苗放在你已经堆起土的深沟里然后简单的挖更多的土覆盖上根系上，在你离开之前把土压实。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。