查询词典 surface of the soil

Aeolian grain transport on the soil-like surface composed of fine sand and silt is measured in a wind tunnel.

通过风洞实验研究了由细沙粒和粗粉粒组成的类土壤颗粒的风力输运过程。

The surface of desert biological soil crust formation mechanism, and their impact on the environment, biota, from another point of view of ecosystem stability and maintenance, but also has important theoretical and practical significance.

探讨荒漠地表生物结皮形成机制，及其对环境生物群的影响，从另一角度研究生态系统的稳定与维持，而且具有重要理论与实践意义。

Big bluestem persists from year to year, spreading by seed and rhizome, creating an underground web of coarse roots near the surface as well as fine root fibers that may reach eight feet deep where the soil allows.

大草原牧场坚持每年都传播种子和植物根茎，在地表周围建立了一个根部网络，就像根部的纤维一样，能将养分传送到8英尺深的土壤中。

Factor analysis is applied to 3,061 samples of the surface soil of Chengdu basin after a progress of regression analysis, in which arsenic is used as dependent variable while other elements are used as independent variables. Elements with higher factor loading are selected to compose characteristic groups.

对成都盆地3061个浅层土壤样品以元素为变量进行砷回归分析，在回归模型的基础上进行R型因子分析，并选取因子载荷较大的元素作为特征元素组合。

In loessal regions and alluvial valley fills of the western United States, both surface soil and subsoil are commonly friable

在美国西部黄土区和冲积河谷里，表土和底土一般是容易破碎的。

Multipleprediction regression equations on surface runoff and soil erosion quantities are givenin the dissertation.The prediction errors of these equations are about 15% to20%.

另外，应用地表径流小区观测资料推算土壤的抗冲性指标一抗冲模数，能够真正地反映野外降水击溅和径流冲刷对土壤侵蚀量大小的影响。

Theradial range of the root-soil ecoboundary was 60μm inside and 40μm outsideof root surface with variation space of 100μm 40μm inside and 20μm outsidewith variation space of 60μm,30μm inside and 90μm outside with variationspace of 120μm and 20μm inside and 10μm outside with variation space of30μm using N、P、K and Mg concentration as a characterization parameterrespectively.

运用电子探针技术对红松幼苗根土生态界面进行定量的点分析，并依据界面中营养元素的浓度梯度对根土生态界面进行刻画，结果表明，以N来刻画，其根土生态界面的范围是从根60μm到土40μm(以根表为分界线，分别向根组织方向和土壤方向测点)，变动空间是100μm；以P刻画的根土生态界面的范围是从根40μm到土20μm，变动空间是60μm；以K刻画的根土生态界面的范围是从根30μm到土90μm，变动空间是120μm；以Mg来刻画，其根土生态界面的范围是从根20μm到土10μm，变动空间为30μm。

However, the vertical face of a sandcastle built with most silly sand illustrates the effects of surface tension on soil with small particles.

然而，垂直面对沙堡建造的最愚蠢的沙子说明影响表面张力对土壤与小颗粒。

Soil physical properties(Water saturated content、Field capacity、Capillary porosity、Non-capillary porosity、The total porosity) The number of micro-organisms(bacteria,fungi and actinomycetes)、activity of the enzyme and nutrient content (Organic matter、TN、AN、P、AP) In the two types of landscape are reflected in the type of surface(0-20cm) higher than the sub-surface(20-40cm).

2土壤物理性质(饱和含水量、田间持水量、毛管孔隙度、非毛管孔隙度、总孔隙度)、微生物数量、酶活性(过氧化氢酶、脲酶和蔗糖酶)及养分含量(有机质、全氮、有效氮、全磷、速效磷)在不同景观及其界面中均表现为表层(0-20cm)高于亚表层(20-40cm)。

The method uses leakage currents of all conductor segments and the surface charge densities on the surface of finite volume as unknown variables.The number of unknown variables used in this method is much less than those in other methods,and the grounding system buried in multi-layer soil with arbitrary numbers of layers can be analyzed.

这种方法以导体上的漏电流和有限体积材料表面的电荷密度为待求变量，与国际上其他方法相比，该方法使用的未知量数显著减少，并且可以分析复杂多层土壤中的接地网性能。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失