查询词典 sandy soil

It also carries on four levels of single-factor laboratory experiments with three sample soils: clay, cohesionless soil and sandy soil, concerning three elements: cement mixture ratio, age, water content in order to find out the contractibility under different test conditions, and also the permeability of locking surface between cement soil and concrete.

试验选择粘土，粉砂土和粗砂土三种土质，采用室内试块试验的研究方法，选择水泥掺入比、龄期、含水量三种因素，分别进行了四种不同水平的单因素试验，研究水泥土在不同养护条件下的收缩性，通过水泥土和混凝土咬合面渗透试验来检验两者咬合面的抗渗性。

However, the liquefaction of sandy soil and silty soil is just the direct factor leading to fluidization of landslide.

而滑坡体中砂土和粉土液化现象的发生，直接诱发了滑坡体流态化现象的发生。

The purpose of this study is to reveal the change characteristics of biological properties of sandy soil and its development trend under the establishment of C. microphylla plantations in flowing sand dune. With semi-moving sand dune and natural community as controls, the activities of phosphomonoesterase, saccharase, protease, urease, dehydrogenase and the Contents of microbial biomass C, N, P of the soil in an age sequence (5-, 10-, 22-year) of C.

为探讨采用小叶锦鸡儿固定流沙后，土壤生物活性的变化特点和发展趋势，选取5、10、22年生小叶锦鸡儿人工固沙群落为对象，以半流动沙丘和天然群落为对照，研究了人工固沙群落发育过程中土壤磷酸单酯酶、蔗糖酶、蛋白酶、脲酶、脱氢酶的活性和微生物生物量C、N、P质量分数的变化特征。

The germination rate of A. fruticosa was highest in sandy soil and its growth in forest soil was biggest.

结论］紫穗槐在沙土中的发芽率最高，在森林土中的生长量最大。

Aeolian sandy soil ; water infiltration ; soil water redistribution ; wetting front ; Tarim Desert Highway shelter-forest

风沙土；入渗；土壤水分再分布；湿润锋；塔里木沙漠公路防护林

Through indoor simulation degradation experiments, microbial degradation of six sulfonamides in sandy soil was carried out to investigate the influence of soil types,concentrations and temperatures on degradation of sulfadiazine.

通过室内模拟降解试验，研究了6种磺胺类药物在砂土中的微生物降解，并考察了土壤类型、浓度和温度对磺胺嘧啶降解的影响。

It is concluded that soil solidifier, as a new construction material, can be applied in project construction which demands lower intensity; it is technically applicable; and the sand-stone solidifier has more remarkable effects than soil and sandy soil.

得出结论：土壤固化剂作为一种新型建筑材料，应用于强度要求较低的工程建设中，技术是可行的，其固化沙石的效果较低土、沙性土的效果显著。

Temperature in three type of soil (sandy soil, cohensive soil, and mixture of them) out of the subterrene was tested with CIT-I infrared pyrometer and K thermocouple on the experiment platform, the result is measure up to the calculating result.

在热熔钻进实验台上采用CIT-I型红外测温仪和K型热电偶对热熔器外三种类型的土(砂土、粘性土、砂土与粘性土的混合土)中的温度进行了实测，对结果的分析和结论与理论的计算结果是吻合的。

For example, it can be easily stated that this result will play a key role for distinction of saline soil and sandy soil on the satellite images due to the absorption in long spectral bands for lower soil layers of CSS.

例如，它可以很容易地指出，这一结果将起到关键作用的区别盐渍土和沙质土壤上的卫星图像，由于在长期的吸收谱带较低土层的CSS 。

Less complicated ─ crushed stone soil, sandy soil and filling medium dense, plastic clay soil, water table above the fundus elevation, but easy to unwatering

较复杂──中密碎石土、砂土和填土，可塑粘性土，地下水位在基底标高之上，但易疏干

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。