查询词典 calcareous

The result indicated :(1) phosphoric acid could effectively reduce the pH value in calcareous soil .

试验结果表明：①磷酸能有效地降低石灰性土壤的pH值，在本试验条件下，要使土壤pH值由8.89降低到6.0左右，最佳酸用量为3.27g。

This paper studied the effects of interaction of phosphorus and cadmium on the growth of spinach in calcareous soils through pot experiment.

采用盆栽试验，研究了石灰性土壤中磷、镉交互作用对菠菜生长的影响。

Under the same conditions, the effect of ARF (pH 1. 0～2. 0) application on the soil pH value was different on two different calcareous soils in texture and pH value.

在同样条件下，酸性根际肥（pH 1.0～2.0）对不同质地的两个石灰性土壤pH值的影响和对土壤铁的活化程度是不同的。

The calcareous skeletons of this distinctive species have weathered out from the limestone matrix.

这一独特物种的钙质骨骼已在石灰石矩阵中风化。

Interaction of cadmium and phosphorus in calcareous soil was studied through a P and Cd absorption/desorption experiment.

通过P、Cd吸附解吸试验研究了石灰性土壤中P、Cd之间的交互作用。

On calcareous soil, there is equilibrium between CaCO_3 and bicarbonate (HCO_3-).

在石灰性土壤中，CaCO_3与HCO_3-之间存在着平衡关系。

Zinc deficiency and drought are two major factors limiting crop growth and development in calcareous soils of North China.

我国北方地区石灰性土壤上缺锌与干旱限制因子同时存在，影响作物生长和产量提高。

L Calcareous soil - Alkaline soil with high levels of calcium and Magnesium carbonate.

l 石灰性土-含有大量碳酸镁和钙质的碱性土壤。

Calcareous sand is a special marine geotechnical medium,which has unexpected physical and mechanical property due to its origin and fabric.

钙质砂是分布于热带海洋中的一种特殊岩土介质，由于成因和组构上的特点导致其物理力学性质与常规的陆源砂有所区别。

In the northern area of china, phosphorus utilization ratio in calcareous soil is low, which makes production cost high.

我国北方石灰性土壤磷肥当季利用率较低，造成农业生产成本较高。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。