variation of vertical

The vertical variation of Hg contents in the relic site strata are related to the regional human activities, climate conditions, vegetation status and sediment grain size, namely the regional natural environment evolution.

同时发现，汞含量在地层中呈垂直波动变化，这反映了该地区人类生产活动、气候条件、植被状况和剖面沉积物粒度大小等的影响，即与该地区人类活动以及自然环境演变有相当关系。

Vertical variation of soil environmental characteristics in suburban development zones

城郊新建开发区土壤环境特征垂直变化分析

Vertical variation and controlled mechanism of the saturation indices for calcite in Vanda Salt Lake water, Antarctica

南极洲万达盐湖水中方解石饱和指数的垂直变化及其控制因素

The variation of composition and nature of every soil type humus vertical distribution is obvious.

各土类腐殖质组成性质垂直变化明显。

The difference of the vertical distribution of foliage was greatly attributed to leaf size, while for the horizontal variation of foliage, the leaf number played a great part.

垂直分布上的差异主要体现于叶片大小上，而水平分布的差异则主要体现在叶片数目上。

The concentration of S-P in bottom layer showed higher but was no variation along vertical direction.

水体可溶性磷浓度以底层较高,但无显著的层次变化.

According to the variation model of Pb isotopic composition in crustal vertical section, the northern Dabie complex is beneath the southern Dabie ultrahigh-pressure metamorphic belt and the former is of the middle-lower crustal properties and the latter is of the upper crustal properties.

考虑到北部杂岩带在地壳结构上应位于南部超高压带之下，以及北大别正片麻岩具有中、下地壳性质而南大别花岗片麻岩则具有上地壳特征。