某些植物起了风化作用的辅助作用。
研究了硅酸盐细菌对矿物的风化作用。
This paper focuses on mineral weathering by silicate bacteria.
岩石的风化作用基本上是一种静力作用。
铝土矿全部是风化作用形成的，无一例外。
All of the bauxites are formed by weathering without any exception.
那里的土壤是经过风化作用的石灰石土壤或黄土。
研究认为它们是磷灰石风化作用形成的表生矿物。
Studies of these minerals show they are hypergene minerals formed from weathering of apatite.
持续的风化作用和自然地貎的改变导致罕见的环境。
The continuous dynamics of the erosion and the transformation of the natural landscape result in an unusual environment.
大部分微量元素，包括锰和砷，通过自然过程中的岩石风化作用进入水体。
Most trace elements, including manganese and arsenic, get into the water through the natural process of rock weathering.
这说明水土流失不仅造成土壤养分的流失，但也促进土壤的风化作用。
Not only did soil erosion effect soil nutrients loss, but also promote soil weathering.
边坡岩体受卸荷、风化作用影响及节理裂隙的切割，整体力学性质较差。
Because of the side slope rock mass affected by unloading and weathering, and cutting of joints and cracks, the whole mechanical properties is poor.
酸淋溶试验同时也反映出研究区的风化作用实质上是一种天然的酸淋溶作用。
At the same time, our leaching experiments indicated that weathering in studying region is actually natural leaching process.
流域盆地的风化作用指数由北向南逐渐增加，这与世界上其它地区十分相似。
Also, the weathering indices which is a ratio of the stable to active elements, increases from the north to south, indicating the control of weathering on river chemistry.
研究区土壤风化作用强度规律性变化是造成区内土壤有效硅含量变化的主要原因。
The variation of available silicon was controlled by the variation of weathering intensity in the area studied.
微小纤细的骨骼通常在石化前就被食腐肉的动物拆散了，或者被风化作用破坏掉了。
The tiny, delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be fossilized.
从地质时代的一致性上反映硒的来源与西南地区峨眉山玄武岩喷发或风化作用有关。
The consistency of the geologic ages suggests that the selenium source is related to eruption or weathering of the Emeishan basalt in Southwest China.
菱铁矿等含铁碳酸盐在风化作用中向褐铁矿转化；在古风化壳中褐铁矿变为赤铁矿。
Under weathering carbonates, such as siderite are usually turned into limonite which finally occur as hematite in the Weathering crusts.
对寒冻风化作用的主要影响因素有海拔、坡向、温度和降水、岩性构造及地形条件等。
The main influential factors are altitude, aspect, temperature and precipitation, lithological characters and structure and relief.
结果显示，紫色沉积岩发育的土壤，在一定程度上继承了母岩的特点，化学风化作用微弱。
The results show that the soils have, in varying degree inherited some properties of purple sedimentary rocks for their very weak chemical weathering.
风化作用改变了岩石的矿物成分，岩石在风化过程中表现出来的阶段性，反映了岩石的不同风化程度。
Weathering action changes the mineral composition of rocks, and the periods of weathering process reflect weathering intensity.
抚顺市煤矸石堆积占全市面积的11.5%，煤矸石的风化作用导致了对环境，特别是对地下水的严重污染。
The total area of coal gangue piles occupies 11.5 percent of the whole area of Fushuncity. The weathering of coal gangue lead to the environment, especially underground water, seriously polluted.
但由于构造活动及地表风化作用的影响，矿层在地下水的作用下，其保存情况及矿石类型形成了明显的分带性。
But due to the influence of the structural activities and weathering in the surface, under the action of underground water, the ore types and the preservation of ore seam showed obvious zoning.
同时，所有样品伊利石化学指数值均大于0.5，说明粘土矿物经历了强烈的化学风化作用，盆地内部为暖湿气候。
Chemical index of the illite samples is higher than 0.5, indicating that clay minerals had undergone strong chemical weathering and interior of the Basin had a relatively warm and wet climate.
更新世阶段地壳迅速的抬升、外力的物理风化作用，特别是晚更新世间歇性山区洪水的冲蚀，是形成嶂谷的直接原因。
The rapid crustal uplift in the Pleistocene and physical weathering and erosion, especially the erosional process of the flood in the mountains, are the direct causes for the formation of the gorges.
岩石作为天然的建筑材料，通常承受着自然界的风化作用，因此，研究风化对岩石物理力学特性的影响是十分必要的。
As a kind of natural building material, rock usually is influenced by weathering. Therefore, it is necessary to research the influence of weathering on rock physical and mechanical characteristics.
岩石作为天然的建筑材料，通常承受着自然界的风化作用，因此，研究风化对岩石物理力学特性的影响是十分必要的。
As a kind of natural building material, rock usually is influenced by weathering. Therefore, it is necessary to research the influence of weathering on rock physical and mechanical characteristics.
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