Impermeable clay limits downward percolation of water and fulvic acids, reducing chemical weathering and podzolization.
不可渗透的粘土限制了水和黄腐酸的向下渗透，从而减少了化学风化和土壤灰化作用。
Chemical weathering was beginning to attack the unweathered bedrock.
化学侵蚀作用开始攻击还未侵蚀的岩床。
Because of discontinuity, chemical weathering can add water-rock interface and raise mineral dissolution rate.
由于非连续特性，化学风化可增大水岩界面，提升矿物溶解反应的规模及速率。
Strong chemical weathering underwent by the Xiashu loess might be related to strong monsoon climate in the lower reaches of the Changjiang River.
下蜀土较强的化学风化过程可能受长江下游地区较强的季风性气候控制。
The results show that the soils have, in varying degree inherited some properties of purple sedimentary rocks for their very weak chemical weathering.
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 variation of frequency curve's mode peak content with the increasing of depth, shows not only the trend of chemical weathering but also variation gradient of weathering extent.
频率曲线众数峰含量随深度的变化，不但指示了化学风化趋势，而且反映了风化程度的变化梯度。
It is important to ascertain the role of sulfuric acid in carbonate weathering so as to understand the chemical weathering rate carbonate rocks, CO2 consumption and global carbon cycle.
在碳酸盐岩地区，流域侵蚀过程中硫酸是否参与，对于我们正确理解流域化学风化速率，以及流域侵蚀对大气co2的消耗和全球碳循环等都有重要的意义。
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.
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。
Research is needed on chemical methods to accelerate the natural weathering process by which minerals form carbonates.
需要就化学方法加快矿物转化为碳酸盐的自然风化过程进行研究。
The ores with different weathering degree have different characteristics in mineralogy and chemical composition. Therefore, they can be quantitatively distinguished according to the chemical analysis.
不同风化程度的矿石有不同的矿物学和化学组分特征，因而可以根据化学分析结果作定量判别。
The main factors influenced fractures development are the tectogenesis, the physical weathering and the chemical dissolution.
影响裂缝发育的主要因素是构造、物理风化和化学淋溶作用。
The external causes include the effects of environmental and service conditions to which concrete is subjected, such as weathering, chemical actions and wear.
外在起因包括混凝土被服从环境和服务情况的作用，譬如风化、化工行动和穿戴。
To study the rule of change of rock chemical composition in the weathering process is very important for further research of weathering mechanism and change in rock's physics mechanics character.
研究岩石风化过程中岩石化学成分的变化规律，对于进一步研究岩石的风化机理以及岩石的物理力学性质变化过程有着十分重要的意义。
The factors related with metamorphic reservoir space are crystallization, structure, physical weathering, and chemical eluviation.
变质岩储集空间形成主要有：结晶成因、构造成因、物理风化成因、化学淋溶成因。
Accordingly, the distribution of elements content and the chemical parameter all can show the variety of environment and intension of weathering in the Weihe Valley.
因此，黄土-古土壤序列中元素含量的分布、化学综合参数等地球化学特征都对环境变化有直接的指示意义，代表了该区域化学风化的强度及时空规律。
The chemical components of palygorskite, montmorillonite, palygorskite clay, montmorillonite clay, basalt, and weathering basalt were contrasted on the base of the research of mineral components.
在矿物组成研究的基础上，对比研究了凹凸棒石、蒙脱石、凹凸棒石粘土、蒙脱石粘土、玄武岩、风化玄武岩的化学组成。
Based on the chemical analysis, the change of chemical composition of slope rock and the weathering process of slope in red bed were stated.
根据对红层岩石的化学分析，阐述了红层边坡风化过程中化学成分的变化及其风化进程。
Rocks with different weathering degrees should possess distinctive chemical compositions, which thus can be used to develop various weathering indices.
不同风化程度的岩石处于整个化学风化过程的不同阶段，因而具有不同的化学成分和风化度指标。
Weathering means the physical and chemical change of minerals and rock under new physical and chemical condition. It is a change in original place affected by atmosphere and bioss.
风化(weathering)作用：是指矿物、岩石在地表新的物理、化学条件下所产生的一切物理状态和化学成分的变化，是在大气及生物影响下岩石在原地发生的破坏作用。
Palram coverings help control climatic conditions, eliminate condensation dripping, confront weathering and chemical issues and allow your agricultural structures to last longer.
帕拉姆板材可以抵御恶劣天气影响、防止滴露、减缓自然侵蚀和化学物质腐蚀，使您的农用结构寿命更加长久。
Chemical compositions and application properties of sepiolite formed by weathering-leaching geological action and occurred in asbestos mine in Xinkang, Sichuan were studied in the paper.
以四川新康石棉矿中风化林滤成因海泡石为研究对象，对其化学成分、应用性能进行了研究。
The end-member identification by the intercorrelations between chemical and isotopic ratios shows three main sources, which are derived from weathering of limestone, dolomite and silicates.
对河水的化学计量分析表明河水化学组成受碳酸盐岩溶解控制，而碳酸盐岩主要受碳酸和硫酸作用而溶解。
The end-member identification by the intercorrelations between chemical and isotopic ratios shows three main sources, which are derived from weathering of limestone, dolomite and silicates.
对河水的化学计量分析表明河水化学组成受碳酸盐岩溶解控制，而碳酸盐岩主要受碳酸和硫酸作用而溶解。
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