weathering

In many porphyry copper deposits, additional enrichment of the metal has been caused by surficial weathering.

在许多斑岩铜矿矿床中, 地表风化使得金属铜进一步富集.

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The main controlling factors of reservoir developing are lithology , lithofacies and ancient weathering crust karstification.

储层发育的主要控制因素为岩性和岩相、古风化壳岩溶作用.

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To wear a surface away by weathering, abrasion, or foreign particle.

因天气或外来颗粒等原因导致表面被磨蚀.

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Keywords: CO 2, greenhouse effect, rock weathering, photocatalytic reduction, TiO 2.

关键词: 二氧化碳 、 温室效应 、 岩石风化 、 光催化还原 、 二氧化钛.

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It has passed weathering resistance & acid resistance test of state building material test center.

已通过国家建筑材料测试中心的耐候性 及 耐酸性测试.

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The rock physics mechanics property is bad, weathering and the soil erosion are mightiness.

岩体物理力学性质较差, 风化和水土流失强烈.

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The coatings shows good weathering performance and fire retardancy.

该涂料具有良好的耐候性、阻燃性.

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High resistance to heat, cold, ozone and weathering.

优异的耐热, 耐低温, 耐臭氧,防潮性能.

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The deposit is formed in marine invasion by weathering crust transportation, sedimentation, diagenesis and super genesis.

矿床是在海侵过程中风化壳解体,经搬运 、 沉积 、 成岩及表生作用形成.

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The magnesite originated from the peridotite by weathering.

菱镁矿是由橄榄岩风化形成的.

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The soil is depleted first by having crops grown in it and second by natural weathering and bacterial action.

土壤首先是被种植其中的作物消耗掉，其次受自然风化和细菌活动的侵蚀。

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Clays are produced by mechanical and chemical weathering and primarily colloidal in size.

粘土是由机械和化学的风化作用形成,主要是胶粒大小.

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Chemical weathering: dissolution, oxidation, carbonation , hydrolysis, and hydrations.

化学风化: 溶解 、 氧化 、 碳酸岩化 、 水合作用和水化作用.

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All of the bauxites are formed by weathering without any exception.

铝土矿全部是风化作用形成的,无一例外.

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The movement of water is also an important weathering force.

水的运动也是一种重要的风化作用力.

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The weathering could split the rock off.

风化可把岩石一片片地剥落掉.

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The effects of weathering can be simulated in the laboratory.

在实验室里可以模拟各种天气产生的影响.

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This suggests that the optimum for biological weathering would be in a hot, moist climate.

这表明生物风化最适宜的条件是湿热气候。

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Both lateritic deposit and gossan deposit are of weathering origin.

红土型金矿床、铁帽型金矿床同属风化淋滤成因的残坡积表生金矿床.

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Weathering prepares the rock for transport by decomposing and disintegrating it.

风化作用通过分解和崩解准备了要搬运的岩石.

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Physical weathering: thermal expansion and contracting, ice wedging, exfoliation, salt crystallization.

物理风化: 热胀冷缩 、 冰楔作用 、 剥离作用和晶体生长.

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Many common minerals, such as feldspar, develop microscopic pits during weathering.

许多常见矿物(例如长石)会在风化过程中发展出微小坑洞.

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They are affected by weathering.

他们是受风化作用影响的.

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