Petrifaction may also involve a simultaneous exchange of the original substance of a dead plant or animal with mineral matter of a different composition.
石化还可能同时涉及将死亡的动植物的原有物质与不同成分的矿物质进行交换的作用。
A new mineral facies has been found for the first time in mathiasite, resembling priderite in composition.
在辉石岩中首次发现了一种新的矿物相，其成分类似于柱红石。
Inspired by the benefits of minerals from the mineral composition of 95% of high-purity, natural mineral blush powder is suitable for all skin types, including sensitive skin.
受矿物质的优点所启发，由95%高纯度矿物质组成，天然矿物质胭脂粉适合各种肤质，包括敏感性肌肤。
The mineral composition and contents in soils can be quantitatively determined by X-ray powder diffraction analysis.
利用粉晶X射线衍射分析方法，能定量地测定土壤矿物组成和含量。
The mineral composition is simple, only with original metallic minerals antimonite and pyrite, gangue minerals quartz, calcite and a few barites, all in the fissure or hole of the rock.
矿物成分简单，原生金属矿物只有辉锑矿和黄铁矿，脉石矿物有石英、方解石及少量重晶石，它们均充填在岩石的缝洞中。
Mineral composition of the ore is relatively simple.
矿石中矿物组成比较简单。
Based on the analysis and research of AGB granite rock texture, mineral composition, chemical components, we explore the evolution of granitoids and tantalum lithium deposits relationship.
从雅山花岗岩岩石结构构造、矿物成分、化学成分等变化规律分析研究入手，探讨雅山花岗岩类的演化与钽锂矿床成生关系。
The clastic rocks in this depression are characterized by low maturation of the mineral composition, and low maturation in structure, thus diagenesis due to burial is very strong.
该凹陷沉积的碎屑岩具有矿物成分成熟度低和结构成熟度低的特征，所以其埋藏成岩作用十分强烈。
Many indexes can be used to reflect character of expanded soil. They are divided into mineral composition and engineering behavior.
反映膨胀土土质与土体特性的指标很多，可分为反映矿物组成和工程特性的指标两大类。
Combined with the fitting parameters obtained from the VG model, the effects of mineral composition and pore structure of the soil on SWCC are analyzed.
结合VG模型拟合的参数，着重分析了矿物成分和孔隙结构对膨胀土土水特征曲线的影响。
The formula for calculating the clinker moduli and mineral composition were revised.
文中对熟料率值和矿物组成算式进行了修正。
The physical properties, mineral composition and expansive-shrinkage characteristics of the borrow soil were studied, and the evaluation of expansive potential was carried out.
研究了路基土场土的物理性能、矿物组成及胀缩特性，采用多种方法综合评价土场土膨胀潜势；
The mineral composition and morphology of atmospheric dust fall serve as important criteria in identifying pollution sources.
大气降尘矿物成分和形貌特征是判别污染物来源的重要标志。
This paper expounds mineral composition, physical and chemical characteristics, activity and its evaluation of natural volcanic ash which is used as concrete admixture.
论述了天然火山灰用作混凝土掺合料的矿物组成、物化性能；火山灰活性及其评定。
The ore phase structure, mineral composition and metallurgical property of Brazilian MBR lump ore were introduced.
分析了巴西M BR块矿的矿相结构、矿物组成及冶金性能。
And according to the mineral composition, chemical composition and trace element content, the evolution series of the magma is redefined.
并依据各单元的矿物成分、化学成分、微量元素含量的变化，重新厘定了岩浆的演化顺序。
The density distribution and main mineral composition of the deposit in the Yangtze River at Fuling area are analysed.
本文介绍了长江涪陵段沉积物的密度分布及主要矿物组成；
Refers to the mineral composition of emerald crystal surface and cleavage plane of When the composition of the mineral particles thick jade, particularly evident.
是指组成翡翠的矿物晶面及解理面在翠面的片状闪光。当组成翡翠的矿物颗粒粗大时，特别明显。
A group of volcanic vents will produce a lava of the same mineral composition.
一群火山口将产生相同矿物成份的熔岩。
The paper tries to explain the standards with Grade G cement as an example, and discusses the influence of chemical and mineral composition and physical characteristics on cement slurry performance.
以G级水泥为例阐述了油井水泥质量检测的标准，讨论了水泥化学组成、熟料矿物组成及物理性能对水泥浆工程性能的影响。
According to research of mineralogy, petrology and geochemistry, we discuss kaolin mineral composition, chemistry composition, and change rules and origin of Datong coal series.
通过矿物学、岩石学和地球化学研究，对大同煤系高岭岩矿物组成、化学组成，及其变化规律和成因进行了系统探讨。
Study on road dust with grain diameter distribution and mineral composition of various grains in Xi'an demonstrated that road dust mainly existed in grains with a diameter of 30~50 mesh(0.
对西安市路面积尘粒径分布和不同粒径中矿物质量组成的研究表明，路面积尘质量主要集中在30～50目（0。
This paper mainly describes the mineral composition, structural behaviour of the weak seam in dam foundation, and its chemically solvent action and variation under long term infiltration of water .
本文着重阐述了软弱夹层的物质组成、结构特性及其在长期渗水作用下的化学溶失作用和变化趋势。
Hydroxyapatite was the main mineral composition in human and animals bone, owing to its good biocompatibility and tissue bioactivity, and had an important application in biomedical materials.
羟基磷灰石是人体和动物骨骼的主要无机成分，具有良好的生物活性和生物相容性，是极其重要的生物医学材料。
The indoor microstructure scanning electron microscope was used to observe the typical soil sample and the X-ray analysis was performed for the mineral composition.
进行室内典型土样的微结构扫描电镜和矿物成分X射线分析；
Weathering action changes the mineral composition of rocks, and the periods of weathering process reflect weathering intensity.
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。
Based on the testing data of the quality of sinter, the influences of chemical composition and mineral composition on metallurgical properties of the sinter are investigated.
文章通过对包钢生产烧结矿质量检测数据的统计分析，研究了包钢烧结矿的化学成分和矿物组成对其冶金性能的影响，提出了包钢烧结矿质量指标的适宜范围。
Is a kind of calcite mineral composition for main carbonate rock.
是一种方解石为主要组成矿物的碳酸盐石。
Is a kind of calcite mineral composition for main carbonate rock.
是一种方解石为主要组成矿物的碳酸盐石。
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