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。
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。
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。
The main mineral composition of the ore is zinc blende and lead glance.
矿石矿物成份主要为闪锌矿，次为方铅矿。
Recrystallized gypsum and a bit of quartz are main mineral composition.
主要矿物为二次结晶石膏和少量石英。
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。
Its mineral composition shows that it is possibly a new type, of igneous rock.
根据其矿物组成，可能为一种新的岩石类型。
The effect of differentashing methods on the mineral composition in the apple was stud- ied.
以“红星”苹果为试材 ，研究了不同灰化方法对苹果果实矿质元素分析结果的影响。
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。
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 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；
The ore is simple in mineral composition, the main minerals including black talc, calcite, quartz, montmorillonite etc.
矿石物质组分简单，主要为黑滑石、方解石、石英、蒙脱石等。
It is feasible in the technology and reasonable in the economy to take the mineral composition fiber as papermaking filler.
矿物复合纤维作为造纸填料技术上可行，经济上合理。
Mineral constituents, morphological characteristics and mineral composition before and after oxidizing roasting were studied.
研究了氧化焙烧前、后的矿物组成、形貌特点以及矿物成分。
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。
The results show that the mineral composition of Huainan coal ashes are mainly quartz, anhydrite, calcite, kaolinite and hematite.
结果表明：淮南煤灰中，矿物质组成为石英、硬石膏、方解石、高岭土和赤铁矿，其中硬石膏和方解石含量较低。
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。
The microheterogeneity in the sand reservoirs is represented by the pore nature, clay mineral composition and pore throat distribution.
砂岩储层的微观非均质性主要由砂岩孔隙特征、粘土矿物和孔喉分布等表征。
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 mineral composition of Co_rich crusts has been determined and its variation is considered to be related to the palaeoceanic environment.
论述了富钴结壳的物质组分，探讨了其含量变化与古海洋环境的关系；
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 results showed that permeability of soil in karst area was effected by the soil structure, grain size composition, mineral composition and plant root.
研究结果表明，喀斯特地区土体渗透系数受土体结构、粒度成分、矿物成分以及植物根系影响。
The regularity of oxidation enrichment is summarized in terms of the climate, geomorphology, structure, orebody occurrence, mineral composition and host rocks.
从矿区的气候、地形、构造、矿体产状、矿物组成和矿化主岩等对氧化富集作用的影响，总结了铅硐山矿床矿石氧化富集规律。
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；
Evaluation and studies of decorative granite further defined the relation between the ornamentation of decorative stone materials and the mineral composition of rocks.
饰面花岗石的评价与研究，进一步明确了饰面石材的装饰性与岩石的矿石物组成有关。
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。
Powder X-ray diffraction analysis and Micro-Raman spectra were used to study the mineral composition of Chinese freshwater cultured pearls from Zhuji, Zhejiang Province.
采用粉末X 射线衍 射分析及显微 激光拉曼光谱对三角帆蚌养殖珍珠的矿物组成进行了研究。
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。
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。
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。
应用推荐