人们发现，在一些保存着太阳系原始化学成分的陨石中，铱元素的含量很高。
Ir is found in high concentrations in some meteorites, in which the solar system's original chemical composition is preserved.
每一种样式代表一种不同的化学元素，所以光谱线的不同集合或模式意味着这颗恒星有不同的化学成分。
Each pattern stands for a distinct chemical element, and so different sets or patterns of spectral lines mean that the star has a different chemical composition.
文章从铸铁的化学成分、微量元素、孕育处理及金属型的热交换方面叙述了产生白口的原理及防白口的有效方法。
From the chemical composition, trace element, inoculation and thermal exchange of metal mold casting, the principle of chill formation and the effective methods for preventing chill were studied.
铁铝榴石呈红褐色，菱形十二面体晶形，化学成分以铁、铝、硅为主，含钙、镁等微量元素。
Almandine being red-brown rhombododecahedron consists of iron, aluminium and silicon, containing trace elements of calcium and magnesium.
在地壳模型和岩石化学资料基础上，计算和研究了新疆地壳的平均化学成分和主要元素丰度。
With the crustal model and the petrochemical data, the average chemical composition and the abundance of major elements in Xinjiang crust are calculated and explored.
矿物：一种天然形成的无机元素或化合物(无机物)，它有着有序的内部构造、特有的化学成分、结晶形式和物理性质。
Mineral: a naturally occurring inorganic element or compound having an orderly internal structure and a characteristic chemical composition, crystal form, and physical properties.
根据稳定态时化学成分的改变，可以推算出靶中任意两元素表面结合能之比。
According to the surface chemical composition change of the steady state, the surface binding energy ratios between any two elements in the target can be evaluated.
本文综述了近年来养阴药的化学成分及药理作用，发现多糖、氨基酸、微量元素是其发挥功效的重要成分。
The article review studies on the chemical constituent and pharmacologic action of Yin tonifying herbs. Polysaccharides, amino acids and microelements are important active ingredients.
鹅卵石主要化学成分是二氧化硅，其次是少量的氧化铁和微量的锰、铜、铝、镁等元素及化合物。
The main chemical components of the pebbles are silica, followed by a small amount of iron oxide and manganese, copper, aluminum, magnesium and other elements and compounds.
从薄板连铸坯缺陷产生的机理出发，探讨了钢水化学成分、温度、残存元素、夹杂等方面应采取的控制措施。
Based on the mechanism of defect formation for thin slab, this paper discusses control measures of molten steel smelting, including its chemistry, temperature, tramp elements, inclusions, etc.
角闪石的化学成分及不同成矿岩体的微量元素和同位素特征是区分区内两类不同成矿岩体的有效判别标志。
The major compositions of amphibole in the granites, trace element composition and isotopic composition of granites were effective index to distinguish different metallogenic granitic bodies.
收集了国内外6个产地不同等级的香料烟样品，对其内在化学成分、必需营养元素和挥发性致香物质等进行了分析。
Different grades of Oriental tobacco samples from6producing areas at home and abroad were collected and analyzed for chemical components, necessary nutrition elements and volatile flavor sub-stance.
在地壳模型和岩石化学资料基础上，计算和研究了新疆地壳的平均化学成分和主要元素丰度。
With the crustal model and the petrochemical data, the average chemical composition and the abundance of major elements in Xinjiang crust are calculated and...
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。
And according to the mineral composition, chemical composition and trace element content, the evolution series of the magma is redefined.
因此我们就能够通过比较光谱线的模式和光谱库中已有的元素的模式，判断出另外一颗恒星的化学成分了。
So we can figure out the chemical make up of another star by comparing the spectral pattern it has to the pattern of the elements seen in the library.
主要研究工作包括化学成分分析、微量元素及微生物学分析、环境对食品工业的影响、海洋生物圈的监测等。
Analyses are made on chemical composition, trace elements, microbiological analyses, environment impact of food products, monitoring the Marine biosphere.
对方铅矿的化学成分、热电性和微量元素组成的研究表明，方铅矿是除黄铁矿外的另一种重要的富金、银矿物。
As proved by study on chemical compositions, thermoelectricity and micro-elements compositions of galena, it is another important mineral with rich gold and silver contents except pyrite.
通过对烧结法赤泥的化学成分、矿物组分、化学元素等的分析测试，表明赤泥具有一定的胶凝性。
After analyzing and testing the chemical and mineral ingredients as well as the chemical elements within red-mud made by agglomeration, the experiment shows certain agglutinability in red-mud.
结果表明，在青藏高原这一独特生态环境条件下生活的牦牛其藏医入药的牦牛角，含有丰富的矿物质常量、微量元素以及人体所必需的氨基酸等化学成分。
The result showed that in the horn of yak living in the special ecological environment in Qingzang plateau included more mineral material, microelements and amino acids.
合金在液态及固态时化学成分的组成对单个元素的分凝与偏析的影响。
The complete chemical composition of the alloy influences the partitioning and segregation of each individual element to the liquid or solid.
分析了钢中各种化学元素及热轧工艺对高延伸率深冲钢板力学性能的影响 ，提出了合理的化学成分和热轧工艺制度。
The results showed that inclusion, microstructure, composition, annealing process and hot rolling process have great influence on the elongation of SPCC cold rolled plate.
分析了钢中各种化学元素及热轧工艺对高延伸率深冲钢板力学性能的影响 ，提出了合理的化学成分和热轧工艺制度。
The results showed that inclusion, microstructure, composition, annealing process and hot rolling process have great influence on the elongation of SPCC cold rolled plate.
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