主要元素组分一般是金属,但非金属碳是钢的重要组分。 收藏。
The components of alloys are ordinarily themselves metals, though carbon is an essential nonmetal component of steel.
结果表明,大气气溶胶含碳组分具有与微量元素组分不同的来源特征。
The results show that the trace elements and carbonaceous components have similar mass percentage in aerosols, but their source differ greatly.
合金中某一元素或组分的相对含量,通常用质量百分数或原子百分数来表示。
The relative content of a particular element or constituent (i) within an alloy, usually expressed in weight percent or atom percent.
向物质中多加入某一种组分元素,看看此种物质是否还保持同质性。
Add more of one of the constituent elements to the material, and see whether the material remains homogeneous.
在花岗质岩浆形成和演化过程中,由于岩浆挥发组分的活动,使金元素发生活化、迁移和富集而形成金矿床。
In the course of forming and evoluting, the gold ore forms through the activating, migrating and concentrating of gold element caused by the activity of the magmatic evaporating composition.
首先引入了元素的分布方程,然后根据化学平衡的热力计算方法求解每一位置的组分及温度。
The method is a numerical solution of multi-component chemical equilibrium flows with the elements distributing equations and thermodynamic calculation of chemical equilibrium.
强不相容元素比值反映岩浆源区明显偏离原始地幔组分,具有富集型异常地幔岩浆源区特征。
The ratios of incompatible elements reflected that the magma source departed from the composition of primary mantle and had the characteristics of the enriched metasomatic mantle.
在于,每个可被视为目标的发色团,所有市售的激光波长在牙科将交互与这些组分元素到一个或大或小的程度上。
In that each may be considered target chromophores, all commercially available laser wavelengths in dentistry will interact with these component elements to a greater or lesser extent.
研究了合金元素、加工温度、金属含量、第三组分对低熔点金属填充聚合物材料断口形貌的影响。
It studied the influences of alloy elements, processing temperature, contents of metal and additives on the fracture section morphology of low-melting alloy filled polymer.
用常温下的X射线衍射谱、元素分析、扫描电镜、红外光谱、热分析及光谱分析对产物的常温结构、组分及性质进行了表征。
The structures, chemical components and properties of the acquired products at room temperature were characterized and analyzed by XRD, Element analysis, SEM, FTIR, TG-DSC and Spectrum analysis.
夹矸的原始组分及粒度大小是造成同一夹矸层中不同夹矸类型间元素含量差异的主要原因。
The original matter of the tonstein and its grain size are main reason for that the different textures of the tonstein are of different element contents in the same bed.
之后对这些组分进行了元素、酸碱值、相对分子质量及红外光谱等组成结构测定。
These components have been characterized by spectroscopic methods (FT-IR), namely acid number, basic nitrogen number, ultimate analysis and molecular weight measurements using vapor pressure.
揭示出煤中49种元素与煤岩组分和煤化程度的成生联系规律。
The rules for forming 49 elements in coal, macerals, and coalification degree were studied.
本论文立足于小组分析资料,共分析54个元素,简单的总结元素克拉克值的地球化学意义。
This paper analyzes data based on the group, a total of 54 elements, the value of a simple summary of elements of geochemical significance Clarke.
用非水电位滴定法和元素分析法测出了减渣及其各个组分的酸值、强碱氮含量、弱碱氮含量和非碱氮含量。
The strongly basic, weakly basic and non-basic nitrogen contents and acid values of the residues and their fractions were determined with non-aqueous potentiometric titrations and elementary analysis.
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.
分组分析、比较其实际摄入的总热能、碳水化物、蛋白质、脂肪、铁元素、钙元素摄入量与需求量的差别。
After grouping, the difference between actual intake and demand was analyzed and compared in terms of total energy, carbohydrate, protein, fat, iron, calcium.
本文根据煤和煤的不同显微组分的元素分析资料,提出了一种确定煤及其显微组分视煤气发生率的新计算方法。
On the basis of analysing element data of coal and various macerals, a new computing method for determining apparent coal gas generation rate of coal and macerals is proposed out in this paper.
并对各分离组分进行了红外光谱、元素组成、相对分子质量测定。
Four fractions are characterized by FT-IR spectroscopy and the elementary compositions and relative molecular masses are determined.
采用熔点、氨基酸组分分析、元素分析、质谱等方法对其结构进行鉴别,用高效液相色谱法确定其纯度。结果合成的双肽经理化检测,质量高。
The physicochemical properties of this dipeptide were identified with melting point determination, amino acid analysis, elements analysis and MS and its purity was determined with HPLC.
提出了一种新的方法来计算多组分化学反应流场。它首先引入了元素的分布方程,然后根据化学平衡的热力计算方法求解每一位置的组分及温度。
A new numerical method for the solution of multi-component chemical equilibrium flows by the elements distributing equations and thermodynamic calculation of chemical equilibrium was introduced.
痕量、超痕量贵金属元素的简单、高灵敏度、多组分连续或同时测定方法的研究具有一定现实意义。
Some new achievements of the analytical methods for successive and simultaneous determination of precious mental elements were introduced in the present paper.
矿石有用组分以锌为主,铅、铜、金共生,其中闪锌矿中金元素含量非常高。
The main useful components of ore are zinc, lead, copper and gold, while sphalerite is rich in gold.
按照各组分的重量百分比称取钛粉、稀土六硼化物、碳化硼、合金化元素;
It is prepared through mixing Ti powder, RE hexaboride, boron carbide and alloying elements;
该催化剂包括以下组分:钒元素、过渡金属元素M和载体。
The catalyst comprises the following components: vanadium element, transition metal M and carrier.
不同的元素在这一过程中具有不同的地球化学行为,按照其迁入迁出的强度,这些元素可以划分为活动组分、次活动组分和惰性组分3类。
These major elements can be divided into 3 parts as activity, sub-activity and non-activity based on the density of migration in and out.
本发明催化剂以镁铝复合氧化物为载体,以镍和钴或贵金属为活性组分,以碱金属和稀土元素作为助剂。
The catalyst of the invention utilizes mgal composite oxide as a carrier, nickel and cobalt or noble metals as active constituents, and alkali metals and lanthanon as auxiliaries.
本发明催化剂以镁铝复合氧化物为载体,以镍和钴或贵金属为活性组分,以碱金属和稀土元素作为助剂。
The catalyst of the invention utilizes mgal composite oxide as a carrier, nickel and cobalt or noble metals as active constituents, and alkali metals and lanthanon as auxiliaries.
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