Scientific analysis reveals that the colors were derived from ocher and other iron oxides ground into a fine powder.
科学分析表明，这些颜色是源自赭石和其他铁氧化物磨成的细粉。
The most common biogenetic minerals are carbonates, sulfides and iron oxides.
最普遍的生物成因矿物有碳酸盐、硫化物和铁的氧化物。
May Contain: Iron Oxides, Titanium Dioxide, Red 36, Yellow 5 Lake, Zinc Oxide.
可能包含：氧化铁，二氧化钛，红36 ，黄五湖，氧化锌。
The branch shape crystallite is mainly composed of iron oxides, i. e. magnetite.
树枝状晶体主要是由铁的氧化物——磁铁矿组成。
After the oil operations, pipelines often appear oily, scale and iron oxides phenomenon.
油井作业结束后，油管常常出现沾满油污、水垢和铁氧化合物的现象。
The influences of foreign oxides on reduction kinetics of iron oxides were analysed systematically.
系统分析了氧化物杂质对铁氧化物还原动力学的影响及其机理。
These rock paintings were made with iron oxides, some plant extracts and even with some drops of blood.
这些岩画被用氧化铁，有些植物提取物、甚至几滴血。
Characteristics of iron oxides in soils with a chronosequence developed from basalt have been studied in Northern Hainan Island.
研究了海南岛北部玄武岩上发育的不同风化成土年代土壤系列的铁氧化物特征。
It is believed that the reduction behavior of iron oxides can be satisfactorily explained in light of these above mentioned stePs.
这些环节能满意地解释铁氧化物的还原特性。
It has been found that the colour of red iron oxides in ceramics is affected by sintering temperature and the compositions of the ceramics.
本文考察了烧成温度、陶瓷坯体中常见氧化物，以及二氧化硅包裹对铁红呈色稳定性的影响。
Results indicated that the concentrating times of iron oxides by HGMS treatment was negatively correlated to the ratio of magnetic fraction extracted.
结果表明：土壤胶体经hgms处理，氧化铁的浓缩倍数与提取率呈负相关。
Cathay Industries Group is one of the world's leading manufacturers in color industry, being ranked as 3rd largest manufacturer of synthetic Iron Oxides.
国泰工业集团是世界颜料工业的领导者之一，也是第三大合成氧化铁颜料生产商。
The expanded graphite composites with iron oxides adsorbed were prepared by expanding the mixture of ferrocene and expandable graphite under high temperatures.
通过高温下膨化二茂铁与可膨胀石墨混合物的方法，制得附着铁氧化物的膨胀石墨复合材料。
Selective extraction technology is employed to study the separation of manganese oxides and iron oxides in biofilms sampled from natural waters and reviews its applicability.
采用选择性萃取分离技术对自然水体采集的生物膜上铁、锰氧化物进行萃取分离研究，考察该技术的适用性。
The project, which covers about 2,000sqm, is a monolith of concrete pigmented with iron oxides, completely decorated with a bas-relief engraved with the letters of the alphabet.
这个项目占地面积有2，000平方米，是一个附着有用铁氧化物着色的混凝土的庞然大物，整体以浮雕字母作为装饰。
The project, which covers about 2,000sqm, is a monolith of concrete pigmented with iron oxides, completely decorated with a bas-relief engraved with the letters of the alphabet.
这个项目占地面积有2,000平方米，是一个用氧化铁颜料着色的混凝土的庞然大物，整体以浮雕字母作为装饰。
It shows that selective extraction technology can be applied broadly to the extraction and separation of manganese oxides and iron oxides in biofilms sampled from natural waters.
这说明选择性萃取技术可以广泛应用于自然水体采集的生物膜上铁、锰氧化物的萃取分离。
After welding, the body is pickled — a process that USES a very corrisive mix of acids to remove the dark iron oxides formed near the weld area by the heat of the welding process.
焊后，身体是腌制-一个过程，使用非常corrisive的氨基酸组合，以消除黑暗氧化铁焊缝附近地区形成了焊接过程中的热量。
The test is used to detect surface iron contamination, i. e., iron salt residue from pickling, iron tool scratches on the stainless steel surface, iron deposits at weld areas, and iron oxides.
该检测用于检测表面的铁的污染，如浸酸中铁盐残留，不锈钢表面的铁制工具的刮痕，焊接区的铁沉积以及铁的氧化物。
We have used STM to investigate the electron tunneling spectroscopy, as well as the tunneling barrier heights, in two kinds of iron oxides prepared differently on iron single crystal surfaces.
报道了利用扫描隧道显微术（STM）对金属表面氧化物层进行电子隧道谱研究的结果。
Our Superpower mineral foundation is designed for more coverage and for use on normal to oily skin. Contains: Zinc oxide, Mica, Titanium Dioxide, Kaolin, Magnesium Stearate, Iron Oxides, Silica.
我们的超细矿物质粉底，是为更好的遮盖和中性到油性皮肤设计的，包括：氧化锌，云母，二氧化钛，高岭土，硬脂酸镁，铁的氧化物，二氧化硅。
Darker soils are often rich in iron and aluminum oxides, and are typical of highly weathered soil that forms in hot, humid climates.
而深色的土地通常是富含铁和氧化铝，是在湿热气候下形成的典型的高度风化的土壤。
The Third Step (Acid Wash) is to remove free iron, metallic residues, oxides, and other corrosion products from the surface of the metal.
第三步(酸洗)：去除金属表面的自由离子、金属残渣、氧化物和其他腐蚀产物。
Significant correlation has be found between charge characteristics and active iron and aluminium oxides.
土壤的电荷特性与活性铁铝氧化物密切相关。
The water extraction process of iron and aluminum oxides from superphosphate is experimented and studied by orthogonal designing method and the kinds of additive and extraction conditions are sieved.
本文用正交设计方法对过磷酸钙水浸取过程中倍半氧化物的浸出进行了实验研究，筛选了添加剂的种类和浸取条件。
The Contents of iron and aluminum oxides in MUfu mountain soil clays were determined by selective dissolution technique.
用化学选择溶提法，测定了幕阜山不同海拔高度土壤及剖面不同层次的粘粒中铁铝氧化物的含量。
During the kinetic REDOX reaction between phenolic compounds and iron and manganese oxides, adsorption process by soil, iron and manganese oxides and their impurity is happened.
在氧化反应动力学过程中，酚类化合物除与铁锰氧化物发生氧化还原作用外，还与土壤、铁锰氧化物以及其中的杂质发生诸如吸附等其它作用。
The simulating study of the formation and inhibition of phenolic tars in the process of diphenols preparation by hydroxylation of phenol with iron-based composite oxides as catalyst was conducted.
对铁基复合氧化物催化苯酚羟基化合成苯二酚反应过程酚焦油的生成反应进行了模拟研究。
The simulating study of the formation and inhibition of phenolic tars in the process of diphenols preparation by hydroxylation of phenol with iron-based composite oxides as catalyst was conducted.
对铁基复合氧化物催化苯酚羟基化合成苯二酚反应过程酚焦油的生成反应进行了模拟研究。
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