By contrast, the process for goethite and manganite were exothermic.
硼在针铁矿、水锰矿上的吸附为放热过程 ，解吸为吸热过程。
S shape isotherms were observed for the adsorption of molybdate on goethite.
钼酸根在针铁矿上的吸附等温线为S型。
A widely occurring iron oxide ore; a mixture of goethite and hematite and lepidocrocite.
一种常见的氧化铁矿石，是针铁矿、赤铁矿和纤铁矿的混合物。
It is black and has strong magnetism, which is called "hematite" or "goethite" by traders.
因此推测，这种“黑胆石”样品为一种人造磁性材料铁酸锶，而不是市场上人们所说的赤铁矿或乌钢石。
Natural goethite has the ability to degrade phenolic compounds better than synthetic goethite.
天然针铁矿降解酚类化合物的能力高于合成针铁矿。
Remove of iron from sulfuric acid leaching solution of ferrochromium alloy by goethite is researched.
研究了用针铁矿法从铬铁合金硫酸浸出溶液中除铁并回收铬。
P adsorbed by ferrihydrate was much more difficult to be desorbed than those by goethite and hematite.
水铁矿吸附的磷比针铁矿和赤铁矿所吸附的磷更难解吸；
The pyrite and siderite associated with the ores have been oxidized into limonite hemitite and goethite.
黄铁矿、菱铁矿变为褐铁矿、赤铁矿和针铁矿。
The pyrite and siderite associated with the ores have been oxidized into limonite hemitite and goethite .
黄铁矿、菱铁矿变为褐铁矿、赤铁矿和针铁矿。
The pyrite and siderite associated with the ores have been oxidized into limonite, hemitite and goethite.
一种常见的氧化铁矿石，是针铁矿、赤铁矿和纤铁矿的混合物。
The settlingout minerals are hematite, goethite, quartz, silicate and carbonate at the bottom of the ocean.
洋底沉析的矿物有赤铁矿、针铁矿、石英、硅酸盐类和碳酸盐类矿物。
The sorption experimental study on chromium-containing wastewater treatment with biomineralized goethite(B.
在静态条件下，利用生物矿化针铁矿对含铬模拟废水进行吸附实验研究。
Precipitation process of the goethite from hot acid leaching solution of zinc concentrate roast dust was investigated.
研究了从锌焙烧烟尘常压热酸浸出液中沉淀针铁矿的过程。
The adsorption will be enhanced by the goethite-citric acid compound colloid which from the citric acid and goethite interaction.
柠檬酸与针铁矿交互作用时会形成针铁矿-柠檬酸的复合胶体，增强对重金属活性离子的吸附，降低重金属毒性。
The main mineral phases include goethite, quartz, illite, montmorillonite and small amounts of calcite, in the form of slight crystallization.
析出物的主要矿物相为针铁矿、石英、伊利石、蒙脱石和微量方解石，呈弱结晶状态。
The study shows that from the bottom to the top of laterite weathering crust profile, illite and kaolin decrease, gibbsite, goethite and hematite increase.
研究表明，红土风化壳剖面自下而上，伊利石、高岭石减少，三水铝石、针铁矿、赤铁矿增多。
The amount of Al-substitution in goethite in P horizon clays of percogenic paddy soil was higher than that of other diagnostic horizon clays of paddy soil.
渗育型水稻土P层的赤铁矿含量比相应的母土低，其针铁矿铝替代量较其它水型的水稻土高。
Major aluminum-bearing carrier minerals include independent gibbsite enwrapped by goethite as fine granules, and others exist in goethite in the form of isomorphism.
铝的载体矿物主要是以微细颗粒集合体被针铁矿包裹的三水铝石和以类质同象存在于针铁矿中的铝；
Adsorption and desorption of fluorine at the surface of goethite is an important mechanism for fluorine migration and enrichment in the soil water system of the karst areas.
土层中针铁矿表面对氟的专性吸附及其解吸作用是岩溶地区土水系统中氟迁移和富集的重要机理。
Ore minerals are composed of psilomelane, pyrolusite, braunite, rhodochrosite and manganocalcite and gangue minerals are composed of magnetite, goethite and pyrite and so on.
矿石矿物主要有硬锰矿、软锰矿、褐锰矿、菱锰矿、钙菱锰矿等。脉石矿物主要有磁铁矿、针铁矿、黄铁矿等。
The results showed that the main crystalline iron oxide minerals in the clay of red earth was goethite and hematite, but only goethite was detected in the clay of yellow soil.
结果表明，黄壤与红壤粘粒中氧化铁矿物组成主要差别在于红壤既含针铁矿又含赤铁矿，而黄壤只含针铁矿。
Mineralogy characteristics and separation technologies of aluminum and iron of high-aluminum iron ores were investigated. The results show that iron minerals are hematite and goethite mainly.
研究高铝褐铁矿石的工艺矿物学特性及其对铝铁分离的影响。研究结果表明，铁矿物主要为针铁矿和赤铁矿；
The discovery of goethite shows that this mineral has been used as pigments as early as in the Spring and Autumn period. This is the earliest example that goethite was used as yellow pigments.
针铁矿的发现表明春秋时期该矿物己被用作黄色颜料，这是目前己知的针铁矿作为黄颜料使用的最早的实例。
The discovery of goethite shows that this mineral has been used as pigments as early as in the Spring and Autumn period. This is the earliest example that goethite was used as yellow pigments.
针铁矿的发现表明春秋时期该矿物己被用作黄色颜料，这是目前己知的针铁矿作为黄颜料使用的最早的实例。
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