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- acicular magnetite 针状Fe3O4
- They have just found a magnetite in this region. 他们在这个地区刚刚发现一个磁铁矿。
- This is because the oxidation breaks down magnetite. 这是因为氧化磁铁矿蜕变。
- The sediments of Core MD98-2182 are dominated by PSD magnetite. MD98-2182岩芯中的磁性颗粒以PSD磁铁矿为主。
- Ore minerals are mainly magnetite, chalcopyrite and azurite etc. 矿石矿物主要为磁铁矿，次为黄铜矿、蓝铜矿；
- There is some evidence that our own brains may contain grains of magnetite. 有些证据表明在我们自己的大脑中也可能包含磁铁矿的微粒。
- Iron ores of greatest economic interest contain magnetite and hematite. 最具有经济价值的铁矿包括磁铁矿和赤铁矿。
- Scientists had long thought that no animal could manufacture magnetite. 长期以来科学家们一直认为没有动物可在体内合成磁性物质。
- A piece of magnetite that has magnetic properties and attracts iron or steel. 天然磁石有磁性的磁铁矿，能吸引铁或钢
- STUDY ON THE PREPARATION OF HIGH PURITY IRON OXIDE RED FROM MAGNETITE. 磁铁矿制高纯氧化铁红的研究
- The Longqiao iron ore deposit is a large-scale hidden magnetite ore deposit. 安徽庐江龙桥铁矿属一大型隐伏磁铁矿矿床。
- The microstructure of isothermally-quenched ductile iron (ADI) is a mixture structure consisting of austenite plus acicular ferrite. 摘要等温淬火球铁的显微组织由奥氏体加针状铁素体的混合组织组成。
- Magnetite (iron) and ilmenite (titanium) are also found in gabbroic complexes. 在辉长岩杂岩体中也曾发现磁铁矿（铁）和钛铁矿（钛）。
- By observing microstructures , we find they may form spheroidal A,acicular A and feathery A . 组织观察发现,除形成球状A、针状A外,还形成羽毛状A。
- Both are related to the hypabyssal stock and the magnetite series granites. 二者都与浅成小岩株、磁铁矿系列花岗岩有关；
- The extract was further purified by column chromatography to get the acicular crystals of reserpine of 99. 将萃取所得产物用硅胶柱色谱进一步分离提纯;得到了质量分数为99.;8%25的利血平针状结晶。
- A double acicular electrostatic device was designed.Experiments were conducted with an experimental model established. 摘要在高射程喷雾机上设计了双针电晕静电装置，并对实验模型进行了相关试验。
- The acicular and columnar shapes of aragonite crystals are preserved even after aragonite changes into calcite. 文石转变为方解石常保留文石的针状、柱状晶形，并存在于石笋沉积生长的始终。
- The iron content of grainy crystal was the most, acicular crystal taking second place. 表面有粒状析晶的磁珠中铁含量最高，针状析晶磁珠次之。
- Herbs annual; bracts of female flowers connate to apex, both sides with an acicular appendage near apex. 一年生草本雌花苞片在先端合生，两面具一针状的附属物近先端。
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海词词典，十七年品牌
