1) Mineral magnetic measurement
矿物磁测
1.
Mineral magnetic measurements and X-ray diffraction patterns of soils developed on Quaternary red clay, mudstone, limestone, and granite indicated that the soil magnetism is attributed mainly to maghemite (γFe 2O 3).
由X -衍射和矿物磁测技术证明四种红壤中的磁性矿物是磁赤铁矿 (γ -Fe2 O3) ,它是红壤磁性的主要贡献者 ,且磁赤铁矿以稳定单畴和超顺磁性颗粒态存
2) Magnetic mineral
磁性矿物
1.
Based on summarizing magnetic parameters and vicissitude and evolvement of environmental magnetic minerals,this paper introduce the main advances made in many fields such as soil and atmosphere contamin.
本文在简述了环境磁学参数和不同环境中磁性矿物变迁和演化过程的基础上,介绍了环境磁学在城市环境污染的不同方面所取得的进展,探讨了环境磁学在土壤污染和大气等城市环境污染研究中的不足,提出了环境磁学在城市环境污染研究领域的发展趋势。
2.
The result shows that the magnetic mineral is mainly composed of ferrimagnetic with different grain sizes,such as multi-domain,stable single domain and super-paramagnetism.
研究结果显示,典型喀斯特地区发育的土壤的磁性矿物组成一致,基本上是以亚铁磁性矿物为主,多畴颗粒(MD Multi-Domain,>0。
3.
The grain-size analysis and magnetic property measurements of late Cenozoic sediments of borehole SG7 in the Yangtze delta plain have revealed the evolution of dominant magnetic minerals with time and coupling effects of neotectonic movement, climate and sea level changes on the sediment provenance and depositional environment.
笔者通过对长江三角洲平原晚新生代钻孔SG7孔沉积物的粒度和磁性分析,揭示磁性矿物类型随时间的演变,探讨新构造运动、气候、海平面等对本区沉积物源、沉积环境的耦合作用。
3) magnetic minerals
磁性矿物
1.
Review in the identification of magnetic minerals;
磁性矿物的磁学鉴别方法回顾
2.
Based on the researches in the last two decades,a brief review of the types and transformation of magnetic minerals in the marine sediments and.
根据最近20多a的研究成果,本文简述了海洋沉积物中的磁性矿物和磁学性质及其古环境意义等方面所取得的进展。
3.
Study on environmental magnetic characteristics was conducted on the Xuzhou urban topsoils and the results indicated that the magnetic characteristics were dominated by the multi-domain / single domain ferri-magnetic minerals.
徐州城市表层土壤的环境磁学研究表明,表层土壤的磁学特征主要是由人为产生的多畴/单畴的亚铁磁性矿物主导;同时含有一定数量不完整的反铁磁性矿物的贡献。
4) Mineral magnetism
矿物磁性
6) magnetic iron mineral
磁铁矿物
1.
To comprehensively utilize the reverse flotation tailings,the beneficiation test was carried out,and the regrinding and reprocessing was used in production practice,the magnetic iron mineral in the tailings was recovered once again, and the grade of iron concentrate reached 65.
为综合利用选矿工艺反浮选尾矿,进行了选矿试验研究,并将再磨再选工艺应用于生产,二次回收氧化矿、磁矿反浮选尾矿中的磁铁矿物,生产出ω(TFe)65。
补充资料：矿物磁性测定
矿物磁性测定
determination of mineral magnetism
kuangwue一xing eed一ng矿物磁性测定(determination of mineralmagnetism)确定矿物比磁化率、剩磁、矫顽力、居里温度、尼尔温度、矿物导磁率和磁饱和强度等各种矿物磁学性质参量的过程。在选矿科研和生产中，最常用的为矿物的比磁化率，其测定方法有比较法和绝对法两种。比较法是利用已知比磁化率的标准矿物或其他化合物，如焦磷酸锰(其标准比磁化率Xl一117只10“ em;，/g)、氧化乍L(X:一130.6xzo一6em3/g)。在不同的磁场强度下，用磁天平分别测定出标样和待测矿物所受的比磁力，由下式求得待测矿物的比磁化率: F~ 不一x]下二一 几’凡，式中x:为标样的比磁化率，cm3/g;FmZ为待测矿物所受的比磁力;Fm，为标样所受的比磁力。比较法是一种常用的、精确度较高的方法，适宜于测定中、弱磁性的粉状矿物。绝对法有冲击检流计法、振动样品磁强计法、提拉样品磁强计法等可直接测定矿物的各项磁参数。 (罗济民)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条