查询词典 magnetite

"It occurs rarely as a free metal, occasionally in natural alloys, and in hundred s of minerals and ores, including hematite, magnetite, limonite, and siderite."

地壳中游离铁很少见，而通常存在于合金及数百种矿物中，包括赤铁矿、磁铁矿、褐铁矿和菱铁矿。

Balling and roasting experimental studies were carried out for siderite and limonite concentrate. The results showed that both green ball strength and bursting temperature increased when adding limonite and magnetite into siderite concentrate.

对菱铁矿和褐铁矿精矿进行了造球、焙烧试验研究，结果表明，在菱铁矿精矿中配加褐铁矿的同时配加磁铁矿，既可提高生球强度，又可提高爆裂温度。

There are major mineral magnetite, gold, silver, quartzite, granite, diabase, rutile, feldspar, quartz rock, vermiculite, limestone, dolomite, sillimanite, marble, mica, mineral water, etc.

主要矿产有磁铁矿、金矿、银矿、石英岩、花岗岩、辉绿岩、金红石、钾长石、石英石、蛭石、石灰石、白云石、硅线石、大理石、云母、矿泉水等30多个品种。

Magnetite separation hasbeen adopted to pretreat raw materials, and the superpure iron concentrate of w =71.88%, w(SiO2)＜0.5%canbe obtained.

作者采用分散与选择性聚团磁选新工艺制备出w＝71.88％，w(SiO2)＜0.5％的超纯铁精矿。

Hetian to the mineral composition of tremolite - actinolite-based, and contain trace amounts of diopside, serpentine, graphite, magnetite and so on.

和田玉的矿物组成以透闪石——阳起石为主，并含微量透辉石，蛇纹石，石墨，磁铁矿等。

The adsorption of FD on the surface of wolframite is not influenced by dispersant(NaPO3)6, but the adsorption of FD on magnetite is decreased with the increase of the (NaPO3)6 content.

在低品位(3.5%w几)给矿条件下，则还需添加微细粒磁铁矿，通过FD的桥联作用和磁铁矿

China's Wuhan Iron and Steel Co is reported to attemp to acquire 50% of Western Plains Resources' Hawks Nest magnetite iron-ore project in South Australia's Woomera Prohibited Area, where the Australian Army tests secret weapons.

武汉钢铁公司本来有意购买西澳一个铁矿50%的产权，但是澳大利亚政府可能已危害国家安全为由拒绝批准该项投资。

Mineral magnetic parameters, including magnetic susceptibility, frequency dependent susceptibility, isothermal remanent magnetization, anhysteretic remanent magnetization, temperature-dependence of susceptibility, were measured on quartzite and surface soil derived from quartzite. The results in combination with the microscope observation indicated little magnetic mineral in quartzite but a few magnetite, maghemite, iron oxyhydroxides in surface soil. The magnetic grains were mainly superparamagnetic and stable single domain. Maghemite is secondary mineral formed in the process of pedogenesis.

通过对石英岩及发育于石英岩之上表土的磁化率、频率磁化率χ(下标 fd、等温剩磁、非磁滞剩磁ARM0、k-T曲线等磁学参数测定和石英岩显微镜下观察，结果表明，石英岩中磁性矿物含量极少；表土中含磁铁矿、磁赤铁矿、铁的氢氧化物等磁性矿物，磁性矿物主要以稳定单畴(SSD和超顺磁性颗粒形式存在，磁赤铁矿是石英岩在成土过程中形成的次生矿物。

The bonding phase of self-fluxing sinter used before was composed predominately of cuspidine and hyaline, mechanical strength of which as well as their bonding strength with respect to magnetite are rather weak.

自熔性烧结矿的胶结相主要由枪晶石和玻璃体所组成，两者的机械强度都较低，对磁铁矿的相对胶结强度也较小。

The results show that magnetite is transformed into hematite, serpentine is decomposed into forsterite at lower temperature(T00℃).

实验表明，硼铁矿在氧化焙烧的过程中，低温时(00℃)矿石中的磁铁矿发生氧化反应生成亦铁矿，蛇纹石分解生成镁橄榄石。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。