1.
Study on Chemosynthesis and Magnetic Properties of Strontium Hexaferrite Nanopowder;
纳米磁铅石型锶铁氧体的化学合成与磁性研究
2.
Preparation and Magnetic properties of Rare Earths-Doped M-type Hexagonal Barium Ferrite Ultrafine Powders;
稀土掺杂磁铅石型钡铁氧体超细粉末的制备及其磁性研究
3.
The plumbum isotope of ores conform the mixture model of three components, the plumbum of Earth's mantle, the plumbum of Upper Ea rth's crust and the plumbum of strata in the Aketishikan gold deposit.
阿克提什坎金矿床矿石铅同位素符合三元混合模型，三端元为地幔铅、上地壳铅及地层铅。
4.
Research Progress in Microwave Property and Preparation of Barium Hexaferrite
磁铅石钡铁氧体吸波性能与制备方法研究进展(英文)
5.
Study on Preparation and Magnetic Properties of AFe_2O_4 Spinel Ferrite;
AFe_2O_4尖晶石型铁氧体的制备及磁性表征
6.
Synthesis and Characterization of Spinel Ferrites Magnetic Nanomaterials;
尖晶石型磁性纳米粉体的制备及表征
7.
Study on Low Pressure Casting Technology with Electromagnetic Pump for Turbo-charge Blade Wheel
电磁充型石膏型铸造增压器叶轮技术研究
8.
Removal of Lead Ions from Aqueous Solution by a Granular Wastewater Treatment Agent
新型改性磷灰石水处理剂去除废水中铅离子的研究
9.
Hydrothermal synthesis of zeolite P from flyash and its adsorption to Pb~(2+)
用粉煤灰水热合成P型沸石及其对重金属铅离子的吸附
10.
Preparation of Spinel-Type Nano-Sized NiFe_2O_4 Powder and Magnetic Study
尖晶石型纳米铁酸镍的制备与磁性研究
11.
Preparation methods and research progress of spinel-type ferrite magnetic nanomaterials
尖晶石型磁性纳米材料的制备及研究进展
12.
The ores are all dominated by Cu with minor Zn, and the deposits are classified as the Cu type.
矿石主成矿元素均以铜为主，含少量的锌，几乎不含铅，矿床类型属于铜型。
13.
Methods for chemical analysis of copper ores lead ores and zinc ores--Determination of lead
GB/T14353.2-1993铜矿石、铅矿石和锌矿石化学分析方法铅的测定
14.
a pencil of soft slate (or soapstone) used for writing on a slate.
用来在石板上书写的软岩（或皂石）铅笔。
15.
STUDY ON MINERAL PROCESSING TECHNOLOG OF THE REFRACTORY OXIDIZED LEAD-ZINE ORE IN SHIZHU
石柱难选氧化铅锌矿石选矿工艺研究
16.
Lead"" pencils do not contain lead, but rather a mizture of clay and graphite.
铅”笔并不含铅，而是粘土和石墨的混合物。
17.
Any of various, often graphitic compositions used as the writing substance in pencils.
铅芯通常指含有石墨成分的铅笔用的书写物质
18.
On Lead Extraction Out of a Slimy Lead-Zinc Ore
从某泥化铅锌矿石中提取铅的试验研究