查询词典 tungsten

Machining tests were carried out on a Matsuura FX5 20,000 rpm, prismatic machining centre using 6 mm diameter, coated tungsten carbide ball end tooling.

是用机器加工试验被从里面一Matsuura FX520，000 rpm继续进行棱柱的用机器加工使用6毫米心直径，在碳化钨球末端工具作业上涂。

In this dissertation, joints of single crystal Al2O3 and Nb were prepared by tungsten metallization and Pd brazing.

本文通过钨金属化和Pd钎焊，成功获得了单晶Al2O3与金属Nb的连接接头。

Mixture microcrystal deposit obtained in high concentration of tungsten and current density.

当镀液中钨离子含量低，电流密度低时，镀层为晶态结构；当镀液中钨离子含量高，电流密度大时，镀层呈非晶态或混合微晶态结构。

The rock bodies have the characteristics of high silicon,rich alkali,containing calcium magnesium iron,rich in tungsten Sn mineralize element and volatilize components of lithium and Fluorine etc.

岩体具有高硅、适度富碱、贫钙镁铁的特点，富含钨锡等成矿元素及锂和氟等挥发组分。

The processing mineralogy properties and the dressing craft characteristics on porphyry tungsten have been studied in this paper.

经对矿石进行工艺矿物学研究，揭示了斑岩型钨矿的矿物特征和选矿工艺特征，为此类钨矿石的开发利用提供了依据。

In this paper, the geochemical characteristics of granite in Jiangjunzhai tungsten deposit and the Re-Os isotopic dating of molybdenite from quartz-wolframite veins were studied and carried out, in order to elucidate the timing of mineralization and reveal the time limites and geodynamic setting of large-scale metallogeny in Southeast Hunan.

文章研究了白云仙矿田将军寨钨矿花岗岩的地球化学特征，并进行石英脉型黑钨矿石中辉钼矿的铼－锇同位素定年，以精确厘定将军寨钨矿的形成时间，揭示湘东南地区钨、锡等有色金属成矿的时限及其地球动力学背景。

I can provide raw materials for the Division include: tantalum ore, niobium ore, tungsten ore, molybdenum ore, cobalt ore, nickel ore, monazite, zircon ore, chromium carbide, vanadium carbide and so on, the majority of imported raw materials.

我司可提供的原材料包括：钽矿、铌矿、钨矿、钼矿、钴矿、镍矿、独居石、锆矿砂、碳化铬、碳化钒等，大部分为进口原料。

Jiangmen boasts of rich mineral resources with 37 kinds of minable minerals, including limestone, silica sand, potassium feldspar, monazite, crystal, aquamarine , coal, tombarthite/rare earth, gold, silver, copper, iron, stannum and tungsten, among others.

矿产资源丰富，已探明可开采的有石灰石、硅砂、钾长石、独居石、水晶、绿柱石、煤、稀土及金、银、铜、铁、锡、钨等37种。

Used for particle size sorting of 0.3 - 0.02 mm fine-grained iron, tin, tungsten, tantalum, niobium, gold, coal, monazite, rutile, Gao Yingshi, as well as the proportion of the poor have enough other metals, nonmetallic minerals by the Ministry of Metallurgy organization of scientific research, design, universities and factories, mines and other units were identified by that excellent performance of the device, the advanced sorting index to determine the mass-produced to promote the use.

用于选别粒度0.3--0.02毫米细粒的铁、锡、钨、钽、铌、金矿、煤矿、独居石、金红石、镐英石以及具有足够比重差的其他金属、非金属矿物，经冶金部组织有关科研，设计、高校和厂矿等单位进行鉴定通过，认为该设备性能优良，选别指标先进，确定成批生产推广使用。

The result makes clear, as the addition of sedimentary curing time, structure of crystal of tungsten acerbity lead is monocline brilliant from all directions brilliant change model, appearance evolves into structure of attrib wattle shape from the tower shape structure of cascade.

结果表明，随着沉淀物熟化时间的增加，钨酸铅晶体结构从四方晶型转变为单斜晶型，外貌从层叠的塔状结构演变成板条状结构。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。