We utilized the change of concentration ratio between pyrites and rocks to survey gold deposits.

Pyrites often contain several nonferrous metal and noble metal elementS and be possessed of comprehensive utilization.

黄铁矿常含有多种有色金属和贵金属元素,具有综合利用价值.

The ore-hunting indicator is of calcite-potassium feldspar veins containing pyritohedron pyrite.

直接找矿标志为含五角十二面体黄铁矿铁方解石钾长石脉.

However , such materials are difficult to be fabricated without the appearance of a pyrochlore phase.

在铅基弛豫铁电材料的制备中, 很难避免焦绿石相的出现.

R . Schmidt ﹐ Descriptive Nomenclature & Classification of Pyroclastic Deposits & Fragments ﹐ Recomendation of IUGS Subcommision on the Systematics of Igneous Rocks ﹐ Geology ﹐ Vol.9﹐5﹐1981.

孙善平 ﹕国内外火山碎屑岩的分类、命名 、 历史及现状﹐《地球科学》﹐卷12﹐6﹐1987.

Schmidt ? Descriptive Nomenclature & Classification of Pyroclastic Deposits & Fragments ? Recomendation of IUGS Subcommision on the Systematics of Igneous Rocks ? Geology ? Vol.9? 5 ? 1981.

孙善平? 国内外火山碎屑岩的分类、命名 、 历史及现状? 《地球科学》? 卷12? 6? 1987.

Periods of volcanism are indicated by the presence of pyroclastic material in the formation.

群系中火成碎屑物的存在表明了火山酌的形成年代.

Pyroclastic rocks are a kind of transitional and complex rocks between lavas and sedimentary rocks.

摘要火山碎屑岩是介于溶岩和沈积岩之间的过渡类型岩石,岩类复杂.

Pengxian copper deposit is hosted by metamorphosed pyroclastic rock and basic intermediate lava.

彭县铜矿床含矿火山岩由各类变质火山碎屑岩及中基性熔岩所组成.

Pyroclastic Lamination-Maintains cool temperature in extreme heat.

火山层压 - 保持冷静,体温在极热.

Pyroelectric detector is actually a sensor sensitive to temperature.

摘要热释电型探测器实际是一种对温度敏感的传感器.

The growth conditions and dielectric as well as pyroelectric properties of TGSe are reported.

还报导了TGSe优质单晶的生长条件和它的介电、热电性能.

The dielectric permittivity and pyroelectric coefficient of Tb-modif ied Sr 0.61 Ba 0.39 Nb 2 O 6 crystals were measured.

用铽改性SBN晶体能有效地改善晶体的性质.实验测量了铽改性Sr0.61Ba0.39Nb2O6晶体的电容率和热电系数.

Near the transition temperature, a thermal hysteresis was found in dielectric, pyroelectric and piezoelectric measurements.

在相变温度区域里, 介电 、 热电和压电都有明显的热滞效应,具有一级相变特性.

In this paper, An automatic measuring system for pyroelectric coefficient has been set up.

本文作者建立并完善了一套铁电体热释电自动测试系统.

The ferroelectric thin films had good crystallization behaviour, excellent dielectric and pyroelectric properties.

该类铁电薄膜具有良好的结晶特性 、 优异的介电和热释电性能.

The discovery of pyroelectric effect is a base for laser and infrared detector.

热释电效应的发现,为激光和红外探测的应用奠定了良好的基础.

It is constituted with pyroelectric infrared sensor, telephone and detecting circuit.

该系统由热释电红外传感器 、 电话和检控电路组成.

The pyroelectric effect of polyvinylidene fluoride ( PVDF ) has great influence on the PVDF pressure transducer sensitivity.

聚偏氟乙烯 ( PVDF ) 压电薄膜的热电效应对PVDF压力 传感器的输出灵敏度影响较大.

With the typomorphic characteristics of galena pyroelectricity, prospecting in deep part of the deposit is discussed.

并利用方铅矿热电性的标型特征, 对矿床扩大深部找矿前景问题作了讨论.

An UV-spectrophotometry determination method for pyrogallic acid content was studied.

研究了用紫外分光光度法测定焦性没食子酸含量的一种新方法.