片语

littoral placer gold滨海砂金成

placer gold metallogeny砂金成矿

placer gold structure basin砂金构造盆地

alluvial gold砂金

placer r gold砂金

paleo-placer gold古砂金

placer gold deposit砂金矿床

gold dust金粉，砂金

placer gold sample砂金样品

the placer gold deposit砂金矿体

英汉例句

• glued layer exists in placer gold deposits in the south of china which influences upon gold dredging greatly.

  南方许多地区的砂金矿床存在对采金船开采影响极大的胶结层。

• high valuation and great attention are also given to placer gold deposits and vein gold deposits, which are the main sources of gold in the different parts of our country.

  对全国各省（区）金的主要来源的砂金矿床和脉金矿床，也给予很高评价与重视。

• the discovery of the mayum placer gold deposit has great significance for gold prospecting and the study of the metallogenic theory in tibet and the tethys-himalaya metallogenic domain.

  马攸木砂金矿床的发现，对西藏地区及古地中海—喜马拉雅成矿域的找矿与成矿理论研究具有重要意义。

• sichuan province is one of the placer gold producing areas in our country, over the whole province there are about 30 gold placers and more than 200 mineral occurrences.

  四川已知有砂金矿床约30处，矿点200余处，民采点数百处，是我国主要的砂金产区之一。

• placer gold samples are rich in light ree, the characteristics of ree contents of which partly inherited from hard rock gold.

  砂金样品则以较富集轻稀土为特征，稀土元素含量继承了巖金的部分特点。

• the regenerated mineralization of placer gold by thawing action are also proved through simulation, contrast and experiment.

  并通过模拟对比实验结果，论证了融冻作用使砂金再生成矿。

• experimental researches reveal that the equipments are feasible, simple, energy saving, economical, efficient and especially suitable for small placer gold mines.

  经试验表明，该设备运行可靠、操作简单、能耗低、投资少、选别效率高，特别适合小规模砂金矿开采使用。

• the source materials of the placer gold deposit in the area are from skarn — typed au — ag — cu — fe polymetallic ore.

  硅卡巖型金银铜铁多金属矿床等是本区砂金矿的物质来源。

• at last, exploring guides for placer gold deposit are pointed out on the base of study of gold source, placer gold distributive features and enrichment law.

  结合金的来源、矿床的分布特征和富集规律，指出了该区今后砂金找矿方向。

• in addition to the placer gold metallogenetic megaprovince surrounding the arctic circle in the globe as a whole there is another one existing in the qinghai-tibet plateau in china.

  全球有一个围绕北极圈的砂金成矿区，中国另有一个青藏高原砂金成矿区。

• the composition and characteristic of suspended matter from industrial wastewater of placer gold and the experimental results of natural settling were reported.

  本文介绍了砂金生产废水中悬浮物的组成、性质以及自然沉降试验结果；

• a placer gold area is usually distributed in the flowing regions of plain terrain, belt-like rivers.

  砂金地区一般分布在地形平坦、呈带状的江河流域。

• the study area, one of the most important gold producing areas in china and abundant in gold and placer gold reservoirs, is located in the northwest area of the jiao dong peninsula.

  研究区位于胶东半岛西北部，具有丰富的巖金和砂金资源，是我国目前重要的黄金产地。

• a new technic of purifying gold, silver from placer gold without pollution was proposed.

  提出了一种无污染从砂金中提纯金、银新工艺。

• the change among the fineness, the size and the occurence in the valley of placer gold are regular. the coefficient solution calculated according to the fineness can be used as one of the predict…

  砂金成色与其粒度及在河谷中产出位置呈规律性变化，由成色计算出来的溶蚀系数，可作为指导寻找原生金矿的依据之一。

• the ree contents of 84 placer gold samples and 7 hard rock gold samples in heilongjiang province are determined by plasma mass spectrographic analysis.

  对黑龙江省84个砂金样品及7个巖金样品，用等离子质谱仪分析了它们的稀土元素含量。

• it belong to karst type mountain crystal-placer gold ore. this discovery has practical significance for look for placer gold deposit in guangxi.

  此发现对寻找广西砂金矿，拓宽金矿资源的思路，具有现实意义。

• placer gold in china has the characteristics of small scale, wide distribution, low grade and fine granularity. the authors invented a new type of portable placer gold washing set.

  前言：针对我国砂金矿「小而分散，贫而细」的实际特点，本文提出了一种新型便携式选金机组。

• the experience of remining placer gold in laozuoshan gold mine in the past 5 years was introduced. the interior management and technical reform of the gold dredge were summarized.

  介绍了老柞山金矿5年来砂金复采所取得的经验，并对采金船的内部管理以及采金船的技术改造进行了总结。

• exogenous deposits of gold including auriferous conglomerate deposit and that of loose placer gold form under the open conditions on the earth surface.

  外生金包括砾巖金和松散砂金，是外能作用在地表开放条件下形成的。

• the fineness of placer gold in this district is apparently featured by inhomogeneity, inheritance and afterdeformation.

  该区砂金成色具有明显的不均一性、继承性和后期改造性。

• the maqu placer gold deposit is located in the qamdo district of the eastern tibet. it lies in the famous 「sanjiang」 metallogenic belt — the eastern part of the alps hymalayan orogenic zone.

  前言： 马曲砂金矿位于西藏东部昌都地区，地处着名的三江成矿区，阿尔卑斯-喜马拉雅巨型造山带东段弧形转弯处。

• the chemical compositions of 84 placer gold samples and 7 rock gold samples in hei longjiang province were studied.

  对黑龙江省84个砂金、7个巖金样品的化学成分进行了研究。