| 释义 |
plac·er 英ˈplæsə美ˈplæsɚAHDplăsʹər 高COCA⁴⁴⁹⁰³BNC⁶⁵⁸⁹⁹iWeb²⁵⁶⁷⁸
基本英英搭配记法例句Thesaurus例句
n.冲积矿³⁰;砂矿⁵⁰;存放人²⁰;竞赛中得名次的人复数placers
Noun:
an alluvial deposit that contains particles of some valuable mineralbench placer阶地砂矿placer mining淘金placer gold砂金eluvial placer残积砂矿,残积矿床…concrete placer混凝土浇注机…alluvial placer冲积砂矿床eolian placer风成砂矿buried placer埋藏砂矿,埋藏矿砂…fertilizer placer施肥开沟器hillside placer山腰砂矿placer deposit砂矿床,砂积矿床…beach placer海滨漂砂矿床,海滨砂…
plac-er名人|物⇒n.冲积矿³⁰;砂矿⁵⁰;存放人²⁰;竞赛中得名次的人n.得名次的人或动物;放置者;砂积矿床;矿砂矿⁵⁰;调配者;第…名;浇筑工人;砂金
名词100%
用作名词Indonesia is rich in goldplacerresources.印度尼西亚砂金资源丰富。as in.second
同义词 double,runner-upassistant,backer,exponent,helper,proponent,reproduction,supporter,twin
反义词 opponent
secondnoun support;duplicate
assistant,backer,double,exponent,helper,proponent,reproduction,runner-up,supporter,twin In conducting coastal open air placer mining or shore-based well drilling to exploit seabed mineral resources, effective measures must be taken to prevent pollution to the marine environment.
露天开采海滨砂矿和从岸上打井开采海底矿产资源，必须采取有效措施，防止污染海洋环境。 xddhy
Results of author's experiments show that this grade error tends to increase with the decrease of sampling volume and the increase of the boulder content as well as sorting coefficient of the placer.
笔者所做的砂金取样规格试验表明，砂金品位误差随着取样体积减小而增大。 cnki
The coefficient of dissolution can indicate the source of placer gold.
溶蚀系数可指示砂金是近或远原生源金矿。 cnki
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。 cnki
The fineness of some placer gold is relatively low.
一部分砂金金粒的成色偏低； cnki
The isotope analysis of trace lead in placer gold has special meaning.
砂金中的微量铅同位素分析具有特殊的意义。 cnki
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。 chemyq
The secondary gold includes oxidized gossan type and placer gold.
次生金矿有氧化铁帽型及砂金。 cnki
The placer gold in eastern Taiwan is also being indicated.
还简述了台湾东部的砂金矿床。 cnki
The placer-gold is a kind of sediment which is mainly composed of gravel, sand and clay and contains natural gold and other associated heavy minerals.
砂金矿主要是由砾石、砂、粘土组成的碎屑沉积物，其中含有自然金及其他一些伴生重矿物。 cnki
“ He was concerned he wouldn't measure up to the rest of the group,” said Randy Yost, committee chairman and former CEO of Placer Bank of Commerce in California.
“他担心会配不上组织中的其他成员，”委员会主席、加利福尼亚州的普莱瑟商业银行前总裁兰迪·约斯特说。 yeeyan
A US Army soldier looks at the body of a suspected Taliban IED placer, who was killed in a coalition missile strike in Zhari district of Kandahar province.
在坎大哈省的扎里地区，一名美国陆军士兵看着一具疑似塔利班简易爆炸装置放置者的尸体，这个人在一场联合导弹袭击中被杀。 yeeyan
Anjiacha gold deposit is a bedrock gold deposit which was discovered by tracing placer gold.
安家岔金矿床是由砂金追根溯源而找到的矿床。 cnki
Calculation formula being adopted, placer cal computer programs are drawn out so as to lay foundation for CAM of milling process.
采用文中给出的计算公式可编制出实用的计算机程序，为进一步实现铣刀加工的 CAM打下基础。 cnki
Distribution of gold placer deposits is closely related with gold-bearing horizon, morphology and tectonism.
使金重新分布，砂金分布与金源、地貌和新构造运动关系密切。 cnki
Exogenous deposits of gold including auriferous conglomerate deposit and that of loose placer gold form under the open conditions on the earth surface.
外生金包括砾岩金和松散砂金，是外能作用在地表开放条件下形成的。 cnki
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。 cnki
Indonesia is rich in gold placer resources.
印度尼西亚砂金资源丰富。 cnki
Poland came from behind to beat Costa Rica2-1 to finish third in Group A, and Paraguay upset Trinidad and Tobago2-0 to be the third- placer of Group B.
波兰在2比1战胜哥斯达黎加后后来居上，最终在 A组中排名第三。而巴拉圭则以2比0意外击败特立尼达和多巴哥，最终排名 B组第三。 hxen
The paper deals with the grain- size analysis methods which combined sieve analysis with microscope measurement for placer gold and presents an idea for grain-size division of placer gold.
本文介绍砂金粒度分析采用筛析-镜测的联合粒度分析方法，并提出砂金粒度的分级意见。 cnki
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，具有丰富的岩金和砂金资源，是我国目前重要的黄金产地。 cnki
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； cnki
The REE contents of84 placer gold samples and7 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个岩金样品，用等离子质谱仪分析了它们的稀土元素含量。 http://dict.cnki.net
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岩金的部分特点。 cnki
Placer mining is based on the FACT that heavier substances can be separated from lighter ones in water.
较重的物质可在水中与较轻的物质分离，砂矿开采正是利用这个原理。 ebigear |