placer

美 ['ple?s?] 　英 ['ple?s?]

• n.【礦】(含金、鉑等的)砂礦，砂積礦床；放置者，存放者；(比賽中的)得名次者
• 網(wǎng)絡(luò)寶石類(lèi)漂砂礦床；砂礫礦；沖積礦

詞形變化

復(fù)數(shù)：placers  

反義詞

英漢解釋

n.	1. 【礦】(含金,鉑等的)砂礦,砂積礦床 2. 安置者,調(diào)配者 3. 第...名

英英解釋

n.	1. a deposit of river sand or gravel containing particles of gold or another valuable mineral

例句

The invention relates to a urination apparatus for females, a placer for the urination apparatus for female and a method for using the same.

本發(fā)明涉及一種用于女性排尿用的排尿器、一種用于女性排尿用排尿器的放置器及它們的使用方法。

The objection to the placer origin have centred around the softness of uranium compounds.

反對(duì)砂礦成因的論據(jù)主要是：鈾的化合物不耐磨蝕。

Regional volcanic strata are the source of placer gold and laterization process is the main stage of formation of placer gold.

區(qū)域火山巖地層是砂金的礦源，地表赤紅壤化可能是砂金形成的主要階段。

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

并通過(guò)模擬對(duì)比實(shí)驗(yàn)結(jié)果，論證了融凍作用使砂金再生成礦。

Eraluating the mined out area is one of effective and dependable ways for exploring placer gold.

指出以過(guò)采區(qū)為依據(jù)尋找砂金礦可靠性大，風(fēng)險(xiǎn)度小，是行之有效的途徑之一。

The native minerals originating from Tertiary basanite of Yaoshan formation, the placer is in water systems around Fangshan.

原生礦產(chǎn)于第三紀(jì)的堯山組玄武質(zhì)碧玄巖中，砂礦則分布于方山周?chē)?/c>的水系中。

Placer mining is based on the FACT that heavier substances can be separated from lighter ones in water.

較重的物質(zhì)可在水中與較輕的物質(zhì)分離，砂礦開(kāi)采正是利用這個(gè)原理。

High mineral sand washing cleanliness, suitable for washing separation of placer gold with great viscosity.

礦砂洗凈度高，很適用在粘性大的砂金礦區(qū)進(jìn)行洗選作業(yè)；

This new technology opens a new route to the comprehensive & effective recovery of useful minerals from beach placer.

為有效地綜合回收海濱砂礦中有用礦物開(kāi)辟了新途徑。

Figure 16-20 shows the good correlation observed between the magnetic field and the gold values over a muck-covered placer in this area.

圖16-20表明了此地區(qū)腐殖土覆蓋下砂積礦床上面的磁場(chǎng)和含金量之間的良好對(duì)比關(guān)系。

and points out that the ore genesis are residual slope and coastal placer deposits.

指出礦床的成因是殘坡積和濱海砂礦床。

There are three types of gold deposit resource: rock gold, associated gold ore and gold placer, in Altay, Xinjiang.

新疆阿爾泰的金礦資源類(lèi)型有：巖金礦、伴生金礦和砂金礦。

The umbrella placer has the advantages of simple structure and convenient movement and use.

本實(shí)用新型結(jié)構(gòu)簡(jiǎn)單，方便移動(dòng)和使用。

Liaoning Xiuyan Nephrite Placer Deposit(XNPD)is a secondary deposit of primary nephrite ore.

遼寧岫巖軟玉砂礦（又稱河磨玉礦）是原生軟玉礦的次生砂礦床。

Platinum is found usually as alloys of 80-90% purity in placer deposits or more rarely combined with arsenic or sulfur.

通常鉑在砂礦中以合金形式存在，其中包含80~90%的純鉑，或者不多見(jiàn)的是與砷或硫結(jié)合在一起。

The operation practice indicated that the remining of placer gold in Laozuoshan Gold Mine was efficacious.

生產(chǎn)實(shí)踐表明，采金船復(fù)采在老柞山金礦的應(yīng)用是行之有效的。

Operation such as , pouring since our country polyurethane elasticity bottler placer adopt charge mixture by hand mostly.

由于我國(guó)聚氨酯彈性灌注機(jī)大都采用手工配料、灌注等操作。

The distributive characteristics of the placer gold in the island frozen soil layer in the Luobei, Heilongjiang Province and its origin

黑龍江蘿北縣島狀凍土帶砂金分布特征及其成因探討

The Applied Technique Regarding Data of Gold Placer Mineral Anomalies in the Large Scale Prospecting Assessments of Gold Deposits

金重砂異常資料在大比例尺金礦找礦評(píng)價(jià)中的應(yīng)用技術(shù)

Double pipe hammering with inside pipe sampling technology and operation for placer drilling

砂鉆的雙管沖擊內(nèi)管取心工藝

Figure 16-20 shows the good correlation observed between the magnetic field and the gold values over a muck-covered placer in this area.

圖16-20表明了此地區(qū)腐殖土覆蓋下砂積礦床上面的磁場(chǎng)和含金量之間的良好對(duì)比關(guān)系。

Minerals Composition of Natural Placer and Geologic Significance in the Yongle-Pingjiang Area

永樂(lè)-平江地區(qū)自然重砂礦物組合及其地質(zhì)意義

Lead Isotope Composition and Sources of Trace Lead in Placer Gold of the Hunchun River Valley

琿春河流域砂金中微量鉛同位素組成及其來(lái)源

Factors Analysis for Resource Reliability of placer Mine and Improvement Methods

影響砂金礦資源可靠性的因素及改進(jìn)措施

Investigation on Comprehensive Utilization of Rare-earth Minerals in Zr-Ti Placer Deposit

鋯鈦砂礦中稀土的綜合回收研究

The checking computation of structural size of gold dredge in mining of gold placer

砂金礦采金船開(kāi)采結(jié)構(gòu)尺寸驗(yàn)算

About Environmental Protection in Gold Placer Mining Design

砂金礦開(kāi)采設(shè)計(jì)中的環(huán)保問(wèn)題

Study on hydrochemical mineralization factor of gold placer

砂金水化學(xué)成礦因素探討

Application of hyperbolic wave table in placer gold concentrator

砂金選廠雙曲波搖床的應(yīng)用

Experimental Study on Dressing of a Seabeach Placer in Fujian

福建某海濱硅砂選礦試驗(yàn)研究

dredging technology and equipment for thailand placer

泰國(guó)砂礦的船采工藝及設(shè)備

Study on new technic of purifying gold, silver from placer gold without pollution

無(wú)污染從砂金中提純金、銀新工藝方法的研究

Mine samples to placer gold separation and calculation of recovery

砂金選礦取樣及回收率計(jì)算

The Marginal Grade of Titanium Placer in Panzhihua and the Reserve Estimation

攀枝花鈦砂資源邊界品位的確定及其儲(chǔ)量估算

Discussion on the detection of mineral processing process of placer gold

砂金選礦工藝檢測(cè)探討

Weathering Crust and Placer Gold in Cold Region of Northeast China

中國(guó)東北寒區(qū)的風(fēng)化殼與砂金礦床

Important Factor of Boulder in Gold Placer Mining

巨礫是砂金礦開(kāi)采的重要因素

Study on Paste Pneumatic Bottler Placer

膏體物料氣動(dòng)灌裝機(jī)的研制

A research on new type of portable placer gold washing set

新型便攜式選金機(jī)組的研究

Mining practice of boulder gold placer

巨礫型砂金礦開(kāi)采實(shí)踐

Kinematic Analysis Based on Multi-body Dynamics for Placer Jib of Concrete Pump Truck

基于多體動(dòng)力學(xué)的混凝土泵車(chē)臂架的運(yùn)動(dòng)分析