On the basis of the analysis to mineralizing system texture, the rock- and ore-forming ages of the granite-porphyry and related molybdenum ores were precisely redefined by the SHRIMP zircon U-Pb and molybdenite Re-Os dating method.

在對(duì)礦區(qū)礦化系統(tǒng)結(jié)構(gòu)研究的基礎(chǔ)上，應(yīng)用鋯石SHRIMP U-Pb法和輝鉬礦Re-Os同位素測(cè)年法對(duì)成巖和成礦進(jìn)行精確定年一级a黄色视频在线99。

Huludao city is one of most important base to produce molybdenum ore.

葫蘆島市是中國(guó)最重要的鉬礦基地。

The characteristics,and current development and utilization of molybdenum ore in the stone coal are described.

對(duì)石煤中鉬礦的特點(diǎn)、性質(zhì)福利视频网，以及開(kāi)發(fā)利用現(xiàn)狀進(jìn)行了介紹。

This article studied the heavy metals pollution in the soil of molybdenum ore areas.

對(duì)葫蘆島鉬礦區(qū)土壤重金屬污染的情況進(jìn)行了詳細(xì)研究日韩精品第124页视频。

Authors suggest that uranium ore formation occurred after the appearance of the above subsidiary tectonic units, and sandstone bodies of the Ⅱ,Ⅲ,Ⅳ,Ⅶ cycles, Shuixigou Group in the southern syncline, and sandstone bodies of the Ⅰ,Ⅱ,Ⅲ,Ⅴ cycles, Shuixigou Group, as well as sandstone bodies of Xiaoquangou Group in the northern monoclinal zone, they are ...

文章認(rèn)為鈾成礦作用發(fā)生在這些次級(jí)構(gòu)造單元形成之后国内黄色网站在线，且具有找礦前景的是南部向斜帶水西溝群第Ⅱ、Ⅲ免费看日批视频、Ⅴ少妇无码毛片一区二区、Ⅶ旋回砂體和北部單斜帶水西溝群第Ⅰ、Ⅱ综合激情图片、Ⅲ九色91、Ⅴ旋回砂體及小泉溝群砂體曰本色色色。從容礦層位連續(xù)性、分布面積黄色网站首页免费进入、砂體特征及層間氧化帶發(fā)育特征等成礦條件看人人操一级片，北部單斜帶鈾成礦條件和找礦前景均優(yōu)于南部向斜帶。

Bigger cost would come from further monopolization of iron ore market.

更大的損失將來(lái)自于進(jìn)一步壟斷的鐵礦石市場(chǎng)日韩精品成人蜜桃在线观看。

The cyclones with short cone are used for crude grading of minerals with heavier specific gravity in gold mines, sand gold mir.es and sulphur ore mines and have such advantages as small ground occupation, high capacity, high operating flexibility, low energy consumption and high movability etc.

短錐分選旋流器用于金礦欧美4444视频、砂金礦、硫化礦等比重較大的礦物的粗選作業(yè)黄色三级毛片多人，具有占地面積小美女的隐私秘视频播放，處理能力大，操作彈性大日韩美a一级毛片无码可以试看，能耗低在线日韩成人电视免费观看网站视频，可移動(dòng)性強(qiáng)等優(yōu)點(diǎn)。

Drilling and mucking is the way that gold is taken from the ground. A mucker is a machine that gets the rock out of the ground and moves broken rock onto a conveyor belt. A hand mucker is a man who shovels ore and unwanted rock out of a mine.

鉆巖及除渣是將黃金自地面挖出來(lái)的方式国产激情视频免费在线看，除渣機(jī)是一臺(tái)機(jī)器秋霞电影网717，負(fù)責(zé)挖出地下的石頭，并將這些碎石運(yùn)送至輸送帶上欧美AⅤ一区二区三区视频，而手動(dòng)除渣則是指工人由開(kāi)挖礦砂及不要的石頭偷拍美女插B。

Sinosteel and Murchison are competing to buy Midwest, another Australian iron ore group.

目前，中鋼和Murchison正在競(jìng)購(gòu)澳大利亞另一家鐵礦石公司——中西部公司污污网站在线免费色。

Midwest and Murchison, which have held tie-up talks before, hope to develop a new iron ore hub in Western Australia's midwest region.

此前a片在线观看的，中西部公司和Murchison曾進(jìn)行合作談判，希望在西澳的中西部地區(qū)開(kāi)發(fā)一個(gè)新的鐵礦石樞紐狼友在线精品视频网站。