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用法例句

A pitch-pitchblende-pyrite vein was firstly observed in the ore from the Sawapuqi uranium deposit in Xinjiang through the study of ores by using polarization-microscope,fluorescence-microscope and electron-probe.

通过对新疆萨瓦莆齐铀矿床中铀矿石的偏光、荧光反射显微镜研究和电子探针分析测试,首次在矿石中发现沥青-沥青铀矿-黄铁矿脉,对脉体中沥青、沥青铀矿、黄铁矿的空间关系研究表明,沥青铀矿和黄铁矿均受沥青脉的控制,是脉体中还原能力较强的轻烃类物质与周围环境相互作用的产物,矿物中的铀和铁元素主要来自周围环境而非脉体本身。

A densely zoned rhythmic intergrowth of coffinite and pitchblende was found in a granite hosted uranium deposit in SE China.

本文报道某铀矿床中铀石与沥青铀矿交互生成多达 2 0环稠密韵律生长环带 ,结合该矿床矿物气液包裹体研究资料和文献资料 ,探讨生成这一罕见奇特结构的介质物理化学条件及机制。

The ore minerals consist mainly of pitchblende (UOx, x=2.

镜下观察结果显示,铀矿物主要为沥青铀矿(UOx,x=2。

The Uraninite has high UO_2 (maximum about 94%),low Al_2O_3(<1%) and variable P_2O_5 contents.

该处铀矿物成份主要是沥青铀矿和次生铀矿物,前者 UO_2最高为94%,Al_2O_3<1%,P_2O_5含量变化大,按照 P_2O_5含量可分两组,其一变化于2。

The uraninite of Dabu uranium deposit is rich in rock-forming elements of Si,Al,Ca, et.

大布铀矿床沥青铀矿含其他造矿元素少 ,而含Si、Al、Ca等造岩元素多 ,氧化程度高 ,含杂质元素种类和数量少且为机械混入 ,生成于低温浅成环境 ,成矿于岩浆活动结束之后 ,与岩浆演化关系密

Thus, certain pitchblendes containing 75% of uranium oxide are about four times as radioactive as this oxide.

比如，含75％氧化铀的某种沥青铀矿物质的放射性是铀氧化物放射性的4倍。

A complex brownish-black mineral, UO2, forming the chief ore of uranium and containing variable amounts of radium, lead, thorium, and other elements.

沥青铀矿黑褐色的合成矿，UO2，主矿为铀，还包括不定数量的镭、铅、钍和其他元素

Leaching mechanism of pitchblende by Acidithiobacillus ferrooxidans

嗜酸氧化亚铁硫杆菌在沥青铀矿石浸出中的作用

We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.

我们发现沥青铀矿物中至少含有两种放射性物质：与铋伴生的命名为钋，与钡伴生的命名为镭。

Pitchblende and chalcolite are much more radioactive than uranium itself.

沥清铀矿和铜铀云母比纯铀的放射性强得多。

It was the ore from which uranium had been taken and was of no use.

铀元素正是从这种矿石中提取出来的。 提炼之后，沥青油矿就成了废渣。

a gummy orange mixture of uranium oxides and silicates occurring naturally in the hydration and oxidation of pitchblende.

一种橙色粘性的铀氧化物和硅酸盐的混和物，由沥青油矿在水合作用和氧化作用下天然形成。

3 Bituminous crude oil: Refers to crude oil extracted from bituminous minerals.

三沥青矿原油：指自沥青质矿物提出之原油。

Any of various natural bitumens, such as mineral pitch or asphalt.

树脂，自然沥青某种自然的沥青，如矿石沥青或树脂

Calculation of Aggregates Grading for Asphalt Mixture by Use of EXCEL

用电子表格计算沥青混合料矿料级配

THE STUDY ON THE FACTORS AFFECTING THE ADHESIVENESS BETWEEN MINERAL AGGREGATES AND EMULSIOUS

矿料和乳化沥青粘附性影响因素研究

The Test Research on Critical Voids in the Minerals of Asphalt Mixture;

沥青混合料临界矿料间隙率试验研究

Compared Rheology of Asphatlt Mastics Performance With Hydrated Lime and Limestone Filer

消石灰与矿粉沥青胶浆流变性能比较

1 Oil: Refers to petroleum crude oil, bituminous crude oil, and petroleum products.

一石油：指石油原油、沥青矿原油及石油制品。

Exports: textiles and footwear, asphalt, metals and metallic ores, crude oil.

出口:纺织和鞋类,沥青,金属和金属矿,原油.

Flame-retardant Mechanism and Technology Research on Mineral Component in Asphalt Pavement;

沥青路面的矿物组分阻燃机理与技术研究

The Research of High Alkaline Slagin Asphalt Concrete Pavement;

高碱性矿粉在沥青砼路面中的试验研究

Study on Ore Material Grade Mixes of Mixture of Bitumen and Match Ratio is Designed;

沥青混合料矿料级配及配合比设计方法的研究