| 释义 |
pitch·blende 英ˈpɪtʃˌblend美ˈpɪtʃˌblɛndAHDpĭchʹblĕnd' COCA²⁵⁴³³⁷⁺⁶BNC¹¹⁴⁰²⁴⁺⁵iWeb⁵⁹⁴²³
基本英英记法近义反义例句
n.沥青油矿¹⁰⁰
Noun:
a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium orepitch-blende⇒n.沥青油矿近义词 uraninite沥青铀矿天然氧化铀…
The radiometric age of pitchblende is109—108 m.
沥青铀矿的同位素年龄为108—109百万年。 cnki
The distribution patterns of rare earth elements of pitchblende and surrounding rocks in three types of uranium deposits have been studied.
该文研究了桂东北地区三种不同类型铀矿床中沥青铀矿及其围岩的稀土元素分布模式。 cnki
The initial lead in pitchblende belongs to radioactive origin from crust.
沥青铀矿中的初始铅属地壳放射成因。 cnki
The principal uranium mineral in the deposits of primary subtype is uraninite, but in reworked subtype are pitchblende and relict uraninite.
原生型矿床中主要铀矿物是晶质铀矿，改造型矿床中的主要铀矿物是沥青铀矿和残余的晶质铀矿。 cnki
The Xiazhuang uranium ore field is the biggest granitic-type uranium ore field in China, and the pitchblende- calcite mineralization type is a new type of high-grade ores.
下庄铀矿田是我国最大的花岗岩型铀矿田，其中的沥青铀矿方解石型矿化类型是近年来新发现的一种富矿类型。 dictall
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。 kuenglish
Marie began working with pitchblende because it contained uranium, but was cheaper to buy than pure uranium.
玛丽开始用沥青铀矿做试验，因为沥青铀矿含着铀，但是要比纯铀便宜得多。 yeeyan
Particularly part of pitchblende samples with colloidal structure features have the same physical and optical features as uraninite.
尤其有一部分具有胶状构造外表特征的沥青铀矿样品的各项参数均与晶质铀矿一样。 cnki
The uranium ores exhibit vein like, brecciated, massive and disseminated structures and pitchblende has colloform texture.
矿石具脉状、角砾状、块状和浸染状构造，沥青铀矿具胶状结构。 cnki
The pitchblende is the chief industrial mineral.
沥青铀矿是主要工业矿物。 cnki
Then she found that pitchblende was more radioactive than uranium by itself.
于是她发现沥青油矿，它的放射性要比铀本身还要强。 yeeyan
This led her to deduce that there were other substances within pitchblende that had properties of radioactivity.
于是玛丽推断出，在沥青铀矿中可能还有其他具有放射性的物质。 yeeyan
Uranium mineral is pitchblende which was formed in Lower Proterozoic.
铀矿物主要为沥青铀矿，形成于早元古代。 cnki
Uranium exists mainly in the form of adsorption with minor amounts of pitchblende, uranium black and secondary uranium minerals.
铀赋存形式以吸附状态为主，有少量的沥青铀矿、铀黑和铀的次生矿物。 cnki
Pitchblende is the most important industrial uranium mineral in China.
沥青铀矿是我国最重要的工业铀矿物。 cnki |