查询词典 uranium ore

Radium does not occur free in nature but occurs in natural ore s such as pitchblende as a disintegration product of radioactive decay of heavier elements, including uranium.

在自然界镭不存在游离状态，但存在于天然矿石中，如沥青铀矿，是更重元素放射性衰变的产物。

A writer has found a small deposit of manganese ore and rock specimens flecked with uranium or stained green by copper.

一名作家还发现了一个不大的锰矿堆积体和一些粘染有铀痕迹或者带着铜绿斑痕的矿石标本。

Uranium is usually extracted from ore that contains 1,000 or more parts per million of the element.

铀通常是从铀含量在百万分之一千以上（1000 ppm）的铀矿中提炼出来。

The thoriaum and uranium bearing radioactive materials associated with Baotou Municipal Baiyunerbo Mine is typical thoron associated ore.

包头市所属白云鄂博矿平均伴生 0 。0 4 %钍和 0 。0 0 1 %铀放射性物质，是典型的钍伴生矿。

Uranium in the ore is separated and converted into U in HCl andcomplexed with TPC and a new type thoron reagent,2(phosphino-chloro-benzenediazo)-7 (disulfo-naphthyl-diazo)-naphthalene-1, 8 diol-3, 6 disulfonic acid.

铀在 0.5—1.4 mol/l盐酸中，用氯化十四烷基吡啶作增溶剂，铀与偶氮氯膦6，8-萘二磺酸-TPC形成的三元络合物具有极高的灵敏度ε_(705nm=1.6×10~5l·mol~(-1)·cm~(-1)和较好的选择性。

Any ore from which uranium can be extracted.

任何可以从中提取铀的矿石。

A yellow radioactive mineral; an ore of uranium and radium and vanadium .

一种黄色的放射性矿物；一种由铀、镭、钒混合而成的矿石。

The country has the world's biggest deposits of bauxite, as well as gold, diamond, uranium and iron ore – resources that enabled Mr Conte to survive periods of global isolation.

几内亚有着世界上最大的铝士矿储量，以及黄金，钻石，铀和铁矿石等资源。这些资源使前执政者Conte能在全球孤立期间生存下来。

This thesis has emphasized studies on forming mechanism of dioritic quenched enclaves in the subvolcanic dikes and cryptoexplosive breccia at depth of the Zoujiashan uranium deposit, systematically studied the diagenetic ages, geochemical characteristics and Nd, Sr, Pb and Lu-Hf isotopic compositions of the Xiangshan volcanicintrusive complex and mineralization at depth of the Xiangshan ore-field.

本文重点解剖了相山次火山岩中闪长质淬冷包体及邹家山富大铀矿床深部隐爆角砾岩的成因机制；系统研究了相山火山-侵入杂岩的成岩时代及其Nd、Sr、Pb和Lu-Hf同位素组成；同时还对相山火山-侵入杂岩的岩石地球化学特征及相山矿田深部的成矿作用进行了深入研究。

Source, transportation and precipitation, this paper proposes the metallogeny of large ore-concentrated areas of uranium deposits.

本文研究铀矿大型矿集区时空分布规律与地球动力学演化的关系，在此基础上探讨了铀矿大型矿集区元素超常聚集规律，提出多矿种&点区超常聚集&和&短时限爆发成矿&特征。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。