铀矿

It is shown that microbial pitchblende quickly formed on the surface of the bacteria a week later.

结果表明，实验一周后，微生物成因沥青铀矿迅速地在该菌胞表面生成。

A method is described for the separation of high purity 230Th from pitchblende based on ion exchange.

本文以阴离子和阳离子交换法从沥青铀矿中提取~(230)Th。

Marie Curie, a famous scientist, has set a good example. In 1898, Marie found a new element in the pitchblende.

玛丽。居里，一位著名的科学家，就是一个很好的例子。1898年，玛丽在沥青铀矿中发现了一种新元素。

In reality the proportion of the hypothetical element was far lower and it took several years to show unequivocally that ''.'pitchblende'.

实际上这种假设中的元素的浓度要小得多，我们花了几年时间才明确无误地证明沥青铀矿物质中至少含有一种高放射性物质，在化学意义上这就是一种新元素。

Marie Curie, a famous scientist, also has set a good example. In 1898, Marie found a new element in the pitchblende. In order to improve her discovery, Marie and her husband worked hard. At last they saw the dim blue light of new element ——radium.

玛丽·居里，一位著名的科学家，也给我们树立了典范。1898年，居里夫人在铀矿里发现了新元素，为了证明她的发现，居里和她的丈夫努力钻研，最后他们终于看见了镭的蓝光，发现了新元素。

In reality the proportion of the hypothetical element was far lower and it took several years to show unequivocally that pitchblende contains at least one highly-radioactive material which is a new element in the sense that chemistry attaches to the term.

实际上这种假设中的元素的浓度要小得多，我们花了几年时间才明确无误地证明沥青铀矿物质中至少含有一种高放射性物质，在化学意义上这就是一种新元素。

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。

In order to solving the problem on scarcity of backup resources of the depleted mines in Lujing uranium ore-field and using the existing sub-profitable type of geological reserves, it is suggested that the high grade of profitable type of deposits should be explored around the exhausting mines so that the production of the mines could be profitable by the pithead heap leaching mining method with arrangement groups of both sub-profitable and profitable type of ores.

为了解决鹿井铀矿田危机矿山后备资源短缺问题，完全盘活已有的次经济型地质资源，建议在该危机矿山周边地区寻找品位较富的经济型矿床，通过次经济的与经济的矿石贫富搭配，采用坑口堆浸法工艺，确保矿山生产赢利。

With the geological-economic evaluation program for pithead heap-leaching mining uranium deposits developed by the authors and the data of column-leaching tests and the geological resrver, the geological-economic evaluation is made to the residual geological reserves of both Lujing and Huangfengling deposit, and the geological reserves of Yangjiaonao deposit of the depleted mines in Lujing uranium ore-field, central-southern China.

采用自主研发的坑口堆浸地质经济评价程序，利用室内柱浸工艺实验数据和矿床地质资源数据，对鹿井铀矿田危机矿山鹿井、黄蜂岭矿床的剩余地质资源及羊角脑矿床的地质资源进行了坑口堆浸地质经济分析。

On the other hand, the leaching rate with a vertical abrasion mill, in which uranium ore is subjected to pulverization and leaching at once, is 82% after conducting the operation for 15 minutes, and not less than 92% after conducting the operation for 30 minutes.

就另一方面，浸出率与垂直磨磨，其中铀矿是受到粉碎和浸出一次，是 82 ％后进行手术 15 分钟，并不少于 92 ％后进行手术 30 分钟。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。