查询词典 radium

Madame Curie is well known for her discovery of radium.

这部音乐片是威尔森夫人的参赛作品。

Taking the drawing die for the wheel spoke as an example, a method by adopting the rigid blank_holding ring after refining treatment, and by controlling the clearance between the blank_holding ring and the matrix surface and reducing the curvature radium of the matrix mouth was introduced.

以车轮轮辐拉伸模为例，介绍采用调质处理的刚性压边圈，并通过控制压边圈与凹模平面的间隙和减小凹模口圆角半径的方法，能够实现在普通压力机上直接拉伸，使制件质量稳定、操作简便，并降低了生产成本，提高了材料的利用率。

With the extreme assumption that only 1 milligram of radium was needed per generator, less than 10 percent of a single year's production of autos in the US in the mid-1920s could have been supplied with such generators.

与极端的假设，只有1毫克的镭需要每发电机，用不到百分之十的一个单一的年生产的汽车在美国的中期， 20世纪20年代可以得到这样的发电机。

Bending radium of cable shall be no less than 15 times that of cable outer diameter .

弯曲半径：电缆弯曲半径不低于电缆外径的15倍。

The bent radium of cable is not less than 6 times of cable's outer diameter.

耐热级电缆长期允许工作温度380℃以下，普通级电缆长期允许工作温度70℃以下。

Alkaline earth metal Any of the six chemical elements in the second leftmost group of the periodic table (beryllium, magnesium, calcium, strontium, barium, and radium).

碱土金属：碱土金属是元素周期表中的IIa族元素，即铍、镁、钙、锶、钡、镭。

This important group of scientists had asked Pierre Curie to give them a lecture on radium.

这群显赫的科学家们邀请了皮埃尔·居里来给他们做有关于镭的演讲。

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。

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 1898 Marie Curie and her husband discovered two other naturally occurring, strongly radioactive elements, radium and polonium .

1898年居里夫人和她的丈夫发现了另外两种天然存在的强放射性元素，镭和钋。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。