查询词典 fluorite

Zonal chromatic aberration of the objective is 0.13 mm at focal length 800 mm,and the triplet combination of the fluorite glasses and some heavy flint type glass is effective to correct color aberrations.

结果表明，采用氟化物玻璃与重火石玻璃的三片式组合在短波红外段具有较好的消色差能力。

According to the difference of the mineral property,an investigation is made of the floatability and process flowsheet of a certain fluorite ore.

根据矿物性质差异，对某碳酸盐萤石矿进行了可选性研究。

A nonmetallic univalent element; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite.

一种非金属单价元素，通常为黄色的刺激性有毒易燃气体，氧化性极强，从萤石、冰晶石或氟磷灰石中回收。

In that year the fluorite Series FC 65, 78, 100, and 125 were introduced.

同年萤石系列FC 65， 78， 100和125也相继问世。

Fluorite continuous rise in the price, so that the impact of the tax rebate rate becomes very small.

萤石持续的价格上涨，从而使所产生的影响退税率变得非常小。

Illinois is the largest producer of Fluorite in the United States.

伊利诺伊州是最大的萤石生产国在美国。

Obviously, they know the difference between fluorite and ED.

显然，这些生产商们知道ED与萤石之间的差别。

Fluorite is not cleaned very well by oxalic acid and seems to be etched by it.

萤石是没有清理得很好，由草酸并似乎已被镌刻在所左右。

The transparent colorless fluorite can be used to produce special optical lens.

透明无色的萤石可以用来制作特殊的光学透镜。

The results show that the prepared samples have uniform crystallinity and fine crystalline, with a cubic fluorite structure.

结果表明：所得到的纳米晶粒度均匀、结晶完好，属于立方萤石结构。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。