硝石

Taiyuan can be rich in minerals, mainly iron, manganese, copper, aluminum, lead, zinc and other metal ore and coal, sulfur, gypsum, vanadium, saltpeter, fire-resistant clay, silica, limestone, dolomite, sand stone, such as the United States and non-metallic minerals.

太原矿藏堪称丰富，主要有铁、锰、铜、铝、铅、锌等金属矿和煤、硫磺、石膏、钒、硝石、耐火粘土、石英、石灰石、白云石、石美砂等非金属矿。

Simply to produce azotic acid; andthat was easy, since saltpeter, attacked by sulphuric acid, gives azotic,or nitric, acid by distillation.

只是为了制造硝酸，制造硝酸非常简单，只要用硫酸和硝石化合，就可以蒸馏出硝酸来。

Saltpetre is one of the things used in gunpowder.

硝石就是其中的东西用在火药。

Sold in some pharmacies as saltpetre .

出售在一些药房硝石。

The nitrate is also called saltpetre, and the carbonate is called potash.

硝酸盐亦称硝石，碳酸盐亦称钾碱。

With the aid of his pickaxe, Dantès, after the manner of a labor-saving pioneer, dug a mine between the upper rock and the one that supported it, filled it with powder, then made a match by rolling his handkerchief in saltpetre.

唐太斯拿起鹤嘴锄，在大圆石和那块顶住它的大石头之间挖了一个如同工兵开路时想节省人力的坑沿，里面填满火药，然后用他的手帕卷了一点硝石作导火线，点燃导火线，赶快退开。

With the aid of his pickaxe, Dantès, after the manner of a labor-saving pioneer, dug a mine between the upper rock and the one that supported it, filled it with powder, then made a match by rolling his handkerchief in saltpetre. He lighted it and retired

唐太斯拿起鹤嘴锄，在大圆石和那块顶住它的大石头之间挖了一个如同工兵开路时想节省人力的坑沿，里面填满火药，然后用他的手帕卷了一点硝石作导火线，点燃导火线，赶快退开。

Modern firearms do not use the traditional gunpowder described in this article, but instead use smokeless powder.

因为制造火药的主要原料硝石洁白如雪，所以火药被阿拉伯人称为『中国雪』和『中国盐』。

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。