石英

Arkansas is known for its high quality Quartz - regarded as some of the world's best.

阿肯色州以其高品质的石英-视为一些世界上最好的。

There are two steps arris in the center of the quartz sidewall in wet etching process.

经过试验摸索，在70℃下腐蚀，可获得表面质量较好的石英微结构。

The second one exists in crystal lattice of pyrite, arsenopyrite and hematite.

裂隙金 产于石英、赤铁矿和黄铜矿等矿物裂隙之中；c。

The major metallic minerals and also the major gold carrier minerals are arsenopyrite and pyrite. The nonmetallic minerals are quartz and carbonate mineral.

主要的金属矿物为毒砂、黄铁矿，同时也是主要的载金矿物；非金属矿物为石英、碳酸盐矿物。

The major metallic minerals and also the major Gold carrier minerals are pyrite and arsenopyrite. The nonmetallic minerals arc quartz and carbonate mineral.

主要金属矿物为黄铁矿、毒砂，同时也是主要的载金矿物；非金属矿物为石英、碳酸盐矿物。

The principles and a description of the main parts of the new instruments are as follows :(1)By means of a fused quartz mirror system and mercury horizon(shown in fig.4),a telescope with a fixed glass grid,three photomultipliers with respective a.c.amplifiers and a time recorder,the astrolabe can determine the time of almu- cantar transit of a star ...

新仪器的特点如下：(1)借助熔石英角镜组和汞地平、一架望远镜和固定的玻璃记录栅、三个光电倍增管及其交流放大器和一架计时仪，此仪器能无人差地测定星过等高圈时刻。

The late rocks such as quartz syenite porphyny, aegirine augite syenite and syenogebbro were hosted in the upper middle part of Xionger Group.

晚期有石英正长斑岩、霓辉正长岩、正长辉长岩产出，赋存在熊耳群中上部。

Late orogenic Luyashan augite- monzonite, Yunzhongshan granite and Dacaoping porphyristic granite formed at c.1800Ma.

最后形成了后造山的芦芽山含辉石石英二长岩、云中山花岗岩和大草坪斑状花岗岩，形成时代为1800Ma左右。

The auxiliary differential equation of wave propagation in multiple Lorentz-dispersive and nonlinear media is derived. After the study of the optical pulse propagating in silica optical fiber, the best electric intensities for this material with different length are obtained.

论文中推导了在具有多个洛伦兹色散的非线性媒质中的辅助差分方程，探讨了在石英光纤中光脉冲的传输性质和现象，并得到了在这种媒质中经过不同距离出现光孤子效应时最佳的波源场强值。

But make no mistake, Aventurine is certainly not glass, it is actually a much sought after member of the Chalcedony Quartz family.

但可以肯定地说，沙金石并非玻璃，她实际上是玉髓石英家族中的极品。

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。