查询词典 opaline

Researchers have found that these bright layered deposits contain opaline silica and iron sulfates.

研究人员发现，这些明亮的层状矿床含有乳白色硅和铁硫酸盐。

SEM images show that gold nanoparticles can be directly deposited on the surface of silica spheres in the opaline structure.

利用电沉积的方法将纳米金渗透到这种人工蛋白石的空隙中，构成gold/silica复合蛋白石材料。

The opaline silver dial is very pure and classic.

蛋白银色表盘非常纯净和经典。

One particular location where the opaline silicates were found was the large canyon system Valles Marineris.

发现蛋白石硅酸盐的一个特殊地点是大型山谷系统——水手谷。

Its nature is like opaline doves'-neck luster, hovering and evanescent.

美的本质犹如鸽子颈项上的乳白光泽，飘忽即逝。

These opaline silicates were detected by MRO's Compact Reconnaissance Imaging Spectrometer for Mars and are the youngest of the three types of hydrated minerals.

这些蛋白石硅酸盐是由火星侦探卫星上搭载的专用小型侦察影像频谱仪发现的，是三种含水矿物中最年轻的一种。

" The opaline silica deposits would be good places to explore to assess the potential for habitability on Mars , especially in these younger terrains ."

"重要的是，液态水在火星上存在的时间越长，火星可能适合生命存在的时间也就越长，"米利肯说，"若要评估火星上潜在的可居住性，这些蛋白石硅酸盐沉积层，特别是较为年轻岩体中的沉积层，将会是理想的研究地点。"

A siliceous rock of chalcedonic or opaline silica occurring in limestone .

这是在风化的灰岩露头上用较小的AB距(40m)记录的。

Some of the opaline deposits were also associated with iron sulfates, which study team member Ralph Milliken of NASA's Jet Propulsion Laboratory in Pasadena, Calif., said is the exact sort of minerals you would expect to see if you had really acidic water.

" 一些蛋白石沉积层也跟硫酸铁和硫酸亚铁有关。研究小组成员、加州帕萨迪纳市美国国家航空航天管理局空气推进实验室的拉尔夫·米利肯说："这些硫酸盐跟存在酸性水的情况下你所期望看到的那种矿物一模一样。

"What's important is that the longer liquid water existed on Mars, the longer the window during which Mars may have supported life," Milliken said. The opaline silica deposits would be good places to explore to assess the potential for habitability on Mars, especially in these younger terrains.

" "重要的是，液态水在火星上存在的时间越长，火星可能适合生命存在的时间也就越长，"米利肯说，"若要评估火星上潜在的可居住性，这些蛋白石硅酸盐沉积层，特别是较为年轻岩体中的沉积层，将会是理想的研究地点。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐