查询词典 alexandrite

It is very difficult to find natural alexandrite gemstones.

这是很难找到的天然宝石宝石。

Just because it is an alexandrite, does not make it the best on the market.

只是因为这是一个翠绿宝石脉冲激光器，不使它成为市场上最佳的。

For many years, alexandrite was almost impossible to find because there was so little available.

多年来，宝石几乎不可能找到，因为有这么多的资料。

Its rarest variety Alexandrite (the color change variety of Chrysoberyl), is quite well known, although the number of people who have heard of Alexandrite is probably 100 times greater than the number who have ever seen one, and 1,000 times greater than the number who have ever owned one.

金绿玉是一种极为罕见的亚历山大石（换言之是金绿色的亚历山大石），世界知名。亚历山大石闻其名百人之中可能有一人曾经亲眼目睹，千人之中可能有一人曾经拥有。

Twenty four chrysoberyl and alexandrite samples from the major deposits all over the world were studi- ed qualitatively by XRF and the trace elements in chrysoberyl were gotten mainly to be Fe, Ga, Ti, in alexandrite to be Fe, Cr, Ti.

对24块世界主要产地的金绿宝石和变石进行X荧光能谱分析，得到其所含的主要微量元素分别是Fe、Ga、Ti和Fe、Cr、Ti。

Q-Switched Alexandrite laser in treatment of freckles and lentigo was proved to be effective and safe.

标 签 Q开关激光雀斑及雀斑样痣疗效 Q-Switched Alexandrite laser freckles and lentigo effects

However, Vitaliy Repej, a Ukrainian Alexandrite specialist, believes that Alexandrite was actually discovered on April 3, 1834 by the Tzar's famous Finnish mineralogist Dr.

但是，一位名叫 Vitaliy Repej 的乌克兰亚历山大石专家却认为亚历山大石的实际发现时间是1834年4月3日，发现者是沙皇手下有名的芬兰籍矿物学家尼尔斯。

The variety of chrysopal includes alexandrite, cat's eye stone, alexandrite cat's eye gemstone as well as some other variations.

金绿玉的种类包括（变石、猫眼石、变石猫眼宝石及其他一些变种）。

While Andalusite's color play has been compared to Alexandrite, this is technically incorrect as pleochroic (displaying different colors in different directions) gemstones like Andalusite feature all their colors at once, whereas Alexandrite only changes color in different light sources.

把红柱石的颜色变幻与亚历山大石相比，从专业角度来讲，这种比较并非科学，因为如红柱石一类的多向色性（不同方向呈现不同的颜色）宝石会在瞬间显现出她所有的颜色，而亚历山大石是靠不同的光源进行着颜色的变化。

Although the majority of Brazilian Alexandrite is heavily included or translucent, a tiny amount of better quality gems have been unearthed. In 2004, a new pocket of Brazilian Alexandrite was discovered, yielding blue green Alexandrite that changed to a delightful raspberry red.

尽管大多数巴西亚历山大石净度低或呈亚透明，但还是有少量的优质宝石破土现身。2004年人们发现了一处巴西亚历山大石新矿坑，出产的亚历山大石呈蓝绿色，透着沁人心脾的木莓红色。

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。