cupellation

"Cupellation" 的音标为 /kjʊˈpelɪəns/，基本翻译为"提纯；蒸馏；净化"；速记技巧为：cupel（坩埚）+ elation（使振奋）→提纯使振奋→提纯。

Cupellation这个词来源于拉丁语，意为“烧银于铜”，这个词通常用来指代一种化学或物理实验方法，即通过加热使金属离子从溶液中分离出来。

变化形式：词形变化通常取决于语境和词性。例如，在作为名词使用时，它可以表示“烧银于铜的过程”或“提银的方法”；在作为动词使用时，它可以表示“烧银于铜”或“使……提银”。

相关单词：

1. Electroplating：电镀，这个词源自于英语，指的是通过电化学方法在金属表面沉积一层金属或合金的过程，与cupellation有相似之处，都是通过化学或电化学方法从溶液中提取金属。

2. Purification：净化，这个词通常用来指去除杂质的过程，与cupellation有类似之处，都是涉及到从溶液中提取物质的过程。

3. Separation：分离，这个词表示将物质分开或分离的过程，与cupellation有相关性，因为cupellation就是一种物质分离的方法。

4. Extraction：提取，这个词通常用来表示从溶液或混合物中提取物质的过程，与cupellation有相似之处。

5. Condensation：凝结，这个词表示气体变成液体或固体的过程，与cupellation也有一定的相关性，因为cupellation过程中可能会发生物质的凝结或沉淀。

常用短语：

1. Cupellation test 钩形测定法

2. Cupellation analysis 钩形分析

3. Cupellation of gold 黄金的钩形测定法

4. Cupellation equipment 钩形测定设备

5. Cupel furnace 钩形测定炉

6. Cupel tube 钩形测定管

7. Cupel rake 钩形测定耙

双语例句：

1. The cupellation test was conducted to determine the purity of the gold.

通过钩形测定法来测定黄金的纯度。

2. The cupellation equipment used in the laboratory is very accurate and reliable.

实验室使用的钩形测定设备非常精确且可靠。

3. The cupel furnace is used to heat the gold sample for the cupellation test.

钩形测定炉用于加热黄金样品进行钩形测定法。

4. The cupel tube is a common tool for conducting cupellation analysis.

钩形测定管是进行钩形分析的常用工具。

5. The cupel rake is used to collect the gold particles from the cupel tube.

钩形测定耙用于从钩形测定管中收集金粒子。

6. The cupellation process is a time-consuming and labor-intensive process.

钩形测定法是一个耗时且劳动密集的过程。

7. The gold produced through cupellation is pure and suitable for jewelry making.

通过钩形测定法得到的黄金纯度高，适合用于制作珠宝。

英文小作文：

Cupellation is a method used to extract gold from ores and other materials. It involves heating the materials in a furnace and collecting the gold particles that form at the bottom of the container. This process can be time-consuming and labor-intensive, but it is a reliable way to obtain pure gold for various purposes, such as jewelry making and other applications.

In my opinion, cupellation is an interesting and challenging process that requires knowledge and skills to perform properly. It is also an environmentally friendly process because it does not involve any toxic chemicals or harmful waste products. However, it is important to note that not all gold ores can be effectively processed using this method, and therefore, other methods may be required in some cases.