Yttrium, pronounced yǐ in Chinese, is a metallic element, a rare earth metal, with a gray-black powder and metallic luster. It is the first rare earth metal element discovered, which has ductility. Can react with hot water, soluble in dilute acid. Special glasses and alloys can be made.

Pinyin yǐ, phonetic notation I ˇ, radical part, external stroke 1, total stroke 6, five strokes, Zheng code PYDA, four corners 877 10, structure left and right, code 79 18, position 7838, unified.

Stroke order: ノ, ノ, フ, フ, フ.

Name of strokes: left, horizontal, horizontal, vertical, horizontal hook/horizontal oblique hook.

Yttrium sentence making

1. In this paper, various factors affecting the synthesis yield of yttrium isoethoxide were studied, and the optimum conditions for synthesizing yttrium isoethoxide were determined.

2. The content of yttrium oxide can be measured by titration with EDTA standard solution.

3. The effect of rare earth additive yttrium oxide on the microstructure, chemical composition and mechanical properties of weld metal was studied, and the mechanism of yttrium oxide was analyzed.

4. This paper discusses the basic principle and thermodynamic process of electrochemical deoxidation and purification of rare earth metal yttrium for the first time.

5. A surfacing covered electrode containing rare earth yttrium with good technological performance was developed, and the microstructure, hardness and wear resistance of the surfacing layer were systematically studied.