Glass Technology

- Aug 26, 2019-

Abstract: "glass technology" is one of the main professional courses of inorganic non-metallic materials. The course is designed to enable students to master the basic principles, process and equipment of glass production and preparation, and make them qualified for the basic technical requirements of glass production process engineers.However, traditional teaching, focusing on teachers' teaching and emphasizing indoctrination, ignores students' initiative in learning, and the classroom is boring, students have no interest, only passively cope with the exam, so it is difficult to meet the requirements of students' ability in this field.Combined with the characteristics and existing problems of the course itself, the author makes a beneficial exploration and attempt on teaching content, teaching methods, teaching means, production practice, experimental teaching and other links.

Key words: glass technology;Inorganic non-metallic materials;Curriculum reform;

Crystal crafts maintenance and cleaning matters needing attention

1. Crystal brittle, pay attention to prevent pressure, fall, high temperature, strong alkali, strong acid.When moving crystals, it is best to wear soft cotton gloves to avoid staining the collection with grease on your hands.When lifting crystal article, do not hold the coping that crystal places an article or epitaxial place, the base that should clutch crystal or whole body.Discover crystal to collect on have dirt, do not use feather brush, and should with light soft and the cloth that does not contain downy brush dust gently, do not force wipe, lest wear out crystal.

2. If oil stains or handprints are left on the crystal vessels, wash them with lukewarm soapy water and rinse them with clean water.To avoid repeated cleaning in hot water or cleaning kit.There are cut crystal ornaments, cut parts can be gently cleaned with a toothbrush, if there is not easy to wash out the stains, you can cut the lemon with some salt, gently scrub.Use a few drops of vinegar with salt.If be in store when putting crystal vase, put on shelf upper berth mat cloth beforehand, crystal vase is put in sealed vitreous ark or display case inside, in order to reduce the opportunity that crystal surface accumulates dust, also can reduce manual contact, avoid to cause damage.