易改变
发表于 2025-3-25 04:53:56
http://reply.papertrans.cn/87/8619/861868/861868_21.png
臆断
发表于 2025-3-25 07:34:07
Special glasses and their uses,pplication-tailored properties. These glasses are used in many different fields, such as chemistry, pharmacy, electrotechnology, electronics, apparatus and instrument construction, optics, illumination engineering, household appliances, certain sectors of the construction industry and in other technical applications.
Infinitesimal
发表于 2025-3-25 13:42:06
The history of glass,n lightning strikes into quartz iferous sand or when meteorites hit the surface of the earth. During the stone age, humans used cutting tools made of natural glass of volcanic origin, known as absidian and tektities.
Neutropenia
发表于 2025-3-25 16:50:03
Glass, the material,erials can also occur naturally. For example, obsidian, often found in volcanic areas, has a composition comparable to man-made glass. It consists of sand, and sodium and calcium compounds; and it was fashioned into knives, arrowheads, spearheads, and other weapons in ancient times. Natural glass in
内行
发表于 2025-3-25 23:26:20
The glassmelt,f the batch material, the type of heating energy, and the type of melting process used are determined by the glass type to be melted and the product to be made. Removal of the glass from the furnace for further processing and the cooling cycle are stages subsequent to the melting process.
放肆的你
发表于 2025-3-26 00:24:27
http://reply.papertrans.cn/87/8619/861868/861868_26.png
天然热喷泉
发表于 2025-3-26 05:35:41
Special glasses and their uses, special glasses is their application and this determines the requirements on certain properties of the glass. These glass properties can be influenced or adjusted by formulating suitable compositions which, in turn, requires intensive scientific research which few glass companies in the world can s
llibretto
发表于 2025-3-26 11:01:17
http://reply.papertrans.cn/87/8619/861868/861868_28.png
Excitotoxin
发表于 2025-3-26 16:21:42
Glass, the material, the form of obsidian was primarily used by peoples of the Eastern Mediterranean. It was in high demand in this region as an object of trade. The Aztecs in Mexico were also familiar with obsidian and created religious and household items from it.
极小量
发表于 2025-3-26 17:07:39
tals laid by the multi-agent system paradigm. The joint roots of these concepts bring not only advantages such as flexibility, resilience or self-organization, but also severe issues such as difficult validation and verification of their behavior. Simulations are a well proven strategy facilitating