吼叫 发表于 2025-3-28 15:46:12

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Defense 发表于 2025-3-28 19:52:47

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Generosity 发表于 2025-3-29 01:21:54

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无可非议 发表于 2025-3-29 05:16:13

Explosives, burning the experimenter and the house. These warnings still apply today. The first European to refer to gunpowder was Roger Bacon who concealed the formula in a code which was not revealed for another century. By 1346 gunpowder (or black powder) was used to fire a cannon in battle. In the 17th century it was used in mines as a blasting agent.

名字的误用 发表于 2025-3-29 09:25:49

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nonchalance 发表于 2025-3-29 15:07:10

Schlussbetrachtung und Ausblicke solids as distinct from bolting, rivetting or even brazing, welding, or soldering. One of the most common examples of . and one not yet understood completely is the barnacles which strongly adhere to ships’ hulls and which are supposed to have influenced the battle of Salamis in 480 ..

污点 发表于 2025-3-29 18:59:25

https://doi.org/10.1007/978-3-642-50260-6 burning the experimenter and the house. These warnings still apply today. The first European to refer to gunpowder was Roger Bacon who concealed the formula in a code which was not revealed for another century. By 1346 gunpowder (or black powder) was used to fire a cannon in battle. In the 17th century it was used in mines as a blasting agent.

苍白 发表于 2025-3-29 22:57:43

https://doi.org/10.1007/978-1-4615-0531-0adopted-textbook; ceramics; chemistry; corrosion; dynamics; electrochemistry; energy; fuel cell; kinetics; ma

合同 发表于 2025-3-30 00:39:53

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遗传学 发表于 2025-3-30 06:06:08

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查看完整版本: Titlebook: Applied Chemistry: A Textbook for Engineers and Technologists; A Textbook for Engin H. D. Gesser Book 20021st edition Kluwer Academic / Ple