IRK
发表于 2025-3-23 10:33:03
Crystal Structure,scovered techniques for producing materials that had properties to those of the materials occurring naturally. The development of many advanced technologies has made life easier. For example, in automobile and aircraft materials used were mostly metallic.
Indolent
发表于 2025-3-23 16:21:49
Quantum Physics,proaches towards the understanding of almost anything in the universe. The atomic behaviour is not an ordinary thing like what we are observing in day to day life as our human intuition become normally applicable to the larger objects.
Lacunar-Stroke
发表于 2025-3-23 19:34:52
Free Electron Theory,twentieth century. An atom is considered to be made up of electrons, protons and neutrons. The electrons, revolving around the nucleus in various orbits play important role in various engineering application.
欢呼
发表于 2025-3-23 23:46:26
http://reply.papertrans.cn/88/8716/871551/871551_14.png
摇曳的微光
发表于 2025-3-24 04:04:33
http://reply.papertrans.cn/88/8716/871551/871551_15.png
身体萌芽
发表于 2025-3-24 06:56:02
http://reply.papertrans.cn/88/8716/871551/871551_16.png
令人不快
发表于 2025-3-24 11:17:48
http://reply.papertrans.cn/88/8716/871551/871551_17.png
HOWL
发表于 2025-3-24 17:26:24
Preparation and Characterization of Nanoparticles,In 1960 Nobel Prize winning physicist Richard Feynman considered the expectation of future science on nanostructures.
蚊帐
发表于 2025-3-24 19:41:38
http://reply.papertrans.cn/88/8716/871551/871551_19.png
过去分词
发表于 2025-3-25 03:01:21
http://image.papertrans.cn/s/image/871551.jpg