Diamondscoreda perfect 10 on this scale, clearly indicating that it is the hardest natural material when subjected to scratching. To understand how good a diamond is, consider steel, which is known for its toughness, scoring only a 4.5 on this scale! Now, measuring hardness by a substance’s...
[translate] a•The knives are made from Zirconium Oxide, the hardest material on earth second only to diamond in hardness. The blade is sharper than steel and can achieve superior cutting performance for five years without the need for sharpening. [translate] ...
百度试题 结果1 题目3. As we all know, diamond(钻石) is the hardest and most precious stone on the earth. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
解析 1.The world’s Hardest Substance. 2.Not all diamonds are found in Africa. 3.black carbon 4.Nowadays, diamond is a symbol that not common people can have it. Only the rich can own it. 5.钻石是世界上最硬的天然物质。反馈 收藏 ...
diamond is the hardest known mineral. it is a high-symmetry allotrope of carbon (c). it has a mohs “scratch” hardness of 10, which makes it the hardest mineral. mohs hardness is a rough measure of the resistance of a smooth surface to scratching or abrasion, expressed in terms of ...
1.The world’s Hardest Substance. 2.Not all diamonds are found in Africa. 3.black carbon 4.Nowadays, diamond is a symbol that not common people can have it.Only the rich can own it. 5.钻石是世界上最硬的天然物质。 练习册系列答案 ...
Diamond, the hardest material nature 翻译结果5复制译文编辑译文朗读译文返回顶部 The diamond is the nature hardest material 相关内容 a学生学到许多课本上没有的知识,不仅扩大了视野,更激发了他们阅读的积极性 The student learns in many textbooks no knowledge, not only expanded the field of vision, stimul...
百度试题 结果1 题目11. The diamond is the hardest natural substance(物质) in the world. (钻石) 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
What is the hardest natural substance? A. Diamond B. Gold C. Silver D. Copper 相关知识点: 试题来源: 解析 A。钻石是最硬的天然物质。选项 A“Diamond”是钻石;选项 B“Gold”是金;选项 C“Silver”是银;选项 D“Copper”是铜。反馈 收藏 ...
aFuck Japan爱装逼的ese..You are bitch..The future is in cancer patients Fuck Japan loves ese which the attire compels. You are bitch. The future is in cancer patients[translate] aDiamond is the hardest natural substance which is known 金刚石是知道的最坚硬的自然物质[translate]...