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- This essay demonstrates the main points of the Spiral Theory and analyzes the relationships between structure and rotation of optically active as well as non-optically active organic compounds. 简要阐述了螺旋理论的要点,并从螺旋理论的观点出发,分析了光学活性有机化合物和非光学活性有机化合物的结构与旋光方向的关系。
- 1902 Ekman established the wind spiral theory in the friction layer. 1902年,爱克曼创立了摩擦层中风标螺线,利用风标螺线,可以测定摩擦层中的湍流系数。
- He tried in every way to verify this theory. 他想一切办法来验证这个理论。
- Military budget continue to spiral. 军费预算继续上升。
- I entirely approve of that theory. 我完全赞成那种理论。
- Military budgets continued to spiral. 军事预算继续急遽增加。
- Einstein put forward his new theory of relativity. 爱因斯坦提出了相对论的新学说。
- A snail's shell is spiral in form. 蜗牛壳是螺旋形的。
- This concept is at the very core of her theory. 这个概念是她理论的核心。
- Einstein's theory of relativity. 爱因斯坦的相对论。
- Practical experience belies this theory. 实际经验证明这个理论是错误的。
- Her theory was quoted without an acknowledgement. 她的理论被人引用而未向她致谢。
- Keywords the spiral theory;optical rotation;form and picture;optically active molecule;non-optically active molecule; 螺旋理论;旋光性;构型和构象;光学活性分子;非光学活性分子;
- Einstein's theory marked a new epoch in physics. 爱因斯坦理论开创了物理学的新纪元。
- A large spiral brass tuba that fits around the player's shoulder. 海力空大号,圈形大号由演奏者掮在其肩上吹奏的大型螺旋状铜号
- For several years his theory held the field. 几年来他的理论一直保持着权威地位。
- Could you elaborate on this theory? 请你阐述这一理论,行吗?
- Do you agree to the wave theory of light? 你同意光的波动理论吗?
- A circular or spiral motion, especially a circular ocean current. 游涡一种圆形或螺旋形的运动,特别是做圆环运动的海水水流
- Only in 1687 did he at last publish his new theory. 终于在一六八七年他发表了他的新理论。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries