isotopic

US

・

UK

A1 初級

adj.形容詞同位素的

影片字幕

古生物學者だけど「化石」について質問ある？ (古生物学者だけど「化石」について質問ある？| Tech Support | WIRED Japan)

27:52

古生物學者だけど「化石」について質問ある？ (古生物学者だけど「化石」について質問ある？| Tech Support | WIRED Japan)

We can also look at the isotopic signatures of teeth and bones.
我們還可以查看牙齒和骨骼的同位素特徵。

星形材料和納米鑽石 (Starstuff and Nanodiamonds)

06:40

星形材料和納米鑽石 (Starstuff and Nanodiamonds)

Their isotopic composition is highly anomalous, very different than anything in the Solar System.
它們的同位素相當異常，跟太陽系裡其他的任何東西都不一樣。

化學203.有機光譜學。講座05。同位素的品質、丰度和質譜法。 (Chem 203. Organic Spectroscopy. Lecture 05. Isotopic Masses, Abundances, and Mass Spectrometry)

52:23

化學203.有機光譜學。講座05。同位素的品質、丰度和質譜法。 (Chem 203. Organic Spectroscopy. Lecture 05. Isotopic Masses, Abundances, and Mass Spectrometry)

化學203.有機光譜學。第07講。NMR光譜學介紹，第1部分。 (Chem 203. Organic Spectroscopy. Lecture 07. Introduction to NMR Spectroscopy, Part 1)

52:26

化學203.有機光譜學。第07講。NMR光譜學介紹，第1部分。 (Chem 203. Organic Spectroscopy. Lecture 07. Introduction to NMR Spectroscopy, Part 1)

化學203.有機光譜學。第15講.涉及其他原子核的偶合 (Chem 203. Organic Spectroscopy. Lecture 15. Coupling Involving Other Nuclei)

55:07

化學203.有機光譜學。第15講.涉及其他原子核的偶合 (Chem 203. Organic Spectroscopy. Lecture 15. Coupling Involving Other Nuclei)

瑪雅文明的起源。Ceibal的新見解 (The Origins of Maya Civilization: New Insights from Ceibal)

15:59

瑪雅文明的起源。Ceibal的新見解 (The Origins of Maya Civilization: New Insights from Ceibal)

檳榔座可能會爆炸（在未來15萬年內）--60個符號。 (Betelgeuse might explode (in the next 150,000 years) - Sixty Symbols)

15:51

檳榔座可能會爆炸（在未來15萬年內）--60個符號。 (Betelgeuse might explode (in the next 150,000 years) - Sixty Symbols)

Neutrinos from beater processes in a pre supernova probing the isotopic evolution of a massive star.

31.《核醫學前沿》，《電離輻射的來源》(背景和其他來源) (31. Frontiers in Nuclear Medicine, Where One Finds Ionizing Radiation (Background and Other Sources))

51:40

31.《核醫學前沿》，《電離輻射的來源》(背景和其他來源) (31. Frontiers in Nuclear Medicine, Where One Finds Ionizing Radiation (Background and Other Sources))

to be some constant isotopic fraction of tritium in all

19.光子和離子核相互作用的用途 -- -- 表徵技術。 (19. Uses of Photon and Ion Nuclear Interactions — Characterization Techniques)

47:16

19.光子和離子核相互作用的用途 -- -- 表徵技術。 (19. Uses of Photon and Ion Nuclear Interactions — Characterization Techniques)

can figure out and make an isotopic map of a material

34.活性氧物質4和核苷酸代謝1。 (34. Reactive Oxygen Species 4 & Nucleotide Metabolism 1)

49:24

34.活性氧物質4和核苷酸代謝1。 (34. Reactive Oxygen Species 4 & Nucleotide Metabolism 1)