Cn

¹

Symbol, Chemistry, Physics.

1. copernicium.

CN

²

1. chloroacetophenone.

C/N

³

1. circular note.

2. credit note.

cn

¹

abbreviation

1. China

C/N

²

abbreviation

1. credit note

Cn

1. The symbol for copernicium.

Example Sentences

Phytoplankton stoichiometry defines the relative proportions of different elements such as C, N, and P in these organisms.

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In the 1930s, the American oceanographer Alfred C. Redfield made an important discovery: he found that the concentrations of the elements C, N, and P in the marine phytoplankton roughly follow a fixed ratio of approximately 106:16:1 -- the ratio now named after him, the Redfield ratio.

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The study, now published in the journal Science Advances, emphasizes the importance of variable C:N:P ratios of phytoplankton for regulating dissolved oceanic nutrient ratios on a global scale and highlights marine oxygen levels as a critical regulator in the Earth system.

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To investigate these relationships, the authors used a computer model of algal physiology coupled to an Earth system model, wherein phytoplankton dynamically optimize their C:N:P ratios in response to varying environmental conditions.

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President Joe Biden, Treasury Secretary Janet Yellen and Citigroup Inc. C.N Chief Executive Jane Fraser have all made statements in recent days to reassure the public that the U.S. banking system is safe.

Read more on Reuters