solvent的中文用法及示例

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双语用例

  • In the chapter on preparation methods there is due acknowledgement to the hazards of using acids and solvents but this should have gone further.

  • All procedures were performed under dim light in a cold room, using chilled solvents and amber vials.

  • The final concentration of the solvents was less than 0.1% (v/v).

  • The synthesis of other artificial salts bore more resemblance to the extraction of vegetable materials by means of solvents.

  • Therefore, no toxicity due to residues of solvents in the final extracts was expected.

  • The soluble fraction of the organic matter in carbonaceous chondrites can be obtained by extracting powdered meteorite samples with solvents of varying polarity.

  • Cleaning with a variety of organic solvents and degassing is also required to minimize the organic load of the spacecraft and sample path hardware.

  • In addition, we look at the chemical complexity of the extract which results from different solvents.

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European

2021年8月16日

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Shimmer

2021年8月16日

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