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But experts say non-communicable diseases -- those that do not spread from person to person -- are the leading killer today.

VOA: special.2011.05.11

There's not actually chemical covalent bonds that are formed but it's a non-covalent interaction, usually dominated by hydrogen bonding.

所以配体和受体之间不生成共价键,这是一种非共价化合反应,它们通常以氢键相联

耶鲁公开课 - 生物医学工程探索课程节选

You might have thought before we started talking about molecular orbital theory that non-bonding was the opposite of bonding, it's not, anti-bonding is the opposite of bonding, and anti-bonding is not non-bonding.

你也许在我们讨论分子轨道之前,就想过非成键时成键的反面，它不是，反键才是成键的反面，反键不是非成键。

麻省理工公开课 - 化学原理课程节选

Only about 2% of them are malignant, but non-malignant does not mean non-dangerous.

ECONOMIST: Confirmation that dental X-rays can be bad for you

If the custodial parent does not provide the non-custodial parent with Form 8332 or its equivalent, the non-custodial parent is not entitled to the dependency exemption, regardless of what the probate court says.

FORBES: State Court Can Order Custodial Parent To Release Exemption

Governments are yielding influence to non-governments, by which Peres means not just the conventional non-governmental and multinational organizations, but also global corporations, which, he says, see no borders and carry no baggage of prejudice or class.

FORBES: Wanted: Next Generation Composer