“provisional tolerable daily intake”的概念、定义、翻译、参考文献-科学参考

单词	provisional tolerable daily intake
释义	provisional tolerable daily intake Encyclopedia 工学食品安全风险评估释 provisional tolerable daily intake; PTDI暂定最大日耐受摄入量人体在24小时内摄入某种物质（如食品污染物）而不产生可检测到的对健康的危害的量。
随便看	nonnegative definite matrix nonnegative definiteness nonnegative definite quadratic estimate non-negative definite quadratic estimator nonnegative divisor nonnegative element nonnegative function nonnegative integer nonnegative integral kernel nonnegative manifold nonnegative matrix non-negative matrix factorization nonnegative measure nonnegative number nonnegative operator nonnegative orthant nonnegative partial sum nonnegative quadratic form nonnegative semi-definite matrix nonnegative solution nonnegative splitting nonnegativity nonnegativity condition nonnegativity requirement non nesting matching

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