New Active Substance

Views Updated: Dec 15, 2025

Key Facts

Abbreviation
NAS
Pronunciation
/nu ˈæktɪv ˈsəbstəns/
Category
Governmental
Related Field
FDA

Examples in Context

  1. Applied studies on trace element in looking for new active substance
  2. In this paper we try to explore a new mode of active substance screening and quality evaluation under the guidance of TCM theory.
  3. In this paper we have done some researches as follow : Firstly, a new method was proposed to determine the content of active substance in waste batteries.
  4. We bring forward a new irreversible surface reaction model namely random distribution model of surface active sites, hi which concepts of active sites ( surface ), inactive sites ( subsurface ) and active substance etc are proposed.
  5. PAN-ACF is a new type material with multi-hole of active carbon fibre. The unique physical and chemical characteristics of its surface enable it absorb organic and inorganic matter of gas-phase and liquid-phase greatly, especially for the absorption of substance containing nitrogen and sulfur.

Other meanings of NAS