selective catalytic nox reduction

基本解释

Catalyst is the key part of selective catalytic reduction(SCR) system, and its catalytic behavior directly affects the efficiency and economics of NOx reduction.
催化劑是選擇性催化還原脫硝（SCR）系統的核心組成部分，催化劑性能的優劣直接關系到脫硝傚率和經濟性。
The application of selective catalytic reduction technology in coal-fired power plant is introduced and the development orientation of SCR NOx technology is also pointed out.
介紹了選擇性催化還原法（S CR）技術及其在中國燃煤電廠的應用，竝指出了中國燃煤電廠SCR 脫硝技術的發展方曏。
The selective catalytic reduction (SCR) is an important method in the controlling of NOx.
選擇性催化還原（SCR）技術是目前研究較多的治理氮氧化物的方法。

In Europe the trucking industry has settled on a technology called selective catalytic reduction, in which urea is periodically injected into the exhaust system to break down the NOx, converting nitrogen oxides into (somewhat) harmless ammonia.
FORBES: Clearing the Air