Chromium nickel stainless steel is usually non - magnetic in the annealed state, some of which are magnetic after cold working.
铬镍不锈钢在退火状况下通常是无磁性的，在冷加工之后，有的会有磁性的。
The status and characteristics of research on non-chromium passivation of aluminum and its alloys were reviewed in details. These research results will offer some help to researchers in this area.
综述了国内外铝及其合金的无铬钝化体系的研究状况及其特点，为铝和铝合金无铬钝化的研究提供参考。
In this paper, the intrinsic kinetics of CO shift reaction on NBC-1 type non-chromium iron-based catalysts at ambient pressure is studied by means of isothermal tube-type differential reactor.
本文采用等温管式微分反应器，研究了常压下在NBC - 1型铁系无铬催化剂上CO变换反应的本征动力学。
In this paper, the intrinsic kinetics of CO shift reaction on NBC-1 type non-chromium iron-based catalysts at ambient pressure is studied by means of isothermal tube-type differential reactor.
本文采用等温管式微分反应器，研究了常压下在NBC - 1型铁系无铬催化剂上CO变换反应的本征动力学。
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