对多层均匀介质板,正、反两方向上的正入射复透射系数相同。
To multilayer acoustical panel, the complex transmission coefficients of multilayer both forward and backward incidences are definitely the same.
复极点的实部是不稳定局域模的能量,虚部是它寿命的倒数,自然地得到了寿命为正的限制。
The real part of the complex pole is the energy of an unstable localized mode, and the reciprocal of the imaginary part is its life-time. Naturally the life-time is positive.
包括缺角、胚饼用错、正背面复打及模具锉痕等。
Errors include edge clips, COINS struck on foreign planchet, flip over double strikes, and filled dies etc.
结果表明该体系同传统的正、负离子表面活性荆复配体系相似,在一定的混合比范围内出现了液晶区和双水相区。
Results show that just as the conventional anionic and cationic aqueous solutions, present system can form liquid crystal and aqueous two-phase system (ATPS) under certain mixing ratio.
指出钼酸盐与正磷酸盐的复配具有明显的协同效应而与锌盐之间不存在协同关系。
It was shown that the inhibition effect of molybdate increased with the addition of phosphate, but could not increase with the addition of zinc sulfate.
指出钼酸盐与正磷酸盐的复配具有明显的协同效应而与锌盐之间不存在协同关系。
It was shown that the inhibition effect of molybdate increased with the addition of phosphate, but could not increase with the addition of zinc sulfate.
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