质量不灭定律 law of conservation of mass
痛灭定 Tolmetin
物质不灭定律 law of indestructibility of matter ; law of conservation of matter ; Law of Conservation of Mass
能量不灭定律 [物] law of conservation of energy
质能不灭定律 law of conservation of mass-energy
消灭定理 vanishing theorem
灭草定 [农药] oxydiazol ; [农药] Methazole
固定式灭火系统 [安全] Fixed extinguishing system ; fixed fire extinguishing system ; fixed fire suppression system ; Fixed fire fighting systems
灭定业真言 Ksitigarbha
地藏王菩萨灭定业真言 The Mantra of Ksitigarbha Bodhisattva
物理猝灭速度常数和总猝灭速度常数愈大，在一定范围内，品红甲亚胺染料的防褪色效果愈好。
To certain degree, the larger the physical and total quenching rate constants, the better the anti-fading effect of magenta azomethine dye.
有机干扰物对聚维酮碘灭活病毒的效果有一定的影响。
The organic interfering substance had certain influence on the efficacy of povidone iodine in inactivating virus.
利用X射线对气体分子的电离作用，在一定电压下用一束X射线照射真空灭弧室，使灭弧室内产生电离电流。
The remainder molecules in the vacuum tube will be ionized by X-ray irradiation, the ionization current can be detected at a constant DC voltage.
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