查询词典 emission control

Fed Federal：联邦的

EvEDV evaporative emission data vehicle 蒸汽排放数据机动车 | Fed Federal 联邦的 | FEL family emission limit 族排放限值

positron emission：正电子发射

positron electron annihilation 正负电子湮没 | positron emission 正电子发射 | positron emission conditions 正电子发射条件

secondary emission rate：二次发射率

secondary emission characteristic 二次放射特性 | secondary emission rate 二次发射率 | secondary ion mass spectrometry 次级离子质谱分析法

secondary emission rate：二次放射率,次级放射率

"secondary emission photocell ","二次放射光电管" | "secondary emission rate ","二次放射率,次级放射率" | "secondary energy ","二次电能"

secondary emission rate：二次发射率、次级发射率

secondary emission characteristic 二次放射特性 | secondary emission rate 二次发射率、次级发射率 | secondary ion mass spectrometry 次级离子质谱分析法

secondary emission characteristic：二次放射特性

secondary electron yield 二次电子发射系数 | secondary emission characteristic 二次放射特性 | secondary emission rate 二次发射率

secondary emission ratio：二次发射比

secondary emission multiplier 电子倍增管 | secondary emission ratio 二次发射比 | secondary extinction 二次衰减;次级消光

secondary emission ratio：二次放射比

"二次放射","secondary emission" | "二次放射比","secondary emission ratio" | "次要入口点","secondary entry point"

emission spectra：放射谱

"放射率","Emission rate" | "放射谱","Emission spectra" | "射极","Emitter"

spontaneous emission：自发放射

一个光子与半导体内电子的交互作用,可分为吸收、自发放射(spontaneous emission)及受激放射(stimulated emission). 在半导体材料内,通常有二个能带,即导带(边缘能阶为Ec)及价带(边缘能阶为Ev),其间之能差谓之能隙(Eg=Ec-Ev). 当半导体被光照射,

amidogen ether：胺醚

amido black 酰胺黑 | amidogen ether 胺醚 | amidopyrine and phenacetin compound tablet 去痛片

line-firing：横队射击

mix cooler 冰淇淋混合料冷冻器 | line-firing 横队射击 | open space 露天场所 空地(特指城市中没有建筑物的空地)