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- hydrogen emission region 氢发射区
- FBA have a fixed absorption and emission region in which both have their maximum energy wavelengths. 得出:荧光物质本身具有固定的光吸收区和荧光发射区,并有固定的最大激发波长和最大发射波长;
- This narrow band image adopts a typical false-color mapping of the atomic emission, showing hydrogen emission in green hues, sulfur as red and oxygen as blue. 这张窄波影像收集了典型的原子能发射的假色影像，其中氢元素放射出绿光，硫元素放射出红光以及氧元素放射出蓝光。
- A magnificent emission region, the Orion Nebula (aka M42) lies at the upper right of the picture. 这壮观的发射区域内，猎户座星云（也被称为M42）位于图片的右上角。
- The bright red emission region, roughly separated into three parts by obscuring, dark dust lanes, lends the Trifid its popular name. 明亮的红色发射线区被大致分成边界不清的三部分，从而有了它的大众所知的名字----三叶星云。
- This particular galaxy is described as Seyfert 1 galaxy, which typically have bright centres emitting a broad range of hydrogen emission but narrow emission lines of heavier elements such as iron. 这个特别的星系归类于塞弗特1型星系，这是由于它拥有一个向四周大范围辐射氢元素的明亮核心，但奇怪的是，它还拥有数条狭窄的重元素发射带，例如铁元素。
- atomic hydrogen emission spectrum 氢原子发射光谱
- Low ionization nuclear emission region, LINER; 低电离星系核;
- Atomic Hydrogen Emission Line and the High Quality Diamond Film 氢原子谱线与高质量金刚石薄膜
- Water contains hydrogen and oxygen. 水含有氢和氧。
- The emission of visible light by a hot object. 白热光物体遇热发出可见光
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- The earthquake may cause a region to fall in. 地震可以使一个地区下陷。
- Mathematic Model of Standard Molar Enthalpy for Hydrogen Emission Reaction in Hydrogen Storage Alloy 贮氢合金放氢反应标准摩尔焓的数学模型
- Storms spring up easily in this region. 这个地区很容易发生风暴。
- Atomic Hydrogen Emission Line and the Optimum Experimental Condition for Diamond Film Deposited by EACVD 电子辅助热丝化学气相沉积金刚石薄膜中氢原子谱线与最佳成膜条件
- He is earning a salary in the region of25,000. 他当时的薪金在25,000英镑左右。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- A storm that cut off power to the whole region. 切断了整个地区电力供应的暴风雨
