L the outer layers of space suit protect against harmful radiation from the Sun and bullet-fast particles of space dust called micrometeoroids.
宇航服的外层能够防御太阳辐射和高速微流星体造成的伤害。微流星体是指太空中的微小尘粒。
L Glowing nebulae are named because they give off a dim, red light, as the hydrogen gas in them is heated by radiation from nearby stars.
l有一种星云叫亮星云，它们发出暗淡的红光，这种红光是因为构成星云的氢气受到附近星体的射线激发而发出的光线。
L The clear, plastic helmet also protects against radiation and micrometeoroids.
宇航服的透明头盔，也能够抵御射线和高速太空微粒。
Polygonum lapathifolium L; manganese; accumulation; synchrotron radiation; representation.
酸模叶蓼；锰；富集；同步辐射； 表征。
Genetic model for Additive Dominant and statistical analytic methods were used to analyze the inheritance of the resistance to enhanced UV B radiation in rice (Oryza sativa L.)
采用加性-显性遗传模型和统计分析方法，分析了水稻对UV -B辐射增强的抗性遗传特点。
The radiation at L band has a good linear relation with the bright temperature.
波段微波辐射值和根据辐射理论计算出的亮温值具有很好的线性关系。
The positron annihilation lifetime spectrum(PALS) method was employed to study the effect of proton radiation on microstructure of the space grade KH-L-Y polysilicone rubber.
用正电子淹没寿命谱方法（PAL S）研究了质子辐照对空间级硅橡胶KH- L - Y微观结构的影响。
Perhaps most importantly, CD19-L killed even those leukemia cells that were highly resistant to both standard chemotherapy drugs as well as radiation.
最重要的可能是：CD 19 - L甚至杀灭了那些对标准化疗药物以及射线极具抵抗力的白血病细胞。
L Yin; Wang Fan; Wang Hongyan; et al(Dept of Radiation Oncology; The First Affiliated Hospital of Anhui Medical University; Hefei 230022);
安徽医科大学第一附属医院肿瘤放疗科；
L Yin; Wang Fan; Wang Hongyan; et al(Dept of Radiation Oncology; The First Affiliated Hospital of Anhui Medical University; Hefei 230022);
安徽医科大学第一附属医院肿瘤放疗科；
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