大家在查： convergent adaptation Spring and Autumn Annals facing the wind resume growth Mount Heng Songhua River latent heat of fusion radiational cooling supercooled water desublimation

Negative air ion

网络空气负离子

Negative air ion

Negative air ion

Negative air ion

空气负离子

句子翻译_专业词汇在线翻译 ... 空气负离子 air anion 空气负离子 negative air ion 空气夹层结构 air-interlayer structure ...

1

Assessment of air cleanness degree in Beijing using negative air ion concentration as an index

用空气负离子浓度对北京地区空气清洁度进行初步评价

2

Methodological Study on Measurement of Negative Air Ion

空气负离子剂量测量方法的探讨

3

Study on the Contribution of Winter-season Crops to Negative Air Ion

冬季田间农作物对环境空气负离子浓度影响的研究

4

Spatio-temporal changes of negative air ion concentrations in Beijing

北京地区空气负离子浓度时空变化特征的研究

5

Fixing and Negative Air Ion Effect on Silk by Sol-Gel Process

溶胶凝胶法对真丝绸的固色及负离子效应

热词推荐

大家在看