precipitations

英 [prɪˌsɪpɪˈteɪʃənz]

美 [prɪˌsɪpɪˈteɪʃənz]

n.  降水，降水量(包括雨、雪、冰等); 沉淀; 淀析
precipitation的复数

化学

双语例句

• The theoretical frequency distribution of the annual and monthly precipitations in Shanxi Province
  陕西省年、月降水量的理论频数分布
• Both the annual area-averaged precipitations have good correlations with global mean sea surface temperature.
  这两个地区的平均降水量都与全球海表温度距平有很好的相关性。
• After the change of temperature, precipitations content are reduce and evenly distribute.
  温度场改变后，铸锭中析出相含量明显减少且分布均匀。
• TEM analysis indicated that the size and amount of precipitations in wire rod with different nitrogen contents had some differences, and most of the precipitations were located at austenite grain boundaries and dislocation lines.
  通过透射电镜观察可知，含氮量不同的两种盘条其析出物的尺寸及数量不同，但两种盘条的析出物位置大都位于原奥氏体晶界和位错线上。
• XPS Study of Cu precipitations at the surface of crystalline Cu-Zr alloys after annealing in hydrogen
  Cu-Zr合金在氢气氛中退火后表面Cu沉积物的光电子能谱研究
• The dynamic variations of groundwater level are subject to cyclic variation of precipitations.
  当地降水量的多年周期性变化决定了地下水位的多年动态。
• The yearly variations of seasonal precipitations in winter and spring were quite consistent with each other.
  冬春季降水量的逐年变化存在显著的同相关系。
• The microstructural characteristics of main precipitations and the interactions among the various precipitate species in 2090 aluminium-lithium alloys aged 190 ℃ have been examined using transmission electron microscopy.
  本文利用透射电镜技术（TEM），对190℃时效条件下，2090铝锂合金中主要脱溶相的组织特征以及相间的交互作用进行了分析研究。
• Based on the raindrop spectrum data of different type precipitation over plateau border, this paper analysed the frequency, the duration of rainfall and the structure of the precipitations cell.
  本文根据高原边缘山地各种类型降水的雨滴谱资料，分析了山地降水出现的频数、降水持续时间和降水云的单体结构。
• It is manifested that in single pass weld metal there are no copper precipitations, but in heat affected zone there are some ε-Cu precipitations and the distribution and size of the precipitations are not uniform.
  研究结果显示，单道焊焊缝金属中铜难以析出，在多道焊道间热影响区有εCu析出颗粒的存在，但析出颗粒尺寸与分布存在不均匀性。