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

• A study on Impacts of different radiative transfer schemes on Mesoscale precipitations
  不同辐射传输方案对中尺度降水影响的对比分析
• 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。
• 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。
• Climate change of annual precipitations in western China
  中国西部年降水量的气候变化
• 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
• The interdecadal variation of summer precipitations in China and the drought trend in North China
  我国夏季降水的年代际变化及华北干旱化趋势
• 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。
• 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。
• Meanwhile, no segregation of S, P, C trace elements occurs in grain boundary, but a Ni-depletive and Cr, Mo-rich region is formed. These indicate that the grain boundary composition change impairs the effect of the grain boundary precipitations on hydrogen embrittlement.
  晶界上未发现S、P等痕量元素的偏聚，却产生了富Cr、Mo而贫Ni层，这表明晶界成分的变化减弱了晶界析出物对氢脆的影响。
• 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