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
双语例句
- By analyzing and calculating the effective precipitations, irrigation water yield and utilization ratio, and crop output during the growing period of wheat and corn, the writer expounds how to make full use of effective precipitations to make an appropriate irrigation and improve its benefits.
通过对小麦和玉米生长期间的有效降雨量及灌溉水量、灌溉利用系数、灌溉水量及作物产量的关系分析计算，阐明了有效降雨量，充分利用有效降雨量合理进行灌溉，提高灌溉效益的方法。 - With aging time elongating to 48h, the ternary precipitations enrich and grow.
合金的时效时间进一步延长至48h时，合金析出的三元相发生聚集长大。 - When it is at a low rolling temperature, the grains of precipitations will be finer.
轧制温度低时，析出相更加均匀细小。 - The groundwater in Hebei plain is recharged from the precipitations.
河北平原地下水主要是由大气降水补给的； - 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。 - 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。 - The changes of precipitations were not obvious with reducing precipitations in autumn.
降水量的变化不明显，但秋季降水有减少的趋势。 - 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。 - Because of the different nature of precipitations, rain band shape of two process were different too.
由于降水性质的不同，两次过程中雨带的形状和移动各有特点。 - 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。