... nozzle outlet air suppluy喷口送风 number concentration计数浓度 number of degree-day of heating period采暖期度日数 ...
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particle number concentration 计数浓度 ; 颗粒数量浓度
molecule number concentration 分子数浓度
number concentration particle number concentration 计数浓度
Maximum Particle Number Concentration 最大粒子数浓度
number concentration distribution 数密度谱
particle e number concentration 计数浓度
During the measurement, new particle formation events have been observed at 122 days, 39% of 315 effective measured days, with nucleation mode particle number concentration increasing sharply.
通过对3nm～10μm颗粒物数浓度的资料分析,观察到在上甸子大气中有时候核模态颗粒物数浓度急剧增高,即新粒子形成事件。
参考来源 - 北京上甸子地区气溶胶数谱观测与研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Water contents of stratiform cloud vary greatly, and have close positive relationship with particle number concentration.
云中含水量在水平方向上的变化大，且与粒子数浓度存在正相关。
Sea salts can enhance cloud drops number concentration under the case of large updrafts and decrease under the case of low updrafts.
而海盐粒子的存在，加剧了水汽的供应不足，从而可以在很大程度上进一步降低云滴数目。
Besides, the influences of sound pressure level, residence time and initial total number concentration on agglomeration were investigated.
同时，研究了声压级、停留时间和气溶胶初始浓度等参数对声波团聚的影响。
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