Numerically studies the concentration distribution of biological particle similar as SARS virus particle in HVAC system with return air.
采用数值计算方法，对带有回风的空调系统中类似SARS病毒颗粒的生物颗粒浓度的分布规律进行了模拟分析。
The effect of DO concentration and inlet COD concentration on the nitrogen removal efficiency in porous biological particle fluidized bed nitrification and denitrification(SND) is studied.
进水COD浓度及C/N值是影响系统反硝化效果的两个重要参数，为此研究了不同进水COD浓度在不同C/N值条件下的脱氮效果。
Most biological particulate filters remove particle sizes as small as 0.3 microns.
多数生物微粒过滤器可以除去0.3微米以上的微粒。
Particle electrophoretic mobility (PEM) changes are shown to correlate well with the amount of ligand fixed on the particles, as probed by its biological activity.
通过对配体生物活性的探测，发现粒子电泳迁移率(pem)的变化与固定在颗粒上的配体数量密切相关。
The study of cell biological character in the neoplastic transformation of immortalizational human fetal tracheal fibroblasts induced by alpha-particle irradiation.
粒子诱发人胎永生化气管成纤维细胞体外恶性转化细胞生物学特征研究。
Conclusion the modification and the quantitative methods for-SH groups on magnetic particle surface provide potential application for biological and medical areas in the near future.
结论功能化磁性微粒表面巯基的修饰及定量测定，为其在生物及医学领域的应用奠定了基础。
The device also has an onboard particle counter to maintain a low response to natural chemical and biological substances in the air.
该设备还具有一个板载粒子计数器同空气中的自然化学和生物物质保持低反应。
With proper parameters of particle size distribution, Mie phase function can characterize complex biological tissue.
合理选择集群散射体粒度分布参数，可实现对复杂生物组织散射相函数的精确描述。
The invention provides a compound biological membrane sewage treatment process and a system thereof. The process steps comprise that: (1) large-particle suspended matters in the sewage are removed;
一种复合生物膜污水处理工艺及其系统，工艺步骤包括：（1）去除污水中的大颗粒悬浮物；
The invention provides a compound biological membrane sewage treatment process and a system thereof. The process steps comprise that: (1) large-particle suspended matters in the sewage are removed;
一种复合生物膜污水处理工艺及其系统，工艺步骤包括：（1）去除污水中的大颗粒悬浮物；
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