Cytotoxicity of soluble and insoluble components of atmospheric fine particles;
大气细颗粒物水溶成分和非水溶成分的细胞毒性
To investigate fine particles (PM 2 5 )pollution and its imp act on the expression of inflammation cytokine IL-6.
为比较细颗粒物污染水平及研究其炎性损伤毒性 ,选取我国两个不同污染特征的城市太原与北京(燃煤污染 ,燃煤与汽车尾气混合污染 ) ,采用分级采样器收集两城市空气中细颗粒物样品 ,用重量法分析细颗粒物质量浓度 ,细颗粒物上的B(a)P用甲醇超声提取 ,Pb用硝酸和过氧化氢提取 ,比较分析了两城市细颗粒物污染水平 ;同时用ELISA及RT PCR法 ,以人肺泡上皮细胞 (A5 49)作为靶细胞 ,测定了细颗粒物对上皮细胞产生的炎性因子IL 6表达的影响。
Mathematical model of ultrafiltration of ultrafine particle emulsified suspension using ceramic membrane and a study of the technology of forming second membrane;
陶瓷超滤膜过滤含超细颗粒的乳化悬浮液的数学模型及二次成膜操作条件研究
The fundamental research of assistant fluidization using ultrafine particles,including fluidization behaviors under magnetic assistance,sound,and vibration were reviewed.
综述了外场作用下流化床流化超细颗粒的基础研究进展,着重介绍了磁场、声场和振动场对超细颗粒流化行为的影响,总结了磁场中颗粒的受力分析和理论模型;并对现有研究成果作了简要评述。
The ultrafine particle technique is affecting the application researches in industries and economy.
介绍颗粒的基本特性、表面改性技术 ,并阐述超细颗粒的制备方法及其应用。
Molybdenum trioxide ultra-fine particles are prepared by calcining ammonium molybdate coated with ethylenediamine.
以乙二胺为溶剂,并与仲钼酸铵发生反应,再经煅烧制备了50-200nm的MoO3超细颗粒。
Coagulation coefficient of bipolar charged ultra-fine particles in AC field was modeled, which was applied to Sectional algorithm to simulate the removal efficiency of the ultra-fine particles.
建立了异极性荷电颗粒在交变电场中的团聚系数模型,将其应用到Sectional算法中,模拟电场团聚作用对超细颗粒的脱除效果。
Flow behavior of gas/ultra-fine particles two-phase system was investigated by large eddy simulation for gas turbulence and direct simulation Monte Carlo for particles collisions.
单颗粒运动满足牛顿第二定律,颗粒相和气相相间作用的双向耦合由牛顿第三定律确定,考虑超细颗粒间的van der Waals作用力。
The experimental study and theoretical model of fine particles in vibrated fluidized bed(VFB)were summarized.
概括了细颗粒在振动流化床中的流态化实验研究和理论模型,着重介绍了振动场对细颗粒流化行为的影响,综述了振动场中粘性颗粒的运动,有利流化的振动参数以及聚团尺寸测量和计算的研究现状。
Pyrite flotation benefits from discharging fine particles.
介绍凡口矿的选硫历史 ,并从药剂制度、流程结构、给矿浓细度等方面探讨提高选硫指标的方法 ,认为活化剂硫酸和捕收剂黄药采用分步加药、提高入选搅拌时间、控制入选浓度、抛弃难选的细颗粒和使用适合凡口矿选硫的 6A浮选机等办法 ,可提高选硫的生产指标。
Hydrodynamics and particle attrition and entrainment measurements for the spouting of fine particles were carried out in a conical-based cylindrical bed of diameter 0.
在直径 186mm的喷动床中考察了细颗粒 (dp=0 2 41～ 0 874mm)体系的流体力学性质及夹带和磨损特性 。
Preparation of zinc oxalate fine particles by using an emulsion liquid membrane system;
乳化液膜法制备草酸锌微细颗粒
Asarone fine particles were prepared using the Rapid Expansion of Supercritical Solutions Method (RESS).
用快速膨胀超临界溶液 (RESS)法获得了α 细辛醚的微细颗粒。
Experimental research of hydrocyclone used for fine particle separation;
水力旋流器分离细颗粒的试验研究
Research on the fine particle diamond synthesis by dia 23 synthesizing cavity with Ni-Mn powder catalyst;
大腔体Ni-Mn粉末触媒细颗粒金刚石合成
Experimental study on promotion of fine particles capture with wetting agents;
润湿剂促进燃油细颗粒捕集的实验研究
Advances on the biological effect indices for fine particles (PM2.5) in air;
空气细颗粒物(PM2.5)生物效应指标研究进展
Effects of dust storm fine particles on the calcium level and lipid peroxidation of rat alveolar macrophages;
沙尘暴细颗粒物对大鼠肺泡巨噬细胞钙水平和脂质过氧化的影响