颗粒物
- particulate matter;PM;TSP
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针对传统体分析技术难以开展定量研究的局限性,利用逐粒统计分析技术(即CCSEM技术)对矿物分布、转化行为以及颗粒物的形成机理进行了详细、定量揭示。
Due to the limitations of the conventional bulk analysis techniques , an advanced CCSEM technique is used to quantitatively investigate the heterogeneous distribution of minerals in coal , their transformation and PM formation .
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深入认识颗粒物的形成及燃烧源的特征对有效控制颗粒物的排放是很有帮助的。
It is helpful to deeply know the formation of PM and the characteristic of combustion resources for effectively controlling the PM emissions .
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细微大气颗粒物PM2.5)能增加饮食引起的胰岛素抵抗、脂肪炎症反应、内脏肥胖
PM2.5 exaggerates diet-induced insulin resistance , adipose inflammation , and visceral adiposity .
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他们采用了不同浓度的微尘(直径大于等于10微米的颗粒物,简称PM10)和柴油颗粒提取物(从车辆使用率高的地区天然提取)来模拟污染空气。
They used various concentrations of PM10-like fine dust and diesel5 particulate extract ( found naturally in areas with high use of vehicles ) .
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研究人员发现,PM10和柴油颗粒物的存在降低了促进头发生长的蛋白质——连环蛋白的水平,阻碍了形态发生
Researchers found the presence of PM10 and diesel particulate decreased levels of the protein responsible for hair growth – beta-catenin – and morphogenesis .
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瓦赫宁根大学的科学家正在研发一种可以一次自动训练多只蜜蜂的机器,然后这些蜜蜂就可以利用它们的技能来检测周围环境中是否有气溶胶(含有病毒的微小颗粒物)。
Wageningen scientists are working on a prototype of a machine that could automatically train multiple bees at once , then uses their skills to test for coronavirus aerosols ( tiny virus-laden particles ) in the surrounding environment .
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在马德里举行的欧洲皮肤病与性病学会年会上发表的这项新研究发现,污染空气中的颗粒物会影响头发生长,引起脱发。
New research presented at the European Academy of Dermatology and Venereology ( EADV ) Congress in Madrid found particulate2 matter ( PM ) – that is present in polluted air – could impact both hair growth and retention3 .
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颗粒物粒径对·OH生成影响的初步研究
Primary studies on the particle size effect of · OH production
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本课题以Visualc++为开发工具,设计开发识别大气悬浮颗粒物数字图像的软件,并予以实现。
A recognition software has been designed and implemented with Visual C + + as the tool .
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采用CO2超临界流体萃取大气颗粒物中有机化合物的研究
Supercritical Fluid CO _2 Extraction for the Research of Organic Compounds of Particles in the atmosphere
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甲醛在α-Al2O3颗粒物表面的非均相反应研究
Heterogeneous Reaction of Formaldehyde on Surface of α - Al_2O_3 Particles
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由悬浮平衡实验可知,在盐湖内U从悬浮颗粒物进入悬浮液的迁移能力一般。
Ability of uranium migrated from suspended particles to suspended liquid is normal .
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上海-南极中山站沿途表层海水悬浮颗粒物中的天然~(15)N
The δ ~ ( 15 ) N in SPM of Surface Seawaters Along Cruise Line From Shanghai to Zhongshan Station
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硝酸银沉淀-颗粒物返还法去除COD样品中的氯化物
Removing chloride in sample of COD with Silver Nitrate
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大气颗粒物PM(2.5)的消光特性研究
Research on Extinction Characteristics of PM_ ( 2.5 ) in Air Suspended Particles
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脱除工业烟道气中SOx和NOx的技术工业烟道固体颗粒物排放量自动监测方法
Technology for sulfur dioxides and nitrogen oxides removal from industrial flue-gas On-line Monitoring of Powdery Solids Emission from Industrial Stacks
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燃煤过程中元素Na和Fe在可吸入颗粒物中的形态与分布
Research on Morphology and Distribution of Na and Fe in Inhalable Particles , Formed During Combustion of Coal
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研究了BP神经网络用于大气中可吸入颗粒物(PM(10))及SO2、NO2预测的可行性。
The application of BP neural network to predict PM_ ~ 10 , SO_2 and NO_2 pollutions is researched .
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本文通过实验,得到过滤速度、克重、颗粒物尺度和纤维直径对过滤材料过滤性能的影响,结果表明,驻极体滤料过滤PM(10)性能具有高效、低阻的特点。
The experimentation result shows that electret filtration material has better purifying performance with high efficiency and low resistance .
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燃煤排放可吸入颗粒物(PM(10))中重金属元素分布与富集特征
Distribution and enrichment of heavy metal elements in inhalable particalate ( PM_ ( 10 )) caused by coal combustion
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加压溶剂萃取和在线检测可吸入固体颗粒物(PM(10))中16种多环芳烃
Determination of 16 Polycyclic Aromatic Hydrocarbons in Atmospheric Particulate Matters by On-line Micro-Pressurized Liquid Extraction Coupled with Capillary Gas Chromatography
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所谓大气细颗粒物(PM(2.5))是指空气动力学当量直径≤2.5μm的悬浮颗粒物。
The meaning of airborne fine particles ( PM_ ( 2.5 )) is particles with aerodynamic diameter less than 2.5 μ m.
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颗粒物高温处理后PCP在东湖底质颗粒物上的吸附量减小。
The adsorption capacity decreased after the particulate matter was dealed with high temperature .
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非颗粒物区的Si元素含量为21.04%,明显低于颗粒物区,但K元素含量则明显高于颗粒物区。
The Si content in non-granular region is obviously lower ( only 21.04 % ) than that of granular region . However , the K content is higher .
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同时用该仪器对白炭黑粉末中的重金属元素Hg、As、Pb进行检测,以此来模拟微米级大气颗粒物中有害重金属元素的分析。
And then tested Hg , As , Pb in silica powder , in order to simulate the heavy metals analysis in atmospheric particles .
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不同粒径大气颗粒物中有机碳(OC)和元素碳(EC)的分布
Study on the Size Distribution of Organic Carbon ( OC ) and Elemental Carbon ( EC ) in the Aerosol
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南宁市大气颗粒物PM(l0)、PM(2.5)污染水平
Pollution Levels of the Airborne Particulate Matter ( PM_ ( 10 ), PM_ ( 2.5 )) in Nanning City
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颗粒物标准样品分析的PIXE方法
A PIXE method for analyzing the standard samples of particulates
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结果表明,大气颗粒物、SO2及NO2对降水的酸度有不同影响。
Results show that air particulates , SO 2 , and NO 2 had different effects on acidity of rain .
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减少SO2排放,减少含硫颗粒物,对于控制北京市的大气颗粒物浓度水平具有重要意义。
It is important for aerosol pollution control in Beijing to reduce the SO_ ( 2 ) emission , therefore , less S-containing particles .