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fine mode
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  “fine mode”译为未确定词的双语例句
     In this case, the promotion of the competitiveness is the key to winning the market in enterprises, the foundation of supporting enterprise's strong competitiveness is the mode of production , the fine mode of production is the basic prerequisite that enterprises survive and develop.
     在这种情况下,竞争力的提升是企业赢得市场的关键,而支撑企业强大竞争力的基础则是生产方式,优良的生产方式是企业生存和发展的根本前提。 中国家具企业要发展,要实现增加价值这一最终目标,必须顺应时代的发展,改善其生产方式,使之能更快地响应顾客的需求。
短句来源
     The particles are classified into coarse (d > 1μp) and fine (1 μm ≥ d > 0. 1 μm) modes according to their diameters. It is found that nitrate existed inboth coarse and fine particles. In the fine mode, there were a lot of pure nitrate particles.
     粒子按粒径分为粗粒子(d>1μm)和细粒子(1μm≥d>0.1μm),结果表明:粗粒子和细粒子中都有含硝酸盐的粒子,而且发现了许多纯硝酸盐细粒子。
短句来源
     The results showed that the concentrations of particulate matter, dominated in fine mode, was much higher in winter.
     结果表明,南京市大气颗粒物含量冬季高于夏季,细颗粒高于粗颗粒。
短句来源
     According to the observation data of 1983,the element concentrations,elemental distribution and possible sources of atmospheric distributions of the elements such as Ca,Ti,S,Cu and Pb do not change much,while the size distributions of As、Se、Br have changed to be three peak values modle due to road dust,Al,V,K and Mn have changed to be fine mode due to anthropogenic sources.
     结果表明,在测到的大气颗粒物中,20种元素的质量浓度主要是由Al、Si、Ca、Fe、S五种元素贡献的,且粗粒子占优势. 与历史资料对比,Ca、Ti、S、Cu、Pb等元素谱分布图变化不明显,表明来源变化不大;
短句来源
     Volume mean radius of fine mode increases with aerosol optical depth in urban regions, but the increasing magnitude is stronger and more significantly in developed countries (ranging from 0.036 in Kanpur to 0.146 in Lille), as a result, the value of this variable in developing countries during high aerosol loading is a little less than that in developed countries.
     细粒子模态平均半径均随气溶胶浓度上升而增加,但发展中国家在增加幅度上明显小于发达国家,如印度Kanpur仅为0.036,而法国Lille高达0.146.气溶胶浓度较高时,发展中国家细粒子模态平均半径均小于发达国家.
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  fine mode
Each gyro may be operated in either coarse or fine mode.
      
The concentrations of Si, Al, Fe, and Ti contained in coarse mode aerosol were several times higher in dew-water than those in rain-water, while the concentrations of V and Pb contained in fine mode aerosol were about the same level to each other.
      
A clear correlation was also observed with the fine mode biomass burning aerosol and coarse mode soil dust.
      
Most of the mass of crustal elements was concentrated in the coarse mode while the mass of the heavy metals was concentrated in the fine mode.
      
Elevated concentrations in the fine mode were detectedat both sites during the sea-breeze days.
      
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Aerosol sampling was carried out at a city center site and a suburb site in Beijing in January 1983. PIXE compatible cascade impacitons were employed. The samples were analysed for 20 elements by PIXE in Fudan University. It has been found that most of the elements have a bi-mode size distribution with a gradual progression from mainly coarse Ca, Ti, and A1 to mainly fine mode Zn, As and Pb. Elements 01, K, S, and Si show most obvious bi-mode, of which Si and S are particularly interesting. The concentrations...

Aerosol sampling was carried out at a city center site and a suburb site in Beijing in January 1983. PIXE compatible cascade impacitons were employed. The samples were analysed for 20 elements by PIXE in Fudan University. It has been found that most of the elements have a bi-mode size distribution with a gradual progression from mainly coarse Ca, Ti, and A1 to mainly fine mode Zn, As and Pb. Elements 01, K, S, and Si show most obvious bi-mode, of which Si and S are particularly interesting. The concentrations of coarse mode aerosol at the city center site are abo-ut 1.4 times as large as that at the suburb site for most of the elements, while the concentrations of fine mode aerosol at the city center site differ greatly from that at the suburb site and vary sig-nificantly among elements, indicating some industrial sources. The enrichment factors of elements indicate that the coal smoke has a large scale influence in North China.

1983年1月分别在市中心生活区和市郊气象塔处进行了为期10天的气溶胶采样,获得26组分级采样样品,样品用PIXE方法进行了分析,得到了20种元素的浓度及其谱分布.发现大多数元素的谱分布都是双模的,但细粒和粗粒气溶胶分量的相对强度各不相同.Ca,Al和Ti等元素以粗粒态为主;Zn,As和Pb等以细粒态为主;Cl,K,S,Si等二种分量相当.其中S和Si的谱分布与过去文献中的报道有很大区别,表明它们来源的复杂性.粗粒态气溶胶中除个别元素外,城区浓度大约是市郊浓度的1.4倍,而细粒气溶胶各元素浓度城区与郊区差别较大,反映出城区的一些特定污染源.元素的富集因子表明,燃煤烟尘不仅污染城市大气,而且已使大范围大气受到影响.

The sovent-extractable organic matter (lipids) of eight airborne dust samples at different heights, which were collected at the meteorological tower of Beijing, in the city of Shuicheng and on the outskirts of Guangzhou, using a standard volume air sample, were investigated to determine the distributions of homologous com pounds and molecular markers. All of collected sample filters were ultrasonically extracted in organic solvents. The extracts were esterified and then separated by TLC. Compound molecular structure...

The sovent-extractable organic matter (lipids) of eight airborne dust samples at different heights, which were collected at the meteorological tower of Beijing, in the city of Shuicheng and on the outskirts of Guangzhou, using a standard volume air sample, were investigated to determine the distributions of homologous com pounds and molecular markers. All of collected sample filters were ultrasonically extracted in organic solvents. The extracts were esterified and then separated by TLC. Compound molecular structure of the fractions were characterized by GC- MS. These preliminary results show that all samples contain n-alkanes. n-fatty acids, steranes, triterpanes, PAH and so on, derived from both biogenic sources (vascular plant wax and microbial lipids input) and fossil fuel contamination (coal, crude oil, etc.) Some apparent fractionatinon phenomena of lipids in dusts were observed in samlpes from different heights above ground. The upper is the height of dusts, the less is the lipid yield of particles. PAH compounds are mainly present in fine mode particles. The concentrations of PAH , triterpane and sterane will decrease as the sampling height inceasing. Dusts in the upper atmosphere has significantly lower concentrations of anthropogenic and microbial components. The analytical results also indicate that upper airborne dust transport over longer distances.

低对流层中不同高度大气尘埃的类脂质往往有不同的来源。本文共研究了采自北京325m高气象塔和广州等地在不同垂直高度上的8个大气尘埃样品。用有机溶剂对尘埃样品进行超声抽提,抽提物经硅胶薄层色谱分离和色谱-质谱法分析。结果表明。这些尘埃样品的类脂质主要由正烷烃、正脂肪酸、三萜烷、甾烷和多环芳烃等化合物组成。这些类脂质一般都来自天然生物成因、人为成因和地质成因源,采样高度不同将影响各种输入源有机质的掺和比例。随着采样高度增加,类脂质产率、总烃和脂肪酸产率均下降,尖埃样品中化石燃料残余物和微生物组分减少。有迹象表明在高层大气中输入了长距离搬运的有机质。

The chemical thin film test and X-ray energy dispersive technique were applied to analyzeindividual nitrate-containing particles collected in Beijing. The particles are classified into coarse (d > 1μp) and fine (1 μm ≥ d > 0. 1 μm) modes according to their diameters. It is found that nitrate existed inboth coarse and fine particles. In the fine mode, there were a lot of pure nitrate particles. The mechanisms of the formation of these particles are discussed.

本文采用试剂薄膜法和X射线能谱分析了北京市区大气中含硝酸盐的单个气溶胶粒子特征。粒子按粒径分为粗粒子(d>1μm)和细粒子(1μm≥d>0.1μm),结果表明:粗粒子和细粒子中都有含硝酸盐的粒子,而且发现了许多纯硝酸盐细粒子。文中对这些粒子的形成机制进行了详细讨论。

 
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