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particles
相关语句
  颗粒物
    Study on the Geochemical Characteristics and Source Appointment of Atmospheric Particles in Shao-Guan City
    韶关市大气颗粒物地球化学特征与源解析研究
短句来源
    Study on Transport Mechanisms of Fine Particles from Indoor Combustion Sources
    室内燃烧源细微颗粒物的传输机理研究
短句来源
    Adsorption-release experiment of phosphorus on particles in seawater-effluents mixture
    污水与海水混合后海水颗粒物对磷的吸附-释放实验
短句来源
    STUDY ON ELEMENTAL CONCENTRATIONS AND SIZE DISTRIBUTION OF MARINE ATMOSPHERIC PARTICLES OVER NEAR-CHINA OCEAN
    近海海洋大气颗粒物中元素浓度及粒径分布研究
短句来源
    Content Of PAHs in Different Diameter Airborne Particles and Relationship with Their Mutagenicity
    不同粒径颗粒物中多环芳烃含量与致突变性关系的研究
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  “particles”译为未确定词的双语例句
    Catalytic Dechlorination of Chlorophenols in Water by Nanoscale Pd/Fe Bimetallic Particles
    纳米级Pd/Fe双金属对水中氯酚的催化脱氯研究
短句来源
    CHARACTERISTICS OF ADSORPTION AND ELECTROPHORESIS IN MERCURY (Ⅱ)-ORGANIC COMPOUND-SUSPENDED PARTICLES SYSTEM
    汞(Ⅱ)-有机物-悬浮物体系的吸附行为和电泳特征的探讨
短句来源
    ADSORPTION OF (210)~Pb(Pb) AND (210)~Bi ON SOIL PARTICLES
    草甸棕壤对~(210)Pb(Pb)、~(210)Bi的吸附和pH的影响
短句来源
    Oxidation of SO_2 on the Surface of Particles in the Atmosphere,
    大气中SO_2的固相氧化研究
短句来源
    Adsorption and Leaching of ~(89)Sr by Perlite Particles
    锶—89在珍珠岩中吸附的研究
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  particles
CETP thus plays a potential pro-atherogenic role by moving CE from HDL into pro-atherogenic VLDL and LDL particles, thereby lowering atheroprotective HDL cholesterol.
      
In this study, a novel method was used to prepare well-separated and spherical tricobalt tetraoxide (Co3O4) nanosized particles.
      
Transmission electron micrograph image showed that the catalyst particles were highly distributed on the surface of CNTs.
      
Preparation of raspberry-like PMMA/SiO2 nanocomposite particles
      
Water-borne raspberry-like PMMA/SiO2 nanocom-posite particles were prepared via free radical copolymerization of methyl methacrylate (MMA) with 1-vinylimidazole (1-VID) in the presence of ultrafine aqueous silica sols.
      
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Adsorption experiments of cadmium on prepared samples of Chinese clay minerals were done. The adsorption isotherms of cadmium on montmorillonite, illite and kaolinite were found to be of the Langmuir-type equation in a wide range of Cd concentrations. Effects of temperature, contact time, pH, particle size and mineral types were also studied. A diagram of dissolution-adsorption-precipitation zones was presented. pH values for rapid adsorption enchancement were in agreement with the calculated pH values...

Adsorption experiments of cadmium on prepared samples of Chinese clay minerals were done. The adsorption isotherms of cadmium on montmorillonite, illite and kaolinite were found to be of the Langmuir-type equation in a wide range of Cd concentrations. Effects of temperature, contact time, pH, particle size and mineral types were also studied. A diagram of dissolution-adsorption-precipitation zones was presented. pH values for rapid adsorption enchancement were in agreement with the calculated pH values for precipitation of carbonates. It seems there exists a correlation of "additivity of saturation adsorption capacities" for different particle sizes or different types of the minerals.

以我国各地典型粘土矿物制备标准样品,对镉进行吸附实验,得到蒙脱石、伊利石、高岭石三种矿物的吸附等温线,在广泛浓度范围内符合Langmuir型方程式。研究了温度、接触时间、PH值、粒径、矿种等对吸附的影响效应。提出了镉的溶解-吸附-沉淀区域图,吸附急剧增强和开始发生碳酸镉沉淀的PH值是一致的。发现对不同粒径和不同矿种都存在“饱和吸附值加和现象”。 对湘江中游及上游天然底质样品以化学分离法逐级除去碳酸盐、有机物、金属水合氧化物等组分,以各级样品进行镉的吸附实验。根据吸附等温线和饱和吸附值可以判断不同组分在吸附中的贡献,发现这与各组分相对含量直接有关。 应用本文提出的工作方法。有可能建立天然水体中吸附过程的定量化学模式。

103 samples of airborne particles were collected at 9 different sites in Beijing area by using Hi-volume air sampler and analyzed for 21 elements by x-ray fluorescence, atomic absorption spectrometry and ICP. In some of the samples phase analysis of α-SiO2 and CaCO3 was done by X-ray diffraction method.

选择北京地区7—9个采样点(五个功能区),用大容量采样器按季定期采集飘尘样品(103个)。用x射线荧光、x射线衍射、原子吸收、等离子体发射光谱等方法分析了飘尘中21种元素,并鉴定了α-SiO_2(α-石英)和CaCO_3(方解石)的物相。用元素相对浓度(x/Fe或x/Si)和富集因子(EF地壳以Fe为参比元素)进行了数据处理与分析,阐明了北京大气飘尘的化学特性以及不同地区、不同季节的差异与变化。根据分析结果认为,北京地区飘尘中的主要化学组分大都来源于自然界风砂或土壤;在飘尘中富集最高的元素S、Zn、Pb等可能主要来自人为污染源。估算了飘尘中风砂所占比例约为33%、硫酸根约为6%。

This paper deals primarily with the effect of additives, water content, species of coal and oil, coal particle size and storage temperature on stability of COM.It is shown that when COM is prepared by~50% coal of which 70—80% pass 200 mesh sieve,~45% oil, 3—5% H_2O and certain amount of additives, the variation of coal concentration in each of 3 layers in the column is<±5% after 10 days storage under 70℃.

油煤混合燃料的稳定性受很多因素的制约。本文主要阐述了添加剂、煤种及油种、粉煤粒径及含水量和贮存温度对油煤混合燃料稳定性的影响。本文提出,以~50%煤(70—80%通过200目),~45%油,3—5%H_2O和适量的添加剂制成的COM,在70℃下贮存10天后,其各层的煤浓度变化率均<±5%。

 
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