| 1. | Purification efficiencies of trickling biofilter with waste gas subsection - inlets
分段进气生物膜滴滤塔的废气净化效率 |
| 2. | Research on purification efficiency of polluted water remediation by submerged macrophytes
沉水植物修复受污水体净化效能的研究 |
| 3. | Primary studies on the purification efficiency of phosphorus by means of constructed wetland system
人工湿地系统对污水磷的净化效果 |
| 4. | The purification efficiency of the hangu stabilization ponds and its relationship with biodiversity of protozoan community
原生动物群落多样性变化与汉沽稳定塘水质净化效能相互关系的研究 |
| 5. | The dosage of noble metals in twc of cng vehicle was greatly decreased , and higher purification efficiency for the exhaust was obtained
天然气汽车三效催化器中贵金属用量大大降低，保持了较高的废气净化效率。 |
| 6. | Through experiments of static degradation and dynamic soil column , both purification efficiency of phenol and influences of reed wetland soil were studied
摘要用动态土柱法和静态降解法研究了芦苇湿地土壤对苯酚的净化效果及其影响因素。 |
| 7. | In the model the film thickness in the passage was obtained at first using two phase flow theory ; then , similar analysis solution of concentration distribution of the pollutant in liquid phase and biofilm was obtained through mass component equation of pollutant in gas - liquid phases combined with the biochemical kinetic equation of mass transfer in biofilm and dismission of oxygen limited ; at last , the distribution of pollutant along the filter height and the waste gas purification efficiency were obtained
该模型首先运用两相流理论获得了通道内液膜厚度，然后通过污染物在气相、液相的质量组分方程，结合生物膜内的传质与不?虑氧限制的生化反应动力学方程，获得了污染物在液相和生物膜中浓度分布的近似分析解，最终得到污染物在气相中沿塔高的浓度分布及废气净化效率。 |
| 8. | This paper presents the effects of some features on the productivity of raw c60 materials , such as distance and approaching speed of electrodes , helium partial pressure and arc current etc . then we separate and purify the raw materials and obtain pure solid c60 of 99 . 9 % and compare the purification efficiency and effect of different fluxion phase and fixed phase and discuss the effects of the experimental conditions , such as the depositing speed , the type of the substrate , the surface structure of the substrate and the temperature of the substrate . finally , we use xps , afm , ultraviolet , infrared and raman to analyze the component , structure and feature of the films qualitatively and quantitatively
本文首先研究了氦气分压、弧电流大小、电极间距以及电极推进速度等实验条件对制备c _ ( 60 )粗品产率的影响；接着选用柱色谱法分离提纯得到了纯度大于99 . 9的c _ ( 60 )固体，比较了不同流动相和固定相的提纯效率和效果；然后采用自己改进后的真空镀膜机，利用电阻式加热蒸镀方法，得到了纯c _ ( 60 )薄膜和不同掺杂比的银掺杂薄膜；探讨了沉积速率、衬底种类、衬底表面结构以及衬底温度等实验条件对薄膜结构的影响；最后通过xps ， afm ，紫外，红外，拉曼对薄膜的成分、结构和特性作了定性和半定量分析。 |
| 9. | The results indicate that : purification efficiency of phenol was better of wetland soil in which was not reed - planted ; both the residence time of phenol in soil and the range of particle size affected the adsorption ability of wetland soil ; through changing soil infiltration and physicochemical properties of rhizosphere , reed can affect adsorption ability of wetland soil on phenol
结果表明，未生长芦苇的湿地土壤对苯酚具有较好的净化效果；苯酚在土壤中滞留时间、土壤的粒径范围均影响湿地土壤对苯酚的吸附能力；芦苇能改变土壤入渗率和根际土壤的理化性质，从而影响湿地土壤对苯酚的吸附能力。 |
| 10. | Our company adopts the metal honeycomb or the metal network board carrier , with special coating coating technology and processing technology , prepare different forms , the all kinds of catalysiseses of specification , used in petrol exhaust . with the characteristic of light in low temp , purification efficiency high and long life etc . main technological schemes as below
通用汽油机净化器我公司采用金属蜂窝或金属网板载体，通过特殊的涂层涂覆技术及加工工艺，可制备不同形状规格的各类催化净化器，用于汽油机的排气净化，具有起燃温度低净化效率高使用寿命长等特点。 |
