在颗粒物对水中邻苯二甲酸酯吸附、水解、生物降解和藻类富集实验的基础上,提出了颗粒物与天然水体中痕量有机物相互作用的动态数学模型。
A dynamic model on interaction between water particles and trace organic chemicals was presented on the basis of the research of adsorption, hydrolysis, biodegradation and algae accumulation in water.
越来越多的野外观测和实验数据表明,气相对成矿元素的迁移和富集具有不可忽视的作用。
More and more field observations and experimental data show that gas plays a certain role in the transport and enrichment of mineralizing elements.
模型预测了进料浓度和进气速度对富集比的影响,结果表明,模型预测结果和实验结果基本一致。
Effects of inlet air flow and inlet feed concentration on enrichment rate were predicted by the model. The results had good agreement with the experiment observations.
实验结果表明,镁在球墨铸铁件表面大量富集,在整个横截面上由外到内呈梯度分布状态。
Experimental result shows that the surface of ductile iron casting has a large amount of magnesium, and, there is a gradient distribution of magnesium from external to internal in the cross section.
主要研究了金橙G螯合形成树脂分离富集地质样品中金、铂、钯的最佳实验条件。
The present paper describes the optimum conditions of separation and preconcentration of Au, Pd and Pt in geological samples with gold orange G chelate-forming resin.
根据实验结果,调整培养条件,得到新的培养条件,使藻的生长速度加快,对硒富集量提高20.7%,锌富集量提高25.2%。
According to the results, a new culture condition was obtained, it could increase Spirulina grow speed, and bioenrichment of Se raise 25.2%, Zn raise 20.7%.
化学驱实验中可明显看出原油富集带的形成过程。
The chemical flooding tests obviously show the process of oil enrichment resulting in the formation of an oil bank.
实验表明,该装置是痕量挥发性有机物浓缩富集-气相色谱分析的有效手段。
The results show that it is a effective means to concentrate trace amount of volatile organic substance in GC analysis.
用实验的方法研究了用粉煤灰制取多孔粉末材料对重金属离子的富集能力。
The collection capacity of heavy metal ions by porous powder made from fly—ash is studied.
此外,采用五种大孔吸附树脂富集纯化提取液中的赤芍总苷,实验结果表明,非极性树脂D101和ATD-21是性能良好的赤芍总苷吸附剂。
Also, the purification of TPG by macro adsorption resin was investigated. The results showed that nonpolar resin ATD-21 and D101 were good sorbents of TPG.
细菌富集金的实验表明,细菌具有强烈富集金的能力,起到了海水中微量金捕集器的作用。
The experiments on enrichment of gold by bacteria indicate that bacteria have a very intense enrichment capacity for gold and act as an arrester of trace gold in sea water.
通过静态吸附、解吸实验选出AB-8大孔树脂,通过单因素、正交实验优化了白藜芦醇、原花色素的富集、分离条件。
The macroporous adsorption resin AB-8 have been selected from 3 kinds of carriers by static adsorption and de-adsorption test.
实验室试验和工业生产表明,马钢所采用的炼铁污泥浮-重选富集工艺是可行的,它具有流程顺,回收铁效果好、去锌率高等特点。
The laboratory experiment and production show that the flotation and gravity-separation process to treat ironmaking sludge in Ma Steel is feasible.
前言: 采用疏基棉分离富集技术,以火焰原子吸收光谱法测定了水中痕量镍元素的含量,相对标准偏差为2.3~2.5,回收率为99.8%~100.1%,取得了比较满意的实验结果。
Content of Ni2+ in water was determined by atomic absorption spectrometry after separating and enriching with sulphdryl cotton. In this method, RSD was 2.3~2.5, and recovery was 99.8%~100.1%.
前言: 采用疏基棉分离富集技术,以火焰原子吸收光谱法测定了水中痕量镍元素的含量,相对标准偏差为2.3~2.5,回收率为99.8%~100.1%,取得了比较满意的实验结果。
Content of Ni2+ in water was determined by atomic absorption spectrometry after separating and enriching with sulphdryl cotton. In this method, RSD was 2.3~2.5, and recovery was 99.8%~100.1%.
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