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   沉积物吸附 的翻译结果: 查询用时:0.284秒
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沉积物吸附
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  “沉积物吸附”译为未确定词的双语例句
     But the phosphate sorption rate was increased by DOM, especially during the initial period of 0 - 0.5 h, from 82.34 to 97.18 mg kg-1 h-1 in the sediment from the East Taihu Lake, and from 12.21 to 59.17 mg kg-1 h-1 in the sediment from the Wuli Lake;
     DOM提高了沉积物吸附磷的速度,特别是提高了0-0.5 h内的吸附速度,其中东太湖沉积物由82.34 mg kg-1h-1增加到97.18 mg kg-1 h-1,五里湖沉积物由12.21 mg kg-1h-1增加到59.17 mg kg-1h-1;
短句来源
     Effects of Pb(NO_3)_2 and Cetylpyridinium Chloride on Sorption of p-Nitrophenol by Sediment
     Pb(NO_3)_2与CPC共存对沉积物吸附对硝基苯酚的影响
短句来源
     EFFECTS OF SOIL(SEDIMENT)ADSORPTION ON BIODEGRADATION RATES OF 2,4-D
     土壤沉积物吸附对2,4-D生物降解速率的影响
短句来源
     The distribution coefficients Kd of absorption of these isotopes are ordered as l37Cs>80Co>106Ru>90Sr.
     对同种类型的沉积物,吸附分配系数Kd值的变化顺序大致为~(137)Cs>~(60)Co>~(106)Ru>~(90)Sr;
短句来源
     (2) DOM obviously changed the phosphate sorption isotherms of the sediments, suggesting it enhanced the sorption process and improved the efficiency of phosphate sorption on the lake sediments, from 123 .3 to 164.8 L kg-1 on the sediment from the East Taihu Lake and from 94.56 to 206.3 L kg-1 on the sediment from the Wuli Lake;
     (2)DOM明显改变了沉积物吸附磷等温线,对沉积物吸附磷具有促进作用,提高了沉积物吸附磷的效率,其中东太湖沉积物,DOM使其对磷的吸附效率由123.3 L kg-1增加到164.8 L kg-1,五里湖沉积物,DOM使其对磷的吸附效率由94.56 L kg-1增加到206.3 L kg-1;
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  相似匹配句对
     CHARACTERS OF P-NITROPHENOL SORPTION TO SEDIMENTS
     对硝基苯酚在沉积物上的吸附特性
短句来源
     The Sorption Behaviors of Chlorpyrifos onto Sediments
     毒死蜱在沉积物上的吸附行为研究
短句来源
     CHAPTER 5 MARINE SEDIMENTATION Section 3 Bottom Sediment
     海底沉积物
短句来源
     The adsorption of fluoride in water by calcined layered double hydroxides was
     吸附过程
短句来源
     CHAPTER 5 MARINE SEDIMENTATION Section 5 Sedimentary Chemistry
     沉积物化学
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  sediment adsorption
These results confirm that glyphosate dissipates rapidly from the surfaces waters of lentic systems, and suggest that sediment adsorption or biodegradation were the major means of glyphosate loss from the water column.
      
The rate of inorganic-N decrease in the floodwater was greatest for the initial application columns, primarily due to sediment adsorption of NHinf4sup+, followed by 2-year and 50-yr-columns.
      


The adsorption of cadmium (in ppb order) on illite and sediment collected from Xiangjiang River was examined. The adsorption isotherms at different pH were constructed. The conditional stability constants of cadmium and the solids complexes at given pH were obtained based on a simple surface complex model. The plots of the conditional stability constant against pH value could be divided into two regions in which the constants were linearly correlated to pH. Conditional complexation constants were derived from...

The adsorption of cadmium (in ppb order) on illite and sediment collected from Xiangjiang River was examined. The adsorption isotherms at different pH were constructed. The conditional stability constants of cadmium and the solids complexes at given pH were obtained based on a simple surface complex model. The plots of the conditional stability constant against pH value could be divided into two regions in which the constants were linearly correlated to pH. Conditional complexation constants were derived from those plots and were independent of pH. The conditional stability constants of the cadmium and illite complex were 3.0-1.8×102 and the cadmium and the sediment complex were 0.8-2.5×102 in the pH range from 5.0 to 8.5. The conditional complex constants for two complexes were 3.3×10-2 and 2.8×10-2 respectively in the low pH region and were 5.6×10-5 and 8.5×10-8 respectively in the high pH region.

本文研究天然固体、伊利土和湘江悬浮沉积物从水中吸附极低浓度(ppb级)的镉时吸附量随pH的变化;同时研究不同pH值时的吸附等温线。根据简单的表面络合模式,利用线性关系及其分配系数,求取不同pH值时的天然固体与镉形成的表面络合物的条件稳定常数。条件稳定常数随pH值的上升,分为两个区域而呈线性增长。据此求得表面络合反应的条件络合常数。镉与伊利土和湘江悬浮沉积物的表面络合物条件稳定常数分别为3.0—1.8×10~2和0.8—2.5×10~2(pH5.0—8.5).低pH区伊利土和湘江悬浮沉积物吸附镉的条件络合常数分别为3.3×10~(-2)和2.8×10~(-2),高pH区二者的络合常数分别为5.6×10~(-5)和8.5×10~(-8)。

Based on the methods of radioactive isotopic tracer and RRR-spectrometer, the desorption characteristics of sea water to four radioactive isotopes of ~(90)Sr, ~(137)Cs, ~(80)Co and ~(106)Ru is discussed. The desorption magnitude of sea water to the four isotopes is in the order of 00Sr>109Ru>60Co>137Cs. ~(90)Sr is desordcd easily by sea water in sediments, whereas ~(137)Cs and ~(60)Co arc stabilized easily by sediments.

本文应用同位素示踪和γ能谱测定方法,就海水对近岸沉积物中放射性同位素~(90)Sr(~(85)Sr)、~(137)Cs、~(60)Co及~(106)Ru的解吸性能进行了初步研究。海水对沉积物中四种同位素解吸性能的变化顺序为~(90)Sr(~(85)Sr)>~(106)Ru>~(60)Co>~(137)Cs,沉积物吸附的~(90)Sr(~(85)Sr)易被海水解吸,而~(137)Cs和~(60)Co则易被沉积物吸附固定。

Experimental studies have been conducted on the adsorption and de-adsorption of phosphate by suspended deposit and the utilization of deposit-adsorbed phosphate by algae, with samples collected from Dazeshan Reservoir,Pingdu County, on Dec. 1, 1987.The results irdicated that the adsorption of phosphate by suspended deposit was rather rapid, it approached saturation in 24 hours; the absolute amount of adsorbed phosphate increased with the increase of phosphate concentration and the deposit content in the water;...

Experimental studies have been conducted on the adsorption and de-adsorption of phosphate by suspended deposit and the utilization of deposit-adsorbed phosphate by algae, with samples collected from Dazeshan Reservoir,Pingdu County, on Dec. 1, 1987.The results irdicated that the adsorption of phosphate by suspended deposit was rather rapid, it approached saturation in 24 hours; the absolute amount of adsorbed phosphate increased with the increase of phosphate concentration and the deposit content in the water; the relative amount of adsorbed phosphate only increased with the increase of phosphate concentration, but decreased with the increase of deposit content; whether adsorption or de-adsorption would come to occur depended on the relation of the amonut of phosphate adsorbed on the suspended deposit to the concentration of phosphate in the water; and the amount of phosphate adsorbed on the suspended deposit varied with the concentration of phosphate in the water in a logarithmic correlation, so as to keep the phosphate adsorption and de-adsorption balanced.Algal culture experiments proved that adsorbed phosphate on the suspended deposit can be used as a phosphorus source for algae. In view of this, the authors suggested that the total active phosphorus rather than the dissolved inorganic phosphorus should be used as the index of the level of the available phosphorus in shallow inland waters.

本文用1987年12月采自平度县大泽山水库的水样和沉积物样品,实验研究了悬浮沉积物对磷酸盐的吸附与释放以及藻类对悬浮沉积物吸附磷的利用。实验证明,悬浮沉积物对PO_4—P的吸附相当迅速,24小时即趋于饱和;绝对吸附量随水中原有PO_4—P浓度和沉积物含量增加而增加,相对吸附量也随水中原有PO_4—P浓度的增加而增加,但随沉积物含量的增加而减少;悬浮沉积物的吸磷或释磷,取决于沉积物吸附的磷量与水中溶存PO_4—P浓度两者的相对关系,在吸附释放平衡条件下,二者的数量变化呈对数相关。藻类培养结果表明,悬浮沉积物吸附磷能被藻类直接利用。据此,作者提出应当用总活性磷,而不是溶解无机磷作为浅水型内陆水域有效磷的指标。

 
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