查詢結果分析
相關文獻
- Effects of Mercuric Chloride on Carbon Dioxide and Methane Emissions from Water of Tamsui River
- Effect of Mercuric Chloride on Carbon Dioxide and Methane Emissions from Water of Kaoping River and Chenching Lake
- Experimental Investigation of Hydrodynamic Forces on Submerged Twin Hulled Offshore Structures in Dynamic Positioning Aspects
- 參數即時修正河川洪水預報模式
- 從淡水河口文蛤興衰看生態保育策略
- 宜蘭縣主次要河川懸浮固體含量變化研究
- 臺灣東部水田土壤甲烷氣體之釋放及其影響因子
- 環境檢驗所淡水河化學及生物整合性研究報告摘要
- 以地理資訊系統為基礎之三維淡水河系水理模式
- 密度變化對河口環流、鹽分分佈與水質之影響
頁籤選單縮合
題 名 | Effects of Mercuric Chloride on Carbon Dioxide and Methane Emissions from Water of Tamsui River=氯化汞對淡水河水樣二氧化碳和甲烷釋放之影響 |
---|---|
作 者 | 陳顗竹; 劉麗雲; 劉清標; 張政雄; 鍾竺均; 魏嘉碧; 楊盛行; | 書刊名 | 臺灣農業化學與食品科學 |
卷 期 | 49:4 2011.08[民100.08] |
頁 次 | 頁195-204 |
分類號 | 445.259 |
關鍵詞 | 氯化汞; 二氧化碳釋放; 甲烷釋放; 水體; 淡水河; Mercuric chloride; Carbon dioxide emission; Methane emission; Water; Tamsui River; |
語 文 | 英文(English) |
中文摘要 | 為探討河水中二氧化碳和甲烷的釋放,會在採樣到測量的過程中添加氯化汞以抑制微生物活性。但氯化汞對這些水體中溫室效應氣體釋放的影響未知。因此,將不同體積飽和氯化汞溶液(69mg/mL, 20℃)添加至淡水河水樣中於25℃下培養6天。100mL河水二氧化碳和甲烷釋放量隨飽和氯化汞添加量增加而減少,當飽和氯化汞添加量大於100μL(6.9mg)時,其釋放量減少速率減緩。褐色瓶中水體二氧化碳和甲烷釋放量較無色瓶高。下游水體二氧化碳和甲烷釋放量最高,中游水體次之,而上游水體最低。因下游水體污染量較高,BOD、COD和SOM亦較高。因而水體取樣時於100mL水體中添加100μL飽和氯化汞溶液,降低微生物活性,於利實驗室測量水體溫室氣體釋放量為一可行之方式。 |
英文摘要 | To investigate carbon dioxide and methane emissions from the river water, mercuric chloride was added to the water for retarding microbial activities during the period from water sampling to laboratory measurement. But the effects of mercuric chloride on emissions of these green house gases from water remain unknown. Therefore, carbon dioxide and methane emissions from water of Tamsui River with different amounts of saturated mercuric chloride solution (69 mg/mL at 20℃) were determined at 25℃ for 6 days. Carbon dioxide and methane emissions decreased with increasing amount of saturated mercuric chloride solution added from 50 to 600 μL (3.45-41.4 mg) in 100 mL water. The gas emissions decreased slightly when the amount of saturated mercuric chloride was higher than 200 μL (13.8 mg). Carbon dioxide and methane emissions decreased linearly with the amount of saturated mercuric chloride supplemented between 0 and 100 μL (0-6.9 mg). The effect of bottle color on the carbon dioxide and methane emissions was studied with colorless and brown-colored bottles. Water in the brown-colored bottles had higher carbon dioxide and methane emissions than in the colorless bottles. The downstream area of Tamsui River had the highest carbon dioxide and methane emissions, followed by the middle-stream area, and the upstream area was the lowest due to the high pollution in the downstream area. Therefore, addition of 100 μL saturated mercuric chloride solution (6.9 mg) in 100 mL of water to retard the microbial activities after sampling in the fields for measurement of greenhouse gases emissions from water is a feasible method. |
本系統中英文摘要資訊取自各篇刊載內容。