1) base cations
盐基离子
1.
The effects of simulated acid rain on releasing base cations of red soil were studied with leaching experiments.
通过模拟酸雨淋溶实验,分析在不同酸度酸雨淋溶下红壤中盐基离子释放的规律和特点,研究红壤对酸雨的缓冲机制。
2.
The results showed that amounts of leaching base cations increased obviously when the pH value of simulated acidic rain was lower than 3.
研究了模拟酸雨对我国南方主要土壤类型盐基离子淋溶的影响,结果表明,pH低于3。
2) base cation
盐基离子
1.
The newly developed long\|term soil acidification model (LTSAM) is used to simulate effects of pronounced decreases and no changes in atmospheric deposition of base cations as reducing sulfate deposition on critical loads of Red Earth in Wenzhou of Zhejiang Province.
以温州红壤为例 ,利用新近发展的长期土壤酸化模型 (LTSAM)模拟分析了硫沉降削减过程中可能引起盐基离子沉降量大幅度减少和保持不变两种理想情况下对温州红壤酸沉降临界负荷的影响 。
2.
Effects of application of N fertilizers on the release of Al and base cations from two rice paddy soils in Changsha were studied through a batch experiment with NH 4HCO 3 and CO(NH 2) 2 solution respectively.
分别用碳酸氢铵和尿素溶液对长沙地区两种水稻土进行连续浸提试验 ,研究氮肥施用对水稻土中 Al及盐基离子溶出的影响 。
3) base ions
盐基离子
1.
The releasing characteristics and mechanism of base ions in four types of typical soils(yellow soil,grey-brown purplish soil,red-brown purplish soil,red purplish soil),which were collected from the Three Gorges Reservior Region,are studied by simulated acid rain leaching of soil columns equipment indoor.
通过室内模拟酸雨土柱淋溶实验,研究了酸雨作用下三峡库区4种典型土壤盐基离子的释放特点和释放机制。
4) base ion
盐基离子
1.
Under the natural ecological condition of rape field cultivation,effect on rape soil and dissolution in the base ions of K,Na,Ca and Mg with different pH of simulated acid rain was investigated by spraying and soil columns leaching experiments.
在油菜大田栽培的自然生态环境条件下,通过喷淋和土柱淋溶试验,研究不同pH模拟酸雨对油菜大田土壤K,Na,Ca和Mg等盐基离子溶出的影响。
2.
Significant correlation between the total amount of four kinds of base ions in the leacheate and concentration of H + of acid rain is evident.
4种盐基离子淋失总量与酸雨的氢离子浓度呈极显著的正相关关系 ,淋失量 Ca2 + >Mg2 + >Na+ >K+ ,其中 Na+对酸雨的酸度最不敏感。
5) base cations
盐基阳离子
1.
Estimation of atmospheric emissions of base cations in China;
中国工业源大气盐基阳离子排放量估算
6) base cation
盐基阳离子
1.
Vegetation uptake of nitrogen and base cation, as well as acid deposition, is an important source of soil acidity.
植被对氮和盐基阳离子的吸收是除酸沉降外另一个重要的土壤酸度来源 。
补充资料:盐基品蓝R
分子式:C29H32ClN3
分子量:458.03
CAS号:2185-86-6
性质:蓝灰色均匀粉状物,微溶于冷水,溶于热水则呈蓝色;易溶于乙醇也呈蓝色。遇浓硫酸呈棕黄色,稀释后为亮绿至蓝色;水溶液遇氢氧化钠形成棕色絮状沉淀。属三苯甲烷系碱性染料。
制备方法:采用4,4'-二(二甲氨基)二苯甲酮(即四甲基米氏酮),在三氯氧磷作用下,与N-乙基甲萘胺缩合,然后经水解、担纯,盐析,过滤及干燥即得成品。公斤/吨四甲基米氏酮 268N-乙基甲萘胺 170三氯氧磷 167氢氧化钠 204氯仿 40
用途:主要用于制备碱性品蓝色沉淀,其次用于麻、蚕丝织物及皮革、竹、木等的染色。
分子量:458.03
CAS号:2185-86-6
性质:蓝灰色均匀粉状物,微溶于冷水,溶于热水则呈蓝色;易溶于乙醇也呈蓝色。遇浓硫酸呈棕黄色,稀释后为亮绿至蓝色;水溶液遇氢氧化钠形成棕色絮状沉淀。属三苯甲烷系碱性染料。
制备方法:采用4,4'-二(二甲氨基)二苯甲酮(即四甲基米氏酮),在三氯氧磷作用下,与N-乙基甲萘胺缩合,然后经水解、担纯,盐析,过滤及干燥即得成品。公斤/吨四甲基米氏酮 268N-乙基甲萘胺 170三氯氧磷 167氢氧化钠 204氯仿 40
用途:主要用于制备碱性品蓝色沉淀,其次用于麻、蚕丝织物及皮革、竹、木等的染色。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条