硝酸態氮肥 的英文怎麼說
中文拼音 [xiāosuāntàidànbǐ]
硝酸態氮肥
英文
nitric nitrogen fertilizer- 硝 : Ⅰ名詞（硝石） nitre; saltpetre Ⅱ動詞（用樸硝或硭硝加黃米面處理毛皮） taw
- 酸 : 酸構詞成分。
- 態 : 名詞1. （形狀; 狀態） form; condition; appearance 2. [物理學] （物質結構的狀態或階段） state 3. [語言學] （一種語法范疇） voice
- 氮 : 名詞[化學] nitrogen （7號元素, 符號n）
- 肥 : Ⅰ名詞1 （肥料） fertilizer; manure 2 （姓氏） a surname Ⅱ動詞1 （使肥沃） fertilize 2 （由不正當...
- 硝酸 : [無機化學] hydrogen nitrate; nitric acid; aqua fortis
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Abstract : the paper summarized the present situation of nitrate pollution in some area of our country where the surface water, underground water and vegetable crop were polluted by using nitrogen excessively, put forward some proposals and control countermeasures to prevent the nitrogen pollution in agriculture ecology environment such as draw up the " pollution prevention administrative stipulate for farm land fertilizer application "
文摘:概述了我國部分地區因過量施用化肥氮而導致對地面水、地下水及蔬菜造成硝酸鹽污染的現狀；提出了制定《農田施肥污染防治管理規定》等防止農業生態環境氮污染的對策意見。Determination of nitrate nitrogen in fertilizer by reduction of sodium thiosulphate instead of chromium power
用硫代硫酸鈉代替鉻粉還原測定肥料中硝酸態氮Comparative test on measuring nitrogen content in nitrate nitrogen by reduction
還原法測定肥料中硝酸態氮含量的比較試驗It is a serious issue that water and nitrogen input rates are unreasonable high in vegetable production in china, which may increase nitrate accumulation in vegetable and ground water contamination. in result, these will be harmful to people ' s health. the objectives of this paper which based on column % pot and micro - plot experiments were to compare the effects of different water and nitrogen supply strategies on nitrogen leaching in the soil profile and nitrate accumulation in vegetable as a base for the n and water recommendations in vegetable production
針對蔬菜生產中水氮投入過量造成蔬菜品質下降、地下水硝酸鹽含量超標，水、肥資源的浪費以及給人體健康造成的潛在性威脅的實際情況，以油菜和芫荽為研究對象採用模擬土柱、盆栽和田間微區試驗相結合方法系統監測了蔬菜生育期內硝酸鹽含量的動態變化以及收獲后不同土層土壤硝態氮的殘留量，研究了水氮對蔬菜硝酸鹽累積的影響及對土壤硝態氮殘留的效應。分享友人