硝酸態氮 的英文怎麼說

中文拼音 [xiāosuāntàidàn]
硝酸態氮 英文
nitrate nitrogen
  • 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）
  • 硝酸 : [無機化學] hydrogen nitrate; nitric acid; aqua fortis
  1. Study on the determination of amide nitrogen and total nitrogen in urea nitrate

    硝酸脲中酰胺態氮及總氮含量測定的研究
  2. Chemical analysis of sulphuric acid and oleums. determination of nitrous nitrogen and nitric nitrogen

    硫酸和發煙硫酸的化學分析.硝態氮的測定
  3. Influence of nitrate - n space time differentiation to ch. cabbage nitrate content in black soil

    黑土土壤硝態氮時空變異對蔬菜硝酸鹽含量的影響
  4. The activities of nr increased fistly and then decreased after uv - b treatment. the gdh activities of treated plants were lower than those of control plants during the whole experiment. enhanced uv - b radiation reduced the contents of no3 - - n in spirodela polyhiza

    Uv - b輻射處理后硝酸還原酶（ nr ）活性呈先升后降的變化趨勢，谷氨酸脫氫酶（ gdh ）活性在整個處理期間均低於對照； uv - b輻射導致硝態氮含量降低。
  5. 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。
  6. 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
  7. Nicrate nitrogen and phosphate in liquid medium were quickly consumed at the lag phase of the growth, the consumption rate was 16. 71 g / ml d and 1. 67 g / m ) d, respectively ; but during the rapid - growth phase, its consumption rate was decreased

    在毛狀根生長遲滯期內，培養基中的硝態氮和磷酸鹽的消耗較快，其消耗速率分別為16 . 71 g ml ? d和1 . 67 g ml ? d ；但在快速生長期，其消耗速率反而減慢。
  8. Purifying water quality : the first will be through cell amine and ammonia nitrate into substance, then later nitrate into ammonia volatile substances, so as to achieve degradation of ammonia and some toxic and harmful substances, three - dimensional improvement of water quality, water color, improve transparency and efficiency of the effect of rapid detoxification, and the establishment of the ecological balance of water for aquaculture environment

    凈化水質：首先通過菌體的活動將胺及氨類物質轉化成硝酸鹽，爾后再將硝酸鹽轉化成揮發性物質氨，從而達到降解水中氨氮及一些有毒有害物質，立體改善水質、水色、提高透明度，並具有高效快速解毒的功效，建立養殖水環境的生態平衡。
  9. 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
  10. Abstract ： the influence of bleeding sap and nitrate - nitrogen, amino acid in root sap of k4 which grown in the zone is researched in seed treatments and initial bloom stage after spraying on leaf with edta - mn

    摘要以「墾農4號」為材料，利用錳浸種和初花期葉面噴施，在小區試驗的條件下研究了錳對大豆根系傷流量、傷流液中硝態氮和氨基酸含量調控的效應。
  11. The changes of the three aspects have the cause - and - effect relationships : changes of soil moisture and temperature were affected directly by the farming practice, subsequently, the content of soil nitrate nitrogen was affected by the former changes, ultimately, the soil nitrate reductase ( nr ) and nitrite reductase ( nir ) activities were affected by the formers

    由通徑分析的路徑系數比較，土壤含水量（ 0 . 3604 ）土壤溫度（ 0 . 3091 ）硝態氮含量（ 0 . 1212 ） ，並共同作用於土壤硝酸還原酶活性。 2冬小麥的不同生育期地膜覆蓋的農作措施顯著的增加了土壤中n _ 2o排放通量。
  12. The effect of different dose of manganese mixed with seeds is not obvious on the soybean bleeding sap and content of nitrate - nitrogen and amino acid ; proper dose of manganese spraying on the leaf can improve the content of nitrate - nitrogen in bleeding sap obviously, to ck and the high dose of manganese treatment

    不同濃度錳浸種對大豆傷流液中硝態氮與氨基酸含量影響不是很明顯；適量錳葉面噴施可明顯促進大豆傷流液中硝態氮與氨基酸含量，使其高於對照與高濃度錳處理。
  13. 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。
  14. Water quality - determination of dissolved anions by liquid chromatography of ions - determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water

    水的質量.用液態離子色譜法測定已溶解的陰離子.第2部分:在廢水中溴化物氯化物氮化物亞硝酸鹽正磷酸鹽和硫酸鹽的測定
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