nitrate-nitrogen中文
硝態氮
例句與用法
- Water quality - determination of nitrate - nitrogen gas - phase molecular absorption spectrometry
水質.硝酸鹽氮的測定.氣相分子吸收光譜法 - Study on nitrate - nitrogen removal and community analysis of denitrifying bacteria in downflow fixed - bed bioreactor
下流式固定床反應器中反硝化細菌類群及其脫氮效率分析 - 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。 - 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，使其高于對照與高濃度錳處理。 - The potential for river eutrophication was originally measured by seven nutrient parameters : ammonia - nitrogen , nitrite - nitrogen , nitrate - nitrogen , total kjeldahl nitrogen , ortho - phosphate , total phosphorus , and silica . more recently , in 2001 , two further parameters relating to eutrophication were added . these are the plant pigment parameters of chlorophyll - a and pheo - pigment
多年來我們根據七項營養參數水平來評估河水富營養化的可能性：氨氮亞硝酸鹽氮硝酸鹽氮總凱氏氮正磷酸鹽總磷量及硅，于2001年我們增加了兩項關于富營養化的植物色素新參數：葉綠素- a及葉綠素分子色素。
