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nitrate-nitrogen中文是什么意思

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用"nitrate-nitrogen"造句"nitrate-nitrogen"怎么读"nitrate-nitrogen" in a sentence

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  • 硝态氮

例句与用法

  • Water quality - determination of nitrate - nitrogen gas - phase molecular absorption spectrometry
    水质.硝酸盐氮的测定.气相分子吸收光谱法
  • Study on nitrate - nitrogen removal and community analysis of denitrifying bacteria in downflow fixed - bed bioreactor
    下流式固定床反应器中反硝化细菌类群及其脱氮效率分析
  • 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“垦农4号”为材料,利用锰浸种和初花期叶面喷施,在小区试验的条件下研究了锰对大豆根系伤流量、伤流液中硝态氮和氨基酸含量调控的效应。
  • 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
    不同浓度锰浸种对大豆伤流液中硝态氮与氨基酸含量影响不是很明显;适量锰叶面喷施可明显促进大豆伤流液中硝态氮与氨基酸含量,使其高于对照与高浓度锰处理。
  • 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
    多年来我们根据七项营养参数水平来评估河水富营养化的可能性:氨氮亚硝酸盐氮硝酸盐氮总凯氏氮正磷酸盐总磷量及硅,于2001年我们增加了两项关于富营养化的植物色素新参数:叶绿素- a及叶绿素分子色素。
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