有效氮的英文

• available nitrogen

• "有效"英文翻译    effective; valid; efficaciou ...
• "氮"英文翻译    nitrogen
• "等效氮压" 英文翻译 :    equivalent nitrogen pressure; equivalentnitroge re ure
• "等效氮气压力" 英文翻译 :    equivalent nitrogen pressure
• "有效" 英文翻译 :    effective; valid; efficacious 采取有效措施 take effective measures; 这张车票3日内有效。 this train ticket is valid for three days.; 有效半径 effective radius; 有效保险 insurance in force; 有效成分 active principle; active constituent; 有效范围 effective range; limits of validity; 有效功率 effective power; 有效能 available energy; 有效时间 effective time; net time; 有效寿命 useful life; actual life; 有效数字 significant digit; significant figure; 有效载荷 payload
• "有效性，有效期" 英文翻译 :    validity
• "（有效）及" 英文翻译 :    net in
• "对有效" 英文翻译 :    to work on
• "反有效" 英文翻译 :    contravalid
• "否有效" 英文翻译 :    inefficient
• "更有效" 英文翻译 :    actions speak louder than words
• "很有效" 英文翻译 :    to good purpose; togoodpurpose
• "生效, 有效" 英文翻译 :    be in force
• "使有效" 英文翻译 :    effectuate; give effect to; validate
• "适用,有效" 英文翻译 :    hold true
• "太有效" 英文翻译 :    too effective
• "未有效" 英文翻译 :    not yet in effect
• "有效，实施" 英文翻译 :    be in force; （be）in force
• "有效；适用" 英文翻译 :    hold true
• "有效版" 英文翻译 :    effective edition
• "有效比" 英文翻译 :    available ratio; effective ratio
• "有效必" 英文翻译 :    v useful power
• "有效波" 英文翻译 :    effective wave; significant wave
• "有效场" 英文翻译 :    effective field
• "有效词" 英文翻译 :    acceptable term; significant words

• A preliminary study on the dynamics of bio - available nitrogen in soils of pine - broadleaf mixed forest in dinghuashan biosphere reserve
  鼎湖山马尾松针阔叶混交林土壤有效氮动态的初步研究
• The yearly burning raised soil pll , available n and k and reduced soil organic mater , total n , total p , available p and ca
  连年火烧迹地土壤ph值升高，有机质、全氮、全磷、速效磷、钙的含量均有所下降，而有效氮、有效钾的含量有所增加。
• Soil ph , available n and mg increase on burnt sites following the first rainfall , however , soil organic matter , total n , total p , k and ca decrease
  火烧迹地在降第一场雨后土壤ph值升高，有机质减少，全氮、全磷、钾、钙等含量减少，而有效氮、镁含量增加。
• For nutritional substance exists in organic state with weak process of mineralization , the available elements are low , especially a lack of available nitrogen and phosphorus , the soil condition can not meet the needs of plant growing
  。有机质含量高，其总氮总磷和钾的储量较丰富。由于矿化作用弱，营养物质缺乏，特别是有效氮和有效磷的缺乏难以满足植物的生长。
• The contents of available p are increasing along with depth increasing . the contents of soil available k have the similar trend under different site types , that is , the contents surface layer about 0 - 40cm is higher than sub layer
  刺槐林土壤全氮、有效氮含量表现出和有机质相似的变化规律，表层土的全氮、有效氮含量最高，随着土层深度的增加，土壤全氮、有效氮含量随着减小。
• The available nutriments contents of soils in all the cropping plots descended too . the nutriments saturations of run - off were far lower than that of sediment . total nitrogen and available nitrogen contents of the run - off from the plot ii were the highest among the four plots
  第2小区的3种径流养分中，全氮和有效氮含量都明显比其它小区高，第3 、 4小区的径流水样中的速效磷养分含量较其余两小区高。
• The effects of forest fires on soil moisture content , separate coefficient , porosity , water - retaining capacity , organic matter , available n , available ca , fungi and fine root significantly varied between the years after burning . the effects of forest fires on soil separate coefficients , porosity , saturated water - retaining capacity , available mg , fine root significantly varied between the fire intensity
  火烧后年限对土壤含水率、分散系数、孔隙度、持水量、有机质、有效氮、有效钙、真菌、细根系生物量的影响有显著差异；火烧强度对上壤分散系数、孔隙度、饱和持水量、有效镁、细根系生物量的影响有显著差异。
• The available phosphorus contents of the run - off from the plot iii and plot iv were higher than that of other two plots " run - off . the nutriments of sediments from the four plots were higher than the nutriments of soil in the plots . the plot ii and plot iv had the higher enrichness degree of total nitrogen than the other two plots ; the available nitrogen enrichness of sediments from plot iv was the highest , that of from plot illwas the lowest ; the available phosphorus enrichness of sediments from plot iv was the highest , that of from plot illwas the lowest ; the available potassium enrichness of sediments from plot ivwas the highest , that of from plot ii was the lowest
  泥沙各种养分含量均高于小区内耕作层土壤中的相应养分含量，表现为：第2 、 4小区的流失土壤全氮养分富集度高于其余两个小区；第4小区流失土壤有效氮富集度最高，第2小区次之，而第1小区和第3小区的流失土壤有效氮含量与区内耕层土壤相似；各小区流失土壤中速效磷富集度为第4小区最大，第3小区最小；而第4小区耕层土壤中在流失过程中速效钾西南农业大学二oo二届硕士学位论文一积累量最大。
• Under 40cm , the contents are about 60mg / kg . 3 . under the different site types , the contents of soil organic matter , total n , available n , p , k have no obviously difference . but the height of the robinia pseudoacacia , the cap of the robiniapseudoacacia , the diameter of the robinia pseudoacacia above one meter of ground , the length of new branch have the similar disciplinarian : semi - shady > sunny > semi - sunny no matter what may , july , september
  不同立地条件下土壤有机质、全氮、有效氮、速效磷和速效钾含量差异不显著，但刺槐的株高、冠幅、胸径、新枝却有明显的差异，无论是5月份、 7月份还是9月份、其株高、冠幅、胸径、新枝长度从大到小顺序均是：半阴坡半阳坡阳坡。
• There are two driving factors which are population density ( x1 ) and gdp ( x2 ) . from spatial analysis , another regression equation showing spatial scale land use change is established . 11 spatial driving factors are derived from 47 indexes , that are x1 slope ( % ) , x2 organic matter ( % ) , x3 soil available n ( g / kg ) , x4 soil available p ( g / kg ) , x5 soil texture ( 1 - 4 ) , x6 production value in unit area of arable land / production value in unit area of other land , x7 production value in planting industry / production value in whole agricultural industries ( % ) , x8 average farmer income from agricultural industries / farmer whole income ( % ) , x9 average farmer income from planting industry , x10 crop yield of average farmer , x11 population density
  邯郸地区耕地变化时间和空间驱动因素分析表明：耕地面积的变化驱动因子为x1人口密度和x2人均gdp ；空间上经逻辑斯谛( logistic )回归分析，从47个驱动因素中发现11个决定耕地空间分配的驱动因素： x1为地表坡度( ) ， x2为有机质含量( ) ， x3为土壤有效氮含量（ g kg ） ， x4为土壤有效磷含量（ ykg ） ， xs为土壤质地， x6为农地单位面积产值非农地单位面积产值， x7为种植业产值l农业总产值（ ） ， xs为农民人均农业总收入农民人均总收入（ ） ， xg为农民人均种植业收人， x10为人均粮食产量， xll为人口密度，并建立回归方。