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- Keywords East China Sea;offshore water anality;inorganic nitrogen measurement;uncertainty; 东海;近海水质;无机氮类测定;不确定度;
- inorganic nitrogen measurement 无机氨类测定
- There is the potential of uptake of soil, inorganic nitrogen by the roots of the semi-parasite. 半寄生的根系有可能吸取土壤的无机氮。
- Maize straw returning to the field can increase the soil total nitrogen and inorganic nitrogen content. 秸秆还田增加了土壤全氮和无机氮含量。
- Among those kinds of autotrophic-salt,the standard of Inorganic nitrogen is seriously overproof for 66%. 其中无机氮严重超标达66%25,无机氮与叶绿素的关系在枯水期、丰水期呈正相关;
- Total inorganic nitrogen levels also went into significant decline after 2002, particularly in the eastern part of the Harbour. 此外,总无机氮水平在2002年开始也出现显著下降趋势,其中以海港东部水域的变化尤为显著。
- BTW 4 1 was difficult to use inorganic nitrogen for growth, however its spore germination rate was high in solution containing peptone and yeast juice. BTW41对无机氮源的利用不好 ,在蛋白胨、酵母汁中的萌发率极高。
- The nutrimental level in the Niyu Island and the Sanpan Island are the highest,because the inorganic nitrogen in the waters is too high. 结果表明,丰水期水体中营养盐含量明显高于平水期,霓屿海域和三盘港海域富营养化最为严重,无机氮是水质富营养化的主要因素。
- The offshore and coastal zones in Zhejiang,Liaoning,Guangdong and Fujian provinces are the ones with frequent red tides,mainly affected by inorganic nitrogen and phosphate. 浙江、辽宁、广东、福建等近岸、近海海域为赤潮多发区。赤潮频繁发生海域多为受无机氮和磷酸盐污染较重的海域。
- The offshore and coastal zones in Zhejiang, Liaoning, Guangdong and Fujian provinces are the ones with frequent red tides, mainly affected by inorganic nitrogen and phosphate. 浙江、辽宁、广东、福建等近岸、近海海域为赤潮多发区。赤潮频繁发生海域多为受无机氮和磷酸盐污染较重的海域。
- In addition, it shown that nitrification might be an important factor to control the distribution of inorganic nitrogen in surface sediments in the tidal flat ecosystem. 沉积物中可交换态无机氮含量变化特征显示,在盐度变化剧烈的潮滩生态系统内,硝化作用可能是控制沉积物(尤其是表层沉积物)中无机氮分布的重要因素。
- Therefore, soil inorganic nitrogen accumulation was increased significantly by N application, but was significantly reduced by legume/cereal intercropping. 因此，施氮肥显著增加土壤无机氮的累积，而豆科/禾本科间作减少了土壤无机氮的残留。
- The effect was studied by mixed culture on adding some inorganic nitrogen and inoculation about feeding protein content of fresh pomace with sterilization and without sterilition. 采用混合培养法研究接菌、加氮对未灭菌和灭菌鲜苹果渣发酵生产饲料蛋白的影响。
- Except inorganic nitrogen, Cu, Pb, Zn concentrations which exceeded the grade of clean seawater in Xiamen state natural protection zones for marine endangering animal, other elements and sedimentary matter concentrations accorded with the standard. 厦门国家级海洋珍稀物种自然保护区水质中除无机氮、铜、铅、锌含量超过清洁海域水质标准外，其他要素和沉积物要素含量符合清洁海域标准。
- The content of inorganic nitrogen and the NH4+ /NO3- ratio greatly affected multiplication and subculture of sweet cherry in vitro. Low NH4+ /NO3- ratio was beneficial to producing tube plants with normal shape leaves. 培养基中无机氮含量和NH4+/NO3-比例对于甜樱桃试管苗增殖继代具有重要影响,降低NH4+/NO3-比例有利于产生叶片形态正常的试管苗植株。
- The result of study on effect of sugar and inorganic nitrogen to rooting of elm tip in tissue culture showed that rooting rate of new tip was higher in higher sugar level medium than in lower sugar level medium. 研究糖和无机氮源对白榆组培新梢不定根形成的影响 ,结果表明 ,含有高浓度蔗糖的培养基比低浓度蔗糖的培养基新梢生根率高。
- Concentrations distributions of dissolved inorganic nitrogen(DIN) and NO~-_3-N in overlying water varied seasonally,which got their maximum concentration in October 2004 while the NH~+_4-N concentration showed a little difference. 上覆水中溶解无机氮(DIN)和NO3--N含量的季节变化趋势一致,在2004-10达到峰值,NH4+-N的季节变化稍有不同;
- Correlation between dissolved inorganic nitrogen (DIN) and abundance, biomass was positively significant at 0.01 level and in spring, but in summer and autumn was negatively (p<0.01). 无机氮(DIN)与丰度以及生物量在春季呈显著正相关(p<0.;01);在夏、秋季呈显著的负相关(p<0
- In spring and autumn, inorganic nitrogen in depth is a positive correlativity with Aou but a negative one with temperature. This shows that the changes of concentration of inorganic nitrogen depend mainly of biological process. 春、秋季底层氮与Aou呈正相关;与水温呈负相关;表明其含量变化主要依赖于生化过程.
- In the Guangzhou sea area, the annual average concentrations of dissolved inorganic nitrogen (DIN), phosphorus (PO_4~(3-)-P) and silicate (SiO_3~(2-)-Si) were 1.63 mg/L, 0.043 mg/L and 2.59 mg/L, respectively. 广州海域DIN、PO_4~(3-)-P和SiO_3~(2-)-Si年平均值分别为1.;63mg/L、0
