The growth of Microcystis aeruginosa (as a sell nutrition plant) had no relation with C resource but had a positive relation with N and P concentration.
而微囊藻作为一种自养的光合植物,其生长与水中的C源无关,与氮磷浓度有关。
The results indicated that the semivariogram of total C , available N and available K were best described by the Gaussian model, while available P was best fitted by the Spherical model.
结果表明,海伦黑土全碳、碱解氮和速效钾半变量函数曲线的理论模型符合高斯模型,速效磷的理论最佳模型为球状模型。
The results of grey relational analysis revealed that the content of soil nutrients, in particular C and N, had a major effect on avail-P.
灰色分析的结果表明,土壤速效磷的形成主要受到土壤养分,尤其是碳、氮养分的影响。
Thesequence of leaching loss from forest floor was K>organic C>total N>total P.
枯枝落叶层的养分淋失量以全K最大,其次为有机质、全N、全P。
As an important component of the ecosystem of the soil microbes, involved in the complex of soil organic matter decomposition and re-synthesis, the promotion of c, n, s, p, etc. cycle.
作为生态系统重要组成部分的土壤微生物,参与土壤中复杂有机物质的分解和再合成,促进C、N、S、P等的循环。
Results showed that soil microbial biomass C, N, P significantly decreased after addition of atrazine. As composed with control, microbial biomass C, N and P decreased averagely 13.5%, 10.1%, 20.0%.
研究结果表明,在整个培养过程中,仅加莠去津的土壤中微生物生物量碳、氮、磷的含量均显著降低,与对照相比,分别平均降低了13.5%,10.1%,20.0%。
The growth of influent C/N and C/P inhibited the proliferation of the activated sludge by decreasing the influent TN and TP concentration and thereby inhibited the phosphorus release and uptake rates.
C/N和C/P的增长使系统进水TN、TP浓度降低,对活性污泥的增殖有抑制作用,进而使厌氧释磷速率和好氧吸磷速率降低。
Confidence is incorporated into the P-S-N curves by a statistical principle of linear regression method and the C-P-S-N curves are then obtained.
考虑了常规p - S -N曲线预测结果的可信性,应用线性回归统计分析原理,将置信度引入到常规p - S - N曲线中,从而得到C - P - S - N曲线。
The nutrient return of the litters was closely related to the nutrient contents of the litters. The litter C/N ratio and P content could be the key indices for the litter decomposition.
竹林凋落叶的养分含量对凋落物养分归还有重要影响,尤其是C/N和P可能作为竹林凋落物分解的指示者。
The results show that C, P, N, S doped anatase TiO2 all can cause the absorption band of optical catalysis to red-shift, the absorpotion coefficient in the visible light r.
计算结果表明,C、P、N、S掺杂锐钛矿TiO2都能使TiO2的光催化吸收带在一定程度上红移,并在可见光区有一定的吸收系数。
The microbial biomass C and N in rice-fish paddy fields is remarkably higher than those in control paddy fields, both at significance level P <0.01;
养鱼水田的土壤微生物生物量C和N明显高于对照水田,均达到极显著差异水平(P〈0.01);
The microbial biomass C and N in rice-fish paddy fields is remarkably higher than those in control paddy fields, both at significance level P <0.01;
养鱼水田的土壤微生物生物量C和N明显高于对照水田,均达到极显著差异水平(P〈0.01);
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