• The growth of Microcystis aeruginosa had a positive relation with N and P concentration.

    铜绿微囊藻的生长与氮,磷含量呈正相关。

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  • The concentration of nitrate-N increased continuously in soil surface, which resulted in nitrate leaching to groundwater after rewetting.

    土表的硝态氮浓度不断增加,烤田增大了复水后硝态氮向地下水淋溶的趋势。

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  • Under base employ of the coated urea, the total N concentration of farm surface water was near the contract level, and the possibility via runoff was very little.

    结果表明,包膜尿素在基施情况下,田面水总氮浓度始终接近对照水平,通过径流损失的可能性很小。

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  • It was showed that the mean concentration and accumulated amounts of runoff losses of nitrogen were highly correlated with N-application rates.

    结果显示,随施氮量增加,农田径流液中氮素的平均浓度和氮素径流累积流失量提高,两者间呈显著正相关。

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  • The R/T of radish was closely associated with N, P, K concentration.

    氮、磷、钾浓度与萝卜的根冠比大小关系密切。

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  • Besides temperature and concentration of reaction, the heating rate plays an important role on the size and morphology of n-HA crystals.

    研究发现在反应物浓度及配比一定的情况下,反应温度及升温速度对纳米ha晶体尺寸形态有重要影响。

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  • The results show that:(1)Phormidium foveolarum Gom. has ability to absorb and degrade the N-tetradecane and then the concentration of N-tetradecane decreased.

    结果表明:(1)坑形席藻对石油烃具有吸附和降解能力,可以降低基质中的烃浓度;

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  • The results showed: that the petiole nitrate concentration in two cotton genotypes was significantly positive correlated with rates of N applied and yields.

    结果表明:两品种叶柄硝酸盐浓度与施氮量和产量均有显著的正相关关系。

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  • When the concentrations of N-demethylmaprotiline and active moiety are higher than threshold concentration, the possibility of side effects may be increased.

    去甲麦普替林、活性部分的浓度高于阈浓度时,会增加出现不良反应的可能。

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  • 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。

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  • It is found that pore's depth and diameter on n-InP with heavily doped concentration is larger than moderately doped samples.

    本文通过对不同掺杂浓度的样品进行刻蚀,发现重掺杂的样品刻蚀出的孔在深度和孔径上都比中度掺杂的大。

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  • The effects of mud concentration, gas to liquid ratio and the hydraulic resident time on the removal rates of COD and NH3-N were investigated.

    实验考察了污泥浓度、气液比及水力停留时间对生物降解废水中COD和氨氮(NH3 - N)的影响。

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  • A solution culture experiment was conducted to study the dynamics of dry matter accumulation and n, p, K absorption by flue-cured tobacco under different boron concentration.

    采用溶液培养方法,研究了不同硼浓度下烤烟干物质积累动态和养分吸收动态变化特点。

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  • Air stripping had been studied to remove the high concentration of ammonia-nitrogen (NH3-N) from vanadium sesquioxide (V2O3) wastewater in this project.

    本课题研究了吹脱法净化三氧化二钒(V_2O_3)生产过程中产生的高浓度氨氮废水。

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  • The leave was the same change trend as the shoots, but N was higher than Ca in order of element concentration.

    叶片中的矿质元素含量变化与新梢变化相同,但含量顺序上氮高于钙。

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  • Results N demethylation of aminocarb mediated by SLO was found to depend on the incubation time, concentration of the enzyme, concentration of aminocarb and hydrogen peroxide.

    结果SLO对灭害威的脱甲基作用与反应时间以及SLO浓度、灭害威和过氧化氢的浓度呈依赖关系。

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  • 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。

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  • The coking wastewater is an organic one with high concentration of NH3-N and organic substance which are difficult to be degenerated.

    焦化废水是一种氨氮和有机物浓度较高的、难降解的有机废水。

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  • This relationship would influence the NH4-N concentration in effluent. For a BAF with nitrification function, the relationship is very important.

    这种关系直接影响到滤池出水中的氨氮浓度,这一点对曝气生物滤池的运行,具有重要意义。

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  • The effects of concentration of N-VP and light sensitive agent DMT in the grafting solutions and irradiation time on the grafting yield in acid and basic mediums were investigated.

    测定了接枝率与接枝液中N-VP单体浓度、光照时间、催化剂浓度等条件的关系。

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  • The effects of orthophosphoric acid concentration in precursor preparation with n pentanol as reductive agent on vanadium catalyst behavior were studied.

    实验考察了以正戊醇为还原剂的前驱体制备过程中磷酸浓度对催化剂性能的影响。

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  • With different barrier width, barrier height, sub-well width, spacer width and n-doping concentration, the changes of DC characteristics of DBRTDs are observed and analyzed.

    当势垒厚度、势垒高度、子阱厚度、间隔层厚度、掺杂浓度改变时,可以观察到DBRTD直流特性也随之改变。

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  • The reduction speed is increasing along with the concentration of N and P in water, whereas the removal rate of N and P is descending.

    氮磷浓度的降低速率随水体中氮磷浓度的升高而升高,而对氮磷的去除率随水体中氮磷浓度的升高而降低。

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  • These results showed that the formation of diatom resting spores was related not only with N concentration, but also with Si concentration.

    这说明硅藻休眠孢子的形成不仅受氮浓度的影响,还与硅浓度有关。

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  • The percentage increase of blade NRA after cultivated by extra-source nitrate was positively related to the petiole nitrate-N concentration.

    加入外源硝态氮培养后叶片硝酸还原酶活性的增加程度与叶柄硝态氮含量相一致。

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  • The result indicates when analyzing the sample, if using the mass fraction to express the concentration of n…

    如果用质量分数表示氧的浓度,应在进口浓度高于出口浓度时取样,否则存在取样分析误差或滞后现象。

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  • The principal environmental problem of landfill is leachate of which the water quality is complex, with high COD_ (cr) and high heavy metal ion concentration as well as high NH_3-N concentration.

    生活垃圾填埋场对环境的主要影响是垃圾渗滤液,其水质复杂多变,具有高COD含量、高重金属离子和高nh_3 - N含量的特点。

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  • There was a significant increment(P<0.05)in BCP production and significant decreases(P<0.05) in NH3-N concentration and NDF content in the culture residue when the FOS addition level was over 0.60%.

    当添加量在0.60%以上时,可以显著(P<0.05)提高培养液中的BCP含量,显著(P<0.05)降低培养液中的NH3-N含量和培养残渣中的NDF含量;

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  • And the order of element concentration was first n, next K, then Ca, P, Mg, Fe, Mn, Zn and Cu in order.

    在元素含量的顺序上是氮最高,钾次之,随后依次为钙、磷、镁、铁、锰、锌、铜。

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  • Typic Calciorthids with lower SOC concentration had relatively lower C sequestration rate but more significant effects of C and N sequestration compared with Typic Torripsamments.

    SOC含量相对更低的灰棕漠土比风沙土退耕后土壤C、N的增加更为明显。

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