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The result shows that the recycling effluent upgrades significantly the removal for BOD_5,COD,SS,and NH~+_4-N,and BOD_5 removal rate meets the Monod equation;most part of NH~+_4-N is nitrified and the removal rate of NH~+_4-N is linear with the surface loading rate.Along with the nitrification,alk...

结果表明:循环出水显著提高了对BOD5、COD、SS和NH+4-N的去除率,且对BOD5的去除满足Monod方程;大部分NH+4-N的去除率与其表4-N被硝化,对NH+面负荷率呈线性关系;随着硝化反应的进行,碱度减少,pH值不断降低;循环出水可引入部分氧气,延长了污染物和附着于植物根系微生物的接触时间,提高了对污染物的去除率。

The nitrogen removal experiment implies that the nitrogen removal efficiency is very high. The ratio of NH_4~--N/TN is approximately equal to the ratio of TN removal. TN removal efficiency is mainly affected by the influent NH_4~--N concentration, and the optimal TN removal efficiency can be prejudged by the ratio of influent NH_4~--N/TN.

通过对反应器的脱氮研究,发现该反应器的NH_4~--N去除率非常高,发现进水NH_4~--N/TN的百分比值基本上与总氮的去除率一致,脱氮的效果基本取决于进水氨的浓度,最佳的TN的去除效率能通过进水的NH_4~--N/TN比例来判断。

The results were as follows. At the temperature of 25~30C,initial pH value of 7.5~8.0,alkalinity of NaHCO3 concentration 1700mg/L, NH4+-N concentration of 150mg/L,aerations of 110rpm, cultured 24h,immobilized nitrite bacteria N4s NH4+-N removal efficiency reached 99.47%,accumulative volume of NO2--N was 116.65mg/L.

试验结果表明:固定化亚硝化细菌N_4在温度25~30℃,起始pH值7.5~8.0,摇瓶转速110rpm,碱度为NaHCO_3浓度1700mg/L,初始NH_4~+-N浓度150mg/L,培养24h,NH_4~+-N去除率达99.47%,NO_2~--N积累量达116.65mg/L。

The results of continuous experiments with BAF show that: the short nitrification occurs when the Qair/Qinfluent ratio is 4:1 with NO_2~--N accounting for 72% of NOx--N; the suitable recirculation rate is 200%; the ratio of external acetate dose to NH4+-N concentration is 2:1 attributing to the short nitrification; BAF needs being backwashed when the headloss increases to 6 cm every 17~20 days; in the water reuse context, 98.7% water yield can be obtained.Lastly, the long-term operation of SBR-BAF system indicates it can treat the wastewater efficiently.

BAF反应器连续流试验结果表明:最佳气水比为4:1,硝化类型以短程硝化为主,NO_2~--N占到NOx--N的72%;综合考虑对TN的去除率和动力消耗,最佳回流比为200%;最佳缺氧/好氧容积比为3:5;由于短程反硝化较全程反硝化碳源需求量低,在BAF反应器进水NH4+-N 40mg/L左右的情况下,乙酸钠投加量为80mg/L以COD计设定水头损失达到6cm时进行反冲洗,随水温不同,反冲洗周期为17~20d,产水率为98.7%。

Theoretical analysis and experimental results suggest that its coding accuracy based on a N-sized codebook is comparable with that of the conventional vector quantization with a N〓-sized codebook, and much better than multi-stage VQ based on two N-sized codebooks, whereas its computational complexity is much lower than the latter ones.

理论分析和实验结果表明:码书大小为N的线上投影法的编码精度与码书大小为N〓的矢量量化法相当,并且明显优于用两个大小为N的码书构成的两级矢量量化法,而其码书生成和编码的计算复杂度远低于后者。

The results showed that in CHINARE 6, the consumptions of NO 3 N、PO 4 P、SiO 3 Si were 1064.8、69.2、2196.9mmol/m 2,the uptake ratio of N and Si to P were 15 3, 31.7,respectively, and new production was 992.4 mgC/(m 2·d); and that in CHINARE 9, the depletions of NO 3 N、PO 4 P was 551.9、41.2mmol/m 2,respectively,the uptake ratio of N to P was 13.4,and the new production was 390.1 mgC/(m 2·d),indicating significant annual and /or seasonal variation.

结果表明在CHINARE-6期间,NO3-N、PO4-P、SiO3-Si消耗分别为1064.8、69.2、2196.9mmol/m2,NP、SiP吸收比分别为15.3、31.7,平均新生产力为992.4mgC/(m2d)。在CHINARE-9期间,NO3-N、PO4-P消耗分别为551.9、41.2mmol/m2,NP吸收比为13.4,平均新生产力390.1mgC/(m2d),表现出很大的季节和/或年际变化。

METHODS: According to the monitoring result of ambulatory blood pressure, 112 patients were divided into three groups: dippers (n=37), non-dippers (n=45), and reverse-dippers (n=30). AASI was determined in all the patients.

根据动态血压检测结果将112例老年高血压病患者分为杓形组(n=37)、非杓形组(n=45)和反杓形组(n=30),并测定及计算动态动脉硬化指数。

The correlation coefficient between the fractal dimension of soil water-stable aggregates in Beibei Karst mountains and organic matter, total N, total K, total P, available N and P and K, total exchangeable base and pH are:-0.617,-0.532, 0.798〓, 0.450,-0.550, 0.724〓, 0.652〓,-0.489, 0.781 (〓: correlation is significant at the 0.01 level,〓: correlation is significant at the 0.05 level) respectively.

北碚岩溶山地表层土壤的水稳性团聚体分形维数与有机质、全N、全K、全P、速效N、速效K、速效P、交换性盐基总量、pH的相关系数分别为-0.617、-0.532、0.798〓、0.450、-0.550、0.724〓、0.652〓、-0.489、0.781(**:α=0.01水平显著;*:α=0.05水平显著):对26个样地60个样品的水稳性团聚体分形维数与养分指标的相关分析表明,分维值与有机质、速效N、全N的相关系数分别为-0.410、-0.452、-0.522,达到显著水平。

The aggregates cultured on N-cad-Fc-coated dishes compared with gelatin-coated dishes, the expression of cardiac-specific genes cardiac actin and gata-4 were much higher, but the expression on 10 mg/L N-cad-Fc-coated dishes was slightly low than on 2.5 mg/L N-cad-Fc-coated.

与传统预铺有明胶的培养板比较,在预铺有N-cad-Fc的培养板上心肌标志性基因cardiac actin、gata-4的表达均明显升高,但10 mg/L N-cad-Fc的表达量略低于2.5 mg/L N-cad-Fc。

Golden-crowned kinglets tolerated colder temperatures in helox than ruby-crowned kinglets, and this difference was not a function of mass or thermal conductance, as these did not vary significantly between species. Msum in golden-crowned kinglets (2.51 ml±0.32 ml O2min-1, n=11) was significantly greater than that in both male (2.27 ml±0.25 ml O2min-1, n=13) and female (2.05 ml±0.18 ml O2min-1, n=13) ruby-crowned kinglets, suggesting that metabolic differences may account for differences in cold tolerance.

结果显示:金冠戴菊对低温的耐受能力高于红玉冠戴菊,由于金冠戴菊和红玉冠戴菊的体重和热传导差异不显著,表明对低温的耐受能力的差异不是体重和热传导引起的;而金冠戴菊的最大代谢产热(2.51 ml±0.32 ml O2min-1, n=11)明显高于雄性(2.27 ml±0.25 ml O2min-1, n=13)和雌性(2.05 ml±0.18 ml O2min-1, n=13)的红玉冠戴菊,表明最大代谢的差异可能导致对寒冷的耐受能力不同。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。