查询词典 tn

The vertical distributions of the TN, TP and TOC contents increased from the bottom to surface layers in the study areas and the variation range in upper layers was greater than that in lower layers.

该三个因子的含量均从底层至表层呈增加趋势，但网箱养殖区上层增加幅度最为剧烈，贝类区次之，对照区变化幅度最小。

Based on the laboratory building the small aquatic ecosystem, removal efficiency of total nitrogen and total phosphorus by Acorus Calamus, Tonina Fluviatilis and Hygrophila difformis with submerged and emerged cultivation was researched. The results showed that the content of TN was 68.43-279.31 and 23.44-170.13mg in shoots and in roots, respectively.

通过在室内构建小型水生生态系统，研究了挺水和沉水培养模式下大水剑、太阳草、水萝兰3种水生植物体内氮磷含量及去除生活污水中氮磷的能力。

The content of TP was, 9.11-42.79mg and 10.81-28.71 mg in shoots and in roots, respectively. The highest content of TN and TP was in Hygrophila difformis and then Tonina F1uviatilis, the lowest in Acorus calamus.

结果表明，3种水生植物地上部和地下部氮累积量分别在68.43-279.31mg和23.44~170.13mg之间；地上部和地下部磷累积量分别在9.11~42.79mg和10.81~28.71mg之间。

Wanfenghu reservoir has been polluted seriously, and waters are in a severe eutrophication condition. Whether physico-chemical indexes or biological indexes appraisal, it proved that the water quality of Wanfenghu is between IV-V. Wanfenghu contains high TN and TP which are 5 to 6 times of the national standard content, and the quantities construction of phytoplankton communities is deeply disequilibrium, the Cyanophyta and Charophyta occupying overwhelming

万峰湖水库已经受到了严重污染，水体处于严重富营养化状态，其水体中的溶解氧的三季变化范围在2.92-5.3mg·L之间、化学耗氧量三季平均值为34.77 mg·L~(-1)、总氮三季平均值为2.5 mg·L~(-1)、总磷的三季平均值为0.35 mg·L~(-1)、叶绿素a含量的三季平均值为23.64 mg·m~(-3)，以上各指标表明万峰湖水库水体处于Ⅳ-Ⅴ类水质；无论从浮游植物的群落数量上还是浮游植物种类组成上看，蓝藻和绿藻都占绝对优势，而其它各种藻类极少，是典型的蓝-绿藻型水

The results showed that attached Cladophora oligoclona grew quite well and had high removal rates of N and P in the eutrophic lake water at the concentrations of TN 10.512mg/L, NH4-N 8.563mg/L, TP 0.856mg/L and PO4-P 0.573mg/L.

结果显示，刚毛藻在原始浓度总氮10.512mg/L和总磷0.856mg/L的富营养化湖水中能维持正常的生长代谢，并能有效去除水体中的N、P养分。

It is shown from the assessment results that (1) both the TN and TP fluxes discharged from the Changjiang River to the Changjiang River estuary sea area increased continuedly, the DIN concentration in the sea areas increased continuedly, and the Si concentration decreased continuedly, which resulted in the significant changes in N/P/Si ratios;(2) the chlorophyll a concentration in the sea areas increased continuedly, and the significant changes in community structure of phytoplankton occurred;(3) the species and biomass of benthos declined greatly, and the bottom oxygen-poor water area increased significantly;(4) the range and occurrence frequency of red tide events in the sea areas increased greatly, and the algal toxic infection events of mussel were frequently found in the sea areas.

结果表明，长江向长江口海域输送总氮和总磷通量持续增大，长江口及其邻近海域无机氮浓度持续增高而硅浓度持续下降，并由此导致N/P/Si与比值的显著变化；该海域叶绿素a浓度持续增大，浮游植物群落结构也发生了显著变化；该海域底栖生物种类和生物量都大大减少，底层水低氧区面积也显著扩大；该海域赤潮事件无论是规模还是频率都大大增加，藻类毒素DSP/PSP贻贝传染事件也时有发生。

Methods Retrospectively analysised the data of 78 patients with idiopathic TN treated by MVD, and approached pathogenesis,method of operation, indication of operation, counterindication and announcements.

方法对78例原发性三叉神经痛患者实施显微神经血管减压术，并讨论其发病机制、手术方法、手术适应证、禁忌证和手术注意事项。

Had high absorptive capacity in high concentrations of TN, while Eichhornia crassipes system had high absorptive capacity in high concentrations of TP.

比较而言，水芹系统对高浓度氮的吸收能力强，水葫芦系统对高浓度磷的吸收能力强。

Reticulatum has higher ability to remove N and P in eutropic water bodies and treated sewage waste water; and the highest removal rates are 67.3% and 91% respectively during 6 days treatment.The removal amount of N or P per wet weight increases with increased N or P concentration under N and P contents between 4.2-50.4 mg/L and 0.186-2.232 mg/L. In op...

在含4.2－50.4mg／LN、0.18oh2.232mg／LP条件下，单位湿重的水网藻对N、P的去除能力随N、P浓度的增加而增加温度对水网藻N、P去除能力的影响与生长一致，生长越旺盛，去除能力越强水网藻对门扶乏的自然水体中的N、P去除能力也较强，去除率分别为70％和50％以上；而添加P，对TN、TP的去除率也增加因此，使用水网藻作为富营养化治理植物具有一定的可行性

The precipitation only has faintish negative correlations with N concentrations （p〉 0.05）, but the NH^＋ 4-N has significant positive correlations with NO^- 3-N and TON （p〈 0.05）, and they might have homologue.

结果表明，各形态氮月均浓度之间差别较大，具有明显的季节性，原因主要与人类活动、降水强度及频次、风向、地理位置以及氮氧化物自然排放有关；湿沉降的TN组成以TIN为主（51.38％-98.96％），TIN又以NH^＋ 4-N和NO^- 3-N特别是NH^＋ 4-N为主，降水天气系统的路径在很大程度上影响着降水中各形态氮的组成；降水量与各形态氮浓度均呈较弱的负相关（P〉0.05），而NH^＋ 4-N与NO^- 3-N、TON均呈显著正相关（P〈0.05），它们可能具有同源性。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。