• 重点监测控制的优先污染物

    T-N, T-P and Zn were the priority pollutants to be monitored and controlled in Dongta.

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  • 本实验创立了水产养殖池塘底泥含量简易测定分别称为总氨硝酸盐法。

    Two alternative methods measuring total nitrogen of aquaculture pond soils, named total Ammonia method and Nitrate method, were established.

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  • 叙述似三元相计算尿素工艺中减压加热分解工序中的甲铵分解率、总氨蒸出率以及分解后的气组成方法。

    The nomograms provided can be used to calculate the above parameters under the conditions of various decomposition pressures and heating temperatures in the traditional aqueous solution

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  • 硝氮负荷进行MQ回归,提炼回归方程

    Regress the load of nitrate, ammonium and total nitrogen by MQ equation.

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  • 应用A/O中试装置处理实际生活污水研究了DO浓度下系统对有机物、氮的去除效果

    The COD, ammonia and total nitrogen (TN) removal efficiency were studied in the paper at low DO concentration in a pilot-scale A/O nitrogen removal plant treating domestic wastewater.

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  • 硬度固体硝酸盐氮显著正相关,与氮未表现出相关关系。

    Total hardness and total solids appear positive correlation with nitrate, but no correlation with ammonium.

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  • 目的观察白芍联合较小剂量蝶呤治疗老年起病类风湿关节炎(EORA)疗效安全性

    Objective it is to observe the curative effect and safety of total glucosides of paeony (TGP) combined with low dosage methotrexate on elderly onset rheumatoid arthritis (EORA).

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  • 结论白芍联合较小剂量蝶呤治疗老年起病类风湿关节炎有效安全方案

    Conclusion TGP combined with low dosage methotrexate is effective and safe scheme on elderly onset rheumatoid arthritis.

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  • 结果表明深度处理工艺污水中CODBOD悬浮物度、OIL等均很好的去除效果

    The results show that in-depth treatment process have good removal effect for the COD, BOD, total phosphorus, ammonia nitrogen, suspended particulate, turbidity, OIL and total iron of waste water.

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  • 去除原理主要沸石离子吸附作用与离子离子交换作用,前者强于后者

    The removal function is based on the absorption of zeolite for nonionic ammonia and on the ion-exchange of zeolite with ionic ammonia , and the former is always stronger than the latter .

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  • 变换反应过程消耗大量蒸汽蒸汽消耗量合成生产蒸汽消耗量30%以上。

    A large amount of steam will be consumed in the course of its shift reaction, and its consumption of steam is more than 30% of the amount steam of synthetic ammonia production.

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  • 主要污染物

    The key pollutants are total phosphorus and ammonia nitrogen.

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  • 室内空气污染物主要甲醛挥发有机物(TVOC)、

    Indoor air pollutants are formaldehyde, radon, ammonia, total volatile organic compounds (TVOC), such as benzene.

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  • 我们传统甲醛—硫酸法进行了改良将新的甲醛—硫酸运用于硝酸尿素金属络合物中的含量测定中。

    We also improved the conventional formol-H2SO4 titrimetric method, and applied it into the determinations of the contents of amide nitrogen and total nitrogen in urea nitrate metal complexes.

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  • 结果:7- 基-3-去乙酰氧基头孢烷酸(7-ADCA)苯甘酸邓钠反应,只需要一步结晶即可得头孢苄,收率89.4%。

    Result: Through the reaction of 7-ADCA and Dane Salt, one step crystallization gives Cefalexin with the total yield 89.4% .

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  • 结果:7- 基-3-去乙酰氧基头孢烷酸(7-ADCA)苯甘酸邓钠反应,只需要一步结晶即可得头孢苄,收率89.4%。

    Result: Through the reaction of 7-ADCA and Dane Salt, one step crystallization gives Cefalexin with the total yield 89.4% .

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