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- R E F 0 X D 4 N ?L Y .?D H .E U .A D N .L T .N O L W .E H .Y N .Y K E . 本站免费电影;提供最新的免费电影在线观看;所有免费电影地址收集于网络;仅做宽带测试.;相关版权归原著作权人所有
- The detection included COD, NH + 4 N, NO 3 N, NO 2 N, DO, P, pH and heavy metals such as Pb, Cr, Cd, Mn, Zn, Cu, Fe, Al and so on. 监测内容包括 :化学需氧量 (COD)、氨氮 (NH+ 4 N)、硝酸盐 (NO 3 N)、亚硝酸盐 (NO 2 N )、溶解氧 (DO)、磷 (P)、酸度和重金属 (Pb、Cr、Cd、Zn、Mn、Cu、Fe、Al)。
- The NH 4 N in DCD treatment maintained high level, which illustrated that DCD had strong inhibiting effect on nitrification. DCD处理的NH4 N一直保持较高水平 ,说明DCD对土壤硝化过程有强烈的抑制作用。
- Possibly, it is important factors that seawater temperature and NH + 4 N effects the distribution of cyanobacteria in the Bering Sea. 海水温度和NH+ 4 - N可能是影响蓝细菌数量分布的重要因素
- Therefore,the removal of COD ,NH + 4 N and TN from SCAS is improved in comparison with that from the conventional activated sludge process. 添加浮动填料可简易地改造现有的活性污泥法处理系统,以适应更严格的排放标准。
- The consistence of 0 5%, 0 3%, 0 3% is optimal respectively when the DCD is added in order to both hold up the loss and accelerate the transformation of NH 4 N in Purple, Yellow Soil and Aquent. 在紫色土、潮土和黄壤上添加DCD抑制NH4?N 损失和转化的效果分别以0-5 %25 、0-3 %25 、0-3 %25 浓度为最佳。
- The content of total N,NH + 4 N and NO - 3 N varied widely with different organs because of the effects of soil water,nutrient content, atmospheric temperature,vegetable feature and selective absorption to nitrogen,etc. 受土壤水分、养分、气温和植物本身特点及其对N素选择吸收作用等多种因素影响 ,小叶樟、毛果苔草和漂筏苔草 3种植物不同器官中‘三氮’含量变化较大 ,NO-3 N比NH+4 N含量稳定且NH+4 N/NO-3 N >1;
- The esters of 4 n alkylcyclohexyl benzoic acid have higher clearing point than other nematic liquid crystal, it is a good display material for automobile and showed to have great promise. 正烷基环己基苯甲酸酯比其它向列型液晶有更高清亮点,是一种优越的车用显示材料,前景广阔。
- 4-N-benzyl demethyl rifampicin 4-N-苄基去甲利福平
- demethyl rifampicin 去甲利福平
- Synthesis of N benzyl N,N bis(2 hydroxyethyl) N (n butyl) ammonium chloride 李正惠, 正丁基-N-苄基-N,N-二羟乙基氯化铵合成
- Visiting time in this hospital is from 4 to 6. 这家医院的探望时间是从4点到6点。
- Let it be 4:25 tomorrow afternoon. 就定明天下午4点25分吧。
- A monthly is more economical than 4 weeklies. 一张月票比四张周票上算。
- He is remanded on his own recognizance of$4,000. 在保证付款4,000美元后他被还押(以后再出庭)。
- The doors were numbered 2,4, 6 and 8. 这些门编为2、 4、 6、 8号。
- We were routed out of our beds at 4 am. 清晨 4 点钟就把我们从床上叫起来了。
- The next postal delivery is at 4 o'clock. 下一次邮递时间是四点钟。
- He was said to have salted away $4 million. 据说他已积蓄了四百万美元。
- Subtract 3 from 7 and you have 4. 七减三得四。