NO3-,nitrate英语短句,例句大全

NO3-,nitrate
NO-3NO3-
1.In the rapid ion-chromatographic determination of PO3-4,SO2-4 and NO-3 anions in the drink "Coca Cola",the combining use of the columns of Dionex IonPac AS14 and IonPac AG14 was substituted by the single used of the IonPac AG14A,as chromatographic column which made the 3 anions separated satisfactorily within 3 min.在离子色谱法测定可口可乐饮料中3种阴离子(PO43-,SO42-及NO3-)时,单独用Dionex IonPac AG14A柱代替常规方法中的联合用两柱Dionex IonPac AS14及IonPac AG14作色谱柱。
2.The removal and optimum removal conditions of Cl-,NO-3 and NO-2 in water by modified bauxite were studied.对铝土矿改性后,对去除水中Cl-,NO3-和NO2-3种阴离子效果进行了研究,确定了改性铝土矿去除3种阴离子的最佳条件。
3.Flow injection analysis is used to detect the contents of NO-2 and NO-3 in fishpond water samples.采用流动注射技术测定鱼塘水样中的NO2-和NO3-含量,以对氨基苯磺酸和甲萘胺盐酸盐为显色剂,在510 nm下比色测定NO2-的含量,而NO3-则在稀醋酸条件下用锌粉将其预还原成NO2-后,也在上述相同的条件下测定其含量。
3)NO_3~-NO3-
1.The content of NO_3~-is an important indication to measure if ground water is polluted.NO3-的含量是衡量地下水是否受污染的重要标志之一,地下水污染是影响环境保护的重要因素。
2.In this paper we studied the NO_3~- and NH_4~+ s absorption absorption character about Tianyan 7 and Tianyan 8 in different period.主要对甜研7号和甜研8号在不同时期对NO3-和NH4+的吸收特性进行研究,发现子叶期甜研7号和甜研8号对NO3-与 NH4+的吸收量有着较大的差异。
3.Study on Behavior of Fe~(3+),NO_3~- in Photocatalytic Degradation of Methyl Orange;分别研究了Fe(NO3)3、HCl、FeCl3、HNO3作催化剂时,甲基橙在紫外光照射下的降解情况以及甲基橙降解过程中无机阴离子的变化情况,通过分析对比发现:Fe3+和NO3-在紫外光照射下对甲基橙都具有很好的光催化效果。
4)NO-3-NNO3-N
1.Five years average concentrations of NO-3-N,NH+4-N,and Total Inorganic Nitrogen(TIN) in wet depositions in Huizhou City are 0.结果表明,近5年惠州市湿沉降平均NO3--N含量为0。
2.Effects of combining application of nitrogenous,phosphorus and potassium fertilizers on the cumulation of NH+4-N and NO-3-N in soil profile,the yield and quality of flue-cured tobacco were studied according to the field experiment.通过大田试验研究了不同氮磷钾配施对NH4+-N和NO3--N在植烟土壤中累积及烤烟产量品质的影响。
3.Among the DN concentration of NH+4-N was lower than that of NO-3-N in general,and the former.结果表明:稻田氮素径流损失的主要形态是溶解态氮(DN),DN中的NH4+-N浓度基本低于NO3--N浓度,NH4+-N浓度受施氮水平的影响,而NO3--N浓度不受施氮水平的影响。
5)Nitrate[英]['na?tre?t][美]['na?tret]NO3-N
1.The effects of ammonia,nitrate and pH on the growth of Salvinia natans L.)为研究对象,在Hoagland培养液的基础上模拟生活污水中NH4+-N和NO3--N的浓度以及pH,研究了培养条件对槐叶萍生长的影响。
6)NO~-_3-NNO3-N
1.This paper studied the removal effects of NH~-_4-N,NO~-_3-N,TN and TP by the integrated subsurface flow-upward vertical flow constructed wetland process.研究了潜流-上行垂直流复合人工湿地工艺对NH4+-N、NO3--N、TN和TP的去除效果。
2.Considering the target yield level,FW 84 t/ha,in spring,the rate of N supply(soil NO~-_3-N in root zone + N through irrigated water + sidedressed N) were N 300 kg/ha of e.试验设计为:当春季目标产量为84 t/hm2时,在第一、二、三穗果膨大期每次追肥时采用N 300 kg/hm2的氮素供应目标值(0—30 cm土层NO3--N+灌溉水带入氮素+追施化肥氮素),之后每次追肥采用N 200 kg/hm2的氮素供应目标值;当秋季目标产量为75 t/hm2时,在第一、二、三、四穗果膨大期每次追肥时采用N 200 kg/hm2的氮素供应目标值,之后每次追肥采用N250 kg/hm2的氮素供应目标值。
3.5) and N forms(NH~+_4N,NO~-_3-N) on arenchyma formation in roots of five rice genotypes.以NO3--N为单一氮源时,近中性条件(pH 6。