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equivalence point     
相关语句
  等当点
     By use of Potentiometric titration, at the equivalence point,the pH value jumpedand indicated the end point.
     本文应用电位滴定,在等当点附近pH值突跃使指示电极电位发生突跃而指示出滴定终点。
短句来源
     In this paper,we have given a common calculating formulum of the potential atthe equivalence point in an oxidation-reduction titration:E等=(n_1E_1~(of)+n_2E_2~(of))/(n_1+n_2)+(0.059)/(n_1+n_2)log((n_2a)/(n_1b))~a·((n_1d)/(n_1e))~d·[Red_1]~(d-e)·[Red_2]~(a-b)and discussed the applied possibility of the formulum
     本文给出了一个计算氧化还原滴定等当点电位的统一公式:E_等=n_1E_(01)~1+n_2E_(01)~2/n_1+n_2+0.059/n_1+n_2log((n_2a/n_1b))~a·((n_1d/n_2c))~d[Red_2]~(a-b)·[Red_1]~(d-c)并对该公式的应用进行了讨论.
短句来源
     In this paper, the possibility of complexometric titration of microgram amounts of actinide using highly sensitive Tb3+-Tiron fluorescence complex to judge the equivalence point is put forward.
     本文提出了用高灵敏度的Tb~(3+)-Tiron荧光络合物指示等当点,络合滴定痕量锕系元素的可能性。
短句来源
     Sulpha-drug sensitive electrodes have been suggested for the potentiometric titration of sulpha-drugs using a standard sulphuric acid solution as titrant with distinct potential jump at the equivalence point and a maximum error of 0.7%.
     磺胺药物传感电极可用于磺胺药物的电位滴定,用硫酸为滴定剂,等当点处电位突跃明显,最大误差0.7%。
短句来源
     This paper tries to derivate the formula for the titration error of the equivalence reaction according to the characteristic that when the reaction ( mole ratio: 1 : 1 ) takes place near the equivalence point the PH ( PM ) changes are equivalent, and discusses the error of the end point of such reactions and the related calculations with graphs.
     本文试图以摩尔比为1:1型的反应在等当点附近pH(pM)变化具有“对称”的特性,导出其误差公式并结合图解来讨论这类反应的终点误差及其有关计算。
短句来源
  化学计量点
     There is no necessary to ascertain the equivalence point and to standardize the concentration of the titrant.
     滴定时不需要确定化学计量点,也不需要已知滴定剂浓度,而是用单标准比较、标准曲线或线性回归对试样定量分析。
短句来源
     A logarithmic diagram is wed for estimation of the pHValue at theequivalence point and the titration error in some acidbase titrations.
     本文利用浓度对数图确定某些酸碱滴定的化学计量点pH值及终点误差.
短句来源
  等价点
     Determination of specific radioactivity of radioimmunoassay tracer with self-displacement and equivalence point
     放射免疫分析中标记物比放射性的自身取代及等价点法测定
短句来源
     For multiple criteria decision making problem of which the set of alternatives is finite, a concept of efficient equivalence point set is offered, and a method for finding β major in weight efficient solutions and β major in weight optimal solutions through the efficient equivalence point set is proposed
     针对决策方案个数为有限的多目标决策问题,提出了有效等价点集的概念,并给出了通过有效等价点集求解β-较重有效解与β-较重最优解的过程。
短句来源
  “equivalence point”译为未确定词的双语例句
     On the other hand, influences of chitosan solution concentration, viscosity, degree of deacetylation and measuring temperature on the result of equivalence point of two abrupt change conductometric titration were also investigated.
     通过比较双突跃电位滴定法和线性电位滴定法,对脱乙酰度的测定方法进行了讨论,探讨了壳聚糖溶液浓度、粘度、不同脱乙酰度和测定温度等因素对双突跃电位滴定法滴定终点测定结果的影响。
短句来源
     The result obtained showes that BaCl2 could be exceeded by a factor of 0. 2 to 2. 2,precipitation of BaSO4 needn't be removed and alcohol needn't be added to decrease the solubility of BaSO4, indicator colour change is rather sharply in the equivalence point, relative error is less than 1. 0%.
     结果表明:钡可过量0.2~2.2倍,不分离沉淀,无需乙醇等降低沉淀的溶解度,指示剂终点变色较敏锐,测定硫酸根的相对误差小于1.0%。
短句来源
     The equivalence point was easily discriminated. The recovery of ephdrine hydrochloride is 99. 8% ± 0. 8%.
     盐酸麻黄碱回收率99.8%±0.8%。
短句来源
     Accuracy of determination of deacetylation degree of chitosan by two abrupt change conductometric titration was studied, and effects of chitosan solution concentration, viscosity and deacetylation degree on the result of equivalence point were also investigated.
     研究了双突跃电位滴定法测定壳聚糖脱乙酰度的准确性以及壳聚糖溶液质量浓度、粘度、不同脱乙酰度等因素对滴定终点测定结果的影响.
短句来源
     [Results] Using monotonic equivalence point ti-tration,the relative SD of the samples from low to high level was 2.4% - 3.4% .
     [结果]选用MET电位滴定模式,高、中、低不同含量耗氧量精密度测定结果相对标准偏差(RSD)为2.4%-3.4%;
短句来源
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  equivalence point
A titration method which allows simultaneous determination of the equivalence point and assessment of the protein-precipitating capacity of any plant extract was developed.
      
At protein-to-tannin ratios larger than the optimum ratio, or equivalence point, soluble tannin-protein complexes apparently formed instead of insoluble complexes.
      
From the quantitative aspect the pyrogenicity neutralization point corresponds approximately to the equivalence point of the flocculation reaction.
      
A desorption of Eu at pH above the acid equivalence point (pH 6.9) could be an indication of the release of a metal complexing exudate from the bacteria.
      
Equations for the titration curve, accuracy, equivalence point and choice of the indicator are derived.
      
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