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- radium226Ra external standard source 226Ra[镭]外标准源(核)
- external standard source 外标准源
- The external standard method was adopted for the assay of 5-HMF. 以外标法测定5-HMF的含量。
- The retention time must match that of an external standard within 5%. 保留时间必须在外加标准品保留时间的正负5%25以内。
- The "rite" and "benevolence" in the Analects is the relationship between external standard and inner consciousness. 摘要《论语》中礼与仁的关系是外部规范与内心自觉之间的关系。
- The RSD for external standard method is 3.31%, and the recoveries are in the range of 97.4%-103.2%. 实验结果表明,内标法的相对标准偏差为2.;71%25,回收率在98
- Analytes in eluant were determined using GC equipped with FPD and external standard method. 以GC-FPD测定,外标法定量,测定结果用不同极性的毛细管柱验证。
- The melamine product ion abundance ratios must match that of an external standard within 20% relative. 三聚氰胺子离子的丰度比必须在(外加)标准品子离子丰度比的20%25以内。
- Based upon the external standard method of HRS,a new data processing way to study the solvent effect is given. 基于外参法我们提出了用于研究HRS溶剂效应的数据处理方法。
- The factor effect on CIE coordinates error is analyzed, system error caused by standard source transfer is argued and the background signal subtraction method is brought forward. 对影响色坐标的各项因素进行了误差分析,分析了标准传递带来的系统误差和基线扣除方法,分析了随机噪声带来的重复性误差。
- Contents of gastrodin in Santong Fengshikang Capsule was determined by RP-HPLC with the use of external standard. 利用RP-HPLC法,采用外标法测定了三通风湿康胶囊中天麻素的含量。
- Besides, quantitation analysis of involatile compositions in beer could be done by internal standard method or by external standard method. 还可用内标法和外标法对啤酒中的不挥发组分进行定量检测分析。
- An HPLC method using an external standard was developed for quantitative determination of the pirimicarb residues in wheat seed. 采用甲醇超声波提取和液液分配技术净化提取物,反相高效液相色谱测定,建立了检测小麦籽粒中抗蚜威残留量的方法。
- Triethyl orthoacetate in reaction mixtures was separated from other components and determined by gas chromatography with external standard method. 应用气相色谱法测定制备原乙酸三乙酯反应产物中产品质量。
- This paper describes a method in which force pulses generated by an electrical discharge in liquid are used as a standard source of force pulses to calibrate dynamic characteristics of pressure transducers and concerned measuring instruments. 本文提出利用液体中放电产生的力脉冲作为校准压力传感器和有关测量仪表动态特性的标准力脉冲源。
- The content of urapidil is calculated by external standardization method. 以外标法计算乌拉地尔缓释胶囊的含量。
- The factor effect on CIE coordinates error is analyzed, system error caused by standard source transfer is argued and the background signal subtraction method is brought forward. The repeatability error caused by random noise is also analyzed. 对影响色坐标的各项因素进行了误差分析,分析了标准传递带来的系统误差和基线扣除方法,分析了随机噪声带来的重复性误差。
- Although the external standard method and superposing peak k-value method are applicable,but their accuracy is often not satisfactory. 结果表明,虽然外标法和重叠峰自清洗法对于水泥熟料的物相定量分析是可行的,但其结果的准确性往往不够理想;
- Methods: The color range and ordering of Vita Classical and Vita 3D-Master shade guides weremeasured and analyzed with MINOLTA CM-2600d spectraphotometer under D65 standard source CIE-1976-L*a*b* colorrange system was employed in this study. 方法:选用CIE1976-L*a*b*色度系统,用Minolta CM-2600d 分光测色计对两种VITA比色板的色度值进行测定,对二者的色度范围做了比较分析。
- The sample was directly dissolved in the de-ionized water, and an external standard of D2O was used for the deuterium lock. 实验中将待测样品直接溶解于二次去离子水中,并利用外标进行锁场。