Oscillographic chronopotentiometric determination is a kind of direct or indirect determination method for microanalysis or trace analysis based on the incision depth or peak height on oscillogram. 示波测定就是利用示波图上切口深度或峰高进行微量乃至于痕量物质直接或间接测定的方法。
The elution time is a characteristic of an individual compound; and the instrument response, measured as peak area or peak height, is a function of the amount present. 每种组分有其特有的洗脱时间,仪器的响应值,峰面积和峰高都与组分的量有关。
The detector temperature can also affect the observed peak height if its response is temperature dependent. 检测器温度的改变也会影响那些相应的峰高。
Used to be a big deal to determine the peak height but now you can do it with a$ 200 device ( well, and some slightly more expensive orbital equipment)-. 在过去确定山峰的高度是个大问题,现在你可以用一个200美元的装备就搞定了(当然,或者是稍微贵一些的轨道设备)
The selection of moving phase, gradient eluting procedure and line relation of sampling concentration with peak height were discussed. 研究了流动相的选择,梯度淋洗程序的最佳化以及进样浓度与峰高的线性关系。
Similarly the carrier gas flow affects the retention time and consequently the peak height. 同样的载气的流速也会影响保留时间,从而影响峰高。
The W here means the peak width at half peak height. 这里指峰高度一半处的峰宽度。
About its theoretical defects, it is proved by strict mathematical deduction that there is no linear stacking relationship between peak height ratios and production partitioning percentages. 文中对其理论上的缺陷作了数学上的严密推导,证明了峰高比值和产量分配百分比并不具有线性叠加关系,并针对以上缺陷提出了两个改进方案:⑴内标法;
Variation of mixogram peak height ( MPH) was very small. 峰高变化很小;
It is demonstrated that theoretically, peak height and peak area are equivalent in the quantitative analysis of the detector which characterized in exponential response. 理论分析表明,具有指数响应特征的FPD(S)检测器的峰高和峰面积定量有等效性;
The chromatographic conditions and effects of head space conditions on peak height were studied. 研究了色谱条件及顶空加热条件。
Reproducibility ofthe oscillogram, detection limit for the depolarizer and influences of different factors on peak height ofdepolarizer are investigated. 设计了适用于示波分析的流通池,研究了新方法的重现性、灵敏度及影响去极剂峰高的各种因素。
Peak height of ozone layer is higher in summer and autumn than that in winter and spring. 臭氧层峰值高度夏秋季高,冬春季低。
A good linear relationship between the peak height and concentration was found in the 0.02~ 1.20 mg · mL-1 and 0.02~ 1.00 mg · mL-1 concentration range for puerarin and daidzein, respectively. 葛根素和大豆甙元的峰高和质量浓度分别在0.02~1.20mg·mL-1和0.02~1.00mg·mL-1浓度范围内呈良好线性。
The evaluating system ( peak time, peak height index and IA index) is proposed to assess the biodegradability of 40 organic subStances and 7 wastewater. 给出了测试程序,采用峰值时间、峰高指数、IA指数作为定量评价指标,从而建立了ATP评价方法,并对46种有机物和7种废水的好氧生物降解性进行了评价。
The influence of peak height, peak position and noise are investigated using synthetic data. 采用合成数据测定了峰高、峰位置及噪声对结果的影响。
The effect of sample acidity and coexisting ions on the determining results were studied. The chromium concentration was linear with the absorption peak height in the range of 10-300 ng/ ( 10 mL). 研究了进样酸度和共存离子对测定结果的影响,铬的浓度在10~300ng/(10mL)内服从比耳定律,铬的浓度与吸光度的线性相关系数为0.9984。
Surface roughness parameters were measured using STAR-1 profilometer. The results showed that the distribution of the peak height was different from the profile height distribution and was not Gaussian, but the curvature distribution was random. 通过STAR-1型表面轮廓仪对粗糙表面实际形貌的测定,分析得到了实际表面微凸体的高度分布和曲率分布,发现微凸体的高度分布并非高斯,而曲率分布则呈随机状态。
Negative pole scanning is carried out in an area of-0.20v~-0.80v and measure peak height. 在-0.20v~-0.80v区间进行阴极扫描,测量峰高值ip。
Arsenazo I saturated ethanol solution was added to sample solution, the stripping peak height increased greatly. 加偶氮胂I饱和乙醇溶液于样液中峰高显著增高。
Peak area, peak width, and peak height all change with increasing pressure. 随压力增加,峰面积、峰半高宽、峰高等参数也将随之变化。
Immobilized chicken liver esterase was used in a lab FIA system. With curve peak time and peak height as criteria, the effects of substrate concentration, flow rate of buffer liquid and length of enzyme column have been studied. 将固定化鸡肝酯酶酶柱应用于流动注射分析系统中,以峰值时间和峰高为指标,考察了底物浓度、缓冲液流量和酶柱长度对流出曲线的影响。
Because there are many standard on the hump peak height calculation method. 由于驼峰峰高计算上已有许多标准方法。
This article describes the mechanism of electromagnetic waves propagation in the thermosphere, the critical frequency and peak height of each layer will be predicted. Ionospheric absorption loss characteristics and ionospheric echoes of high frequency surface wave radar will be discussed. 本文介绍了电磁波的电离层传播机理,预测了电离层每一层穿透频率特性和峰值高度特性,分析了电离层吸收损耗特性。