查询词典 sample method

The method fully suited to control the contents of copper and iron in cellulose triacetate and was used in the analysis of sample system with good results.

适用于三醋酸纤维素中铜和铁的质量控制和样品系统分析。

Fluorescence spectra were measured at consecutive time points in an emission range of 439～550 nm for every sample when a constant 390 nm excitation wavelength was used, hence, creating a three-way response data array which was then analyzed by trilinear decomposition method.

设定激发波长为390 nm，在发射波长为439～550 nm的范围内测定一段时间内连续时间点的该动力学反应中间物的荧光光谱，构建三维响应数据阵，然后运用三线性分解算法进行解析。

At the same time, people have made progress in measurement method of tritium. It is different in the measurement instrument and the chemical agents and the compositions of the sample.

由于测量的仪器、所用的化学试剂及所测样品的组成各不相同，对某一特定工艺条件下的各种氚样品的测量方法作有针对性的研究，这对分析测定的质量保证仍是十分必要的。

The results of numerical experiments show that the method has the ability to filter the sample noise from limited number of background error member, to estimate the true background error correlation functions.

试验结果表明：基于球面小波的背景误差协方差模拟方法能够克服由有限背景误差样本引入的取样噪声，有效地估计出真实的背景误差相关函数。

A new stimulus-response method with two sample ports has been developed for experimental study of column performance.

本文对实验室大柱径萃取柱在有传质条件下研究了轴向混合和传质性能实验方法。

To suppress the sidelobes, two methods, the sample transformation method and strong target picking-out methods, are proposed in range processing for FCP signal.

为有效抑制旁瓣，论文提出了采样变换法和速度门大目标剔除两种方法。

After such treatment the sample is suspended in water by ultrasonics, and the particle size distributions were measured by the laser scattering method.

将经过这样处理后的样品放入水中用超声波分散后，超过50%的金刚石颗粒可以被分散到直径小於50 nm。

Compared with the maximum likelihood estimation which is commonly used for type-I censored data in engineering, the presented method can reach a high precision by simple calculation, and the estimators show best unbiased property with small sample.

与目前工程中常用的极大似然估计(maximum likelihood estimation， MLE)方法相比，文中方法所得估计量不但在大样本而且在小样本情况下也具有最佳无偏性质，且计算简单、精度高，便于工程应用。

This method first gains shape vectors and texture vectors from given sample facial images of the same kind of expression. Then, based on the facial image morphable model, the linear combinations of the shape vectors and texture vectors of the unexpressive images are retrieved respectively using optimal linear fitting.

该方法利用人脸图像形变模型线性组合逼近的基本思想，确定合成表情图像的形状信息和纹理信息，其步骤简单，容易实现。

The other way is:even if a existing peripheral venous catheter can be used, because there is no evidence to support,is still using the traditional venipuncture method collecting blood sample in order to ensure accurate results of laboratory tests.

还有一种做法是：即使在有现成的静脉留置针可用于采血的情况下，因为没有证据支持，仍然采用传统穿刺法采集血标本，以确保准确的实验室检查结果。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。