查询词典 quantitative analysis

Conventional radiochemical methods such as alpha spectrometry, neutron activation analysis, liquid scintillation system, fission track and gamma spectrometry for the quantitative determination of neptunium and plutonium often require complicated and time-consuming sample preparation and separation procedures.

研究环境中铀、镎、钚等长寿命放射性核素的精密测定，对保护公众安全和保护环境，对了解核设施的历史操作情况和现状，都具有重要意义。环境样品基体复杂，铀、镎和钚等锕系元素含量非常低，在复杂的生态条件下，这些核素常常具有复杂多变的化学形态，要准确测定其含量，必须要有灵敏可靠的检测方法。

The application of artificial neural network for pharmaceutical nondestructive quantitative analysis were investigated.

研究了应用人工神经网络进行粉末药品的非破坏定量分析。

The NIRS quantitative analysis model was developed for measuring MBM content in fish meal by using partial least squares. The initial spectrum was pretreated by standard normalized variate, 7 point smoothind and one derivative respectively.

应用偏最小二乘定标方法，在8 678.10~4 250.34cm^(-1)波数范围内，采用变量标准化、7点平滑和一阶导数对光谱进行预处理，建立了鱼粉中肉骨粉含量的NIRS定量分析模型。

In order to provide theoretical basis for the harmonious development of urban-rural regional system in northern slope economic zone of Tian Mountain, the quantitative evaluation of urban-rural related development was conducted by the main elemental analysis in this article.

笔者以天山北坡经济带11市县的城乡区域系统为研究对象，采用主成分分析法对该区域城乡关联发展水平进行了定量评价，以期为天山北坡经济带城乡区域系统的协调发展提供依据。

The nucleoid size analysis, the comet assay and quantitative polymerase chain reaction.

细胞核大小分析，慧星检测法，PCR定量法。

It is an innovation and attempt in WTO dispute settlement for bringing in the quantitative economic analysis into the process of determining nullification or impairment.

在确定利益丧失或减损的过程中引入量化经济分析方法，是WTO争端解决中的一种创新和尝试。

The on-line mode experiment was a rapid and good qualitative method for the pyrolysis, and the off-line mode can be used as a quantitative method based on the qualitative analysis.

在试验的两种方法中，在线裂解模式实验方法先进，定性直接，结果准确；离线裂解模式实验方法操作方便，简单易行，而且在定性基础上可以实现定量分析。

Beam on the origin of flow, width, length, area quantitative analysis.

能对血流束的起源、宽度、长度、面积进行定量分析。

Hard systems are associated with areas such as systems engineering , operations research and quantitative systems analysis.

硬盘系统相关的领域，如系统工程，业务系统的研究和定量分析。

This article discusses optimal preview tracking control of plane object trajectory and optimal preview tracking control of space three dimensions object trajectory by qualitative and quantitative analysis, and then put forward the algorithms of optimal preview control.

本文分别对平面轨迹最优预见跟踪控制和空间三维轨迹最优预见跟踪控制进行了定性、定量的分析，最后提出了最优预见控制的算法。

What was it that made you want to change sider ?

是什么使你临阵倒戈？

I don't know what he wants, but let's play along with him.

我不知道他要干什么，可我