查询词典 quantitative method

Combining the two-dimensional information which consisted of the absorption spectra and the distribution curve of species along with the pH values, a quantitative analytical method for the determination of the pigments in a gray system was proposed.

利用合成色素随pH变化的分布分数曲线和吸收光谱构成两维波谱信息，建立了灰色体系中色素的定量分析方法。

According to GB5888-89《Quantitative analysis method of China grass's chemical Content》, the composition of cotton-straw peer is analysed. The results show that the cotton-straw peer contained 2.36% of adipocere, 19.54% of water-soluble, 3.34% of pectin, 25.88% of hemicellulose, 25.32% of lignin, 23.65% of cellulose.

按照GB5888-89《苎麻化学成分定量分析方法》对棉秆皮成分进行测定，得出棉秆皮中含脂腊质2.36%，水溶物19.54%，果胶3.34%，半纤维素25.88%，木质素25.32%，纤维素23.65%。

The core issue of nutrient control was focused and the dynamic studies on phosphorus pollution of the whole watershed were conduced: 1 to highlight the non-point source pollution control, which is the difficulties research subject of water resource protection; 2 to perfect the calculation method for phosphate input and output, providing important basis on decision making for nutrient control; 3 to establish database and water quality model, to predict the water quality response after different phosphorus control schemes realized; 4 to determine admissible phosphorus loading and control standard according to the quantitative relationship between the external force function (mainly the exotic nutrient salt concentration or loading) and internal nutrient state response, and to work out the effective and practical techniques for eutrophication control.

围绕营养盐控制的核心问题，进行全流域范围磷污染的动态研究：1）突出了目前我国水资源保护研究难点—非点源污染控制；2）完善了流域水库磷盐收支计算方法，为流域营养盐控制决策提供了重要依据；3）建立数据库和水质模型，预测了在实施不同磷削减控制方案后流域供水水质的响应情况；4）根据湖泊外力函数（主要是外来营养盐浓度或负荷）与湖库内营养状态响应间的定量关系，确定了磷允许负荷量及控制标准，提出了有效的富营养化控制实用技术。

This article utilizes qualitative and the quantitative investigation method construction finance early warning system, simultaneously also emphasized the financial crisis forewarns the system construction the cash current capacity analytic method; Thus causes the enterprise prompt discovery crisis, and formulates suits the enterprise the financial risk guard measure; Finally carries on the analysis and the research to the Luoyang Glass Limited liability company's financial crisis, has realized the theory and the real diagnosis research unifies.

本文运用定性和定量研究方法构建财务预警系统，同时又强调了财务危机预警体系构建的现金流量分析法；从而使企业及时发现危机，并制定出适合企业的财务风险防范措施；最后对洛阳玻璃股份有限公司的财务危机进行分析和研究，实现了理论与实证研究相结合。

The motion dynamics and echo models of the precessing warhead in single frequency are set up. Based on a quantitative analysis on echo spectrum and micro-Doppler modulation of precessing cone, a precession parameter estimation method by echo correlation and spectrum width is proposed. The experiments on data by simulation and darkroom measurement verify the method.

建立了单频信号下雷达观测弹头的进动模型和回波模型，通过对进动弹头回波频谱与微多普勒调制特性的定量分析，提出了利用回波相关方法和频谱展宽估计进动参数的方法，并利用暗室测量数据对该方法的性能进行了实验验证。

Using clove bud oil as an example, the accuracy of area percent method and single internal standard method was compared, and the influence of chromatography columns of different polarities on quantitative analysis was investigated.

因此，本文以丁香花蕾油为例，比较了面积归一化和单一内标校正法定量分析的准确性以及不同极性的色谱柱对定量分析结果的影响。

On the basis of getting the true and reliable monitoring datum, the methods of diagnosis algorithm based on state predicting are also discussed in this paper. A method based on BP artificial neural network is presented. A diagnosis model is also designed and emulated. The results of the emulations show that the algorithm is obviously better than that of the traditional three-ratio method, and the algorithm can accurately makes good judgments on the faults base on qualitative and quantitative analysis.

在获得真实可靠的监测数据的基础上，还进行了运行状态预测的故障诊断方法的探讨，提出了基于BP神经网络的故障诊断方法，建立了一个诊断模型，并对该模型进行了仿真，仿真结果表明该算法明显优于传统IEC三比值法等故障诊断方法，能够比较准确地定性和定量地对故障做出判断，为电力运营部门提供有用的决策依据。

The heat efficiency of different mode of drainage recycling is calculated and analyzed by heat balance method and equivalent enthalpy drop method in this paper,which provides the quantitative date for thermodynamic system energy.

本文通过热平衡法和等效热降法对不同疏水回收利方式的热效率进行了计算比较，为热力系统的节能改造提供定量数据支持。

A sensitive HPLC method for the simultaneous determination of diniconazole, thiram and imidacloprid from the mixture was developed. YWG C18 column saved as solid phase and CH3OH-H2O as mobile phase. Detection wavelength was set at 260 nm and quantitative analyzing was performed with an external standard method.

采用反相高效液相色谱法，使用YWG C18柱和二极管阵列检测器，以甲醇－水为流动相，检测波长260 nm，用外标法测定了福美双吡虫啉烯唑醇悬浮种衣剂中3种成分的含量。

Objective To establish a competitive RT-PCR method for quantitative determination of IFN-γ mRNA and IL-4 mRNA and explore the optimal inductive condition in vitro. Methods IFN-γ mRNA and IL-4 mRNA in PBMC induced by PMA and calcium ionophore of a healthy volunteer and in unstimulated PBMC of 11 HVs and 13 asthma patients were determined quantitatively with the established competitive RT-PCR method using self-prepared internal standard as competitive templets.

Subject words 】 Competitive templet； IFN-γ； IL-4； mRNA； RT-PCR 检测细胞因子最早使用生物学或免疫学测定法，这两类检测可反映某种细胞因子分泌、吸附、消耗和降解后的净含量〔1〕，但不能为细胞因子产生过程中基因转录、翻译及翻译后调控机制提供必要的信息，也不能反映细胞或组织内细胞因子基因表达水平。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。