定性分析

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  • qualitative analysis
定性分析定性分析
  1. 定性分析表明水是由氢氧结合而成的。

    Qualitative analysis shows that water is made up of hydrogen and oxygen .

  2. 结果表明,线性模型有较强的定性分析作用但预测能力不强,而BP网络具有很强的预测能力。

    The result showed that the linear model had strong qualitative analysis .

  3. 以前,大多学者对H型钢轧制过程的研究都采用了实验和定性分析的方法。

    In the past , experimental methods were always employed to analyze H-beam rolling processes qualitatively .

  4. 用气相色谱-质谱联机法(GCMS,Saturn2000)对其中的香气成分进行了定性分析。

    The liquid was analyzed by GC / MS .

  5. 本文介绍了几种预测策略,包括简单预测、基于马尔科夫模型的预测和定性分析预测。并基于AJAX技术提出了Web应用程序的通用预取实现方案。

    The thesis analyses some prediction strategies and gives out a general Ajax based web application prefetching implementation .

  6. 所收集到的数据用SPSS数据分析法以及定性分析法进行了分析。

    All the collected data were analyzed by SPSS and qualitative analysis .

  7. 通过对该仪器的COD专用试剂定量、定性分析,得出该试剂的大致组成和比例。

    The general composition of COD special reagent is obtained by quantitative and qualitative analysis .

  8. 为此,需要以服务组合监控为目的,对Web服务组合过程中所有伙伴服务之间的交互行为建立定性分析模型。

    For this reason , a qualitative analysis model is required to describe the interactions between all partner services as the purpose of runtime monitoring service composition .

  9. FTIR既可以用于样品的定性分析,也可用于定量分析。

    FTIR can be used for qualitative analysis and quantitative analysis of samples .

  10. 结合雌激素HPLC、GC指纹图谱研究及LC-MS定性分析

    Studies on the HPLC / GC Fingerprints and LC-MS Qualitative Analysis for Conjugated Estrogens

  11. 用GC/MS对FCC汽油中的碳氢化合物和含氧化合物等组分进行详细的定性分析。

    GC / MS was performed to qualitative analysis of hydrocarbons and oxygenic components in FCC gasoline .

  12. 采用GC-MS对产品进行定性分析,分离了产品中所含的32种组分,确定了其中部分组分的分子结构;

    By using GC-MS , 32 components in the product were separated , and some of them were identified .

  13. 应用表明,与故障树法相比,故障Petri网在定性分析和定量计算方面具有优势。

    It is concluded that Failure Petri Net Analysis method has advantages in qualitative analysis and quantitative calculation over the Fault Tree Analysis one .

  14. 通过EDAX对第二相化学成分进行了定性分析。

    The component of second phases was analyzed by EDAX .

  15. 为解决这个问题,本文在matlab操作界面下,设计了大理石花纹的计算机自动识别系统,使大理石花纹从传统的感官评定人员的评分制转化为计算机识别,定性分析转化为定量分析。

    To solve this question , we design computer-identifying system of marbling at matlab . The paper change sensory estimate in computer identifying and change qualitative analysis in quantitative analysis .

  16. 本文运用扫描电镜、X射线衍射定性分析和定量分析等手段,研究了以TiO2为成核剂的Li2O-Al2O3-SiO2-B2O3系统玻璃纤维的核化晶化机理。

    Mechanism of nucleation and crystallization of Li_2O-Al_2O_3-SiO_2-B_2O_3 system glass fiber was studied by SEM and XRD .

  17. 研究了槲皮素锗配合物与DNA的相互作用及相关机理,通过紫外吸收光谱法的定性分析和荧光光谱法的定量计算,对二者的结合机制进行了推测。

    Study the interaction and related mechanism between Quercetin Germanium complex and DNA , and have a speculation on combination mechanism of them by the qualitative analysis on ultraviolet absorption spectrometry and quantitative calculation on fluorescence spectrometry .

  18. 一类具隔离项的动态SEIS模型的定性分析

    Qualitative Analysis of a Dynamic SEIS Epidemic Model with Quarantine Items

  19. 方法采用端粒重复扩增技术(TRAP)PCRELISA定量分析及TRAPPCR银染定性分析分法,对24例肺癌新鲜手术标本及6例肺良性肿瘤手术标本进行端粒酶活性的分析。

    Methods Telomerase activity was detected in 24 primary lung cancer tissues and 6 benign neoplasms of the lungs by telomeric repeat amplification protocol ( TRAP ) PCR ELISA and TRAP silver staining .

  20. 具有非线性密度制约的HollingⅡ类功能性反应的食饵与捕食者模型的定性分析

    Qualitative analysis for a kind of predator-prey model of Holling ⅱ - function response with nonlinear density dependent

  21. 用FT-IR差谱技术对几种类型的复合材料进行定性分析,尝试能有效地找出影响分析结果的某些因素,从而提高应用该技术分析的效果。

    Analysis of some composites was carried out by FT-IR differential spectra technology to find out some factors of influencing analytical results , and improve efficiency of analysis .

  22. 此外,前景展望部分本文还结合运用灰色系统预测模型GM(1,1)对入世后中美贸易额、农产品贸易额、纺织品服装贸易额进行预测。预测得到的结果与定性分析的结论一致。

    In settlement plan , the thesis will use the forecasting method of GM ( 1,1 ) to forecast the Sino-US trade value , farm products trade value , textile and garment trade value .

  23. 应用分数布朗运动模型对在线铁谱监测数据进行R/S定性分析和解释,表明H指数可用于机器磨损状态识别和预测。

    Applying the fraction brown movement model this paper has an R / S qualitative analysis and explanation of monitoring data from on line ferrograph , which shows that H index can be used for recognizing and prodicting machine wear condition .

  24. 设计了需求预测的四个步骤,包括定性分析伤亡人口相关因素、定量分析伤亡人口相关因素、BP神经网络模型预测伤亡人口数量和应急物资需求预测。

    Four steps was designed to predict the demand , including qualitative analysis and quantitative analysis of factors associated with injuries population , a BP neural network model to predict the casualty population and the prediction of the emergency supplies demand .

  25. 通过定性分析建立农业强省评价指标体系基础上,采用AHP法研究并确定各指标的相对权重,应用VF编程实现AHP的计算过程。

    Based on establishing evaluation indexes system , the agricultural development condition of our province was analyzed , in which the relative weight of each index was made sure with AHP and VF programming AHP .

  26. 方法:采用薄层色谱法对复方维A酸乳膏中的维A酸进行了定性分析,对处方中的维生素B6、Cl-进行了理化鉴别;

    Methods : The qualitative of tretinoin determined in compound tretinoin cream by TLC , and vitamin B_6 and Cl - in the preparation were also identified .

  27. 目前,由于Petri网不仅能描述资源的共享、冲突、互斥、并发和不确定性,而且能进行定量分析和定性分析,Petri网理论已成为柔性制造系统中建模与分析的主流技术之一。

    Now , because Petri nets can describe the share , conflict , mutex , concurrence and uncertainty of resources and their model can be analyzed quantitatively and qualitatively , several kinds of Petri nets have become the important methods of modeling and scheduling FMS .

  28. 相互干扰的捕食与被捕食者种群的Hassall模型定性分析

    Qualitative Analysis of Hassall Predator-Prey Model

  29. 结合相关岩石强度理论,分析PDC切削岩石时,岩石初始裂纹的萌生、发展条件和宏观破碎的开裂面,得出PDC钻进岩石破碎的条件模型,并对PDC钻进岩石的破碎过程进行了定性分析。

    Then combination of rock strength theory , the rock crack initiation , development conditions and macro-cracking surface , while PDC pressure into cutting rock , were analyzed , and obtained the condition model of PDC drilling rock broken .

  30. 在此基础上对信息家电的市场需求趋势进行定性分析,并运用Logit组合市场预测模型进行定量预测;

    Base upon this , to forecast the develop trend on market demand of IA , not only with qualitative way , but also with a quantitative way , namely the Logit Combing Forecast Model on market development trend .