查询词典 qualitative analysis
- 与 qualitative analysis 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The qualitative analysis finds positive behavioral and attitudinal changes in the experimental group.
定性分析表明,实验班学习态度、行为有明显的积极变化。
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The paper carries on qualitative analysis to the acetone extractives before and after discoloring, shows the main components of the extractives and then takes comparison. The results shows :①The hydroxyl is oxidized and then shifted to the carbonyl,carboxyl, ester and ketone groups during inducing discoloration under the pretreatment conditions,which makes the wood color deep;② There are plenty of auxochromic groups in the acetone extractives of silver chain, the interaction between the auxochromic groups and the chromophoric groups makes the wood color deep.
摘 要:本文通过对刺槐变色前后丙酮抽出物的定性分析,得出变色前后丙酮抽出物的主要成分,进行对比分析,初步得出抽出物对诱发变色的作用为:①变色前后羟基在预处理条件下氧化成羰基,羧基,酯基和酮基等官能团,使木材颜色加深;②刺槐丙酮抽出物的主要成分中含有大量助色基,这些基团会与木素中的发色基团相互作用,使木材颜色加深。
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This dissertation presents the following innovations:(1)Used some rational methods to calculate the value of expectant returns, provided with the basic to calculate the value of BHAR and research the M﹠A performance.(2)Used quantitative and qualitative analysis to explain affection of factors to M﹠A performance.
本文主要的创新点在于:(1)使用较为合理的方法计算了预期收益率,为进一步计算BHAR值,从而研究并购长期绩效提供了研究基础;(2)运用定量和定性分析相结合的方法比较全面的解释了各因素对并购长期绩效的影响。
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The qualitative analysis of the volatiles emitted from tea plants infested by Ectropis obliqua Prout with GC-MS or zNoseTM showed the similar results, however the relative contents of-3-hexen-1-ol,benzyl nitrile,indole,-caryophyllene obtained from both showed a certain difference.
结果表明:GC-MS与zNoseTM对茶尺蠖取食诱导的茶树挥发物的定性分析结果差别不大;但两者测定茶尺蠖取食诱导的茶树挥发物中顺-3-己烯醇、苯乙腈、吲哚、反-石竹烯等4种组分的相对含量有一定差异。
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Traditional quantitative evaluation methods normally lose potency to it, and qualitative analysis isn't convincible, either.
研发是长期性、战略性的基础投资项目,面临着众多的不确定因素和决策执行过程中的灵活性,传统的定量分析方法常常无能为力,而定性分析方法又难以令人信服。
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In allusion to the forced settlement on collapsible loess, by many rectifying methods some anticipative purpose can be obtained in some situations only for project applications, but this method is based on knowledge of experience, there is lack of corresponsive theoretical guidance, the qualitative analysis is considered as the only basis of technical treatment, therefore it lacks of technical process of the quantitative calculation and has some indecisive property.
针对湿陷性黄土地区经常采用的迫降法来说,单从工程应用的角度看,许多纠倾方法在大多数情况下能够达到预期目的,但从理性分析的角度看,这种方法以纯经验处理为基础,缺乏相应的理论指导,以定性分析作为技术处理的唯一依据,缺少定量计算的技术过程,存在着一定的盲目性。
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On the basis of the available related research literature in the overseas and domestic, the paper apllied the method of deduction and reasoning, criterional and experiential research, quality and qualitative analysis, historical summary and realistic comparison research, to study the intrinsic relation between the science and technology innovation and the economic growth by the numbers.
本文在对国内、外的相关研究文献进行梳理的基础上,采用演绎推理、实证研究与规范研究相结合、定性与定量分析相结合和纵向概括与横向比较相结合的研究方法,对科技创新与区域经济增长的内在关系进行了比较系统的研究。
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The lignan secoisolariciresinol diglucoside is a bioactive molecule effective on anticancer, antivirus and antioxidation. A simple and direct method for SDG qualitative analysis was established with TLC.
建立了定性分析亚麻籽饼粕中开环异落叶松树脂酚二葡萄糖苷的TLC方法,根据TLC结果,确定提取溶剂为0.1 mol KOH溶于1 L70%乙醇,固液比为1:8,提取2次。
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Additionally LC-MS was also used in qualitative analysis of the reactionsystem for the synthesis of dipropyl toluene-2,4-dicarbamate TDC(Pr. The main side-reactions were condensation reactions between 3-amino-4-methyl N-propylphenylcarbamate with TU or toluene 2,4-bisurea.
同样,运用液质联用技术对甲苯-2,4-二氨基甲酸丙酯TDC合成反应进行了定性分析,确定了副产物并推测其主要副反应是中间产物3-氨基-4甲基苯氨基甲酸丙酯与TU和甲苯-2,4-二脲之间的缩合反应。
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Based on Meta-Synthetic Methodology,the method introduced uses objective weight of object as a criterion to verify the subjective weights which are given by qualitative analysis of groop members,and then excludes those members who give a subjective weight with a biggish warp.
运用综合集成法,以目标客观权重为标准检验群体成员定性分析确定的主观权重,剔除偏差较大的主观权重,然后综合有效的群体成员所赋目标主观权重,得到目标最终的权重,完成多目标群体决策。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很,以良性病变为主。