定位效应
- 网络Positioning effect;orienting effect;Orientation effect;Directing Effect
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~(13)C&NMR谱化学位移的经验参数与定位效应
Empirical parameter on  ̄( 13 ) c-nmr chemical shifts and orientation effect
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核磁共振氢谱在芳烃亲电取代定位效应中的应用
Applying of NMR hydrogen chart in the orientation effect of aromatic hydrocarbon close electricity
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~(13)C化学位移与定位效应
Carbon 13 chemical shift and orientation effects
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原子电性作用矢量用于呋喃糖核磁共振碳谱化学位移计算~(13)C化学位移与定位效应
Calculation of Chemical Shift in ~ ( 13 ) C NMR for Furanoses Carbon 13 chemical shift and orientation effects
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目的探讨利用生物素-亲和素系统的靶向定位效应和生物放大作用,提高MR分子成像的敏感性。
Objective To improve the sensitivity of magnetic resonance molecular ( MR ) imaging on the basis of the targeting and magnifying effects of biotin-avidin system .
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本研究表明,将分池法与选择基因型分析相结合,可以利用F2代群体定位效应较小的QTL位点。
This study demonstrated the feasibility of using bulk-based approach coupled with selective genotyping in identifying markers for QTL with moderate effects in the F_2 generation .
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目的研究新型特异性前哨淋巴结(SLN)示踪剂~(99)Tc~m-IT-Rituximab的定位效应。
Objective To investigate the located ability of a novel sentinel lymphoscintigraphy agent , ~ 99 Tc ~ m-IT-Rituximab , in detecting the sentinel lymph node ( SLN ) .
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分别从硝基芳环的结构、亲核试剂的类型和反应条件三方面讨论了影响VNS定位效应的因素;
Furthermore , the factors that affect the orientation of VNS are discussed from the aspects of the structure of nitro arenes , the properties of nucleophiles and reaction condi-tions respectively .
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结论EGFP-Apoptin融合蛋白在肿瘤细胞中具有核定位效应,并诱导肿瘤细胞凋亡;
Conclusion The fusion protein EGFP-Apoptin has nucleic localization function in tumor cells and can induce the apoptosis of tumor cells .
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立体声耳机重发中头中定位效应的消除
Elimination of Effect of Inside-The-Head Localization In Sound Reproduction by Stereophonic Earphone
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有机分子中卤原子的定位效应和反应活性
Reactivity and orientation effect of halogens in organic moleculars
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苯酚直接溴化的定位效应
Effects of Orientation in the Direct Bromination of Phenol
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苯环上取代基定位效应的简易判定法
Simply method to judge fixed position effect of replacement base on the benzene
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单取代苯分子中的电荷分布与定位效应
Orientation Effect and Charge Distribution in Monosubstituted Benzenes
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一氯甲基定位效应的解析
Explanation to the Directing Effect of Chloromethyl
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加入混响的声音解决了距离判断的模糊问题,减小了头中定位效应,使处理后的声音更自然。
The faintness of judging distance is resolved , and Inside-the-Head Location effect is eased by adding reverberation .
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计算分子中原子净电荷的新方法及芳烃亲电取代反应定位效应的定量处理
A new method for calculating atomic charges in molecules and quantitative treatment of the orientation effect of electrophilic aromatic substitution reaction
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本文研究了取代苯13C&NMR谱化学位移的经验参数与芳烃取代活性顺序以及亲电取定位效应的关系。
This paper discusses the relation between the empirical parameter of chemical shifts in carbon-13 NMR spectra and orientation effect in electrophilic substitution .
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最后根据消费者感知度和认可度,评价旅行社品牌定位效应,并通过反馈分析,对旅行社的品牌定位进行改进。
Lastly the evaluation of customer perception and approval is used as a feedback to improve the initial brand positioning in order to obtain better brand performance .
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以取代苯苯环碳原子化学位移为依据,用曾经设定并初步证实的甲基诱导效应和共轭效应参数,讨论了甲基取代基的诱导效应、共轭效应及定位效应。
On the basis of the characteristics of substituents and conjugated matrix , a novel molecular conjugated parameter ( B ) was defined and calculated for122 molecules in this paper .
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玉米籽粒油分QTL定位及其效应分析
Mapping QTL for Kernel Oil Concentration and Analysis of Effect with High-oil Maize
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利用RFLP进行数量基因定位及效应分析的原理与方法
Principles and methods of mapping quantitative trait loci and analysing loci effect using RFLP
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小麦7D染色体数量性状基因定位和效应估计的研究
Studies on the Mapping and Effect Estimation of Quantitative Trait Loci on Chromosome 7D of Wheat
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水稻抗纹枯病数量基因qSB-11~(Le)的精细定位、效应研究及其候选基因分析
Researching on Effects of a Resistance QTL ( qSB-11 ~( Le )) Against Rice Sheath Blight and Its Fine Mapping and Candidate Gene Analysis
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对这些QTLs在连锁图上的定位和效应分析,可为美洲黑杨×青杨重要数量性状的遗传操纵、分子标记辅助育种选择、染色体定位以及目的基因分离提供科学的理论依据。
The work of QTLs mapping and QTLs effectiveness analysis on P. deltoides X R cathayana sets a solid base for its practices of genetic manipulation of some important quantitative traits , molecular marker assistant breeding and screening , genome mapping and aimed gene isolation .
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小麦第五组同祖染色体上春化反应基因的定位及其效应的研究
A Study on the Location and the Effect of the Vernalization Responsive Genes on the Chromosomes of Homoeologous Group 5 of Wheat
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分析财政支持介入公共文化发展的理论依据,并对财政支持在公共文化发展中的功能定位和效应进行了分析;第三章,我国财政支持公共文化发展的现状及存在的问题。
Analyzing the theoretical basis , function , effect for financial support involved in the development of public culture . Chapter three , the current situation and issues in the financial support for promoting the development of public culture in China .
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水稻籽粒硒、锌含量的QTL定位及遗传效应分析
QTL Mapping for Selenium and Zinc Contents in Rice Grains and Genetic Analysis
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80年代初发现的DNA分子标记已被广泛应用于QTL的分离、定位及遗传效应估计,即QTL作图。
DNA molecular markers discovered in early 1980s have been extensively used for estimating genomic positions and genetic effects of individual QTLs , namely QTL mapping .
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水稻T-DNA整合的遗传定位与位置效应一个水稻多子房突变体的遗传分析与基因定位
Genetic Mapping and Position Effect of Rice T-DNA Integration Genetic Analysis and Gene Mapping of a Rice Multi-pistil Mutant