影响因子

  • 网络impact factor;Impact Factor, IF;sci
影响因子影响因子
  1. 基于影响因子与h系列指数的期刊学术水平综合评价指标研究

    Research of Composite Indicator Based on Impact Factor and H Series Index

  2. 结果1.A指数具有比h指数、影响因子、被引频次等指标更好的综合评价期刊的能力。

    A-index has better evaluation ability on journals than h-index , impact factor and other indices .

  3. 光合物质生产模型中引入了温度、氮素、CO2影响因子修正实际光合速率。

    Temperature , nitrogen and CO2 was considered in photosynthetic matter production submodel .

  4. 其主要影响因子为土壤质地、全量、pH值和有机质含量。

    Soil texture , total contents , pH values and organic matters were the main factors influencing available micronutrients .

  5. 并得出沙米Pn及影响因子之间的回归方程。

    The regression equation between Pn and its influence factors is educed .

  6. 烟草RAPD分析影响因子初探和优化程序

    Studies on the influencing factors and optimum procedure of RAPD analysis in tobacco

  7. 结果表明,蛋白胨的含量和接种pH值是肉桂酰胺生物合成的最显著影响因子,葡萄糖和黄豆粉对肉桂酰胺的浓度也有明显影响。

    The results showed that the content of peptone and pH value were the significant factors for the production of cinnamamide .

  8. 从周期外推法出发,提出了一种基于神经网络的外推法修正模型:通过BP网络进行训练,找到随机因素(如天气等)对负荷的影响因子,然后将其作为周期外推法模型的修正项。

    Based on general period extrapolation , a new method was proposed , which error was modified by BP network .

  9. 成都平原土壤重金属Pb的化学形态分布及其影响因子分析

    Analyse of the chemical forms and infection factor of heavy metal Pb of soil in Chengdu plain

  10. 在BP神经网络法中,突破性加入了气候及城市经济发展这两大因素作为影响因子预测天然气用气负荷。

    Revolutionary add the factor of climate and development of urban economy as impact factor to forecast load of nature gas .

  11. 研究中从多个影响因子分析出发,在此基础上,得到了ET0不同因子BP神经网络模型,通过检验结果分析,得到这些模型的特点和适用范围。

    Based on the analysis of influence factors of ETo , BP neural network models with different structure have been established .

  12. 对遴选的洪泛土壤对N和P滤过截留作用的影响因子进行了灰色关联分析,得出了洪泛湿地土壤对N和P滤过截留作用的影响因子的强弱排序。

    Grey relationship was analyzed for N and P interception function of each factor in the flooding wetland soils . The sequence of the factors in were determined .

  13. 工业型城乡交错区农业土壤Zn的空间分异及其影响因子探讨&以无锡市为例

    Spatial Variability of Zn in Agricultural Soils and Its Affecting Factors in Industrialized Peri-urban Areas ── A Case Study of Wuxi City

  14. 针对液态二氧化碳(LC)的播撒问题,给出了其播撒装置的基本特征、播撒率及主要影响因子;

    The primary features , seeding rate and main dominant factors of the liquid carbon dioxide seeder are described .

  15. 回顾了我国科技论文评价工作的概况,介绍中国科学数据库CSCD,提出要重视科技期刊的影响因子在科技论文评价中的作用。

    This essay reviews the survey of evaluation in Sci-Tech papers .

  16. 首先,通过静态释放实验,研究胶州湾近岸沉积物中有机污染物(COD)的静态释放量、释放速率以及释放的影响因子;

    First , the release behaviors of organic pollutants , including of amount and rate , and influence conditions of organic pollutants in coastal sediments , were investigated ;

  17. 基于MODIS影像,采用分裂窗算法反演的地表温度对长株潭地区城市热岛空间分布与季相变化特征、影响因子进行定量研究。

    In this paper , the land surface temperature of Inner Mongolia area is retrieved by means of split-window algorithm based on MODIS data .

  18. 通过研究各因子在TM影像上的分布、形状、纹理等识别特征,探讨了水土保持影响因子在遥感判读中的信息提取方法。

    To analyze the distributing shape , texture and identification features of these factors in the Landsat TM images , the information extraction methods of these factors from remote sensing interpretation are discussed .

  19. FPAA方法通过定义函数影响因子,克服了RPAA和PAA方法的不足。

    The proposed method overcomes the disadvantages of RPAA and PAA by defining the influence factor of function .

  20. 结果表明:长江万州段主要的重金属污染因子为Cd,生态风险影响因子顺序为:Cd>Zn>Pb>Cu>Cr。

    It is revealed that the main pollution factor is Cd . The sequence of ecological risk is Cd > Zn > Pb > Cu > Cr , and the potential ecological risk is Cd > Pb > Cu > Zn > Cr.

  21. 提出了用基于遗传算法的门限回归模型(TR)描述地下水位及其影响因子之间复杂非线性关系的新方法。

    The threshold regressive ( TR ) model is suggested to describe the complex nonlinear relationship between groundwater level and its influence factors . A general and simple scheme is presented for the TR modeling .

  22. 离子交换层析分离提取固体培养残基中虫草素的正交实验表明洗脱流速、料水比为主要影响因子,最优条件为:料水比1:16,离子柱pH3.5;

    The orthogonal test of ion exchange chromatography showed the main influential factors were flow rate of elution and ratio of material to water .

  23. 以辽宁原油消耗为研究对象,综合运用EKC曲线模型和IPAT模型对辽宁石油资源消耗变化及影响因子进行了模拟分析。

    According to the status of the crude oil consumption in Liaoning , petroleum resource consumption change and its controlling factors were analyzed with Environmental Kuznets Curve ( EKC ) and IPAT model .

  24. DCA分布图的对角线基本反映了水淹时间长短和土壤湿度高低,表明水淹时间和土壤湿度是该区域植物群落组成和空间分布的主要限制性影响因子。

    Diagonal line of the two-dimensional ordination diagram of DCA indicated that soil water content is highly correlated to submersed duration in the areas , suggesting that the major factors restricting distribution and composition of plant communities are submersed duration and edaphic humidity .

  25. 介绍了国际著名数据库JCR收录的16种影响因子较高的昆虫学科期刊,包括期刊基本情况、出版发行机构信息、期刊影响因子、相关联系方式以及期刊收录论文范围等。

    In this article , the author introduced 16 journals that the internationally famous database JCR , including periodical basic situation , issue organization information , periodical influence factor , relevant contact way and periodical include thesis range , etc.

  26. 本文分析了PNA型环流的年际变化和影响因子,发现它存在两种优势周期振荡:一种是3&5年的振荡,另一种是10年左右的振荡。

    In the present article , the interannual variation and the influential factors on the PNA pattern are analyzed . It is found that the PNA pattern has two predominant oscillations , one is the 3 - 5 year oscillation , the other is the ten-year oscillation .

  27. 根据ERBE和ISCCP资料以及实测和计算的地表净辐射资料进行了计算,并讨论了我国大气净辐射的气候特征;分析了其与各辐射分量及影响因子的关系。

    In the context of ERBE and ISCCP data , measured and calculated surface net radiation , investigation is performed of the climatic features of atmospheric net radiation ( ANR ) over China , along with the relations to its components and affecting factors .

  28. 优质稻米与环境技术条件的影响因子

    High-quality Rice and Influence Factors of the Technological Condition of Environment

  29. 园林树木净菌作用及其主要影响因子

    Effect of Cleaning Bacteria of Gardening Trees and Its Affecting Factors

  30. 利用流域影响因子推算山坡坡度的研究

    Study on Calculation of Mountain Slope Using by Basin Contributory Factor