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因子
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  factor
    Study on the Effects of Extremely Low Frequency Magnetic Field on Cytokine Receptor Gene Expression and Transcription Factor Activation
    极低频磁场对细胞因子受体基因表达及转录因子影响的研究
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    FACTOR ANALYSIS USED IN INVESTIGATION OF REGIONAL DISTRIBUTION OF RAIN CHEMICAL COMPONENT
    因子分析法用于降水化学组分地域分布的探讨
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    CORRESPONDENCE FACTOR ANALYSIS OF THE WATER POLLUTION
    对水质污染的对应因子分析
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    FACTOR CLUSTER ANALYSIS OF WATER QUALITY IN MEILIANG BAY, TAIHU LAKE
    太湖北部梅梁湾水域水质因子聚类
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    Discrimination of an atmosphere pollution source in seashore by a factor analysis method
    因子分析法用于近岸海域大气污染来源的判别
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  “因子”译为未确定词的双语例句
    A REGIONAL ASSESSMENT METHOD OF MULTI-FACTOR AIR POLLUTION HEALTH EFFECTS
    多污染因子健康影响的区域性综合评价方法
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    Study on the sea contribution to atmospheric aerosol in Qingdao district
    青岛地区大气气溶胶海洋因子贡献研究
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    Base on the datum of water envorinment montoring in Yancheng city between 2003 to 2005 and the surface water envorinment quality standard-GB3838-2002,synthetic pollution index method is used to analyse and evaluate the water quality in the surface water of Yancheng segment of Tongyu river and the main pollution fators such as dissolve oxygen,permanganate salt index,ammonia nitrogenand five days biochemistry demand oxygen,and the countmeasures to prevent water pollution are put forward.
    依据2003~2005年盐城市水环境监测数据和《地表水环境质量标准》GB3838-2002,采用综合污染指数法对通榆河盐城段地表水进行水质分析评价,指出盐城市水质主要污染因子为溶解氧、高锰酸盐指数、氨氮和五日生化需氧量,并在评价结果的基础上提出了若干水污染防治的措施。
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    76 monitoring wells were laid,a single index method and the method of the comprehensive evaluation were used and the groundwater trends was analyzed.
    在全市境内布设76眼监测井,用单因子法和综合法对地下水质量进行了评价,并对地下水水质变化趋势进行了分析。
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    (2) Using soil temperature (Ts) as a dependent variable, all of Van′t Hoff equation, Arrhenius equation and Lyold-Talor equation can explain a considerable variation of Fcb, Among those three equations Lyold-Talor equation is the best to reflect the relationship between soil respiration and temperature for its ability in revealing the variation of Q10 with temperature;
    (2)Van’tHoff方程、Arrhenius方程和Lloyd-Taylor方程均可以较好反映土壤温度(Ts)与Fcb的关系,其中仅Lloyd-Talor方程能够反映温度因子敏感性指标Q10随温度的变异性特征;
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  factor
Can one factor the classical adjoint of a generic matrix
      
Like the lattice factorization, the decomposition presented here asymptotically reduces the computational complexity of the transform by a factor two.
      
Alcohol abuse is thought to be a risk factor for the cause of liver damage, hyperlipidemia and insulin resistance.
      
PHENYLPYRUVIC ACID DERIVATIVES AS ENZYME INHIBITORS: THERAPEUTIC POTENTIAL ON MACROPHAGE MIGRATION INHIBITORY FACTOR
      
3D QSAR STUDIES OF INHIBITORS OF EPIDERMAL GROWTH FACTOR RECEPTOR [EGFR] USING CoMFA AND GFA METHODOLOGIES
      
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In this paper; the expressions of plume axis height, reflecting coefficient and transporting factor in Gaussian Diffusion-Deposition Model are derived by using theoretical and experimental results in planetary boundary layer in order to obtain a new Gaussian Diffusion-Deposition Model that could be used to describe variation of wind speed with height.

文章利用大气边界层风速廓线的理论和实验研究结果,重新推导了高斯扩散沉积模式中烟轴高度、地面反射系数及输送因子表达式,从而导出了能描述风速随高度变化的新的高斯扩散沉积模式。 文章还利用数值计算的结果讨论了风速廓线对地面相对浓度的影响。

In this paper some characteristics of the aerosal in a dust storm occurring April 18-20, 1980,over Bering area were described. Analysis of meteorological data showed that the dust storm was formed in Hami area of Xingjiang Province and western part of Inner Mongolia. The strong wind area moved first toward east and then southeast when it reached central part of the Inner Mongolia and Hebei Province. By means of the 326-meter observation tower and radiosounding technique the Structure of atmospheric boundary...

In this paper some characteristics of the aerosal in a dust storm occurring April 18-20, 1980,over Bering area were described. Analysis of meteorological data showed that the dust storm was formed in Hami area of Xingjiang Province and western part of Inner Mongolia. The strong wind area moved first toward east and then southeast when it reached central part of the Inner Mongolia and Hebei Province. By means of the 326-meter observation tower and radiosounding technique the Structure of atmospheric boundary layer was discussed for the dust storm.

本文讨论了1980年4月北京地区一次尘暴过程的气溶胶特征。气象资料分析表明,这次尘暴大风形成于新疆哈密及内蒙西部一带,开始大风区向东移动,到内蒙、河北一带又转向东南方向移动。利用325米气象塔和探空资料讨论了尘暴过程大气边界层的结构。 尘暴气溶胶浓度比平时要高一个量级,气溶胶中元素含量是用中子活化法分析的。分析结果说明,元素Eu和Ta只存在于尘暴气溶胶中,其它元素基本一样,但其含量变化较大。富集因子的计算表明,气溶胶中元素Se、As、Br、Sb主要来源于煤的燃烧。 从形成尘暴的气象背景的讨论和尘暴气溶胶中元素资料的分析,初步认为,这次尘暴气溶胶主要是由形成尘暴大风地区及其移动路经地区的沙土微粒被风带入高空混合而形成的。

103 samples of airborne particles were collected at 9 different sites in Beijing area by using Hi-volume air sampler and analyzed for 21 elements by x-ray fluorescence, atomic absorption spectrometry and ICP. In some of the samples phase analysis of α-SiO2 and CaCO3 was done by X-ray diffraction method.

选择北京地区7—9个采样点(五个功能区),用大容量采样器按季定期采集飘尘样品(103个)。用x射线荧光、x射线衍射、原子吸收、等离子体发射光谱等方法分析了飘尘中21种元素,并鉴定了α-SiO_2(α-石英)和CaCO_3(方解石)的物相。用元素相对浓度(x/Fe或x/Si)和富集因子(EF地壳以Fe为参比元素)进行了数据处理与分析,阐明了北京大气飘尘的化学特性以及不同地区、不同季节的差异与变化。根据分析结果认为,北京地区飘尘中的主要化学组分大都来源于自然界风砂或土壤;在飘尘中富集最高的元素S、Zn、Pb等可能主要来自人为污染源。估算了飘尘中风砂所占比例约为33%、硫酸根约为6%。

 
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