面积的变化

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面积的变化面积的变化
  1. 而各地区播种面积的变化对其总产量影响不太明显,但华东和中南地区农业播种面积的持续下降对粮食总产量有较大的抑制作用。

    The sown area change has not obvious effects on the production in the various regions , but the continuous decreased sown area has restrained the production in the East and Central South of China .

  2. 结合男西装前片,应用图形关键点缩放法,从曲线的拟合度和曲线相对移动面积的变化来分析样板推放的简便快捷问题。

    By using the front piece of the suit and the zoom method of the pattern 's key points , this paper analyzes the shortcut of pattern making from the coalescent degree of the curves and the area change when the curves move correspondingly .

  3. 流域模型各部分相对体积与其表面积的变化关系可由Gaussian模型来描述。

    The relationship between volume of each part of model and its surface area can be described by Gaussian model .

  4. 居民地的面积的变化对GDP产值与第二三产业的GDP产值有着重要的影响。

    Changes in the residential area have an important impact on GDP output and the second and tertiary industries in GDP output value .

  5. 居民点及工矿用地面积的变化与GDP、社会消费品零售总额和财政收入正相关。

    The changes in residential and industrial area and GDP , the total retail sales of consumer goods and financial income are related .

  6. 通过拉丁方试验,研究了各改性参数对纤维表面改性效果的影响程度,采用XPS、AFM、BET技术对纤维表面化学组成、形貌及其比表面积的变化进行了表征分析。

    The Latin square experiment was used to optimize the treatment parameters . The chemical components , morphology and specific area of fibers surface were characterized by using XPS , AFM and BET technique .

  7. 采用BET法(以氮气为吸附气体)测定海泡石吸附纳米二氧化钛的比表面积的变化,用电子自旋波谱仪ESR对海泡石吸附纳米二氧化钛产生羟基自由基(·OH)的能力进行表征。

    The changes of the surface area of the sepiolite after absorbing nano-TiO_2 were investigated by BET method . The hydroxyl free radical (· OH ) produced by the materials was measured by electron spin resonance ( ESR ) spectra .

  8. 方法健康成人46例,分别行吸气末及呼气末HRCT检查,分析气管形态、径线及面积的变化,肺衰减及肺面积的变化。

    Methods Forty-six healthy adults underwent inspiratory and expiratory HRCT . The shape and cross-sectional area of trachea and lung were assessed , and the lung attenuation and the anteroposterior attenuation gradient were compared .

  9. 目的在SPECT心肌灌注显像展开图的基础上,采用阈值法定量分析正常者与冠心病心肌缺血患者静息和运动状态下心肌缺血面积的变化。

    Objectives Based on the unfold chart of SPECT , the changes of myocardial ischemia area were analyzed quantitatively between volunteers and patients with coronary heart disease ( CHD ) in the state of rest and stress .

  10. 对交通用地面积的变化影响最大的GDP,其次是社会消费品零售总额,最后是公路客运量。第三,土地利用变化对生态安全的影响研究。

    GDP is the greatest impact of the changes in traffic land , followed by retail sales of consumer goods , and finally the amount of highway passenger . Third , the impacts on the ecological security by the land use changes are researched .

  11. 角膜混浊定量分析结果:治疗组在烧伤后角膜混浊评分低于对照组(P0.05),其规律与角膜融解面积的变化曲线相一致,中高浓度组之间则无差异。

    Corneal opacity of quantitative analysis : corneal opacity scores in the treatment groups all less than the control group ( P0.05 ), the change of the law and the corneal melting curve is consistent , but medium concentration and high concentration was not significant differences ( P0.05 ) .

  12. 光镜下观察兔正畸牙PDL血管的形态和分布特征。应用血管灌注和图像分析方法研究PDL血管密度和面积的变化。

    The features of PDL vascular pattern and distribution of all rabbits were observed with light microscope , vascular perfusion and computerized image analysis were used in investigating the changes of the vascular density and area .

  13. 对柴油和重油的吸附实验结果表明:蠕虫状EG对柴油的吸附率远高于颗粒状EG,而比表面积的变化对颗粒状EG的吸附率影响不大;

    The diesel oil and heavy oil sorption test show that : worm-like EG samples behave more significant high specific sorption than those of particle-like ones for diesel oil , however , the specific sorption of particle-like ones are not sensitive to the changes of specific surface .

  14. 方法10只日本大耳白兔胫骨延长至40%后再继续观察8周,测试胫后神经刺激脊髓复合感觉诱发电位(CSEP)潜伏期、峰值、面积的变化。

    Methods Compound sensory evoked potential ( CSEP ) of posterior tibial nerves in both hind limbs of 10 rabbits had been observed for 8 weeks after 40 % tibial lengthening with Nicolet Viking-IV electrophysiological instrument .

  15. 基于此模型,我们分析了小鼠给予尾静脉注射不同浓度的TAT-Ngb蛋白后脑梗死面积的变化。

    Based on the MCAO model , we analyzed the change of infarction area after the mice were given different concentrations of TAT-Ngb protein by intravenous injection .

  16. 采用爆炸动力学程序Object-MMIC数值模拟了FAE爆炸超压场的时空分布,分析了针对有生力量的冲击波毁伤半径及面积的变化规律。

    The space-time distribution of FAE detonation overpressure field is simulated by means of Object-MMIC , a dynamic program , in this paper . The changing pattern of damage radius and area of shock wave with effectivity are analyzed .

  17. 牧草地面积的变化与经济非农化负相关,与机械总动力正相关。

    Changes in pasture and the non-farm economy is negative correlation .

  18. 杨木硫酸盐浆在生物酶处理过程中纤维表面积的变化

    Change in Fiber Surface Area of Aspen Kraft Pulp during Enzymatic Treatment

  19. 并分析了索面积的变化对整个结构受力性能的影响。

    Analysing the influence to the entire structure because of cable area changes .

  20. 空间场的仿射变换下平面图形面积的变化规律

    The change law of the plane figure in space area under affine transformation

  21. 油红O染色观察小鼠主动脉根部斑块面积的变化。

    The changes of atherosclerosis plaque size were observed by oil red O staining .

  22. 中国近20年来耕地面积的变化及其政策启示

    Change of arable land area in China during the past 20 years and its policy implications

  23. 径流的变化可以影响水田面积的变化,而近年来水田面积的不断减少并没有影响径流量的变化;

    The change of the runoff could result in the change of the area of the paddy field .

  24. 各疗效组患者手术前后腭后区截面积的变化差异有统计学意义。

    There were significant differences in the cross-section areas ′ changes of the velo-pharyngeal among the four groups .

  25. 但是没有得出具体土地面积的变化对农牧民生活带来多大的影响。

    However , there is no specific land acreage which influence on the life of peasants and herdsman how .

  26. 基于三维个体晶粒表面积的变化率与晶粒拓扑性质之间的定量关系和晶粒尺寸-面数关系的假设,推导了一个拓扑相关的个体晶粒长大速率方程。

    A new topology-related individual grain growth rate equation was derived under the assumption of the statistical grain model .

  27. 研究了反应过程中,煤焦的孔结构和内表面积的变化及它们与气化速率间的关系。

    The relationship of the change of pore structure and inner surface area during gasification with gasification rate was studied .

  28. 通过对不同比例函数和曲线数据的实验,得到了调配曲线的周长和面积的变化特性。

    Characteristic of perimeters and areas of in-between shapes were obtained through experiments of various proportion functions and curves data .

  29. 结果表明,地处城市边缘区的黄陂区耕地面积的变化主要是受社会经济的快速发展、人口增长、农业结构调整及耕地比较效益的影响。

    The result indicates that the growth of population and economic development are dominical factors for change of Huangpi cultivated land .

  30. 然后通过一系列表征手段系统地研究了这些纳米结构在碱热处理条件下维度、晶体结构及其比表面积的变化。

    Then , the changes of dimensionality , crystal structure , and specific surface area of the nanostructures were investigated systematically .