查询词典 variation coefficient

The conclusion of paper conclude two parts:1. the hand of the Geological Character(1) Shandong conclude six research plots: the hard magma rock plot, the hard sediment rock plot, the plain and riverway alluvium-proluvial plot, the alluvium strand plain plot, the bajada plot and the mountain front sedentary plot.(2) The span of physical and mechanical index is effected by the character of stratum and geological zone. The normal value of physical and mechanical index is not even. The coefficient of variation of synthesis is bigger than the coefficient of laminate. The coefficient of variation is divided into three level: dry density

为获得满意的成果，主要进行以下研究内容：分析研究山东省的地形地貌特征、地层岩性特征、地质构造特征、地下水特征、地质灾害特征及第四系分布特征等，全面系统地了解了山东省的区域地质特征；将山东省划分为两个研究区和六个研究亚区，给出各个研究亚区的工程地质特征和典型地层柱状图；根据山东省已建高速公路的工程勘察资料，统计分析3957个样本点，得到各研究区典型地层的地基承载力取值范围和9个物理力学指标的标准值；利用ARCVIEW和

Angular spectral is spectral value map formed by estimating semblable coefficients of fast and slow shear wave or the variation of amplitude ratio of fast and slow shear wave with times and angles at a specified space point based on semblable theory of fast and slow shear wave, the angle value of this space point at a given time can be got by picking the maximum of angular spectral; the study reveals that fast and slow shear wave with different polarization direction should be separated using different rotation formula, eight formulas of separating fast and slow shear wave using clockwise rotation and counterclockwise rotation have been derived, and gained energy assignment rule and phase coincidence rule, in real data estimation, the rotation formula used for separating fast and slow shear wave can be uniquely determined on the two discriminating rules. On the basis of semblable theory of fast and slow shear wave, the delay time corresponding to the maximum of semblable coefficients at a specified point in a given time window is the delay time of fast and slow shear wave, delay time section of fast and slow shear wave can be got by moving space point and smoothing time window. The vertical variation values of delay time of fast and slow shear wave reflect the effect degree of vertical fractured reservoir on fast and slow shear wave which is defined as anisotropic coefficient, and section map of anisotropic coefficient can be obtained.

角度谱就是利用快慢横波的相似性原理，在某一空间点求出快慢横波的相似系数或快慢横波的振幅比值随着时间和角度的变化而形成的谱值图，拾取其极大值就得到该空间点某一时间的角度值；在研究中发现分离不同偏振方向的快慢横波应该采用不同的旋转公式，推导出了利用顺时针旋转和逆时针旋转分离快慢横波的八个公式，并给出了能量分配准则和相位一致性准则两个判别准则，在实际计算中利用这两个判别准则能唯一地确定分离快慢横波的旋转公式；根据快慢横波的相似性原理，在某一给定点和给定时窗内最大相似系数对应的延迟时间就是快慢横波的延迟时间，随着空间点的移动和时窗的滑动就可以得到快慢横波延迟时间的剖面图；快慢横波延迟时间与慢横波传播时间的比值定义为裂缝密度，并求出了裂缝密度剖面图；快慢横波延迟时间纵向上的变化值的大小反映了纵向上裂隙层对快慢横波影响的大小，定义为各向异性系数，并求出了各向异性系数的剖面图。

Study shows that,pH smallest coefficient of variation was 12.95%,coefficient of variation of soil available phosphorus was the largest,varia...

研究表明，pH的变异系数最小为12.95%，土壤有效磷的变异系数最大，变异值达到了122.18%；经克里金插值分析，研究区土壤养分的空间相关性减弱，朝均一化发展，这说明了红花套镇土地养分变化受人为因素影响较大，当地的土壤适合并已形成大面积的发展种养殖业，传统的稻、麦、棉种植数量和产量都与红花套镇的人平纯收负相关，对当地人平纯收贡献最大的是柑桔总产，相关系数分别为0.822，0.966，土地利用效率最大的是水产品养殖，相关系数分别为-0.760，0.870。

Studies of stability of capacitance for the standard capacitor include temperature coefficient, voltage coefficient and pressure coefficient of capacitance, i.e., the rules of variation of capacitance as a function of temperature, voltage and pressure.

1000kV标准电容器是目前国内研制的电压等级最高的标准电容器，本文在分析国外标准电容器有关资料和多年来积累的研究和制造500kV及以下标准电容器经验的基础上，针对1000kV级标准电容器进行了大量的研究工作，主要内容包括标准电容器的电容稳定性、介质损耗、电场分布的分析与调整、沿面电位分布等研究。

Significantly genotypic differences and great variations were detected in grain β-amylase activity,β-glucan and protein fraction contents. The largest variation and highest average value of β-amylase activity were found in Hangzhou 2006-2007, while the trend of coefficient of variation was opposite to the mean content of β-glucan over different environments. Hordein content had the highest correlation coefficient with β-amylase activity among four protein fractions.

研究结果表明：籽粒β-淀粉酶活性、β-葡聚糖和蛋白组分含量均存在显著的基因型差异；杭州2006-2007年度种植条件下的β-淀粉酶活性均值和变异幅度最高，且β-淀粉酶活性和β-葡聚糖含量的变异系数和变化趋势恰好相反；4种蛋白质组分中，醇溶蛋白含量与β-淀粉酶活性呈显著正相关。

It is suggested to reduce earthquake actions, that is to say, R=3.5. According to statistical processing and analysis of 23 examples, variation regularities of structural coefficient, ductility coefficient, overstrength coefficient and displacement amplification coefficient are acquired.

通过对23组算例统计分析，研究层数、跨度、竖向恒载和跨数对结构影响系数、延性系数、超强系数以及位移放大系数的影响规律。

In this study, based on the Rnl, extinction coefficient k, transition coefficient of canopy layer stomatic resistance K', aerodynamics resistance ra and rc calculated with the data of Rn, LAI, rsi, the daily transpiration variation of Picea purpurea, Larix principisrupprechtii, Hippophae rhamnoides ,Betula platyphylla and Populus cathayana were studied in Datong County, Qinghai Province. Comparing with the practical transpiration variation measured by Li1600 Steady Porometer, the relative error of this model was less than ±15%, and the results were stabilized and tested by precision analysis.

本研究通过对Rn、LAI、rsi的实地观测，确定了林冠截流净辐射、消光系数、冠层阻力转换系数、空气动力学阻力和冠层整体气孔阻力，对青海大通地区紫果云杉、华北落叶松、沙棘、白桦和青杨的日蒸腾过程进行了模拟，与用快速称重法订正的Li1600稳态气孔仪实测蒸腾结果对比，模拟的相对误差在±15%以内；模型敏感性分析发现，温度、LAI以及rsi是决定模拟结果的主要参数，模型对各参数变化反应不敏感。

By using the direct distillation principle, an improved and quick method which can determine the protein content in maize, soybean meal, rapeseed meal, fish meal, wheat bran, formula feed for swine and formula feed for chicken was established. The result of the study on 142 products belonging to 7 kinds of feedstuffs in three laboratories suggested that: the DD method has fine correlation with the National Standard Method. The relative deviation of the two methods was in conform to the National Standard. The coefficient of variation between different laboratoies was lower than 3%, the coefficient of variation within single laboratory was lower than 2%.

利用直接蒸馏法原理，经研究改进而建立的快速测定玉米、豆粕、菜籽饼、鱼粉、麸皮、猪配合饲料、鸡配合饲料蛋白质含量的新方法。3个实验室对7种类型142个饲料产品的研究结果表明，本法与国标法有很好的相关性，两法测定值相对偏差均达到国家标准规定的要求。

But significant differences were found in coefficient of variation and broad-sense heritability (H2) of the three characters: CV and H2 of self-pollinated fruiting rate were both greatest, with the variation mainly resulted from inheritance, and high inheritance potential; H2 of fertile flower rate was the least and its variation was less from inheritance; CV of average fruit weight was the least and its inheritance potential is small. Thirdly, the ratios of sweet to bitter kernel of F1 progenies in positive and reverse crosses between Katy and Taianshuixing were 18∶16 and 13∶12, and were both in agreement with a 1∶1 segregation by χ2 test, which demonstrated that the bitter kernel character of Katy was heterozygous.

但3个性状的变异系数和广义遗传力(H2)均差异很大，其中自交坐果率的变异系数(101.5%～139.1%)和广义遗传力(87.1%～91.4%)均较大，表明变异主要来自遗传效应，并且自交坐果率的遗传潜能大；有效花比率的广义遗传力最小(36.8%～49.1%)，表明其遗传效应较小；平均单果重的变异系数最小(24.0%～29.7%)，说明平均单果重的遗传潜能小；（3）凯特与泰安水杏正反交的杂种一代甜仁与苦仁的比例分别为18∶16和13∶12，经χ2检验符合1∶1的分离比例，证明控制凯特杏甜仁与苦仁这对性状的基因位点是杂合的。

In the increase density 0.05, 0.5mgkg-1 scope, the sea cabbage average increase returns-ratio is 85.1%~93.3%, the coefficient of variation is 5.39%~12.05%; The soil average increase returns-ratio is 90.9%~98.5, the coefficient of variation is

在添加浓度0.05、0.5mg·kg-1范围内，甘蓝平均添加回收率为85.1%~93.3%，变异系数为5.39%~12.05%；土壤平均添加回收率为90.9%~98.5，变异系数为

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At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。