The model was developed to simulate seasonal and annual growth, foliage projective cover (FPC), and evaporative coefficient in the Ordos plateau, where serious desertification happened recently.
该模型用于模拟发生严重荒漠化的鄂尔多斯高原植物群落的季节及年生长、叶片投影盖度、蒸发系数。
Single age variable stock volume growth model had low coefficient of determination, but it was improved a lot by introducing site index and stand density index in reparameterization.
林龄单因变量的蓄积量生长模型决定系数低,引入地位指数和密度指数再次参数化的生长模型可显著提高模型拟合度。
The results show that the content of nutrition have distinct effect on feed coefficient rate and growth rate of turbot .
试验表明不同营养配比的饲料,其饲料转换率有着较大的差异,会导致鱼体生长的显著差异。
Quantity genetic analysis showed that genetic variation coefficient, performative variation coefficient and hereditary ability of growth properties were greater than physiological properties.
数量遗传分析表明,各生长指标的遗传变异系数、表型变异系数和广义遗传力一般均大于生理指标;
If the relative variability of cumulative vegetation index and cumulative precipitation during the winter wheat growth cycle is adopted, the correlation coefficient between both is raised.
如果取冬麦生育期的累积植被指数和累积降水量的相对变率则其间的相关系数将提高。
Biomass production in the entire growth period, dry matter accumulated before and after heading stage, economic coefficient in high-yield rice were higher and their deviations were relatively narrow.
高产水稻株系的抽穗前物质生产量、抽穗后物质生产量、生物产量以及经济系数均较高且变异系数相对较小。
Although the increase of wind speed can lead to the accretion of the collision coefficient, but the effect is not large, relatively slow growth of the collision factor.
风速的增大虽然能导致绝缘子表面碰撞系数的增大,但影响不是很大,碰撞系数增长较缓慢。
Single crop coefficient approach is simpler than dual crop coefficient approach. It is suggested to using single crop coefficient approach for calculating crop water requirements of growth stages.
单作物系数法比双作物系数法简单,建议在进行生育期作物需水量计算时采用单作物系数法;
The oscillating lift coefficient increases with the growth of the void fraction in such a way that it increases slowly before the void fraction up to 0.1 and after that, increases faster.
脉动升力系数先随含气率的增大而缓慢增加,在含气率增大到0.1后增大得较快。
Moreover, the Epan coefficient of different treatments were computed and the reasons that affect the poted peach growth were described.
此外还进行了蒸发皿系数的计算,对影响盆栽桃树的生长的因素进行了分析。
This paper examines the relationship between inflation rate and economic growth rate in China by using the methods of regression and coefficient test.
通过回归和系数检验实证,分析了我国通货膨胀率与经济增长率之间的关系。
Studies have been made on the coefficient of water stress with the features of growth, physiology and conformation, and the economical output about various crossbreed maize by a pot experiment.
采用室内盆栽方法研究了不同杂交玉米品种的生理生长发育特征以及经济产量等指标对水分胁迫的响应。
The cracks growth induce the increase of permeability coefficient, ultimately the change of seepage field.
岩体裂纹的扩展引起岩体渗透系数的增加,导致渗流场的改变。
The level the anisotropic research, basing on the lamination factor, the sandstone density and the overlap coefficient describes the sand body growth and the distribution;
层间非均质性研究,通过分层系数、砂岩密度及重叠系数来描述砂层的发育与分布;
With the proportion of agriculture fixed, the agricultural growth rate can deduce the Gini coefficient directly.
在控制住农业比重时,农业增长率的提高直接促进基尼系数的减小。
The orbits of an electron in self-fields, linear wiggler and axial fields are calculated. Then the spontaneous emission coefficient and the growth rate of the stimulated scattering are obtained.
本文计算了在平衡自场、线性摆动器场和轴向磁场作用下的电子轨道,并由此求得有线性摆动器的自由电子激光器的自发辐射和受激辐射。
Elasticity coefficient of energy consumption is 0.58. That is to say, if the value of economic growth increases by 1 percent, the energy consumption would increase by 0.58 percent.
能源需求与经济增长之间存在着长期均衡关系,能源消费弹性系数为0.58,即经济增长每增加1%,对能源的需求量将增加0.58%。
Finally, founding a low cost growth model in order to estimate the cost coefficient and the cost is 2.2 times than the growth.
最后,建立代价增长模型估算得到的结论是:在经济增长中成本平均是经济增长的2.2倍。
This paper considers the classification compression principal component estimate of regression coefficient in growth curve model and proves that it is superior to least squares estimate.
研究岭型主成分估计在降维估计类中的方差最优性,证明了它的方差阵在降维估计类中最小,方差阵的特征值最小,方差和及方差积最小。
Adding suitable microbial fermented feed in bait in tilapia breeding could promote the growth, enhance the survival rate, decrease the feed coefficient and increase the economic benefits.
其饲养经济效益均有提高,且以添加15%复合微生物发酵饲料所产生的单位利润最高。
Adding suitable microbial fermented feed in bait in tilapia breeding could promote the growth, enhance the survival rate, decrease the feed coefficient and increase the economic benefits.
其饲养经济效益均有提高,且以添加15%复合微生物发酵饲料所产生的单位利润最高。
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