height curve

The Height Curve and Volume Curve Derived from the Theory of Column Buckling

基于柱体屈曲理论的树高曲线式和材积式

As we all know , height curve play an important role in the forest management and forest yield regulation .

树高曲线在森林经营和收获调整中具有重要的作用。

Study on Diameter - Height Curve Model of Poplar in Jiangsu Province

江苏省杨树树高曲线模型的研制

Studies on the Relative Height Curve Models of Pinus massoniana Plantations and on Their Application

马尾松人工林相对树高曲线模型及其应用研究

Plotting of Critical Metacentric Height Curve in Accordance with IMO 's Intact Stability Criteria and Weather Criteria

IMO完整稳性衡准和天气衡准下临界初稳性高度曲线的求作方法

The accuracy of the stand density control diagram is 97.6 for equivalent height curve , 98 . 9 % for equivalent diameter curve .

本密度管理图的精度，等树高线为97.6%；等直径线为98.9%，符合生产要求。

At the same time , through the establishment of tree height curve model and other auxiliary model for the Cunninghamia lanceolata , the plantation stand structure rules are predicted .

同时通过建立树高曲线模型和其他的辅助模型，对杉木人工林的林分材种结构规律进行预测。

A reliable software to process the source data and to reconstruct the 3D profile of the test mirror is completed which can output height curve or surface profile and can also achieve other functions .

给出了三维面形重构方法，并编制数据处理软件，可以把测量数据处理成高度曲线或三维面形。

The sample plot survey data were used to establish the relative height curve models of Pinus massoniana plantations to guess and estimate the sample plot stocking in combination with the binary volume table .

利用标准地调查数据，建立马尾松人工林相对树高曲线模型，结合二元材积表测算标准地蓄积量。

Studies on Stability for Parameters in Height diameter Curve of Chinese Fir

杉木树高曲线参数稳定性的研究

As a result , the height growth curve of Pinus taeda plantation is available for forestry production .

精度检验表明：用Sloboda树高生长模型拟合的火炬松人工林多形地位指数曲线可以应用于林业生产实践。

Methods Using LMS (λ median coefficient of variation ) method fitting height centile curve for children and adolescence aged 0 ~ 18 years .

方法采用LMS（λ中位数变异系数）法对西安市0～18岁儿童青少年身高百分位数进行拟合。

Pier height , curve radius , pivot pre-eccentricity and so on are taking into account for the impact prestress . We acquire the law about the impact of prestress with parameter varies .

考虑了墩高，曲线半径，偏心距对预应力效应的影响，得出预应力效应随各种参数的变化规律，并探讨了在预应力的作用下，最优偏心距与曲线半径的关系。

A nonparallel shift in the yield curve involving the height of the curve .

是指收益曲线隆起或弯曲的变化程度。

The postoperative intervertebral height , the curve of cervical spine , the rate and time of grafting bone fusion were observed .

观察椎间隙高度变化，生理曲度变化，植骨融合率及融合时间。

In the different height , change curve of the friable rock level stress shows multinomial form , multinomial frequency in turn lift with height ;

在不同冒落高度条件下，松散岩体的水平应力变化成多项式，次数随冒落高度依次升高；

The regulative effect of lime application on N , K contents , Ca2 + - ATPase and sugarcane height resembled quadric curve .

石灰施用量与甘蔗叶片N、K含量、Ca2＋－ATP酶活性及甘蔗株高里极显著或显著的二次函数曲线相关；

In this paper , the complex TPR curves with tailing or overlapping were analyzed . The D-M distribution function was used to describe quantitatively relation between peak height of TPR curve and temperature .

借助对称因子法对复杂的TPR图谱（如拖尾、重叠峰等）进行了详细的分析，以D－M分布函数描述TPR峰高和还原温度之间的定量关系。

The changeable parameter taper equation were established , and the parameters were solved throught immunity evolve algorithm . We found the fitting model of forecast inside bark diameter at breast height and height curve for Fukien cypress .

建立了福建柏人工林可变参数削度方程，通过免疫进化算法求解参数；拟合了福建柏的去皮胸径预估模型、树高曲线模型。

After 6 months of operation , the radiograph of 2 cases of cervical disk herniation , which were treated by bone graft only , showed the bones lost their height and the curve of the cervical spine returned to the state of preoperation .

2例颈椎间盘突出症行单纯植骨者，术后6个月X线片显示植骨块塌陷，颈椎曲度回复至术前状态；

Methods : The morphology of the potential passageway at foramen ovale on interatrial septum in 45 grown-up heart samples was observed and the width and height and the curve length of the potential passageway of left and right atrial surface were measured .

方法：观察45例成人心脏标本房间隔卵圆窝缘上部下方潜在通道的形态，测量潜在通道在左、右心房面开口的宽度、高度和其弧形长度。

Forty-six cases of SPN with pathological and ( or ) clinical results were studied with dynamic helical CT scan . Pre-and post-contrast attenuation , peak height of time-attenuation curve , and ratio of peak height of the SPN to that of the large artery were evaluated .

并对其中46例经病理及临床证实的SPN的CT动态增强特点进行评价，评估其增强前后的CT值、强化峰值、SPN与主动脉的强化值比。

From tanks-in-series model , the peak height of a response curve obtained from flow injection analysis is correlated with two terms , the peak area and the peak width at 25 % of the height .

根据串联釜模型，流动注射分析响应曲线的峰高与峰面积、1/4峰高处的峰宽两个因素有关。

Under the condition of seismic fortification intensity 8 , Some seismic response property curves are drawn , for example , distribution curve of horizontal displacement varying with building height , and distribution curve of story shearing force varying with building height .

以及结构在8度抗震设防情况下水平位移沿楼层高度分布曲线、楼层剪力沿楼层高度分布曲线。

If the validity of vertical prestress can be guaranteed effectively , the principal tensile stress can also be inhibited ;( 4 ) Parametric analysis is taken on web thickness , beam height and the soffit curve of the main girder .

若能保证竖向预应力的有效性，能有效抑制主拉应力的产生。（4）对主梁腹板厚度、梁高及变化规律进行参数化分析。

We digitizing the analog signal when detection the acquisition system of wave height and incline angle . As a result , we can use the computer to draw real-time wave height curve .

在对波高倾斜数据采集系统的检测，针对采集板是模拟信号，我们将其进行数字化处理，利用计算机中的软件实现实时数据绘图。

The height o : f obstacle can be calculated after the determination of obstacle location , by using both the height - loss curve and the formula of diffraction loss .

障碍物高度的确定，可在障碍物的位置确定的基础上，由高度&损耗曲线和绕射损耗公式相结合，推算出来。