削度
- 网络taper
![削度](../cache/1160371.jpg)
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削度方程和出材率表的研究
Studies of taper equations and the table of merchantable volumes
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刺槐无性系人工林干形与削度研究
Studies on the stem form and taper of black locust clonal plantations
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马尾松可变参数削度方程及应用
Study and Application of Taper Equation of Variable Parameter of Pine massoniana
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黑龙江东部地区落叶松人工林削度方程研究
Studies on taper equation for larch plantation in eastern Heilongjiang
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削笔刀的历史削度方程的研究
History of the pencil-sharpener A STUDY ON TAPER EQUATION
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立木削度模型建立与应用的探讨
Establishment and Implementation of Standing Tree Taper Models
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削度方程和林分直径结构在编制材种表中的重要意义
The Significance of Taper Equations and Stand Diameter Structures in Developing Merchantable Volume Tables
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另外对所比较的削度方程和材积比方程作了评价。
Evaluations are also made on taper equations and volume ratio equations being compared .
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日本落叶松削度方程和林分材种出材率表的研究
A Study on Taper Equation and Stand Outturn Tables of Wood Sorts for Japanese Larch
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应用削度方程编制湿地松材积表和出材率表的研究
Study of Applying the Taper Equation to Compile Pinus elliottii Volume Table and Timber-Produced Rate Table
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削度方程的研究
A study on taper equation
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本文提出了一致性分段式削度方程和一致性材积比方程。
In this paper a compatible segmented taper equation and a compatible volume ratio equation are developed .
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湖北省马尾松人工林削度方程及材种出材率表的研究
A Study on the Taper Function and Merchantable Volume Yielding Rate Table of Mason Pine in Hubei Province
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首先利用解析木材料建立了樟子松的DemaerchalkⅠ削度/材积方程系统,并利用这个系统和样地及解析木材料,计算和分析了东北东部山地樟子松人工幼林经济生产力水平。
We calculated and analyzed the timber productivity of young Mongolian Scots pine plantation in eastern mountain regions of Northeast China .
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该文探讨了不用编制削度表直接建立高精度立木干曲线的方法。
This paper presents a method that the stem taper curve of standing tree can be estimated with a considerable precision without the taper table .
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论述了树木削度方程的概念及分类,介绍了当前削度方程发展的国内外现状,并指出削度方程研究中存在的问题。
This paper states the conception and classification of tree taper equation , introduces its development status in our country and abroad and points out the problems in the study .
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本文利用白桦的测径样木,结合最优的削度方程,编制了白桦树高级单木材种出材率表,精度较高,可在生产实践中加以应用。
Using high class volume table , combining with the best taper equation , the individual timber 's percentage of assortment table was compiled which obtained high precision and can be applied in practice .
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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。
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 .
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为了评价这两个方程,利用杉木材料分别与其它已有削度方程和材积比方程作了比较,结果表明这两个方程的效果较好。
In order to evaluate these two equations , they ase compared respectively with other taper equations and volume ratio equations in use , using data of Chinese fir ( Cunninghamia lanceolata Hook ) stands . Results show better effectiveness of these two equations than others .
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控制着参议院的民主党人表示,该削减幅度太大。
Democrats , who control the Senate , say the cuts go .
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刚性镗削主轴刚度对加工精度的影响
Rigidity of and Influence Over the Processing Accuracy of Boring Stiff Shaft
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进给量对振动钻削孔径分散度的影响
The Impact of Feed Rate on the Vibration Drilling Dispersity of the Hole Diameter
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拉刀设计与拉削表面粗糙度
Design of Broches and Their Broaching Surface Roughness
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随后,根据速度反馈和位移延时反馈的颤振原理,建立了深孔钻削加工两自由度颤振动力学模型。
Secondly , dynamic model of deep-hole drilling system with the two degrees of freedom are established in the light of principles of machining chatter in cutting processes .
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论文研究了振动铰削降低表面粗糙度的机理,在此基础上通过硬质合金铰刀振动铰削小口径火炮身管的实验,深入分析了振动铰削对火炮身管内膛表面粗糙度的影响。
The mechanism of lowering surface roughness of vibration reaming is studied . The experiments of vibration reaming small caliber gun tube with cemented carbide reamer are carried out . The influence of vibration reaming on surface roughness of gun tube is analyzed in depth .