削度

削度方程和出材率表的研究

Studies of taper equations and the table of merchantable volumes

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

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

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

削笔刀的历史削度方程的研究

History of the pencil-sharpener A STUDY ON TAPER EQUATION

立木削度模型建立与应用的探讨

Establishment and Implementation of Standing Tree Taper Models

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

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 .

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

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

削度方程的研究

A study on taper equation

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 .

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

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 .

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 .

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 .

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 .

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 .

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 .

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 .

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

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

拉刀设计与拉削表面粗糙度

Design of Broches and Their Broaching Surface Roughness

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 .

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 .