On the other hand, the content of ABA in shoot cuttings is lower than that in hardwood cuttings, and increase with raising the age of seed tree.

The experiments showed that the rooting ability of hardwood cuttings was determined by both presence of latent root primodia and balance of endogenous hormones bark.

试验表明，硬枝扦插生根是潜伏根原基存在与否和皮部内源激素平衡两方面的原因决定的。

The better time to take hardwood cuttings was November, when the stem active growth was slow down and enough carbohydrates were cumulated for overwintering.

扦插繁殖较好的时间是11月份进行硬枝扦插，这时的茎生长活性减弱并且为越冬储存有足够的营养物质。

The effect of the changes of the endogenous hormone's contents ( aba and iaa) in hardwood cuttings of peach to rooting

桃硬枝插条内源激素（ABA、IAA）含量变化对生根的影响

One of the important reasons that the rooting percentage of hardwood cuttings was lower than softwood cuttings is its higher IAA concentration.

硬枝插穗体内IAA含量高于嫩枝插穗，也是硬枝扦插生根率低于嫩枝的主要原因之一。

Relations between propagation by hardwood cuttings of mume and nutrient reserves

梅花硬枝扦插繁殖与贮藏养分的关系

The easiest way to propagate a vine is to take hardwood cuttings

栽培葡萄最简便的方法就是硬条扦插。

For extended reach well, the cuttings bed is the key factor restricting hole cleaning.

大位移井中，岩屑床是制约井眼净化的关键性因素。

Results show that: ( 1) High production of well rooted cuttings can be realized by keeping straight stem and platform crown of the cutting collecting trees;

结果表明：华北落叶松直干台形冠采穗树，插条产量高，生根效果好；

Based on the study of cores, well cuttings, and outcrop sections, the facies of volcanic rocks can be divided into 4 types and 12 sub-facies.

根据钻井岩芯/岩屑和剖面地质研究结果，火山岩相可分为4类12型。

The paper develops the base compound of water-in-oil emulsion drilling fluid, evaluates its inhibition, thermal stability and its capacity of water cut-resistance, well cuttings cut-resistance and cement cut-resistance.

研制了油包水乳化钻井液的基本配方，评价了其抑制性，热稳定性，以及抗水侵污能力，抗钻屑侵污能力，抗水泥侵污能力。

In many cases of stainless steel cutting operations with carbide tools, a tool life strongly depends on flank notch wear of depth of cut rather than average flank wear of main cutting edge.

硬质合金刀具在不锈钢加工中，其刀具耐用度主要是取决于后刀面边界磨损而不是主切削刃后刀面的平均磨损量。

The apparatus and method for testing the thrust and torque on the main cutting edge and chisel edge of drill point was introduced.

通过试验测试了任意形状钻头切削刃的轴向力和扭矩，为钻头受力预测提供了一套完整的研究方法。

This article focused on drilling in the actual processing of microporous main cutting edge of micro-drill breaks and microporous processing accuracy.

集中论述了在实际微孔钻削加工过程中主切削刃对微钻头折断和微孔加工精度的影响。

The solving method for main cutting edge and grinding principle for flank of non coaxial helical micro drill point is described.

介绍了主切削刃的求解方法以及非共轴螺旋面钻尖后刀面的刃磨原理；

This paper introduced the machining properties of PCD tool in cutting out Al2O3 laminated flooring, and made a study on the configuration of tools, the material 0f cutting edge, the engagement angle of the tools and the machining parameters.

本文介绍了切削Al2O3强化木地极的加工特点，研究了金刚石刀具的结构、切削刃材料、几何角度及切削参数等。

Calculation of Side Cutting Edge Angle of Gear Shaping Cutter

插齿刀侧刃切削角度的计算

And the main factors which influence critical tool cutting edge angle are studied, and related theory analysis are made. Furthermore, some new controlling methods and technologys to restrain or decrease the feed direction burrs in machining Processes are developed.

讨论了有关主要因素对临界主偏角的影响，进而开发出了几种抑制或减小进给方向毛刺的新工艺和新方法。

It is found that un-breaking field will be enlarged with the decrease of the tool cutting edge angle because of the lessening of the diameter of the cutting angles.

指出随主偏角的减小，其非折断区域将进一步扩大，切屑外径的减小是其不折断的主要原因。

His absence will certainly blunt their cutting edge, but the squad remains philosophical.

他的缺席无疑会使锋线火力减弱，但突尼斯队仍然十分冷静。

Curvature Interference Prediction for End Cutting Edge Grinding of Ball-nose End Mills

球头立铣刀端刃刃磨曲率干涉预报