This paper presents the tolerance range displacement method, with which the basic deviation of a hole is determined and therefore the basic hole system becomes the basic shaft system.
提出了公差带位移法,以此来确定孔的基本偏差,使基孔制变成了基轴制,并给出计算实例。
Basic graphic design principles and rules are important and useful to know, yet most professionals today have a hole in their education when it comes to the fundamentals of graphic design.
基本图形设计的原则和规则很重要,了解它们很有用,可如今大多数专业设计师在图形设计基础教育上都有漏洞。
Broken down into the most basic principals of design, if a golf hole "fits" comfortably on the land, then construction cost will be minimized.
基于最基本的高尔夫设计原则,如果球洞与土地能完美契合,那建造费用就能降到最低。
The program compiled with BASIC language is also applicable to trapezoid wall or that without hole, but with more heat transfer into local portion of the wall.
文中用BASIC语言编制的程序也适用于梯形箱壁或箱壁虽无孔但局部区域却有较多热量输入的情况。
Based on the basic features of dynamic gas emission during boring process, a theoretical model for calculating the dynamic volume of gas emission from bore hole is set up.
基于钻孔过程中瓦斯动态涌出的基本特点,建立了钻孔瓦斯动态涌出量的理论计算模型。
The paper introduced the structure, basic principles and control patten of seed rate of the double hole.
介绍了复式型孔的结构、基本原理和控制排种量的方式。
The black hole not only puts the scientific world in turmoil but also challenges many of man's basic ideas about his surroundings and his place in them.
黑洞不仅使科学界陷于混乱,还向人类的对于环境和环境中的生存空间的根本见解提出了挑战。
The basic principle and design method on the hole by hole blasting technique are described, and the practical result of this technology in domestic open-pit mine are introduced.
介绍逐孔起爆技术的基本原理、设计方法以及逐孔起爆技术在露天矿山生产中的良好效果。
The optimum design method and basic principles of main reducer of rotary blast hole drill are discussed, The main reducer is taken as a whole and is optimized by discrete Complex method.
论述了牙轮钻机主机构减速器的优化设计方法和基本原理,以主机构减速器作为整体进行优化,采用离散复合形算法。
The basic assumptions, equations and boundary conditions for bottom hole assembly (BHA) analysis were discussed.
讨论了下部钻具组合分析的基本假设、基本方程和相应的边界条件。
Introduce the basic principles, equipments, techniques and spot experimental conditions of expanded hole of technology of rotation jet.
介绍了旋转射流扩孔技术的基本原理、设备、工艺以及现场的试验情况。
A system formed by both the tolerance zone of the shaft with definite basic deviation, and that of the hole with different basic deviations.
一定的轴的公差带与不同基本偏差的孔的公差带形成各种配合的一种制度。
When a high level isotropic stress field is disturbed by a drilled hole, a relation of relieved strain vs. residual stress is derived by the basic equations of elastoplastic theory.
本文根据弹塑性理论基本方程,导出了高水平均匀残余应力场由于钻孔引起的松弛应变与残余应力的关系公式。
Based on the basic features of dynamic gas emission during boring process, a theoretical model for calculating the dynamic volume of gas emission from bore hole is set up.
在全面分析钻井机械的组成、钻进过程的特点和人的特性的基础上,建立钻机钻进过程人机系统可靠性模型。
Bearing inner ring (shaft circle) of the basic cylindrical hole or holes in the internal tapered cylinder or cone in the axis line access.
轴承内圈(轴圈)的基本圆柱孔或圆锥孔的内接圆柱体或内接圆锥体的轴心线。
Drilled a hole the filling pile to play the influential role in these region basic construction foundation engineering.
钻孔灌注桩在这些区域基建工程基础工程中发挥了重要作用。
Therefore, it has important theoretical significances to study some basic properties for black hole thermodynamics.
因此,对黑洞热力学的一些基本性质的深入研究具有重要的理论意义。
In this paper, basic tests on the mechanism of bunch-long-hole blasting are outlined, calculation and selection of blasting parameters, and its application t...
笔者简要地介绍了束状深孔爆破机理的基础实验、爆破参数的选取及爆破技术的实施,并对爆破效果进行了分析。
In this paper, basic tests on the mechanism of bunch-long-hole blasting are outlined, calculation and selection of blasting parameters, and its application t...
笔者简要地介绍了束状深孔爆破机理的基础实验、爆破参数的选取及爆破技术的实施,并对爆破效果进行了分析。
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