结果表明小麦茎秆强度与厚径比、壁厚均呈极显著正相关,与髓腔直径呈极显著负相关。
The thickness-diameter ratio of culm, stem diameter, culm wall thickness and pith diameter were significantly correlated with stem strength.
先用二维超声观察移植肾的形态,测量长径、宽径、厚径,并测量肾皮质厚度和锥体大小。
First, two-dimensional imaging was used to observe the shape of the transplant kidneys and measure length, width, thickness, cortical thickness and pyramid size of kidney.
通过改变添加剂的用量,可对片状氧化铝的粒度及径厚比进行控制和调整。
The size and aspect ratio of the powder can be adjusted and controlled by changing the amount of additives.
本文主要介绍了采用齿轮卡尺测量双线梯形螺纹中径法向齿厚的方法,同时也测量出螺距产生的误差。
This article mainly introduces the method that adopts gear caliper to measure the median diameter normal tooth thickness of double-line trapezoidal thread.
最后介绍了高径厚比石英窗口的数控抛光实验过程和结果。
The process and result of fabrication high diameter to thick ratiofused silica window has been introduced.
分析了钢管在张力减径过程中产生管端增厚的原因,阐述了切头端控制(c.e.c)的原理、方法,并就其关键问题进行了探讨。
The reason of thickness of pipe end increasing in tension reducing is analyzed. The principle and method of cutting end control (CEC) are introduced. The key problems are discussed.
结果表明,黄果厚壳桂所受到的竞争强度随着林木径级的增大而逐渐减小。
The results showed that the intraspecific competition intensity in C. concinna decreased gradually with increasing tree diameter.
实验结果表明,高径厚比改性绢云母增强尼龙6的力学性能有显著的提高。
As shown by experimental results, the capacity of modified sericite with higher diameter thickness ratio in strengthening nylon 6 is improved significantly.
云母作为功能材料或填料都需要高纯度、细的粒度和窄的粒度分布、高白度和高径厚比。
As a functional material or filling are need higher content brightness narrowly particle size distribution and radius-thickness ratio.
并分析了缩径率、缩径凹模半锥角、摩擦系数、缩径管坯初始壁厚对管端翘曲和轴向伸长率的影响规律。
In addition, this paper presents how the diameter reducing rate, the die semicone angle, the friction coefficient and the original wall thickness influence the buckling and the axial elongation rate.
壁厚局部变薄量可以近似表示为扩径率的线性函数。
The local thinning of wall-thickness can be described by linear function of expanding-ratio.
实验结果表明:相同径厚比的铸铁圆柱壳的破坏机理主要因素为变形不协调。
Experiment results shown that the main factor of the breakage reason of the cast-iron cylindrical shell with same diameter and thickness is that transform is not moderate.
片状粉体具有特殊的二维平面结构和较大的径厚比,应用于颜料、涂料、化妆品和汽车面漆等产品时,表现出了优异的性能。
Because of two-dimensional planar structure, a large aspect ratio and good application behavior, flaky powders are widely used in pigments, cosmetics and automobile paints.
提出了一种近似超塑变形的扩径推弯成型方法,并成功地用于厚壁不锈钢弯头的生产。
A new process of such kind similar to superplastic deformation was proposed and hen put into production of heavy-wall stainless steel elbow successfully.
分析了圆锥壳结构的径厚比、长径比及锥角变化对结构应力响应的影响。
The effects of R/h ratio, L/R ratio and cone angle on the dynamic response of the conical shells are discussed in this section.
其主要影响因素有管的材料性质、径厚比、长径比以及子弹和管的弹径比。
The main influent factors include material properties, the proportion of diameter to thickness and diameter to length, and the proportion of diameter of missile to that of tube.
分析了不同径厚比、边界条件及脱层长度、深度、位置对脱层壳屈曲载荷的影响。
The influence of different ratios of radius to thickness, boundary condition and length, depth and po…
而与模具工作表面相接触的管坯,其变形则较为均匀,材料壁厚减薄较小,达到扩径整形的目的。
However, the deformation is more uniform with regard to billet in contact with the work surface of punch, material thickness decreases less, therefore, the purpose of calibration has been reached.
在此基础上,把薄壁钢管纵向单元作为支承在弹性地基上的压杆,推导出钢管出现局部屈曲的临界应力和临界径厚比。
An axially compressive thin-walled steel element on elastic foundation is adopted to deduce the critical stress and critical diameter to thickness ratio for circular steel tube in local buckling.
据最新统计,这一英寸厚名单积累了过去十年左右使用记录,是这位通讯记者唯一的备份,包括不少于174个在线服务和计算机网络的详细入径信息。
At the last count, the inch-thick list accumulated over the past decade or so-your correspondent's sole copy-includes access details for no fewer than 174 online services and computer networks.
输入管径,壁厚,管道材料,以及PT 500计算出最佳的安装方法,传感器和分离的距离。
Enter the pipe diameter, wall thickness and pipe material, and the PT500 calculates the optimum mounting method and separation distance for the sensors.
对Q235钢材、C30混凝土短柱构件的计算结果表明,钢管的最小临界径厚比为1700左右。
Calculation for short columns using Grade Q235 steel tube filled with Grade C30 concrete indicates that the critical diameter to thickness ratio of steel tubes is about 1700.
由于内部混凝土的存在,大大提高了薄壁钢管的临界屈曲应力和径厚比。
It is found that the critical local buckling stress and diameter to thickness ratio of circular steel tube are considerably increased by the support of filled concrete.
提出了一种轴向极化压电圆环和圆片的径厚二维耦合等效电路模型。
A 2-d equivalent circuit models of the longitudinally polarized annulus and circular piezoelectric disk are established, which is coupled in the thickness and radial direction.
当径厚比、约束条件、材料参数等不变时,随着冲击速度的增大,屈曲由轴对称变为非轴对称。
When the radius-to-thickness ratio, constraint condition and material parameters are given, the buckling mode is from axisymmetric to unaxisymmetric as impact velocity increases.
探索采用厚膜改进型工艺方法及使用新型材料,从而改变其成膜高频特性是唯一能使厚膜向高频方面迈进的必径之路。
Exploring improved thick film technology and using new materials to improve the thick film high frequency feature is the only way to bring thick film hybrid in 1c to the high frequency application.
分析了材料的动态自增强能力,考察了径比对厚壁圆筒形构件动态自增强效果的影响。
The dynamic autofrettage ability of materials is analyzed. The influence of the diameter ratio of thick-walled-cylinder components on the…
分析了凹陷深度、初弯曲、长细比和截面径厚比等参数对杆件极限承载力的影响,讨论了上述参数对荷载-轴向缩短关系的单独影响和综合影响。
The following parameters, dent-depth, initial crook, slenderness ratio and diameter-thickness ratio, are considered and their influence on ultimate bearing capacity is analyzed.
分析了凹陷深度、初弯曲、长细比和截面径厚比等参数对杆件极限承载力的影响,讨论了上述参数对荷载-轴向缩短关系的单独影响和综合影响。
The following parameters, dent-depth, initial crook, slenderness ratio and diameter-thickness ratio, are considered and their influence on ultimate bearing capacity is analyzed.
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