Based on the achievements obtained. the theoretic formula that determine the rut size of the caterpillar tractor and the friction drag coefficient of motion was deduced.
笔者将在此基础上.推导出履带式拖拉机的车辙大小的理论公式及其沿疏松土地行走时的运动阻力系数。
The critical safety thickness of hidden cavity increases with the augment of hidden cavity section size, radial constringency, safety coefficient and surface loading.
暗穴临界安全厚度随着暗穴断面尺寸、暗穴半径收敛值、安全系数、地面荷载等参数的增大而增大。
In addition the porosity of porous aluminum increasing or pore size decreasing, the sound absorbing coefficient also increases.
另外降低多孔铝合金的孔隙尺寸和增加其孔隙率,均会使多孔铝合金的吸声系数增大。
Lower coefficient of earthquake seismic intensity of the security role in the decision to lower the overall structure of the yield of standard size and structure of the extensive demand.
地震力降低系数对设防烈度地震作用的整体降低实际上决定了结构的屈服水准和对结构延性需求的大小。
It is first raised that safety coefficient can be calculated by using the widths of yield zone and pillar, and the steps of designing the strip mining size are pro-posed.
首次提出了根据屈服带宽度和条带煤柱宽度来确定条带开采安全系数的方法,同时给出了设计条带开采尺寸的步聚。
Gradient-density PUF was produced in two ways : mould shaping and embed shaping, through changing volume filling coefficient, mass filling coefficient, and the size of foam core.
采用模塑成型和嵌入成型两种方法,通过改变体积填充系数、质量填充系数和芯体尺寸,制备了梯度密度聚氨酯泡沫塑料。
The experiment on the correlation between coefficient of foundation and size of loading plate is performed on experimental model of planar load test in lab, which can model field situation of roadbed.
在试验室模拟路基现场的工况,建立平板载荷试验模型,进行了地基系数与载荷板尺寸的相关性试验,并与理论公式进行了对比。
The influences of strength matching on fillet weld were analyzed. The relationships among fillet weld size, thickness of base metal and matching coefficient of strength were established.
分析了强度匹配对角焊缝设计的影响,建立了角焊缝焊脚尺寸与板厚,强度匹配系数之间的关系,讨论了强度匹配选择的依据。
Results of homogeneous turbulence experiments show that the diffusion coefficient varies with the size and density of sediment particles, just as indicated by the theoretical analysis.
表达式显示出的扩散系数随垂向脉动流速均方根值和颗粒粒径、密度而变化的趋势与实验结果吻合。
The circular arc automatic door is reciprocating swing, and its motion parameters are the number of swing per minute, the size of the swing Angle and the travel speed ratio coefficient.
圆弧形自动门是往复摆动,其运动参数是每分钟摆动次数、摆角大小和行程速比系数等。
Changes of oxygen transfer coefficient were studied in a test of Circulated Moving Carrier Bio-membrane Reactor (CMCBR) by changing the design and size of the CMCBR.
通过改变循环移动载体膜生物反应器的结构尺寸,研究了反应器内氧转移系数的变化。
On the basis of statistical theory, the distribution probability of full graded concrete strength and the relation between the sample size and coefficient of variation are introduced.
运用统计学理论给出了全级配混凝土试件强度的概型分布,导出了试验样本容量与变异系数之间的关系式。
This paper deals with the relationship between the size and the life of coal mines and the problem concerning reserve coefficient.
本文讨论了矿井井型与服务年限的关系以及储量备用系数问题。
As an example, the asymmetrical coefficient of the non tidal Jianjiang River is resolved under the condition that the river width is chosen as the most important factor to signify the river size.
作为实例,对广东鉴江非感潮河流,选取河宽为最重要因素来表征河流大小,求其不均匀系数。
With the same size compared to other types of bearings, such bearings friction coefficient is small, extreme high speed, high precision, when a user selection of the preferred bearing type.
与尺寸相同的其它类型轴承相比,该类轴承摩擦系数小,极限转速高,精度高,是用户选型时首选的轴承类型。
The results showed that the grafting yield heavily affected water flux, responsiveness coefficient and thermo-responsive gating factor of membrane pore size.
结果表明,开关膜的接枝率对膜的过滤通量、温度感应开关系数和膜孔径感温变化倍数都有十分重要的影响。
The turbulence coefficient and permeability is re lated with the grain size, sphericity and roughness of the proppant, and the porosity of the proppant-filling bed, and the experimental conditions.
紊流系数和渗透率与支撑剂粒度、球度、圆度、支撑剂充填层孔隙度和实验条件等有关。
The deflection angle of injection mainly depends on the valve port angle and almost has no relation to the valve size, but the reduction coefficient vavies with both of them.
射流的偏转角主要受阀口角度的影响,几乎与阀口尺寸无关;但射流的收缩系数则与两者都有关系。
This paper introduces a reciprocating seal with high pressure and small size. The seal is composed of rubber V-ring and PTFE V-ring, and has long lifetime, good sealness and low friction coefficient.
本文介绍了一种用于高压小尺寸往复密封中,具有寿命长、密封性好、摩擦系数小的组合密封,即V型橡胶圈和V型PTFE圈组合密封。
And the influence of the scattering coefficient, absorption coefficient and size of scatters in tissue on propagation of light in tissue is studied in detail.
利用该程序详细讨论了散射系数、吸收系数以及散射体大小等对生物组织内光传输特性的影响。
Consequently the crack on the wall is begot. The crack is concerned with horizontal resistance coefficient, temperature, size of wall section, elastic modulus.
裂缝的产生与二者之间的水平阻力系数、温度以及墙体截面尺寸和弹性模量有关。
The test results showed that the average volume heat exchanging coefficient was increased with the reduction of coke size.
结果表明,平均体积换热系数随焦炭粒度变小而急剧增加。
Calculations of exposure degree, exposure coefficient and equivalent grain size for grains with various size located at different position relative to the riverbed are carried out.
并对不同粒径,在床面不同位置的暴露度、暴露度系数及等效粒径进行了计算。
Landscape features within the basin land the size of the difference between the value of inter-month changes affect runoff coefficient.
流域内地块景观功能值之间差异的大小对月际间径流系数的变化有影响。
Properly formulated plating solutions containing the right size particles dispersed in a suitable medium provide low coefficient of surface friction with outstanding wear resistance.
适当配比的镀液,加入拉径正确而又分散于适宜介质内的微粒,可提供表面摩擦系数低、耐磨性优异的镀层。
A coefficient of discharge may be established for each size of device by using the following procedure.
按照以下步骤,可对每一种尺寸的装置实施卸料系数法。
The effects of gap size, heat flux and inlet subcooling on the boiling incipience, flow pattern, heat transfer coefficient, flow instability and critical heat flux were analyzed and discussed.
讨论和分析了流道间隙、加热功率和入口过冷度对沸腾起始点、沸腾流态、换热系数、流动不稳定性和临界热负荷的影响。
Several classical models for the gas-liquid mass transfer coefficient were compared, and the influences of the bubble size distribution and bubble wake effect were discussed.
比较了几种气液传质模型,讨论了气泡大小分布和气泡尾涡加速效应对气液传质的影响。
Features: temperature coefficient of capacitance at a certain temperature range is small and similar to polycarbonate. Low loss at high frequency. Small size. light weight. High insulation.
特点:在一定温度范围内电容量温度系数小,接近于聚碳酸脂介质,高频损耗小,体积小,重量轻,绝缘电。
Features: temperature coefficient of capacitance at a certain temperature range is small and similar to polycarbonate. Low loss at high frequency. Small size. light weight. High insulation.
特点:在一定温度范围内电容量温度系数小,接近于聚碳酸脂介质,高频损耗小,体积小,重量轻,绝缘电。
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