In the static tri-axial tests, the ratio of particle breakage increases with the increase of the cell pressure, but decreases in the dynamic ones. 围压增大,静力三轴剪切引起的颗粒破碎率随之增大,而单纯由振动三轴试验引起的颗粒破碎率则相应降低。
The Overview of the Modern High Static Lift/ Dynamic Lift Ratio Transport Airships 现代高静/动升力比运输飞艇概述
Differential pressure gauges model selection primarily looks at the following key features: measuring range, static pressure and the ratio between the two. 差压压力表的的选型主要看量程、静压和两者之间的比例关系。
The experimental study on modulus of static compression elasticity and poisson ratio of short carbon fiber concrete 短碳纤维混凝土的弹性模量及泊松比性能试验
In the article, by analyzing the record characters, seismic processing strategy and key techniques of solving static problems and S/ N ratio problems are given. 这里从分析原始资料入手,提出了针对静校正问题和低信噪比问题的处理对策和关键技术。
This paper first presents a brief introduction to the concept of static load participation ratio ( SLPR) and the principle for wind-induced vibration analysis based on the pseudo excitation method ( PEM). 首先简单介绍静荷载参与比例的概念和基于虚拟激励法的风振响应分析原理。
Through experiments being performed by using a system of rock physical parameters testing, dynamic and static elastic modulus and Poisson's ratio of rock have been obtained. 采用岩石物性参数自动测试系统,进行了实验测试分析,得到了不同岩石的动、静弹性模量和动、静泊松比。
After analyzing and calculating the Effect on the Ability of Unit Frequency Modulation and the Dynamic Characteristic of Regulative System of the turbine by Condenser Vacuum, this paper does main research on the change of static different ratio and temporal constant of rotor when the vacuum changes. 通过分析和计算凝汽器真空对机组一次调频能力和汽轮机调节系统动态的影响,主要研究了真空变化后静态不等率和转子时间常数的变化。
But total pressure loss increases with the increasing of the velocity difference accompanied with the increase of the density and the static temperature ratio. 但速度差随密度比、静温比增大而增大时总压损失亦随之增大。
Tests indicate that the method can achieves an average static code compression ratio of 62.8% in speech algorithm of low encoding code. 测试结果表明,对于低编码率的语音编解码领域的ASIPs,动态变长指令编码方法可以将代码的压缩率提高到62.8%。
In this paper, the problem about the static correction and low S/ N ratio in the complex surface seismic data are analyzed and studied. 对复杂地表区资料处理中存在的静校正问题与低信噪比问题进行了分析与研究。
But the dynamic Poisson ′ s ratio is smaller than the static Poisson ′ s ratio; ( 4) the ratio of water content to density as transformation variable between dynamic and static elastic parameters has high fitting accuracy; 含水率与密度的比值作为研究动、静态弹性参数的关系变量,具有高的拟合精度;
The laser output energy, dynamic to static ratio, pulse bandwidth ana spectral line width etc. by Q-switching ware mea-sured and analysed theoretically. 测量了调Q后激光输出的能量、动静比、脉宽、谱宽等,并从理论上进行了一些分析。
Moreover, the necessity to control the right to left static wheel load unbalance ratio and its limit value on assembling bogies are suggested in this paper with field data obtained from turnout running tests. 本文根据道岔运行试验得到的线路数据建议控制转向架的静态轮重减载率及其极限值。
An integrated and automated measurement instrument was developed, which measures the static extinction ratio of crystal, the static or dynamic extinction ratio and the half wave voltage of electro-optic crystal, and the phase retardation of wave plate. 本文研制了一种晶体的静态消光比、电光晶体的静态消光比或动态消光比、电光晶体的半波电压和波片的相位延迟的综合性自动化测量仪。
The experimental results show that the higher the static temperature and the density ratio between two supersonic flow, the more the total pressure losses of flow during mixing. 实验结果表明:混合过程的总压损失随两种超声速流的密度比、静温比增大而增加。
After considering the non-linearity of this spring's load& deflection curve and "dynamic and static stiffness ratio" of rubber spring, it introduces the concept of equivalent static deflection under dynamic state and discusses the application prospect of this spring. 在介绍了这种弹簧载荷一挠度曲线的非线性和其动一静刚度比之后,引入了动态下当量静挠度的概念。并对这种弹簧的应用前景作了讨论。
The influence of extraction temperature, static placing time, solvent burden ratio and flocculating agent on separation effect were discussed. 讨论了萃取温度、静置时间、溶剂配比和絮凝剂对分离效果的影响。
In addition, harnessing the result of stress ratio method, an ultimate embankment height can be computed, only if the ultimate bearing capacity of subsoil could be known by static load experiment or area ratio method. 另外通过面积比法的计算结果或复合地基静载试验成果可从应力比法计算公式中反算极限填土高度或极限桩土应力比,供初步设计参考。
The differences of performance of these two electro-optic Q-switches have been obtained. The dynamic to static ratio of LGS is higher than that of KD P. LGS has more advantages when the pressure circuit mode is employed. 并在同样的工作方式下,与利用KD~P电光Q开关调Q得到的输出激光参数进行比较,得出这两种电光Q开关的性能差别:LGS的动静比比KD~P高;
Dynamic paraffin inhibiting experiments show that: because oil is in the state of flowing, dynamic paraffin inhibiting ratio is higher than static paraffin inhibiting ratio apparently. 动态防蜡率实验表明,由于原油处于流动状态,动态防蜡率明显高于静态防蜡率。
It also gives a calculating formula for the factor of equivalent static axial load according to the ratio of axial load to radial load and the influence of radial load on axial load. 同时根据转盘轴承不同的轴向负荷与径向负荷的比率,径向负荷对轴向负荷的影响,列出了轴向当量静负荷因数的计算公式,根据这个公式给出的曲线图可查出轴向当量静负荷因数。
As a basic image compression method, JPEG works well for a static image compression with high compression ratio. 作为一个基本的图像压缩方式,JPEG是应用十分广泛的静态图象压缩算法。
After the completion of tension control system, static error ratio and wave property were analysed. The results show that the control system is more adaptive to the change of copper foil roll diameter. 在完成张力控制系统的基础上,对张力的静差率、波动性做了分析,结果表明该控制系统对铜箔生产的要求。