For the UPR with greater brittleness, the brittle-tough transition was observed only when the toughness of the resin was characterized by fracture toughness at a slower loading rate.
对于脆性较大的UPR，只有在采用加载速度较慢的断裂韧性来表征其韧性时，方能观察到这一脆韧转变现象。
This provides a feasible testing method for studying the behavior and constitutive relation of rock failure with medium stain rate under dynamical loading or static and dynamical combination loading.
为研究岩石在中等应变速率下的动态加载或动静组合加载的破坏特性及本构关系提供了一种可行的试验方法。
The effect of loading rate on concrete splitting tensile strength for different lateral stresses is studied.
系统地探讨了有侧应力作用时，混凝土在不同加载速率下的劈拉强度规律。
A rate and history dependent dynamic constitutive model for concrete under impact and seismic loading is established.
建立了应用于冲击和地震荷载下的应变率和应变历史相关的混凝土动态本构模型。
The imitational parameters are different for loading section and unloading section of the fine-sandstone deformation curve at the same circulate curve under the same deformation-rate and stress-level.
在相同位移速率和相同载荷水平条件下，同一次循环时岩石变形曲线的加载段与卸载段的相应拟合参数值不同。
New Experimental methods for measuring the fracture properties of CVD diamond films are discussed. A special computerized testing rig has been invented which can operate at constant loading rate.
文章介绍了一种利用恒载荷速率加载测试金刚石膜断裂性能的试验方法，并建立了国内第一台金刚石膜断裂性能测试的专用装置。
Study of fatigue crack growth rate and fatigue life calculation under random loading is very important for the reliable life prediction of engineering structures.
变化载荷作用下裂纹扩展律和疲劳寿命的计算对工程结构的寿命的可靠预测是十分重要的。
The materials of tube for loading particles and the load height have less effect on the apparent mass burning rate.
装填药粒用的壳体材料和药粒装填高度对传火速度的影响不显著。
Two essential operational parameters of (ASBR) - fill time and organic loading rate were discussed for their effects on the process performance through orthogonal tests.
通过正交试验，探讨了A SBR工艺最为重要的两个操作参数即充水时间和负荷率对ASBR工艺过程的影响。
In this paper, a new type of sludge bulking problem caused by high loading rate is described, the control measures for this kind of problem has been studied.
提出一类高负荷的丝状菌污泥膨胀现象，并对高负荷引起的污泥膨胀控制进行试验研究。
The results show that the method is simple and convenient, and can be used for measuring the crack propagation speed at high loading rate.
结果表明本文建立的方法简便易行，可用于高加载速率下裂纹扩展速度的测定。
In previous studies usually two throttling devices were required for metering the loading ratio or the particles flow rate.
在前人研究中都采用两个节流元件来测量固体颗粒流量或浓度。
For brittle material testing, the governing equation of input waveform for attaining constant strain-rate loading is given.
给出了测试脆性材料时实现恒应变率加载的加载条件。
The experimental result has been revealed that the dissolved oxygen limiting is the main reason for high loading rate bulking problem.
试验结果表明高负荷引起的污泥膨胀是由于溶解氧限制所造成。
Based on the theoretic model of one-dimensional shear deformation under high rate loading, a relation of width and spacing for adiabatic shear band to cutting speed is proposed.
通过对高应变速率一维剪切变形理论模型的分析，提出了绝热剪切带宽度和间距与切削速度的关系式。
It showed that the heating and cooling temperature and rate was the factor effecting the process except for the blowing agent variety and the loading weigh.
实验研究显示，影响滚塑发泡工艺的因素除了发泡剂种类以及加入量，还有加热冷却温度、速度等等。
Objective: The most a large sum of and qualified finished product of for loading separately limited original powder, create a higher finished product rate.
前言：目的：将有限的原粉分装出最大数量的合格成品，创造出较高的成品率。
Objective: The most a large sum of and qualified finished product of for loading separately limited original powder, create a higher finished product rate.
前言：目的：将有限的原粉分装出最大数量的合格成品，创造出较高的成品率。
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