They disappear these days at the rate of 25 a day, and I mean regardless of our behavior.
每天就有25个物种消失，我的意思是无论我们做了什么。
If the failure is defined as the final fracture of a component, then both S-N curves and crack growth rate curves reflect the fundamental material behavior under fatigue loading.
如果都把一个构件的最终断裂作为疲劳破坏的定义，则S - N曲线和裂纹扩展率曲线均是反映金属在疲劳载荷作用下的基本材料特性。
The compound of Alkali Surfactant Polymer (ASP) is a kind of viscoelastic fluid, its rheological behavior can be formulated by power law model in simple shear flow within medium shear rate.
就其流变性而言，聚合物溶液和碱—表面活性剂—聚合物（ASP）复合体系均属粘弹性流体，但在中等剪切速率的简单剪切流动条件下，其流变性可用幂律模式描述。
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。
It builds up a stochastic volatility interest rate term structure model to describe the behavior of financial market repo rate of national debt in China.
建立描述中国金融市场国债回购利率行为的随机波动利率期限结构模型。
The results show that children in divorced families have a high rate of behavior problems and these problems are significantly related to their mothers' rearing patterns.
结果发现，离异家庭幼儿的行为问题检出率高，其行为问题与母亲的教养方式显著相关，且离异家庭与正常家庭母亲的教养方式也存在显著差异。
Aim Dynamical behavior of a kind of nonlinear SEIRS model of epidemic spread with the saturated rate, which has infective force in both latent period and infected period, is studied.
目的研究一类具有饱和接触率且潜伏期、染病期均传染的非线性SEIRS流行病传播数学模型动力学性质。
Strategic behavior of policy selection shows that the managed floating exchange rate regime with market entering restriction could not become a Nash equilibrium.
从政策选择角度看，有市场进入限制的管理浮动汇率制度不是一个纳什均衡结果。
The dynamic behavior of a kind of SIR epidemiological model with general nonlinear saturated contact rate is considered under vaccination.
研究了一类预防接种情况下具有一般非线性饱和接触率SIR流行病模型动力学性态。
This synchronized loops to a predictable rate based on the refresh rate of the monitor, but with the advent of customizable refresh settings this leads again to unpredictable loop behavior.
这种同步的循环方法在显示器的刷新率可预测的情况下是有效的，但是当可以自定义刷新率以后，这种行为又变得不可预测了。
The behavior of a risk averse competitive exporting firm which is exposed to revenue risk due to a randomly fluctuating exchange rate is studied.
探讨了由于汇率的随机波动而面临着收益风险的风险厌恶竞争性出口企业的行为。
Put forward to reduce the accident rate measures. Then, risk the dangerous of driving behavior in a scientific and reasonable method.
然后，利用科学合理的方法对驾驶行为中的危险行为进行危险度研究。
In a 28 day feeding test with rats and a 8 day feeding test with quail, no adverse effects on rats or quails were observed in terms of animal behavior, weight gain and feed utilization rate.
同时，进行了28天大鼠喂养试验和8天鹌鹑喂养试验。结果显示：各试验组体重、食物利用率与对照组无显著差异，受试动物生长发育及行为正常，无死亡。
A modified Lagrangian analysis was adopted to study the dynamic mechanical behavior of rate-dependent materials based on particle velocity profile measurement.
采用改进的基于质点速度波形测量的拉格朗日分析方法，研究了率型材料的动态力学性能。
The stress corrosion cracking(SCC)behavior of X70 steel welded joint was investigated in a near-neutral pH solution by fluctuant slow strain rate test(F-SSRT).
分析温度、应力（应变）和慢应变率等因素对极化曲线的影响，并讨论温度、应力和慢应变率对管道钢发生应力腐蚀开裂的驱动作用。
The stress corrosion cracking(SCC)behavior of X70 steel welded joint was investigated in a near-neutral pH solution by fluctuant slow strain rate test(F-SSRT).
分析温度、应力（应变）和慢应变率等因素对极化曲线的影响，并讨论温度、应力和慢应变率对管道钢发生应力腐蚀开裂的驱动作用。
应用推荐