参数曲线

The new type four-channel downhole test gauge is a special multi-parameter instrument which is used to test the whole process of perforation and crack, by which variational curve of pressure, acceleration, temperature and the voltage of batteries can be measured and collected simultaneously.

新一代石油井下测试仪是用来测试整个射孔和压裂过程数据的多参数专用仪器，可同时记录压力、加速度、温度和电池电压的变化曲线。

The time and temperature dependence of dynamic modulus and phase angle of hot mix asphalt is analyzed,the master curve of dynamic modulus and phase angle is built using time-temperature superposition principle,the Witczak predictive equation is verified using the test results,which is helpful to provide good reference for China to use dynamic modulus as pavement design parameters.

分析了沥青混合料动态模量和相位角对温度和加载频率的依赖性，利用时间-温度置换原理建立了动态模量的通用曲线，并用动态模量实测结果对Witczak预估模型进行了验证和分析，为将动态模量作为沥青路面设计参数和混合料性能评价指标提供了有益参考。

At last adopt appropriate method to draw temperature characteristics curve and bring forward characteristics requirements.

论述几种电阻、电容参数测量的方法，最后选择适当的测量方法绘制温度特性曲线，并提出特性要求。

Further ,programs can draw some curves after receiving some essential factors of impacting and common parameters of rod and target.

通过输入弹、靶普通参数及碰撞的基本条件，计算程序即可给出各基本参量间的关系曲线。

Based on this equation, the calculation formular of the walking beam's swing angular displacement, angular velocity, angular accelaration and the distance, velocity, accelaration in the hanging point movement are obtained.

以兰通产CYJ2.726B型抽油机为例进行了计算，并在0°～360°曲柄转角范围内绘制了悬点运动速度和加速度的变化曲线，从而给出了游梁式抽油机悬点运动参数计算的一种方法。

Based on the result of normalized frequency with effective refraction index -1 versus inner radius of ring-shaped holes we theoretically analysis the effects of structure parameters to equifrequency contours of respective normalized frequency and imaging properties.

通过光子晶体有效折射率的计算，得到了有效折射率为-1 的电磁波频率随空气环内径由0～0.2a 变化的规律，并由对应等频曲线的变化解释了结构参数对光子晶体平板成像的影响。

Among routine three impulse control system, because reason of " false liquid location" make steam load rise and drop dynamic characteristic when curve asymmetric, degeneration, can't ask out the accurate mathematics model when and there are the systematic parameters, can't design the accurate feedforward controller either, can only realize the static feedforward , can realize that there is not error in the stable state , but does not control dynamic performance well.

而在常规的三冲量控制系统中，由于&虚假液位&的原因使得蒸汽负荷上升和下降时的动态特性曲线不对称，且系统参数具有时变性，不能求出准确的数学模型，也就不能设计出准确的前馈控制器，只能实现静态前馈，能实现稳态无误差，但对动态性能控制不好。

The main results are:(1) The cumulate cause-effects model was demonstrated at both macro and micro level data. The problem of data fitting of hypertension prevalence data was solved well enough with the cumulate cause-effects model. The parameters of the model were meaningful for the practice.(2) Taking the hypertension developing speed as an indicator of health equality of hypertension between urban and rural residents in China and discovered the macro level determinants of it.(3) The causal network was testified by the structure equation model.(4) It is found that the major determinants of hypertension prevalence in China is population ageing, overweight, lifestyle changing due to high economic developing speed and the lagging behind of health education.

主要的研究成果有：(1)首次观测到我国高血压的患病率曲线符合累积风险效应模型，解决了高血压患病率资料数据拟合中长期存在的方法学问题，并对模型中参数的实际流行病学意义给出了合理的解释，能够对疾病的发病率进行间接的估计；(2)提出了用高血压的发展速度作为衡量我国城乡高血压造成的健康不平等的重要指标，解决了我国高血压患病率评价中长期存在的一些错误性认识，揭示了我国高血压城乡发展不平衡的宏观决定因素；(3)利用结构方程模型对构建的网络模型进行拟合分析，证明了模型的有效性；(4)揭示了目前影响我国高血压发展趋势的决定因素，主要包括人口老龄化趋势加剧、超重人口比例增加、经济的快速发展带来生活方式的转变和健康教育的相对滞后等几个方面。

Influences of several parameters, such as axial compression ratio, slenderness ratio, steel ratio and strength of the materials on the hysteresis behavior of the beam-columns are analyzed.

基于理论分析模型，分析了各参数，如构件轴压比、长细比、截面含钢率和材料强度等因素对圆钢管混凝土压弯构件P-△滞回关系曲线的影响。

By use of this method, the performance of pump such as head, shaft power and efficiency are predicted, based on the calculation of fourteen different operating conditions in the flow range from 0 to 1.35Q.

在0~1.35Q范围内对14个不同工况点的扬程、轴功率和效率等性能参数进行了预测，并根据计算结果绘制了性能曲线。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。