oil tightening

A study on forecasting model of oil density with reservoir-rock pyrolysis data and its application in Bohai sea;

渤海地区储集岩热解法原油密度预测模型研究及应用效果

A Rock-Eval pyrolysis parameter, TPI value, for oil-bearing reservoirs from a basin of Northwest China is correlated with oil density and viscosity by means of regression.

对某盆地几十口探井中油气层的油质系数与相应层位原油的密度和粘度作相关分析，结果表明，油质系数ＴＰＩ值与原油密度呈线性关系，与原油粘度呈负指数关系。

So, the influence of the sample melting temperature, temperature rising rate and the glycerol density is analyzed.

煤沥青软化点按 GB/T2 2 94-1997方法测定 ,存在结果不稳定、重现性不好的问题 ,为此 ,分析了测试过程中熔样温度、升温速度及甘油密度的影响。

22‰;petroleum density in anticline belt is between 0.

研究表明 ,夏子街地区断裂带与背斜带油气特征具有明显差异 :断裂带原油密度在 0 。

In view of the frequency characteristics of the vibrational tube in the measurement system of the vibration fuel density,this paper analyses the mechanism of the vibrational model of the cylindrical shell by ANSYS and compares the differences of the vibrational frequency in different constrained conditions.

针对谐振式燃油密度测量系统中振动筒的频率特性,利用ANSYS软件对振动筒(圆柱壳)进行了振动模态的力学分析,并对比了在不同约束条件下振动频率的差异。

5 kHz when the fuel density is 700～900 kg/m3.

飞机燃油密度高精度的测量对精确控制燃油量有重要作用。