切

For a tank foundation with a relatively thin soft deposit and undrained shear strength increasing with depth,the edge shear failure is likely to be the critical one.

一罐基础和较薄的柔软的存款和不排水剪切强度随深度增加，边缘的剪切破坏可能是至关重要的。

Based on the theories of rheology, Non-Newtonian Fluid Mechanics, petroleum chemistry, crystallography and pipeline technology etc. and sampling Huabei crudes, experimental indexes and programmes are drew out, integrating the oil properties and parameter analysis; in terms of the macro analysis of continuum mechanics, substantial experiments are conducted with HAAKE RS600 rotational rheometer and the rheological equation as well as the viscosity-temperature equation are further developed with tested rhrogramme and viscosity-temperature curve, respectively. Beased on the researches on thixotropic mechanism and thixotropy fluid property, hysteresis loop curve, structure failure and viscosity build-up curve as well as shear stress decrement curve for one type oil are first present in this paper. According to the theoretical researches and testing results, a novel thixotropy equation with τ=τ_∞e~ pattern, which is of hi-accuracy, few parameter and simplicity, is developed. Considering the influence of various parameters on rheological behaviour, depressant adding condition is optimized and experimental evaluation on BEM-5P is conducted, which further unrip its mechanism on the Huabei crude. A corresponding viable pipe transportion programmel is also recommended.

本文基于原油流变学、非牛顿流体力学、石油化学、结晶学、原油管输工艺学等理论，以华北原油为研究对象，结合原油物性及实验影响因素分析，制定出实验研究的评价指标及实验方案；从连续介质力学宏观分析的角度，利用HAAKE RS600高端旋转流变仪开展了大量的室内实验，并运用微观研究方法，测定了油样的流变曲线和粘温曲线，建立了流变方程和粘温方程；通过对触变性机理和触变性流体特征的研究，首次对华北原油测定出滞回环曲线、结构破坏与恢复粘时曲线、剪切应力裂降过程曲线，并在理论研究和实验结果的基础之上，建立了能定量描述含蜡原油剪切应力裂降过程的新型三参数触变模式τ=τ_∞e~b/(t+c，该模型具有精度高、参数少、实验简便且适用性强的特点；通过对含蜡原油流变性的影响因素理论研究，开展了加剂条件优选及BEM-5P降凝剂室内评价实验，进一步揭示了降凝剂对华北原油作用机理，在此基础之上，提出了华北原油管输的可行性方案。

Based on the theories of rheology, Non-Newtonian Fluid Mechanics, petroleum chemistry, crystallography and pipeline technology etc. and sampling Huabei crudes, experimental indexes and programmes are drew out, integrating the oil properties and parameter analysis; in terms of the macro analysis of continuum mechanics, substantial experiments are conducted with HAAKE RS600 rotational rheometer and the rheological equation as well as the viscosity-temperature equation are further developed with tested rhrogramme and viscosity-temperature curve, respectively. Beased on the researches on thixotropic mechanism and thixotropy fluid property, hysteresis loop curve, structure failure and viscosity build-up curve as well as shear stress decrement curve for one type oil are first present in this paper. According to the theoretical researches and testing results, a novel thixotropy equationwith τ=τ_∞e~ pattern, which is of hi-accuracy, few parameter and simplicity, is developed.Considering the influence of various parameters on rheological behaviour, depressant adding condition is optimized and experimental evaluation on BEM-5P is conducted, which further unrip its mechanism on the Huabei crude. A corresponding viable pipe transportion programmel is also recommended.

本文基于原油流变学、非牛顿流体力学、石油化学、结晶学、原油管输工艺学等理论，以华北原油为研究对象，结合原油物性及实验影响因素分析，制定出实验研究的评价指标及实验方案；从连续介质力学宏观分析的角度，利用HAAKE RS600高端旋转流变仪开展了大量的室内实验，并运用微观研究方法，测定了油样的流变曲线和粘温曲线，建立了流变方程和粘温方程；通过对触变性机理和触变性流体特征的研究，首次对华北原油测定出滞回环曲线、结构破坏与恢复粘时曲线、剪切应力裂降过程曲线，并在理论研究和实验结果的基础之上，建立了能定量描述含蜡原油剪切应力裂降过程的新型三参数触变模式τ=τ_∞e~b/(t+c，该模型具有精度高、参数少、实验简便且适用性强的特点；通过对含蜡原油流变性的影响因素理论研究，开展了加剂条件优选及BEM-5P降凝剂室内评价实验，进一步揭示了降凝剂对华北原油作用机理，在此基础之上，提出了华北原油管输的可行性方案。

With concentration increasing, drag reducing efficiency curve of the sheared additives became similar to the unsheared one.

同时随着加剂浓度的增加，剪切后加剂与未剪切加剂减阻率变化曲线呈现出吻合的趋势。

While with the Coriolis force omitted, the flow in the cavity is under the influence of centrifugal buoyancy force, which can develop from stable to unstable as this force enhances. The centrifugal buoyancy force could lead to flow unstably.

哥氏力垂直于〓与〓构成的平面，对径向速度导致切向作用力，对切向速度导致径向作用力，在该力的作用下盘腔内轴向通流诱导的旋涡被压扁，尽管涡强有所增加，但是盘面的平均换热基本减弱。

And so it becomes daily more clear that Mourinho has stuffed himself as manager of Chelsea. Even if he paints his masterpiece in the Champions League, he won't become unstuffed; not so far as Chelsea and Abramovich are concerned.

如今穆里尼奥在切尔西主教练上的所处的局面已经日益明晰，不管他把冠军联赛这件艺术品涂得多么出色，也不能改变这一现实，只要阿布还在切尔西。

And so it becomes daily more clear that Mourinho has stuffed himself as manager of Chelsea. Even if he paints his masterpiece in the Champions League, he won't become unstuffed; not so far as Chelsea and Abramovich are concerned.6 m3 A; m4 y1 \6 '3 m! s

如今穆里尼奥在切尔西主教练上的所处的局面已经日益明晰，不管他把冠军联赛这件艺术品涂得多么出色，也不能改变这一现实，只要阿布还在切尔西。

The operation methods and operation main points of SQL 950 submerged granulator were introduced including the start and stop operation of the granulator, the flow distribution of the three streams of water, the operation cycle of the desalinized water plate exchanger, the easy occlusion of the nozzle, the chip stacking of the long chip accumulator and clogged with conveying waterpipe, the easy overload and untight seal of the centrifugal drier.

介绍了SQL 950型水下切粒机的操作方法及操作要点，包括切粒的开机操作，停机操作，3股水的流量分配，脱盐水板式换热器运行周期，喷嘴易堵塞，长料收集器粒子堆积堵塞输送水管，离心干燥机易过载和密封不严的处理。

The relationship between slope and upslope drainage area is derived by regression analysis, from the relationship the characteristics of gully initiation have been analyzed. Combined with the land use information, land use impact on gully initiation threshold has also been studied.

对坡度和上游汇水面积数据作回归分析，得到坡度和上游汇水面积的关系，进而分析研究区内切沟发育的特点；结合研究区土地利用状况分析土地利用对切沟发育临界条件的影响。

From high resolution RS image of study area, gully head locations and land use information can be extracted, by performing overlay analysis on gully head locations map and flow accumulation map, slope gradient map, the slope and upslope drainage area of each gully head can be obtained.

采用的方法是RS技术与GIS技术相结合的方法，利用高分辨率卫星影像提取研究区内所有切沟的沟头位置和土地利用状况，将沟头位置与研究区的水流汇流网络图、坡度图作叠加分析，得到切沟沟头的坡度和上游汇水面积。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。