Combining the fluid mechanics in porous medium and the geometry, the author considers the artificial barrier as a filter cake, research on the vadose rule on the condition of the coercibility and the non-Newtonian fluid flow, establish the formula of artificial barrier pressure drop and thickness, probe the formula of the thickness of artificial barrier for the pressure in the fracture, the coercibility, the smallest stress of barrier and the rheological property of fracturing fluid.
结合渗流力学和几何学，将人工隔层视为滤饼，在对人工隔层中渗流规律的研究中考虑了流体的非牛顿性和人工隔层的可压缩性，建立隔离层压降与厚度之间的关系式，探索人工隔层厚度与缝内压力、人工隔层可压缩性、上下隔层最小主应力、压裂液流变性等之间的关系。
341 Newtonian mechanics, for example, imposes a unified form on the description of the world.
6.341 例如，牛顿力学给世界的描述提供了一种统一的形式。
Reasonable Knowledge of Newtonian Mechanics and Geometry is necessary to understand the formulas.
合理的知识的牛顿力学和几何学是要了解公式。
General relativity changed the opinion of space and time of Newtonian mechanics, but failed to complete the physical revolution.
广义相对论变更了牛顿力学的空间、时间观念，但相对论没有完成物理学的革命。
In Newtonian mechanics, the motion of the charge in magnetic field is in equidistance helical line. It is composed of the uniform motion in magnetic field and the circular motion vertical to the magnetic field.
带电粒子在磁场中的运动，如果用经典力学分析，它做等距螺旋运动，是在垂直磁场平面内两个相互垂直方向的简谐振动和沿磁场方向匀速运动的合成。
In FACT, every one of the principles of Newtonian mechanics survives as a special case of the more general relativistic formulation
事实上，牛顿力学中的每一原理都可看作是更普遍的相对性公式的特例。
Acceptance of newtonian mechanics was unquestioned for 200 years.
对牛顿力学的认同在200年间没有被质疑过。
In fact, every one of the principles of Newtonian mechanics survives as a special case of the more general rela-tivistic formulation.
事实上，牛顿力学中的每一原理都可看作是更普遍的相对性公式的特例。
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。
This paper gives a brief account on the numerical simulation of non-Newtonian fluid mechanics and the main aspects of its experimental verification.
文章扼要地论述了高分子流体动力学问题的数值模拟方法，及实验验证方面的主要问题。
In this paper, we discussed two kinds of representation of Newtonian mechanics-the relations between the force representation and the energy representation for solving mechanical problems, and related Lagrange's equations of analytical mechanics with it. Usage of Lagrange's equations were presented by the examples.
本文讨论牛顿力学的两种表象&力的表象和能量表象在解力学问题中的相互关系，继而联系到分析力学中的拉格朗日方程，并举例说明拉格朗日方程的妙用。
The fluid mechanics theory as a foundation, constructing plastic material flow model of the friction stir welding with the plastic material as high viscosity non-newtonian incompressible fluid.
以流体力学理论为基础，构建搅拌摩擦焊焊接过程中塑性材料的流动模型，建模时将塑性材料看成高粘度、非牛顿、不可压缩流体。
Out of postulate three it says Newtonian mechanics applicable.
从假设3我们可以知道，牛顿力学在这儿是适用的。
01 is a first-semester freshman physics class in Newtonian Mechanics, Fluid Mechanics, and Kinetic Gas Theory.
01是大学新生第一学期的物理课，它包括牛顿力学、流体力学和气体动力论。
Non-Newtonian fluid mechanics is the science to study the rheology of non-Newtonian fluid, so rheology of non-Newtonian fluid is equal to non-Newtonian fluid mechanics in modern rheology.
非牛顿流体力学又是研究非牛顿流体流变性质的科学，因而在现代流变学中，非牛顿流体流变学就是非牛顿流体力学。
Relativistic Celestial Mechanics and Post-Newtonian Equations of Motion
相对论天体力学和后牛顿运动方程
Technological revolution on the basis of Copernicus'revolution and Newtonian mechanics provided an essential theoretical basis for resuming the identity of man and establishing a relation between God and man & man's position in space.
以哥白尼革命和牛顿力学为基础的近代科学革命为人的发现建立了必要的理论基础，重新确立了上帝与人的关系，即人在宇宙中的地位。
Today's university physics theory, Newtonian mechanics does not apply to microscopic particles and high-speed moving objects, so the theory of classical mechanics is incomplete.
今日大学物理理论认为，牛顿力学不适用于微观粒子和高速运动的物体，因此经典力学理论是不完备的。
The experiments results show oil with high paraffin and colloidal - matter content exhibits characteristics of structural mechanics, the oil is a non-Newtonian fluid that can become a jelling structure easily, which increase flow resistance.
实验表明高含蜡、含胶质、沥青质原油具有结构力学性质，为非牛顿流体，这种流体易形成胶凝结构，渗流阻力更大。