Thanks to dark energy-as the source of the acceleration is loosely labeled-the dynamics of our expanding universe can be reconciled with its modest mass content.
由于被大致认为作为加速源的暗能量的提出,我们膨胀的宇宙的动力学可以与它适度的物质含量相一致。
NASA's Solar Dynamics Observatory said it saw a large coronal mass ejection (CME) associated with the flash blasting toward Earth at about 560 miles per second (900 kilometers per second).
美国国家航空和航天局的太阳力学天文观测台称,有一股强大的与耀斑引起的日冕物质抛射大约以每秒560英里(每秒900千米)的速度向地球袭来。
And dynamics and mass circulation in subduction zones and Earth system evolution.
俯冲带和地球系统演化过程中的动力学及物质循环。
The solar eruption, called a coronal mass ejection, was spotted by NASA's solar Dynamics Observatory, which captures high-definition views of the sun at a variety of wavelengths.
这次的太阳喷发,即日冕物质抛射,是由美国国家航空航天局(NASA)的太阳动力学观测卫星(SDO)观测到的,它同时还拍到了太阳在不同波长时的一组清晰照片。
Based on calculation of the shafting dynamics model of unit, the value of unbalance mass of runner correspond to the value of vibration quantity in the testing site was obtained.
根据建立的机组轴系动力学模型,计算得到了测试位置处振动量所对应转轮的质量不平衡量值的大小。
The basic character of a mass spring oscillate in small amplitude and small Angle is studded with an analytic method founded on nonlinear dynamics.
以非线性动力学理论为基础,用解析方法分析包括有质弹簧在内的弹性摆小振幅、小摆角的基本运动规律。
By means of the thermo field dynamics, the change of nucleon effective mass in nuclear matter with density is discussed.
用热场动力学方法计算了核物质中核子有效质量随密度的变化关系。
The dynamics equation of sensor is constituted and the equation's solution is got. The relationship of output voltage and pendular angle of the sensing mass is gained.
建立传感器的动力学方程并求得解析解,得到输出电压和传感器敏感质量摆角的关系。
Some of the equations can be used to investigate the dynamics of relative motion of non-holonomic system with variable mass.
其中某些方程可用于研究变质量非完整系的相对运动动力学。
It is necessary to combine the mass balance with the ice sheet dynamics and to develop the couple model of ice-ocean-atmosphere for accurate estimate of the mass balance state and its variability.
准确地评判物质平衡变化趋势则需将物质平衡与冰体动力学结合起来,并建立冰-海-气耦合模型。
On the basis of study on varing-mass mechanical model of human body system, the varing-mass block-body dynamics of human body system are developed to study.
在人体系统变质量力学模型研究基础上,开展了人体系统变质量块体动力学研究。
Then obtaining the whole car dynamics parameters based on mass center coordinates formula of space force system and torque translation theorem.
再根据空间力系质心坐标公式和力矩平移定理求得整车的动力学参数。
The mechanism for membrane formation by immersion precipitation processes was reviewed based on the thermodynamics, mass transfer dynamics, mechanism of phase separation and gelation process.
从热力学、传质动力学、相分离机制和固化过程几方面综述了浸入凝胶过程中聚合物膜形成机理的研究现状。
The deducted equation of Liquid membrane mass transfer dynamics is verified by experimental results.
并由实验数据验证了推导出的液膜传质动力学方程式。
This paper presents a nonlinear autoregressive exogenous (NARX) model to approximate dynamics of crankshaft speed with the mass of the idle feeding fuel and the spark advance.
本文采用一类非线性自回归模型(NARX),描述怠速过程中怠速供油量、点火提前角与曲轴转速之间的关系。
The rigid shaft model and flexible shaft model of the drive train based on the spring-mass-damper system are used to analyze the dynamics of the drive train.
采用了弹簧—质量—阻尼系统结构并按照风力机运行机理,建立了风力机传动系统的刚性轴模型和柔性轴模型,并确立了相应的仿真分析方法。
Dynamics theory and the "mass-spring-dashpot" system model were used to develop an equilibrium equation. The mass matrix, elasticity matrix and damping matrix were given.
从机械系统动力学理论出发,参照振动系统的“质量弹簧阻尼”模型,分析推导了系统动力学平衡方程,得到了质量矩阵、弹性矩阵及阻尼矩阵的具体表达式。
The results show that the motion of atomic mass centre leads to the periodic evolution of the dynamics of the field phase and this period depends on the field mode structure parameter.
结果表明:原子质心运动导致场相位动力学的周期性演化,场模结构参数决定其周期的大小。
The curtain model is represented as an object composed of mass points connected by semi rigid rods whose behavior is governed by non rigid dynamics.
通过把描述非刚体运动的半刚性杆相互连接来得到窗帘的模型。
The influence of interfacial non-ideal behavior and stress is taken into account, neglecting of mass transfer on gaseous dynamics.
分析中考虑了界面处气相混和物非理想行为及剪切应力的影响,忽略传质对气体运动影响。
This paper aimed to achieve the dynamics model of mass terms for PMAs. In the modeling, PMAs were considered as a system of particles which were distributed uniformly along a cylinder.
单独考虑气动肌肉的质量项并在动力学推导中将其看成沿圆柱体均匀分布的质点系,利用拉格朗日方程建立了气动肌肉质量项动力学模型。
This paper aimed to achieve the dynamics model of mass terms for PMAs. In the modeling, PMAs were considered as a system of particles which were distributed uniformly along a cylinder.
单独考虑气动肌肉的质量项并在动力学推导中将其看成沿圆柱体均匀分布的质点系,利用拉格朗日方程建立了气动肌肉质量项动力学模型。
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