centripetally

简明释义

英[sɛnˈtrɪpɪtəli]美[sɛnˈtrɪpɪtli]

adv. 向心地

英英释义

单词用法

同义词

反义词

例句

1.Bubbles float centripetally from the thin froth area and upward from the central part of liquid column area.

气泡分别从薄层区径向向内和从液柱区中心部位轴向向上进入泡沫区。

2.The arrangement of microfilament cytoskeleton in control wounds was centripetally and a purse string-like arrangement of microfilament cytoskeleton was showed in field-exposed wounds.

对照伤口细胞微丝骨架呈向心性排列，电场暴露伤口细胞微丝骨架则沿伤缘呈“索状”排列。

3.The 3 cases of haemangioma were enhanced centripetally in portal phase and washed out after several minutes without arterial enhancement and the other 4 benign cases without typical enhancement.

肝血管瘤3例动脉期瘤内无强化，门静脉期呈向心性填充增强，持续数分钟后消退； 余4例良性病灶变化不典型。

4.An air bearing may centripetally blow air against the expanding pre-form to limit expansion and prevent contact of the pre-form with the localized heat source.

空气轴承可以向心地对着膨胀的预成型体吹出空气以限制膨胀和阻止预成型体和局部加热源相接触。

5.A localized heat source centripetally heats a vertical glass pre-form, while a pressurized air source blows the heated glass to expansion.

局部加热源向心地加热垂直的玻璃预成型体，同时用压缩空气吹制加热的玻璃以使其膨胀。

6.The 3 cases of haemangioma were enhanced centripetally in portal phase and washed out after several minutes without arterial enhancement and the other 4 benign cases without typical enhancement.

肝血管瘤3例动脉期瘤内无强化，门静脉期呈向心性填充增强，持续数分钟后消退； 余4例良性病灶变化不典型。

7.The roller coaster moves centripetally to keep the riders safely in their seats during the sharp turns.

过山车在急转弯时以向心力的方式移动，以确保乘客安全地坐在座位上。

8.The planets orbit the sun centripetally, maintaining their paths due to gravitational pull.

行星以向心力的方式绕太阳轨道运行，由于引力保持其轨迹。

9.In a centrifuge, the samples are spun centripetally to separate materials based on density.

在离心机中，样本以向心力的方式旋转，以根据密度分离材料。

10.In physics, we often analyze motion centripetally to understand the forces acting on objects in circular paths.

在物理学中，我们经常分析以向心力的方式运动，以理解作用于圆形路径上物体的力量。

11.When a car takes a turn, the tires exert a force centripetally to prevent the vehicle from skidding.

当汽车转弯时，轮胎施加向心力以防止车辆打滑。

作文

In the realm of physics, the concept of centripetal force is crucial for understanding the motion of objects in circular paths. When an object moves in a circle, it is constantly changing direction, which requires a force to keep it moving along that curved trajectory. This force acts towards the center of the circle, and we refer to it as centripetal force. The term centripetally describes the manner in which this force acts on the object, pulling it inward toward the center of rotation. Without this inward pull, an object would not be able to maintain its circular path and would instead move off in a straight line due to inertia.To illustrate this concept, consider a simple example of a ball being swung around on a string. As the ball travels in a circular motion, the tension in the string provides the necessary centripetal force. The ball is effectively being pulled centripetally towards the center of the circle formed by the string. If the string were to break, the ball would no longer have this inward force acting upon it and would fly off tangentially in a straight line.This principle is not just limited to simple experiments but extends to various real-world applications. For instance, satellites orbiting the Earth experience centripetal force due to gravity. The gravitational pull of the Earth acts centripetally, keeping the satellite in orbit rather than allowing it to drift away into space. Similarly, cars taking a turn on a road rely on friction between the tires and the pavement to provide the necessary centripetal force to navigate the curve safely.Understanding how forces act centripetally is essential for engineers and scientists alike. It allows them to design safer vehicles, create stable orbital paths for satellites, and even understand the dynamics of celestial bodies in space. For example, when designing roller coasters, engineers must calculate the required centripetal force to ensure that riders remain securely in their seats while experiencing thrilling twists and turns.Moreover, the concept of centripetally directed forces can also be seen in various natural phenomena. Hurricanes, for instance, exhibit a circular motion where the winds spiral inward centripetally toward the eye of the storm. This inward motion is driven by the pressure differences in the atmosphere, demonstrating how fundamental this concept is across different fields of study.In conclusion, the term centripetally encapsulates a vital aspect of motion in circular paths, emphasizing the importance of forces that act inward toward a center. Whether in everyday life or advanced scientific applications, understanding how forces work centripetally is essential for grasping the principles of motion and the behavior of objects in our universe. By exploring these concepts, we gain insights into the physical world and enhance our ability to innovate and solve complex problems.

在物理学领域，向心力的概念对于理解沿圆形路径运动的物体至关重要。当一个物体沿着圆形运动时，它的方向不断变化，这就需要一种力量来使其沿着这个弯曲的轨迹运动。这种力量朝向圆心作用，我们称之为向心力。术语centripetally描述了这种力量作用于物体的方式，拉向旋转中心。如果没有这种向内的拉力，物体将无法维持其圆形路径，而是由于惯性而沿直线运动。为了说明这一概念，考虑一个简单的例子：一个球被绳子挥舞。当球在圆形运动中移动时，绳子的张力提供了必要的向心力。球有效地被拉向绳子形成的圆的中心，朝向中心的运动是centripetally的。如果绳子断裂，球将不再受到这种向内的力量作用，而会沿切线方向直线飞出。这一原理不仅限于简单实验，还扩展到各种现实世界的应用。例如，绕地球运行的卫星由于重力而体验到向心力。地球的引力作用centripetally，使卫星保持在轨道上，而不是漂流到太空中。同样，汽车在道路上转弯时依靠轮胎与路面之间的摩擦提供所需的向心力，以安全地导航曲线。理解如何centripetally作用的力量对工程师和科学家来说至关重要。这使他们能够设计更安全的车辆，为卫星创建稳定的轨道，甚至理解太空中天体的动力学。例如，在设计过山车时，工程师必须计算所需的向心力，以确保乘客在经历刺激的急转弯时仍然安全地坐在座位上。此外，centripetally定向的力量的概念也可以在各种自然现象中看到。例如，飓风表现出一种圆形运动，其中风向内螺旋式地centripetally朝着风暴的眼睛。这种向内运动是由大气中的压力差驱动的，展示了这一概念在不同研究领域的基础性。总之，术语centripetally概括了圆形路径运动的一个重要方面，强调了朝向中心作用的力量的重要性。无论是在日常生活中还是在高级科学应用中，理解力量如何centripetally作用对于掌握运动原理和物体在我们宇宙中行为的理解至关重要。通过探索这些概念，我们获得了对物理世界的深刻见解，并增强了我们创新和解决复杂问题的能力。