insulated body

简明释义

绝缘体

英英释义

例句

1.Engineers designed an insulated body for the spacecraft to withstand extreme temperatures.

工程师为航天器设计了一个绝缘体以承受极端温度。

2.An insulated body is essential in preventing electrical shock in high-voltage environments.

在高压环境中，绝缘体对于防止电击至关重要。

3.The scientist conducted an experiment using an insulated body to study heat transfer.

科学家使用一个绝缘体进行实验，以研究热传导。

4.In a cold climate, wearing an insulated body suit can help retain body heat.

在寒冷的气候中，穿着绝缘体服可以帮助保持体温。

5.The insulated body of the thermos keeps beverages hot or cold for hours.

保温瓶的绝缘体保持饮品热或冷数小时。

作文

In the world of physics, the concept of an insulated body plays a crucial role in understanding heat transfer and energy conservation. An insulated body is defined as an object that is surrounded by a material that significantly reduces the rate of heat exchange with its environment. This idea can be illustrated through various real-life examples, such as thermos bottles, insulated walls, and even the human body under certain conditions.When we consider a thermos bottle, it is designed to keep liquids hot or cold for extended periods. The bottle is made of materials that minimize heat loss or gain, effectively creating an insulated body that maintains the temperature of its contents. The vacuum between the inner and outer layers of the bottle acts as an insulator, preventing heat transfer through conduction and convection. This is a practical application of the principles of thermodynamics, where the aim is to maintain thermal equilibrium within the insulated body.Similarly, in construction, buildings are often designed with insulated bodies to enhance energy efficiency. Insulation materials, such as fiberglass or foam, are used within walls and roofs to reduce heat loss during winter and heat gain during summer. This not only contributes to a more comfortable living environment but also reduces energy consumption, leading to lower utility bills. The effectiveness of an insulated body in this context can be measured by its R-value, which indicates the material's resistance to heat flow. A higher R-value signifies better insulation, making the building more energy-efficient.The human body can also be considered an insulated body to some extent. Our skin acts as a barrier that helps regulate body temperature by preventing excessive heat loss. Additionally, subcutaneous fat serves as natural insulation, keeping our internal organs warm. When exposed to cold environments, our bodies initiate physiological responses, such as shivering, to generate heat and maintain a stable internal temperature. Understanding the human body as an insulated body highlights the importance of maintaining proper body temperature for overall health and well-being.In scientific experiments, the concept of an insulated body is often utilized to study heat transfer mechanisms. For instance, when measuring the specific heat capacity of a substance, researchers may use an insulated body to ensure that the heat exchanged during the experiment is primarily between the substance and the surrounding environment, rather than being lost to the external surroundings. This allows for more accurate results and a better understanding of thermal properties.In conclusion, the term insulated body encompasses a wide range of applications across various fields, from everyday objects like thermos bottles to complex systems like building designs and biological organisms. By understanding the principles behind an insulated body, we can appreciate the significance of insulation in conserving energy and maintaining temperature stability. Whether in physics, engineering, or biology, the concept of an insulated body serves as a fundamental building block for further exploration and innovation in science and technology.

在物理学的世界中，绝缘体的概念在理解热传递和能量守恒方面发挥着至关重要的作用。绝缘体被定义为一个物体，其周围被一种材料包围，这种材料显著减少了与环境之间的热交换速率。这个理念可以通过各种现实生活中的例子来说明，例如保温瓶、绝缘墙壁，甚至在某些条件下的人体。当我们考虑保温瓶时，它的设计目的是为了在长时间内保持液体的热度或冷度。该瓶由减少热量损失或获得的材料制成，有效地创建了一个绝缘体，保持其内容物的温度。瓶子的内层和外层之间的真空起到绝缘的作用，防止通过导热和对流进行热传递。这是热力学原理的实际应用，目的是维持绝缘体内部的热平衡。同样，在建筑中，建筑物通常被设计为具有绝缘体以增强能量效率。绝缘材料（如玻璃纤维或泡沫）被用于墙壁和屋顶内，以减少冬季的热损失和夏季的热增加。在这种情况下，绝缘体的有效性可以通过其R值来测量，R值表示材料对热流的阻力。较高的R值意味着更好的绝缘，使建筑物更加节能。人体在某种程度上也可以被视为一个绝缘体。我们的皮肤充当屏障，帮助调节体温，防止过多的热量流失。此外，皮下脂肪作为天然绝缘体，使我们的内脏保持温暖。当暴露在寒冷环境中时，我们的身体会启动生理反应，例如发抖，以产生热量并维持稳定的内部温度。将人体理解为绝缘体突显了维持适当体温对整体健康和福祉的重要性。在科学实验中，绝缘体的概念常常被用来研究热传递机制。例如，在测量物质的比热容时，研究人员可能使用一个绝缘体来确保实验过程中交换的热量主要是在物质和周围环境之间，而不是被损失到外部环境。这使得结果更加准确，并更好地理解热特性。总之，绝缘体这个术语涵盖了各个领域的广泛应用，从日常物品如保温瓶到复杂的系统如建筑设计和生物有机体。通过理解绝缘体背后的原理，我们可以欣赏绝缘在节能和维持温度稳定方面的重要性。无论是在物理学、工程学还是生物学中，绝缘体的概念都是进一步探索和创新科学与技术的基础性构建块。