Atoms
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电路 (diàn lù)
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- Scope and Excitement of Physics
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- To determine equivalent resistance of resistors when connected in series and in parallel
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- To determine minimum deviation for given prism by plotting graph between angle of incidence and angle of deviation
- To compare the emf of two given primary cells using potentiometer experiment
Introduction
卡路里和焦耳就是其中的一种。事实证明,当卡路里的比率增加时,焦耳的值以4.2的增长率增加。另一方面,在卡路里值降低的情况下,焦耳值以大约4.2的速率增加。工作单位等于107度,大约相当于107度,这是系统的C.G.S单位。焦耳的测量值类似于瓦秒,瓦秒指的是在1N力下传递给粒子的能量,该力在力方向上位移1米乘1米。
What is the Relation between Calorie and Joule?
在国际SI单位中,有三个不同的因素,如能量、功和热量。焦耳主要用作热量的国际单位制,用“J”表示。
焦耳与瓦特的关系类似,瓦特是一秒钟内可以计算出的持续时间的功率。而卡路里是指比克热量大1000倍以上的能量单位。一卡路里也相当于大约4.2千焦耳。
The relation between Calorie and Joule
Figure 1: Measurement of Calorie and Joule
1卡路里是在1个标准大气压的压力下将1克水的温度升高到10摄氏度所需的热量。相互关系是焦耳和卡路里都与热量有关,热量可以有不同的定义(Uddin等人,2021)。卡路里和焦耳之间的关系可以用一个简单的公式计算,即1卡路里=4.185焦耳(Feng等人,2020)。
能量是工作能力的主要组成部分,热量是最重要的能量形式。热量和能量是物理学中最重要的组成部分,用不同的单位计算。
The formula of Calorie and Joule
卡路里和焦耳是物理学中最常用的物理量,用于计算粒子的热量和能量。这两个单位之间的计算公式与几个目的有关(Richmond,2021)。20卡路里相当于近83.68焦耳,100卡路里相当于约408.5焦耳。
为了计算1千卡,必须用4184焦耳计算,同样,5千卡也可以用20920焦耳计算。为了测量食物的能量,主要使用卡路里而不是焦耳。电力的能量也用焦耳而不是卡路里来计算(Hussein&;Ahmed 2021)。
1焦耳相当于1牛顿的作用力和大约1米的距离。1焦耳几乎相当于1瓦特的1秒功率。
Uses of Calorie and Joule
这两个单位在营养科学领域的几个领域都有应用——热量和焦耳的使用最为常见。较大的卡路里通常被称为千卡(Richmond,2021)。为了测量动物的食物价值和能量,身体通常以千卡为单位计算,但在美国等一些地方,千焦被用来测量食物价值和能源。食物颗粒中的碳水化合物、蛋白质和脂肪等大量营养素含有约4千卡/克,而蛋白质含有4千卡每克,脂肪含有9千卡/克(Hussein&;Ahmed 2021)。
Figure 2: The relation between Calorie and Joule
1焦耳代表不同的科学测量,如在1千克质量的加速度下,通过1 m/s<sup>2</sup>计算的电功率。在能量计算的性质中,特别是在热能计算中,使用焦耳。
Conclusion
在目前的情况下,无论是在物理领域还是在化学领域,卡路里和焦耳大多适用于测量不同粒子的能量和热量。在计算人类能量焦耳和卡路里时,这两个单位都使用了公式,即每1/60秒(约17ms)相当于1焦耳。身体粒子的能量和温度也通过卡路里和焦耳来计算。在测量水分方面,还使用了溶剂卡路里。在实验量热法领域,这两个单元也可以分别看到。
FAQs
问题1卡路里和焦耳有什么区别
这两个单位都用于计算身体粒子的能量、热量和功率。大多数情况下,食物的营养价值和人体能量是用卡路里计算的,而温度和化学能是用焦耳计算的。
问题2.卡路里和焦耳的公式是什么
卡路里和焦耳的基本公式是1卡,相当于大约4.184 J。优选地,4.184被认为是4.2 J。
问题3.卡路里和焦耳的应用是什么
在化学领域,卡路里和焦耳的使用也很常见。为了测量化学反应过程中释放的能量,通常使用卡路里和焦耳。除此之外,在生物学前景中,这两个单元也被分别使用。
Q.4将卡路里转化为焦耳的过程是什么
将热量转换为最高焦耳的初始过程是1卡=约4.2 J。在更大的概念中,1卡=4184 J。这个公式是将热量转换成焦耳的最简单方法。
References
Journals
冯志伟,周十,何G,&;Zhou,S.Q.(2020)。Einstein-PMI引力中高维非线性带电AdS黑洞的Joule-Thomson展开。arXiv预印本arXiv:2009.02172。检索自:
侯赛因,美国;Ahmed,B.A.(2021)。计算了训练的卡路里,以及它们对发展一些身体和生物力学能力以及实现400米青少年跑步的影响。《欧洲体育与运动科学杂志》,6(10)。检索自:
Minamitani,E.(2021)。半导体焦耳加热初始过程的从头算分析。物理审查B,104(8),085202。检索自:(
美国里士满(2021)。热层中的焦耳加热。高层大气动力学和能量学,1-18。检索自:
乌丁一世、乌拉一世、阿里一世、可汗一世和;尼萨尔,K.S.(2021)。Prandtl–Eyring纳米流体在活化能和焦耳加热存在下的非线性混合对流MHD化学反应流的数值分析。《热分析与量热法杂志》,145(2),495-505。检索自: