micrometre

简明释义

英[ˈmaɪkrəʊmiːtə(r)]美[ˈmaɪkroʊmiːtər]

n. 微米（长度单位，符号为μm）；百万分之一米

英英释义

单词用法

同义词

反义词

例句

1.This verifies that antennas, radio chips, control circuitry, and micrometre-scale light sources can be integrated into a contact lens and operated on live eyes.

这证明了天线，无线电芯片，控制电路，和微米级的光源可以被集成在隐形眼镜镜片上，并且在眼睛上正常工作。

2.On average, bacterias are about 1 micrometre long.

细菌的平均长度大约1微米。 。

3.Dr Fink's fibre consists of a hollow rod of an insulating polycarbonate material with a 30-micrometre ring of a piezoelectric polymer running along its length.

芬克博士研发出的这种纤维由一种由绝缘聚碳酸酯材料制成的空心杆组成，空心杆的内部有一种30微米的压电聚合物材料制成的环。

4.The resulting substance is a series of interconnected diamond nanorods, with diameters of between 5 and 20 nanometres and lengths of around 1 micrometre each.

由此产生的物质，是一系列相互关联的钻石纳米棒，直径为5至20纳米，长度大约为1微米。

5.Previously, standard optical microscopes managed 20 times that with a clear viewing range of just one micrometre.

以前，标准的20倍光学显微镜，只能清晰观察到一微米范围。

6.This verifies that antennas, radio chips, control circuitry, and micrometre-scale light sources can be integrated into a contact lens and operated on live eyes.

这证明了天线，无线电芯片，控制电路，和微米级的光源可以被集成在隐形眼镜镜片上，并且在眼睛上正常工作。

7.First, the team placed two concave mirrors 1 micrometre apart, and filled the lens-shaped cavity between them with a red liquid dye.

首先，实验小组放置了两面相距一微米的凹镜并向其间透镜状的中空部分填充一种红色液体染料。

8.Micron: Alternative term for Micrometre. A unit to denote the caliper of paper and board.

微米：英文是百万分之一米的另一写法。表示纸或纸板厚度的单位。

9.Some bacteria are only a few micrometres in size.

一些细菌的大小只有几微米。

10.In semiconductor manufacturing, components can be as small as 5 micrometres.

在半导体制造中，组件可以小到5微米。

11.The resolution of an optical microscope can reach down to 200 micrometres.

光学显微镜的分辨率可以达到200微米。

12.A red blood cell has a diameter of about 6 to 8 micrometres.

红血球的直径大约为6到8微米。

13.The thickness of a human hair is approximately 70 to 100 micrometres.

人类头发的厚度大约在70到100微米之间。

作文

The world around us is composed of various materials and structures, some of which are visible to the naked eye, while others exist at a scale that is far beyond our perception. One such unit of measurement that helps us understand this microscopic world is the micrometre (微米). A micrometre is one-millionth of a meter, or 0.001 millimeters, and it plays a crucial role in fields such as biology, materials science, and nanotechnology.In biology, the micrometre is essential for measuring cells and microorganisms. For instance, a typical human red blood cell has a diameter of about 7.5 micrometres. This tiny size is significant because it allows red blood cells to easily navigate through the narrowest capillaries in our bodies, ensuring efficient oxygen transport. In contrast, bacteria, which can range from 1 to 10 micrometres in size, are often studied under a microscope to understand their structure and function, especially in the context of health and disease.In materials science, the micrometre is used to describe the dimensions of particles and fibers. For example, in the production of high-performance materials, engineers often need to control the size of particles to achieve desired properties. Materials with particles in the micrometre range can exhibit unique characteristics, such as increased strength or improved thermal conductivity. Understanding these properties is vital for developing new technologies, from lightweight composites in aerospace to advanced coatings in electronics.Furthermore, in the realm of nanotechnology, the micrometre serves as a bridge between the macroscopic and the nanoscale. While nanomaterials are typically measured in nanometers (one billionth of a meter), understanding their behavior often requires knowledge of structures at the micrometre scale. For instance, the fabrication of nanoscale devices often involves manipulating materials that are several micrometres in size to create functional components at the molecular level. This interplay between different scales is crucial for innovation in fields like medicine, where targeted drug delivery systems may rely on particles that are just a few micrometres in diameter.Moreover, the micrometre is not only a unit of measurement, but it also reflects the complexity of the natural world. The ability to measure and analyze structures at this scale has opened up new avenues for scientific research and technological advancement. For instance, advancements in microscopy have allowed scientists to visualize structures at the micrometre level, leading to breakthroughs in our understanding of cellular processes and materials behavior.In conclusion, the micrometre (微米) is an indispensable unit of measurement that enables us to explore and comprehend the intricate details of the microscopic world. From the study of cells and microorganisms in biology to the development of advanced materials and nanotechnology, the micrometre provides a framework for understanding phenomena that are otherwise invisible to us. As technology continues to advance, the importance of the micrometre will only grow, underscoring the significance of precision in scientific inquiry and innovation.

我们周围的世界由各种材料和结构组成，其中一些是肉眼可见的，而另一些则存在于超出我们感知的尺度。一个帮助我们理解这个微观世界的测量单位是微米（micrometre）。微米是米的百万分之一，或0.001毫米，它在生物学、材料科学和纳米技术等领域发挥着至关重要的作用。在生物学中，微米对于测量细胞和微生物至关重要。例如，一个典型的人类红血球直径约为7.5微米。这种微小的尺寸是重要的，因为它允许红血球轻松地穿过我们身体中最狭窄的毛细血管，从而确保有效的氧气运输。相比之下，细菌的大小通常在1到10微米之间，通常在显微镜下研究，以了解它们的结构和功能，特别是在健康和疾病的背景下。在材料科学中，微米用于描述粒子和纤维的尺寸。例如，在高性能材料的生产中，工程师常常需要控制粒子的大小以实现所需的特性。粒子在微米范围内的材料可以表现出独特的特性，如增强的强度或改善的热导率。理解这些特性对于开发新技术至关重要，从航空航天中的轻质复合材料到电子产品中的先进涂层。此外，在纳米技术领域，微米作为宏观与纳米尺度之间的桥梁。虽然纳米材料通常以纳米（米的十亿分之一）为单位进行测量，但理解它们的行为往往需要对微米尺度的结构有一定的了解。例如，纳米级设备的制造通常涉及操纵几微米大小的材料，以在分子水平上创建功能组件。这种不同尺度之间的相互作用对医学等领域的创新至关重要，其中靶向药物递送系统可能依赖于直径仅为几微米的颗粒。此外，微米不仅仅是一个测量单位，它还反映了自然世界的复杂性。在这个尺度上测量和分析结构的能力开辟了科学研究和技术进步的新途径。例如，显微镜技术的进步使科学家能够在微米水平上可视化结构，从而在我们对细胞过程和材料行为的理解方面取得突破。总之，微米（micrometre）是一个不可或缺的测量单位，使我们能够探索和理解微观世界的复杂细节。从生物学中细胞和微生物的研究到先进材料和纳米技术的发展，微米提供了一个理解否则对我们不可见的现象的框架。随着技术的不断进步，微米的重要性只会增加，强调了科学探究和创新中精确性的意义。