photometer

简明释义

英[fəʊˈtɒmɪtə(r)]美[foʊˈtɑːmətər]

n. 光度计；测光表

英英释义

单词用法

同义词

反义词

例句

1.Data from Hubble's near-infrared camera and multi-object spectrometer revealed the presence of the molecules, and data from Spitzer's photometer and infrared spectrometer measured their amounts.

来自哈勃近红外相机和多目标光谱仪的数据揭示了分子的存在，来自斯皮策的光度计数据和红外光谱仪测定分子数量。

2.The application of FIA two-beam photometer to flow injection analysis is studied.

开展了流动注射分析在双光束光度计上的应用研究。

3.A sun photometer CIMEL CE-318 in AERONET (owned by US NASA/GSFC) was operated under same conditions to compare with MORSAS. The observed results are consistent very well each other.

该仪器与一台美国NASA主持的国际气溶胶观测网仪器CIMELCE-318太阳光度计进行对比观测，二者所得结果一致性较好。

4.The light from stimulating source to the pigment sample and the emitting light from the pigment sample to the photometer are transmitted by optical fibres.

从激发源到样品的激发光，以及从样品到光度计的发射光均由光纤进行传导。

5.In this article, the phenol-sulfuric acid method combined with caramelization - grating photometer method is used to determine and monitor the content of sugar in algae solution.

本文采用硫酸苯酚法与焦糖化分光光度法相结合的方法，测定含藻水溶液中总糖浓度的变化。

6.The test observations and initial analysis of a near infrared photometer used with the 1 -meter reflecting telescope at Yunnan Observatory are given.

本文给出了北师大，云南天文台和华北光电所共同研制的近红外光度计在云台1米望远镜上试观测的结果和一些初步分析。

7.To ensure accurate readings, the photometer must be calibrated regularly.

为了确保读数准确，光度计必须定期校准。

8.The environmentalist used a handheld photometer to assess the water quality in the river.

环保主义者使用手持式光度计来评估河水的水质。

9.In the laboratory, a photometer is essential for analyzing the absorption of different wavelengths of light.

在实验室中，光度计对于分析不同波长光的吸收至关重要。

10.During the experiment, the photometer recorded fluctuations in light intensity over time.

在实验过程中，光度计记录了光强度随时间的波动。

11.The scientist used a photometer to measure the intensity of light emitted by the new LED bulbs.

科学家使用光度计来测量新LED灯泡发出的光强度。

作文

In the realm of scientific measurement, the importance of accurate data cannot be overstated. One such instrument that plays a crucial role in various fields, including physics and engineering, is the photometer. A photometer (光度计) is an optical device used to measure the intensity of light. It serves as a bridge between theoretical concepts and practical applications by providing precise measurements that can be analyzed and utilized in numerous ways.The history of the photometer dates back to the early days of optics. Scientists like Johann Heinrich Lambert and Pierre Bouguer laid the groundwork for light measurement techniques. Over the years, the photometer has evolved significantly, with advancements in technology leading to more sophisticated designs and increased accuracy. Modern photometers are equipped with highly sensitive sensors that can detect even the faintest light sources, making them invaluable tools in research and industry.One of the primary applications of a photometer is in the field of astronomy. Astronomers use these devices to measure the brightness of stars and other celestial bodies, allowing them to determine distances and compositions of these objects. The data collected from a photometer can help scientists understand the universe better, contributing to theories about its formation and evolution.In addition to astronomy, photometers are widely used in environmental science. They help monitor light pollution, which is a growing concern in urban areas. By measuring the intensity of artificial light, researchers can assess its impact on wildlife and ecosystems. This information is crucial for developing strategies to mitigate light pollution and protect natural habitats.Moreover, the significance of photometers extends to the field of photography. Photographers rely on these instruments to achieve the perfect exposure for their images. By measuring the amount of light in a scene, a photometer (光度计) aids photographers in selecting appropriate settings for their cameras, ensuring that their photographs capture the desired mood and detail.In industrial applications, photometers are essential for quality control processes. For instance, manufacturers of displays and lighting systems use photometers to ensure that their products meet specific brightness standards. This not only guarantees customer satisfaction but also compliance with regulatory requirements.As technology continues to advance, the future of photometry looks promising. Innovations such as miniaturization and integration with digital technologies are making photometers more accessible and user-friendly. With the rise of citizen science, amateur astronomers and environmentalists can now utilize compact photometers to contribute valuable data to scientific research.In conclusion, the photometer (光度计) is a vital instrument that enhances our understanding of light in various contexts. Its applications span across multiple disciplines, from astronomy to environmental science and photography. As we continue to explore the mysteries of light, the role of the photometer will undoubtedly remain significant, helping us to illuminate the world around us and foster advancements in science and technology.

在科学测量领域，准确数据的重要性不容忽视。光度计（photometer）是一个在物理学和工程学等多个领域中发挥重要作用的仪器。光度计（photometer）是一种用于测量光强度的光学设备。它通过提供可以分析和利用的精确测量，架起理论概念与实际应用之间的桥梁。光度计的历史可以追溯到光学早期。约翰·海因里希·兰伯特和皮埃尔·布盖尔等科学家为光测量技术奠定了基础。随着时间的推移，光度计经历了显著的进化，技术的进步使得其设计更加复杂，精度更高。现代光度计配备有高度敏感的传感器，能够检测到微弱的光源，使其成为研究和工业中不可或缺的工具。光度计的主要应用之一是在天文学领域。天文学家使用这些设备来测量恒星和其他天体的亮度，从而确定这些物体的距离和组成。从光度计收集的数据可以帮助科学家更好地理解宇宙，促进关于其形成和演化的理论发展。除了天文学，光度计还广泛应用于环境科学。它们帮助监测光污染，这在城市地区日益成为一个关注点。通过测量人工光的强度，研究人员可以评估其对野生动物和生态系统的影响。这些信息对于制定减轻光污染和保护自然栖息地的策略至关重要。此外，光度计的意义还延伸到摄影领域。摄影师依赖这些仪器来实现图像的完美曝光。通过测量场景中的光量，光度计（photometer）帮助摄影师选择相机的适当设置，确保他们的照片捕捉到所需的情绪和细节。在工业应用中，光度计对质量控制过程至关重要。例如，显示器和照明系统的制造商使用光度计确保其产品符合特定的亮度标准。这不仅保证了客户的满意度，还符合监管要求。随着技术的不断进步，光度计的未来看起来充满希望。微型化和与数字技术的整合等创新正在使光度计变得更加易于获取和用户友好。随着公民科学的兴起，业余天文学家和环境保护者现在可以利用紧凑型光度计为科学研究贡献有价值的数据。总之，光度计（photometer）是一个重要的仪器，增强了我们在各种背景下对光的理解。它的应用跨越多个学科，从天文学到环境科学和摄影。随着我们继续探索光的奥秘，光度计的角色无疑将保持重要，帮助我们照亮周围的世界，促进科学和技术的进步。