refractometer

简明释义

英[rɪˌfrækˈtɒmɪtə(r)]美[rɪˌfrækˈtɑːmɪtər]

n. [物] 折射计

英英释义

单词用法

同义词

反义词

例句

1.The compact and easy to use digital handheld refractometer measures from 45.0 to 93% of Brix that can be used in many samples.

该结构紧凑，易于使用的数码手持验光仪措施，从45.0至93 %的锤度，可用于许多样品。

2.The method using dipping refractometer to determined the beer original wort concentration is described. The advantages of this method are rapid, accurate and continuous.

本文叙述用浸入式折光计测定啤酒的原麦汁浓度具有快速、准确、连续测定的优点。

3.The design of the Brewster's refractometer is introduced based on the Brewster's principle. It is simple in principle, easy in operation and less demanding in conditions of surveyed goods.

本文介绍了一种利用布儒斯特原理设计的折射装置，该装置具有原理简单、操作方便、对待测物要求低的特点。

4.The design of the Brewster's refractometer is introduced based on the Brewster's principle. It is simple in principle, easy in operation and less demanding in conditions of surveyed goods.

本文介绍了一种利用布儒斯特原理设计的折射装置，该装置具有原理简单、操作方便、对待测物要求低的特点。

5.Check oxygen concentration by a refractometer.

用折射仪测量一下氧气的浓度。

6.A new gemological refractometer based on Fresnel formulas and optical fiber technology was introduced.

介绍了一种基于菲涅尔公式和光纤传感技术研制的新型宝石折射仪。

7.For studies in the field, the techniques of using capillary tubes to collect nectar and hand-held refractometer to measure sugar content are recommended.

对于一般的野外工作建议用毛细管采集后使用便携式旋光测糖仪测其糖含量。

8.The measurements of thermal optical coefficient (TOC) for organic dye doped polymer films using Abbé refractometer was demonstrated;

本文演示了用阿贝折射仪测定染料掺杂聚合物薄膜热光系数的方法；

9.The scientist used a refractometer to measure the sugar content in the fruit juice.

科学家使用折射仪来测量果汁中的糖分含量。

10.In the lab, we calibrate the refractometer before taking any measurements.

在实验室，我们在进行任何测量之前校准折射仪。

11.A refractometer is essential for winemakers to determine the ripeness of grapes.

对于酿酒师来说，折射仪是确定葡萄成熟度的必备工具。

12.You can use a handheld refractometer to check the salinity of seawater.

你可以使用手持式折射仪来检查海水的盐度。

13.The aquarium technician employed a refractometer to monitor the water quality.

水族馆技术员使用折射仪来监测水质。

作文

The world of science is filled with fascinating tools and instruments that help us understand the complexities of nature. One such instrument is the refractometer, which plays a crucial role in various fields, including chemistry, biology, and even food science. A refractometer (折射仪) is an optical device used to measure the refractive index of a substance. The refractive index is a dimensionless number that describes how light propagates through different media. This property is essential for understanding how substances interact with light, which can provide valuable information about their composition and concentration. In chemistry labs, a refractometer (折射仪) is often employed to determine the purity of solutions. For instance, when chemists create a new compound, they need to ensure that it meets specific purity standards. By measuring the refractive index of the solution, they can infer the concentration of the desired compound versus impurities. This process is not only quick but also requires minimal sample preparation, making it an efficient method for quality control. Biologists also utilize refractometers (折射仪) in their research. For example, when studying cellular structures or microbial life, scientists may need to analyze the refractive indices of various biological samples. Understanding these indices can help researchers identify different types of cells or organisms based on their unique light properties. This application is particularly useful in microbiology, where distinguishing between similar species can be challenging. In the food industry, refractometers (折射仪) are invaluable tools for assessing the sugar content in various products. For example, fruit juice manufacturers use refractometers (折射仪) to measure the Brix value, which indicates the sugar concentration in a solution. This measurement helps producers maintain consistent product quality and sweetness levels, ensuring customer satisfaction. Additionally, winemakers rely on refractometers (折射仪) to monitor the sugar levels in grapes during harvest, which is critical for determining the optimal time for picking. The operation of a refractometer (折射仪) is relatively straightforward. A sample is placed on the prism of the device, and light is directed through it. As light passes through the sample, it bends or refracts at an angle determined by the refractive index. The refractometer (折射仪) then provides a reading, usually displayed on a scale or digital screen, indicating the refractive index of the sample. This simple yet effective mechanism allows for rapid analysis without the need for extensive laboratory equipment. In conclusion, the refractometer (折射仪) is a versatile and essential tool across various scientific disciplines. Its ability to measure the refractive index provides critical insights into the properties of different substances, aiding in quality control, research, and product development. As technology advances, we can expect further innovations in refractometer (折射仪) design and functionality, making them even more accessible and efficient for scientists and industry professionals alike. Understanding and utilizing this remarkable instrument can lead to significant advancements in our knowledge of the natural world and enhance the quality of products we consume daily.

科学的世界充满了迷人的工具和仪器，帮助我们理解自然的复杂性。其中一个这样的仪器是折射仪，它在化学、生物学甚至食品科学等各个领域发挥着至关重要的作用。折射仪是一种光学设备，用于测量物质的折射率。折射率是一个无量纲的数字，描述光在不同介质中传播的方式。这一特性对于理解物质如何与光相互作用至关重要，这可以提供有关其成分和浓度的宝贵信息。 在化学实验室中，折射仪通常用于确定溶液的纯度。例如，当化学家创造一种新化合物时，他们需要确保其符合特定的纯度标准。通过测量溶液的折射率，他们可以推断出所需化合物与杂质的浓度。这一过程不仅快速，而且样品准备要求最低，使其成为质量控制的高效方法。 生物学家也在他们的研究中利用折射仪。例如，在研究细胞结构或微生物生活时，科学家可能需要分析各种生物样本的折射率。理解这些指数可以帮助研究人员根据其独特的光学特性识别不同类型的细胞或生物。这一应用在微生物学中尤为有用，因为区分相似物种可能具有挑战性。 在食品工业中，折射仪是评估各种产品中糖含量的宝贵工具。例如，果汁制造商使用折射仪来测量Brix值，该值表示溶液中的糖浓度。这一测量帮助生产商保持一致的产品质量和甜度水平，确保客户满意。此外，酿酒师依靠折射仪来监控葡萄收获期间的糖分水平，这对于确定采摘的最佳时机至关重要。 折射仪的操作相对简单。将样本放置在设备的棱镜上，并将光线通过它照射。当光线通过样本时，它会以由折射率决定的角度弯曲或折射。折射仪随后提供读数，通常显示在刻度或数字屏幕上，指示样本的折射率。这一简单而有效的机制允许快速分析，无需广泛的实验室设备。 总之，折射仪是一种多功能且必不可少的工具，广泛应用于各个科学领域。其测量折射率的能力提供了对不同物质特性的关键见解，有助于质量控制、研究和产品开发。随着技术的进步，我们可以期待在折射仪的设计和功能方面进一步创新，使其对科学家和行业专业人士更加可及和高效。理解和利用这一非凡的仪器可以推动我们对自然世界的知识重大进展，并提高我们日常消费产品的质量。