densitometer

简明释义

英[ˌdensɪˈtɒmɪtə(r)]美[ˌdensəˈtɑːmətər]

n. 比重计，浓度计；光密度计

英英释义

单词用法

同义词

反义词

例句

1.The zero point of the density scale is defined by having no specimen in the densitometer.

定义密度计内没有样品时的密度为密度尺标的零点。

2.On-Line measurement of solid content in aluminium hydroxide slurry by isotopic densitometer.

应用同位素密度计在线测量氢氧化铝料浆的固体含量。

3.The setup densitometer lamp must be replaced.

设定用浓度计的灯泡必须更换。

4.This paper discussed the relationship between solid content and density of aluminium hydroxide slurry and describes the measurement method and in situ applications of isotopic densitometer.

本文讨论了氢氧化铝料浆的固体含量和密度之间的关系及固体含量的密度检测方法。介绍了同位素密度计的现场应用情况。

5.Use the densitometer color characteristics should be a relative sense, with regard to business card printing and membership card materials of process control is very useful.

使用密度计的彩色特性应该是一种相对的感觉，对于制卡和会员卡制作材料的工艺控制是非常有用的。

6.Manifoldmeasurement methods of bone mineral density and diagnostic criteria of bone mineral densitometer are elucidated in this paper.

本文概要叙述了骨密度各种测量方法；阐述了骨密度仪的诊断判据。

7.The reading aperture of a densitometer refers to the size of the spot it will measure.

浓度计的读书开口提到大小它将测量的斑点。

8.The densitometer is essential for quality control in printing processes.

在印刷过程中，密度计对质量控制至关重要。

9.She checked the film density with a densitometer before developing it.

她在冲洗胶卷之前用密度计检查了胶卷的密度。

10.Using a densitometer helps ensure consistent color reproduction in prints.

使用密度计有助于确保打印中颜色再现的一致性。

11.The photographer used a densitometer to measure the exposure levels of the film.

摄影师使用密度计来测量胶卷的曝光水平。

12.In the lab, we regularly calibrate our densitometer to ensure accurate readings.

在实验室，我们定期校准我们的密度计以确保读数准确。

作文

In the world of science and technology, precision is paramount. One instrument that embodies this pursuit of accuracy is the densitometer. A densitometer is a device used to measure the optical density of a material, which is crucial in various fields such as photography, printing, and even medical imaging. Understanding how a densitometer works can provide insights into its importance in these industries.To begin with, let's explore the basic functioning of a densitometer. This instrument measures the amount of light that passes through or reflects off a material. The optical density is calculated based on the logarithm of the ratio of incident light to transmitted light. In simpler terms, the more opaque a material is, the higher its optical density will be. This measurement is vital for photographers who need to evaluate the exposure levels of their images. By using a densitometer, they can ensure that their photographs have the correct contrast and brightness, ultimately enhancing the visual quality of their work.In the printing industry, the role of a densitometer becomes even more critical. Printers rely on precise color reproduction to meet client expectations. A densitometer helps them monitor the density of inks on paper, ensuring that colors are consistent across different prints. This consistency is essential, especially when producing large quantities of printed materials. Without the use of a densitometer, printers would find it challenging to achieve the level of accuracy required in color matching, potentially leading to dissatisfaction among clients.Moreover, the medical field has also benefited from the advancements in densitometer technology. For instance, in radiology, a densitometer is used to analyze X-ray films. Radiologists must assess the density of the images to make accurate diagnoses. By measuring the optical density of X-rays, they can determine the presence of abnormalities within the body. This application not only highlights the versatility of the densitometer but also emphasizes its life-saving capabilities.The evolution of densitometers has led to the development of digital versions that offer enhanced features. Digital densitometers provide immediate readings and can store data for further analysis. This advancement allows professionals to track changes over time, making it easier to identify trends in their work. For example, a photographer can compare the optical density of different images to understand how their techniques have evolved. Similarly, printers can maintain records of ink density levels to improve their processes continuously.In conclusion, the densitometer is an indispensable tool in various fields, providing essential measurements that enhance the quality and accuracy of work. Whether in photography, printing, or medicine, understanding the function and importance of a densitometer can lead to better outcomes and innovations. As technology continues to progress, the role of the densitometer will undoubtedly expand, further solidifying its place in the toolkit of professionals across multiple disciplines.

在科学和技术的世界中，精确性至关重要。一个体现这种追求准确性的仪器是密度计。密度计是一种用于测量材料光学密度的设备，这在摄影、印刷甚至医学成像等多个领域至关重要。理解密度计的工作原理可以提供对其在这些行业重要性的深刻见解。首先，让我们探讨一下密度计的基本功能。该仪器测量通过或反射材料的光线量。光学密度是基于入射光与透射光比率的对数计算的。简单来说，材料越不透明，其光学密度就越高。这一测量对于摄影师来说至关重要，他们需要评估图像的曝光水平。通过使用密度计，他们可以确保照片具有正确的对比度和亮度，从而最终提高作品的视觉质量。在印刷行业，密度计的作用变得更加关键。印刷商依赖精确的颜色再现以满足客户期望。密度计帮助他们监控纸张上的墨水密度，确保不同印刷品之间的颜色一致性。这种一致性至关重要，特别是在大批量生产印刷材料时。如果没有使用密度计，印刷商将很难在颜色匹配方面达到所需的准确度，这可能导致客户的不满。此外，医学领域也受益于密度计技术的进步。例如，在放射学中，密度计用于分析X光片。放射科医生必须评估图像的密度以做出准确的诊断。通过测量X光的光学密度，他们可以确定体内异常的存在。这一应用不仅突显了密度计的多功能性，还强调了其拯救生命的能力。密度计的演变导致了数字版本的发展，提供了增强的功能。数字密度计提供即时读数并可以存储数据以供进一步分析。这一进步使专业人员能够跟踪随时间变化的数据，更容易识别其工作的趋势。例如，摄影师可以比较不同图像的光学密度，以了解其技术如何演变。类似地，印刷商可以维护墨水密度水平的记录，以不断改进其工艺。总之，密度计是多个领域不可或缺的工具，提供增强工作质量和准确性的必要测量。无论是在摄影、印刷还是医学中，理解密度计的功能和重要性都可以带来更好的结果和创新。随着技术的不断进步，密度计的作用无疑会扩大，进一步巩固其在多个学科专业工具箱中的地位。