chromatograph

简明释义

英[krəˈmætəˌɡrɑːf]美[ˈkromətəˌɡræf]

n. 色谱仪，层析仪（同 chromatogram）

v. 用色谱法分析（同 chromatogram）

英英释义

单词用法

同义词

反义词

例句

1.The basic principle of vacuum braze and its application in manufacturing gas chromatograph are described.

介绍了真空钎焊技术的基本原理及其在气相色谱仪气路部件加工中的应用。

2.The methods of data dynamic storage and chromatograph data processing are discussed in detail.

在软件设计中较详细地介绍了数据动态存储及数据处理的方法。

3.Tetramethylpyrazine in human plasma was determined by high performance liquid chromatograph with solid phase extraction.

采用固相萃取-高效液相色谱法测定人血浆中的川芎嗪浓度。

4.A kind of a novel diode array detector for high performance liquid chromatograph (HPLC) was introduced.

介绍一种新型的高效液相色谱二极管阵列检测器。

5.We use an ion chromatograph (reagent free) to test for nitrates, calcium and strontium.

咱们接纳离子色谱仪（试药不收费）实验硝镪水盐，钙，锶。

6.An analytical method was established for wool fiber by pyrolysis gas chromatograph (GC) with base catalysis inputting sample mode.

提供了一种碱催化进样方式，利用裂解气相色谱对毛纤维进行鉴别的方法。

7.The technique is known as adsorption chromatograph.

这种分析技术称为吸附色谱。

8.The laboratory used a chromatograph to separate the compounds in the mixture.

实验室使用了一台色谱仪来分离混合物中的化合物。

9.The technician operated the chromatograph to analyze the samples collected from the field.

技术员操作色谱仪分析从现场采集的样本。

10.By analyzing the results from the chromatograph, we identified the unknown substances.

通过分析色谱仪的结果，我们识别出了未知物质。

11.The chromatograph is essential for quality control in pharmaceutical manufacturing.

在制药生产中，色谱仪对质量控制至关重要。

12.We calibrated the chromatograph before running the tests to ensure accuracy.

在进行测试之前，我们对色谱仪进行了校准，以确保准确性。

作文

In the world of analytical chemistry, one of the most important tools used by scientists is the chromatograph. A chromatograph (色谱仪) is an instrument that separates mixtures into their individual components, allowing for detailed analysis of complex substances. This technique is crucial in various fields, including pharmaceuticals, environmental monitoring, and food safety. Understanding how a chromatograph works can provide insight into its significance in modern science.The principle behind a chromatograph involves the separation of compounds based on their different interactions with a stationary phase and a mobile phase. The stationary phase is typically a solid or a liquid that is fixed in place, while the mobile phase is a gas or liquid that moves through the stationary phase. As the sample mixture is introduced into the chromatograph, the components of the mixture interact differently with the stationary and mobile phases, leading to their separation as they travel through the system.There are various types of chromatographs, each suited for different applications. For example, gas chromatography (GC) is commonly used to analyze volatile compounds, while liquid chromatography (LC) is ideal for separating larger molecules like proteins and nucleic acids. High-performance liquid chromatography (HPLC) is a more advanced form of LC that allows for higher resolution and faster analysis times. Each type of chromatograph has its own unique features and capabilities, making it essential for researchers to choose the right one for their specific needs.One of the significant advantages of using a chromatograph is its ability to provide quantitative results. By measuring the area under the peaks in a chromatogram, scientists can determine the concentration of each component in the original mixture. This quantitative analysis is vital for quality control in industries such as pharmaceuticals, where precise measurements of active ingredients are necessary to ensure product safety and efficacy.Moreover, the chromatograph plays a crucial role in environmental science. It is used to detect pollutants in air, water, and soil samples, helping to monitor environmental health and compliance with regulations. For instance, scientists can use a chromatograph to identify and quantify pesticide residues in agricultural products, ensuring that they meet safety standards before reaching consumers.The future of chromatography looks promising, with advancements in technology leading to more efficient and accurate instruments. Innovations such as miniaturized chromatographs and the integration of artificial intelligence for data analysis are paving the way for rapid developments in this field. As research continues to evolve, the chromatograph will undoubtedly remain a cornerstone of analytical chemistry, providing invaluable insights into the composition of various substances.In conclusion, the chromatograph (色谱仪) is an essential tool in the realm of scientific analysis. Its ability to separate, identify, and quantify components of complex mixtures has made it indispensable across numerous industries. As technology advances, the chromatograph will continue to enhance our understanding of chemical compositions and contribute to the safety and quality of products we rely on every day.

在分析化学的世界里，科学家们使用的最重要工具之一是色谱仪。色谱仪是一种将混合物分离成各个组分的仪器，从而允许对复杂物质进行详细分析。这种技术在制药、环境监测和食品安全等多个领域至关重要。理解色谱仪的工作原理可以深入了解其在现代科学中的重要性。色谱仪的原理涉及根据样品中不同组分与固定相和流动相的不同相互作用进行分离。固定相通常是固定在某处的固体或液体，而流动相则是通过固定相移动的气体或液体。当样品混合物被引入色谱仪时，混合物的组成部分与固定相和流动相的相互作用不同，导致它们在系统中旅行时被分离。有多种类型的色谱仪，每种适用于不同的应用。例如，气相色谱（GC）通常用于分析挥发性化合物，而液相色谱（LC）则适合分离较大分子，如蛋白质和核酸。高效液相色谱（HPLC）是LC的一种更先进形式，允许更高的分辨率和更快的分析时间。每种类型的色谱仪都有其独特的特点和能力，使研究人员能够为其特定需求选择合适的设备。使用色谱仪的一个显著优势是其提供定量结果的能力。通过测量色谱图中峰下的面积，科学家可以确定原始混合物中每个组分的浓度。这种定量分析对于制药等行业的质量控制至关重要，因为精确测量活性成分对于确保产品的安全性和有效性是必要的。此外，色谱仪在环境科学中也发挥着关键作用。它用于检测空气、水和土壤样本中的污染物，帮助监测环境健康和遵守法规。例如，科学家可以使用色谱仪识别和定量农业产品中的农药残留，确保它们在到达消费者之前符合安全标准。色谱法的未来看起来很有希望，随着技术的进步，导致更高效和准确的仪器的出现。迷你色谱仪和人工智能数据分析集成等创新正在为该领域的快速发展铺平道路。随着研究的不断发展，色谱仪无疑将继续成为分析化学的基石，为我们提供关于各种物质组成的宝贵见解，并有助于我们每天依赖的产品的安全性和质量。总之，色谱仪（色谱仪）是科学分析领域的重要工具。其分离、识别和定量复杂混合物组分的能力使其在众多行业中不可或缺。随着技术的进步，色谱仪将继续增强我们对化学成分的理解，并有助于我们日常生活中所依赖产品的安全性和质量。