chromatograms

简明释义

英[ˌkrəʊməˈtɒɡrəms]美[ˌkroʊməˈtɡræmz]

[分化]色谱图（chromatogram 的复数）

英英释义

单词用法

同义词

反义词

例句

1.Peaks with long retention times may appear in any of the chromatograms.

任何色谱图中的色谱峰的保留时间均较长。

2.The influence of the concentration of added salt on the size exclusion chromatograms of polyelectrolyte was discussed.

讨论了盐浓度对聚电解质体积排阻色谱的影响。

3.In other studies, chromatograms from 5% of randomly selected subjects in each study should be included.

在其他研究中，应包括每个研究中5%随机选择课题的色谱图。

4.These were shown to emulate ion chromatograms produced in a subsequent run without the digestion element, based on protein elution.

可以仿效一个序列运行的离子色谱图，而不需要基于蛋白洗提的酶解成分。

5.Result The chromatograms and the data of quantitative analysis were attained.

结果得到了样品的色谱图和定量分析数据。

6.Complete serial chromatograms from 5-20% of subjects, with standards and QC samples from those analytical runs.

从分析批中5- 20%课题的有标准品和QC样品的完整的一系列色谱图。

7.Examine the rawdata obtained in the analysis, including chromatograms and spectra, andidentify anomalous or suspect information.

检查分析中获得的原始数据，包括图谱，找出其中异常和可疑的信息。

8.In the DBP producing, the constitutes of disused reclaimed carbinols are analyzed by chromatograms.

分析了长庆气田第一天然气净化厂甲醇回收装置运行中存在的问题。

9.Result: The HPLC method is rapid, accurate, and reproducible with ideal HPLC chromatograms.

结果：结果快速、准确、重现性好、HPLC分析图谱理想。

10.The scientist analyzed the chromatograms to determine the composition of the sample.

科学家分析了色谱图以确定样本的成分。

11.By comparing the chromatograms, we can identify the presence of impurities in the solution.

通过比较色谱图，我们可以识别溶液中杂质的存在。

12.The chromatograms showed distinct peaks corresponding to different compounds.

这些色谱图显示出与不同化合物对应的明显峰值。

13.In forensic science, chromatograms are used to analyze substances found at crime scenes.

在法医学中，色谱图用于分析在犯罪现场发现的物质。

14.The laboratory technician prepared the samples and ran them through the chromatograms for analysis.

实验室技术员准备了样品，并将其通过色谱图进行分析。

作文

Chromatography is an essential technique used in chemistry and biochemistry for separating and analyzing complex mixtures. One of the most crucial outputs of this process is the creation of chromatograms, which are visual representations of the components present in a sample. These chromatograms provide valuable information about the identity and quantity of different substances, making them indispensable in various fields such as pharmaceuticals, environmental testing, and food safety.The process of chromatography involves passing a mixture through a medium where the components travel at different rates. This separation occurs due to differences in their physical and chemical properties, such as size, charge, or affinity for the stationary phase. As the individual components of the mixture separate, they can be detected and recorded, resulting in a chromatogram that displays distinct peaks corresponding to each substance.A typical chromatogram consists of a graph with time on the x-axis and detector response on the y-axis. Each peak represents a different component, and the area under the peak is proportional to the concentration of that substance in the original mixture. By analyzing these chromatograms, scientists can determine not only what substances are present but also how much of each substance exists in the sample.In pharmaceutical research, chromatograms are crucial for quality control and ensuring the purity of drugs. For instance, when developing a new medication, researchers must analyze the final product to confirm that it contains the correct active ingredients and is free from harmful impurities. By using techniques such as high-performance liquid chromatography (HPLC), scientists can generate detailed chromatograms that reveal the composition of the drug, allowing them to make necessary adjustments before it reaches the market.Environmental scientists also rely heavily on chromatograms to monitor pollutants in air, water, and soil samples. For example, by analyzing water samples from a river, scientists can identify the presence of toxic substances such as heavy metals or pesticides. The chromatograms produced from these analyses help in assessing the level of contamination and determining whether the water is safe for consumption or recreational use.Moreover, food safety is another area where chromatograms play a vital role. Food products are often tested for contaminants, additives, and nutritional content. By employing gas chromatography or liquid chromatography, food scientists can create chromatograms that indicate the presence of harmful substances or verify the authenticity of ingredients. This ensures that consumers receive safe and accurately labeled products.In conclusion, chromatograms are powerful tools in the analytical chemistry toolkit. They provide a clear and concise way to visualize the components of complex mixtures, enabling scientists to conduct thorough analyses across various industries. Whether in pharmaceuticals, environmental monitoring, or food safety, the ability to interpret chromatograms is critical for making informed decisions and maintaining public health. As technology advances, the techniques used to generate and analyze chromatograms will continue to evolve, further enhancing our understanding of the world around us.

色谱法是化学和生物化学中用于分离和分析复杂混合物的重要技术。这个过程的一个关键输出是生成色谱图，它是样品中成分的视觉表示。这些色谱图提供了关于不同物质的身份和数量的宝贵信息，使其在制药、环境测试和食品安全等多个领域不可或缺。色谱法的过程涉及将混合物通过一种介质，其中成分以不同的速度移动。这种分离是由于它们在物理和化学性质上的差异，例如大小、电荷或对固定相的亲和力。当混合物的各个成分分离时，它们可以被检测并记录，从而生成显示每种物质对应的不同峰值的色谱图。典型的色谱图由一个以时间为x轴、以检测器响应为y轴的图形组成。每个峰代表一种不同的成分，峰下的面积与原始混合物中该物质的浓度成正比。通过分析这些色谱图，科学家不仅可以确定样品中存在哪些物质，还可以了解每种物质的含量。在制药研究中，色谱图对于质量控制和确保药物的纯度至关重要。例如，在开发新药时，研究人员必须分析最终产品，以确认其含有正确的活性成分且不含有害杂质。通过使用高效液相色谱（HPLC）等技术，科学家可以生成详细的色谱图，揭示药物的成分，从而在药物上市之前进行必要的调整。环境科学家也非常依赖色谱图来监测空气、水和土壤样品中的污染物。例如，通过分析河流的水样，科学家可以识别出重金属或农药等有毒物质的存在。这些分析产生的色谱图有助于评估污染水平，并确定水是否适合饮用或休闲使用。此外，食品安全是另一个色谱图发挥重要作用的领域。食品产品常常会接受污染物、添加剂和营养成分的测试。通过采用气相色谱或液相色谱，食品科学家可以创建色谱图，指示有害物质的存在或验证成分的真实性。这确保消费者获得安全且标注准确的产品。总之，色谱图是分析化学工具箱中的强大工具。它们提供了一种清晰简洁的方式来可视化复杂混合物的成分，使科学家能够在各个行业进行彻底的分析。无论是在制药、环境监测还是食品安全领域，解读色谱图的能力对于做出明智决定和维护公共健康至关重要。随着技术的进步，用于生成和分析色谱图的技术将继续发展，进一步增强我们对周围世界的理解。