cuvettes

简明释义

英[kjuːˈvɛts]美[kjuˈvɛts]

n. 比色皿；透明小容器（cuvette 的复数）

英英释义

单词用法

同义词

反义词

例句

1.The plastic disposable cuvettes can be used with most polar organic solvents, as well as acids and bases.

塑料通用试管可以使用最常用的有机溶剂，比如酸和碱。

2.Cuvettes are highly chemically resistant. The plastic disposable cuvettes can be used with most polar organic solvents, as well as acids and bases.

试管耐化学腐蚀。塑料通用试管可以使用最常用的有机溶剂，比如酸和碱。

3.Cuvettes are highly chemically resistant. The plastic disposable cuvettes can be used with most polar organic solvents, as well as acids and bases.

试管耐化学腐蚀。塑料通用试管可以使用最常用的有机溶剂，比如酸和碱。

4.Make sure to clean the cuvettes thoroughly before each use to avoid contamination.

确保在每次使用前彻底清洁比色皿以避免污染。

5.After measuring the absorbance, the results were recorded for each cuvettes in the lab notebook.

测量吸光度后，将实验室笔记本中每个比色皿的结果记录下来。

6.The laboratory technician carefully placed the samples into the cuvettes to begin the spectrophotometric analysis.

实验室技术员小心翼翼地将样品放入比色皿中，以开始光谱光度分析。

7.The cuvettes used in this experiment are made of quartz to allow UV light to pass through.

本实验中使用的比色皿是用石英制成的，以便让紫外光透过。

8.Different colors of solutions can be analyzed by placing them in separate cuvettes.

通过将不同颜色的溶液放置在不同的比色皿中，可以进行分析。

作文

In the field of science, particularly in chemistry and biology, the use of various tools and equipment is essential for conducting experiments and obtaining accurate results. One such tool that plays a crucial role in these fields is the cuvettes, which are small, often rectangular containers used to hold liquid samples for analysis. The significance of cuvettes cannot be overstated, as they are integral to many laboratory procedures, especially those involving spectrophotometry.Spectrophotometry is a technique that measures how much light a chemical substance absorbs by passing a beam of light through the sample and recording the intensity of light that passes through it. This method is widely used in various applications such as determining the concentration of a substance in a solution, analyzing the purity of compounds, and even in medical diagnostics. For spectrophotometry to yield reliable results, the choice of cuvettes is paramount. Cuvettes are typically made from materials like glass or plastic, and their design can vary based on the specific requirements of the experiment. Glass cuvettes are often preferred for visible light applications due to their durability and optical clarity. In contrast, plastic cuvettes may be more suitable for certain UV applications where cost-effectiveness is a priority. Regardless of the material, the dimensions and path length of the cuvettes also play a vital role in the accuracy of the measurements taken.When using cuvettes, it is important to ensure that they are clean and free from any contaminants that could interfere with the results. Even the smallest residue can lead to significant errors in the readings. Therefore, proper handling and cleaning procedures must be established to maintain the integrity of the cuvettes. Additionally, the orientation of the cuvettes in the spectrophotometer must be consistent, as this can affect the amount of light that passes through the sample.The versatility of cuvettes extends beyond just spectrophotometry. They are also used in fluorescence spectroscopy, where they help in studying the properties of fluorescent substances. In this case, the cuvettes must be designed to minimize background interference while allowing for effective excitation and emission of light. This highlights the importance of selecting the right type of cuvettes depending on the specific experimental setup and the nature of the samples being analyzed.Moreover, advancements in technology have led to the development of specialized cuvettes that cater to unique research needs. For instance, there are now cuvettes designed to be compatible with automated systems, allowing for high-throughput screening in pharmaceutical research. This innovation has greatly enhanced the efficiency and speed of experiments, enabling researchers to obtain results faster than ever before.In conclusion, the role of cuvettes in scientific research is indispensable. Their ability to hold liquid samples securely while providing accurate and reliable measurements is fundamental to the success of various analytical techniques. As science continues to evolve, the design and application of cuvettes will likely advance as well, further enhancing their utility in laboratories around the world. Understanding the importance of cuvettes is crucial for anyone involved in scientific research, as they are a key component in obtaining precise and meaningful data.

在科学领域，特别是在化学和生物学中，各种工具和设备的使用对于进行实验和获得准确结果至关重要。其中一个在这些领域中发挥关键作用的工具是比色皿，它是用于盛放液体样品以进行分析的小型容器，通常呈矩形。比色皿的重要性不容小觑，因为它们是许多实验室程序的核心，尤其是在光谱光度法中。光谱光度法是一种通过将光束穿过样品并记录通过样品的光强度来测量化学物质吸收多少光的方法。这种方法广泛应用于各种应用中，例如确定溶液中物质的浓度、分析化合物的纯度，甚至在医学诊断中。为了使光谱光度法产生可靠的结果，选择比色皿至关重要。比色皿通常由玻璃或塑料制成，其设计可以根据实验的具体要求而有所不同。由于其耐用性和光学透明度，玻璃比色皿通常更适合可见光应用。相比之下，塑料比色皿可能更适合某些紫外线应用，在这些应用中，成本效益是优先考虑的。无论材料如何，比色皿的尺寸和光程也在测量的准确性中起着至关重要的作用。在使用比色皿时，确保它们干净且没有任何可能干扰结果的污染物是非常重要的。即使是最小的残留物也可能导致读数出现重大错误。因此，必须建立适当的处理和清洁程序，以维护比色皿的完整性。此外，比色皿在光谱光度计中的方向也必须保持一致，因为这会影响通过样品的光量。比色皿的多功能性不仅限于光谱光度法。它们还用于荧光光谱法，在这种情况下，它们有助于研究荧光物质的特性。在这种情况下，比色皿必须设计成尽量减少背景干扰，同时允许有效的激发和发射光。这突显了根据具体实验设置和被分析样品的性质选择合适类型的比色皿的重要性。此外，技术的进步导致开发出专门的比色皿，以满足独特的研究需求。例如，现在有些比色皿设计为与自动化系统兼容，从而在制药研究中允许高通量筛选。这一创新大大提高了实验的效率和速度，使研究人员能够比以往更快地获得结果。总之，比色皿在科学研究中的作用是不可或缺的。它们安全地盛放液体样品，同时提供准确和可靠的测量，这对各种分析技术的成功至关重要。随着科学的不断发展，比色皿的设计和应用也可能会随之进步，进一步增强它们在全球实验室中的实用性。理解比色皿的重要性对于任何参与科学研究的人来说都是至关重要的，因为它们是获得精确和有意义数据的关键组成部分。