optical rotation

简明释义

旋光度

英英释义

例句

1.Researchers often use optical rotation 光学旋转 to study the properties of new pharmaceuticals.

研究人员经常使用光学旋转 optical rotation 来研究新药物的性质。

2.Scientists utilize optical rotation 光学旋转 measurements to analyze the purity of chemical samples.

科学家利用光学旋转 optical rotation 测量来分析化学样品的纯度。

3.The measurement of optical rotation 光学旋转 is crucial in determining the concentration of chiral compounds in a solution.

测量光学旋转 optical rotation 对于确定溶液中手性化合物的浓度至关重要。

4.The optical rotation 光学旋转 of a substance can be affected by temperature changes.

物质的光学旋转 optical rotation 会受到温度变化的影响。

5.In food science, optical rotation 光学旋转 can help identify the authenticity of certain sugars.

在食品科学中，光学旋转 optical rotation 可以帮助识别某些糖的真实性。

作文

Optical rotation, also known as optical activity, is a fascinating phenomenon that occurs when plane-polarized light passes through certain substances. This property is particularly significant in the field of chemistry and physics, as it provides valuable insights into the molecular structure of chiral compounds. Chiral molecules are those that cannot be superimposed on their mirror images, much like left and right hands. The ability of these molecules to rotate the plane of polarized light is what we refer to as optical rotation (光学旋转). This characteristic is not only important for understanding molecular geometry but also has practical applications in various industries, including pharmaceuticals and food science.The concept of optical rotation (光学旋转) can be understood through the interaction of polarized light with chiral molecules. When light is polarized, it oscillates in a single plane. As this light encounters a chiral substance, the orientation of its oscillation changes due to the unique arrangement of atoms in the molecule. This change in orientation results in the rotation of the light's plane, which can be quantified using a polarimeter. The degree of rotation is dependent on several factors, including the concentration of the chiral substance, the length of the light path through the medium, and the specific wavelength of the light used.One of the most common applications of optical rotation (光学旋转) is in the determination of the purity and concentration of optically active substances. For instance, in the pharmaceutical industry, the enantiomers of a drug may exhibit different biological activities. By measuring the optical rotation (光学旋转) of a sample, chemists can determine the ratio of these enantiomers and ensure that the correct formulation is produced. This is crucial for drug safety and efficacy, highlighting the importance of this phenomenon in real-world applications.Moreover, optical rotation (光学旋转) plays a vital role in the study of natural products. Many compounds derived from plants, such as sugars and amino acids, are chiral and exhibit optical rotation (光学旋转). By analyzing the optical rotation (光学旋转) of these compounds, researchers can gain insights into their structural properties and potential health benefits. This analysis is often combined with other techniques, such as nuclear magnetic resonance (NMR) spectroscopy, to provide a comprehensive understanding of the compound's characteristics.In addition to its scientific significance, optical rotation (光学旋转) has also inspired various artistic endeavors. Artists and designers have explored the interplay of light and color, creating works that mimic the effects of optical rotation (光学旋转) through the use of prisms and other optical devices. This intersection of science and art demonstrates the broader impact of optical rotation (光学旋转) beyond the laboratory, influencing creative expressions and aesthetic experiences.In conclusion, optical rotation (光学旋转) is a remarkable phenomenon that bridges the fields of chemistry, physics, and art. Its ability to reveal the chiral nature of molecules opens up a world of possibilities for research and application. As scientists continue to explore the implications of optical rotation (光学旋转), we can expect to see further advancements in our understanding of molecular interactions and their applications in various industries.