distribution of molecular weight

简明释义

分子量分布

英英释义

例句

1.Understanding the distribution of molecular weight helps in tailoring the synthesis process for better outcomes.

了解分子量分布有助于调整合成过程以获得更好的结果。

2.Researchers analyzed the distribution of molecular weight to determine the effectiveness of the drug delivery system.

研究人员分析了分子量分布以确定药物递送系统的有效性。

3.A narrow distribution of molecular weight suggests uniformity in the material's properties.

狭窄的分子量分布表明材料特性的均匀性。

4.The distribution of molecular weight in this polymer sample indicates its processing characteristics.

这个聚合物样品的分子量分布表明了其加工特性。

5.The distribution of molecular weight can significantly affect the mechanical properties of the final product.

分子量分布会显著影响最终产品的机械性能。

作文

The concept of distribution of molecular weight is fundamental in the field of chemistry, particularly in polymer science and biochemistry. Understanding this distribution helps scientists and researchers characterize materials and predict their behavior in various applications. The distribution of molecular weight refers to the range and frequency of different molecular weights present in a sample. This distribution can significantly influence the physical and chemical properties of substances, such as viscosity, tensile strength, and solubility.In polymers, for example, the distribution of molecular weight can determine how a material behaves under stress. A narrow molecular weight distribution typically results in uniform properties, making the material predictable and reliable for engineering applications. On the other hand, a broad distribution of molecular weight may lead to varied properties, which can be advantageous in certain situations, such as when flexibility or impact resistance is required.The methods used to analyze the distribution of molecular weight include techniques like gel permeation chromatography (GPC) and size exclusion chromatography (SEC). These methods allow scientists to separate molecules based on their size and provide detailed information about the molecular weight distribution of a sample. By understanding the distribution of molecular weight, researchers can tailor materials for specific applications, ensuring optimal performance and efficacy.In biochemistry, the distribution of molecular weight is crucial for understanding proteins and nucleic acids. Different proteins have varying molecular weights, and their functions are often closely related to their size and shape. For instance, enzymes, which are proteins that catalyze biochemical reactions, often have specific molecular weight ranges that determine their activity and stability. Analyzing the distribution of molecular weight of proteins can help in drug development, as it allows scientists to identify potential therapeutic targets and understand how drugs interact with biological systems.Moreover, the distribution of molecular weight is also important in the formulation of pharmaceuticals. Different molecular weights can affect how drugs are absorbed, distributed, metabolized, and excreted in the body. Therefore, understanding this distribution is essential for developing effective drug delivery systems that maximize therapeutic benefits while minimizing side effects.In conclusion, the distribution of molecular weight is a critical parameter in both polymer science and biochemistry. It impacts the properties and behaviors of materials, influencing their applications in various industries. From engineering to pharmaceuticals, a thorough understanding of the distribution of molecular weight enables researchers and developers to create optimized products that meet specific needs. As technology advances and new materials are developed, the importance of analyzing and understanding the distribution of molecular weight will only continue to grow, driving innovation and improving our quality of life.

分子量的分布是化学领域，特别是聚合物科学和生物化学中的一个基本概念。理解这种分布有助于科学家和研究人员表征材料，并预测其在各种应用中的行为。分子量的分布指的是样品中不同分子量的范围和频率。这种分布会显著影响物质的物理和化学性质，例如粘度、抗拉强度和溶解度。例如，在聚合物中，分子量的分布可以决定材料在应力下的表现。较窄的分子量分布通常导致均匀的性质，使材料在工程应用中可预测且可靠。另一方面，广泛的分子量分布可能导致性质的多样性，这在某些情况下是有利的，例如在需要灵活性或抗冲击性的情况下。用于分析分子量分布的方法包括凝胶渗透色谱（GPC）和尺寸排斥色谱（SEC）等技术。这些方法允许科学家根据分子大小分离分子，并提供有关样品的分子量分布的详细信息。通过理解分子量的分布，研究人员可以为特定应用定制材料，确保最佳性能和有效性。在生物化学中，分子量的分布对于理解蛋白质和核酸至关重要。不同的蛋白质具有不同的分子量，其功能通常与其大小和形状密切相关。例如，酶是催化生化反应的蛋白质，通常具有特定的分子量范围，这决定了它们的活性和稳定性。分析蛋白质的分子量分布可以帮助药物开发，因为这使科学家能够识别潜在的治疗靶点，并了解药物如何与生物系统相互作用。此外，分子量的分布在制药配方中也很重要。不同的分子量可以影响药物在体内的吸收、分布、代谢和排泄。因此，理解这种分布对于开发有效的药物递送系统至关重要，以最大限度地提高治疗效果，同时减少副作用。总之，分子量的分布是聚合物科学和生物化学中的一个关键参数。它影响材料的性质和行为，从而影响其在各个行业的应用。从工程到制药，彻底理解分子量的分布使研究人员和开发人员能够创建满足特定需求的优化产品。随着技术的进步和新材料的发展，分析和理解分子量分布的重要性只会继续增长，推动创新并改善我们的生活质量。