osmometry

简明释义

英[ˌɑzmˈɑːmətri]美[ˌɑzmˈɑːmətri]

[化学] 渗透压力测定法

英英释义

单词用法

同义词

反义词

例句

1.The molecular weight of Urea Modified Sulfonated Phenol Formadehyde Resin (SPU) was determined in its aqueous solution by dynamic membrane osmometry.

用动态渗透压法，在适量含盐的水溶液中测量聚电解质——尿素改性磺化酚醛(SPU)的分子量。

2.The molecular weight of Urea Modified Sulfonated Phenol Formadehyde Resin (SPU) was determined in its aqueous solution by dynamic membrane osmometry.

用动态渗透压法，在适量含盐的水溶液中测量聚电解质——尿素改性磺化酚醛(SPU)的分子量。

3.Researchers use osmometry to study the properties of various solvents.

研究人员使用渗透计量法来研究各种溶剂的性质。

4.The pharmaceutical company relied on osmometry to ensure the quality of its drug formulations.

制药公司依赖渗透计量法确保其药物配方的质量。

5.The lab technician performed osmometry to determine the concentration of solutes in the solution.

实验室技术员进行了渗透计量法以确定溶液中溶质的浓度。

6.In clinical settings, osmometry is crucial for evaluating kidney function.

在临床环境中，渗透计量法对于评估肾功能至关重要。

7.The results from the osmometry tests helped diagnose the patient's dehydration level.

来自渗透计量法测试的结果帮助诊断了患者的脱水程度。

作文

Osmometry is a scientific technique used to measure the osmotic pressure of a solution. This method is particularly important in various fields, including biology, chemistry, and medicine. Understanding the concept of osmometry (渗透压测定法) is essential for researchers and professionals who deal with solutions and their properties. The osmotic pressure is the pressure required to prevent the flow of solvent into a solution through a semipermeable membrane. This phenomenon occurs because of the differences in solute concentration between two solutions separated by such a membrane.In biological systems, the principles of osmometry (渗透压测定法) are crucial for understanding how cells interact with their environment. For instance, when a cell is placed in a hypertonic solution, water will move out of the cell, causing it to shrink. Conversely, if the cell is placed in a hypotonic solution, water will enter the cell, leading to swelling and potentially bursting. These processes are vital for maintaining homeostasis within living organisms.The measurement of osmotic pressure can be performed using various methods, such as freezing point depression, vapor pressure lowering, and membrane osmometers. Each technique has its advantages and limitations, depending on the specific requirements of the experiment. For example, freezing point depression is a commonly used method in clinical laboratories to determine the osmolarity of body fluids. By measuring the decrease in freezing point, one can calculate the osmotic concentration of the solution, which is critical for diagnosing conditions such as dehydration or kidney dysfunction.In addition to its applications in biology and medicine, osmometry (渗透压测定法) is also important in the field of chemistry. It allows chemists to understand the behavior of solutes in various solvents, which is essential for developing new materials and chemical processes. For instance, in the pharmaceutical industry, knowing the osmotic properties of drug formulations can help in designing effective delivery systems that ensure proper absorption and distribution of medications in the body.Furthermore, osmometry (渗透压测定法) plays a significant role in environmental science. It helps scientists study the effects of pollutants on aquatic ecosystems by measuring the osmotic stress experienced by marine organisms. Understanding how these organisms respond to changes in salinity and other factors can inform conservation efforts and environmental policies.In conclusion, osmometry (渗透压测定法) is a valuable tool in various scientific disciplines. Its ability to measure osmotic pressure provides critical insights into the behavior of solutions, which has far-reaching implications for biology, medicine, chemistry, and environmental science. As research continues to advance, the importance of osmometry (渗透压测定法) will only grow, highlighting the need for ongoing education and understanding of this fundamental concept.