osmometer

简明释义

英[ɒzˈmɒmɪtə(r)]美[ɑːzˈmɑːmətər;ɑːsˈmɑːmətər;ɑː

n. [仪] 渗压计

英英释义

单词用法

同义词

反义词

例句

1.Objective: To determine osmotic pressure of human albumin with freezing point osmometer.

目的：利用冰点降低法考察国内外人血白蛋白产品的渗透压现状。

2.Objective: To determine osmotic pressure of human albumin with freezing point osmometer.

目的：利用冰点降低法考察国内外人血白蛋白产品的渗透压现状。

3.The laboratory used an osmometer to measure the osmotic pressure of the solution.

实验室使用渗透计来测量溶液的渗透压。

4.To determine the concentration of the solute, we relied on the readings from the osmometer.

为了确定溶质的浓度，我们依赖于渗透计的读数。

5.An osmometer is essential in studying cellular osmosis in biology.

在生物学中，渗透计对于研究细胞渗透非常重要。

6.The osmometer indicated a high osmotic potential in the sample.

渗透计显示样品中的渗透势很高。

7.Researchers calibrated the osmometer before conducting their experiments.

研究人员在进行实验之前对渗透计进行了校准。

作文

An osmometer is an essential device used in various scientific fields to measure the osmotic pressure of solutions. Osmosis, the process by which solvent molecules move through a semipermeable membrane from a less concentrated solution to a more concentrated one, plays a critical role in biological systems, chemistry, and environmental science. Understanding how to measure osmotic pressure is crucial for researchers and professionals who work with solutions in laboratories or industrial settings. The basic principle behind an osmometer is relatively simple. It typically consists of a chamber divided by a semipermeable membrane that allows only certain molecules, usually solvents like water, to pass through. When a solution is placed on one side of the membrane, the solvent will move toward the area with higher solute concentration, creating osmotic pressure. This pressure can be quantified using the osmometer, providing valuable data about the solution's properties. In biological contexts, osmometers are often used to study cell behavior. For example, when cells are placed in a hypertonic solution (a solution with a higher concentration of solutes than the cell's interior), water will leave the cell, causing it to shrink. Conversely, in a hypotonic solution (lower solute concentration), water enters the cell, potentially leading to cell lysis. By measuring the osmotic pressure using an osmometer, scientists can better understand these processes and their implications for cell health and function. In the field of chemistry, osmometers serve a similar purpose. They help chemists determine the molecular weight of solutes by observing the osmotic pressure they exert in a solution. This information is vital for synthesizing new compounds and understanding their behavior in different environments. Additionally, osmometers can be used in environmental science to study the effects of pollutants on aquatic ecosystems. By measuring the osmotic balance in water bodies, researchers can assess the health of these environments and the organisms that inhabit them. There are various types of osmometers available, each designed for specific applications. The most common types include vapor pressure osmometers, membrane osmometers, and freezing point osmometers. Each type operates on different principles but ultimately serves the same purpose: to measure osmotic pressure accurately. In conclusion, an osmometer is a vital tool in many scientific disciplines, providing crucial insights into the behavior of solutions and the processes of osmosis. Whether in a laboratory setting or an industrial application, understanding how to use an osmometer effectively can lead to significant advancements in research and technology. As we continue to explore the complexities of life at the molecular level, the importance of devices like the osmometer cannot be overstated. They not only enhance our knowledge but also contribute to the development of solutions for real-world challenges, from healthcare to environmental conservation.

一个渗透计是一个在各种科学领域中用于测量溶液渗透压的重要设备。渗透作用是指溶剂分子通过半透膜从浓度较低的溶液移动到浓度较高的溶液的过程，它在生物系统、化学和环境科学中起着关键作用。理解如何测量渗透压对于在实验室或工业环境中处理溶液的研究人员和专业人员至关重要。 渗透计的基本原理相对简单。它通常由一个被半透膜分隔的腔室组成，该膜仅允许某些分子（通常是水等溶剂）通过。当将溶液放置在膜的一侧时，溶剂将向溶质浓度较高的区域移动，从而产生渗透压。使用渗透计可以量化这种压力，为溶液的性质提供有价值的数据。 在生物学背景下，渗透计常用于研究细胞行为。例如，当细胞被放置在高渗溶液中（溶质浓度高于细胞内部的溶液）时，水会离开细胞，导致其收缩。相反，在低渗溶液中（水分子浓度较低的溶液），水会进入细胞，可能导致细胞破裂。通过使用渗透计测量渗透压，科学家们可以更好地理解这些过程及其对细胞健康和功能的影响。 在化学领域，渗透计也具有类似的用途。它们帮助化学家通过观察溶液中溶质施加的渗透压来确定其分子量。这些信息对于合成新化合物和理解其在不同环境中的行为至关重要。此外，渗透计还可用于环境科学，以研究污染物对水生生态系统的影响。通过测量水体的渗透平衡，研究人员可以评估这些环境及其栖息生物的健康状况。 目前有多种类型的渗透计可供选择，每种类型都旨在特定应用。最常见的类型包括蒸汽压渗透计、膜渗透计和冰点渗透计。每种类型的工作原理不同，但最终都服务于同一目的：准确测量渗透压。 总之，渗透计是许多科学学科中一个至关重要的工具，提供了对溶液行为和渗透过程的重要见解。无论是在实验室环境还是工业应用中，有效使用渗透计的能力都可以推动研究和技术的重大进展。随着我们继续探索分子层面生命的复杂性，像渗透计这样的设备的重要性不容小觑。它们不仅增强了我们的知识，还有助于开发应对现实世界挑战的解决方案，从医疗保健到环境保护。