diffusional

简明释义

英[dɪˈfjuːʒənl]美[dɪˈfjuːʒənl]

扩散的

英英释义

单词用法

同义词

反义词

例句

1.The transfer process of acetic acid from the hexane phase to the water phase was studied in a diffusional cell which is similar to a wetted wall column.

在类似湿壁塔的扩散槽中研究醋酸在正己烷和水之间的传递。

2.With increase of the precipitate volume fraction, the influence of the inter-particle diffusional interaction on the precipitate morphology and the composition will become stronger.

随着沉淀相体积分数的增大，沉淀颗粒间的扩散场相互作用加强，对其沉淀相组织形貌及其成分的影响也更加显著。

3.Due to the diffusional effect, the pollutant will flow not only towards the down-stream, but also in other directions, including the direction against the flow stream.

因为污染物除随河水流动方向流动以外，还会向河水流动不同方向扩散。污染物也可能由于水体的自净作用而在流动过程中逐渐消失。

4.According appraisal's goal, the paper sets up the evaluation indexes system of green-technology diffusional environment.

根据本次评价的预期目标，论文建立了绿色技术扩散环境的评价指标体系。

5.The experiments of diffusional separation were made with H_2-N_2 binary gas mixtures through microporous metal membranes. The experimental results agreed well with the calculated values.

用h_2 - n_2二元混合气体通过微孔金属膜进行了扩散分离实验，实验结果与计算值符合很好。

6.The diffusional separation processes of binary gas mixtures through microporous metal membranes were discussed in this paper.

本文讨论了二元混合气体通过微孔金属膜扩散分离的过程。

7.The diffusional deposition of particles of finite diameter on the surface of a charged droplet is estimated by employing thin concentration boundary layer theory.

采用浓度边界层理论讨论了细微粒子在荷电雾滴表面上的扩散效应。

8.In his doctoral research, he demonstrated the diffusional motions of lipids in membranes, termed flip-flop and lateral diffusion.

在他博士期间，说明了脂类在细胞膜中的扩散运动，对突变和横向扩散进行了命名。

9.The experiments of diffusional separation were made with H_2-N_2 binary gas mixtures through microporous metal membranes. The experimental results agreed well with the calculated values.

用h_2 - n_2二元混合气体通过微孔金属膜进行了扩散分离实验，实验结果与计算值符合很好。

10.The lower interphase energy in the martensitic transformation results in a lower value of internal friction peak as compared with that in diffusional transformation.

马氏体相变中相界面能量较低，导致其内耗峰值低于扩散型相变的峰值。

11.Researchers studied the diffusional 扩散的 behavior of pollutants in water bodies.

研究人员研究了污染物在水体中的diffusional 扩散的 行为。

12.The efficiency of a membrane can be assessed by its diffusional 扩散的 permeability.

膜的效率可以通过其diffusional 扩散的 渗透性来评估。

13.The diffusional 扩散的 transport of gases in the lungs is essential for respiration.

气体在肺部的diffusional 扩散的 运输对呼吸至关重要。

14.In cellular biology, nutrients enter cells through diffusional 扩散的 processes across the cell membrane.

在细胞生物学中，营养物质通过diffusional 扩散的 过程进入细胞膜。

15.The process of drug delivery often involves diffusional 扩散的 mechanisms to ensure the medication reaches the target area.

药物传递的过程通常涉及到diffusional 扩散的 机制，以确保药物到达目标区域。

作文

In the realm of science, particularly in the fields of biology and chemistry, the term diffusional (扩散的) processes play a crucial role in understanding how substances move across membranes and within various environments. To grasp the significance of diffusional mechanisms, it is essential to explore their applications and implications in both natural and artificial systems.One of the most fundamental examples of diffusional processes can be observed in cellular biology. Cells are surrounded by a semi-permeable membrane that regulates the passage of ions, nutrients, and waste products. The movement of these substances across the membrane occurs through diffusional methods. For instance, oxygen molecules diffuse from areas of high concentration in the lungs to lower concentration in the bloodstream, enabling essential metabolic processes to occur. This biological phenomenon highlights the importance of diffusional transport in sustaining life.In addition to biological systems, diffusional principles are also critical in environmental science. Consider the dispersion of pollutants in water bodies. When a toxic substance is introduced into a river, it does not remain localized; instead, it spreads throughout the water due to diffusional processes. Understanding how quickly and widely a pollutant will disperse can inform environmental policies and cleanup strategies, ultimately protecting ecosystems and human health.Moreover, the concept of diffusional processes extends to material science, particularly in the development of new materials. For example, in the creation of polymer membranes used in filtration systems, engineers must consider how different gases or liquids will behave as they pass through the membrane. The diffusional characteristics of these materials determine their effectiveness in separating substances, which is vital for applications ranging from water purification to food preservation.The study of diffusional phenomena also has implications in the field of medicine. Drug delivery systems often rely on diffusional rates to ensure that therapeutic agents reach their target sites effectively. By manipulating the diffusional properties of drug formulations, researchers can optimize the release rates of medications, enhancing their efficacy while minimizing side effects. This intersection of chemistry and medicine exemplifies how diffusional principles can lead to innovative solutions in healthcare.Furthermore, in the context of climate change, understanding diffusional processes is essential for modeling the movement of greenhouse gases in the atmosphere. As carbon dioxide and other gases diffuse, they contribute to global warming and its associated impacts. Scientists utilize diffusional models to predict changes in climate patterns, which can inform mitigation strategies and policy decisions aimed at reducing carbon footprints.In conclusion, the term diffusional (扩散的) encompasses a wide array of processes that are vital across multiple disciplines. From cellular biology to environmental science, material engineering, medicine, and climate studies, the understanding of diffusional mechanisms is integral to advancing knowledge and developing solutions to some of the most pressing challenges of our time. As research continues to evolve, so too will our comprehension of diffusional dynamics, paving the way for innovations that can improve our world.

在科学领域，特别是在生物学和化学领域，术语diffusional（扩散的）过程在理解物质如何穿过膜和在各种环境中移动方面发挥着至关重要的作用。要掌握diffusional机制的重要性，必须探索其在自然和人工系统中的应用和影响。diffusional过程的一个基本例子可以在细胞生物学中观察到。细胞被半透膜包围，该膜调节离子、营养物质和废物的通过。这些物质穿过膜的运动是通过diffusional方法进行的。例如，氧分子从肺部的高浓度区域扩散到血液中的低浓度区域，从而使必需的代谢过程得以进行。这一生物现象突显了diffusional运输在维持生命中的重要性。除了生物系统，diffusional原理在环境科学中也至关重要。考虑污染物在水体中的扩散。当有毒物质被引入河流时，它不会保持局部化；相反，由于diffusional过程，它会在水中扩散。了解污染物扩散的速度和范围可以为环境政策和清理策略提供信息，最终保护生态系统和人类健康。此外，diffusional过程的概念还延伸到材料科学，特别是在新材料的开发中。例如，在制造用于过滤系统的聚合物膜时，工程师必须考虑不同气体或液体在通过膜时的行为。这些材料的diffusional特性决定了它们在分离物质方面的有效性，这对于从水净化到食品保鲜的应用至关重要。对diffusional现象的研究在医学领域也具有重要意义。药物输送系统通常依赖于diffusional速率，以确保治疗剂有效地到达目标部位。通过操纵药物配方的diffusional特性，研究人员可以优化药物的释放速率，提高其疗效，同时减少副作用。这种化学与医学的交叉例子表明，diffusional原理可以带来创新的医疗解决方案。此外，在气候变化的背景下，理解diffusional过程对于建模温室气体在大气中的运动至关重要。随着二氧化碳和其他气体的扩散，它们对全球变暖及其相关影响作出贡献。科学家利用diffusional模型来预测气候模式的变化，这可以为减少碳足迹的缓解策略和政策决策提供信息。总之，术语diffusional（扩散的）涵盖了一系列在多个学科中至关重要的过程。从细胞生物学到环境科学、材料工程、医学和气候研究，对diffusional机制的理解是推动知识进步和开发解决当今一些最紧迫挑战的解决方案的关键。随着研究的不断发展，我们对diffusional动态的理解也将不断深化，为改善我们的世界铺平道路。