efflux

简明释义

英[ˈeflʌks]美[ˈeflʌks]

n. 流出；消逝；流出物；结束

英英释义

单词用法

同义词

反义词

例句

1.Active efflux mechanism exist not only in FQNS resistant strains, but also in FQNS susceptible strains.

主动外排机制不仅存在于FQNS耐药菌株，而且也存在于FQNS敏感菌株。

2.Contracture occurs when the efflux of calcium is prevented by removing the extracellular sodium.

如果除去细胞外液的钠而阻止钙外流，就会出现肌肉挛缩了。

3.There are many reports about researching sterol extraction method by material of deodorizing effluence efflux, but source raw material is limited.

以脱臭馏出物为材料，研究甾醇提取方法的报道较多，但原材料来源有限。

4.The principle of using high pressure water efflux to remove the scales is summarized.

简述了高压水射流除垢的原理。

5.The resistance to quinolones in clinical isolates of Pseudomonas aeruginosa is due to the mutations of two types of topoisomerase plus efflux pump.

结论铜绿假单胞菌的耐药性日趋严重，两类拓扑异构酶基因突变和泵出机制形成了铜绿假单胞菌对喹诺铜类药物耐药的主要机制。

6.Owing to the high proportion of unburnt oxygen in this efflux, afterburners are often provided in the jet-pipe.

由于这种喷气流中含有大量未燃烧的氧气，在喷管中往往安装加力燃烧室。

7.One might anticipate that calcium efflux, like that of sodium, is mediated by an ATP-dependent pump.

人们可以推测，钙的外流象钠一样是由atp—依赖的泵来完成。

8.The efflux of time is crucial in determining the outcome of the experiment.

时间的流出在决定实验结果中至关重要。

9.As the efflux of water increased, the river began to overflow.

随着水的流出增加，河流开始溢出。

10.The efflux of air from the balloon was rapid, causing it to deflate quickly.

气球中的空气流出迅速，导致它快速瘪掉。

11.In the study of fluid dynamics, understanding the efflux of liquids is essential.

在流体动力学研究中，理解液体的流出是必不可少的。

12.The efflux of nutrients from the soil is a concern for farmers.

土壤中养分的流出是农民们担忧的问题。

作文

In the realm of science, particularly in chemistry and biology, the term efflux refers to the process of flowing out or the discharge of substances from a cell or an organism. This phenomenon is crucial for maintaining homeostasis within living systems. For instance, cells often need to expel waste products and toxins, which is where efflux plays a vital role. By understanding how efflux functions, we can gain insights into various biological processes and develop better treatments for diseases. One of the most notable examples of efflux in action is in the context of antibiotic resistance. Certain bacteria have developed mechanisms that allow them to pump out antibiotics through specific efflux pumps. These pumps are proteins embedded in the bacterial cell membrane that actively transport antibiotics out of the cell, thereby reducing their effectiveness. Understanding the mechanics behind this efflux process is essential for developing new strategies to combat antibiotic-resistant infections. Moreover, efflux is not limited to bacteria; it also occurs in human cells. For example, the liver plays a significant role in detoxifying harmful substances, and part of this process involves the efflux of bile acids and other metabolites. If the efflux mechanism is impaired, it can lead to a buildup of toxic substances in the body, resulting in liver damage and other health issues. The study of efflux mechanisms extends beyond medicine and into environmental science as well. In ecosystems, the efflux of nutrients from one compartment to another can affect the overall health of the environment. For instance, the efflux of nitrogen from soil into water bodies can lead to nutrient pollution, causing algal blooms that deplete oxygen levels and harm aquatic life. Thus, understanding the dynamics of efflux is crucial for environmental management and conservation efforts. In conclusion, the concept of efflux is multifaceted and significant across various fields of study. Whether we are examining the resistance mechanisms of bacteria, the detoxification processes in human physiology, or the nutrient cycles in ecosystems, efflux remains a fundamental process that cannot be overlooked. As we continue to explore the intricacies of life and the environment, the importance of understanding efflux will undoubtedly grow, paving the way for innovations in health, medicine, and environmental science.

在科学领域，特别是化学和生物学中，术语efflux指的是流出或物质从细胞或生物体排出的过程。这一现象对于维持生命系统内的稳态至关重要。例如，细胞通常需要排除废物和毒素，这就是efflux发挥重要作用的地方。通过理解efflux的功能，我们可以深入了解各种生物过程，并为疾病开发更好的治疗方法。 一个显著的efflux实例是在抗生素耐药性方面。某些细菌已经发展出允许它们通过特定的efflux泵将抗生素泵出细胞的机制。这些泵是嵌入细菌细胞膜中的蛋白质，主动将抗生素运输出细胞，从而降低其有效性。理解这一efflux过程的机制对于开发新的对抗抗生素耐药性感染的策略至关重要。 此外，efflux不仅限于细菌；它也发生在人体细胞中。例如，肝脏在解毒有害物质方面发挥着重要作用，而这一过程的一部分涉及胆汁酸和其他代谢物的efflux。如果efflux机制受到损害，可能会导致体内有毒物质的积聚，从而导致肝损伤和其他健康问题。 efflux机制的研究不仅限于医学，还扩展到环境科学。在生态系统中，营养物质从一个部分的efflux到另一个部分可以影响环境的整体健康。例如，氮从土壤流入水体的efflux可能导致营养污染，造成藻类繁殖，耗尽氧气并危害水生生物。因此，理解efflux的动态对于环境管理和保护工作至关重要。 总之，efflux的概念在各个研究领域都是多方面且重要的。无论我们是在研究细菌的耐药机制、人体生理中的解毒过程，还是生态系统中的营养循环，efflux始终是一个不可忽视的基本过程。随着我们继续探索生命和环境的复杂性，理解efflux的重要性无疑会加大，为健康、医学和环境科学的创新铺平道路。