dispersants

简明释义

英[dɪsˈpɜːsənts]美[dɪsˈpɜr sənts]

n. [助剂]分散剂（dispersant 的复数）

英英释义

单词用法

同义词

反义词

例句

1.The tests that the viscosity of kaolin slurry influenced by dispersants solely are carried at the concentration of 63% and 68% respectively.

分别在固含量为63％和68％时，进行了各种分散剂对两种高岭土试验原料的粘度影响试验。

2.Solubility and stability of zinc salt in common polymer dispersants are studied.

研究了锌盐在常用工业聚合物分散剂中的溶解性及稳定性。

3.The consumption of Hydroxyapatite (HAP) dispersants for suspension polymerization is the greatest in the world among inorganic dispersants.

羟基磷灰石(HAP)悬浮聚合分散剂是世界上使用量最大的一种无机分散剂。

4.The dispersivity of carbon fibers was closely related to the category and mass fraction of dispersants.

短碳纤维的分散性与分散剂的种类和质量分数有关。

5.Chemical dispersants are being used and 7,000 meters of boom have been deployed to try and contain the spill.

目前正在喷洒化学分散剂，并部署了7,000米的栅栏来控制浮油。

6.Finally, reaction mechanism and constitutional characteristics of dispersants are discussed.

讨论了作用机理和结构上的特点。

7.No one yet knows how oil and dispersants will affect reproduction.

没有人知道浮油和清洁剂对它们的繁殖有多大影响。

8.Dispersants cut the oil as washing-up liquid cuts the grease on dishes, allowing oil on the surface to spread down into the water.

分散剂清除浮油的原理就如同洗涤液除去器皿上的油腻物一般，使海面的浮油沉入水中。

9.Before applying dispersants, it's crucial to assess the potential impact on marine life.

在应用分散剂之前，评估其对海洋生物的潜在影响至关重要。

10.Environmental agencies often monitor the effectiveness of dispersants in marine environments.

环境机构通常监测分散剂在海洋环境中的有效性。

11.Some dispersants are designed to be more environmentally friendly than others.

一些分散剂被设计得比其他产品更环保。

12.The oil spill response team used dispersants to break down the oil into smaller droplets.

石油泄漏应急小组使用分散剂将石油分解成更小的水滴。

13.The use of dispersants can greatly reduce the visible effects of an oil spill.

使用分散剂可以大大减少石油泄漏的可见影响。

作文

In recent years, environmental concerns have led to increased scrutiny over the use of chemicals in various industries. One such chemical that has gained attention is dispersants, which are substances used to break up and disperse oil spills in marine environments. The effectiveness and environmental impact of dispersants have been subjects of extensive research and debate among scientists, policymakers, and environmentalists.Oil spills can have devastating effects on marine life, ecosystems, and coastal communities. When oil is released into the ocean, it can create a thick layer on the surface, suffocating aquatic organisms and disrupting the natural balance of the ecosystem. To mitigate these impacts, responders often turn to dispersants. These chemical agents help to break down the oil into smaller droplets, allowing it to mix more readily with water and promoting microbial degradation.The primary function of dispersants is to reduce the viscosity of the oil, making it easier for natural processes to take over. By increasing the surface area of the oil, dispersants facilitate the action of microorganisms that feed on the hydrocarbons, thereby accelerating the natural biodegradation process. This can be particularly important in cases where the oil is thick and sticky, as it allows for a more efficient cleanup operation.However, the use of dispersants is not without controversy. Critics argue that while they may help to reduce the immediate visual impact of an oil spill, they can also pose risks to marine life. Some studies have shown that certain dispersants can be toxic to fish and other aquatic organisms, especially when combined with the oil itself. This raises important questions about the long-term ecological consequences of using these chemicals in response to oil spills.Furthermore, the effectiveness of dispersants can vary depending on several factors, including the type of oil, the temperature of the water, and the specific environmental conditions at the time of the spill. In some cases, dispersants may not work as intended, leading to a situation where the oil remains concentrated in certain areas, potentially causing more harm than good.In light of these concerns, researchers are continually exploring alternative methods for oil spill response. Bioremediation, for instance, involves the use of microorganisms to naturally degrade pollutants and has shown promise as a less harmful approach compared to traditional dispersants. Additionally, advancements in technology are enabling the development of more environmentally friendly dispersants that minimize toxicity while maintaining effectiveness.Ultimately, the decision to use dispersants in oil spill response must be made on a case-by-case basis, taking into consideration the specific circumstances of each incident. It is crucial for responders to weigh the benefits of rapid oil dispersion against the potential risks to marine life and ecosystems. As our understanding of the impacts of dispersants continues to evolve, so too must our strategies for protecting our oceans from the threats posed by oil spills. Through careful research and responsible decision-making, we can strive to find a balance between effective cleanup efforts and the preservation of our precious marine environments.

近年来，环境问题引起了对各行业化学品使用的日益关注。其中一种备受关注的化学品是分散剂，它是一种用于在海洋环境中分解和分散石油泄漏的物质。分散剂的有效性和环境影响已成为科学家、政策制定者和环保人士广泛研究和辩论的主题。石油泄漏对海洋生物、生态系统和沿海社区可能造成毁灭性影响。当石油释放到海洋中时，它可能在表面形成厚厚的一层，窒息水生生物并破坏生态系统的自然平衡。为了减轻这些影响，响应者通常会求助于分散剂。这些化学剂有助于将石油分解成更小的液滴，使其更容易与水混合并促进微生物降解。分散剂的主要功能是降低石油的粘度，使自然过程更容易进行。通过增加石油的表面积，分散剂促进了以碳氢化合物为食的微生物的作用，从而加速了自然生物降解过程。这在石油稠厚且粘稠的情况下尤为重要，因为它使清理工作更高效。然而，使用分散剂并非没有争议。批评者认为，尽管它们可能有助于减少石油泄漏的即时视觉影响，但它们也可能对海洋生物构成风险。一些研究表明，某些分散剂对鱼类和其他水生生物可能具有毒性，尤其是在与石油结合时。这引发了关于在应对石油泄漏时使用这些化学品的长期生态后果的重要问题。此外，分散剂的有效性可能因多种因素而异，包括石油类型、水温以及泄漏发生时的具体环境条件。在某些情况下，分散剂可能无法按预期工作，导致石油在某些区域保持浓缩，从而可能造成更多的伤害而不是好处。鉴于这些担忧，研究人员不断探索替代性的石油泄漏应对方法。例如，生物修复涉及利用微生物自然降解污染物，并显示出相较于传统分散剂更少的危害。此外，技术的进步使得开发更环保的分散剂成为可能，这些分散剂在保持有效性的同时最大程度地减少毒性。最终，在石油泄漏应对中使用分散剂的决定必须根据具体情况逐案作出，考虑每个事件的具体情况。响应者必须权衡快速石油分散的好处与对海洋生物和生态系统潜在风险之间的关系。随着我们对分散剂影响的理解不断发展，我们的保护海洋免受石油泄漏威胁的策略也必须随之演变。通过仔细的研究和负责任的决策，我们可以努力在有效的清理工作和保护我们珍贵的海洋环境之间找到平衡。