colloids

简明释义

英[ˈkɒlɔɪdz]美[ˈkɑːlɔɪdz]

n. [组织][物化]胶体，[物化]胶质（colloid 的复数形式）；胶质物

英英释义

单词用法

同义词

反义词

例句

1.The structures and properties of colloids and coatings were characterized by XRD, SEM, EDS, TG-DSC, VIDAS imagine analyzer, 71model micro-hardness, granularity analyzed etc.

采用XRD、SEM、EDS、TG - DSC、VIDAS图像分析仪、71型显微硬度计以及粒度分析仪等测试手段对胶体和涂层的结构和性能进行表征。

2.Four different categories of metallic complex colloids were prepared by chemical reduction, and studied on their absorption spectrum, formation mechanism and SERS-activity.

本文研究了四种金包裹银的复合胶体的制备，并对其吸收光谱、形成机制以及表面增强拉曼光谱（SERS）活性进行了讨论。

3.In chapter one we briefly introduce the soft matter, including the properties of the colloids, the progress, theories, some results of experiments and simulations on charged colloidal particles.

第一章简要介绍了软物质的基本情况，胶体的性质，带电胶体的基本研究情况、部分理论、实验和模拟结果以及本文的研究方法。

4.Colloids are easily put in suspension but settle out of suspension slower than clay-sized material.

胶体微粒可很容易地放入悬浮体中，但从悬浮体中沉降的速度慢于粘土颗粒大小的物质。

5.Ro unit is the actuator of the whole desalting system, whose role is to remove soluble salts, colloids, organic compounds, and microorganisms in the water.

反渗透是整个脱盐系统的执行机构，其作用是脱除水中的可溶性盐份、胶体、有机物及微生物。

6.Similarly there were no differences between the groups for duration of anesthesia, intraoperative colloids or crystalloids, intraoperative blood loss, or intraoperative urine output.

两组间在术中麻醉持续时间、术中晶胶体输入量、术中失血量和术中尿排除量方面都没有明显差异。

7.An apparatus and method for determining the concentration of macromolecules and colloids in a liquid sample is disclosed.

一种器具及确定大分子和胶体在液体样品浓度的方法公布。

8.The stability of colloids (胶体) can be affected by temperature changes.

温度变化会影响胶体的稳定性。

9.Many paints are made from colloids (胶体) to ensure even distribution of color.

许多油漆是由胶体制成的，以确保颜色的均匀分布。

10.In the lab, we studied various types of colloids (胶体) to understand their properties.

在实验室里，我们研究了各种类型的胶体以了解它们的特性。

11.In medicine, colloids (胶体) are used for intravenous fluids.

在医学中，胶体被用于静脉注射液。

12.Milk is an example of an emulsion, which is a type of colloids (胶体).

牛奶是乳液的一个例子，这是一种胶体。

作文

Colloids are fascinating substances that play a significant role in various fields, including chemistry, biology, and materials science. A colloid (胶体) is a mixture in which one substance of microscopically dispersed insoluble or soluble particles is suspended throughout another substance. The particles in a colloid (胶体) are typically larger than molecules but smaller than those in suspensions, usually ranging from 1 nanometer to 1 micrometer in diameter. This unique size range gives colloids (胶体) their distinct properties, which differ from those of true solutions and suspensions.One of the most common examples of colloids (胶体) in everyday life is milk. In this case, fat globules are dispersed throughout water, creating a stable mixture that does not separate over time. The presence of emulsifiers, such as proteins, helps to stabilize the colloid (胶体) and prevent the fat from clumping together. This phenomenon is essential not only for the food industry but also for our understanding of how various substances interact on a microscopic level.In medicine, colloids (胶体) have practical applications, particularly in intravenous fluids. Colloidal solutions can help maintain blood volume and pressure during medical treatments. For instance, hydroxyethyl starch and gelatin are two types of colloidal solutions used in clinical settings to treat patients suffering from severe blood loss or dehydration. These colloids (胶体) work by drawing water into the bloodstream and promoting better circulation, ultimately aiding recovery.The study of colloids (胶体) has also led to advancements in nanotechnology. Scientists are exploring the use of colloidal nanoparticles in drug delivery systems. By encapsulating drugs within colloids (胶体), researchers can enhance the solubility and stability of the medications, allowing for more effective treatment options. This innovative approach holds great promise for treating various diseases, including cancer and autoimmune disorders.Moreover, colloids (胶体) are essential in environmental science. They play a crucial role in soil chemistry, influencing nutrient availability and pollutant transport. Soil colloids (胶体) can retain water and nutrients, making them vital for plant growth. Understanding the behavior of these colloids (胶体) helps scientists develop better agricultural practices and improve soil health.In conclusion, colloids (胶体) are more than just scientific curiosities; they are integral to many aspects of our daily lives and the natural world. Their unique properties enable a wide range of applications, from food products to medical treatments and environmental management. As research continues to uncover the complexities of colloids (胶体), we can expect to see even more innovative uses that will benefit society in numerous ways. By understanding the fundamental principles behind colloids (胶体), we can appreciate their significance and explore new possibilities for their application in various fields.

胶体是令人着迷的物质，在化学、生物学和材料科学等多个领域发挥着重要作用。胶体（colloid）是一种混合物，其中一种微观分散的不溶或可溶颗粒悬浮在另一种物质中。胶体（colloid）中的颗粒通常比分子大，但又小于悬浮液中的颗粒，通常直径范围从1纳米到1微米。这种独特的尺寸范围赋予了胶体（colloid）其独特的性质，这些性质与真正的溶液和悬浮液有所不同。日常生活中最常见的胶体（colloid）例子之一是牛奶。在这种情况下，脂肪小球分散在水中，形成一种稳定的混合物，不会随着时间的推移而分离。乳化剂（如蛋白质）的存在有助于稳定胶体（colloid），防止脂肪聚集在一起。这一现象不仅对食品工业至关重要，而且对于我们理解各种物质在微观层面上的相互作用也至关重要。在医学中，胶体（colloid）具有实际应用，特别是在静脉输液中。胶体溶液可以帮助维持血容量和血压。在临床环境中，羟乙基淀粉和明胶是两种用于治疗严重失血或脱水患者的胶体溶液。这些胶体（colloid）通过将水吸引到血液中并促进更好的循环，最终帮助恢复。胶体（colloid）的研究还推动了纳米技术的发展。科学家们正在探索在药物递送系统中使用胶体纳米颗粒。通过将药物封装在胶体（colloid）中，研究人员可以增强药物的溶解性和稳定性，从而提供更有效的治疗选择。这种创新的方法对治疗各种疾病，包括癌症和自身免疫性疾病，具有巨大的潜力。此外，胶体（colloid）在环境科学中至关重要。它们在土壤化学中发挥着关键作用，影响养分的可用性和污染物的运输。土壤胶体（colloid）可以保留水分和养分，使其对植物生长至关重要。理解这些胶体（colloid）的行为有助于科学家制定更好的农业实践，改善土壤健康。总之，胶体（colloid）不仅仅是科学好奇心；它们与我们日常生活和自然界的许多方面密切相关。它们独特的性质使得它们在食品、医疗和环境管理等多个领域具有广泛的应用。随着研究继续揭示胶体（colloid）的复杂性，我们可以期待看到更多创新的用途，将在多个方面惠及社会。通过理解胶体（colloid）背后的基本原理，我们可以欣赏它们的重要性，并探索它们在各个领域应用的新可能性。