colloid

简明释义

英[ˈkɒlɔɪd]美[ˈkɑːlɔɪd]

adj. 胶质的，胶体的

n. 胶状体

英英释义

单词用法

同义词

反义词

例句

1.To water-soluble protein, its aqueous solution is hydrophilic colloid.

对水溶性的蛋白质来说，它的水溶液是亲水性胶体。

2.Using SERS, the Raman spectra of Hypocrellin A in the silver colloid are obtained for the first time.

应用表面增强拉曼散射方法，首次获得了竹红菌甲素在黄银胶中的拉曼光谱；

3.The results indicated that fluorine pollution strengthened the stability of soil colloid and increased the critical flocculation concentration.

结果表明，氟污染使土壤黏粒的稳定性增强，土壤胶体的临界聚沉浓度增大；

4.This machine has replaced the beforehand production colloid mill.

该机代替了以前生产的胶体磨。

5.A cluster of droplets separated out of a lyophilic colloid.

凝集作用从亲液胶体中分离出的一串微粒。

6.The paper presents a methodology to estimate the onset voltage of a micro fabricated colloid thruster.

提供了一种考虑到微制造工艺实际的对微胶体推进器的起始电压进行估计的方法。

7.The mechanism of colloid formation was analyzed .

分析胶体五氧化二锑的形成机理。

8.The inhibition by the crystalloid agents was stronger than that by the colloid agents.

晶体溶质的抑制作用大于胶体溶质。

9.The impact of colloid and surface chemistry factors on the reaction is analyzed. Suggestions on process improvements are raised.

分析胶体与表面化学因素对反应的制约，提出了有待改进的工艺环节和改进方向。

10.Sunscreen often contains colloids 胶体 to help distribute active ingredients evenly on the skin.

防晒霜通常含有胶体，以帮助活性成分均匀分布在皮肤上。

11.A gel is a type of colloid 胶体 that consists of a solid network dispersed in a liquid.

凝胶是一种由固体网络分散在液体中的胶体。

12.In the food industry, mayonnaise is an example of a stable colloid 胶体 formed by oil and water.

在食品工业中，蛋黄酱是由油和水形成的稳定胶体的一个例子。

13.When making ice cream, air is whipped into the mixture creating a foamy colloid 胶体.

制作冰淇淋时，空气被打入混合物中，形成泡沫状的胶体。

14.The milk you drink is an emulsion, which is a type of colloid 胶体 made up of fat droplets in water.

你喝的牛奶是一种乳液，它是一种由水中脂肪滴组成的胶体。

作文

In the realm of science, understanding different types of mixtures is crucial. One such mixture that often intrigues both students and researchers alike is the colloid (胶体). A colloid is a type of heterogeneous mixture where one substance is dispersed evenly throughout another. This phenomenon can be observed in everyday life, from the milk we drink to the fog we see in the morning. The properties of colloids make them unique and significant in various fields, including chemistry, biology, and medicine.To delve deeper into what a colloid is, we must first understand its components. A colloid consists of two phases: the dispersed phase and the continuous phase. The dispersed phase is made up of tiny particles that are suspended within the continuous phase. These particles are larger than those found in true solutions but smaller than those in suspensions. For instance, in a glass of milk, the fat globules represent the dispersed phase, while water serves as the continuous phase. This unique structure gives colloids their distinctive properties, such as the Tyndall effect, which is the scattering of light by the particles in the mixture.The significance of colloids extends beyond mere observation; they play crucial roles in various applications. In the food industry, colloids are essential for creating emulsions, which are mixtures of oil and water. Mayonnaise is a classic example of an emulsion where egg yolk acts as an emulsifier, helping to stabilize the colloid. Furthermore, in pharmaceuticals, colloids are used in drug delivery systems, allowing for the controlled release of medication in the body. This illustrates how understanding colloids can lead to advancements in health and nutrition.Moreover, the study of colloids also has environmental implications. For example, colloidal particles can influence the behavior of pollutants in water bodies. Understanding these interactions helps in developing better methods for water purification and remediation strategies. Therefore, the relevance of colloids spans across multiple disciplines, making them a fascinating subject of study.In conclusion, the study of colloids (胶体) is not just an academic exercise; it is a gateway to understanding complex interactions in both natural and artificial systems. From the milk we consume to the medications we take, colloids are integral to our daily lives. Their unique properties and wide-ranging applications highlight the importance of this fascinating mixture in science and technology. As we continue to explore and innovate, a deeper understanding of colloids will undoubtedly lead to new discoveries and advancements that benefit society as a whole.

在科学领域，理解不同类型的混合物至关重要。其中一种常常引起学生和研究人员兴趣的混合物是胶体。胶体是一种异质混合物，其中一种物质均匀地分散在另一种物质中。这种现象可以在日常生活中观察到，从我们喝的牛奶到早晨看到的雾。胶体的性质使其在化学、生物学和医学等多个领域中独特而重要。要深入了解胶体是什么，我们必须首先理解其组成。胶体由两个相位组成：分散相和连续相。分散相由悬浮在连续相中的微小颗粒组成。这些颗粒比真溶液中的颗粒大，但又小于悬浮液中的颗粒。例如，在一杯牛奶中，脂肪球代表分散相，而水则作为连续相。这种独特的结构赋予了胶体其独特的性质，例如丁达尔效应，即光被混合物中的颗粒散射。胶体的重要性不仅仅体现在观察上；它们在各种应用中发挥着至关重要的作用。在食品工业中，胶体对于创建乳状液至关重要，这是一种油和水的混合物。蛋黄作为乳化剂，有助于稳定胶体，是蛋黄酱的经典例子。此外，在制药行业，胶体用于药物输送系统，使药物在体内的控制释放成为可能。这表明，理解胶体可以推动健康和营养方面的进步。此外，胶体的研究还具有环境意义。例如，胶态颗粒会影响水体中污染物的行为。了解这些相互作用有助于开发更好的水净化和修复策略。因此，胶体的相关性跨越多个学科，使其成为一个引人入胜的研究主题。总之，研究胶体（胶体）不仅仅是学术上的练习；它是理解自然和人工系统中复杂相互作用的门户。从我们消费的牛奶到我们服用的药物，胶体在我们的日常生活中不可或缺。它们独特的性质和广泛的应用突显了这种迷人混合物在科学和技术中的重要性。随着我们继续探索和创新，对胶体的更深入理解无疑将带来新的发现和进步，从而造福整个社会。