admixtures

简明释义

英[ˈæd.mɪk.tʃərz]美[ˈædˌmɪk.tʃərz]

n. [建]外加剂；混合物；摻合料（admixture 的复数）

英英释义

单词用法

同义词

反义词

例句

1.Action mechanism of admixtures for pressed silicated concrete products is dissected in this paper.

本文探讨了外加剂在压制硅酸盐混凝土中的作用机理。

2.In modern concrete technology, the mineral admixtures controlled by some indexes has become a prerequisite compose of high performance concrete.

在现代混凝土技术中，经过一定质量控制的矿物掺合料已成为高性能混凝土不可或缺的组分之一。

3.The chemical admixtures do not change the nature of C_3S hydration, but rather, shorten the duration of its induction period.

化学外加剂的存在并不改变C_3S的水化本质，但能缩短水化诱导期。

4.Prerequisites to mineral admixtures being with filling effect, morphologic effect and activity effect are discussed in this paper.

本文讨论了矿物掺合料产生填充效应、形态效应和活性效应的条件。

5.Effect of the above admixtures on strength of mortars and setting of cement paste were measured.

上述外加剂对砂浆强度和水泥凝结时间的影响也是本研究的部分内容。

6.In this article the effect is discussed that several mineral admixtures have on the fracture brittleness of the high strength concrete.

研究了几种矿物掺合料对高强混凝土断裂脆性的影响。

7.This paper studies the influence of different admixtures on the properties of the surface of the ceramic glaze.

研究了不同外加剂对陶瓷釉面表面性质的影响。

8.Particularly suitable for as maternal to compound the various types of concrete admixtures.

特别适合于作为母体用以复合各种类型的混凝土外加剂。

9.The new compound energy saving wall material was made of straw, fly ash, cement as main raw, and some admixtures.

新型复合节能墙体材料是以秸秆、粉煤灰、水泥为主要材料，配以各种外加剂而制成。

10.The construction of the building required various concrete admixtures to enhance its strength.

这座建筑的施工需要各种混凝土掺合料来增强其强度。

11.The chef added special admixtures to the sauce for a unique flavor.

厨师在酱汁中加入了特殊的混合物以增添独特的风味。

12.Environmental scientists study soil admixtures to understand pollution levels.

环境科学家研究土壤的掺合物以了解污染水平。

13.In pharmaceuticals, admixtures are often used to ensure the proper dosage of medication.

在制药行业，混合物常用于确保药物的正确剂量。

14.The artist used different paint admixtures to create a textured effect on the canvas.

艺术家使用不同的颜料混合物在画布上创造出纹理效果。

作文

In the world of materials science and engineering, the term admixtures refers to substances that are added to a material to enhance its properties or performance. These admixtures can be found in various applications, especially in the construction industry, where they play a crucial role in modifying the characteristics of concrete. The use of admixtures allows engineers and builders to achieve specific goals, such as improving workability, increasing strength, and enhancing durability. One of the most common types of admixtures is the water-reducing agent. This type of admixture lowers the amount of water needed for mixing concrete while maintaining its workability. By reducing water content, the resulting concrete can have a higher compressive strength, which is essential for structures that need to withstand heavy loads. Additionally, using water-reducing admixtures can help in achieving a denser and more durable concrete mix, ultimately extending the lifespan of the structure.Another important category of admixtures is the retarding agent. These admixtures slow down the setting time of concrete, allowing for longer working periods before the mixture hardens. This is particularly beneficial in hot weather conditions when concrete tends to set quickly. By incorporating retarding admixtures, workers can ensure that they have sufficient time to place and finish the concrete properly, which reduces the risk of defects and improves the overall quality of the work.On the other hand, there are also accelerating admixtures, which are used to speed up the curing process of concrete. These admixtures are particularly useful in cold weather, where low temperatures can significantly delay the setting time. By adding accelerating admixtures, contractors can ensure that the concrete sets and gains strength more quickly, allowing for faster project completion and reduced downtime.In addition to these functional benefits, admixtures can also contribute to the aesthetic appeal of concrete. For instance, coloring admixtures can be added to create decorative concrete surfaces that enhance the visual appeal of buildings and pavements. These colored admixtures provide a wide range of options for architects and designers, enabling them to create unique and visually striking structures.Moreover, the environmental impact of concrete production has led to the development of sustainable admixtures. These eco-friendly additives can replace a portion of cement with recycled materials, reducing the carbon footprint associated with concrete production. By using sustainable admixtures, the construction industry can contribute to more environmentally responsible practices while still delivering high-quality results.In conclusion, admixtures are vital components in modern concrete technology, offering a variety of benefits that enhance the performance, durability, and aesthetics of concrete. Their ability to modify the properties of concrete makes them indispensable in the construction industry. As research and development continue to advance, it is likely that new and innovative admixtures will emerge, further improving the capabilities of concrete and contributing to sustainable building practices. Understanding the role of admixtures in concrete not only helps professionals in the field but also promotes awareness of the importance of material science in our everyday lives.

在材料科学和工程领域，术语admixtures指的是添加到材料中的物质，以增强其性能或表现。这些admixtures可以在各种应用中找到，尤其是在建筑行业，它们在修改混凝土特性方面发挥着至关重要的作用。使用admixtures使工程师和建筑工人能够实现特定目标，例如改善可加工性、增加强度和提高耐久性。最常见的admixtures类型之一是减水剂。这种类型的admixtures降低了混合混凝土所需的水量，同时保持其可加工性。通过减少水分含量，最终的混凝土可以具有更高的抗压强度，这对需要承受重负荷的结构至关重要。此外，使用减水admixtures还可以帮助获得更密实和耐用的混凝土混合物，从而最终延长结构的使用寿命。另一个重要的admixtures类别是延缓剂。这些admixtures减缓混凝土的凝固时间，允许在混合物硬化之前有更长的工作时间。这在炎热的天气条件下尤为有利，因为混凝土往往会快速凝固。通过加入延缓admixtures，工人可以确保他们有足够的时间来适当地放置和完成混凝土，从而减少缺陷的风险，提高整体工作质量。另一方面，还有加速admixtures，用于加快混凝土的固化过程。这些admixtures在寒冷天气中尤其有用，因为低温会显著延迟凝固时间。通过添加加速admixtures，承包商可以确保混凝土更快地凝固并获得强度，从而加快项目完成速度，减少停工时间。除了这些功能性好处外，admixtures还可以增强混凝土的美观。例如，可以添加着色admixtures以创建装饰性混凝土表面，增强建筑物和人行道的视觉吸引力。这些着色admixtures为建筑师和设计师提供了广泛的选择，使他们能够创造独特且视觉上引人注目的结构。此外，混凝土生产的环境影响促使可持续admixtures的发展。这些环保添加剂可以用回收材料替代一部分水泥，从而减少与混凝土生产相关的碳足迹。通过使用可持续admixtures，建筑行业可以在提供高质量成果的同时，促进更具环境责任感的实践。总之，admixtures是现代混凝土技术的重要组成部分，提供了多种增强混凝土性能、耐久性和美观性的好处。它们修改混凝土性质的能力使其在建筑行业中不可或缺。随着研究和开发的不断进步，新的创新admixtures可能会出现，进一步提高混凝土的能力，并促进可持续建筑实践。了解admixtures在混凝土中的作用不仅有助于该领域的专业人士，也促进了对材料科学在我们日常生活中重要性的认识。