calcining

简明释义

英[ˈkælsaɪnɪŋ]美[kælˈsaɪnɪŋ]

v. 使氧化，煅烧（calcine 的现在分词）

英英释义

单词用法

同义词

反义词

例句

1.A method of preparing nanosized ZnO through microwave calcining of basic Zinc carbonate, which is prepared by immediate precipitation, is introduced.

报道了用直接沉淀法制备碱式碳酸锌，然后用微波焙烧制备纳米氧化锌的方法。

2.The effects of calcining temperature on structural variations of the phosphors were investigated.

通过测定样品的激发光谱和发射光谱，研究了焙烧温度对荧光粉结构的影响。

3.Based on theory and practice, a number of problems in the process of calcining clinker in vertical cement kiln was analysed.

根据理论和实践总结分析了立窑煅烧水泥熟料工艺过程中存在的问题。

4.It is shown that the combined burner could meet the demand of cement calcining.

试验结果表明，组合式烧嘴能满足锻烧水泥工艺生产的要求。

5.Furthermore, the electrocatalysis activities of powder properly prepared by microwave calcining are much higher than that by high temperature calcine.

并且，通过合适的微波焙烧工艺合成的粉体的电催化活性要比高温焙烧所得粉体的催化活性高。

6.Densely sintering of dolomite ore is difficult because decomposing of carbonate results in forming porous structure during calcining process.

由于白云石在煅烧过程中碳酸盐分解后形成多孔疏松结构，使其难以烧结致密。

7.The results showed that ball-milling treatment and calcining temperature exert an influence on sintering process of HA.

结果表明，球磨处理和粉体煅烧温度对HA坯体的烧结行为均有明显影响。

8.The article introduces the formular, raw material and production process for producing low - temperature quick - calcining gold dust glaze without lead and poison.

本文介绍一种低温快烧、无铅无毒生产砂金釉的配方、釉用原料、生产工艺过程。

9.The calcining of bauxite is essential for aluminum extraction.

煅烧铝土矿对于铝的提取至关重要。

10.During calcining, the material undergoes significant changes in its chemical composition.

在煅烧过程中，材料的化学成分发生显著变化。

11.The process of calcining involves heating materials to high temperatures to bring about thermal decomposition.

这个煅烧过程涉及将材料加热到高温以引起热分解。

12.In the production of cement, calcining limestone is a crucial step to produce lime.

在水泥生产中，煅烧石灰石是生产石灰的关键步骤。

13.The calcining process can also remove impurities from the raw material.

煅烧过程还可以去除原材料中的杂质。

作文

Calcining is a crucial process in the production of various materials, particularly in the fields of metallurgy and ceramics. The term calcining refers to the thermal treatment of materials at high temperatures, usually in the presence of air or oxygen, which leads to the decomposition of carbonates, hydrates, or other compounds. This process is essential for transforming raw materials into usable forms, enhancing their properties and making them suitable for further processing. In the cement industry, for instance, the calcining of limestone (calcium carbonate) is a fundamental step in producing lime (calcium oxide), which is a key ingredient in cement production. During this process, limestone is heated to temperatures around 900 to 1000 degrees Celsius, causing it to release carbon dioxide gas and leave behind calcium oxide. This reaction not only produces a valuable material but also plays a significant role in the overall efficiency of the cement-making process. Moreover, calcining can also be observed in the production of ceramics, where clay minerals are subjected to high temperatures to remove moisture and induce chemical changes that enhance their strength and durability. The resulting ceramic materials are then used in various applications, from pottery to advanced engineering components. One of the significant advantages of calcining is its ability to improve the physical and chemical properties of materials. For example, in the case of aluminum production, bauxite ore undergoes calcining to remove water and impurities, resulting in a purer form of alumina, which is essential for the electrolysis process used to extract aluminum metal. Furthermore, the environmental aspects of calcining cannot be overlooked. While the process itself is energy-intensive, advancements in technology have allowed for more efficient methods of calcining, reducing greenhouse gas emissions and energy consumption. Innovations such as rotary kilns and fluidized bed reactors have made it possible to optimize the heat distribution and minimize the environmental impact. In conclusion, calcining is a vital process that plays a significant role in various industries by transforming raw materials into valuable products. Its importance in metallurgy, ceramics, and environmental sustainability highlights the need for ongoing research and development to enhance its efficiency and reduce its ecological footprint. Understanding the principles and applications of calcining allows us to appreciate its impact on modern manufacturing processes and the continuous evolution of material science.

煅烧是生产各种材料中一个至关重要的过程，特别是在冶金和陶瓷领域。术语calcining指的是在高温下对材料进行热处理，通常在空气或氧气的存在下，这导致碳酸盐、水合物或其他化合物的分解。这个过程对于将原材料转变为可用形式至关重要，增强其特性，使其适合进一步加工。例如，在水泥工业中，煅烧石灰石（碳酸钙）是生产生石灰（氧化钙）的基本步骤，而生石灰是水泥生产中的关键成分。在这个过程中，石灰石被加热到大约900到1000摄氏度的温度，导致其释放二氧化碳气体，并留下氧化钙。这一反应不仅产生了有价值的材料，还在整体水泥制造过程中发挥了重要作用。此外，calcining还可以在陶瓷生产中观察到，其中粘土矿物在高温下受到处理，以去除水分并引发化学变化，从而增强其强度和耐久性。所得到的陶瓷材料随后用于各种应用，从陶器到先进的工程组件。calcining的一个显著优势是能够改善材料的物理和化学性质。例如，在铝生产的情况下，铝土矿经过calcining去除水分和杂质，从而形成更纯净的铝土矿，这对于用于提取铝金属的电解过程至关重要。此外，calcining的环境方面也不容忽视。虽然该过程本身需要大量能源，但技术的进步使得更高效的calcining方法成为可能，从而减少温室气体排放和能源消耗。旋转窑和流化床反应器等创新使得优化热分布和最小化环境影响成为可能。总之，calcining是一个重要的过程，在各个行业中通过将原材料转变为有价值的产品发挥着重要作用。它在冶金、陶瓷和环境可持续性方面的重要性突显了持续研究和开发以提高其效率和减少生态足迹的必要性。理解calcining的原理和应用使我们能够欣赏其对现代制造过程和材料科学不断发展的影响。