white lead powder

简明释义

白铅粉

英英释义

例句

1.In the past, many painters relied on white lead powder for its opacity and coverage.

在过去，许多画家依赖于白铅粉来获得不透明性和覆盖力。

2.The historical documents revealed that white lead powder was commonly used in ancient frescoes.

历史文献显示，白铅粉在古代壁画中被广泛使用。

3.The artist used white lead powder to achieve a brilliant white finish on the canvas.

艺术家使用白铅粉在画布上达到明亮的白色效果。

4.Due to health concerns, the use of white lead powder has been banned in many countries.

由于健康问题，许多国家已禁止使用白铅粉。

5.The chemist explained the properties of white lead powder in relation to paint formulation.

化学家解释了白铅粉在油漆配方中的特性。

作文

The use of pigments in art and industry has a long and storied history, with various substances being employed to achieve the desired colors and effects. One such substance that has been both praised for its properties and criticized for its dangers is white lead powder. This compound, primarily made up of lead(II) carbonate, has been utilized for centuries in painting and as a white pigment in various applications. Its bright, opaque finish makes it highly desirable for artists and manufacturers alike. However, the toxicity associated with white lead powder has raised significant health concerns over the years.Historically, white lead powder was favored by painters because of its excellent covering power and durability. It was often used in oil paints, where its ability to create a smooth texture and vibrant color was unmatched by other white pigments available at the time. Artists like Rembrandt and Vermeer famously used this pigment in their masterpieces, contributing to the rich visual legacy of the Dutch Golden Age. The aesthetic qualities of white lead powder cannot be overstated; it provided a luminosity and depth that many other materials struggled to replicate.Despite its artistic advantages, the dangers of white lead powder began to surface as awareness of lead poisoning grew. Lead is a toxic metal that can cause severe health issues, including neurological damage, particularly in children. The symptoms of lead exposure can range from developmental delays to more severe cognitive impairments. As a result, many countries have enacted strict regulations regarding the use of lead-based paints and pigments, leading to a decline in the popularity of white lead powder in contemporary art and manufacturing.In addition to health risks, the environmental impact of white lead powder cannot be ignored. The mining and production processes associated with lead extraction are often detrimental to ecosystems, leading to soil and water contamination. Many artists today seek alternatives that are both safe for human health and environmentally friendly. Modern substitutes for white lead powder, such as titanium dioxide, provide similar opacity and brightness without the associated risks.The shift away from white lead powder reflects a broader trend in the art world and industry towards sustainability and safety. Artists are increasingly aware of the materials they use and the potential implications for their health and the environment. Workshops and educational programs now emphasize the importance of using non-toxic materials, encouraging a new generation of creators to explore safer options.In conclusion, while white lead powder played a significant role in the history of art and industry, its associated health risks and environmental concerns have led to its decline in use. Understanding the implications of using such materials is crucial for artists and manufacturers alike. As we move forward, the emphasis on safety and sustainability will likely continue to shape the materials used in creative practices, paving the way for innovations that honor both tradition and health.

在艺术和工业中，颜料的使用有着悠久而丰富的历史，各种物质被用来实现所需的颜色和效果。其中一种既因其特性受到赞誉，又因其危险性受到批评的物质是白铅粉。这种化合物主要由碳酸铅（II）组成，几个世纪以来一直被用于绘画和作为各种应用中的白色颜料。它明亮、不透明的外观使其在艺术家和制造商中都备受青睐。然而，与白铅粉相关的毒性多年来引发了重大健康问题。历史上，白铅粉因其优良的遮盖力和耐久性而受到画家的喜爱。它常用于油画中，其创造光滑质感和鲜艳色彩的能力是当时其他白色颜料无法比拟的。像伦勃朗和维米尔这样的艺术家在他们的杰作中著名地使用了这种颜料，为荷兰黄金时代的丰富视觉遗产做出了贡献。白铅粉的美学品质不容小觑；它提供了一种许多其他材料难以复制的光泽和深度。尽管具有艺术优势，但随着对铅中毒的认识不断提高，白铅粉的危险性开始显现。铅是一种有毒金属，可能导致严重的健康问题，包括神经损伤，尤其是在儿童中。铅暴露的症状范围从发育迟缓到更严重的认知损害。因此，许多国家对铅基涂料和颜料的使用制定了严格的法规，导致现代艺术和制造业中对白铅粉的使用逐渐减少。除了健康风险外，白铅粉对环境的影响也不可忽视。与铅提取相关的采矿和生产过程往往对生态系统造成危害，导致土壤和水源污染。如今，许多艺术家寻求既对人类健康安全又对环境友好的替代品。现代的白铅粉替代品，如二氧化钛，提供类似的遮盖力和亮度，而没有相关的风险。对白铅粉的转变反映了艺术界和工业中向可持续性和安全性发展的更广泛趋势。艺术家们越来越意识到他们使用的材料及其对健康和环境的潜在影响。工作坊和教育项目现在强调使用无毒材料的重要性，鼓励新一代创作者探索更安全的选择。总之，虽然白铅粉在艺术和工业历史中发挥了重要作用，但与之相关的健康风险和环境问题导致其使用的减少。了解使用这些材料的影响对于艺术家和制造商来说至关重要。随着我们向前发展，安全和可持续性的重视将继续塑造创造性实践中使用的材料，为尊重传统和健康的创新铺平道路。