photochromic

简明释义

英[ˌfəʊtəʊˈkrəʊmɪk]美[ˌfoʊtoʊˈkroʊmɪk]

adj. （物质）光致变色的；（玻璃）对光反应变色的

英英释义

单词用法

同义词

反义词

例句

1.Naphthopyran is a kind of photochromic materials with good performance, whereas there are just several reports about naphthopyran polymers.

萘酚吡喃分子是一类性能优良的光致变色材料，而目前很少有关于萘酚吡喃聚合物的报道。

2.The research progress and the use of photochromic liquid crystal single molecule were summarized.

综述了光致变色液晶小分子化合物研究进展及其应用前景。

3.This paper expounds applications and properties of photochromic compounds.

论述了有关光致变色化合物的用途与性能。

4.All results indicated that the PWA content affected the structure of composite films, which resulted in the different photochromic properties.

这些结果表明钨磷酸含量对复合膜的微结构存在影响，从而导致了复合膜具有不同的光致变色性能。

5.Photochromic material is a new kind of functional material that has the special photochemistry property.

光致变色材料是一类具有特殊光化学性质的新型功能材料。

6.The influence of solvent effect on optical performances of photochromic material ethyl red has been studied.

研究了溶剂性质对光致变色材料乙基红光学性质的影响。

7.Methods of making such photochromic materials, compositions, and optical elements are also disclosed.

还公开了此类光致变色材料、组合物和光学元件的制造方法。

8.Analysis of the optical channel of a photochromic multi-level storage system is the basis of the design of signal-processing sub-systems.

光致变色多阶存储系统的光学通道分析是分析和设计后续信号处理部分的前提。

9.The spiropyrans with a nitro group at the benzopyran moiety showed reverse photochromic behavior, others were normal photochromic compounds.

在苯并吡喃部分含有硝基的螺吡喃显示出逆光致变色行为，其它的则为普通光致变色化合物。

10.Many people prefer photochromic glasses for their convenience and versatility.

许多人喜欢光致变色眼镜，因为它们方便且多功能。

11.The photochromic technology in these lenses helps protect your eyes from UV rays.

这些镜片中的光致变色技术有助于保护你的眼睛免受紫外线的伤害。

12.When you go indoors, the photochromic lenses quickly return to their clear state.

当你走进室内时，光致变色镜片会迅速恢复透明状态。

13.The photochromic feature is especially useful for outdoor enthusiasts.

对于户外爱好者来说，光致变色功能尤其实用。

14.The new sunglasses feature photochromic lenses that darken in bright sunlight.

新款太阳镜配备了在明亮阳光下变暗的光致变色镜片。

作文

In recent years, the term photochromic has gained popularity, especially in the fields of eyewear and materials science. The word photochromic refers to the property of certain substances to change color in response to light exposure. This fascinating phenomenon occurs when a material undergoes a reversible chemical change upon exposure to ultraviolet (UV) light, allowing it to transition between different states. For instance, photochromic lenses darken when exposed to sunlight and return to their clear state when indoors. This unique characteristic not only enhances comfort for users but also provides protection against harmful UV rays.The application of photochromic technology extends beyond just eyewear. In recent years, researchers have been exploring its use in various industries, including textiles, coatings, and even automotive glass. Imagine a car windshield that can adjust its tint based on the intensity of sunlight, providing optimal visibility and comfort for drivers. Such innovations highlight the versatility and potential of photochromic materials in everyday life.Moreover, the environmental implications of photochromic technology are noteworthy. Traditional sunglasses often come with a fixed tint, which may not be suitable for all lighting conditions. By utilizing photochromic lenses, consumers can reduce their need for multiple pairs of glasses, ultimately leading to less waste and a smaller carbon footprint. This aligns with the growing trend toward sustainability and eco-friendly products in today's market.Furthermore, the science behind photochromic materials is quite intriguing. These materials typically contain organic compounds that react to light. When exposed to UV rays, the structure of these compounds changes, causing them to absorb more light and appear darker. Once the UV source is removed, the compounds revert to their original state, making the lenses clear again. This reversible reaction is what makes photochromic materials so appealing for various applications.Despite the many advantages of photochromic technology, there are also challenges that need to be addressed. For instance, the speed at which the lenses transition between states can vary, and some materials may not respond well to certain lighting conditions. Researchers are continuously working to improve the performance and durability of photochromic products, ensuring that they meet the demands of consumers.In conclusion, the concept of photochromic materials is a remarkable example of how science and innovation can enhance our daily lives. From improving eye protection to promoting sustainability, the potential applications of photochromic technology are vast and varied. As research continues to advance, we can expect to see even more exciting developments in this field, paving the way for a brighter and more adaptable future. Our understanding of photochromic materials not only enriches our knowledge of chemistry but also inspires us to embrace innovative solutions that benefit both individuals and the environment.

近年来，术语photochromic（光变色）在眼镜和材料科学等领域越来越受欢迎。这个词photochromic指的是某些物质在光照射下改变颜色的特性。这一迷人的现象发生在当某种材料在紫外线（UV）光照射下经历可逆的化学变化，从而使其在不同状态之间转换。例如，光变色镜片在阳光照射下会变暗，而在室内时又回到清澈的状态。这一独特的特性不仅增强了用户的舒适度，还提供了对有害紫外线的保护。photochromic技术的应用不仅限于眼镜。近年来，研究人员正在探索其在纺织品、涂料甚至汽车玻璃等各个行业的使用。想象一下，一块汽车挡风玻璃可以根据阳光的强度调整其色调，为驾驶者提供最佳的能见度和舒适度。这些创新突显了photochromic材料在日常生活中的多样性和潜力。此外，photochromic技术的环境影响也值得注意。传统的太阳镜通常具有固定的色调，这可能不适合所有的照明条件。通过利用photochromic镜片，消费者可以减少对多副眼镜的需求，从而最终减少浪费和更小的碳足迹。这与当今市场上日益增长的可持续性和环保产品趋势相一致。此外，photochromic材料背后的科学非常有趣。这些材料通常含有对光反应的有机化合物。当暴露于紫外线时，这些化合物的结构发生变化，使它们吸收更多的光并显得更暗。一旦紫外线源被移除，这些化合物就会恢复到原始状态，使镜片再次清晰。这种可逆反应正是使photochromic材料在各种应用中如此吸引人的原因。尽管photochromic技术具有许多优点，但也存在需要解决的挑战。例如，镜片在状态之间转换的速度可能有所不同，有些材料可能对某些照明条件反应不佳。研究人员正在不断努力提高photochromic产品的性能和耐用性，以确保它们满足消费者的需求。总之，photochromic材料的概念是科学和创新如何增强我们日常生活的一个显著例子。从改善眼睛保护到促进可持续发展，photochromic技术的潜在应用广泛而多样。随着研究的不断推进，我们可以期待在这一领域看到更多令人兴奋的发展，为更加光明和适应性强的未来铺平道路。我们对photochromic材料的理解不仅丰富了我们对化学的知识，也激励我们接受有利于个人和环境的创新解决方案。