nucleator

简明释义

英[ˈnjuːkliˌeɪtər]美[ˈnjuːkliˌeɪtər]

n. 成核剂

英英释义

单词用法

同义词

反义词

例句

1.The nucleator is the modified agent to promote polymer crystallization and improve the crystal structure. It mainly includes inorganic, organic and high molecular nucleator.

成核剂是促进聚合物结晶并改善其晶粒结构的改性剂，它主要包括无机类成核剂、有机类成核剂和高分子类成核剂。

2.The nucleator is the modified agent to promote polymer crystallization and improve the crystal structure. It mainly includes inorganic, organic and high molecular nucleator.

成核剂是促进聚合物结晶并改善其晶粒结构的改性剂，它主要包括无机类成核剂、有机类成核剂和高分子类成核剂。

3.The nucleator of barium hydroxide and its different content for the inorganic phase change material calcium chloride hexahydrate have been studied in this paper.

本文着重研究了以氢氧化钡为成核剂和不同用量的无机相变材料六水氯化钙。

4.The isothermal crystallization morphology of polypropylene copolymer (CPP) containing TM-3, a clarifying nucleator, was observed by polarized light microscope.

利用偏光显微镜观察了聚丙烯共聚物(CPP)在透明成核剂TM - 3作用下的等温结晶形态。

5.The phosphate glass-ceramic of different components is prepared by the melting method and crystallization technique, TiO2 is nucleator.

本文采用熔融和晶化技术制备出不同组份的磷酸盐玻璃陶瓷，成核剂为TiO2。

6.The results show that, inorganic nucleator improves both the crystallinity and crystalline growth velocity of PA-6.

结果表明，与纯尼龙6相比，添加剂d在提高尼龙6基体结晶度的同时，降低了结晶速度。

7.The scientist used a specific type of nucleator to initiate the crystallization process in the laboratory.

科学家使用了一种特定类型的核化剂来启动实验室中的结晶过程。

8.In the production of ice cream, a nucleator can help create smaller ice crystals for a smoother texture.

在冰淇淋的生产中，核化剂可以帮助产生更小的冰晶，以获得更光滑的质地。

9.Researchers discovered that certain proteins act as nucleators in the formation of cellular structures.

研究人员发现某些蛋白质在细胞结构的形成中充当核化剂。

10.The nucleator used in this experiment is essential for determining the size of the resulting particles.

本实验中使用的核化剂对于确定所产生颗粒的大小至关重要。

11.Adding a nucleator can significantly improve the efficiency of the polymerization process.

添加核化剂可以显著提高聚合过程的效率。

作文

In the realm of science, particularly in the field of crystallography and materials science, the term nucleator refers to a substance that facilitates the process of nucleation. Nucleation is the initial step in the formation of a new phase or structure, such as crystals forming from a solution or vapor. The role of a nucleator is crucial because it provides a template or a surface upon which atoms or molecules can begin to organize into a more stable, ordered structure. Without an effective nucleator, the process of crystallization can be slow and inefficient, leading to poorly formed or amorphous structures. This concept is not only significant in laboratory settings but also has practical applications in various industries, including pharmaceuticals, food production, and materials engineering. For instance, in the pharmaceutical industry, the crystallization of drugs is a critical step in drug formulation. The presence of a suitable nucleator can enhance the purity and bioavailability of the drug by promoting the formation of well-defined crystal structures. This is particularly important because the physical properties of a drug, such as its solubility and stability, can be greatly influenced by its crystalline form. Thus, selecting the right nucleator can lead to improved therapeutic outcomes and more efficient manufacturing processes. Similarly, in the food industry, nucleators are used to control the crystallization of sugars and fats, which affects the texture and quality of products like chocolate and ice cream. For example, the addition of certain nucleators can help achieve a smoother texture in ice cream by promoting the formation of smaller ice crystals during freezing. This results in a creamier mouthfeel that is often desired by consumers. Moreover, in the field of materials science, nucleators play a vital role in the production of polymers and composites. By incorporating specific nucleators into the polymer matrix, manufacturers can control the crystallization behavior of the material, leading to enhanced mechanical properties and thermal stability. This is particularly important in applications where performance and durability are critical, such as in automotive and aerospace industries. The study of nucleators also opens up avenues for research into new materials and technologies. Scientists are continually exploring novel nucleators that can improve existing processes or lead to the development of advanced materials with unique properties. For example, the use of nanomaterials as nucleators has garnered attention due to their ability to significantly influence the crystallization process at the nanoscale, leading to materials with tailored characteristics. In conclusion, the term nucleator encompasses a fundamental concept in the science of phase transitions and material formation. Its significance spans various fields, from pharmaceuticals to food science and materials engineering. Understanding the role of nucleators can lead to innovations that enhance product quality and efficiency. As research continues to advance, the exploration of new nucleators will undoubtedly contribute to the development of cutting-edge technologies and materials that can meet the demands of the future.

在科学领域，特别是在晶体学和材料科学中，术语nucleator指的是一种促进成核过程的物质。成核是新相或结构形成的初始步骤，例如晶体从溶液或蒸气中形成。nucleator的作用至关重要，因为它提供了一个模板或表面，使原子或分子可以开始组织成更稳定、有序的结构。如果没有有效的nucleator，结晶过程可能会缓慢且效率低下，导致形成不良或无定形的结构。这个概念不仅在实验室环境中具有重要意义，而且在制药、食品生产和材料工程等多个行业中也有实际应用。 例如，在制药行业，药物的结晶是药物配方中的关键步骤。合适的nucleator的存在可以通过促进形成明确的晶体结构来提高药物的纯度和生物利用度。这一点尤为重要，因为药物的物理特性，如溶解度和稳定性，可能会受到其晶体形态的极大影响。因此，选择合适的nucleator可以带来更好的治疗效果和更高效的生产过程。 同样，在食品工业中，nucleators被用来控制糖和脂肪的结晶，这影响了巧克力和冰淇淋等产品的质地和质量。例如，添加某些nucleators可以通过促进在冷冻过程中形成更小的冰晶来帮助实现冰淇淋的更光滑质地。这导致了消费者所期望的更奶油般的口感。 此外，在材料科学领域，nucleators在聚合物和复合材料的生产中发挥着至关重要的作用。通过将特定的nucleators掺入聚合物基体中，制造商可以控制材料的结晶行为，从而增强机械性能和热稳定性。这在性能和耐用性至关重要的应用中尤其重要，例如汽车和航空航天工业。 对nucleators的研究还为新材料和技术的研究开辟了途径。科学家们不断探索新型的nucleators，以改善现有工艺或开发具有独特性能的先进材料。例如，纳米材料作为nucleators的使用引起了关注，因为它们能够在纳米尺度上显著影响结晶过程，从而导致具有定制特性的材料。 总之，术语nucleator涵盖了相变和材料形成科学中的基本概念。它的重要性跨越多个领域，从制药到食品科学再到材料工程。理解nucleators的作用可以带来提升产品质量和效率的创新。随着研究的不断推进，新nucleators的探索无疑将促进尖端技术和材料的发展，以满足未来的需求。