spherulites

简明释义

英[ˌsfɛr.juˈlaɪts]美[ˌsfɛr.jəˈlaɪts]

n. [地质]球晶（spherulite 的复数形式）；[地质]球粒

英英释义

单词用法

同义词

反义词

例句

1.Spherulites of some polymers such as PE, PP and PS during melting crystallization under different conditions are studied by means of polarized microscope.

利用偏光显微镜，对高聚物(PP,PS和PE)在不同条件进行熔融结晶时的球晶进行了研究。

2.These spherulites are identified as glassy microtektites by their surficial texture, physical and optical properties, and common element contents.

根据这些玻璃质微球粒的物理、表面结构构造及常量元素等特征，可认为是微玻璃陨石。

3.It was discovered by POM that spherulitic morphology of PHB in the blend changed significantly, size of the spherulites decreased and the secondary crystallization of PHB was inhibited also.

POM表明，共混物中的PHB球晶形态产生显著变化，球晶尺度减小，且二次结晶被抑制。

4.In this paper, the conditions resulting in the unusual spherulites of PET and PBT were investigated by small Angle laser scattering instrument.

本文用小角激光散射仪考察了PET和PBT变态球晶的形成条件，采用模型法分析了变态球晶的内部结构。

5.The result indicated that temperature, stress and impurity can give definitive effect on shape, size, quantity and distribution of spherulites.

结果表明：温度、应力及杂质对球晶形态、大小、多少、分布均有影响。

6.The development of the ring-banded spherulites in PTT solution-cast film is a rhythmic growth process, and thus it is consistent with the structural discontinuity model.

确定了环带球晶的形成机理，即间歇式增长过程，符合结构不连续模型。

7.The studies of polarized optical microscopy and TEM indicate the formation of spherulites undergoing aggregation of self-assembled fibers.

由电 镜和偏光显微镜研究的凝胶形态学表明，凝胶中存在由相互缠结的三维纤维网络构 成的球晶。

8.The products were characterized by IR, DSC as well as PLM and found that they were crystalline with large size spherulites.

DSC和偏光显微镜测定表明，它们是球晶较大的结晶性高聚物。

9.It was discovered by POM that spherulitic morphology of PHB in the blend changed significantly, size of the spherulites decreased and the secondary crystallization of PHB was inhibited also.

POM表明，共混物中的PHB球晶形态产生显著变化，球晶尺度减小，且二次结晶被抑制。

10.The volcanic rock was filled with small, round formations known as spherulites.

这块火山岩中充满了被称为球晶的小圆形结构。

11.The presence of spherulites can indicate the cooling history of a lava flow.

存在球晶可能表明熔岩流的冷却历史。

12.Some types of glassy volcanic rocks contain abundant spherulites that enhance their texture.

某些类型的玻璃状火山岩含有丰富的球晶，增强了它们的纹理。

13.In the laboratory, researchers studied the growth patterns of spherulites in different temperatures.

在实验室里，研究人员研究了不同温度下球晶的生长模式。

14.Geologists often analyze spherulites to understand the conditions under which the rock formed.

地质学家常常分析球晶以了解岩石形成的条件。

作文

In the study of geology and mineralogy, one often encounters fascinating structures that reveal much about the conditions under which they formed. One such structure is known as spherulites, which are spherical aggregates of crystals that typically form in volcanic rocks. These unique formations are not only visually striking but also provide valuable insights into the cooling and crystallization processes of magma. Understanding spherulites can enhance our comprehension of geological formations and the history of our planet's surface. Spherulites are primarily composed of minerals such as quartz, feldspar, and other silicates. Their formation usually occurs when molten rock begins to cool and solidify. As the temperature drops, the minerals within the magma start to crystallize. The process can result in the growth of these spherical structures, which may vary in size from a few millimeters to several centimeters in diameter. This growth is often influenced by factors such as the rate of cooling, the composition of the magma, and the presence of volatiles like water and carbon dioxide. The presence of spherulites in volcanic rocks can indicate specific environmental conditions during the eruption. For example, if a volcanic eruption occurs rapidly, leading to a swift cooling of the magma, one might find well-defined spherulites with sharp crystal faces. Conversely, slower cooling rates may produce more rounded and less distinct structures. This variability allows geologists to infer the thermal history of the rock and the dynamics of the volcanic activity that created it. Moreover, the study of spherulites extends beyond geology; it also has implications in materials science and engineering. Researchers have observed similar spherical aggregates in synthetic materials, such as polymers. Understanding how spherulites form in these contexts can lead to advancements in creating stronger and more durable materials. This cross-disciplinary relevance highlights the importance of studying these fascinating structures, as they bridge the gap between natural phenomena and human-made applications. In conclusion, spherulites are more than just intriguing geological features; they are key indicators of past volcanic activity and crucial components in various scientific fields. By examining their formation and characteristics, scientists can unlock secrets of the Earth's history and improve material design in technology. As we continue to explore the complexities of our planet, the study of spherulites serves as a reminder of the interconnectedness of natural processes and human innovation.

在地质学和矿物学的研究中，人们常常会遇到一些迷人的结构，这些结构揭示了它们形成时的条件。其中一种结构被称为spherulites，即通常在火山岩中形成的球形晶体聚集体。这些独特的结构不仅在视觉上引人注目，而且还提供了关于岩浆冷却和结晶过程的宝贵见解。理解spherulites可以增强我们对地质构造及其对我们星球表面历史的理解。 Spherulites主要由石英、长石和其他硅酸盐矿物组成。它们的形成通常发生在熔融岩石开始冷却和固化的过程中。当温度下降时，岩浆中的矿物开始结晶。这个过程可能导致这些球形结构的生长，大小从几毫米到几厘米不等。这种生长通常受到冷却速率、岩浆成分以及水和二氧化碳等挥发物存在的影响。 在火山岩中发现spherulites的存在可以指示喷发期间的特定环境条件。例如，如果火山喷发迅速，导致岩浆快速冷却，可能会发现具有清晰晶面的大型spherulites。相反，较慢的冷却速率可能会产生更圆润且不太明显的结构。这种变异性使地质学家能够推断岩石的热历史以及创造它的火山活动的动态。 此外，spherulites的研究不仅限于地质学；它在材料科学和工程学中也有重要意义。研究人员观察到在合成材料（如聚合物）中也存在类似的球形聚集体。了解spherulites在这些背景下的形成可以推动创建更强大、更耐用的材料的发展。这种跨学科的相关性突显了研究这些迷人结构的重要性，因为它们弥合了自然现象和人类制造应用之间的差距。 总之，spherulites不仅仅是有趣的地质特征；它们是过去火山活动的关键指标，并且在各个科学领域中都是至关重要的组成部分。通过研究它们的形成和特征，科学家可以揭开地球历史的秘密，并改善技术中的材料设计。随着我们继续探索我们星球的复杂性，spherulites的研究提醒我们自然过程与人类创新之间的相互联系。