tridymite
简明释义
n. [矿物] 鳞石英
英英释义
A high-temperature polymorph of silica (SiO2) that occurs in volcanic rocks and is stable at temperatures above 870 °C. | 一种高温多晶型二氧化硅(SiO2),在火山岩中出现,并在温度高于870°C时稳定。 |
单词用法
三方晶体 | |
三方结构 | |
在火山岩中发现 | |
与二氧化硅相关 |
同义词
二氧化硅 | 三方石英是二氧化硅的一种高温多晶型。 | ||
石英 | Quartz is commonly found in many types of rocks, including granite. | 石英通常在许多类型的岩石中发现,包括花岗岩。 |
反义词
晶体石英 | 晶体石英常见于火山岩中。 | ||
石英 | Quartz is one of the most abundant minerals in the Earth's crust. | 石英是地壳中最丰富的矿物之一。 |
例句
1.The effect of addition of P_2O_5 in a few thousandths on the devitrification behavior of plate glass with primary phase of tridymite is different from that with primary phase of wollastonite.
在初晶相为鳞石英的平板玻璃中加入千分之几的P_2O_5后对析晶性能的影响与初晶相为硅灰石的平板玻璃是不同的。
2.The notes describe the common minerals such as quartz and its polymorphs, coesite, tridymite and cristobalite, feldspar, plagioclase, feldspathoids, pyroxenes, amphiboles, etc.
讲稿详细地介绍了火成岩矿物,如:石英及它的同构异形体、柯石英、鳞石英、方石英、长石、斜长石、似长石、辉石、闪石等矿物。
3.The microstructure of crystallized cristobalite, tridymite andmelanophlogite have been studied and the effect of crystallization on sintering of compositealso has been discussed.
对所析出的方石英、鳞石英和硫方石英的显微结构进行了讨论,同时亦讨论了石英玻璃的析晶对复合材料烧结的影响。
4.This study can help refractories enterprises in south China resolve their problem such as low content tridymite and properties of silica brick for coke oven.
本研究的成果有助于南方耐火材料生产企业解决焦炉硅砖制品普遍存在着的鳞石英含量和性能指标不足等问题。
5.The effect of addition of P_2O_5 in a few thousandths on the devitrification behavior of plate glass with primary phase of tridymite is different from that with primary phase of wollastonite.
在初晶相为鳞石英的平板玻璃中加入千分之几的P_2O_5后对析晶性能的影响与初晶相为硅灰石的平板玻璃是不同的。
6.The laboratory analysis revealed that the glassy texture was due to the presence of tridymite within the rock.
实验室分析显示,玻璃状纹理是由于岩石中存在三方石英。
7.In some volcanic rocks, the presence of tridymite indicates a history of high temperatures during formation.
在某些火山岩中,三方石英的存在表明在形成过程中经历了高温。
8.Researchers are examining the tridymite crystals found in the ash deposits for clues about the eruption's temperature.
研究人员正在检查在灰烬沉积物中发现的三方石英晶体,以寻找关于喷发温度的线索。
9.The mineral sample contained a significant amount of tridymite, which is a high-temperature polymorph of silica.
该矿物样本含有大量的三方石英,它是二氧化硅的一种高温多晶型。
10.Geologists often study tridymite to understand volcanic processes and the conditions under which it forms.
地质学家常常研究三方石英以了解火山过程及其形成的条件。
作文
In the field of geology and mineralogy, understanding the various forms of silica is crucial for comprehending the Earth's crust. One such form is tridymite, a high-temperature polymorph of silica that plays a significant role in the study of volcanic rocks. Tridymite is typically found in volcanic ash and is characterized by its unique crystal structure, which differs from other silica forms like quartz and cristobalite. This mineral is not only important for academic purposes but also has practical applications in industries such as ceramics and glass manufacturing.The formation of tridymite occurs under specific conditions, usually at temperatures above 870 degrees Celsius. When volcanic eruptions happen, the intense heat can cause the silica present in the magma to crystallize into different forms. The presence of tridymite indicates that the volcanic rock cooled rapidly, allowing this particular crystal structure to form. Geologists often analyze the presence and abundance of tridymite in volcanic rocks to infer the conditions under which the rock was formed.One of the fascinating aspects of tridymite is its stability at high temperatures. While it can transform back into quartz or cristobalite when subjected to lower temperatures, tridymite remains stable in environments where temperatures are consistently high. This property makes it a valuable indicator for geologists studying the thermal history of geological formations.Moreover, the study of tridymite extends beyond geology; it also intersects with material science. In the ceramics industry, tridymite is appreciated for its thermal resistance and mechanical strength. Manufacturers often seek to incorporate materials that mimic the properties of tridymite to enhance the durability of their products. For instance, ceramics that contain tridymite exhibit improved resistance to thermal shock, making them suitable for use in high-temperature applications.In addition to its industrial applications, tridymite also holds significance in the realm of art. Artists and craftsmen who work with glass often consider the properties of tridymite when creating intricate glass sculptures. The ability of tridymite to withstand high temperatures allows artists to experiment with various techniques without compromising the integrity of their work.In conclusion, tridymite is more than just a mineral; it is a key player in understanding volcanic activity and has significant implications for various industries. Its unique properties make it a subject of interest for geologists, material scientists, and artists alike. As research continues to evolve, the importance of tridymite in both natural processes and human applications will likely become even more pronounced, highlighting the intricate connections between the Earth’s geology and our technological advancements.
在地质学和矿物学领域,理解二氧化硅的各种形式对于理解地壳至关重要。其中一种形式是tridymite,它是二氧化硅的一种高温多晶型,在线状火山岩的研究中起着重要作用。Tridymite通常存在于火山灰中,其独特的晶体结构与石英和克里斯托巴利特等其他二氧化硅形式不同。这种矿物不仅对学术研究重要,还有在陶瓷和玻璃制造等行业中的实际应用。Tridymite的形成发生在特定条件下,通常是在870摄氏度以上的高温下。当火山喷发发生时,强烈的热量会导致岩浆中的二氧化硅结晶为不同的形式。Tridymite的存在表明火山岩快速冷却,从而形成这种特定的晶体结构。地质学家常常分析火山岩中tridymite的存在和丰度,以推断岩石形成时的条件。Tridymite一个迷人的方面是它在高温下的稳定性。虽然当温度降低时,它可以转变回石英或克里斯托巴利特,但tridymite在温度始终较高的环境中保持稳定。这一特性使其成为地质学家研究地质构造热历史的宝贵指标。此外,对tridymite的研究不仅限于地质学;它也与材料科学交叉。在陶瓷工业中,tridymite因其耐热性和机械强度而受到重视。制造商通常寻求将模仿tridymite特性的材料纳入其产品,以增强产品的耐用性。例如,含有tridymite的陶瓷表现出更好的耐热冲击性,使其适合用于高温应用。除了工业应用,tridymite在艺术领域也具有重要意义。与玻璃相关的艺术家和工匠在创作复杂的玻璃雕塑时,常常考虑tridymite的特性。Tridymite能够承受高温,使艺术家们能够在不损害作品完整性的情况下进行各种实验。总之,tridymite不仅仅是一种矿物;它是理解火山活动的关键角色,并对各个行业具有重要意义。它的独特性质使其成为地质学家、材料科学家和艺术家共同关注的对象。随着研究的不断发展,tridymite在自然过程和人类应用中的重要性可能会变得更加明显,突显出地球地质与我们技术进步之间的微妙联系。