sial

简明释义

英[ˈsaɪəl]美[ˈsaɪˌæl]

n. 硅铝带；硅铝层

n. （Sial）（巴、美、英、印、加）西亚尔（人名）

英英释义

单词用法

同义词

反义词

例句

1.We very much look forward to seeing you in Shanghai in the USA Pavilion at SIAL China 2006.

希望能在上海2006年中国国际食品和饮料展览会的美国展区里见到大家。

2.Most of the faults in the southeast coast of Fujian Province occur in the sial of upper crust and some have reached the sima.

福建东南沿海断裂1多发生于上地壳硅铝层，少数达硅镁层。

3.Sial is the base on which the land surfaces of the earth stand.

硅铝带是地球陆地表面的基础。

4.ABSTRACT: the Founding Wines of Europe will appear at SIAL between May 13th, 2014 and May 15th, 2014 in China for its first stop in the world.

摘要：欧洲顶级葡萄酒品牌联盟将于2014年5月13日至15日登陆中国，这将是联盟启动之旅的首站。

5.In May 9th-11th 2012, we will hold our 13th SIAL China show in Shanghai New International Expo Centre.

2012年5月9 -11日，我们将在上海新国际博览中心举办第十三届中国国际食品和饮料展会。

6.ABSTRACT: the Founding Wines of Europe will appear at SIAL between May 13th, 2014 and May 15th, 2014 in China for its first stop in the world.

摘要：欧洲顶级葡萄酒品牌联盟将于2014年5月13日至15日登陆中国，这将是联盟启动之旅的首站。

7.Small countries also need big platform like SIAL to showcase their national features. This is TAK, a brand from Iran.

小国家同样需要食品博览这样的大舞台，图为中东伊朗的一个专门生产面食制品的品牌TAK。

8.Rocks found in the sial are typically granitic in nature, making them lighter than basaltic rocks.

在硅铝层中发现的岩石通常是花岗岩性质，使它们比玄武岩岩石更轻。

9.Geologists study sial to understand the composition and structure of continental landmasses.

地质学家研究硅铝层以了解大陆地块的成分和结构。

10.The Earth's crust is primarily composed of sial, which refers to the continental crust made up of silicate minerals.

地壳主要由硅铝层组成，指的是由硅酸盐矿物构成的大陆地壳。

11.The sial layer is less dense than the underlying oceanic crust, which is known as sima.

硅铝层的密度低于下方的海洋地壳，后者被称为sima。

12.The concept of sial is essential for understanding plate tectonics and continental drift.

硅铝层的概念对理解板块构造和大陆漂移至关重要。

作文

The Earth's crust is a fascinating subject of study, particularly when we delve into its composition and structure. One of the key components of the continental crust is a layer known as sial, which refers to the upper layer primarily composed of silicate and aluminum minerals. This term is derived from the elements silicon (Si) and aluminum (Al), which are abundant in this part of the Earth. Understanding sial is crucial for geologists as it provides insights into the formation and evolution of the Earth's surface. Geologically, sial is significant because it forms the foundation of continents. Unlike the denser oceanic crust, which is primarily composed of basalt and is referred to as 'sima' (silicate and magnesium), sial is lighter and allows for the formation of landmasses that support diverse ecosystems. The composition of sial varies regionally, with areas rich in granite indicating a high concentration of feldspar and quartz, further contributing to the complexity of the Earth's geology.In addition to its geological importance, sial plays a vital role in understanding tectonic movements. The interactions between the sial and the underlying mantle can lead to phenomena such as earthquakes and volcanic activity. For instance, when two continental plates collide, the sial can crumple and fold, leading to the creation of mountain ranges. This process exemplifies how the dynamics of sial contribute to the ever-changing landscape of our planet.Moreover, the study of sial extends beyond geology; it also intersects with environmental science. The minerals found within sial influence soil composition and fertility, which in turn affects agriculture and biodiversity. By analyzing the sial layer, scientists can assess the availability of resources such as water and nutrients, which are essential for sustaining life.In summary, the term sial encapsulates a fundamental aspect of the Earth's crust, highlighting the interplay between geology, ecology, and human activity. As we continue to explore and understand the complexities of our planet, the significance of sial cannot be overstated. It is a reminder of the intricate systems that govern our world and the importance of preserving these natural structures for future generations. Through ongoing research and education, we can deepen our appreciation for the layers beneath our feet and recognize the vital role they play in shaping our environment and life on Earth.

地壳是一个迷人的研究主题，尤其是当我们深入了解其组成和结构时。其中一个关键组成部分是被称为sial的层，它指的是主要由硅酸盐和铝矿物组成的上层。这一术语源于地球中丰富的元素硅（Si）和铝（Al）。理解sial对于地质学家至关重要，因为它提供了有关地球表面形成和演变的见解。从地质角度来看，sial具有重要意义，因为它构成了大陆的基础。与主要由玄武岩组成的更密集的海洋地壳不同，称为'sima'（硅酸盐和镁），sial较轻，允许形成支持多样生态系统的陆地。sial的组成因地区而异，富含花岗岩的地区表示长石和石英的浓度很高，进一步增加了地球地质的复杂性。除了地质重要性之外，sial在理解构造运动方面也发挥着重要作用。sial与下方地幔之间的相互作用可能导致地震和火山活动等现象。例如，当两个大陆板块碰撞时，sial会皱缩和折叠，导致山脉的形成。这一过程展示了sial的动态如何促成我们星球不断变化的景观。此外，sial的研究超越了地质学；它还与环境科学交叉。sial中发现的矿物影响土壤组成和肥力，这反过来又影响农业和生物多样性。通过分析sial层，科学家可以评估水和营养素等资源的可用性，这对维持生命至关重要。总之，术语sial概括了地壳的一个基本方面，突显了地质、生态和人类活动之间的相互作用。随着我们继续探索和理解我们星球的复杂性，sial的重要性不容低估。它提醒我们支配我们世界的复杂系统，以及保护这些自然结构以供后代使用的重要性。通过持续的研究和教育，我们可以加深对我们脚下层次的欣赏，并认识到它们在塑造我们的环境和地球生命中所发挥的重要作用。