diatoms

简明释义

英[ˈdaɪətəmz]美[ˈdaɪətəmz]

n. 矽藻；硅藻类（diatom 的复数）

英英释义

单词用法

同义词

反义词

例句

1.The problem lay with the species of phytoplankton in the bloom. In previous experiments the blooms had consisted of a group of algae known as diatoms.

随着个别浮游生物的增长问题也出现了，之前的实验中，增长的生物是硅藻组成的。

2."There are 2,500 species of diatoms in India alone," says Balasubramanian, who is writing his doctoral thesis on these algae.

“仅仅在印度就有2500种硅藻，”Balasubramanian说，他正在写关于这些藻类的博士论文。

3.There are five kingdoms: animals, plants, fungi, chromists—including one-celled plants such as diatoms—and protozoa, or one-celled organisms.

归有五个界：动物界、植物界、真菌界、茸鞭生物界——包括单细胞植物，如硅藻——和原生动物界，或单细胞生物体。

4.Diatoms are also quite numerous, with the estimated number of species exceeding one million.

硅藻种类也相当多，估计超过1百万种。

5.The single-celled diatoms below—the likes of which are found in oceans worldwide—were collected with a plankton net in San Francisco Bay.

上图就是旧金山海湾的一个浮游生物网内聚集的单细胞植物硅藻——这种藻类在世界各大海洋都广泛分布。

6.Ramachandra and his colleagues propose to genetically modify diatoms by manipulating the genes that produce oil so that they enhance its production.

Ramachandra和他的同事们提出通过控制产油基因来提高硅藻的油产量。

7.The toxic effects of fluoranthene on two marine diatoms were investigated using the static method.

采用静态实验方法研究了多环芳烃荧蒽对两种海洋硅藻的毒性作用。

8.Diatoms of this species, sometimes called "commuter" diatoms, remain burrowed in the sand during high tide, and emerge on the sand surface during the daytime low tide.

这种硅藻，有时被称为“通勤硅藻”，在涨潮时留在沙土中，在白天退潮时出现在沙土表面。

9.The study of diatoms 硅藻 is crucial for understanding aquatic ecosystems.

对diatoms 硅藻的研究对于理解水生生态系统至关重要。

10.Scientists use diatoms 硅藻 to monitor water quality in lakes and rivers.

科学家使用diatoms 硅藻来监测湖泊和河流的水质。

11.Many marine organisms rely on diatoms 硅藻 as a primary food source.

许多海洋生物依赖于diatoms 硅藻作为主要食物来源。

12.In paleontology, diatoms 硅藻 can provide insights into past environmental conditions.

在古生物学中，diatoms 硅藻可以为过去的环境条件提供见解。

13.The fossilized remains of diatoms 硅藻 are often used in geological studies.

化石化的diatoms 硅藻遗骸常用于地质研究。

作文

Diatoms are microscopic, single-celled algae that play a crucial role in the Earth's ecosystem. These organisms are part of the phytoplankton community and are found in both freshwater and marine environments. One of the most fascinating aspects of diatoms (硅藻) is their unique cell wall structure, which is composed of silica. This siliceous structure not only provides protection but also contributes to the intricate beauty of these organisms. Under a microscope, diatoms (硅藻) exhibit a wide variety of shapes and patterns, making them a subject of interest for scientists and nature enthusiasts alike. Diatoms are essential for the health of aquatic ecosystems. They perform photosynthesis, converting sunlight into energy while producing oxygen as a byproduct. In fact, it is estimated that diatoms (硅藻) contribute to about 20% of the world's oxygen supply. This makes them vital not just for aquatic life but for all living organisms on Earth. The presence of diatoms (硅藻) in water bodies indicates a healthy environment, as they thrive in clean, nutrient-rich waters. In addition to their ecological importance, diatoms (硅藻) have practical applications in various industries. Their silica shells, known as frustules, are used in products such as toothpaste, filters, and even as a natural pesticide. The fossilized remains of diatoms (硅藻) can be found in sedimentary rocks, where they serve as indicators of past environmental conditions. Scientists study these fossils to understand climate change and historical ecology, providing insights into how our planet has changed over millions of years. The study of diatoms (硅藻) is not limited to their ecological and industrial significance; it also extends to their potential use in biotechnology. Researchers are exploring the genetic makeup of diatoms (硅藻) to harness their capabilities for biofuel production. Given their rapid growth rates and ability to convert sunlight into energy efficiently, diatoms (硅藻) could become a sustainable source of energy in the future. However, diatoms (硅藻) face threats from pollution, climate change, and habitat destruction. Changes in water temperature and chemistry can negatively impact their populations, leading to a decline in biodiversity. Conservation efforts are essential to protect these tiny yet mighty organisms, as their survival is intertwined with the health of our planet. In conclusion, diatoms (硅藻) are remarkable microorganisms that significantly contribute to our ecosystem and hold potential for various applications. Their beauty, ecological importance, and versatility make them a fascinating subject of study. Understanding and protecting diatoms (硅藻) is crucial for maintaining the balance of our ecosystems and ensuring a sustainable future for generations to come.

硅藻是微小的单细胞藻类，在地球生态系统中发挥着至关重要的作用。这些生物是浮游植物群落的一部分，存在于淡水和海洋环境中。diatoms（硅藻）最引人注目的方面之一是它们独特的细胞壁结构，由二氧化硅组成。这种硅质结构不仅提供保护，还为这些生物的复杂美感做出了贡献。在显微镜下，diatoms（硅藻）展现出各种形状和图案，使它们成为科学家和自然爱好者感兴趣的对象。 硅藻对水生生态系统的健康至关重要。它们进行光合作用，将阳光转化为能量，同时产生氧气作为副产品。实际上，估计diatoms（硅藻）贡献了世界上约20%的氧气供应。这使得它们对于水生生命以及地球上所有生物都至关重要。diatoms（硅藻）在水体中的存在表明环境健康，因为它们在清洁、营养丰富的水域中茁壮成长。 除了生态重要性外，diatoms（硅藻）在各个行业也有实际应用。它们的二氧化硅壳，称为壳体，被用于牙膏、过滤器，甚至作为天然农药。diatoms（硅藻）的化石遗骸可以在沉积岩中找到，作为过去环境条件的指示。科学家研究这些化石，以了解气候变化和历史生态，为我们提供数百万年来地球如何变化的见解。 对diatoms（硅藻）的研究不仅限于它们的生态和工业重要性；还延伸到它们在生物技术中的潜在应用。研究人员正在探索diatoms（硅藻）的基因组，以利用它们的能力来生产生物燃料。考虑到它们快速的生长速率和有效地将阳光转化为能量的能力，diatoms（硅藻）可能成为未来可持续的能源来源。 然而，diatoms（硅藻）面临着污染、气候变化和栖息地破坏的威胁。水温和水化学的变化会对它们的种群产生负面影响，导致生物多样性的下降。保护工作对于保护这些微小而强大的生物至关重要，因为它们的生存与我们星球的健康息息相关。 总之，diatoms（硅藻）是显著的微生物，对我们的生态系统做出了重要贡献，并在各种应用中具有潜力。它们的美丽、生态重要性和多功能性使它们成为一个迷人的研究主题。理解和保护diatoms（硅藻）对于维持我们生态系统的平衡和确保未来几代人的可持续未来至关重要。