rotifer

简明释义

英[ˈrəʊtɪfə(r)]美[ˈroʊtəfər]

n. 轮虫

英英释义

单词用法

同义词

反义词

例句

1.Among 18 bacterial strains isolated from rotifer culture tank, one strain of Pseudomonas, TP4, a vitamin B12 producer, appeared a significant complementary effect on rotifer growth.

共18株细菌分离于轮虫培养池，其中，有一株产维生素b12的假单胞杆菌tp4对轮虫的生长繁殖有明显的促进作用。

2.Among 18 bacterial strains isolated from rotifer culture tank, one strain of Pseudomonas, TP4, a vitamin B12 producer, appeared a significant complementary effect on rotifer growth.

共18株细菌分离于轮虫培养池，其中，有一株产维生素b12的假单胞杆菌tp4对轮虫的生长繁殖有明显的促进作用。

3.In the process of culture rotifer Brachionus plicatilis with Baker's yeast and a certain amount of spiraling algae powder, we add Photosynth-etic Bacteria (PSB) in our experiments.

以面包酵母与一定量螺旋藻粉培养褶皱臂尾轮虫的过程中，添加光合细菌液进行实验。

4.Currently accessible for searching are the recent mollusk files, the invertebrate paleontology files, the rotifer collection and Gary Rosenbergs molluscan species database etc.

当前可以搜寻到的信息包括新近的软体动物门文档、无脊椎动物古生物学文档、轮虫收藏以及加里罗森伯格的软体动物物种数据库等。

5.Recycle system of shrimp culture wastewater was consisted of rotifer pond, deposit pond, bounce-back physical filtrate instrument and biological filtrate pond.

养殖排污水循环处理系统由轮虫净化池、沉淀净化池、反冲式物理过滤装置和生物净化池组成。

6.The results showed that rotifer species number differed significantly in the five lakes with different eutrophication levels (P<0.01).

不同营养水平湖泊中出现的轮虫种类数有明显的差异（P<0.01）。

7.The neonates' starvation-endurance duration of Clone B and D was positively correlated with the body volume of rotifer mother.

克隆B和克隆D轮虫幼体耐饥饿时间与个体体积呈显著正相关关系。

8.The results show that there are protozoa(main infusorian)and mini-metazoa(rotifer and daphnia)communities in PFU.

结果表明：PFU中的原生动物主要是纤毛虫，微型后生动物主要是轮虫和水蚤。

9.Several significant changes were found in the composition of the rotifer, cladoceran and copepod assemblages.

许多重要的变化被发现在轮虫，枝角类和桡足类群体的组成中。

10.Progress in the study of rotifer resting eggs is reviewed.

综述了近年来国内外对轮虫休眠卵的研究概况。

11.The pond was teeming with life, including many types of rotifer 轮虫 that were visible under the microscope.

这个池塘生机勃勃，显微镜下可以看到许多种类的轮虫。

12.Scientists often study rotifers 轮虫 to understand freshwater ecosystems better.

科学家们经常研究轮虫以更好地理解淡水生态系统。

13.In aquaculture, rotifers 轮虫 are used as a live food source for young fish.

在水产养殖中，轮虫被用作幼鱼的活饵。

14.The presence of rotifers 轮虫 in a water sample can indicate its health.

水样中存在的轮虫可以指示水体的健康状况。

15.Some species of rotifers 轮虫 can survive extreme conditions, including desiccation.

某些种类的轮虫能够在极端条件下生存，包括干燥。

作文

The microscopic world is filled with fascinating organisms, one of which is the rotifer. These tiny creatures, often found in freshwater environments, are a marvel of nature. The term rotifer comes from the Latin words 'rota', meaning wheel, and 'ferre', meaning to bear. This nomenclature is quite fitting, as rotifers are known for their unique wheel-like structures called corona, which they use for locomotion and feeding. The corona consists of cilia that beat in a coordinated manner, creating a whirlpool effect that draws in food particles such as algae and bacteria. This feeding mechanism not only highlights the efficiency of rotifers but also their role in aquatic ecosystems as essential contributors to nutrient cycling. Despite their small size, typically ranging from 0.1 to 0.5 millimeters, rotifers exhibit remarkable diversity. There are over 2,000 known species of rotifers, each adapted to specific environmental conditions. Some are benthic, living on the bottom of lakes and ponds, while others are planktonic, drifting in the water column. Their adaptability allows them to thrive in various habitats, from temporary puddles to permanent lakes, and even in extreme environments like hot springs and polar ice caps. Another intriguing aspect of rotifers is their resilience. Many species possess the ability to enter a state of cryptobiosis, allowing them to survive extreme conditions such as desiccation, freezing, and high levels of radiation. During this state, their metabolic processes nearly come to a halt, enabling them to endure unfavorable environments until conditions improve. This extraordinary survival strategy makes rotifers not only fascinating subjects for scientific research but also vital indicators of environmental health. In addition to their ecological significance, rotifers have garnered attention in the field of biotechnology. Researchers are exploring their potential uses in aquaculture and waste treatment systems due to their efficient feeding habits and rapid reproduction rates. By incorporating rotifers into aquaculture systems, farmers can enhance the growth of fish larvae and other aquatic organisms, leading to more sustainable practices. In conclusion, the rotifer is a remarkable organism that plays a crucial role in freshwater ecosystems. Its unique adaptations, diverse species, and resilience make it an important subject of study for ecologists and biotechnologists alike. Understanding the biology and ecology of rotifers not only enriches our knowledge of biodiversity but also underscores the interconnectedness of life in aquatic environments. As we continue to explore the microscopic world, it is essential to appreciate the contributions of these tiny creatures and their significance in maintaining the health of our planet's ecosystems.

微观世界充满了迷人的生物，其中之一就是轮虫。这些微小的生物通常在淡水环境中发现，是自然界的奇迹。轮虫这个词源于拉丁语中的“rota”，意为轮子，以及“ferre”，意为携带。这一命名非常贴切，因为轮虫以其独特的轮状结构——冠轮而闻名，它们用这种结构进行运动和进食。冠轮由纤毛组成，以协调的方式拍打，产生涡流效应，从而吸引食物颗粒，如藻类和细菌。这种进食机制不仅突显了轮虫的高效性，也表明它们在水生生态系统中作为营养循环的重要贡献者。 尽管体型微小，通常在0.1到0.5毫米之间，轮虫却表现出惊人的多样性。已知有超过2000种轮虫，每种都适应特定的环境条件。有些是底栖的，生活在湖泊和池塘的底部，而其他则是浮游的，漂浮在水柱中。它们的适应能力使它们能够在各种栖息地中繁荣生长，从临时水洼到永久湖泊，甚至在极端环境中如热泉和极地冰盖中。 轮虫的另一个引人注目的方面是它们的韧性。许多物种具有进入隐生状态的能力，使它们能够在极端条件下生存，如干燥、冰冻和高辐射水平。在这种状态下，它们的代谢过程几乎停止，使它们能够忍受不利环境，直到条件改善。这一非凡的生存策略不仅使轮虫成为科学研究中引人入胜的对象，也使它们成为环境健康的重要指标。 除了生态意义外，轮虫在生物技术领域也引起了关注。研究人员正在探索它们在水产养殖和废水处理系统中的潜在用途，因其高效的进食习惯和快速的繁殖率。通过将轮虫纳入水产养殖系统，农民可以增强鱼苗和其他水生生物的生长，从而实现更可持续的实践。 总之，轮虫是一种了不起的生物，在淡水生态系统中发挥着至关重要的作用。它独特的适应性、多样的物种和韧性使其成为生态学家和生物技术专家研究的重要对象。了解轮虫的生物学和生态学不仅丰富了我们对生物多样性的认识，还强调了水生环境中生命的相互联系。随着我们继续探索微观世界，欣赏这些微小生物的贡献及其在维护我们星球生态系统健康中的重要性是至关重要的。