limulus

简明释义

英[ˈlɪmjʊləs]美[ˈlɪmjələs]

n. 鲎

英英释义

单词用法

同义词

反义词

例句

1.OBJECTIVE the kinetic turbidimetric limulus test was used in the endotoxin assay of Puer arin injection.

采用改良基质显色法鲎试验测定血浆内毒素含量。

2.Serum endotoxin was determined by limulus ameobatic chromogenic assay.

内毒素测定采用鲎试验偶氮基质显色法。

3.Results:The injection did not interfere with limulus agent in 5 times diluted concentration.

结果：丹芪注射液经5倍稀释后对鲎试剂反应无干扰作用。

4.Endotoxin concentrations in the plasma of rats and human body were measured through limulus test.

用鲎试剂法测定用药后大鼠和人体血浆内毒素的含量变化。

5.Objective: the kinetic turbidimetric limulus test was used in the endotoxin assay of Shen Mai injection.

目的：应用动态比浊法鲎试验定量测定参麦注射液的细菌内毒素含量。

6.Objective: to establish a method of bacterial endotoxin test for fluconazole and glucose injection using limulus lysate a-gent.

前言：目的：建立用鲎试剂检查氟康唑葡萄糖注射液细菌内毒素的方法。

7.The results obtained by the limulus amebocyte lysate test were the same with those from the biosensor technique.

鲎试验结果与生物传感器测定结果基本一致。

8.The study of limulus is crucial for understanding ancient marine ecosystems.

对limulus的研究对于理解古代海洋生态系统至关重要。

9.Scientists are using limulus blood to develop new medical tests.

科学家们正在利用limulus的血液开发新的医学测试。

10.The limulus is often referred to as a living fossil due to its long evolutionary history.

由于其悠久的进化历史，limulus通常被称为活化石。

11.During our beach trip, we spotted a limulus crawling along the shore.

在我们的海滩旅行中，我们看到一只limulus在海岸上爬行。

12.The unique features of limulus make it an interesting subject for biological research.

由于其独特的特征，limulus成为生物研究的有趣对象。

作文

The ocean is a vast and mysterious place, home to countless creatures that have adapted to their environments over millions of years. Among these fascinating beings is the limulus, commonly known as the horseshoe crab. This ancient marine animal has existed for nearly 450 million years, making it one of the oldest living species on Earth. The limulus is not actually a crab, but rather belongs to a different class of animals called Merostomata, which are more closely related to spiders and scorpions than to true crabs. One of the most interesting aspects of the limulus is its unique physiology. The horseshoe crab has a hard exoskeleton, which protects its body from predators and environmental hazards. Its distinctive shape, resembling a horseshoe, gives it its name. The limulus has ten legs, which it uses for walking along the ocean floor, and a long tail spine that helps it to flip itself over if it gets turned upside down. The limulus plays a crucial role in the marine ecosystem. It feeds on small mollusks and other benthic organisms, helping to maintain the balance of the underwater food web. Additionally, the eggs of the limulus are an important food source for many species of birds, particularly during their migration periods. These eggs are laid in large numbers on sandy beaches, where they hatch into larvae that eventually grow into adult horseshoe crabs. Another remarkable feature of the limulus is its blue blood, which contains a unique substance called hemocyanin. This copper-based molecule is what gives the blood its blue color and allows the limulus to transport oxygen efficiently in low-oxygen environments. The blood of the limulus has also become invaluable in the medical field. It is used to test for bacterial contamination in vaccines and medical equipment, as it reacts to even the smallest traces of harmful bacteria. Despite its importance, the limulus faces several threats due to human activities. Overfishing, habitat destruction, and climate change are all contributing to declining populations of this ancient creature. Conservation efforts are underway to protect the limulus and its habitats, but it requires a collective effort from individuals, communities, and governments to ensure its survival. In conclusion, the limulus is a remarkable creature that has withstood the test of time. Its unique adaptations and ecological significance make it an essential part of our planet's biodiversity. By understanding and protecting the limulus, we are also safeguarding the health of our oceans and the myriad of life forms that depend on them. As stewards of the environment, it is our responsibility to ensure that future generations can also marvel at the wonders of the limulus and the ecosystems it inhabits.

海洋是一个广阔而神秘的地方，栖息着无数适应其环境的生物，这些生物经过数百万年的演变而形成。在这些迷人的生物中，有一种名为limulus的动物，通常被称为马蹄蟹。这种古老的海洋动物已经存在了近4.5亿年，使其成为地球上最古老的生物之一。limulus实际上并不是一种螃蟹，而是属于另一类动物——古生物亚门，与蜘蛛和蝎子更为接近，而非真正的螃蟹。 limulus最有趣的方面之一是其独特的生理结构。马蹄蟹有一个坚硬的外骨骼，保护它的身体免受捕食者和环境危害。其独特的形状类似马蹄，因此得名。limulus有十条腿，用于在海底行走，还有一条长尾刺，帮助它翻身，如果它翻倒的话。 limulus在海洋生态系统中扮演着至关重要的角色。它以小型软体动物和其他底栖生物为食，帮助维持水下食物网的平衡。此外，limulus的卵是许多鸟类的重要食物来源，尤其是在迁徙期间。这些卵在沙滩上大量产卵，孵化出的幼虫最终成长为成年马蹄蟹。 limulus的另一个显著特点是其蓝色血液，含有一种叫做青铜蛋白的独特物质。这种基于铜的分子使血液呈现蓝色，并能在低氧环境中有效运输氧气。limulus的血液在医学领域也变得不可或缺。它用于检测疫苗和医疗设备中的细菌污染，因为它对有害细菌的微量反应。 尽管limulus非常重要，但由于人类活动，它面临着几种威胁。过度捕捞、栖息地破坏和气候变化都在导致这一古老生物的数量下降。保护措施正在进行中，以保护limulus及其栖息地，但这需要个人、社区和政府的共同努力，以确保其生存。 总之，limulus是一种令人惊叹的生物，经受住了时间的考验。其独特的适应性和生态意义使其成为我们星球生物多样性的重要组成部分。通过理解和保护limulus，我们也在维护我们海洋的健康以及依赖于它们的众多生命形式。作为环境的管理者，我们有责任确保未来的世代也能惊叹于limulus及其栖息地生态系统的奇迹。