liquid nitrogen

简明释义

液体氮

英英释义

例句

1.In cryogenics, researchers often use liquid nitrogen (液氮) to cool materials to extremely low temperatures.

在低温技术中，研究人员经常使用液氮 (液氮)来将材料冷却到极低的温度。

2.The chef used liquid nitrogen (液氮) to create instant ice cream at the restaurant.

厨师在餐厅使用液氮 (液氮)制作即食冰淇淋。

3.The physics lab uses liquid nitrogen (液氮) to demonstrate the effects of extreme cold.

物理实验室使用液氮 (液氮)来演示极寒的效果。

4.During the experiment, the team carefully handled liquid nitrogen (液氮) to avoid frostbite.

在实验过程中，团队小心处理液氮 (液氮)以避免冻伤。

5.When preserving biological samples, scientists rely on liquid nitrogen (液氮) for long-term storage.

在保存生物样本时，科学家依赖于液氮 (液氮)进行长期储存。

作文

Liquid nitrogen is a fascinating substance that has captivated the interest of scientists and enthusiasts alike. It is nitrogen in a liquid state at an extremely low temperature, specifically below -196 degrees Celsius (-321 degrees Fahrenheit). The unique properties of liquid nitrogen make it an essential tool in various fields, including medicine, engineering, and culinary arts. One of the most significant uses of liquid nitrogen is in cryopreservation, where biological samples such as cells, tissues, and even entire organisms can be preserved for future use. By freezing these samples in liquid nitrogen, researchers can maintain their viability for extended periods, allowing for advancements in medical research and biotechnology.In the realm of medicine, liquid nitrogen is also utilized in cryotherapy, a treatment method that involves freezing abnormal tissues to destroy them. This technique is particularly effective for treating skin conditions like warts, moles, and some precancerous lesions. The extreme cold of liquid nitrogen rapidly freezes the targeted area, leading to cell death and subsequent healing. As a result, patients benefit from a minimally invasive procedure with minimal recovery time.Beyond its medical applications, liquid nitrogen has made a significant impact on the culinary world. Chefs have started to embrace this cryogenic substance to create innovative dishes that surprise and delight diners. For instance, liquid nitrogen can be used to instantly freeze ingredients, creating unique textures and flavors. One popular technique is making ice cream using liquid nitrogen, which allows for a smoother and creamier product due to the rapid freezing process. This culinary magic not only enhances the dining experience but also showcases the versatility of liquid nitrogen in the kitchen.Moreover, liquid nitrogen plays a crucial role in the field of engineering, particularly in the manufacturing of superconductors and the testing of materials. Superconductors are materials that can conduct electricity without resistance at very low temperatures. To achieve these low temperatures, engineers often utilize liquid nitrogen to cool the materials, enabling them to exhibit superconductivity. This application is vital for developing advanced technologies, such as magnetic resonance imaging (MRI) machines and particle accelerators.While liquid nitrogen offers numerous benefits, it is essential to handle it with care due to its extremely low temperature. Direct contact with skin can result in severe frostbite or cold burns. Therefore, safety precautions must be taken when working with liquid nitrogen. Protective gear, such as gloves and goggles, should always be worn to prevent accidents.In conclusion, liquid nitrogen is a remarkable substance with a wide range of applications across various fields. Its ability to preserve biological samples, treat medical conditions, create culinary masterpieces, and aid in engineering innovations highlights its significance in our modern world. As we continue to explore the potential of liquid nitrogen, it is crucial to respect its power and handle it responsibly. The future holds exciting possibilities as we harness the capabilities of this extraordinary liquid, paving the way for new discoveries and advancements in science and technology.

液氮是一种迷人的物质，吸引了科学家和爱好者的兴趣。它是在极低温度下的液态氮，具体而言，温度低于-196摄氏度（-321华氏度）。液氮的独特性质使其成为医学、工程和烹饪艺术等多个领域的重要工具。液氮最显著的用途之一是冷冻保存，在这一过程中，生物样本如细胞、组织甚至整个生物体可以被保存以供将来使用。通过在液氮中冷冻这些样本，研究人员可以保持其活性，从而推动医学研究和生物技术的发展。在医学领域，液氮也被用于冷冻治疗，这是一种涉及将异常组织冷冻以摧毁它们的治疗方法。这种技术对于治疗皮肤病，如疣、痣和一些癌前病变特别有效。液氮的极低温度迅速冻结目标区域，导致细胞死亡和随后的愈合。因此，患者受益于一种微创的程序，恢复时间极少。除了医学应用，液氮在烹饪界也产生了重大影响。厨师们开始接受这种低温物质，创造出令人惊讶和愉悦的创新菜肴。例如，液氮可以用来瞬间冷冻食材，创造独特的口感和风味。一种流行的技术是使用液氮制作冰淇淋，由于快速冷冻过程，这种冰淇淋能更顺滑、更奶油状。这种烹饪魔法不仅增强了用餐体验，还展示了液氮在厨房中的多功能性。此外，液氮在工程领域中扮演着重要角色，特别是在超导体的制造和材料测试方面。超导体是能够在非常低的温度下无阻力地导电的材料。为了达到这些低温，工程师通常利用液氮来冷却材料，使其表现出超导性。这一应用对于开发先进技术至关重要，例如磁共振成像（MRI）机器和粒子加速器。虽然液氮提供了许多好处，但由于其极低的温度，处理时必须小心。与皮肤直接接触可能会导致严重的冻伤或冷烧。因此，在使用液氮时必须采取安全预防措施。应始终佩戴保护装备，例如手套和护目镜，以防止事故发生。总之，液氮是一种具有广泛应用的非凡物质。它在保存生物样本、治疗医疗条件、创造烹饪杰作以及帮助工程创新方面的能力突显了它在现代世界中的重要性。随着我们继续探索液氮的潜力，尊重其力量并负责任地处理它至关重要。未来在利用这种非凡液体的能力时，将会有激动人心的可能性，为科学和技术的新发现和进步铺平道路。