liquid nitrogen

简明释义

液态氮

英英释义

例句

1.During the experiment, we cooled the apparatus with liquid nitrogen 液氮 to achieve low temperatures.

在实验过程中，我们用液氮冷却设备以达到低温。

2.The scientists stored the samples in liquid nitrogen 液氮 tanks for long-term preservation.

科学家们将样本存放在液氮罐中以便长期保存。

3.In the laboratory, we use liquid nitrogen 液氮 to preserve biological samples.

在实验室中，我们使用液氮来保存生物样本。

4.Safety goggles are essential when handling liquid nitrogen 液氮 due to its extreme cold.

处理液氮时，安全护目镜是必不可少的，因为它的温度极低。

5.The chef uses liquid nitrogen 液氮 to create instant ice cream.

这位厨师使用液氮制作即食冰淇淋。

作文

Liquid nitrogen is a fascinating substance that has captured the interest of scientists and enthusiasts alike. As a cryogenic liquid, it is nitrogen in its liquid state at an extremely low temperature of about -196 degrees Celsius (-321 degrees Fahrenheit). This property makes liquid nitrogen (液氮) an invaluable tool in various fields, including medicine, food processing, and even physics. One of the most remarkable applications of liquid nitrogen (液氮) is in cryopreservation, where biological samples such as sperm, eggs, and embryos are stored at these frigid temperatures to maintain their viability for future use. This technique has revolutionized reproductive technologies, allowing couples facing infertility to have children through in vitro fertilization (IVF). In addition to its role in medicine, liquid nitrogen (液氮) is also widely used in the culinary world. Chefs have embraced this cryogenic liquid to create innovative dishes that surprise and delight diners. For instance, by rapidly freezing ingredients with liquid nitrogen (液氮), chefs can achieve unique textures and flavors that would be impossible to replicate using traditional cooking methods. The dramatic effect of pouring liquid nitrogen (液氮) over desserts or cocktails, creating a cloud of vapor, adds an element of theatricality to the dining experience. Moreover, liquid nitrogen (液氮) has significant applications in the field of materials science. Researchers utilize this substance to conduct experiments that require extreme cooling. For example, certain materials exhibit superconductivity at very low temperatures, and liquid nitrogen (液氮) provides the necessary environment to explore these phenomena. By cooling materials to the point where they lose all electrical resistance, scientists can develop advanced technologies that have the potential to transform industries, such as transportation and energy. Despite its many benefits, working with liquid nitrogen (液氮) requires caution due to its extremely low temperatures. Safety protocols must be strictly followed to prevent frostbite or other injuries. Protective gear, such as gloves and goggles, is essential when handling liquid nitrogen (液氮). Furthermore, proper ventilation is crucial, as the rapid evaporation of liquid nitrogen (液氮) can displace oxygen in the air, posing a suffocation hazard. In conclusion, liquid nitrogen (液氮) is a remarkable substance with a wide range of applications across various fields. Its ability to create and maintain extremely low temperatures has opened up new possibilities in medicine, culinary arts, and scientific research. As we continue to explore the potential of liquid nitrogen (液氮), it is important to recognize both its benefits and the precautions necessary for safe handling. The future of liquid nitrogen (液氮) holds great promise, and its impact on our world will undoubtedly continue to grow.

液氮是一种引人入胜的物质，吸引了科学家和爱好者的兴趣。作为一种低温液体，它是在极低温度下的氮气，约为-196摄氏度（-321华氏度）。这一特性使得液氮（液氮）成为医学、食品加工甚至物理学等多个领域中不可或缺的工具。液氮（液氮）最显著的应用之一是在冷冻保存中，生物样本如精子、卵子和胚胎在这些低温下储存，以保持其未来使用的活力。这项技术彻底改变了生殖技术，使面临不孕不育的夫妇能够通过体外受精（IVF）拥有孩子。除了在医学中的作用外，液氮（液氮）在烹饪界也被广泛使用。厨师们已经开始利用这种低温液体创造出令人惊叹的创新菜肴。例如，通过快速冷冻食材，厨师们可以获得独特的口感和风味，这些在传统烹饪方法中是无法复制的。将液氮（液氮）倒在甜点或鸡尾酒上，形成一团蒸汽的戏剧效果，为用餐体验增添了一种戏剧性。此外，液氮（液氮）在材料科学领域有着重要的应用。研究人员利用这种物质进行需要极端冷却的实验。例如，某些材料在非常低的温度下表现出超导性，而液氮（液氮）提供了探索这些现象所需的环境。通过将材料冷却到失去所有电阻的程度，科学家们可以开发出具有变革潜力的先进技术，这些技术可能会改变交通和能源等行业。尽管有许多好处，但处理液氮（液氮）时需要谨慎，因为其温度极低。必须严格遵循安全协议，以防止冻伤或其他伤害。在处理液氮（液氮）时，保护装备如手套和护目镜是必不可少的。此外，适当的通风至关重要，因为液氮（液氮）的快速蒸发可能会取代空气中的氧气，造成窒息危险。总之，液氮（液氮）是一种具有广泛应用的非凡物质，涵盖多个领域。它创造和维持极低温度的能力为医学、烹饪艺术和科学研究开辟了新可能性。随着我们继续探索液氮（液氮）的潜力，重要的是要认识到它的优势以及安全处理所需的预防措施。液氮（液氮）的未来充满希望，其对我们世界的影响无疑将继续增长。