technetium

简明释义

英[tekˈniːʃiəm]美[tekˈniːʃiəm]

n. [化学] 锝（放射性元素，位于元素周期表第43位）

英英释义

单词用法

同义词

反义词

例句

1.They both have practical theory, deep technetium customers to recognize and trust.

他们既有理论又有实践，深锝广大客户的认可和信赖。

2.They named it Technetium to emphasize that it was artificially created with technology.

他们把它命名为Technetium，是为了强调它是用人工和技术相结合而创造的。

3.To explore the synthetic methods of phosphine mixed complexes of technetium-99m and look for new heart imaging agents, one N3S ligand (MVNE) and three phosphine ligands were synthesized.

为探索锝膦混配配合物的制备方法，寻找新的心肌显像剂，合成了一个新的N3S配体(MVNE)和3个膦配体。

4."The structure and spectral signatures of these compounds will aid in refining the understanding of technetium incorporation into nuclear waste glasses, " said McCloy.

“这类化合物的结构和光谱特征，有助于我们加深将锝注入核废料玻璃容器的理解，”麦克洛伊说。

5.The common colloid was Patent blue V or 99m-Technetium labeled sulfur colloid.

常用胶体为专利硕土研究生论文蓝及放射性一得标记的胶体。

6.The researchers conducted fundamental chemistry tests to better understand technetium-99 and its unique challenges for storage.

研究人员进行了基础化学实验，了解锝- 99的特性及其存储方面的独特挑战。

7.Researchers are exploring new compounds that include technetium for targeted therapies.

研究人员正在探索包括锝的新化合物用于靶向治疗。

8.The half-life of technetium makes it suitable for medical diagnostics.

锝的半衰期使其适合用于医学诊断。

9.The use of technetium in radiopharmaceuticals has revolutionized patient care.

锝在放射性药物中的使用彻底改变了患者护理。

10.The doctor ordered a scan using technetium to assess the patient's heart function.

医生要求使用锝进行扫描以评估患者的心脏功能。

11.In nuclear medicine, technetium is commonly used for imaging procedures.

在核医学中，锝通常用于成像程序。

作文

Technetium, represented by the symbol Tc, is a fascinating element that holds a unique place in the periodic table. As the first artificially produced element, technetium was discovered in 1937 by Italian scientists Carlo Perrier and Emilio Segrè. This discovery marked a significant milestone in the field of chemistry and nuclear physics, as it demonstrated the potential for creating new elements through artificial means. Technetium is classified as a transition metal and is located in group 7 of the periodic table. It has an atomic number of 43 and is notable for being the lightest element that does not have any stable isotopes. Instead, all of its isotopes are radioactive, which makes technetium particularly interesting for scientific research and practical applications.One of the most important uses of technetium is in the field of medicine, specifically in nuclear medicine. Its most common isotope, technetium-99m, is widely used in diagnostic imaging. This isotope emits gamma rays, which can be detected by special cameras to create detailed images of organs and tissues within the body. The short half-life of technetium-99m, which is about six hours, allows for quick imaging procedures while minimizing the patient's exposure to radiation. This makes technetium a valuable tool in diagnosing various medical conditions, including cancers, heart diseases, and bone disorders.In addition to its medical applications, technetium also plays a role in industrial settings. It is used in radiography, where it helps inspect welds and structures for integrity. The ability of technetium to penetrate materials while emitting radiation makes it ideal for non-destructive testing. Furthermore, technetium is employed in research laboratories as a tracer in studies related to chemical processes and environmental monitoring.Despite its usefulness, technetium is not without challenges. Being a radioactive element, handling technetium requires strict safety protocols to protect workers and the environment from exposure. Additionally, because it is not found in nature in significant quantities, technetium must be produced in nuclear reactors or particle accelerators, which adds complexity to its availability and cost.The study of technetium also raises intriguing questions about the future of nuclear chemistry and the potential for discovering new isotopes. Scientists continue to explore the properties and behaviors of technetium and its isotopes, seeking to uncover new applications and enhance existing technologies. As research progresses, technetium may reveal even more of its secrets, contributing to advancements in medicine, industry, and our understanding of the universe.In conclusion, technetium is a remarkable element with a rich history and a wide range of applications. From its discovery as the first artificially created element to its critical role in modern medicine and industry, technetium exemplifies the intersection of science and technology. As we continue to study and utilize this unique element, we can appreciate its contributions to both our health and our understanding of the physical world. The journey of technetium is a testament to human ingenuity and the ongoing quest for knowledge in the realm of chemistry and beyond.

锝，用符号Tc表示，是一种迷人的元素，在周期表中占据了独特的位置。作为第一个人造元素，锝于1937年由意大利科学家卡洛·佩里耶和埃米利奥·塞格雷发现。这个发现标志着化学和核物理领域的一个重要里程碑，因为它展示了通过人工手段创造新元素的潜力。锝被归类为过渡金属，位于周期表的第7组。它的原子序数为43，并且因没有任何稳定同位素而显得尤为显著。相反，它的所有同位素都是放射性的，这使得锝在科学研究和实际应用中尤其有趣。锝最重要的用途之一是在医学领域，特别是核医学中。其最常见的同位素锝-99m被广泛用于诊断成像。该同位素发出伽马射线，可以被特殊相机检测，以创建体内器官和组织的详细图像。锝-99m的短半衰期（约六小时）允许快速成像程序，同时将患者的辐射暴露降至最低。这使得锝成为诊断各种医疗条件（包括癌症、心脏病和骨骼疾病）的宝贵工具。除了医学应用外，锝还在工业环境中发挥作用。它用于射线照相技术，帮助检查焊缝和结构的完整性。锝能够穿透材料并发出辐射，使其非常适合无损检测。此外，锝还被用于研究实验室，作为化学过程和环境监测相关研究中的示踪剂。尽管锝非常有用，但也面临挑战。作为一种放射性元素，处理锝需要严格的安全协议，以保护工人和环境免受辐射暴露。此外，由于在自然界中没有显著数量的存在，锝必须在核反应堆或粒子加速器中生产，这增加了其可用性和成本的复杂性。对锝的研究还引发了关于核化学未来及发现新同位素的有趣问题。科学家们继续探索锝及其同位素的性质和行为，寻求揭示新的应用并增强现有技术。随着研究的进展，锝可能会揭示更多秘密，为医学、工业及我们对宇宙的理解做出贡献。总之，锝是一种出色的元素，具有丰富的历史和广泛的应用。从作为第一个人造元素的发现，到在现代医学和工业中的关键角色，锝体现了科学与技术的交汇点。随着我们继续研究和利用这一独特元素，我们可以欣赏它对我们健康和对物理世界理解的贡献。锝的旅程是人类创造力和在化学及其他领域不断追求知识的证明。