pristane

简明释义

英[ˈprɪsteɪn]美[ˈprɪsteɪn]

n. 姥鲛烷；朴日斯烷

英英释义

单词用法

同义词

反义词

例句

1.The features of the biomarkers in the oil are of relatively low abundance of isoprenoidies, and no preference between pristane and phytane.

生物标志物中类异戊二烯含量较低、植烷与姥鲛烷均势；

2.The features of the biomarkers in the oil are of relatively low abundance of isoprenoidies, and no preference between pristane and phytane.

生物标志物中类异戊二烯含量较低、植烷与姥鲛烷均势；

3.The presence of pristane (青霉烯) in the samples was indicative of ancient marine ecosystems.

样本中存在的pristane（青霉烯）表明古代海洋生态系统的存在。

4.The researchers found that the presence of pristane (青霉烯) in the sediment indicated ancient biological activity.

研究人员发现，沉积物中存在pristane（青霉烯）表明古代生物活动。

5.The analysis revealed high levels of pristane (青霉烯) in the marine sediments, suggesting a significant input of organic matter.

分析显示海洋沉积物中含有高水平的pristane（青霉烯），这表明有机物质的显著输入。

6.Scientists often measure pristane (青霉烯) concentrations to assess environmental changes over time.

科学家们常常测量pristane（青霉烯）浓度，以评估环境变化。

7.In petroleum geology, pristane (青霉烯) is often used as a biomarker for oil source rock.

在石油地质学中，pristane（青霉烯）常被用作油源岩的生物标志物。

作文

In the realm of organic chemistry, certain compounds hold significant importance due to their unique properties and applications. One such compound is pristane, a saturated hydrocarbon that is often encountered in various biochemical processes. Pristane is a branched-chain alkane with the formula C19H40, which can be derived from the degradation of phytol, a component of chlorophyll. Its structure comprises a long hydrocarbon chain, making it hydrophobic, and it is often found in the lipid profiles of certain organisms, including fish liver oils and some terrestrial animals.The significance of pristane extends beyond its chemical structure; it plays a crucial role in the study of biomarkers in environmental science and biochemistry. For instance, the presence of pristane in sedimentary deposits can indicate specific geological and biological processes that have occurred over time. Researchers utilize the concentration of pristane in sediment to reconstruct past environmental conditions, which can provide insights into climate change and ecosystem shifts.Moreover, pristane has garnered attention in the field of medicine as well. It has been studied for its potential immunomodulatory effects, particularly in relation to autoimmune diseases. Some studies suggest that pristane may influence the activation of immune cells, thereby affecting the progression of certain conditions. This has led to further investigations into how pristane could potentially be used in therapeutic applications, highlighting its versatility as a compound.In addition to its biological relevance, pristane is also utilized in industrial applications. It serves as a solvent and is used in the formulation of various products, ranging from cosmetics to lubricants. The unique properties of pristane make it an ideal candidate for these applications, as it is stable and exhibits low toxicity, making it a safer alternative to other solvents that may pose health risks.As we delve deeper into the world of pristane, it becomes evident that this compound is more than just a simple hydrocarbon. Its multifaceted roles in nature and industry underscore the interconnectedness of chemical compounds and their impact on our environment and health. Understanding pristane not only enhances our knowledge of organic chemistry but also opens doors to potential innovations in various fields, including environmental science, medicine, and industrial chemistry.In conclusion, pristane is a remarkable compound that exemplifies the complexity and utility of hydrocarbons in both natural and synthetic processes. As research continues to uncover its various applications and implications, pristane will undoubtedly remain a subject of interest for scientists and researchers aiming to explore the depths of organic chemistry and its practical uses. Whether through its role as a biomarker in environmental studies or its potential therapeutic benefits, pristane represents a fascinating intersection of science and application, emphasizing the importance of understanding the compounds that shape our world.

在有机化学领域，某些化合物因其独特的性质和应用而具有重要意义。其中一个这样的化合物是pristane，一种饱和烃，常在各种生化过程中遇到。Pristane是一种支链烷烃，化学式为C19H40，可以从叶绿素的成分——植物醇的降解中获得。它的结构包括一条长的烃链，使其疏水，通常存在于某些生物体的脂质谱中，包括鱼肝油和一些陆生动物。Pristane的重要性不仅仅体现在其化学结构上；它在环境科学和生物化学的生物标志物研究中发挥着关键作用。例如，沉积物中pristane的存在可以指示特定的地质和生物过程。研究人员利用沉积物中pristane的浓度重建过去的环境条件，这可以提供气候变化和生态系统变化的见解。此外，pristane在医学领域也引起了关注。它被研究其潜在的免疫调节作用，特别是在自身免疫疾病方面。一些研究表明，pristane可能会影响免疫细胞的激活，从而影响某些疾病的进展。这导致进一步研究pristane在治疗应用中的潜力，突显了其作为化合物的多样性。除了生物相关性外，pristane还用于工业应用。它作为溶剂，并用于各种产品的配方，从化妆品到润滑剂。Pristane的独特性质使其成为这些应用的理想选择，因为它稳定且毒性低，是其他可能对健康构成风险的溶剂的更安全替代品。当我们深入了解pristane的世界时，显然这个化合物不仅仅是一个简单的烃。它在自然和工业中的多面角色突显了化合物之间的相互联系及其对我们环境和健康的影响。理解pristane不仅增强了我们对有机化学的认识，还为环境科学、医学和工业化学等多个领域的潜在创新开辟了新途径。总之，pristane是一个非凡的化合物，体现了烃在自然和合成过程中的复杂性和实用性。随着研究不断揭示其各种应用和影响，pristane无疑将继续成为科学家和研究人员探索有机化学及其实际用途的兴趣主题。无论是通过其作为环境研究中的生物标志物的角色，还是其潜在的治疗益处，pristane代表了科学与应用的迷人交集，强调了理解塑造我们世界的化合物的重要性。