ureas

简明释义

英[ˈjʊərɪəs]美[ˈjʊərɪəs]

n. 尿素酶；尿素塑料

英英释义

单词用法

同义词

反义词

例句

1.Results also showed that the molecular weight of PEG flexible spacers in chain-extended ureas basically had no influence on the reactive activity of the ureas.

扩链脲的反应活性基本不受分子中聚乙二醇链段分子量的影响。

2.The third chapter was devoted to the study of quantitative structure-activity relationship(QSAR) for indazolyl ureas as TRPV1 antagonists.

第三章致力于吲唑脲类辣椒素受体（TRPV1）通道拮抗剂的定量构效关系（QSAR）研究。

3.Eight substituted ureas herbicides were synthesized with bis(trichloromethyl) carbonate(BTC). The production structures were identified by elemental analysis and IR.

用二（三氯甲基）碳酸酯（BTC）代替光气，“一锅法”合成了8种取代脲类除草剂，产物结构经元素分析、IR确证。

4.By retrieving concerned Literatures, this article discussed comprehensively the biological activities of phenyl ureas, acyl ureas and tetrazoles.

本文通过检索文献，对苯脲类、酰基脲类、酰基硫脲类及四唑类化合物的生物活性作了系统的论述。

5.The invention relates to novel specifically trifluoromethyl and halogen substituted 1,3-diphenyl ureas and their use as active ingredients in the preparation of pharmaceutical compositions.

本发明涉及新的特别由三氟甲基和卤素取代的1，3-二苯基脲，以及它们在药物组合物的制备中作为活性成分的用途。

6.The result of the test shows that the activity against the plant pathogen fungi of most of the tested compounds is better than that of Benzoylphenyl Ureas as the control (PH6042).

实验结果表明大部分 被测试化合物的抗植物病原体真菌活性优于对照品灭幼唑（PH6042）。

7.The invention relates to novel specifically trifluoromethyl and halogen substituted 1,3-diphenyl ureas and their use as active ingredients in the preparation of pharmaceutical compositions.

本发明涉及新的特别由三氟甲基和卤素取代的1，3-二苯基脲，以及它们在药物组合物的制备中作为活性成分的用途。

8.A new process for the synthesis of ureas based on the selective REDOX carbonylation of amine and nitro compounds was described.

本文概述了胺硝基物选择氧化还原羰基化生成脲的新工艺路线。

9.The doctor explained that high levels of ureas 尿素 in the blood could indicate kidney problems.

医生解释说，血液中高水平的ureas尿素可能表明肾脏问题。

10.The lab test showed elevated ureas 尿素, which prompted further investigation.

实验室测试显示ureas尿素升高，这促使进行进一步检查。

11.A diet rich in protein can increase ureas 尿素 production in the body.

富含蛋白质的饮食会增加体内ureas尿素的产生。

12.Doctors often monitor ureas 尿素 levels in patients with liver disease.

医生通常监测肝病患者的ureas尿素水平。

13.Dehydration can lead to higher concentrations of ureas 尿素 in urine.

脱水会导致尿液中ureas尿素浓度升高。

作文

The human body is a complex system that requires various substances to function properly. One of the essential components produced during the metabolic process is ureas (尿素). These compounds play a critical role in the removal of waste from the body, particularly nitrogenous waste that results from protein metabolism. Understanding the significance of ureas can provide insights into how our bodies maintain homeostasis and overall health.When proteins are consumed, they are broken down into amino acids, which are then utilized for various functions such as building tissues and producing enzymes. However, the breakdown of amino acids also produces ammonia, a toxic substance that must be eliminated. The liver converts this ammonia into ureas (尿素), which is far less toxic and can be safely transported through the bloodstream to the kidneys.The kidneys filter the blood, removing excess ureas (尿素) along with other waste products, which are then excreted from the body in urine. This process is vital for preventing the accumulation of harmful substances in the body, thereby protecting our organs and maintaining a stable internal environment.In addition to its role in waste elimination, ureas (尿素) also has implications in various medical conditions. For instance, elevated levels of ureas (尿素) in the blood can indicate kidney dysfunction or dehydration. Healthcare professionals often measure blood urea nitrogen (BUN) levels to assess kidney health and diagnose potential issues. Thus, understanding ureas (尿素) is not only important for biological processes but also for clinical assessments.Moreover, ureas (尿素) is not just a byproduct of metabolism; it is also utilized in fertilizers and various industrial applications. In agriculture, ureas (尿素) serves as a nitrogen source for plants, promoting growth and increasing crop yields. Its widespread use in farming highlights the compound's importance beyond human physiology.As we delve deeper into the study of ureas (尿素), we uncover its multifaceted roles in both health and industry. Research continues to explore how manipulating ureas (尿素) levels can lead to better health outcomes, as well as how its application in agriculture can be optimized for sustainable practices. Understanding this compound is crucial not only for biochemistry but also for environmental science and nutrition.In conclusion, ureas (尿素) is a vital component of human metabolism, serving as a means to eliminate toxic waste while also having significant implications in medicine and agriculture. By studying ureas (尿素), we gain a better understanding of our bodies and the environment, highlighting the interconnectedness of biological systems and their impact on human health and sustainability. As we advance our knowledge in these areas, we can develop better strategies for health management and agricultural practices, ultimately leading to improved quality of life and environmental stewardship.

人类身体是一个复杂的系统，需要各种物质才能正常运作。在新陈代谢过程中产生的必需成分之一是ureas（尿素）。这些化合物在排除体内废物方面起着关键作用，特别是由于蛋白质代谢而产生的氮类废物。理解ureas的重要性可以提供关于我们身体如何维持内环境稳定和整体健康的见解。当摄入蛋白质时，它们被分解为氨基酸，然后用于构建组织和产生酶等各种功能。然而，氨基酸的分解还会产生氨，一种必须消除的有毒物质。肝脏将这种氨转化为ureas（尿素），后者毒性较小，可以安全地通过血液运输到肾脏。肾脏过滤血液，去除多余的ureas（尿素）以及其他废物，然后以尿液的形式排出体外。这个过程对于防止有害物质在体内积累至关重要，从而保护我们的器官并维持稳定的内部环境。除了在废物消除中的作用外，ureas（尿素）在各种医学条件中也具有重要意义。例如，血液中ureas（尿素）水平升高可能表明肾功能障碍或脱水。医疗专业人员通常测量血尿素氮（BUN）水平来评估肾脏健康并诊断潜在问题。因此，理解ureas（尿素）不仅对生物过程重要，也对临床评估至关重要。此外，ureas（尿素）不仅是代谢的副产品；它还用于肥料和各种工业应用。在农业中，ureas（尿素）作为植物的氮源，促进生长并提高作物产量。它在农业中的广泛使用突显了该化合物超越人类生理的重要性。随着我们深入研究ureas（尿素），我们揭示了其在健康和工业中的多重角色。研究继续探索如何操纵ureas（尿素）水平可以带来更好的健康结果，以及如何优化其在农业中的应用以实现可持续实践。理解这一化合物不仅对生物化学至关重要，还对环境科学和营养学具有重要意义。总之，ureas（尿素）是人类新陈代谢的重要组成部分，作为消除有毒废物的一种手段，同时在医学和农业中也具有重要意义。通过研究ureas（尿素），我们对自身和环境有了更好的理解，突显了生物系统之间的相互联系及其对人类健康和可持续发展的影响。随着我们在这些领域知识的提升，我们可以制定更好的健康管理和农业实践策略，最终提高生活质量和环境管理。