ketones

简明释义

英[ˈkiːtəʊnz]美[ˈkiːtoʊnz]

n. 酮类（ketone 的复数）

英英释义

单词用法

同义词

反义词

例句

1.Not recommended for use in chemical acid, nitro hydrocarbons, esters, ketones and compounds in chloroform.

不建议使用于强酸、硝基烃、酯类、氯仿及酮类的化学物之中。

2.Chiral carbonyl iron systems have seldom been used in asymmetric transfer hydrogenation of aromatic ketones.

手性羰基铁络合物很少被用于芳香酮的不对称氢转移氢化。

3.Ludwig said ketones seem to have unique effects on the brain.

路德维希博士说，酮似乎对大脑有种特殊影响。

4.Do not recommend the use of low molecular weight in ketones, esters and mixtures containing nitrate.

不建议使用于酮类、低分子量的酯类及含硝的混合物。

5.Catalytic actiVity of Nickel complexes in the cross-coupling reaction for forming C-C bond have been studied. Gived spectra analysis date of ketones.

本文就镍结合物在形成碳-碳键交叉偶联反应中的性能及活性做了探索和研究。并对合成产物进行了光谱分析及测试。

6.REDOX Relationships amongst Alcohols, Aldehydes and Ketones and Carboxylic acids.

醇，醛与酮和羧酸之间的氧化还原关系。

7.The application of supported catalysts in the oxidation of olefins to aldehyde and ketones was reviewed.

总结了固载化催化剂在烯烃氧化合成醛酮中的应用。

8.He suggests Oscar is able - like dogs, which can reportedly smell cancer - to detect ketones, the distinctly-odoured biochemicals given off by dying cells.

他暗示奥斯卡有能力探测出正在死亡的细胞产生的酮——就像报道过的那只能闻出癌症的狗一样。

9.It is a kind of important reaction to prepare ketones through gas-solid catalysis.

气固催化法制备酮类化合物是一类重要的反应。

10.High levels of ketones (酮体) can indicate that someone is in a state of ketosis.

高水平的ketones（酮体）可能表明某人处于酮症状态。

11.Some athletes use ketones (酮体) to enhance their performance during endurance events.

一些运动员使用ketones（酮体）来提高他们在耐力赛事中的表现。

12.During the ketogenic diet, the body produces more ketones (酮体) as a source of energy.

在生酮饮食中，身体产生更多的ketones（酮体）作为能量来源。

13.When fasting, the liver produces more ketones (酮体) to provide energy for the brain.

禁食时，肝脏产生更多的ketones（酮体）为大脑提供能量。

14.A blood test can measure the concentration of ketones (酮体) in the bloodstream.

血液检测可以测量血液中ketones（酮体）的浓度。

作文

Ketones are organic compounds that play a significant role in human metabolism and have gained considerable attention in recent years, especially in the context of dietary practices and health. When the body is in a state of low carbohydrate availability, such as during fasting or following a ketogenic diet, it begins to produce ketones (酮) as an alternative energy source. This process is known as ketogenesis, which occurs primarily in the liver. The three main types of ketones (酮) produced are acetoacetate, beta-hydroxybutyrate, and acetone. These compounds can be utilized by various tissues in the body, including the brain, heart, and muscles, providing them with the energy they need to function efficiently.The significance of ketones (酮) extends beyond just being an energy source. Research has indicated that they may have therapeutic benefits for certain medical conditions. For example, the ketogenic diet, which emphasizes high-fat and low-carbohydrate intake, has been shown to be effective in managing epilepsy, particularly in children who do not respond well to conventional treatments. This diet helps to stabilize neuronal activity and reduce the frequency of seizures, highlighting the potential of ketones (酮) in clinical settings.Moreover, there is growing interest in the effects of ketones (酮) on weight management and metabolic health. Many individuals adopt ketogenic diets to promote fat loss and improve insulin sensitivity. By shifting the body’s primary fuel source from glucose to ketones (酮), people may experience reduced hunger and cravings, leading to a decrease in overall caloric intake. This shift can also lead to improved blood sugar control, making it a viable option for those with type 2 diabetes.However, it is essential to approach the use of ketones (酮) and ketogenic diets with caution. While some individuals may thrive on this dietary approach, others may experience negative side effects, such as the 'keto flu,' which can include fatigue, headaches, and irritability during the initial transition period. Additionally, long-term adherence to a ketogenic diet may not be suitable for everyone, and it is crucial to consider individual health conditions and nutritional needs.In conclusion, ketones (酮) are vital compounds in our metabolism that serve as an alternative energy source when carbohydrates are scarce. Their potential benefits in managing epilepsy, aiding weight loss, and improving metabolic health have made them a topic of great interest in both scientific research and popular culture. However, understanding the implications of adopting a diet high in ketones (酮) requires careful consideration and, ideally, guidance from healthcare professionals. As we continue to explore the complexities of human nutrition and metabolism, the role of ketones (酮) will undoubtedly remain a focal point of investigation and discussion.

酮是有机化合物，在人体代谢中发挥着重要作用，近年来因饮食习惯和健康问题而受到广泛关注。当身体处于低碳水化合物供应状态时，例如禁食或遵循生酮饮食，便会开始产生酮（ketones）作为替代能量来源。这个过程被称为酮生成，主要发生在肝脏中。产生的三种主要酮（ketones）是乙酰乙酸、β-羟基丁酸和丙酮。这些化合物可以被身体的各种组织利用，包括大脑、心脏和肌肉，为它们提供所需的能量。酮（ketones）的重要性不仅仅在于它们作为能量来源。研究表明，它们可能对某些疾病具有治疗益处。例如，生酮饮食强调高脂肪和低碳水化合物的摄入，已被证明对管理癫痫有效，特别是在对传统治疗无反应的儿童中。这种饮食有助于稳定神经活动，减少癫痫发作的频率，突显了酮（ketones）在临床环境中的潜力。此外，人们对酮（ketones）对体重管理和代谢健康的影响越来越感兴趣。许多人采用生酮饮食来促进脂肪减少和改善胰岛素敏感性。通过将身体的主要燃料来源从葡萄糖转变为酮（ketones），人们可能会经历饥饿感和渴望的减少，从而降低整体热量摄入。这种转变还可以改善血糖控制，使其成为2型糖尿病患者的可行选择。然而，使用酮（ketones）和生酮饮食时必须谨慎。虽然某些个体可能在这种饮食方式下表现良好，但其他人可能会经历负面副作用，例如“酮流感”，其症状包括疲劳、头痛和在初期过渡期间的易怒。此外，长期坚持生酮饮食可能并不适合所有人，考虑个体健康状况和营养需求至关重要。总之，酮（ketones）是我们代谢中至关重要的化合物，当碳水化合物稀缺时，它们充当替代能量来源。它们在管理癫痫、帮助减肥和改善代谢健康方面的潜在益处使其成为科学研究和大众文化中备受关注的话题。然而，理解采用高酮（ketones）饮食的影响需要谨慎考虑，并且理想情况下应得到医疗专业人士的指导。随着我们继续探索人类营养和代谢的复杂性，酮（ketones）在未来无疑将成为研究和讨论的重点。