glycols

简明释义

英[ˈɡlaɪkɒlz]美[ˈɡlaɪkɑːlz]

n. 乙二醇，二醇类；甘油醇（glycol 复数）

英英释义

单词用法

同义词

反义词

例句

1.Over seven months, he tried more than 200 liquid coolants, from mineral oil to antifreeze-type glycols.

几个月后，他尝试了超过200中冷却液，从矿物油到防冻液乙二醇。

2.Polyethylene glycols can be used as effective phase transfer catalyst in halogen exchange fluorination.

聚乙二醇可作为卤素交换氟化反应有效的相转移催化剂。

3.The ultra-molecule of polyethylene glycols(PEG)has some extent phase change after heating and cooling cycles. The change of macroscopical properties leads to special thermal activity.

在对聚乙二醇（PEG）进行冷热循环处理时，其超分子结构会发生某种相的转变，从而改变宏观性质而具有特殊的蓄热调温性能。

4.A series of polymerizable nonionic urethane surfactants were synthesized with 2, 4-tolylene di-iso-cyanate (2, 4-tdi), polyethylene glycols (PEG) of different molecular weight and allyl alcohol.

本文采用丙烯醇、不同分子量聚乙二醇(PEG)以及2,4 -甲苯二异氰酸酯(2,4 -TDI)为主要原料合成了系列不同分子量的非离子型可聚合聚氨酯表面活性剂。

5.The reactions are selectively compatible with such diverse slurry additives as alcohols, glycols, glycerol, urea, formamide.

与醇类，二醇类，丙三醇，尿素，甲酰胺各种浆液附加物进行反应时，在相言性方面是有选择性的。

6.Immobilized lipase from Candida sp. 9 on trueran was used to catalyze fatty acids and polyethylene glycols (PEGs) to form the corresponding esters.

固定化假丝酵母(Candidasp .) -9脂肪酶催化脂肪酸和不同聚合度的乙二醇形成酯。

7.Increasing consumption of E-series glycol ether, glycols, and solvents in diverse application areas is one of the most significant factors driving the growth of the E-series glycol ethers market.

确实各种用途的E系列乙二醇醚，乙二醇，溶剂的消费量的扩大促进该市场的成长。

8.A new process of Hydration of propylene oxide to glycols was introduced.

采用反应精馏新工艺由环氧丙烷水合制丙二醇。

9.Objective To develop a quantitative method for the determination of chlorampenicol and related substances, such as glycols and p-nitrobenzaldehyde, in chlorampenicol eye drops by RP-HPLC.

目的采用反相高效液相色谱（RP-HPLC）法测定氯霉素滴眼液中氯霉素的含量及有关物质中二醇物和对硝基苯甲醛的含量。

10.Many antifreeze products contain various types of glycols (醇类) to lower the freezing point of water.

许多防冻产品含有不同类型的glycols（醇类），以降低水的冰点。

11.In the cosmetics industry, glycols (醇类) are often used as humectants to retain moisture.

在化妆品行业，glycols（醇类）通常用作保湿剂，以保持水分。

12.The production of plastics frequently utilizes glycols (醇类) as a key ingredient.

塑料生产中常常将glycols（醇类）作为关键成分。

13.Some pharmaceutical formulations include glycols (醇类) to enhance solubility.

某些药物配方中包含glycols（醇类）以增强溶解度。

14.Engine coolants often rely on glycols (醇类) for their effective thermal properties.

发动机冷却液通常依赖于glycols（醇类）的有效热性能。

作文

Glycols are a group of compounds that play a crucial role in various industrial applications. They are organic compounds that contain two hydroxyl (-OH) groups, which are characteristic of alcohols. The most common types of glycols include ethylene glycol and propylene glycol. These compounds are widely used in the production of antifreeze, plastics, and even food products. Understanding the properties and uses of glycols (甘醇) is essential for anyone involved in chemistry or related fields. One of the primary uses of glycols (甘醇) is in the automotive industry. Ethylene glycol, for instance, is a key ingredient in antifreeze formulations. It helps to lower the freezing point of water, preventing the formation of ice in car engines during cold weather. This property is vital for maintaining the functionality of vehicles and ensuring safety on the roads. Additionally, glycols (甘醇) can also act as heat transfer fluids, which are essential in various cooling systems. In the manufacturing sector, glycols (甘醇) serve as valuable intermediates in the production of polymers. For example, they are used in the synthesis of polyethylene terephthalate (PET), a widely used plastic in bottles and containers. The incorporation of glycols (甘醇) into this process enhances the material's properties, such as durability and resistance to moisture. Furthermore, the versatility of glycols (甘醇) allows manufacturers to tailor the characteristics of their products to meet specific requirements. Another significant application of glycols (甘醇) is in the food industry. Propylene glycol, for instance, is recognized as a safe additive by the Food and Drug Administration (FDA). It is commonly used as a humectant, helping to retain moisture in food products such as baked goods and salad dressings. The ability of glycols (甘醇) to dissolve flavors and colors makes them valuable in enhancing the overall quality of food items. Moreover, glycols (甘醇) are also utilized in the pharmaceutical industry. They serve as solvents and carriers for various medications, ensuring that active ingredients are effectively delivered to patients. The low toxicity of certain glycols (甘醇) makes them suitable for use in products intended for human consumption, further expanding their applicability. Despite their numerous benefits, it is essential to handle glycols (甘醇) with care. Some types, particularly ethylene glycol, are toxic if ingested. As a result, proper labeling and safety measures are crucial in industries that utilize these compounds. Education and awareness about the safe handling of glycols (甘醇) can help prevent accidents and ensure a safe working environment. In conclusion, glycols (甘醇) are versatile compounds with a wide range of applications across various industries. From automotive antifreeze to food additives, their unique properties make them indispensable in modern manufacturing and consumer products. A thorough understanding of glycols (甘醇) not only highlights their importance but also emphasizes the need for responsible usage and safety precautions. As industries continue to evolve, the role of glycols (甘醇) will undoubtedly remain significant, contributing to advancements in technology and improving the quality of everyday products.

甘醇是一组在各种工业应用中发挥关键作用的化合物。它们是含有两个羟基（-OH）基团的有机化合物，这些羟基基团是醇的特征。最常见的甘醇类型包括乙二醇和丙二醇。这些化合物广泛用于防冻剂、塑料甚至食品产品的生产。理解甘醇（glycols）的性质和用途对于任何从事化学或相关领域的人来说都是至关重要的。 甘醇（glycols）的主要用途之一是在汽车工业中。例如，乙二醇是防冻剂配方中的关键成分。它帮助降低水的冰点，防止寒冷天气中汽车发动机内形成冰。这一特性对于保持车辆的功能和确保道路安全至关重要。此外，甘醇（glycols）还可以作为热传递流体，在各种冷却系统中至关重要。 在制造业中，甘醇（glycols）作为聚合物生产中的宝贵中间体。例如，它们用于合成聚对苯二甲酸乙二醇酯（PET），这是一种广泛用于瓶子和容器的塑料。将甘醇（glycols）纳入这一过程可以增强材料的特性，如耐久性和抗湿性。此外，甘醇（glycols）的多功能性使制造商能够根据特定要求调整其产品的特性。 甘醇（glycols）在食品工业中的另一个重要应用是。例如，丙二醇被食品和药物管理局（FDA）认定为安全添加剂。它通常用作保湿剂，有助于保持烘焙食品和沙拉酱等食品产品中的水分。甘醇（glycols）溶解风味和色素的能力使其在提升食品质量方面具有价值。 此外，甘醇（glycols）还用于制药行业。它们作为各种药物的溶剂和载体，确保活性成分有效地输送给患者。某些甘醇（glycols）的低毒性使其适合用于人类消费的产品，进一步扩大了它们的适用性。 尽管有许多好处，但处理甘醇（glycols）时必须小心。某些类型，特别是乙二醇，如果摄入会有毒。因此，在使用这些化合物的行业中，适当的标签和安全措施至关重要。关于安全处理甘醇（glycols）的教育和意识可以帮助防止事故并确保安全的工作环境。 总之，甘醇（glycols）是具有广泛应用范围的多功能化合物，涉及各个行业。从汽车防冻剂到食品添加剂，它们独特的特性使其在现代制造和消费产品中不可或缺。对甘醇（glycols）的透彻理解不仅突显了它们的重要性，还强调了负责任的使用和安全预防措施的必要性。随着各行业不断发展，甘醇（glycols）的角色无疑将继续保持重要性，为技术进步和改善日常产品的质量做出贡献。