propyl

简明释义

英[ˈprəʊpɪl]美[ˈproʊpəl]

n. 丙基；丙烷基

英英释义

单词用法

同义词

反义词

例句

1.Under this conditions, the yield of ethyl ester, propyl ester and butyl ester respectively is 87.5%, 89.2% and 91.1%.

上述条件下，尼泊金乙酯的产率为87.5% ，尼泊金丙酯的产率为89.2 % ，尼泊金丁酯的产率为91 .1 %。

2.This standard solution was accurately prepared in super-clean laboratory with iso-propyl benzene and sub-packed in 2ml ampoules.

本标准溶液以纯异丙苯在超净实验室中准确配制并分装于2毫升安瓿中。

3.Through orthogonal test was designed for optimal inhibition the new compound color fixative:green tea extract 0.03%, propyl gallate 0.005%, citric acid 1.0%, VE 0.01%.

前言： 利用柠檬酸、VE、 没食子酸丙酯、绿茶提取物各自的特性，通过正交实验最终确定了最佳的新型复合护色剂组合：绿茶提取物0.03%、没食子酸丙酯0.005%、柠檬酸1.0%、VE含量0.01%。

4.OBJECTIVE To synthesize thiamine propyl disulfide, a long-effect VitaminB1.

目的合成长效维生素B1丙硫硫胺。

5.The way using crude material furoic acid and propyl alcohol to synthesize propyl furoate is researched by catalyst stannous oxide. The yield is 77%.

以呋喃甲酸和正丙醇为原料，氧化亚锡为催化剂，合成了呋喃甲酸正丙酯，产率可达77% 。

6.The casting process and reverse osmosis (RO) properties of hydroxy-propyl cellulose acetate (HPCA) membrane were studied.

研究了羟丙基醋酸纤维素反渗透膜的制膜工艺和膜性能。

7.In organic chemistry, propyl 丙基 is often used as a substituent in various reactions.

在有机化学中，丙基常作为各种反应中的取代基使用。

8.The synthesis of propyl 丙基 alcohol involves several steps of chemical reactions.

丙基醇的合成涉及多个化学反应步骤。

9.The propyl 丙基 group is important in the structure of many pharmaceuticals.

丙基基团在许多药物的结构中非常重要。

10.We added propyl 丙基 acetate to the mixture to enhance the flavor.

我们向混合物中添加了丙基醋酸酯以增强风味。

11.The compound contains a functional group with a propyl 丙基 chain.

该化合物含有一个带有丙基链的功能团。

作文

In the world of chemistry, understanding different organic compounds is essential for anyone interested in the field. One such compound that often comes up in discussions is propyl, which refers to a three-carbon alkyl group derived from propane. The propyl group can be represented by the chemical formula C3H7 and is commonly found in various chemical reactions and applications. This essay aims to explore the significance of propyl in organic chemistry, its uses, and its importance in everyday life.Firstly, it is important to understand how the propyl group is formed. When propane, a simple alkane with three carbon atoms, loses one hydrogen atom, it forms the propyl group. This structural change allows propyl to bond with other elements or compounds, making it a versatile building block in organic chemistry. There are different types of propyl groups, including n-propyl (the straight-chain version) and isopropyl (a branched version). Each has unique properties and applications, which are crucial for chemists and industries alike.The versatility of the propyl group enables its presence in various chemical compounds. For example, many solvents used in laboratories and industrial processes contain propyl as part of their structure. Isopropanol, commonly known as rubbing alcohol, is a well-known example that contains an isopropyl group. This compound is widely used for disinfection and cleaning purposes due to its effectiveness against bacteria and viruses. Thus, the propyl group plays a vital role in creating substances that contribute to public health and hygiene.Moreover, propyl derivatives are also found in pharmaceuticals. Many medications utilize the propyl group in their molecular structure to enhance their effectiveness. For instance, certain pain relievers and anti-inflammatory drugs include propyl components, which help improve their solubility and absorption in the body. This illustrates how understanding the propyl group can lead to advancements in medicine and therapeutic treatments.In addition to its significance in chemistry and medicine, the propyl group is also relevant in the production of various consumer products. Many cosmetics, personal care items, and household cleaners contain propyl compounds due to their ability to act as emulsifiers or solvents. For example, propylene glycol, a common ingredient in skin moisturizers, helps retain moisture and improve the texture of the product. This demonstrates how the propyl group contributes to the formulation of everyday items that people use regularly.In conclusion, the propyl group is a fundamental component in the realm of organic chemistry, serving as a building block for various compounds. Its presence in solvents, pharmaceuticals, and consumer products highlights its importance in both industrial applications and daily life. By understanding the role of propyl, we can appreciate the intricate connections between chemistry and the products we rely on every day. As science continues to advance, the study of compounds like propyl will undoubtedly lead to new discoveries and innovations that benefit society as a whole.

在化学的世界中，理解不同的有机化合物对于任何对该领域感兴趣的人来说都是至关重要的。一个经常出现在讨论中的化合物是丙基，它指的是一种来自丙烷的三碳烷基团。丙基基团可以用化学式C3H7表示，通常在各种化学反应和应用中出现。本文旨在探讨丙基在有机化学中的重要性、其用途以及在日常生活中的意义。首先，了解丙基基团的形成方式是重要的。当丙烷（一个由三个碳原子组成的简单烷烃）失去一个氢原子时，就形成了丙基基团。这种结构变化使得丙基能够与其他元素或化合物结合，从而成为有机化学中一种多功能的基础构件。丙基基团有不同类型，包括n-丙基（直链版本）和异丙基（支链版本）。每种类型都有独特的属性和应用，这对化学家和各行业都至关重要。丙基基团的多样性使其在各种化合物中存在。例如，许多实验室和工业过程使用的溶剂都含有丙基作为其结构的一部分。异丙醇，通常被称为酒精，是一个包含异丙基基团的著名例子。由于其对细菌和病毒的有效性，这种化合物广泛用于消毒和清洁。因此，丙基基团在创造对公共健康和卫生有贡献的物质中发挥着至关重要的作用。此外，丙基衍生物在药品中也很常见。许多药物利用丙基基团在其分子结构中以增强其有效性。例如，某些止痛药和抗炎药包括丙基成分，这有助于改善它们在体内的溶解度和吸收。这说明了理解丙基基团如何推动医学和治疗方法的进步。除了在化学和医学中的重要性外，丙基基团在各种消费品的生产中也相关。许多化妆品、个人护理产品和家用清洁剂都含有丙基化合物，因为它们能够作为乳化剂或溶剂。例如，丙二醇是皮肤保湿剂中的一种常见成分，有助于保持水分并改善产品的质地。这表明丙基基团如何促进日常物品的配方，这些物品是人们日常使用的。总之，丙基基团是有机化学领域的一个基本组成部分，作为各种化合物的构建块。它在溶剂、药品和消费品中的存在突显了它在工业应用和日常生活中的重要性。通过理解丙基的作用，我们可以欣赏到化学与我们依赖的产品之间复杂的联系。随着科学的不断进步，对像丙基这样的化合物的研究无疑会导致新的发现和创新，造福整个社会。