reagents

简明释义

英[rɪˈeɪdʒənts]美[rɪˈeɪdʒənts]

n. [试剂]试剂（reagent 的复数）

英英释义

单词用法

同义词

反义词

例句

1.The 2-norbornyl cation has been made from a variety of norbornane derivatives and reagents.

2-降冰片基阳离子已经由多种降冰片烷衍生物和试剂制成。

2.It has certain guiding meaning for safe use and the care of the dangerous chemical reagents for fluorescence logging personnel.

这对于荧光录井人员对化学危险品安全使用及保管具有一定的指导意义。

3.In general, dilution of the reagents can increase, decrease, or have no effect on the reaction rate.

在一般情况下，试剂的稀释可能对反应的速率增加，减少，或没有影响。

4.Small amounts of reagents and a fluid sample from a patient are guided through its tiny channels to test for STDs.

少量的试剂和流体样本病人被引导穿过它的细小通道测试性传播疾病。

5.How do you label your reagents bottles? What information is on the label?

对于试剂试药，您是怎样贴瓶签的？标签上有哪些信息？

6.Are the analytical reagents certified standards or are they verified against known standards?

分析试剂是否有规定标准或有相关标准确认？

7.The result indicates that group picture of UV, TLC and the law of chemical reagents of colour developing of Flos Althaea roseae have obvious features.

结果表明维药蜀葵花的化学试剂显色法、TLC、紫外光谱组图均具有明显特征。

8.The team will be augmented on Monday with additional expertise and supplies, including laboratory equipment and diagnostic reagents.

在星期一，该小组将得到加强，获得更多的专门技术和物资，包括实验室设备和诊断试剂。

9.The chemist mixed several reagents 试剂 to create a new compound.

化学家混合了几种试剂以创造一种新化合物。

10.The reaction between the two reagents 试剂 produced a significant amount of gas.

两种试剂之间的反应产生了大量气体。

11.In the laboratory, we need to store our reagents 试剂 properly to avoid contamination.

在实验室中，我们需要妥善存放我们的试剂以避免污染。

12.Some reagents 试剂 can be hazardous, so always wear protective gear.

一些试剂可能是危险的，因此始终佩戴防护装备。

13.Before starting the experiment, ensure all reagents 试剂 are labeled correctly.

在开始实验之前，确保所有的试剂都正确标记。

作文

In the field of chemistry, the term reagents refers to substances or compounds that are added to a system to bring about a chemical reaction or to test if a reaction occurs. Understanding the role of reagents is crucial for anyone involved in scientific experiments, whether in a laboratory setting or in industrial applications. Reagents can be classified into different categories based on their function and the type of reaction they facilitate.For instance, some reagents act as catalysts, which accelerate chemical reactions without being consumed in the process. A common example of a catalyst reagent is platinum, which is often used in catalytic converters in vehicles to speed up the conversion of harmful gases into less harmful emissions. Other reagents may serve as oxidizing agents, reducing agents, or even indicators that signal the presence of specific chemicals through color changes.In organic chemistry, reagents play a vital role in synthesizing new compounds. For example, in the synthesis of alcohols from alkenes, various reagents such as sulfuric acid or hydrogen bromide are used to facilitate the reaction. The choice of reagents can significantly affect the yield and purity of the final product, making it essential for chemists to have a deep understanding of their properties and interactions.Moreover, reagents are not only limited to laboratory experiments; they are also pivotal in analytical chemistry. Techniques such as titration rely on specific reagents to determine the concentration of unknown solutions. In these scenarios, the precision and accuracy of the reagents used can lead to reliable results, which are critical for quality control in industries like pharmaceuticals and food production.The importance of reagents extends beyond just their chemical properties. The safety and handling of reagents is another crucial aspect that must be considered. Many reagents can be hazardous, requiring proper storage, labeling, and disposal methods to prevent accidents and environmental damage. Therefore, professionals working with reagents must be well-versed in safety protocols and regulations governing the use of these substances.Furthermore, the development of new reagents continues to be a significant area of research. Scientists are constantly looking for more efficient, environmentally friendly, and cost-effective reagents that can replace traditional ones. This innovation not only enhances the efficiency of chemical processes but also contributes to sustainability efforts within the scientific community.In conclusion, reagents are indispensable components in the realm of chemistry. Their diverse roles in facilitating reactions, aiding in synthesis, and providing analytical capabilities make them fundamental to both academic research and industrial applications. A thorough understanding of reagents, their properties, and their safe handling is essential for anyone looking to excel in the field of chemistry. As research progresses, the evolution of reagents will undoubtedly continue to shape the future of chemical science, paving the way for new discoveries and advancements in technology.

在化学领域，术语reagents指的是添加到系统中以引发化学反应或测试反应是否发生的物质或化合物。理解reagents的作用对于任何参与科学实验的人来说都是至关重要的，无论是在实验室环境中还是在工业应用中。Reagents可以根据其功能和促进的反应类型分为不同类别。例如，一些reagents充当催化剂，加速化学反应而不在过程中被消耗。常见的催化剂reagent是铂，通常用于汽车的催化转换器中，以加速有害气体转化为较少有害的排放物。其他reagents可能作为氧化剂、还原剂，甚至是通过颜色变化信号特定化学物质存在的指示剂。在有机化学中，reagents在合成新化合物中起着至关重要的作用。例如，在从烯烃合成醇的过程中，各种reagents如硫酸或溴化氢被用来促进反应。Reagents的选择可以显著影响最终产品的产量和纯度，因此化学家必须深入了解它们的性质和相互作用。此外，reagents不仅限于实验室实验；它们在分析化学中也至关重要。滴定等技术依赖特定的reagents来确定未知溶液的浓度。在这些情况下，所使用的reagents的精确性和准确性可以导致可靠的结果，这对制药和食品生产等行业的质量控制至关重要。Reagents的重要性不仅限于其化学性质。Reagents的安全性和处理是另一个必须考虑的重要方面。许多reagents可能是危险的，需要适当的存储、标签和处置方法，以防止事故和环境损害。因此，处理reagents的专业人员必须熟悉安全协议和关于这些物质使用的法规。此外，新reagents的开发仍然是一个重要的研究领域。科学家们不断寻找更高效、环保和经济实惠的reagents，以取代传统的reagents。这种创新不仅提高了化学过程的效率，还为科学界的可持续发展努力做出了贡献。总之，reagents是化学领域不可或缺的组成部分。它们在促进反应、辅助合成和提供分析能力方面的多样化角色使它们对学术研究和工业应用至关重要。全面理解reagents及其性质和安全处理对于任何希望在化学领域取得成功的人来说都是必不可少的。随着研究的进展，reagents的发展无疑将继续塑造化学科学的未来，为新发现和技术进步铺平道路。