US-Poland Research on Elucidating Mechanisms of HeterogenousChemical Reactions of Environmental Importance

这个美国-波兰研究项目的目标是， Dr. A. W.宾夕法尼亚州立大学的Castleman H博士物理化学研究所的温塞尔， 波兰华沙科学院正在调查 非均相化学反应机理 环境的重要性和理解耦合 在自然大气层和 通过各种方式引入的成分和污染物 工业过程。 研究人员将调查： (1)集群分布，并研究解开 团簇的形成和生长动力学; 团簇离子稳定性和反应能量 测量其热化学性质;（3） 反应性的不同大小的集群，以阐明 受各种化学物质影响的反应机理 成分和聚集/溶剂化程度;和（4） 光稳定性和光解离，相辅相成 离子团簇的热力学稳定性研究， 得到一些光谱信息， 光对污染物影响的资料 转化反应 在工作过程中， 研究人员打算直接探测光谱学， 通过多光子电离， 聚簇对电子态的影响可以是 测定 结果将提供进一步的见解， 团簇键的性质和强度、能量转移 光吸收后，因此反应性。 这个大气科学项目实现了 以促进科学知识的发展为目标， 美国和东欧的主要专家， 联合收割机优势互补，资源集中 有着强烈的共同利益和能力。

The objective of this US-Poland research project between Dr. A. W. Castleman of the Pennsylvania State University and Dr. H. Wincel of the Institute of Physical Chemistry, Polish Academy of Sciences, Warsaw is to investigate mechanisms of heterogenous chemical reactions of environmental importance and to underdtand the coupling between cycles involving both natural atmospheric constituents and pollutants introduced through various industrial processes. The researchers will investigate: (1) cluster distributions, and studies to unravel the dynamics of formation and the growth of clusters; (2) the stability and reaction energetics of cluster ions through measurements of their thermochemical properties; (3) the reactivity of clusters of varying size to elucidate the reaction mechanisms as influenced by various chemical constituents and degrees of aggregation/solvation; and (4) photostability and photodissociation, which complement studies on the thermodynamic stability of ion clusters and elicit some spectroscopic information as well as information on the influence of light on pollutant conversion reactions. During the course of the work, the researchers will intend to probe directly the spectroscopy of clusters via multiphoton ionization, so that the effects of clustering on electronic states can be determined. The results will provide further insight into the nature and strength of cluster bonds, energy transfer following photoabsorption, and hence reactivity. This project in atmospheric science fulfills the program obvjective of advancing scientific knowledge by enabling leading experts in the United States and Eastern Europe to combine complementary talents andn pool resources in areas of strong mutual interest and competence.