Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Joseph A. Gardella"'
Publikováno v:
Journal of School Violence. 18:347-361
Social control and procedural justice theories indicate that informal social control reduces problem behaviors. However, many schools have implemented formal control mechanisms such as school secur...
Publikováno v:
International Journal of Science Education, Part B. 5:139-160
This paper examines the roles that 52 university Science, Technology, Engineering, and Mathematics (STEM) students play in an Interdisciplinary Science and Engineering Partnership that connects several middle schools, high schools, institutions of hi
Publikováno v:
Virtual and Physical Prototyping. 7:37-47
Spatiotemporal delivery of incorporated biological modifiers from synthesised tissue scaffolds has higher speculation to stimulate the complex tissue regeneration process via controlling the extracellular matrix. In this research, we consider the mat
Autor:
Chang-Sik Ha, Joseph A. Gardella
Publikováno v:
Journal of Macromolecular Science, Part C: Polymer Reviews. 45:1-18
The surface science of polymer materials is a dynamic field, largely because of application in such areas as composite materials, wetting, coatings, adhesion, friction, and biocompatibility. In this review, we have focused on the study of surface seg
Autor:
Hengzhong Zhuang, Jerold C. Rosenfeld, Joseph A. Gardella, Joseph A. Incavo, Sergio R. Rojstaczer
Publikováno v:
The Journal of Adhesion. 63:199-214
Angle-dependent electron spectroscopy for chemical analysis (ESCA) was used to examine the air facing surface (20–100 A thick) composition of polyimidesiloxanes with different processing variations, and of varying polydimethylsiloxane (PDMS) conten
Publikováno v:
Spectroscopy Letters. 13:347-360
Positive and negative ion mass spectra of organic polymers were recorded using the Laser Microprobe Mass Analysis (LAMMA) technique. The mass spectra are characteristic of both the hydrocarbon backbone of simple straight-chain polymers [polyethylene,
Autor:
Joseph A. Gardella, David M. Hercules
Publikováno v:
International Journal of Environmental Analytical Chemistry. 13:275-287
Results are presented which develop a quantitative method of surface analysis by ESCA for complex heterogeneous systems. Calibration and application of the method to determination of surface weight percentages are discussed. Mt. St. Helens Ash is use
Autor:
Joseph A. Gardella, David M. Hercules
Publikováno v:
International Journal of Environmental Analytical Chemistry. 7:121-136
Preliminary studies on the use of combined surface analytical techniques such as X-ray Photoelectron Spectroscopy (XPS or ESCA). Auger Electron Spectroscopy (AES), Secondary Ion Mass Spectrometry (SIMS) and Ion Scattering Spectrometry (ISS) to probe