By Robert L. Snyder (auth.), Camden R. Hubbard, Charles S. Barrett, Paul K. Predecki, Donald E. Leyden (eds.)
Read or Download Advances in X-Ray Analysis: Volume 26 PDF
Best nonfiction_8 books
The sixth ESPRIT convention is being held in Brussels from the twenty seventh November to the 1 st December 1989. good over 1500 members from in every single place Europe are anticipated to wait some of the occasions throughout the week. The convention will provide the chance to be up-to-date at the result of ongoing Esprit initiatives and to enhance Europe-wide contacts with colleagues, either inside of a particular department of data expertise and throughout diverse branches.
The importance of the current IAU symposium, "The huge Scale constitution of the Universe", thankfully calls for no elaboration by means of the editors. the standard of the big variety of observational and theoretical astrophysics contained during this quantity speaks for itself. the broadcast model of the court cases includes all of the contributions awarded on the symposium apart from the introductory lecture through V.
This booklet significantly examines the reaction of the United international locations (UN) to the matter of sexual exploitation in UN Peace aid Operations. It assesses the Secretary-General’s Bulletin on distinct safeguard from Sexual Exploitation and Sexual Abuse (2003) (SGB) and its definition of sexual exploitation, such as sexual relationships and prostitution.
Methane performs many vital roles within the earth's setting. it's a powerful "greenhouse fuel" that warms the earth; controls the oxidizing potential of the ambience (OH) ultimately affecting the cycles and abundances of many atmospheric hint gases; presents water vapor to the stratosphere; scavenges chlorine atoms from the stratosphere, terminating the catalytic ozone destruction via chlorine atoms, together with the chlorine published from the man-made chlorofluorocarbons; produces ozone, CO, and CO2 within the troposphere; and it truly is an index of existence on the earth and so is found in better amounts in the course of hot interglacial epochs and dwindles to low degrees throughout the chilly of ice a long time.
- Aspects of Many-Body Effects in Molecules and Extended Systems: Proceedings of the Workshop-Cum-Symposium Held in Calcutta, February 1–10, 1988
- Project Planning and Management: An Integrated System for Improving Productivity
- Dutch Elm Disease Research: Cellular and Molecular Approaches
- Clifford Algebras and Spinor Structures: A Special Volume Dedicated to the Memory of Albert Crumeyrolle (1919–1992)
- Excimer Lasers
- Inverse Projection Techniques: Old and New Approaches
Extra info for Advances in X-Ray Analysis: Volume 26
287, 5). The NBS silicon powder used was prepared from a large single crystal and each particle is a single crystal fragment so that the particle and crystallite sizes are the same. The study was made with a series of specimens prepared from the five particle size ranges described above. The crystallite size effect can be observed by rotating the specimen around the axis normal to the center of the specimen surface while the diffractometer is set at the peak position, and recording the intensity on a strip chart, Fig.
ACCURACY IN X-RAY POWDER DIFFRACTION Correction functions for these errors can, in principle at least, be applied relatively easily with the modern computer-controlled diffractome~er since they can all be described in terms of known parameters. The only term really in any doubt is the axial divergence term which was first described by Pike. 3 It seems, at least intuitively, that there must be a problem with the Pike axial divergence term at low angles since it involves cot and csc functions which become infinite as 26 approaches zero.
A square was used to see if the surface was flat and normal to the axis. Once the specimen was prepared the particles were tightly bonded and the surfaces stable. All specimens were examined with a binocular microscope and given the X-ray test described below. PRECISION OF METHOD The inherent precision of the data collection and reduction methods was determined with carefully controlled conditions. 04° steps and 1 second count time per step. The specimen was not moved between runs and the experimental time was about three minutes for the four reflections.