Modern coastal tempestite deposition by a non‐local storm: Swell‐generated transport of sand and boulders on Eleuthera, The Bahamas

Abstract The study investigates language attitudes in The Bahamas, addressing the current status of the local creole in society as well as attitudinal indicators of endonormative reorientation and stabilization. At the heart of the study is a verbal guise test which investigates covert language attitudes among educated Bahamians, mostly current and former university students; this was supplemented by a selection of acceptance rating scales and other direct question formats. The research instrument was specifically designed to look into the complex relationships between Bahamian Creole and local as well as non-local accents of standard English and to test associated solidarity and status effects in informal settings. The results show that the situation in The Bahamas mirrors what is found for other creole-speaking Caribbean countries in that the local vernacular continues to be ‘the language of solidarity, national identity, emotion and humour, and Standard the language of education, religion, and officialdom’ (Youssef 2004: 44). Notably, the study also finds that standard Bahamian English outranks the other metropolitan standards with regard to status traits, suggesting an increase in endonormativity.

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Toward High-Resolution Low-Voltage SEM

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100103152 ◽

1988 ◽

Vol 46 ◽

pp. 218-219

Author(s):

Zhifeng Shao

Keyword(s):

Low Voltage ◽

Spherical Aberration ◽

Chromatic Aberration ◽

Limiting Factor ◽

Operating Voltage ◽

Probe Radius ◽

Non Local ◽

Electron Microscopes ◽

Image Position ◽

Scanning Electron Microscopes

Recently, low voltage (≤5kV) scanning electron microscopes have become popular because of their unprecedented advantages, such as minimized charging effects and smaller specimen damage, etc. Perhaps the most important advantage of LVSEM is that they may be able to provide ultrahigh resolution since the interaction volume decreases when electron energy is reduced. It is obvious that no matter how low the operating voltage is, the resolution is always poorer than the probe radius. To achieve 10Å resolution at 5kV (including non-local effects), we would require a probe radius of 5∽6 Å. At low voltages, we can no longer ignore the effects of chromatic aberration because of the increased ratio δV/V. The 3rd order spherical aberration is another major limiting factor. The optimized aperture should be calculated as

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Chromatic aberration and low-voltage SEM

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100127293 ◽

1987 ◽

Vol 45 ◽

pp. 546-547

Author(s):

Zhifeng Shao ◽

A.V. Crewe

Keyword(s):

Electron Energy ◽

Low Voltage ◽

Spherical Aberration ◽

Chromatic Aberration ◽

Primary Electron ◽

Probe Size ◽

Non Local ◽

Optical Treatment ◽

Electron Microscopes ◽

Scanning Electron Microscopes

For scanning electron microscopes, it is plausible that by lowering the primary electron energy, one can decrease the volume of interaction and improve resolution. As shown by Crewe /1/, at V0 =5kV a 10Å resolution (including non-local effects) is possible. To achieve this, we would need a probe size about 5Å. However, at low voltages, the chromatic aberration becomes the major concern even for field emission sources. In this case, δV/V = 0.1 V/5kV = 2x10-5. As a rough estimate, it has been shown that /2/ the chromatic aberration δC should be less than ⅓ of δ0 the probe size determined by diffraction and spherical aberration in order to neglect its effect. But this did not take into account the distribution of electron energy. We will show that by using a wave optical treatment, the tolerance on the chromatic aberration is much larger than we expected.

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An Exploratory Study on Augmentative and Alternative Communication Classroom Integration Training for Special Educators Who Work With Children With Complex Communication Needs in the Bahamas

Perspectives of the ASHA Special Interest Groups ◽

10.1044/2019_pers-sig12-2019-0007 ◽

2019 ◽

Vol 4 (5) ◽

pp. 991-1016

Author(s):

Shameka Stanford ◽

Ovetta Harris

Keyword(s):

Augmentative And Alternative Communication ◽

Special Educators ◽

Communication Disorders ◽

Alternative Communication ◽

The Bahamas ◽

Complex Communication Needs ◽

English Speaking ◽

Communication Needs ◽

Classroom Integration ◽

And Training

Purpose In 2011, the United Nations estimated there were between 180 and 220 million youth with disabilities living around the world, and 80% of them resided in developing countries. Over the last 6 years, this number has increased significantly, and now, over 1 million people live in the Caribbean with some form of disability such as communication disorders resulting in complex communication needs (CCN). Method This publication discusses the benefits of an exploratory, descriptive, nonexperimental study on augmentative and alternative communication (AAC) classroom integration training for 8 special educators in the Bahamas who work with children with CCN. Results The results of this study revealed that 100% of the participants reported the study to be effective in increasing their knowledge and skill in the area of implementing AAC into their classrooms, enhancing their ability to team teach and incorporate AAC opportunities for all students with CCN within their classrooms, and increasing their knowledge and skill overall in the areas of AAC and CCN. Conclusion The findings highlight an important area of potential professional development and training that can be replicated in other English-speaking Caribbean territories focused on AAC classroom integration training program for special educators who teach students with CCN.

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