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An Approach to the Problem of Estimating Severe and Repeated Gust Loads for Missile Operations
An analysis of available airplane measurements of vertical gust velocity is presented in order to arrive at a simple description of the frequency and intensity of gust velocities experienced by airplanes in operations. For the purpose of application to missile operations; the results obtained are modified to eliminate the effects of storm-avoidance procedures normally followed in airplane operations. The frequency distributions of gust velocity are then converted to a form appropriate for use in power spectral response calculations. Methods of applying the results to the estimation of the large and the small repeated loads in missile operations are then developed. Simple methods of estimating the gust loadings that will be exceeded with a given probability are presented in terms of missile response parameters and turbulence parameters. The limitations of the present results are also discussed briefly.
Arabic Second Language Acquisition of Morphosyntax
While the demand for Arabic classes and preparation programs for Arabic language teachers has increased, there is a notable gap in the field of linguistic research on learning Arabic as a second language. Arabic Second Language Acquisition of Morphosyntax presents a data-driven and systematic analysis of Arabic language acquisition that responds to this growing need. Based on large data samples collected from longitudinal and cross-sectional studies, this book explores a broad range of structures and acquisition issues. It also introduces new and comprehensive research, and it documents the successes and problems that native speakers of other languages, including English, Spanish, French, and Japanese, are likely to encounter in learning Arabic. By integrating previously published findings with new research, the author has created a unified and streamlined resource for teachers, teachers-in-training, linguists, Arabic textbook authors, and second-language acquisition experts.
Elementary Modern Standard Arabic: Volume 1, Pronunciation and Writing; Lessons 1-30
The Elementary Modern Standard Arabic Course (EMSA), published in 1983, is the premier introduction, for the English-speaking student, to the active written language of the Arab world. Expressly designed for the beginning student, the course is written by a team of Arabic language teachers consisting of native and non-native Arabic speakers, linguists and people whose primary interests are literature and allied areas. It implements an audio-lingual approach to language teaching while presenting the elements of Modern Standard Arabic as written and spoken in the contemporary Arab World. Volume 1 is complete in itself and presents a practical introduction to the writing system of Arabic and to its pronunciation, with reading and writing pronunciation drills. Thirty lessons provide a basic working knowledge of Arabic. Each lesson contains a text, a vocabulary, grammar and drills including oral and written comprehension passages. An Arabic-English glossary completes the volume. The course continues in Volume 2, which extends the knowledge of vocabulary, grammar and expression. Fifteen further lessons are followed by appendices which give reference information.
