Metastable Solid Solutions in the Gallium Antimonide-Germanium Pseudobinary System

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Metastable Electron Compound in Ag-Ge Alloys

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Representations of Global Civility: English Travellers in the Ottoman Empire and the South Pacific, 1636-1863

Perhaps unexpectedly, English travel writing during the long eighteenth century reveals a discourse of global civility. By bringing together representations of the then already familiar Ottoman Empire and the largely unknown South Pacific, the author adopts a uniquely global perspective and demonstrates how cross-cultural encounters were framed by Enlightenment philosophy, global interconnections, and even-handed exchanges across cultural divides. In so doing, this book shows that both travel and travel-writing from the seventeenth to the nineteenth centuries were much more complex and multi-layered than reductive Eurocentric histories often suggest

Blur effects on clock-dial cylinder determination

Blur effects on clock-dial cylinder determinatio

Attitudes about Women, Sexuality, and Abortion

This document is a partial submission to Huskie Commons of the required SEF Final Report, submitted in partial fulfillment of the SEF Program of Northern Illinois University Spring 2017 Grant.Abortion currently and throughout history, has been a wide-spread, controversial topic, though one in three women will obtain abortion services by the time they are 45 (Guttmacher Institute, 2014). Even after the U.S. Supreme Court affirmed a woman’s right to undergo an abortion in the famous Roe vs. Wade (1973) case, state-wide laws and restrictions continue to be placed on abortion practices (Begun & Walls, 2014). Many Americans support and/or oppose the act of having an abortion based on their personal beliefs and attitudes on how women should conduct themselves in different situations, and Wolf (1991) points out that advocates on both sides of the issue respect human life, though in different ways. According to Livingston (2007), several factors relate to abortion attitudes, including religion, gender role attitudes, and political affiliation. However, less is known about what psychological constructs may be involved in how abortion attitudes are formed. Begun and Walls (2014) explored the relationship between abortion attitudes and sexism and found that individuals who reported a greater level of anti-abortion attitudes also reported greater levels of two kinds of sexism: benevolent sexism, which casts women as pure, but fragile creatures in need of men’s protection; and hostile sexism, which casts women as manipulative harridans who are out to denigrate men. While this work is a start at examining what attitudinal factors may influence individuals’ abortion attitudes, more research is needed. The current project seeks to further investigate how these attitudes are constructed, and what role gender plays in their formation.NIU's Student Engagement Fun

Contamination by field late-M, L and T dwarfs in deep surveys

Context: Deep photometric surveys for substellar objects in young clusters and for high-redshift quasars are affected by contaminant sources at different heliocentric distances.If not correctly taken into account, the contamination may have a strong effect on the Initial Mass Function determination and on the identification of quasars. Aims: We calculate in detail the back- and foreground contamination by field dwarfs of very late spectral types (intermediate and late M, L and T) in deep surveys and provide the data and tools for the computation. Methods: Up-to-date models and data from the literature have been used: (i) a model of the Galactic thin disc by an exponential law; (ii) the length and height scales for late-type dwarfs; (iii) the local spatial densities, absolute magnitudes and colours of dwarfs for each spectral type. Results: We derive a simplified expression for the spatial density in the thin disc that depends on the heliocentric distance and the galactic coordinates (l, b) and integrate it in the truncated cone screened in the survey. As a practical application, we compute the numbers of L- and T-type field dwarfs in very deep (I = 21-29 mag) surveys in the direction of the young sigma Orionis cluster. The increasing number of contaminants at the faintest magnitudes could inhibit the study of the opacity mass limit at M <~ 0.003 M_sol in the cluster.Comment: A&A, accepted. 11 pages, 4 figures, 4 tables. Version 2: deleted two spurious figures at the end of the fil

Western Wheatgrass Recovery From Drought

Native grasses are predictably taller in wet years than in dry years and their density also increases with favorable precipitation. These responses of western wheatgrass are more dramatic on mechanically treated rangeland when precipitation is adequate. Measurements taken in July 1991 confirmed that western wheatgrass was slightly taller and density at least two times greater on mechanically treated claypan soils compared with untreated soils 13 and 18 years following treatment. Increases of this magnitude constitute a potentially greater carrying capacity which livestock producers should be prepared to utilize. This report briefly summarizes the effects of mechanical treatment on height and density of western wheatgrass 13 and 18 years following treatment and in a wet year following several dry years

Conjunctors and their residual implicators: characterizations and construction methods

In many practical applications of fuzzy logic it seems clear that one needs more flexibility in the choice of the conjunction: in particular, the associativity and the commutativity of a conjunction may be removed. Motivated by these considerations, we present several classes of conjunctors, i.e. binary operations on $[0,1]$ that are used to extend the boolean conjunction from $\{0,1\}$ to $[0,1]$, and characterize their respective residual implicators. We establish hence a one-to-one correspondence between construction methods for conjunctors and construction methods for residual implicators. Moreover, we introduce some construction methods directly in the class of residual implicators, and, by using a deresiduation procedure, we obtain new conjunctors