![]() “It also has strong absorbing ability for metal ions.” “For this material, one unique property is that it has superior absorbing ability for organic solvents - up to nearly 100 times its own weight,” she says. It’s the combination of this “greener” material and its high performance that got Gong’s attention. Furthermore, these cellulose-based aerogels are made using an environmentally friendly freeze-drying process without the use of organic solvents. The aerogel prepared in Gong’s lab is made of cellulose nanofibrils (sustainable wood-based materials) and an environmentally friendly polymer. In the lower photo, next to an unused sample at left, the aerogel has absorbed the fuel.Īerogels, which are highly porous materials and the lightest solids in existence, are already used in a variety of applications, ranging from insulation and aerospace materials to thickening agents in paints. In the upper photo, a small sample of the aerogel is stirred into a container of water tainted with red-dyed diesel fuel. Numerous studies (1, 3, 4, 8, 9) refer to. ![]() You can refer to a number of works within one pair of parentheses or brackets or in a series of superscript numbers: The work of Nelkin and Pollack (6) supports this theory. Place the number directly after the author’s name or mention of the work : Use a superscript (a number above the text line, as for a footnote).Īdd a comma and the page number(s) of the source.Place the number in parentheses or in square brackets or.Number the citations consecutively according to the first mention of each source in the text (using the same number for subsequent references to the same source).Arrange the sources you cite alphabetically and then number them or.Number your citationsĭepending upon the system used in your field, either: Use the information below for guidelines on how to cite numbered references correctly in your text. When using numbered references, cite a source by using the number assigned to that source in the reference list. Problems and procedures in the regulation of technological risk. Journal Article (3): In edited collectionġ2. Molecular cloning of polyoma virus DNA in escherichia coli: plasmid vector systems. Journal Article (2): More than 1 authorġ1. Government Printing Office, Washington, D.C. World food and nutrition study: the potential contributions of research. ![]() Book (6): Subtitled volume of multivolume workĦ. The science of genetics: an introduction to heredity. Use the table below for guidelines on how to format the entries in a numbered reference list. ![]() 231-237 (available in the Writing Center) or the documentation manual for your field for arrangement and numbering of the list and for style and order of elements within each entry. Lester, Writing Research Papers, 5th ed., pp. Although the sample list below is not arranged alphabetically, you should arrange your reference list in alphabetical order.Ĭheck James D. List the works cited, with corresponding numbers, on a new page after the text, titled References. Peter Woodford’s Scientific Writing for Graduate Students (both available in the Writing Center). Day’s How to Write and Publish a Scientific Paper and F. *This version is used, with slight variations, in many journals and in two books on scientific writing: Robert A. 231-237, available in the Writing Center. This section describes the numbered reference system and gives examples from one version of the system.* Ask your instructor what specific style to use.ĭocumentation styles for chemistry, computer science, mathematics, physics, and medical sciences are summarized in James D. ![]()
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