15 resultados para Z-pin reinforcement

em Brock University, Canada


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This research work has been planned with the intention of proving the absolute configuration of lactobacillc acid. During the course of this work, attempts have been made to synthesize cis-2-carboxycyclopropane- l-.acetic acid as,v,a suitable resolvable material. As the results were not satisfactory, the synthesis of ci,s-2-carboxycyclopropane-l-propionic acid has been alternatively attempted by ring opening of bicyclo- [4.1.~-heptan-2-onewithout much success. Attempts to resolve or prepare bicyclo[ 4.1.~-hePtan-2-one optically active are also reported. On the other hand, a complete scheme is described for the possible synthesis of optically active lactobacillic acid. If only bicyclo- ~.1.~ -heptan-2-one can be resolved or prepared optically active, this described scheme can be applied smoothly to the synthesis of enant~omeric lactobacillic acid.

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Please consult the paper edition of this thesis to read. It is available on the 5th Floor of the Library at Call Number: Z 9999 C65 F86 2005

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Light brown sediment with clasts ranging from small to medium in size. The clast shape ranges from sub-angular to rounded. Lineations and edge-to-edge grain crushing can mainly be seen in this sample. There are also a few examples of grain stacking and crushed grains.

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Dark brown sediment with well dispersed clasts. The clasts are mainly small and range from sub-angular to rounded in shape. This sample is mainly structure-less but does contain lineations.

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A jewelry case which is a souvenir of the opening of the Royal York Hotel, June 1929. The case is faux leather with a velveteen lining. Inside the case is a pin for the Daughers' of the Empire. The pin belonged to Margaret Julia Woodruff (Band). "Margaret Woodruff" is scratched onto the back of the pin. She joined the group in 1909.

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A sorority pin of Margaret Julia Woodruff (Band). It is diamond shaped and it has a pearl like border around the outside.

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A St. Margaret's College pin. The college was located at, 144 Bloor St. East, Toronto.

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"V" fifth form pin which belonged to Margaret Julia Woodruff at St. Margaret's School, Toronto.

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Life Member pin of the Red Cross Society

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A Canadian Girl Guides pin presented to H.K. Woodruff to commemorate his presentation of a house to the Girl Guides of St. Catharines.

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An ATO fraternity pin which belonged to P.C. Band

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A Ridley College, St. Catharines pin which belonged to Chester Woolworth of the Woolworth Family.

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A "Navy League, Keep Watch" pin with a screw-on backing.

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OZO fraternity pin of H.K. Woodruff, University of Toronto. He was one of the founding members.

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Receipt from Tiffany and Co., New York for a diamond lace pin, Nov. 3, 1884.