Face destressing blast design for hard rock tunnelling at great depth

Autor: Ernesto Villaescusa, Christopher Drover, Italo Onederra

Publikováno v: Tunnelling and Underground Space Technology. 80:257-268

Destress blasting of development headings is a construction technique in deep tunnels, whereby explosives are used to fracture the rock in such a way that strain energy is dissipated from the rock mass, with minimal deformation. This is intended to r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d5dfed4d3686d1e976bbebdd40106eac
https://doi.org/10.1016/j.tust.2018.06.021

Prevention of Postlaryngectomy Pharyngocutaneous Fistula: The Memorial University Experience

Autor: Christopher Drover, Pradip Ganguly, Kenneth J Burrage, Simon Kirby, Thomas J. Smith

Publikováno v: The Journal of Otolaryngology. 32:222

Sommaire Objectif : Le but de cette etude est d'evaluer l'efficacite de lambeau musculaire du grand pectoral dans la prevention de fistule pharyngocutanee qui ont subi une laryngectomie totale. Notre objectif secondaire est d'evaluer les economies po

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80a1d1bfb5e2db86204bb5790940b88c
https://doi.org/10.2310/7070.2003.41697

Comment on Drover's Proposed Seasonality Method

Autor: Koerper, Henry C.

Publikováno v: Koerper, Henry C.(1980). Comment on Drover's Proposed Seasonality Method. Journal of California and Great Basin Anthropology, 2(1). Retrieved from: http://www.escholarship.org/uc/item/7pd2b436

In the Winter 1974 issue of The Journal of California Anthropology, Christopher Drover described his preliminary work on a method which uses growth rings from two species of archaeologically recovered Chione for deriving seasonality data, or the seas

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______325::26bd13cc2a7d84c0b8b1ed79b74b5347
http://www.escholarship.org/uc/item/7pd2b436

Prehistoric Exchange Systems in North America

Autor: Timothy G. Baugh, Jonathon E. Ericson

In this unique volume, archaeologists examine the changing economic structure of trade in North America over a period of 6,000 years. Organined by geographical and chronological divisions, each chapter focuses on trade in one of nine regions from the