منابع مشابه
An Improved Method of Using the Tonsil Guillotine
operations are now distinguished, viz., tonsillotomy, in which only a slice of the enlarged tonsil is removed, and tonsillectomy, in which the whole tonsil is removed with its capsule intact. The former operation is carried out with a guillotine, the latter by dissection. The merits or demerits of the rival operations I do not propose to discuss. To those interested in the question, both sides ...
متن کاملOn Guillotine Cutting Sequences
Imagine a wooden plate with a set of non-overlapping geometric objects painted on it. How many of them can a carpenter cut out using a panel saw making guillotine cuts, i.e., only moving forward through the material along a straight line until it is split into two pieces? Already fifteen years ago, Pach and Tardos investigated whether one can always cut out a constant fraction if all objects ar...
متن کاملTonsil fibromatosis.
Fibromatosis is a non-metastatic, however locally invasive tumor that may infiltrate muscle, fat, and bone. It may be fatal depending on its location. Tumors in the head and neck are particularly dangerous. These fibroblast tumors have poorly defined margins and are not encapsulated. Anaplasia and invasion of nerves and vessels are not present; mitosis is rare and there may be collagen between ...
متن کاملInnovation and the Financial Guillotine
We examine how investors’ tolerance for failure impacts the types of projects they are willing to fund. We show that actions that reduce short term accountability and thus encourage agents to experiment more simultaneously reduce the level of experimentation financial backers are willing to fund. Failure tolerance has an equilibrium price that increases in the level of experimentation. More exp...
متن کاملA Tale on Guillotine Cut
The guillotine cut is an important tool to design polynomialtime approximation schemes for geometric optimization problems. In this article, we survey its history and recent developments.
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ژورنال
عنوان ژورنال: The Lancet
سال: 1892
ISSN: 0140-6736
DOI: 10.1016/s0140-6736(02)12227-6