منابع مشابه
Use of clove oil in collecting coral reef fishes for research
Managers need accurate and relevant information about potential adverse environmental effects of scientific collecting when considering research proposals and permits. Clove oil has recently come into use in scientific fish-collecting. While several short-term experimental studies on clove oil’s effects on corals have found negative effects, these were in response to heavier dosages than are ty...
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Collecting reef-associated invertebrates usually involves disturbance of the reef area, often damaging the habitat and sometimes damaging live corals. We introduce a nondestructive, inexpensive, and effective method for collecting coral reef-associated invertebrates using approximations of small coral heads constructed of concrete, PVC pipes, nylon cleaning pads, and other materials easily obta...
متن کاملCollecting Liability for Compensation for Medical Accidents
Compensation for damages caused by medical accidents is one of the important issues that have led to the transformation of social life into responsibility. The increasing number of accidents caused by medical practices and the consequent increase in casualties to patients makes it more than necessary to investigate the issue. While the legal system of some countries, including France, has taken...
متن کاملCoupon Collecting
We consider the classical coupon collector’s problem in which each new coupon collected is type i with probability pi; P i1⁄41 n pi1⁄41. We derive some formulas concerning N, the number of coupons needed to have a complete set of at least one of each type, that are computationally useful when n is not too large. We also present efficient simulation procedures for determining P(N . k), as well a...
متن کاملSerial Collecting as Leisure, and Coin Collecting in Particular
The collecting of things for pleasure is an almost universal human experience. Psychological studies tell us that it is deeply connected to the development of the self and of relations with the world and other people. This article explores collecting as serious leisure, reviews explanations of collecting behavior, and focuses on coin collectors as one example. The types and organization of numi...
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ژورنال
عنوان ژورنال: Science
سال: 2010
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.327.5971.1303-a