منابع مشابه
A Lousy Story
In World War Two, all Doctors joining the R.A.M.C. attended a course at the Army School of Hygiene. At one lecture we learnt of the newest treatment for body lice. Anti-Louse Powder 63 had secret ingredients which could not be divulged to us less we pass the information to the Germans. Some time later, I was to put the efficiency of AL63 to the test.
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Forty-one imperial shag chicks were sampled for lice during the breeding season of 2014 in Punta León, Argentina. We found 2 lice species, Pectinopygus turbinatus infesting the body and Piagetiella caputincisum present in the oral cavity of the birds. This constitutes the first host record for P. turbinatus and the first record for the continental Argentina for P. caputincisum. Ninety-three per...
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We solve the design spectrum problem for all theta graphs with 10, 11, 12, 13, 14 and 15 edges.
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The existence and non-existence of trend-resistant repeated measurement designs are investigated. Two families of efficient/optimal repeated measurement designs which are very popular among experimenters are shown to be trend-resistant or trend-resistant with respect to treatments.
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The binary and ternary codes spanned by the rows of the point by block incidence matrices of some 2-designs and their complementary and orthogonal designs are studied. A new method is also introduced to study optimal codes.
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ژورنال
عنوان ژورنال: American Entomologist
سال: 2006
ISSN: 1046-2821,2155-9902
DOI: 10.1093/ae/52.1.4