subnormal
61Conjugate-permutable subgroup — In mathematics, in the field of group theory, a conjugate permutable subgroup is a subgroup that commutes with all its conjugate subgroups. The term was introduced by Tuval Foguel in 1996 and arose in the context of the proof that for finite… …
62Lattice of subgroups — In mathematics, the lattice of subgroups of a group G is the lattice whose elements are the subgroups of G, with the partial order relation being set inclusion.In this lattice, the join of two subgroups is the subgroup generated by their union,… …
63HN group — In mathematics, in the field of group theory, a HN group or hypernormalizing group is a group with the property that the hypernormalizer of any subnormal subgroup is the whole group.For finite groups, this is equivalent to the condition that the… …
64Ascendant subgroup — In mathematics, in the field of group theory, a subgroup of a group is said to be ascendant if there is an ascending series starting from the subgroup and ending at the group, such that every term in the series is a normal subgroup of its… …
65Earth and Space Sciences — ▪ 1996 Introduction GEOLOGY AND GEOCHEMISTRY In 1995 significant developments took place in the realm of geologic mapping, which provides the foundation for the presentation and comparison of data in the Earth sciences. The most important… …
66Oil well control — is the management of the dangerous effects caused by unexpected high pressures upon surface equipment of oil or gas drilling rigs. Technically, oil well control involves preventing Formation fluid, usually referred to as kick, from entering into… …
67subnormalidad — ► sustantivo femenino Cualidad de subnormal. * * * subnormalidad 1 f. Cualidad de subnormal (por debajo de lo normal). 2 Deficiencia mental. * * * subnormalidad. f. Condición de subnormal …
68ESN — abbr. educationally subnormal. * * * abbrev 1. Educationally subnormal, formerly used to describe people with special educational needs 2. Electronic serial number, a unique, unchangeable number embedded in a mobile phone to identify it * * * ESN …
69Cyril Burt — in 1930 Sir Cyril Lodowic Burt (3 March 1883 – 10 October 1971) was an English educational psychologist who made contributions to educational psychology and statistics. Burt is known for his studies on the heritability of IQ. Shortly after he… …
70Tommy Douglas — Infobox Premier honorific prefix=The Honourable name = Thomas Clement Douglas honorific suffix= PC, MP, CC, SOM, MA, LL.D ( hc ) caption = The Honourable Thomas Clement Douglas office1 = 7th Premier of Saskatchewan term start1 = July 10, 1944… …
