نتایج جستجو برای: 1859 1925م

تعداد نتایج: 1900  

2015
Stefan Muller Josef Hofbauer

Dedicated to the memory of the Viennese chemists and mathematicians Rudolf Wegscheider (1859–1935), Hilda Geiringer (1893–1973), and Friedrich J. M. Horn (1927–1978) Abstract The process of genetic recombination can be seen as a chemical reaction network with mass-action kinetics. We review the known results on existence, uniqueness, and global stability of an equilibrium in every compatibility...

2003
MOSHE SIPPER DANIEL MANGE EDUARDO SANCHEZ

rent engineering capabilities. Nature is the grandest engineer known to man-though a blind one at that: her designs come into existence through the slow process, over millions of years, known as evolution by natUral selection [2]. As put forward by Charles Darwin in his 1859 masterpiece, On the Origin of Species, evolution is based on "...one general law, leading to the advancement of all organ...

Journal: :Past & Present 2021

Abstract This article examines mid-nineteenth-century Anglo-French relations through the prism of musical standardization. Bringing together perspectives from musicology, history science, and political history, it demonstrates holistic value practices for study processes integration. In 1859, Napoléon III's government determined a national pitch to which musicians should tune their instruments....

Journal: :Urdimento 2021

Este artigo apresenta a argentina Juana (Joana) Paula Manso de Noronha no período em que viveu Rio Janeiro, entre 1840 e 1859, atuou como jornalista, romancista, educadora, mas principalmente dramaturga atriz. Joana trabalhou Teatro São Pedro Alcântara Ginásio Dramático. Escreveu quatro peças dramas comédia, podendo ser considerada primeira “brasileira” relevância na história do teatro nacional.

Journal: :Far Eastern entomologist 2021

An annotated list of 19 species Pterophoridae recorded from Pakistan is given. Five are new to this country, namely Platyptilia avicennai Ustjuzhanin et Kovtunovich, 2016, Cnaemidophorus rhododactylus (Denis Schiffermüller, 1775), Stenoptilia stigmatodactyla (Zeller, 1852), Hellinsia pectodactyla (Staudinger, 1859), and Amblyptilia sp. A synonymy established: Exelastis ebalensis (Rebel, 1907) =...

2015
Paul Garrett

A form of this was conjectured by Gauss about 1800, [Chebyshev 1848/52] and [Chebyshev 1850/52] made notable progress with essentially elementary methods. The landmark paper Riemann 1859] made clear the intimate connection between prime numbers and the behavior of ζ(s) as a function of a complex variable. The theorem was proven independently by [Hadamard 1896] and [de la Vallée Poussin 1896] by...

2010
Anurag A. Agrawal Jeffrey K. Conner Sergio Rasmann

Hairless dogs have imperfect teeth; long-haired and coarse-haired animals are apt to have, as is asserted, long or many horns; pigeons with feathered feet have skin between their outer toes; pigeons with short beaks have small feet, and those with long beaks large feet. Hence, if man goes on selecting, and thus augmenting, any peculiarity, he will almost certainly unconsciously modify other par...

Journal: :Megataxa 2023

Linyphiidae Blackwall, 1859 is the second most specious family of spiders, with 4807 species currently recognized in 632 genera (WSC, 2023). An extensive survey spiders conducted during 1988–2006 Gaoligong Mountains and adjacent areas Yunnan Province revealed about 110 belonging to 53 genera, including seven new 76 (Irfan et al., 2022).

Journal: :Ecologica Montenegrina 2022

Five new species of the genus Miltochrista Hübner, [1819] are described: kravchenkoi sp. n. (Myanmar: Chin State), velona (NW Myanmar, SW China (Sichuan) and N Vietnam), pachia Myanmar: ekliptika Kachin States), tinsukia (NE India: Assam). The lectotype for Cyllene humilis Walker, 1859 is designated. Adults, male female genitalia similar illustrated.

Journal: :European journal of taxonomy 2021

The scarab beetles of the subfamily Orphninae (Coleoptera: Scarabaeidae) from Sri Lanka are reviewed. Four species genus Orphnus Macleay, 1819, recorded island: O. bicolor (Fabricius, 1801), parvus (Wiedemann, 1823), mysoriensis Westwood, 1845, and medvedevi sp. nov. Lectotypes designated for three former names. Synonymy detegens Walker, 1859, scitissimus is discussed. Keys, illustrations habit...

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