Results 31 to 40 of about 32,366 (218)

Searching for Jewish Ancestors before They Had a Fixed Family Name—Three Case Studies from Bohemia, Southern Germany, and Prague

Genealogy
Anyone who traces their Jewish ancestors back to the 18th century and even further back in history encounters the challenge of looking for ancestry without the clue that a fixed family name provides.
Thomas Fürth
doaj   +1 more source

Double Helix Structure for Stable Flexural Actuation in Soft Robotics

Advanced Intelligent Systems, EarlyView.
This work introduces a double‐helical architecture for soft robotic actuators that enhances twisting resistance, increases output force, and minimizes undesired deformation. Actuators driven by shape‐memory alloy wires exhibit a roughly fivefold higher torsional/flexural stiffness ratio and 50% greater force output.
Louis Plottel, Richard Desatnik, Dinesh K. Patel, Philip LeDuc, Carmel Majidi   +4 more
wiley   +1 more source

Heterosis in crosses between remnant populations of the rare prairie forb Silene regia: Implications for restoration genetics

American Journal of Botany, EarlyView.
Abstract Premise Calls to adopt seed‐sourcing strategies in biological restoration that preserve local adaptation while maximizing genetic variation (e.g., regional admixture provenancing) are increasingly common. Heterosis, the increased fitness of progeny from crosses between populations relative to progeny from crosses within populations, could ...
Isabelle A. Turner, Juan Diego Rojas‐Gutierrez, Bob Easter, Christopher G. Oakley   +3 more
wiley   +1 more source

Electric Arc Furnace Steelmaking

Metals
Research and development regarding the electric arc furnace (EAF) started as early as the late 19th century [...]
Ville-Valtteri Visuri, Thomas Echterhof
doaj   +1 more source

From panchuran to waterleiding: clean water solutions in Colonial Bandung, West Java, Dutch East Indies (1898‒1934)

Історія науки і техніки, 2023
This study examines clean water management in Bandung, West Java, Dutch East Indies (Indonesia), from the late 19th Century to the early 20th Century.
Hary Ganjar Budiman, Gregorius Andika Ariwibowo, Nanang Saptono, Endang Widyastuti, Indah Asikin Nurani   +4 more
doaj   +1 more source

Victorian Rainbow Makers: Variations on Colour Poetics

Angles, 2017
In his 1993 book retracing the history of synthetic dyestuffs, Anthony S. Travis describes the 19th century chemists who devised new aniline dyes for the expanding textile industry as “rainbow makers”.
Charlotte Ribeyrol
doaj   +1 more source

Introduction to “Protestant Christianity in South Korea: The Dynamic Relationship Between Church and State”

Religions
The study of Korean Protestantism can be traced back to the writings of missionaries in the late 19th century [...]
Kaspars Kļaviņš, Ildze Šķestere
doaj   +1 more source

Divulgar o Brasil civilizado. O uso da imprensa e a divulgação da literatura como meios de remodelar a imagem do Brasil na França (1883-1901)

Les Cahiers de Framespa, 2020
Fighting against the stereotype of « exotic Brazil », present in the French press of the late 19th century, Brazilian propagandists – among whom Count de Barral and José de Santa-Anna Nery – tried to establish an image of their country as modern and ...
Tanize Costa
doaj   +1 more source

New techniques for old bones: Morphometric and diffeomorphometric analysis of the bony labyrinth of the Reilingen and Ehringsdorf Neandertals

The Anatomical Record, EarlyView.
Abstract Neandertals are known to possess very distinctive traits in their bony labyrinth morphology, such as an inferiorly positioned posterior canal and a very low number of turns in the cochlea. Hence, the inner ear has been often used to assess the Neandertal status of fragmentary fossils.
Alessandro Urciuoli, Julia Diez‐Valero, Ignacio Martínez, Rolf Quam, Brian A. Keeling, Nicole M. Webb, Mercedes Conde‐Valverde   +6 more
wiley   +1 more source

Učebnice českých učitelů v Bulharsku: 80. a 90. léta 19. století [PDF]

Studia Ethnologica Pragensia, 2016
From significant Czech migration to Bulgaria in the late 19th century, Czech teachers were the largest vocational group. The late 19th century was also one of the epoch-making periods of Bulgarian history when the system of secondary and grammar schools ...
Pavel Zeman
doaj