Results 71 to 80 of about 2,638,489 (373)

History of Catalan numbers [PDF]

open access: yes, 2014
We give a brief history of Catalan numbers, from their first discovery in the 18th century to modern times. This note will appear as an appendix in Richard Stanley's forthcoming book on Catalan numbers.Comment: 10 ...
Pak, Igor
core   +1 more source

Nonconventional Techniques in Plant Alkaloid Extraction: A Decade of Progress (2014–2023)

open access: yesChemistry &Biodiversity, EarlyView.
This figure seeks to represent the evolution of the different unconventional approaches that were adopted for the extraction of plant‐derived alkaloids during the decade from 2014 to 2023. ABSTRACT Plant metabolism encompasses primary and secondary pathways, with secondary metabolism yielding diverse natural products crucial for plant adaptation and ...
Victor Menezes Sipoloni   +5 more
wiley   +1 more source

Documentation of a Collection of Archaeological Materials from the Millsey Williamson Site (41RK3), A Historic Nadaco Caddo Settlement [PDF]

open access: yes, 2007
The Millsey Williamson site (41RK3) is a well known historic 18th century Nadaco Caddo site on Martin Creek in Rusk County, Texas. It is one of a number of 18th and early 19th century Kinsloe phase sites in the middle Sabine River basin apparently ...
Nelson, Bo, Perttula, Timothy K.
core   +1 more source

On Freedom [PDF]

open access: yes, 2021
This is an English translation of Emilie Du Châtelet's "Sur la liberté." This 18th century text discusses freedom of the will, determinism, and divine foreknowledge. Translated from French by Julia Jorati, with the help of Julie Roy.
du Châtelet, Émilie
core  

The Norwegian legacy of resisting formal grading

open access: yesThe Curriculum Journal, EarlyView.
Abstract Norway has a longstanding tradition of prohibiting formal grading in primary education. This paper traces a century of restrictive grading policies and their associated discourses. Using Bacchi's (2009) What's the Problem Represented to be framework, we present an analysis of the policy documents that have underpinned Norwegian assessment ...
Henning Fjørtoft   +2 more
wiley   +1 more source

Anti‐Doping Testing at FIFA World Cup 2022

open access: yesDrug Testing and Analysis, EarlyView.
The FIFA 2022 World Cup was fully accomplished by the Anti‐Doping Lab Qatar. The article describes the doping analysis work, achievements, and lab structure in details. ABSTRACT The 22nd FIFA World Cup, the world championship for national football teams, was held in Qatar from November 20th to December 18th, 2022.
Alanod D. AlQahtani   +12 more
wiley   +1 more source

Generation of an iPS cell line via a non-integrative method using urine-derived cells from a patient with USH2A-associated retinitis pigmentosa

open access: yesStem Cell Research, 2018
We have established an induced pluripotent stem (iPS) cell line using urine-derived cells from a 27-year-old male patient with retinitis pigmentosa associated with point mutations in the USH2A gene. Feeder-free culture conditions and the integration-free
Yonglong Guo   +15 more
doaj  

Rest‐activity rhythm phenotypes in adults with epilepsy and intellectual disability

open access: yesEpilepsia Open, EarlyView.
Abstract Objective Rest‐activity rhythms (RARs) are perturbed in many forms of neuropsychiatric illness. In this study, we applied wrist actigraphy to describe RAR perturbations in intellectually disabled adults with epilepsy (“E + ID”), using a cross‐sectional case–control design.
Nandani Adhyapak   +3 more
wiley   +1 more source

Strategie polskich tłumaczy włoskich librett w XVIII wieku

open access: yesMiędzy Oryginałem a Przekładem, 2013
Strategies in Translating Italian Librettos in 18th Century Poland Polish dramatic writers of the 18th century very often referred to the European repertoire. The majority of Polish dramas in fact were translations or adaptations of foreign texts. Among
Jadwiga Miszalska
doaj   +1 more source

The Relationship Between Enslaved Individuals And Plantation Architecture In 18th And 19th Century Virginia [PDF]

open access: yes, 2020
The Relationship Between Enslaved Individuals And Plantation Architecture In 18th And 19th Century Virginia Emma Clark, Depts. of History and Anthropology, with Dr. Bernard K. Means, Dept.
Clark, Emma
core   +1 more source

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