Zobrazeno 1 - 10
of 231
pro vyhledávání: '"Christian Schumacher"'
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 19, Iss 1, Pp 91-99 (2023)
Cholesterol reacts under Appel conditions (CBr4/PPh3) to give 3,5-cholestadiene (elimination) and 3β-bromocholest-5-ene (substitution with retention of configuration). Thus, the bromination of cholesterol deviates from the stereochemistry of the sta
Externí odkaz:
https://doaj.org/article/928a1fabf1d64cb48e6a798167d725be
Publikováno v:
Clinical and Experimental Dental Research, Vol 7, Iss 6, Pp 1183-1189 (2021)
Abstract Objectives The aims of this study were to examine the associations between perceived social support and oral health behaviors among adolescents and if this perception had a protective effect against the influence of perceived racial discrimi
Externí odkaz:
https://doaj.org/article/e5701ca0421943079f408ec70b946dfa
Publikováno v:
Advanced Science, Vol 9, Iss 19, Pp n/a-n/a (2022)
Abstract Mechanochemistry uses mechanical force to break, form, and manipulate chemical bonds to achieve functional transformations and syntheses. Over the last years, many innovative applications of mechanochemistry have been developed. Specifically
Externí odkaz:
https://doaj.org/article/32d9cbd451bc441fa2ce77a2e2f642f2
Autor:
Christian Schumacher, Lieselotte Fritz, Lena M. Hanek, Vitali Sidorin, Daniel Brüx, Carsten Bolm
Publikováno v:
Molecules, Vol 28, Iss 2, p 807 (2023)
This study presents the development of a mechanochemical protocol for a charge-accelerated aza-Claisen rearrangement. The protocol waives the use of commonly applied transition metals, ligands, or pyrophoric Lewis acids, e.g., AlMe3. Based on (hetero
Externí odkaz:
https://doaj.org/article/9208c879ffc04a6c833b21d96009bc38
Autor:
Christian Schumacher, André Seyfarth
Publikováno v:
Frontiers in Computational Neuroscience, Vol 11 (2017)
In human and animal motor control several sensory organs contribute to a network of sensory pathways modulating the motion depending on the task and the phase of execution to generate daily motor tasks such as locomotion. To better understand the ind
Externí odkaz:
https://doaj.org/article/adc2da58bbb44ec3a46ea47d1f921a50
Publikováno v:
Applied Sciences, Vol 8, Iss 8, p 1220 (2018)
Multi-material additive manufacturing (AM) offers new design opportunities for functional integration and opens new possibilities in innovative part design, for example, regarding the integration of damping or conductive structures. However, there ar
Externí odkaz:
https://doaj.org/article/c2d6e7dbc6964c0e906011a3e6990958
Autor:
Flor Alba Ruiz, Christian Schumacher
Publikováno v:
Educación y Educadores, Vol 11, Iss 2, Pp 91-105 (2008)
En este artículo se presenta el Course Experience Questionnaire (CEQ), un instrumento de evaluación de la calidad de la docencia, y se discuten las experiencias obtenidas con la aplicación del mismo en la Escuela de Ciencias Humanas de la Universi
Externí odkaz:
https://doaj.org/article/901643d9939d4761bce472c42613006b
Autor:
Christian Schumacher
Publikováno v:
Areté, Vol 24, Iss 1 (2012)
La historia de las ideas en América Latina está atravesada por una relación enajenada con la naturaleza, que aparece como mágica, indescifrable y hostil. Las dos características principales de esta concepción de naturaleza son la abundancia de
Externí odkaz:
https://doaj.org/article/8879cc17a97d4cc38845986e6fb2e5ff
Autor:
Justine Vansynghel, Carolina Ocampo‐Ariza, Bea Maas, Emily A. Martin, Evert Thomas, Tara Hanf‐Dressler, Nils‐Christian Schumacher, Carlos Ulloque‐Samatelo, Teja Tscharntke, Ingolf Steffan‐Dewenter
Publikováno v:
Ecological Solutions and Evidence, Vol 3, Iss 2, Pp n/a-n/a (2022)
Abstract Pollination services of cacao are crucial for global chocolate production, yet remain critically understudied, particularly in regions of origin of the species. Notably, uncertainties remain concerning the identity of cacao pollinators, the
Externí odkaz:
https://doaj.org/article/c4179467d3dc409bb66bece7e017584d
Autor:
Christian Schumacher
Publikováno v:
OPERA. :157-172
Este artículo de investigación presenta un método de análisis de códigos de ética guiada por los intereses estratégicos de la organización. Para la revisión de códigos de ética es importante entender su estructura de valores. El primer pas