Results 21 to 30 of about 2,509 (175)

Synthese und Reaktivität von Quadratsäure-Iminiumchloriden

CHIMIA, 1972
Reaction of substituted diamides of squaric acid with various halogenating agents such as thionyl chloride or carbonyl chloride yields the halogenated compounds 4 ⇄ 5 (X = Cl-), which can be converted to the iminium halides 5a-d by addition of antimony ...
Gunther Seitz, Hartmut Morck
doaj   +1 more source

A theoretical basis for bioindication in complex ecosystems

Ecological Indicators, 2022
With increasing levels of anthropogenic stress, monitoring the state of ecosystems or their pollution levels is of growing importance. Central to this is an information transfer that results in biotic factors reflecting the ecosystem’s condition or any ...
Theodor Sperlea, Dominik Heider, Georges Hattab   +2 more
doaj   +1 more source

Fish Migration Through Ship Locks at the Danube River, Austria

River Research and Applications, EarlyView.
ABSTRACT Longitudinal connectivity in the Austrian section of the Danube has improved over the last three decades thanks to the progressive installation of fish passage facilities at hydropower plants. However, navigation locks which are present at all barrages remain poorly quantified with respect to their role in fish migration.
Walter Reckendorfer, Barbara Grüner, Renate Degen, Regina Petz‐Glechner, Ursula Scheiblechner, Michael Schabuss   +5 more
wiley   +1 more source

Symbols of Climate Action: Audit Labor and the Production of Carbon Credits

Economic Anthropology, EarlyView.
ABSTRACT Voluntary carbon markets (VCMs) are promoted as tools for financing climate mitigation, yet their effectiveness and credibility remain contested. This article examines how carbon credits are produced and destabilized as symbols of climate action, emphasizing the forms of ecological and audit labor that sustain their legitimacy.
Diego Silva Garzón
wiley   +1 more source

Hicri İlk Dört Asırda Sahih Kıraatlere Yönelik Eleştiriler ve Sebepleri

Artuklu Akademi
Kıraat ilminin müstakil kitaplarda yer alması hicrî 3. ve 4. asra tekabül etmektedir. Bunun öncesinde sahîh, şâz, müdrec ve mevzu gibi birden fazla kategoriyi içinde barındıran kıraat birikimi sözlü olarak aktarılmaktaydı. Hicrî 4.
İdris Yiğit
doaj   +1 more source

Chromosome‐Level Genome Assemblies of Two Softshell Turtles with ZZ/ZW Provide Insights into TE‐Driven Recombination Suppression in Sex Chromosomes

Integrative Zoology, EarlyView.
This study presents the first genomic identification and characterization of ZW sex chromosomes in two soft‐shelled turtle species through genome assembly and resequencing. We reveal the structural organization of ZW chromosomes, identifying both pseudoautosomal regions (PARs) and differentiated regions.
Jianjun Liu, Zhiyuan Yang, Min Tang, Tingting Chen, Siqi Liu, Ziyao Meng, Xingjiang Bu, Xingquan Xia, Guang Yang, Liuwang Nie   +9 more
wiley   +1 more source

Diskursus Pemikiran Al-Jahiz Mengenai Gangguan Berbahasa

Arabiyatuna: Jurnal Bahasa Arab, 2018
The study of language pathology has been going on longer and developing with the development of language studies, the problems encountered in learning speaking skills are often related to speech skills which sometimes enter the language pathology area ...
Muhammad Azizzullah Ilyas
doaj   +1 more source

The Early Upper Palaeolithic open‐air site of Friedrichsdorf‐Seulberg, Germany, in the context of the northern central European Aurignacian

Boreas, EarlyView.
Our knowledge of the Early Upper Palaeolithic occupation in northern central Europe is very limited, and recent research at the open‐air site of Friedrichsdorf‐Seulberg in Hesse, Germany, provides important new information on the Aurignacian. The site is rather small (26.5 m2) and spatial analysis identified a central hearth with two associated ...
Tilman Böckenförde, Gabriele Russo, Neda Rahimzadeh, Felix Bittmann, Nikolitsa Nikolakopoulou, Thomas Terberger   +5 more
wiley   +1 more source

KOMPOSITION UND PERSONENFÜHRUNG IN XENOPHONS SYMPOSION ALS PARADIGMA SEINER ERZÄHLKUNST; pp. 311–332 [PDF]

Trames, 2015
Xenophon’s Symposium is a carefully composed book that captivates his readers from the first to the last line. It offers a view of the extensive conversation through­out the dialogue.
Otto Kaiser
doaj   +1 more source

The Diffusion of Local Administrative Innovation: Investigating Municipal Climate Managers in the State of Hessen in Central Germany

Public Administration Review, EarlyView.
ABSTRACT Many cities and municipalities aim to address climate change, yet their rigid administrative structures often constrain effective action. Therefore, local authorities must innovate to build administrative capacity and enable work across departmental silos. However, we lack knowledge of how such administrative innovations emerge and become more
Kai Schulze, Jonas J. Schoenefeld, Marco Nicolay   +2 more
wiley   +1 more source