Results 1 to 10 of about 1,149,466 (198)

Cluster analysis of karyotype similarity coefficients in Epimedium (Berberidaceae): insights in the systematics and evolution [PDF]

open access: yesPhytoKeys, 2020
In order to evaluate the genome evolution and systematics, karyotype analysis of mitotic metaphase chromosomes in 51 taxa of Epimedium and two species of Vancouveria was conducted.
Lin-Jiao Wang   +3 more
doaj   +3 more sources

Changes in land use are associated with the accumulation of soil phytolith-occluded organic carbon

open access: yesEcological Indicators, 2023
Organic carbon occluded in phytoliths is extremely stable and plays important roles in long-term preservation of soil and stable carbon sequestration in terrestrial ecosystems.
Linjiao Wang, Ke Wang, Maoyin Sheng
doaj   +1 more source

Novel Dimer Derivatives of PF-543 as Potential Antitumor Agents for the Treatment of Non-Small Cell Lung Cancer

open access: yesPharmaceutics, 2022
Lung cancer can be divided into non-small cell lung cancer (NSCLC) and small cell lung cancer, and the incidence and mortality rate are continuously increasing. In many cases, lung cancer cannot be completely treated with surgery, so chemotherapy is used
Su Bin Kim   +6 more
doaj   +1 more source

Osmanlı Dönemi Türev Piyasa Örneği Olarak Selem Akdi ve Tartışmaları

open access: yesKocatepe İslami İlimler Dergisi, 2023
Finans dünyası, geçmişten bugüne hızlı bir gelişim ve değişim göstermektedir. Bu gelişim ve değişimi etkileyen faktörlerin başında, insanlar ya da kurumların ilgili dönemlerdeki ihtiyaçları ve istekleri gelmektedir.
İrfan Görkaş, Cantürk Kayahan
doaj   +1 more source

A Reduction of Derivational and Inflectional Morphemes [PDF]

open access: yesMatn/Pizhūhī-i Adabī, 2009
Language, like other natural and social phenomena, is constantly changing. From different linguistic perspectives, it has undergone a lot of changes. One of the linguistic debates has been in the domain of lexical and phonetic changes.
abasali vafaei
doaj   +1 more source

Determining the Anticancer Activity of Sphingosine Kinase Inhibitors Containing Heteroatoms in Their Tail Structure

open access: yesPharmaceutics, 2022
Sphingosine kinase (SK) enzyme, a central player of sphingolipid rheostat, catalyzes the phosphorylation of sphingosine to the bioactive lipid mediator sphingosine 1 phosphate (S1P), which regulates cancer cell proliferation, migration, differentiation ...
Jitendra Shrestha   +9 more
doaj   +1 more source

The Emphatic Compound Adjectives in Arabic [PDF]

open access: yesدراسات في اللغة العربيّة وآدابها, 2014
  Most books of Arabic syntax and morphology refer only to 15 metrical types of emphatic adjectives derived only from three-letter verbs. They judge any formation of adjectives from other types of verbs as ungrammatical constructions.
Ehsan Esmaeeli Taheri
doaj   +1 more source

Potential application of bisoprolol derivative compounds as antihypertensive drugs: synthesis and in silico study

open access: yesRoyal Society Open Science, 2023
Two bisoprolol derivatives, N-acetyl bisoprolol and N-formyl bisoprolol, belonging to the beta-blocker class of antihypertensive drugs, were synthesized using acetylation and formylation reactions. The yields of the reactions were determined to be 32.40%
Ni Putu Sani Oktaviani   +5 more
doaj   +1 more source

Derivative measures [PDF]

open access: yesProceedings of the American Mathematical Society, 1980
A characterization of those measures which are distribution derivatives is undertaken. For functions of n variables in BVC, the derivative measures are absolutely continuous with respect to Hausdorff n − 1 n - 1 measure.
Goffman, Casper, Liu, Fon-Che
openaire   +1 more source

A New Tool for Assessing the Understanding of Calculus by Relying on Relational and Instrumental Understanding

open access: yesEducatio Siglo XXI, 2022
The changes in high school mathematics books in recent years have led to some changes in the concept of calculus, and majority of learners used to work hard on memorizing rather than understanding. In the early years after entering university, they will
Hojjat Moosavi   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy