A digraph is k ${\bf{k}}$ -strong if it has n ≥ + 1 $n\ge k+1$ vertices and every induced subdigraph on at least − $n-k+1$ strongly connected. tournament a with no pair of nonadjacent vertices. We prove that can be made $k$ by adding more than 2 $\left(\genfrac{}{}{0ex}{}{k+1}{2}\right)$ arcs. This solves conjecture from 1994. semicomplete there one arc between any distinct x , y $x,y$ . Since ...

The difference between vitamin K metabolism in the liver and that in the bone of vitamin K-deficient rats was examined. After 17 d administration of vitamin K-deficient food, vitamin K in the liver was almost depleted, and prothrombin time (PT) was prolonged. Serum total osteocalcin level was slightly decreased by vitamin K deficiency, whereas serum undercarboxylated osteocalcin level did not c...

Bu çal??mada fen bilimleri ö?retmen adaylar?n?n laboratuvar? kullan?m?na ili?kin öz yeterliklerinin belirlenmesine yönelik geçerli?i ve güvenirli?i sa?lanm?? bir ölçek geli?tirilmesi amaçlanm??t?r. Çal??ma, 2019-2020 ö?retim y?l?n?n güz döneminde Kayseri Nev?ehir’de bulunan iki üniversitenin Fen Bilgisi Ö?retmenli?i lisans program?n?n 3. 4. s?n?flar?nda ö?renim görmekte olan 194 (166 kad?n 28 e...

Strengthening character education through honestness and responsibility habitation in pai learning at SD MUHAMADIYAH 30 MEDAN. This study aims to determine (1) how plan a program strengthen the habit of honesty PAI Muhamadiyah Medan. (2) How is strategy for implementing strengthening (3) do teachers assess success (4) What are supporting inhibiting factors The research material Islamic religiou...