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The level of physical development and physical fitness in 6-7-year-old children from school and pre-school institutions in Gdansk

100%

Resiak M. , Niedzielska A.

nr 4

Interest in the development of a 6-7-year-old child derives among other things from the necessity to evaluate child's readiness to take up a regular educational process. Physical development and physical fitness of the child are components of school maturity.The purpose of the study was to show similarities and differences in the level of physical development and fitness of children attending school and pre-school institutions in the years 2005-2009 in Gdansk.15,578 children (8,006 boys and 7,572 girls) from Gdansk were subject to research in the years 2005-2009. The measurements of the height, body mass and 5 skin folds were carried out. BMI and %BF were calculated. To determine the physical fitness level, the following tests were applied: sit and reach, standing broad jump, sit-ups and a 3-min step-test.In pre-schools children higher values of body height were observed in the investigated period (2005-2009) but, at the same time, there were no differences in body mass between children from pre-schools and schools. Nor did the children differ in the amount of fat deposition. In the fitness level the biggest differences between the results achieved by children from schools and pre-schools were noted in the test of standing broad jump on both feet. Both boys and girls from pre-schools got higher scores in this test and their post-effort HR was lower in comparison with their peers from schools.Differences in the level of physical fitness, especially its manifestations depending on everyday physical activity, reflect well on conditions created for children in pre-schools.

Modyfikacja podłoża stali AISI 316L z naniesioną warstwą węglową (NCD) pod powłoki z hydroksyapatytu (HAp)

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Gawroński J. , Niedzielska A.

tom Vol. 27, nr 5

959-961

Praca ta stanowi początkową fazę badań związaną z analizą właściwości powierzchni stali AISI316Lz naniesioną warstwą węglową. Powłoki te wytworzone zostały metodą RF PACVD pozwalającą na sterowanie ich właściwościami fizyko - chemicznymi. W ramach przeprowadzonych prac zastosowano szeroki zakres parametrów procesu nanoszenia warstw węglowych (m.in. potencjał autopolaryzacji, czas, ciśnienie) oraz użyto dwóch różnych gazów, wodoru i tlenu - celem terminacji wiązań na powierzchni. Opracowana metoda pozwala na projektowanie podłoża o określonych,korzystnych właściwościach podwarstwy hydroksyapatytowe.

This paper presents the results from the preliminary study on the properties of AISI 316L steel with the carbon layer. Carbon coatings were fabricated by the RF PACVD method, which enable to control its physic - chemical properties. During investigations, the wide range of parameters (ex.: time, pressure) and two kinds of gases, hydrogen and oxygen for bond surface termination were used. The new presented methodology enable to project the surface with determined and valuable properties before hydroxyapatite deposition.

Glutamate: glyoxylate aminotransferase from the seedlings of rye (Secale cereale L.)

100%

Paszkowski A. , Niedzielska A.

nr 1

The influence of cyanobacterial microcystin-LR and -RR on rabbit peripheral blood cells

80%

Niedzielska A. , Krolikowska K. , Kwinkowski M. , Kaca W.

nr 3