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81.
The authors elaborated new methodic approaches to evaluation of acute ammonium and chlorine toxicity caused by possible accidental release. The approaches are based on comparison of clinical and toxicologic characteristics of various types of acute chlorine poisoning with calculated levels of chlorine in air. 相似文献
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84.
IuT Kalinin NM Pustoshilova LA Denisov SS Afanas''ev VI Marchenko AA Vorob''ev OV Rubal''ski? GIa Shcherbakov 《Canadian Metallurgical Quarterly》1998,70(10):29-32
46 patients with coronary heart disease with hypercholesterolemia were exposed to therapeutic plasmapheresis (TP) in combination with alpha-tocopherol treatment (AT). The results of 3-month follow-up with assessment of the clinical status, lipid spectrum, lipid peroxidation, concentration of ceruloplasmin indicated high hypolipidemic effectiveness of TP 2-3 weeks after the treatment as shown by inhibition of lipid peroxidation and antioxidant system. The addition of AT prolonged the hypolipidemic effect of TP, promoted optimization of plasma antioxidant potential (a rise in HDL, stabilization of ceruloplasmin levels). 相似文献
85.
ES Naumenko AG Gol''del''man LI Tikhotskaia EP Zhovtiak AL Iarina VI Ershov EN Larina 《Canadian Metallurgical Quarterly》1998,37(2):16-20
Seventy-five newborns from multiple pregnancies with very low and extremely low birth weight are studied. 94% of the infants under 1000 g and 66% of those above 1000 g are born by vaginal way. Intrapartal asphyxia develop most often the second twins with birth weight under 1000 g--64.7%. These are the infants with higher morbidity: RDS--56.5%, IVH--100%. The survival rate of the twins of this group is notably lower than that of the infants from singleton pregnancies with equal weight and gestational age: 12.1% under 1000 g and 69% above 1000 g, against 38.3% and 77.9% respectively. 相似文献
86.
VI Prosheva 《Canadian Metallurgical Quarterly》1998,29(3):79-91
On the basis of the own and literature data the original conception on pacemaker system of the heart experimentally is grounded. The new classification of the specialized structure--functional formations in the heart is suggested. The functional specificity of pacemaker system is considered in the comparative-ontogenetic aspect. 相似文献
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88.
This review considers the relation between the evolution of ether lipids and platelet-activating factor (PAF) in living organisms for the first time. Ether lipids are shown to be the main structural lipid components in the cells of the most primitive organisms on the Earth; during evolution they were gradually substituted for lipids with ester and vinyl bonds. Synthesis of PAF has been found in some bacteria, protozoans, yeasts, plants, marine invertebrates, lower vertebrates, and mammals. The regulatory role of PAF is suggested to already appear in protozoans and later be maintained during the subsequent evolution of living organisms. During evolution, functions of PAF in the cell have been changing and enlarging, while ether lipids have been gradually losing their role as the main structural lipid component of the cells of living organisms. 相似文献
89.
OE Surnina VI Lupandin OS Silivanova TV Zvereva 《Canadian Metallurgical Quarterly》1997,47(4):658-663
Two groups of children (5-6-year-old and 7-8-year-old) were presented with pairs of sound signals of the same or different durations. Sound signal durations in pairs could be 1.0, 1.2, 1.5, and 2.0 sec. The children had to detect the difference between the sounds in a pair. The obtained data were compared to the analogous results shown by the 18-39-year-old subjects. It was found out that the ability to discriminate intervals of short duration substantially improved with age. This phenomenon in presumably connected with perfection of the short-term memory. Independently of the subject's age, the order of presentation of signals in a pair influences the ability to discriminate between their durations. 相似文献
90.