Urinary excretion of vanilmandelic acid in the glossalgia syndrome

Under observation there were 78 patients aged 41 to 70 years suffering from the glossalgia syndrome, as well as 25 clinically healthy subjects. An activation of the sympathoadrenal system was revealed in the patients. This was ascertained on the basis of the data on vanillylmandelic acid excretion with the urine. The excretion of that acid is known to be dependent on the intensity of the paraesthesias, the duration of the ailment and the character of concurrent visceral diseases. The results obtained are regarded as evidences of the participation of the vegetative nervous system in the mechanism of the glossalgia syndrome development.     

Renin localization in segmental renal hypoplasia. Immunohistochemical demonstration in two cases

The distribution of renin in two cases of segmental renal hypoplasia was investigated by immunofluorescence and the peroxidase anti-peroxidase (PAP) method using an anti-human renin antiserum. Renin-containing cells were found only in hypoplasic segments in the vicinity of altered glomeruli and small arteries. Well-preserved renal cortex and areas of chronic atrophic pyelonephritis failed to show any demonstrable site of renin production. Whatever is the mechanism of the disease, the characterization of large numbers of renin-containing cells in the affected kidney support a role for the renin-angiotensin system stimulation in this form of hypertension.     

Refractories from fused magnesite-chromite in the lining of a nickel converter

Conclusions Refractories based on a fused magnesite-chromite material are 33–35% more durable than ordinary magnesite-chromite refractories. Their erosion depends to a slightly greater extent on spalling than on chemical dissociation. A relation exists between the pattern of impregnation with the converter melts and the development of cracks in the refractory.The durability of the converter lining can be increased still further by increasing the density of the refractories.Translated from Ogneupory, No. 6, pp. 28–32, June, 1977.     

Experimental study of the therapeutic action of the surface antigenic complex of Staphylococcus

The comparative experimental study of the therapeutic action of staphylococcal antigenic complex obtained by the method of aqueous extraction, corpuscular formalinized vaccine and commercial staphylococcal preparations (native toxoid and antiphagin) revealed the statistically significant difference in the process of the healing of local dermatonecrotic inflammation in the rabbits treated with staphylococcal antigenic complex in comparison with the untreated rabbits.     

Investigation of the Serviceability of the Heat Shield of the Orbital Aircraft “Buran” under the Conditions of Radiant Heating on Solar Plants

We have investigated the serviceability of the heatinsulating tiles of the orbital aircraft Buran under radiant heating on an SGU7 solar plant with a mirror concentrator 5 m in diameter. Cycles of aerodynamic heating with a duration of 20 min were simulated. For the total number of cycles for different materials from 20 to 85, the efficiency and serviceability of TZMKtype materials with different coats have been corroborated. The results obtained agree with the test data obtained on gasdynamic (power consumption 1 MW) and radiation (250 kW) test beds, which enables such tests to be recommended for use at preliminary stages in powersaving and ecologically harmless solar furnaces.