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The inÛuence of interstitial hydro gen concentration and structural defects caused by quenching of pallad iu m, b egun at di ̃erent temp eratures up to the temp erature of liqui d nitrogen or by stretching by external forces, on spectra of lif etimes of positrons in this metal w as investigated . I t w as found that the spectra of p ositron lif etimes in the examined systems are b est describ ed...

Many temporary cements are commercially available; therefore, it is necessary to indicate them for each clinical requirement with regard to the tensile strength of prosthetic retainers. Thus, the purpose of this study was to compare the retention of provisional crowns cemented with eight temporary cements, over full crown preparations with standardized mechanical principles as height, taper, an...

over the last de cades of the twentieth century. Time and again, newspaper headlines have lamented what the New York Times called the “downsizing of America”:1 wage freezes and massive layoff s; closed factories and jobs moved abroad; permanent employees replaced by contingent workers. Wages stagnated and access to benefi ts declined. Th e possibility of lifetime employment was replaced with th...

An accurate measure of core body temperature is critical for monitoring individuals, groups and teams undertaking physical activity in situations of high heat stress or prolonged cold exposure. This study examined the range in systematic bias of ingestible temperature sensors compared to a certified and traceable reference thermometer. A total of 119 ingestible temperature sensors were immersed...

Acid rain still poses a global problem today, exerting many adverse effects on man, animal, and materials. As its research question, the present study tries to find out whether or not acid rains exist in Akure, Nigeria. For so doing, it determines physico-chemical properties of rain water samples, namely pH, temp, Electrical Conductivity (EC), TDS, acidity, SO4-, NO2-, Cl-, and Free CO2. Accord...

Non-thermal atmospheric pressure plasmas enable plasma treatment of surfaces without requiring a low-pressure environment. These plasmas are currently of interest for, among other things, their biomedical applications, many of which are enabled by production of reactive oxygen and nitrogen species (RONS). Plasma–liquid interactions are especially important due to the high amounts of water in bi...

4 P.M.?Temp. 105?, pulse 130, resp. 40, other symptoms same as in the morning. Pulse weaker; resp. jeiky and hurried; pain increased in the head ; first sound of the heart nearly inaudible ; had one feculent bilious stool, no vomiting. Continue medicine every 2 hours, mustard plaster to nape. 1 Gth May 1891, 7 a.m., temp. lOo^0. Very weak and prostrated, pulse very frequent and weak, could not ...

The uptake of guanethidine (3.3×10-5 M), debrisoquin (8.4×10-4 M), bretyliun (5.0 10-4 M) and xylocholine (1.0×10-3 M) by adrenergic neuron was studied indirectly by testing the ability of noradrenaline (NA) regarding low temp. or sodium deprivation to prevent or reverse adrenergic neuron blocking action in the indirectly stimulated ...