SEVERAL REPORTS HAVE been published from this department regarding the pharmaeokineties of carbonated lidoeaine base during anaesthesia. 1-a In comparison with the hydroehloride salts, for epidural anaesthesia carbonated solutions of local anaesthetics have been shown to have a decreased latent period for onset of analgesia; a decreased latent period for complete spread of anaesthesia; a decrea...

This paper presents an in-situ inspection and experimental investigation on the pore solution pH of concrete cover for the corrosion initiation of rebars under a long-term natural carbonation reaction. A 77-year-old steel mill was inspected, and 35 concrete column cover samples were collected to test the pH of the pore solution and phase compositions layer by layer. The variation in pH and phas...

OBJECTIVE It is proved that acidic soft drinks that are commonly used, have an adverse effect on dental structures, and may deteriorate oral heath of our patients and orthodontic appliances. The aim of this study was to compare the effect of yoghurt drink with other soft drinks on the shear bond strength of orthodontic brackets. MATERIALS AND METHODS Seventy-five first premolar teeth extracte...

We present a rare case of spontaneous intramural oesophageal perforation after the rapid ingestion of a cold carbonated beverage. A previously well patient presented with sudden onset of severe retrosternal pain associated with pain on swallowing. A contrast computed tomography scan and gastroscopy confirmed the diagnosis. With the widespread popular practice of drinking cold carbonated beverag...

baft ophiolite mélange is a part of naein-baft ophiolite (southeast of kerman province in iran). serpentinites from baft ophiolite mélange contain different types of spinels such as chromite, chromespinel, ferritchromite and magnetite which can reveal different stages of evolution in host serpentinites. the compositions of baft chromites show that they belong to podiform chromitites that may ha...

Several large strike slip faults in central and northern California accommodate plate motions through aseismic creep. Although there is no consensus regarding the underlying cause of creep, aqueous fluids mechanically weak, velocity-strengthening minerals appear to play a role. This study integrates field observations thermodynamic modeling examine possible relationships between occurrence serp...

Abstract Petrographic observations combined with mineral compositional analyses constrain the phase relations of prograde metamorphosed serpentinites in Bergell contact aureole (Italy). In a 1500 m profile perpendicular to north-eastern edge intrusion, seven dehydration reactions ran completion. Three previously undocumented have been identified within 70 intrusive contact: olivine + anthophyll...

Bubble nucleation in weakly supersaturated solutions of carbon dioxide—such as champagne, sparkling wines and carbonated beers—is well understood. Bubbles grow and detach from nucleation sites: gas pockets trapped within hollow cellulose fibres. This mechanism appears not to be active in stout beers that are supersaturated solutions of nitrogen and carbon dioxide. In their canned forms these be...

Carbonated local anaesthetics may have shorter latency and greater spread than equivalent hydrochloride salts when used for regional anaesthesia. In brachial plexus anaesthesia produced by the supraclavicular technique, Bromage and Gertel (1970) using 1% lignocaine and Schulte-Steinberg, Hartmuth and Schiitt (1970) using 2% lignocaine, reported a marked decrease in the time of onset of anaesthe...