Effectiveness of furfural as an organic inhibitor in 5 percent hydrochloric acid which is used in acid pickling of steel was evaluated. Lungmuir, Frumkin and Flory-Huggins isotherms [1, 2] were used to determine the parameters of effective adsorption, free energy and entropy of adsorption. Furfural indicated an inhibition less than 17 percent in concentrations of 0.001 mole per liter for a dura...

A method using micro-fiber glass filters (8-micrometers porosity) at pH 3.5 was successfully used for simultaneous concentration of Salmonella and enterovirus from Meurthe River samples, collected 8 km south of Nancy, France. A concentration of 10-liter samples was indispensable and permitted recovery of several enterovirus and Salmonella serotypes in concentrations of 1.3 most probable number ...

In order to enlarge the scope of the calorimetric method for the determination of creatinine and creatine it is, I think, necessary to replace the bichromate standard with standard creatinine solutions, and in the next two papers will be described various adaptations of the method based on this principle. In connection with this work I have again gone over the subject of the preparation of crea...

Copyright © 2012 Massachusetts Medical Society. Acute limb ischemia due to a perioperative type B (distal) thoracic aortic dissection develops in a 90-kg, 20-year-old man with Marfan’s syndrome who is admitted to the hospital for elective aortic-valve replacement. On postoperative day 1, he undergoes endovascular repair of the thoracic aorta. On postoperative day 4, his urine output decreases t...

Methods are described for detection of lactate dehydrogenase (LDH) inhibitors in preparations of reduced nicotinamide adenine dinucleotide. They are (a) comparison of values by kinetic methods with those measured for highly purified NADH and (b) examination of Lineweaver-Burk plots. Chromatographic inhomogeneities are correlated with deviant values for the kinetic constants of NADH preparations...

The number of functionally independent scalar invariants of arbitrary order of a generic pseudo–Riemannian metric on an n–dimensional manifold is determined.

The effects of sublethal concentrations of a variety of chemicals on the susceptibility of rainbow trout (Oncorhynchus mykiss) juveniles to Saprolegnia parasitica infection was examined. Sublethal concentrations of un-ionized ammonia (0.05 mg/liter) and nitrite (0.12 mg/liter) increased fish susceptibility after 10 days of exposure to the toxin, this increase being higher for ammonia (75% and 2...

In a tubular photobioreactor, microalgae cells obscure one another (Self-shading), leading to the at bottom of tube getting less light. The objective this research was design and develop Tubular Photobioreactor with 93.5 liters for cultivation. experiments had two steps. first step designing solar receiver by inserting fin into each wall as follows: 12-34, 1-2-3-4, 1234, 13-24. Then, FLUENT sof...

Fifty Merino weaner sheep grazing on a wheat stubble at Wongan Hills were fed ad lib. either oat grain mixed with limestone (2% w/w) or just oat grain during the summer and autumn of 1985. The addition of limestone to the oat supplement increased the growth of the sheep from 39 g/day to 83 g/day (P<O.OOl) during the first 70 days of feeding. A summer thunderstorm resulted in a brief germination...