منابع مشابه
Automatic control for evacuating anaerobic jars.
Displacement of oxygen by an inert gas is a method for attaining anaerobiosis which is preferred by many bacteriology laboratories because of the low cost of the process, and because of the small but real danger of explosion when the alternative, hydrogen with ignition, is used. Several cycles of evacuation and filling are necessary; usually, oxygen-free nitrogen is used with a final charge of ...
متن کاملTests of performance of anaerobic jars.
This paper briefly reviews methods of assessing the in-use performance of anaerobic jars and outlines a simple system combining a rapid test of catalytic activity with a biological indicator that can detect defects in the jars after incubation.
متن کاملCHIPped balance of proteostasis and longevity
Aging is modulated by environmental and physiological changes, involving genetic pathways that are conserved from yeast cells to mammalian organisms. Notably, Insulin/IGF-like signaling (IIS) contributes to the integrity of the cellular proteome and thus defines the aging process and the onset of age-related diseases. The insulin receptor named DAF-2 in C. elegans or INSR in mammals regulates f...
متن کامل0 v 1 8 D ec 1 99 6 REPAIRING BELL ’ S THEOREM FOR A CLASS OF DOWN - CONVERSION EXPERIMENTS
A certain class of parametric down-conversion Bell type experiments has the following features. In the idealized perfect situation it is in only 50% of cases that each observer receives a photon; in the other 50% of cases one observer receives both photons of a pair while the other observer receives none. The standard approach is to discard the events of the second type. Only the remaining ones...
متن کاملBars to jars: bamboo value chains in Cameroon.
Bamboo is a well know and versatile material, which is a common sight across Cameroon's diverse ecosystems, from dry to humid tropical and Afromontane forests. Its numerous uses range from storage jars to decorating restaurant-bars, beehives to knives, fences, fodder, and fuel. Responding to the paucity of data on species and uses, the value chain for bamboo in Cameroon was analyzed. Based on 1...
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ژورنال
عنوان ژورنال: Microscopy Today
سال: 1997
ISSN: 1551-9295,2150-3583
DOI: 10.1017/s1551929500056819