نتایج جستجو برای: monel 400
تعداد نتایج: 70286 فیلتر نتایج به سال:
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INTRODUCTION Euxyl K400 is a widely used preservative in cosmetics, topical drugs, cutting fluids, etc. This antimicrobial product has two active components: methyldibromoglutaronitrile (MDGN), also known as 1,2-dibromo-2,4-dicyanobutane, and 2-phenoxyethanol, in a proportion of 1 to 4. The aim of this study was to assess the prevalence of sensitization to this preservative in cases in our derm...
in this study, the stability of trinitroglycerin (tng) in polyethylene (peg) 400 was investigated according to arrhenius approach. the reaction rate constant (k) for the thermal disintegration of tng in peg 400 at various temperatures was counted based on the percents of remaining tng at different intervals of time at a specific temperature. the results showed that “k” at 40, 50, 60, 70, 80 and...
Evaporation properties of Monel and stainless-steel alloy materials that are widely applied in microwave vacuum electron devices have been studied by time-of-flight mass spectrometry (ToFMS) as their evaporants has an immediate impact on lifetime reliability. The composition sizes stainless steel determined. Minor evaporation Mn, Cu, Cr occurred at ∼800°C, which is much lower than the melting p...
INTRODUCTION Modern medical science was born in the Post-Renaissance or counter-reformation era and began to consolidate in the mid-seventeenth century thanks to the work of physicists, physiologists and biologists who were direct or indirect disciples of Galileo. At that time there was a tendency for scientific studies to move away from conservative and traditionalist universities to concentra...
Students and teachers often express a need for an introductory text of physiology, one which is more readable than longer, standard texts, yet which will at the same time guide the beginning student into more effective use of a comprehensive treatise. This need is well satisfied by publication of the third edition of Human Physiology. Written as it is by a group of distinguished teachers and sc...
Novel species of fungi described in the present study include the following from Australia: Vermiculariopsiella eucalypti, Mulderomyces natalis (incl. Mulderomyces gen. nov.), Fusicladium paraamoenum, Neotrimmatostroma paraexcentricum, and Pseudophloeospora eucalyptorum on leaves of Eucalyptus spp., Anungitea grevilleae (on leaves of Grevillea sp.), Pyrenochaeta acaciae (on leaves of Acacia sp....
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