منابع مشابه
Soaps, shampoos, and detergents.
In clinical dermatology, few questions are asked more commonly than “What is the best way for me to clean my skin or hair?” The modern dermatologist needs to be familiar with the physiologic action of cleansing products available on the market. This familiarity should include chemical composition, application, cosmetic benefits, and safety, as well as potential hazards. This knowledge must be a...
متن کاملStudies of Aluminum Soaps
I t has been shown by McBain and collaborators I that aluminum soaps present characteristics somewhat akin to proteins in their lyophilic colloidal behavior. These soaps, particularly the aluminum disoaps AIOHR~, are solids which can be prepared relatively pure. No macroscopic crystals have yet been obtained but powder x-ray diffraction patterns show structures varying from almost amorphous to ...
متن کاملJudging the soaps.
Background Go on, admit it. However much you may dismiss soap operas, at some point in your life you’ve been fascinated by them. Maybe as a teenager coming home early from school, as a medical student taking a break from exams, or as a young parent at home with the children, you too have been drawn into the world of ‘The Street’ or ‘The Square’ – or even ‘The Police Station’. You too have been ...
متن کاملHandwashing and antiseptic-containing soaps in hospital.
Two aspects of handwashing in hospital were considered. A study was carried out to examine the contamination of bar soap and containers, and the use of antiseptic soaps in reducing the resident flora of the skin. Swabs were collected from soap dishes on six wards and from a bacteriology laboratory on four consecutive days. The unmedicated bar soap was replaced by bar soap containing 2.5% povido...
متن کاملAcid and Base Catalyzed Transesterification of Animal Fats to Biodiesel
The present study has been focused on the acid and base transesterification of animal fats (dairy cow and beef) to produce biodiesel by varying process parameters such as catalyst amount, catalyst nature, reaction time and temperature. The maximum biodiesel yield after acid catalysis was 94.1 ± 2.43 and 98.4 ± 2.3 percent for dairy cow and beef t...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1880
ISSN: 0036-8733
DOI: 10.1038/scientificamerican02211880-3439bsupp