摘要:
A superplasticizing additive for concrete and other cementitious mixes with high retention of workability (low "slump loss") and low air-entraining effect, is made by terpolymers of a) (meth)acrylic acid and its salts, b)polyethyleneglycolmonomethylether-(meth)acrylate and c) polypropyleneglycol-di(meth)acrylate.
摘要:
For the production of biological masses of microbial origin, the yeast strain NRRL-Y 11119 uses ethanol as a carbon source and an energy source simultaneously. Proteic biomasses of a very good quality are obtained.
摘要:
Disclosed are waterproofing membranes consisting of a reinforcing material impregnated with a bituminous formulation comprising industrial bitumen, a mineral filler, and a thermoplastic polymer or a mixture of thermoplastic polymers, characterised in that the mineral filler consists of aluminium silicate in the form of cenospheres with a density of between 0.6 and 0.85 g/cm3 and a size of between 5 and 300 μm, preferably between 5 and 106 μm.
摘要翻译:公开的防水膜由浸渍有沥青制剂的增强材料组成,包括工业沥青,矿物填料和热塑性聚合物或热塑性聚合物的混合物,其特征在于,矿物填料由空心球形式的硅酸铝 0.6至0.85g / cm 3之间的密度和5至300μm之间,优选5至106μm的尺寸。
摘要:
A method is disclosed for the microbiological transformation of steroids, especially cholesterol, by employing culture media which contain hydrocarbons rather than carbohydrates. Paraffinic hydrocarbons, particularly normal paraffins from 15 to 20 carbon atoms, are used as the only carbon and energy sources. SP2T (NRRL B-11, 112), SP3T bis (NRRL B-11, 113), SP5T (NRRL B-11, 114), SP7T/1 (NRRL B-11, 115), SP742XXA (NRRL B-11, 116), SP731RD (NRRL B-11, 117), and SP734D (NRRL B-11, 118) are bacterial strains which can be used to this purpose.