Instead of blending cement, water, sand and other flow additives at the same time in the usual way, cement, compound and flow additive is thoroughly blended, and not until after that sand and water are blended in. The compound is comprised of silica and/or another material which can prevent the water from reaching the cement until after the casting. The compound is added in such a large amount tha...

Instead of blending cement, water, sand and other flow additives at the same time in the usual way, cement, compound and flow additive is thoroughly blended, and not until after that sand and water are blended in. The compound is comprised of silica and/or another material which can prevent the water from reaching the cement until after the casting. The compound is added in such a large amount tha...

For the replacement of several human vertebrae a slightly curved, approximately cylinder implant is provided on whose ends a respective support element is attached with an angular setting able to be adapted to the anatomy of the human vertebral column.

The invention relates to cyclodextrin glycosyltransferases which produce gamma -CD to an increased extent in the conversion of starch or starch-like substrates into CD, characterised in that their protein sequence in the region between amino acid position 180 and amino acid position 240 contains the amino acid sequence Asn Leu Xaa Asp (SEQ. ID NO: 1), where position 1 of the protein sequence at t...

The invention relates to cyclodextrin glycosyltransferases which produce gamma -CD to an increased extent in the conversion of starch or starch-like substrates into CD, characterised in that their protein sequence in the region between amino acid position 180 and amino acid position 240 contains the amino acid sequence Asn Leu Xaa Asp (SEQ. ID NO: 1), where position 1 of the protein sequence at t...

Silanes of the general formula wherein R1, R2 and R3 in the molecule are the same or different and represent aliphatic hydrocarbon groups, R4 is a divalent hydrocarbon group with 3 to 14 carbon atoms, R5 is a group having the formula -O(CH2)b- or a polyether group having the formula -(OCnH2n)c-, wherein b has a value of 1 to 6, n has an average value of 2 to 2.5 c has a value of 1 to 1...

Silanes of the general formula wherein R1, R2 and R3 in the molecule are the same or different and represent aliphatic hydrocarbon groups, R4 is a divalent hydrocarbon group with 3 to 14 carbon atoms, R5 is a group having the formula -O(CH2)b- or a polyether group having the formula -(OCnH2n)c-, wherein b has a value of 1 to 6, n has an average value of 2 to 2.5 c has a value of 1 to 1...

A substrate material for a biofilm is disclosed for use in a biofilm reactor characterised in that the substrate material comprises a three-dimensional thermoplastic polymeric layer composed of a ground layer having a sheet structure with or without a multiplicity of perforations or openings, or having a net structure, and which ground layer is provided at least at one major side with a multiplici...

The use of a three-dimensional thermoplastic polymeric layer composed of a ground layer having a sheet structure with or without a multiplicity of perforations or openings, or having a net structure, and which ground layer is provided at least at one major sidle with a multiplicity of projections, as substrate material for the biofilm in a biofilm reactor is disclosed. Furthermore, a biofilm react...

Process and apparatus for spinning polymer filaments permits the obtaining of skin-core filament structure by feeding a polymer composition to a spinnerette at a flow rate sufficient to obtain a spinning speed of about 10 to 200 meters per minute through the spinnerette; heating the polymer composition at a location at or adjacent to the spinnerette so as to heat the polymer composition to a suffi...

A refrigerant recycling system includes a recycled refrigerant tank for storing recycled refrigerant, and first and second valves connected in series between the recycled refrigerant tank and atmosphere. In purging noncondensables from the recycled refrigerant tank to atmosphere, a programmed microcontroller holds the first valve open for exposing the pressure transducer to the pressure in the rec...

Process and apparatus for spinning polymer filaments permits the obtaining of skin-core filament structure by feeding a polymer composition to a spinnerette at a flow rate sufficient to obtain a spinning speed of about 10 to 200 meters per minute through the spinnerette; heating the polymer composition at a location at or adjacent to the spinnerette so as to heat the polymer composition to a suffi...

Complexes of the formula which are in free acid or salt form, and mixtures thereof, wherein each of R1 and R3 is independently hydrogen, C1-4 alkyl or C1-4 alkyl monosubstituted by hydroxy, amino, sulfo or carboxy, each of R2 and R4 is independently hydrogen; C1-4 alkyl; C1-4 alkyl monosubstituted by hydroxy, amino, sulfo or carboxy; -COR5; -COOR6 or -CONHR7, M is chromium or cobalt, a...

The use of acyl L-carnitine esters with gamma-hydroxybutyric acid is described in which the acyl is preferably acetyl, propionyl, n-butyryl, isobutyryl, valeryl or isovaleryl to produce a drug to suppress withdrawal symptoms and the craving for self-administration of narcotic substances in drug addicts.

A thick-film planar inductor is made according to a specific geometry with conventional techniques. Such device is then operatively calibrated for tuning the circuit to which it is connected by changing the geometry of the inductor through laser etching.

It is made up of: two continuity metallic plates (2,14) for the transit plane, provided on the structural edges of the opening, connected to the same in such a way that, interacting with the lower structural elements (A,B), realizes two recesses; a support structure (6) in correspondence of the structural opening, supporting a deformable transit plane (11); the supporting structure (6) of the de...

A curable impregnation sealant composition comprising a curable monomer, e.g., a (meth)acrylic acid ester monomer, of a type adapted for curing by heat and/or substantial absence of oxygen, and a curable monomer-soluble reactive bismaleimide of a type and in a solubilized amount providing enhanced high temperature resistance in the impregnation sealant composition when cured.

METHOD AND APPARATUS FOR CONFIGURING MEMORY CIRCUITS A memory circuit definition is implemented in static memory circuits having three bidirectional access ports, wherein each port is configured for read or write access. The memory circuit definition defines initial contents, depth, width, and bank selection in the memory circuits according to predefined configuration values, as well as, for each ...