A fluid can advantageously be dosed with a syringe-like device from a container (18) fixed thereon by means of a piston (3) displaceably mounted in a dosing chamber (2), this dosing chamber (2) being connected with the container (18) via a channel (8) penetrating this piston (3), a valve (11) and a channel (16) located together with the piston (3) in a connecting tube (10).

A mixture of marble grit, marble powder and the minimum essential quantity of polymerizable synthetic resin is loaded into a mould box which is transported into a vacuum chamber in which a ram equipped with vibrators applies combined pressure and vibration under vacuum to the mixture, to compact the mixture, for producing blocks which can be cut into slabs or smaller blocks, as required.

An instructing method for specifying an instruction which is to be executed in an information processing apparatus, forms each of instruction words from at least an instruction code (OPa, OPb, OPC) and an operand specifying part (Ra1-Ra3, Rb1-Rb3, Rc1-Rc3) for specifying a single instruction, forms each of long instruction words having a fixed length from a type code (Type) and one or plurality of...

The invention relates to an automatic two-chamber injector for mixing and injecting a medical solution. The injector comprises a barrel (11) having a first end with a receiving portion (15) for an injection needle (17), said portion being sealed prior to use, and a second end with a displaceable plunger (27). The barrel (11) comprises two chambers (29, 30) separated by a migrationproof membrane (2...

The invention relates to a method and a device for the preparation of a solution, emulsion or suspension of a sensitive medicament in an aqueous medium and a following injection thereof. In the method of the invention, a dual-chamber cylinder ampoule (1) known per se is used for the mixture of the aqueous medium (11) and the medicament (10), the aqueous medium (11) being made to flow calmly from b...

In a data processing system, there is included a central processing unit (CPU) and a main memory for storing computer words, the CPU including a cache unit. In operation, the CPU requests that a computer word be fetched, the computer word to be fetched being identified by a real address location corresponding to a location where the predetermined computer word is stored in main memory. The CPU req...

PCT No. PCT/DE89/00102 Sec. 371 Date Aug. 30, 1990 Sec. 102(e) Date Aug. 30, 1990 PCT Filed Feb. 23, 1989 PCT Pub. No. WO89/08840 PCT Pub. Date Sep. 21, 1989.A sensor element for limiting current sensors for determination of the lambda -value of gas mixtures is proposed, which has at least one outer pumping electrode and one inner pumping electrode, on a solid electrolyte in platelet or foil form...

A microorganism strain B-0781 belonging to the genus Pseudomonas isolated from a soil sample from an onion field in Japan, produces a novel enzyme nucleoside oxidase having substrate specificity on various nucleosides and enzyme action to catalyze enzymatic reactions involving various nucleosides. The novel nucleoside oxidase is produced by culturing a nucleoside-oxidase-producing microorganism be...

Novel ganglioside derivatives comprised of a basic natural or semisynthetic ganglioside, in which the carboxyl group in the sialic part of the natural or semisynthetic ganglioside is converted into a carboxylamide with an aliphatic amino acid with a carboxylic or sulfonic acid function, and salts thereof are prepared. The semisynthetic ganglioside components can be chosen from the group consisting...

A passive transponder includes a receive antenna for receiving an input signal. A frequency generator and modulator receives the input signal and outputs a data carrier signal having a frequency independent of the input signal frequency. A programmable memory and thermistor are provided to produce user ID data and temperature data which is combined with the output signal.

Amphotericin B salt forming compsn. comprises amphotericin B of formula (I) and a salt forming acid in a soln of MeOH, DMF and CH2Cl2, in an amt to enhance the crystallintiy and purity of (I), and water. Also claimed is a process for the purification and crystallisation of (I) which comprises: (a) forming a soln. of (I) in MeOH, DMF, and acid capable of forming a salt with (I); (b) sepg. (I) extra...

Improved processes for the synthesis of tigogenin beta-cellobioside, a known hypocholesterolemic agent, using cellobiose heptaacetate and tigogenin as starting materials, and novel intermediates useful in this process.

The present invention relates to the saccharide derivates of protocatechualdehyde of formula (I), the method for preparing therof, and the use of said derivatives as an anti-inflammatory agent. wherein R<1> represents a hydrogen atom or a benzoyl group, and R<2> represents an alkyl group.

Energy transfer systems which can be used, inter alia, for measuring distances within or between different molecules are described.

The present invention involves methods of improving LCR and PCR amplification schemes by modifying at least one probe/primer end so that the probability of the probe/primer contributing to spurious signal development is greatly reduced. Only after specific hybridization of the modified probe/primer with true target, are the modified ends "corrected" in a target dependent fashion to allow participa...

The anthracycline derivatives have the general formula I and can, where appropriate, be in the form of a salt of an inorganic or organic acid.

The application pertains to a process for the synthesis of polyol fatty acid polyesters, in which a polyol and/or a fatty acid oligoester thereof, is esterified by reaction with fatty acid lower alkylester under substantially solvent-free conditions at elevated temperature in the presence of a transesterification catalyst and, optionally an emulsifier, and in which at least during the final stage ...

The present invention provides novel dihydrate crystals of etoposide-2-dimethylamino compound hydrochloride [4'-demethylepipodophillotoxin 9-(4,6-O-ethylidene-2-dimethylamino-2-deoxy- beta -D-glucopyranoside hydrochloride] (I) used as a carcinostatic agent and a process for production thereof. v

The tap comprises a closure member (22) in a chamber (20) at the intersection of an axial inlet channel (14) and a radial outlet channel (16), and a valve intended to contain a specific residual pressure in the bottle through the action of a spring (44). This valve consists of an annular cylindrical piston (38) fitted in a leaktight manner in the said chamber (20) downstream of the closure member ...

Apparatus for the transverse welding of a moving film material, having a conveying device for the film and a transverse welding tool which is provided behind/in front thereof in the running direction and is driven with a synchronising error in relation to the film movement. To compensate for this synchronising error, it is provided that each section covered by the welding tool within the welding p...