A self-contained memory gauge includes either semiconductor or magnetic core memory for retaining downhole information related to sampled parameters, such as borehole temperature and pressure. A microprocessor-based computer manages the power utilization by independently and selectably energizing and de-energizing different sections of the gauge. The magnetic core memory is tested for operability,...

La presente invención se refiere a un método para producir engranajes anulares para juegos de engranajes constituídos por engranjes anulares / piñones diferenciales de ejes motores de servicio pesado, caracterizado por comprender las etapas de: proveer un producto forjado para un engranaje anular casi a medida, teniendo las superficies de flanco y de raíz de los dientes de dicho producto forjado p...

30/FPG17 33/FPG19 18326 TITLE OF THE INVENTION NOVEL PROCESS FOR THE PREPARATION OF 8a-aza-8a-HOMOERYTHROMYCIN CYCLIC IMINOETHERS A method of synthesizing cyclic iminoethers of the general structural formula These compounds are macrolides, useful as antibiotics and as intermediates in the synthesis of other macrolide antibiotics.

The accessory ring (7) is provided with a spring component which works in conjunction with the bearer unit (5) and which, by means of a rotary movement, is releasably fixed on a stop component provided at the free end of the bearer unit, and presses the accessory ring (7) against the assembly surface (4) or the light housing. The fixture position (6) is a slot formed at the rear part of a base rin...

The accessory ring (7) is provided with a spring component which works in conjunction with the bearer unit (5) and which, by means of a rotary movement, is releasably fixed on a stop component provided at the free end of the bearer unit, and presses the accessory ring (7) against the assembly surface (4) or the light housing. The fixture position (6) is a slot formed at the rear part of a base rin...

The accessory ring (7) is provided with a spring component which works in conjunction with the bearer unit (5) and which, by means of a rotary movement, is releasably fixed on a stop component provided at the free end of the bearer unit, and presses the accessory ring (7) against the assembly surface (4) or the light housing. The fixture position (6) is a slot formed at the rear part of a base rin...

REPEAT SEQUENCE CHROMOSOME SPECIFIC NUCLEIC ACID PROBES A primer directed DNA amplification method to isolate efficiently chromosome-specific repeated DNA wherein degenerate oligonucleotide primers are used is disclosed. The probes produced are a heterogeneous mixture that can be used with blocking DNA as a chromosome-specific staining reagent, and/or the elements of the mixture can be screened fo...

It is presumed in the method that message cell streams having a high cell loss priority as well as message cell streams having a low cell loss priority appear on an ATM transmission line. The check of the admissibility of the set-up of a virtual connection via such a transmission line occurs in two steps. In a first step, a first capacity limit value, or a second capacity limit value that is lower...

A DRAM cell comprises a field oxide film (26) formed on a predetermined area of a semiconductor substrate (20), a switching transistor with a source region (32) and a drain region (34) adjacent to the film (26) and a gate electrode (30) connected to a word line (31), a storage electrode (44) connected to the source region through a contact hole and overlapping the upper part of the...

Aluminum oxide sealant compositions, concentrates, and processes employing the same are described which comprise an alkaline earth metal salt and certain sulfonated compounds. Unexpected improvements in seal quality are obtained using the compositions of the invention, and in the substantial absence of smut formation. Advantageously, the aqueous sealant compositions of the invention may be cobalt ...

A package inspecting apparatus including a yarn end processing section for exerting suction air on the surfaces of packages while rotating trays on a running passage for trays on which packages are fitted, a package inspecting section in which a plurality of optical type package winding-form inspection devices are received in a dark room, and a weighing section provided with a weight measuring uni...

A bunch winding processing apparatus for a package which has been formed by retaining a start end of yarn in a slit formed at an end portion of a paper tube, then making a bunch winding and subsequently performing a regular winding through a nip point, the bunch winding processing apparatus including a bunch yarn guide for pressing down a predetermined length of a bunch winding yarn from the nip p...

The pipe end widening out device comprises a base (2) and a longitudinally displaced carriage (8) acted on by a pressure cylinder (3), with a second pressure cylinder (4) acting on a widening out mandril (22) displaced perpendicular to the carriage axis, to project into the end of the pipe. In an initial pressure phase, the carriage (8) with the opposing clamp plates (16, 17) for the pipe end is d...

A seal for a work cylinder operated with pressure fluid, through which cylinder an axially displaceable coupling element connected with the work cylinder, particularly a pull means, is extended in a fluid-tight manner from the inside of the cylinder. To obtain a better sealing of the inside of the cylinder under all possible operating conditions, particularly when using coupling elements developed...

The invention relates to a process for the preparation of ginkgolide B from ginkgolide C and to ginkgolide B thus obtained, the process comprising the following succession of four steps: protecting the 10-hydroxy group of ginkgolide C by conversion to an alkyl ester, the reaction being effected in dimethylformamide at a temperature of from 15 DEG to 50 DEG C. for from 4 to 10 hours; activating t...

A valve battery, including a plurality of base plates, each having a generally polygonal outer contour, a window-shaped recess therein, and two side faces, a face of one plate corresponding a face of an adjacent plate and sealingly engaging one another, closure plates being provided on the free end surfaces, a plurality of electrically actuatable individual valves mounted in the base plates, each ...

A base-plate body (1a) which has a polygonal outer contour (2) with a plurality of electrically actuatable continuous valves (6), which have a diameter which is less than the thickness of the base-plate body (1a). A pressure-fluid connection (P) and pressure-fluid outlet connections (A1, A2) are provided on the base-plate narrow sides (10). The continuous valves (6), include outlets (15) each, of ...