A method is disclosed for the quantitative determination of 1,4-dihydronicotinamide adenine dinucleotide (NADH) in solution. The method comprises contacting the NADH-containing solution with an activated carbon electrode, maintaining the carbon electrode at a controlled, fixed potential effective to cause oxidation of NADH at the electrode surface, and measuring the current output from the carbon ...

A method is disclosed for the quantitative determination of 1,4-dihydronicotinamide adenine dinucleotide (NADH) in solution. The method comprises contacting the NADH-containing solution with an activated carbon electrode, maintaining the carbon electrode at a controlled, fixed potential effective to cause oxidation of NADH at the electrode surface, and measuring the current output from the carbon ...

PCT No. PCT/EP88/00407 Sec. 371 Date Jan. 6, 1989 Sec. 102(e) Date Jan. 6, 1989 PCT Filed May 10, 1988 PCT Pub. No. WO88/09481 PCT Pub. Date Dec. 1, 1988.When signals from an incremental transmitter are being evaluated, noise may distort the signals and the subsequent stages connected to the transmitter may therefore be incorrectly controlled. The invention discloses a process for suppressing the ...

Quantized delay values used in a digital beamformer are selected so as to minimize the derivative of the beamformer pattern. A first set of quantization error values, one for each hydrophone, is determined from the precise delay values and a second set determined by adding a shading factor times the sample period to each member of the first set. Each set of combinations of the first and second set...

The invention is a method for the on-line nondestructive determination of the internal bond strength of composite panel products. The method involves impinging an ultrasound pulse against the panel by a first transducer and receiving a transmitted pulse at a second transducer. The received signal strength, temperature and panel thickness are entered into an algorithm from which the internal bond m...

An accelerometer comprising a support (52) and a proof mass (40) mounted to the support by a flexure (50) or the like, such that the proof mass can rotate about a hinge axis (HA) perpendicular to sensitive axis (SA). An isolator (42) is also mounted to the support by an isolator suspension system (60, 62) that is relatively compliant for isolator movement parallel to a transducer axis (TA) normal ...

A sign comprising at least one belt (5) for carrying display material and at least one roller means (9) which is adapted for movement across the face (2) of said sign wherein the belt (5) is disposed to wind over the roller means (9) as it moves across said face so that said display material is progressively exhibited for view or concealed in accordance with the direction of travel of said roller ...

A method and apparatus for reading data in a data field on a data surface of a storage medium in which the data surface may be nonplanar and depthwise regions of the data field are brought one-by-one into the region of focus of a CCD area array. A set of partial images are formed which are then merged together into a composite image of the data field to be read. The storage medium is disposed on a...

An electrostatographic machine replenishes the toner in a developer mix proportionally in response to a toner depletion signal having a value indicative of the rate of toner usage. A second signal is produced having a value proportional to toning contrast; and the contrast of proportionality between toner replenishment and the depletion signal is adjusted in response to the second signal value. Th...

A control mechanism for generation of a pair of analog signals wherein the mechanism includes a support and an analog element mounted on the support for rotation and translation relative thereto. The support includes an elongated guide member, and the analog element is rotatably mounted on the guide member and is movable relative to and longitudinally of the guide member. A first encoder is couple...

PCT No. PCT/FR87/00397 Sec. 371 Date Jun. 1, 1988 Sec. 102(e) Date Jun. 1, 1988 PCT Filed Oct. 13, 1987 PCT Pub. No. WO88/02900 PCT Pub. Date Apr. 21, 1988.The storage cells are grouped into elements grouping at least two cells, each element being locatable by an address and having a parity. The balance of the card is the number of non-zero even elements with an address below the address of the od...

A continuous process, namely the quality control of web production, is monitored and analyzed for defects with high resolution continuously, notwithstanding that the processing of signals for such continuous monitoring and analysis with high resolution requires handling of data at enormous data rates (e.g., billions of calculations per second). The system uses a computer architecture for continuou...

An integrated charge neutralization and imaging system is disclosed. An energy analyzer is mounted directed above a target surface consisting of a 90 degree spherical electrostatic capacitor with variable voltage on both the inner and outer electrodes. Circular apertures are mounted at the entrance and exit of the analyzer to limit the fringing electric fields and define the beam size. An electros...

A Wien filter for use in charged particle beam systems is disclosed, having two opposed resistive magnetic pole pieces separated from a set of excitation coils by an electrically insulating material. Two opposed electric pole pieces are positioned in orthogonal relationship to and in physical contact with the magnetic pole pieces to form a physical aperture through which the charged particles will...

A medical device which can be introduced into the body tissue of a human or animal comprises a matrix of a polyurethane elastomer with organic silicone polymer units built into the main polymer chain and an oligodynamic agent spatially distributed uniformly within the matrix. The oligodynamic agent releases bacteriocidal or microbicidal metal ions when exposed to body tissues. The method for manuf...

Storage serialization apparatus in a multiprocessor computer system enables multiple processors to concurrently execute instructions which access storage without materially affecting performance by keeping the amount of storage locked to a minimum, i.e., a page. The duration of serialization need be only for one instruction execution time and only instruction operands need be accommodated for seri...

A refractory composition or cement contains conventional refractory materials and a long chain fatty acid comprising at least 8 carbon atoms in conjunction with reactive MgO as a temporary bonding agent. The reactive MgO may be caustically fired MgO, and/or finely ground magnesia and/or dolomite sintered powder. An extender such as an oil, lecithin, bitumen, tar, pitch or wax eg. soft wax may be i...

The sensor has an inert, oxygen-permeable membrane 7 with a cathodic gold or platinum coating, 0.2 to 2 mu m thick on its lower face, a grid-shaped auxiliary cathode 9 made of silver which is separated from the gold or platinum coating by a thin ion-conducting separation layer 8 a silver anode, 4 a gold or platinum cathode and an electrolyte of potassium hydroxide and potassium chloride. The membr...

In a two-stage process for the biological degradation of complex, non-readily degradable wastewater constituents, acidification takes place in the first stage and anaerobic degradation in the presence of methanogenic organisms in the second stage. In the first stage, the wastewater is treated both with the acidogenic organisms and with dehalogenating and/or desulfonating and/or deaminating strains...

The invention relates to a method of feeding a plurality of optical waveguides into a clamping device, between whose clamping jaws the optical waveguides are clamped in a side-by-side relationship in one plane. A simple and easily operatable method, which in subsequent production stages ensures the preservation of the relative position of the individual optical waveguides, is obtained in that the ...