A gain medium for use in optical amplifiers or laser oscillators is disclosed. The gain medium includes a transition-metal doped glass-ceramic material having a crystal phase and a glass phase. The crystal phase is formed in situ in the glass phase, with the transition metal ions preferentially partitioning into the crystals from the glass phase. The crystals so formed have a size of less than 50 ...

A method is provided for measuring in vivo in a transgenic non-human multicellular organism the activity of a cellular enzyme, which organism is transgenic by virtue of comprising one or more nucleic acid constructs encoding a binding domain and a binding partner thereof wherein: (i) the binding domain and/or binding partner comprise a site subject to post-translational modification by the cellula...

A method and apparatus for transferring information over a communications link includes transmitting information at a first power level, monitoring for correct reception of the transmitted information and transmitting further information at a second, power level other than that used for the original transmission if correct reception did not occur. The further information allows the content of the ...

Object (3) radiography is improved by estimation of the scattered radiation that it transmits to radiation detectors. To this end an object simulation (8) is used having similar attenuation properties so that its scattered radiation can be measured. The total radiation received that has transversed an object (3) is then modified using weighting coefficients determined using the simulation.; La rad...

Die Erfindung betrifft ein Verfahren zum Trennen eines Mehrphasengemisches (50) in wenigstens eine Flüssigkeitsphase (54) und eine Trockenphase (52) mit einer vorbestimmten Trockensubstanzkonzentration. Es wird eine Dekantierzentrifuge (100) mit einer ringförmigen Tauchscheibe (14) und einem endseitig an der Zentrifugentrommel (20) angeordnetem Flüssigkeitswehr verwendet. Nach dem Anlaufen der Zen...

Security devices are widely used for guarding spaces or areas (for example outdoor areas), with detectors monitoring different planes. It is a requirement for a good operation of a security device that the risk of false alarms should be reduced to a minimum. Each plane is subdivided into several subplanes in that the detector for each plane is provided with several sensors which are positioned so ...

A data processing system for implementing transaction management of auction-based trading for specialized items such as fixed income instruments. The data processing system provides a highly structured trading protocol implemented through a sequence of trading paradigms. The system employs a distributed computer processing network linking together a plurality of commonly programmed controlled work...

An apparatus (1) for carrying cables winding drums (2), where a reticular frame (3) includes structure elements (21), fitted in such a way to define a geometrical solid, supports the winding drum (2), which revolves around a horizontal axis (4) of rotation, within its own overall dimensions. Two wheels (5) mounted on the reticular frame (3) with their spin axis (6) parallel to the drum (2) axis of...

The method involves illuminating the measurement object (7), detecting the light (29) reflected from it with at least one image sensor (22,23) and evaluating color measurement data for the object. The object is illuminated with light of different wavelength regions for conducting one measurement phase or the light reflected from the object is divided into different wavelength regions before being ...

The method for feeding a web of paper or cardboard to an empty or partially filled drum (10) comprises first feeding a strip (3) of the web over the top of a carrier roll, then through the gap in a guide (8) towards a waste container (9). After the desired width of web has passed the drum is moved to form a nip with the carrier roll. The web is then cut and winding on to the drum is begun. An Ind...

A topographical support member (2) and method of forming a topographical support member (2) for use in producing nonwoven fabrics, especially tricot-like nonwoven fabrics. The topographical support member (2) includes a body (1) having a top surface (3) comprising a pattern of a plurality of peaks (5) and valleys (6) and a plurality of apertures (7). The apertures (7) have a conical top portion (7...

A strand coating apparatus having an applicator head (40) with a coating material dispenser (10) coupled thereto, a strand guide roller (50) coupled to the applicator head (40) adjacent a coating material orifice of the dispenser (10), the strand guide roller (50) having one or more strand guides each having a corresponding annular groove (52) disposed about a hub, the one or more strand guides di...

The present invention relates to positive and negative electrode lead paste for lead accumulator. The positive electrode lead paste consists of lead powder, PbO2, nano carbon fiber, anisotropic graphite, Bi2O3, polypropylene fiber, H2O, H2SO4 solution of density 1.4 and tin-plated glass bead; and the negative electrode lead paste consists of lead powder, BaSO4, acetylene black, carbon black, polyp...

The high conductive sodium salt electrolyte is prepared by mixing ionic water diluted sodium silicate solution, additive and ionic water diluted sulfuric acid solution while stirring, filling into accumualtor, container, letting stand for 30-60 min to form dense gel and curing into white colloid. The accumulator with the high conductive sodium salt electrolyte has high low temperature discharge pe...

The invention relates to methods of writing a light guiding structure in a bulk glass substrate. The bulk glass substrate is preferably made from a soft silica-based material having an annealing point less than about 1380 DEG K. Pulsed laser beam is focused within the substrate while the focus is translated relative to the substrate along a scan path at a scan speed effective to induce an increas...

A flat panel display and a method for forming a flat panel display. In one embodiment, the flat panel display includes a cathodic structure which is formed within an active area on a backplate. The cathodic structure includes a emitter electrode metal composed of strips of aluminum overlain by a layer of cladding material. The use of aluminum and cladding material to form emitter electrode metal g...

An electrode structure for a display that includes lower electrodes and upper electrodes. In one embodiment, lower and upper electrodes are formed of either an aluminum alloy or a silver alloy. In another embodiment, upper and lower electrodes are formed using a metal alloy layer over which a cladding layer is deposited. A silicon nitride passivation layer is used to protect the upper electrodes f...

Bulus, standart motorlar dahi, dizel, gaz-türbinli ve türbojen motorlar için, kombine oksijen içerenbir organik bilesimler karisimi ve tercihe göre bir hidrokarbon fraksiyonu içeren bir motor yakitiyla ilgilidir. Yakit atmosferik basinçta ve ortam sicakliginda stabil, homojen bir sivi olup, motorlarin çikardigi egzoz gazindaki zararli çevre kirleticilerde bir azalma saglar. Yakit terkibinde, oksij...

The remote monitoring system comprises a signal emitter (10) providing a signal, means for detecting the signal (12), means for transmitting the signal (16) via a global specification for mobile telephones (GSM) network, and remote means (18, 20) for receiving for the transmitted signal. The signal emitter may be a PIR or other intruder or fire sensor. Alternatively, the signal emitter may be a me...

The condition of the track used in a transport system is inspected by fitting an inspection device (204) to a vehicle of the transport system eg a train locomotive (200) and using the device to inspect the track eg to detect cracks in a rail 210. Though cracks may be detected using a laser source and a photomultiplier tube detector, and partial cracks using a laser source and a CCD camera to image...