Abstract: The present invention relates to a microfluidic particle analysis device comprising an inlet and an outlet in fluid communication via a main channel defining a main flow direction from an inlet end to an outlet end, the main channel being defined by a main channel wall extending from the inlet end to the outlet end and having a first cross-sectional dimension in the range of 20 ?m to 120 ?m and a second cross-sectional dimension of at least 100 ?m, the main channel wall at a vertex having an opening extending along the main flow direction and being open to an analysis section having surfaces at an analytical distance in the range of 5 ?m to 50 ?m and a sensor system for detecting a particle. The present invention also relates to a method of using the microfluidic particle analysis device for detecting particles or monitoring the concentration of particles.

Abstract: The present invention relates to a microfluidic particle analysis device comprising an inlet and an outlet in fluid communication via a main channel defining a main flow direction from an inlet end to an outlet end, the main channel being defined by a main channel wall extending from the inlet end to the outlet end and having a first cross-sectional dimension in the range of 20 ?m to 120 ?m and a second cross-sectional dimension of at least 100 ?m, the main channel wall at a vertex having an opening extending along the main flow direction and being open to an analysis section having surfaces at an analytical distance in the range of 5 ?m to 50 ?m and a sensor system for detecting a particle. The present invention also relates to a method of using the microfluidic particle analysis device for detecting particles or monitoring the concentration of particles.

Abstract: The application provides a gemstone testing apparatus for testing a specimen. The gemstone testing apparatus includes a handheld casing, a plurality of light sources, a test probe, a photodetector, a processor unit, and a display unit. The test probe is placed at one end of the handheld casing. A first end of the test probe is placed outside the handheld casing. The plurality of light sources is provided for emitting light rays towards an area that is in the vicinity of the first end. The first end is adapted for receiving light rays from the specimen and for transmitting the light rays to a second end of the test probe. The photodetector is arranged to measure an intensity of the light rays from the second end. The processor unit is provided for determining a material of the specimen in accordance to a measurement of the intensity of the light rays.

Abstract: The application provides a diamond testing device. The testing device includes a casing, a movable specimen holder, an illumination unit, a light sensor unit, and a computing processor. In a closed position, the casing encloses the specimen holder, the illumination unit, and the light sensor unit.

Abstract: The application provides an improved gemstone testing apparatus for testing a gemstone specimen. The gemstone testing apparatus includes a handheld casing, a processor unit, a first gemstone test device, a second gemstone test device, and a display unit. The first gemstone test device includes a first test probe and a thermal conductivity test module. The second gemstone test device includes a second test probe and a light absorption module.

Abstract: The application provides a gemstone testing apparatus for testing a specimen. The gemstone testing apparatus includes a handheld casing, a plurality of light sources, a test probe, a photodetector, a processor unit, and a display unit. The test probe is placed at one end of the handheld casing. A first end of the test probe is placed outside the handheld casing. The plurality of light sources is provided for emitting light rays towards an area that is in the vicinity of the first end. The first end is adapted for receiving light rays from the specimen and for transmitting the light rays to a second end of the test probe. The photodetector is arranged to measure an intensity of the light rays from the second end. The processor unit is provided for determining a material of the specimen in accordance to a measurement of the intensity of the light rays.

Abstract: The present invention relates to a microfluidic particle analysis device comprising an inlet and an outlet in fluid communication via a main channel defining a main flow direction from an inlet end to an outlet end, the main channel being defined by a main channel wall extending from the inlet end to the outlet end and having a first cross-sectional dimension in the range of 20 ?m to 120 ?m and a second cross-sectional dimension of at least 100 ?m, the main channel wall at a vertex having an opening extending along the main flow direction and being open to an analysis section having surfaces at an analytical distance in the range of 5 ?m to 50 ?m and a sensor system for detecting a particle. The present invention also relates to a method of using the microfluidic particle analysis device for detecting particles or monitoring the concentration of particles.

Abstract: A diamond identification apparatus is disclosed, the diamond identification apparatus comprising a support platform for receiving a gemstone at an observation position, a first light source arranged to emit light at a predetermined angle towards the observation position and a first photodiode arranged to detect an amount of light from the first light source being reflected from the gemstone at the observation position. The diamond identification apparatus further comprises a second light source arranged to emit light towards the observation position, a second photodiode arranged to detect light from the second light source that passes through the gemstone at the observation position and a processor unit.

Abstract: A gemstone testing apparatus with an apparatus body, a reflector housing with a light reflective layer at its interior surface, a transparent housing portion that is transparent for ultraviolet light, and a detector probe that is protruding from the transparent housing portion. An UV light emitter is provided within the reflector housing, which is adapted for directing the UV light through the transparent housing portion into the vicinity of a tip of the detector probe.

Abstract: A diamond identification apparatus is disclosed, the diamond identification apparatus comprising a support platform for receiving a gemstone at an observation position, a first light source arranged to emit light at a predetermined angle towards the observation position and a first photodiode arranged to detect an amount of light from the first light source being reflected from the gemstone at the observation position. The diamond identification apparatus further comprises a second light source arranged to emit light towards the observation position, a second photodiode arranged to detect light from the second light source that passes through the gemstone at the observation position and a processor unit.

Abstract: A novel reagent for clarification of an emulsion containing a salt and first and second surfactants is used in a method of clarifying emulsions which may contain inorganic, organic or biological particles to be measured. The reagent may be proved as kit of parts for in situ preparation thereof.

Abstract: A system, method, device and non-transitory computer-readable storage medium, for identifying connectives in electrical networks are provided. The system has a first current sensor and a first clock for detecting events defined as changes in a magnitude of a passive electric current circulating through an electrical load point, and the time between events; a second current sensor and a second clock for detecting events defined as changes in a magnitude of a passive electric current circulating through a distribution line and/or through a supply point connected thereto, and the time between event; and a processor and a memory to compare the time between the events detected by the first current sensor an first clock with the ones detected by the second event current sensor and second clock, to determine at which distribution line the load point is connected to.

Abstract: The system comprises: first event detection means for detecting events defined as changes in a magnitude of a passive electric current circulating through an electrical load point (5), and the time between events, second event detection means for detecting events defined as changes in a magnitude of a passive electric current circulating through a distribution line and/or through a supply point connected thereto, and the time between events, and connectivity checking processing means to compare the time between the events detected by the first event detection means with the ones detected by the second event detection means, to determine at which distribution line the load point is connected to. The method performs the functions of the system. The non-transitory computer-readable storage medium contains program code for identifying connectivities in electrical networks implementing the functions of the connectivity checking processing means of the system.

Abstract: A mass spectrometer with a wide dynamic range, having:—a source (2) of ion beams,—an analyzer (4) for the ion beams generated by said source (2),—a detector (6) for the ions separated by said analyzer (4),—a treatment stage (8) for the analogue signal A generated by said detector, to obtain two separate signals A1=mA and A2=nA, where m>n, characterised by comprising:—an analogue/digital converter (10) for converting both said analogue signals A1 and A2 into two numerical values D1 and D2,—a controller (12) which receives both the numerical values D1 and D2 as input, and provides as output a single value equal to D1 if D1 is less than the end-of-scale value of the converter (10), or a value equal to (m/n)D2 if D1 is equal to the end-of-scale value of the converter.

Abstract: Apparatus (1) for environmental monitoring, allowing to determine the mass concentration of air-dispersed particulate matter by operating or spy filters (F1-F6), comprising a beta radiation emitter (16) and detector (18) for detecting the mass of particulate matter settled on the operating or spy filters (F1-F6), wherein it is further provided the same beta measurement on spy filters (S 12-S1 6) exposed to the same environmental conditions of the operating filters (F1-F6) and the determination of in-air particulate matter concentration by compensation of the two measurements.

Abstract: A device for generating micro- and nanoflow mobile phase gradients for high performance liquid chromatography includes a generator of micro- and nanoflows of at least two mobile phases in different percentage compositions; an n-position gradient distributor having inlet and outlet ports and n couples of ports for a like number of capillary loops, each selectively connectable at one end with the inlet port and at its other end to the outlet port, which in turn is connectable to an analytical circuit that includes a chromatographic column and a detector; a micro- and nanoflow meter connected to the analytical circuit; a flow deviator having an inlet connected to the outlet of the gradient distributor, one outlet connected to a discharge and another outlet connected to the micro- and nanoflow meter, and a control unit that includes means of control of the generator of micro- and nanoflows such to create the different mobile phase mixture compositions, means for controlling the gradient distributor, means for con

Abstract: A device for generating micro- and nanoflow mobile phase gradients for high performance liquid chromatography includes a generator of micro- and nanoflows of at least two mobile phases in different percentage compositions; an n-position gradient distributor having inlet and outlet ports and n couples of ports for a like number of capillary loops, each selectively connectable at one end with the inlet port and at its other end to the outlet port, which in turn is connectable to an analytical circuit that includes a chromatographic column and a detector; a micro- and nanoflow meter connected to the analytical circuit; a flow deviator having an inlet connected to the outlet of the gradient distributor, one outlet connected to a discharge and another outlet connected to the micro- and nanoflow meter, and a control unit that includes means of control of the generator of micro- and nanoflows such to create the different mobile phase mixture compositions, means for controlling the gradient distributor, means for con

Abstract: A method for directly injecting a liquid sample into a capillary chromatography column, by which a liquid sample that includes the substance to be analyzed and the relative solvent is withdrawn from a vial with an automatic sampler having a syringe with a needle, and is then introduced into an insert, with which the injector of the chromatograph is provided, such that the terminal portion of the chromatography column is coaxially inserted into the needle to cause migration by capillarity of a part of the sample from the needle to the column. Excess sample overflowing from the needle at the moment in which the end of said column is inserted thereinto is received in a cavity, and the residence time of the end of the column within the needle is controlled.

Abstract: A flow regulator device for an analytical circuit, characterised by comprising: a fluid restriction (R) of defined characteristics related to the field of application of the analytical circuit, a direct-pressure regulator (2) positioned upstream of said restriction (R), a back pressure regulator (4) positioned downstream of said restriction (R).

Abstract: Audience measurement methods and systems for producing audience information of a media presentation. At least one embodiment includes a moveable apparatus comprising an audio capturing means for picking up audio from a media presentation distributed to an audience through at least one media rendering device to produce an audio signal, processing means for processing the audio signal to derive the content identification information, user interface means for entering the presence information of panel members, memory means to store the content identification information and the presence information, and communication means for transmitting the content identification information and the presence information for further processing to generate audience information.