摘要:
The present invention relates to business methods in which screening services and diagnostics for the condition of a fetus are provided. Fetal abnormalities, include chromosomal and other genetic ies, are detected through the analysis of fetal cells obtained from maternal blood samples.
摘要:
The disclosed sensor chip includes a substrate and a moving member coupled to the substrate and disposed for movement relative to the substrate. The moving member moves relative to the substrate in a first direction and in a second direction in response to movement of the substrate. The first direction is different than the second direction. The moving member includes a plurality of receptors. The receptors are configured for selectively binding to a first measurand.
摘要:
In order to latch a separable plug-type connection that is composed of an upper housing part and a lower housing part with an axially displaceable unlatching ring that encompasses the upper housing part, the invention proposes to provide the unlatching ring with actuating tabs that act upon latching elements arranged between the upper housing part, the lower housing part and the unlatching ring. When pressure is exerted upon the actuating tabs, the latching mechanism is released first and the interlocking mechanism is released when the connection is separated.
摘要:
In order to fix a connector contact insert that is provided with sheet metal flanges in a connector housing that is composed of two interconnectable rectangular shells, the invention proposes a mounting device that is respectively arranged in the corner regions of the shells. The device respectively comprises two integral elements that are spaced apart from one another and form a receptacle slot, wherein differently shaped spring elements can, depending on the respective application, be pushed onto said integral elements or fixed on the shell housing. When assembling the connector, the sheet metal flanges are inserted into the receptacle slots and the two shells are interconnected, wherein the spring elements ensure a shakeproof mounting of the connector contact insert in the connector housing.
摘要:
Process and device for the generation of a fog of micrometric and submicrometric droplets, which may find application to the generation of light in the extreme ultraviolet range, particularly for lithography. According to the process and device, a pressurized liquid is injected into a very small diameter nozzle opening up into a vacuum. Light is generated by focusing laser radiation onto the fog.
摘要:
For the separable connection of an electrical conductor with a large cross-section to an insulation displacement connection, it is proposed that a connecting body with at least one insulation displacement terminal into which an electrical conductor can be forced by means of a clamping screw, be provided in a conductor-connecting element.
摘要:
The endomicroscope system includes an operation microscope and a flexible image transmission system and is distinguished by the fact that the flexible image transmission system ends in an imaging device (2), which is arranged between the objective lens (10) and the object plane of the operation microscope (1) and can be removed from the beam path.
摘要:
In a photodiode array suitable for use in an x-ray detector for computed tomography, the influences of direct conversion of x-rays into contributions to the electrical output signal and optical cross-talk between channels in the photodiode array are significantly reduced by integrating a number of extraction diodes into the photodiode array, with one extraction diode disposed between each two neighboring photodiodes. The anodes of all of the extraction diodes are connected together at a common anode contact, the common anode contact being connected to a voltage source which applies a voltage across all of the extraction diodes for operating the extraction diodes reverse biased, i.e. so as to block current flow.
摘要:
A heat exchanger tube having a smooth outer surface and a textured inner surface. The inner surface is composed of parallel ribs which run at an angle deviating from 90.degree. relative to the longitudinal axis of the exchanger tube. The ribs further have inclined flanks, channels delimited on the sides by the ribs, and depressions formed in the ribs, which may run crosswise at a distance from the bottom of the channels. The depressions are formed so as to follow a sine-shaped progression, in longitudinal cross-section of the ribs, which are provided with a surface micro-roughness and which are rounded on the top. The center longitudinal planes of the depressions are arranged at an angle deviating from 90.degree. relative to the longitudinal axis of the exchanger tube. The opposite flanks of adjacent ribs are connected by means of rounded channel bottoms. The micro-roughness of the rib surfaces is produced by corundum blasting or laser beams.
摘要:
A method and apparatus for manufacturing coils made of resistance wire, wherein the coil's electrical resistance can be preselected despite variations in the resistance of the wire being used, or changes in the ambient temperature of the wire during manufacturing. The wire is supplied to a winding device through an electrically controlled wire braking element which has an electrically adjustable braking force. The resistance of at least one coil wire section is measured; the measuring signal is supplied to an evaluating configuration, wherein the actual measured resistance value is compared to a preselected desired value; and a signal is transmitted to the braking element to decrease the braking action when the measured resistance value exceeds the desired resistance value, and a signal is transmitted to the braking element to increase the braking action when the desired value is undershot.