Abstract: An electron microscope sample holder that includes at least one capillary having a sufficient inner diameter to act as a catheter pathway that allows objects that can be accommodated within the at least one capillary to be replaced or swapped with other objects. The sample holder having at least one capillary allows the user to insert and remove temporary fluidic pathways, sensors or other tools without the need to dissemble the holder.

Abstract: Devices for removing clot material from a blood vessel lumen and associated systems and methods are disclosed herein. A clot retrieving device may include, for example, an elongated shaft, a capture structure having a proximal portion and a distal portion, and a cover having a first portion coupled to the elongated shaft and a second portion extending from the first portion. The cover may have an inverted configuration in which the capture structure is at least partially ensheathed within the first portion of the cover and the second portion of the cover extends distally from the first portion. In the inverted configuration, the second portion may have (a) a first region distal to a distal terminus of the capture structure, the first region tapering radially inwardly in a distal direction, and (b) a second region extending distally and radially outwardly from the first region.

Abstract: Extensible nonwoven fabrics having improved elongation, extensibility, abrasion resistance and toughness. In particular, embodiments of the invention are directed to extensible spunbond fabrics comprising a polymeric blend of a metallocene catalyzed polypropylene, polyethylene, and a third polymer component.

Abstract: A medical catheter has an inflatable balloon assembly on its distal portion and a plurality of ablation electrodes disposed on the surface of the balloon assembly. Conductors extending through the shaft supply the ablation electrodes with electrical power when connected to a power source. A plurality of thermistors on the balloon assembly are connected to the conductors to form a resistive network, and a plurality of access points on the conductors are provided for obtaining electrical measurements and analyzing the measurements to determine respective resistances of the thermistors.

Abstract: Techniques for identifying computer program security access control violations using static program analysis are provided. In one example, a computer-implemented method comprises generating, by a device operatively coupled to a processor, a mathematical model of a computer program product, wherein the mathematical model defines data flows through nodes of the computer program product that reach a secure node corresponding to a secure resource. The computer implemented method further comprises evaluating, by the device, a security protocol of the computer program product using static program analysis of the mathematical model to determine whether any of the data flows provides access to the secure node without proceeding through one or more security nodes corresponding to the security protocol, wherein the one or more security nodes are included in the nodes of the computer program product.

Abstract: A system for controlling an operation of a combustor in a gas turbine that includes: an acoustic sensor configured to periodically measure a pressure of the combustor and generate a raw data stream having the pressure data points resulting from the periodic measurements; and a blowout detection unit configured to receive the raw data stream from the acoustic sensor. The blowout detection unit may include a processor and a machine-readable storage medium on which is stored instructions that cause the processor to execute a procedure related to a detection of a blowout precursor. The procedure may include an ensemble approach in which the detection of the blowout precursor depends upon a outcomes generated respectively by separate detection analytics.

Abstract: An exemplary coil arrangement can be provided, which can include, for example, coil element(s) having a parallel resonant circuit at a port, where the coil element(s) is detuned by causing a low impedance at the port. Pre-amplifier arrangements can provide a low impedance at the port of the coil element(s) to suppress the induced current on the coil element(s) thereby reducing the inductive coupling to neighboring element(s). The coil element(s) can include an inductance and a capacitance which cancel each other out. The inductance and the capacitance can cancel each other out such that an impedance of the coil element has no imaginary part at a working frequency. An impedance of the coil element(s) in free space includes a real part that can be greater than a sum of losses for the coil element(s).

Abstract: The present invention is for a nitration/anammox (NIT-ANM) process for removal of wastewater nitrogen in a saturated porous media biofilter. The oxygen is supplied through a plurality of tubes having permeable membrane walls for bleeding the oxygen into the wastewater surrounding the tube. The nitritation and anammox bioreaction takes place in the wastewater submerged around granular media. Oxygen is supplied through the tubes and bled through the submerged permeable membrane tube walls at a limited rate to support nitritation of a portion of wastewater ammonia to nitrite, followed by an anammox conversion of nitrite and wastewater ammonium to nitrogen gas (N2).

Abstract: Systems and methods for multi-sensor integrated sensor devices are provided. In one embodiment, a sensor device comprises: a substrate having a first surface and an opposing second surface; a plurality of sensor cavities recessed into the substrate; a first sensor die sealed within a first sensor cavity of the plurality of sensor cavities at a first atmospheric pressure level; a second sensor die sealed within a second sensor cavity of the plurality of sensor cavities at a second atmospheric pressure level that is a different pressure than the first atmospheric pressure level; a first plurality of direct feedthrough electrical conductors embedded within the substrate coupled to the first sensor die; and a second plurality of direct feedthrough electrical conductors embedded within the substrate coupled to the second sensor die.

Abstract: A turbocharger includes ported shroud compressor housing disposed about a compressor wheel, having an air inlet passage extending axially along and circumferentially about a longitudinal axis, volute base portion operably adjacent to compressor wheel, contour that encircles and complementarily matches compressor wheel, inducer including ring and plurality of extending members, inlet section extending from volute base portion, and recirculation cavity formed in volute base portion and inlet section with a recirculation slot and inlet slot for reentry of airflow into inlet section. The ring has an inner wall surface defining a first section extending axially along the longitudinal axis and proximate to the compressor wheel, second section extending from first section radially away from longitudinal axis, and third section extending from second section along longitudinal axis and distal to the compressor wheel.

Abstract: A shroud for radially encasing a turbine in a gas turbine engine is provided. The shroud comprises a carrier which defines a pin-receiving carrier bore, and a ceramic matrix composite (CMC) seal segment comprising an arcuate flange with a surface facing the turbine and a part that defines a pin-receiving seal segment bore. The seal segment bore is radially spaced from the arcuate flange by a spacing flange which extends radially outward from the arcuate flange to effect receipt within the seal segment bore of an elongated pin. The elongated pin extends through the carrier bore and the seal segment bore, and the elongated pin has a lateral cross-sectional dimension of at least three-eighths of an inch.

Abstract: An engine system is provided that includes a compressor including an inlet upstream of an impeller and a compressor housing, a flow-guiding device including a first partition extending across a valve housing, where the valve housing defines a boundary of an airflow duct, and a valve unit including an exhaust gas recirculation (EGR) valve coupled to a junction point between an EGR conduit and a compressor inlet and including and a flap having a recess mating with the first partition and pivoting about a mounting interface adjacent to a leading edge of the flap, a valve housing coupled to the compressor housing, where during actuation of the EGR valve a relative position between the recess in the flap and the first partition is varied.

Abstract: Assembly (10) for an electronic locking system (84), the assembly (10) comprising an actuating element (12) rotatably arrangable with respect to a base member (16) for rotation about a first axis (18) and rotatably arranged about a second axis (24) substantially perpendicular to the first axis (18), an electric generator (74) comprising a rotor (76), and a transmission arrangement (82) configured to transmit a rotational actuation of the actuating element (12) about the second axis (24) into a rotation of the rotor (76) of the electric generator (74) to generate electric energy.

Abstract: The present invention discloses a method of planning a 3D printing path based on Fermat's spiral. The method comprises generating a plurality of iso-contours for a given topological connected region, wherein adjacent iso-contours of the plurality of iso-contours have a set spacing therebetween. The method also comprises constructing a spiral connected graph according to the plurality of iso-contours and generating a spiral connected tree according to the spiral connected graph. The method further comprises connecting a subset of the plurality of iso-contours according to the spiral connected tree to form a connected Fermat spiral. The method additionally comprises smoothing the connected Fermat spiral through a global optimization method based on a width of the printing path being consistent.

Abstract: A turbine shroud adapted for use in a gas turbine engine includes a plurality of metallic carrier segments and a plurality of blade track segments mounted to corresponding metallic carrier segments. Cooling air is directed onto the blade track segments to cool the blade track segments when exposed to high temperatures in a gas turbine engine.

Abstract: Optimized inhibitory nucleic acids are provided. The nucleic acids have sequences which include an optimal inhibitory motif, such as a GGG. Related methods are also described.

Abstract: A ball screw drive (10) including a threaded spindle (12) having a first, free end (16) and a second end (17) which can be connected to a drive, and a spindle nut (14) at least partially enclosing the threaded spindle (12) coaxially. A plurality of balls (26) recirculate in the space between the threaded spindle (12) and the spindle nut (14) form the core element. An extension sleeve (15), which connects coaxially to the spindle nut (14), is fixedly connected to the latter and moves together with it relative to the threaded spindle (12). At the first end (16) of the threaded spindle (12), a substantially circular bearing ring (18, 30, 50, 70) is attached to the outer circumference of the threaded spindle (12), which circular bearing ring serves as a shaft bearing between the threaded spindle (12) and the extension sleeve (15) and which has a noise-dampening effect due to at least one integrated spring/damping element.

Abstract: A mobile computing device including a housing including a first display and a second display mounted to face away from each other, an orientation sensor mounted in the housing, the orientation sensor being configured to detect flip motions indicating that the mobile computing device has been flipped in a direction from a first side to a second side, and a processor mounted in the housing, the processor being configured to display a first application program on the first display, based on detecting a rightward flip motion from the first display to the second display, display a second application program on the second display, and based on detecting a leftward flip motion from the first display to the second display, display a third application program on the second display.

Abstract: TPO and PVC building membranes are disclosed that comprise RFID tags that are capable of storing identifying information. The RFID tags may be embedded in the membranes. By appropriate positioning of the RFID tags in the core layer of the TPO and PVC membranes, the properties of the membranes such as waterproofness and strength are not degraded by the presence of the tags and the functionality of the tags is not compromised by the manufacturing process. A method of manufacturing the membranes is also disclosed.

Abstract: A method and apparatus for continuous pressure cooking product includes a pressure cooking section, an isolating chamber, and an output section. A first product and fluid valve is between the pressure cooking section and the isolating chamber. A second product and fluid valve is between the isolating chamber and the output section. A fluid valve is between a source of pressurized fluid and the isolating chamber. Product is provided to the pressure cooking section and cooked. The fluid valve is opened so that the isolating chamber becomes substantially the same pressure as the pressure cooking section. The first controllable product and fluid flow valve is opened and product enters the isolating chamber, and then closed to isolate product in chamber. The second controllable product and fluid valve is opened and product moves from the chamber to the output section. Then the second controllable product and fluid valve is closed.