Abstract: Described herein is a modular device for dispensing a lubricant. A first coupling end is attachable to a source of lubrication. A second coupling end is attachable to a lubrication receiver. A control module is arranged between the first coupling end and the second coupling end. The control module includes a flow measuring device in fluid communication between the first end coupling and the second end coupling. The control module is configured to enable dispensing of the lubricant.

Abstract: The subject matter of this specification can be embodied in, among other things, a computer-implemented method for securing email communications that includes receiving data including an email calculating a hash of the data, parsing the data into one or more atomic components, classifying the atomic component based on a collection of predetermined threat level categories, and providing an indication of a threat level category of the atomic component.

Abstract: The subject matter of this specification can be embodied in, among other things, a computer-implemented method for securing email communications that includes receiving data including an email calculating a hash of the data, parsing the data into one or more atomic components, classifying the atomic component based on a collection of predetermined threat level categories, and providing an indication of a threat level category of the atomic component.

Abstract: A specialized ultrasound machine tailored for use by traditional birth attendants provides an ultrasound transducer configuration adapted to work with the traditional sweeping motion of the attendant's hands over the patient's abdomen. Automatic analysis of various obstetrical conditions is performed without the need for the user to view or interpret standard ultrasound images. This machine analysis is used to provide real-time guidance in the acquisition of data by the user greatly reducing the required operator skill.

Abstract: A process for dynamically controlling spectrum access includes: collecting occupancy data; applying nonparametric estimation to the occupancy data; determining a cumulative hazard function; receiving a service request to occupy the wireless communication channel from a secondary user; accepting the service request from the secondary user if the wireless communication channel is unoccupied by the primary user; calculating a maximum duration for which the secondary user may occupy the wireless communication channel; determining a probability that a remaining idle time of the primary user is greater than an occupation time of the wireless communication channel of the secondary user; granting access to the secondary user for occupation of the wireless communication channel if the probability is greater than a selected probability threshold; and denying access to the secondary user for occupation of the wireless communication channel if the probability is less than the selected probability threshold to dynamically

Abstract: A process for dynamically controlling spectrum access includes: collecting occupancy data; applying nonparametric estimation to the occupancy data; determining a cumulative hazard function; receiving a service request to occupy the wireless communication channel from a secondary user; accepting the service request from the secondary user if the wireless communication channel is unoccupied by the primary user; calculating a maximum duration for which the secondary user may occupy the wireless communication channel; determining a probability that a remaining idle time of the primary user is greater than an occupation time of the wireless communication channel of the secondary user; granting access to the secondary user for occupation of the wireless communication channel if the probability is greater than a selected probability threshold; and denying access to the secondary user for occupation of the wireless communication channel if the probability is less than the selected probability threshold to dynamically

Abstract: A method and system for electrochemically machining a hollow body of a metal or a metal alloy. An electrode is positioned within a hollow body including a metal or metal alloy, where the hollow body has a variable internal diameter. The hollow body is oriented vertically, with the electrode oriented vertically therein. The hollow body is at least partially filled with an aqueous, acidic electrolyte solution, the electrolyte solution being devoid of hydrofluoric acid and having a viscosity less than 15 cP. An electric current is passed between the hollow body and the electrode, where the electric current includes a plurality of anodic pulses and a plurality of cathodic pulses, and where the cathodic pulses are interposed between at least some of the anodic pulses.

Abstract: A method and system for electrochemically machining a hollow body of a metal or a metal alloy. An electrode is positioned within a hollow body including a metal or metal alloy, where the hollow body has a variable internal diameter. The hollow body is oriented vertically, with the electrode oriented vertically therein. The hollow body is at least partially filled with an aqueous, acidic electrolyte solution, the electrolyte solution being devoid of hydrofluoric acid and having a viscosity less than 15 cP. An electric current is passed between the hollow body and the electrode, where the electric current includes a plurality of anodic pulses and a plurality of cathodic pulses, and where the cathodic pulses are interposed between at least some of the anodic pulses.

Abstract: A method of adjusting a baseline value in data received from a mass spectrometer includes generating a plurality of data signal values with a converter. The method also includes categorizing the plurality of data signal values relative to a plurality of threshold values. The plurality of threshold values include a high value, a mid-high value, a mid-low value, and a low value. The method further includes determining (i) a first quantity of data signal values categorized between the high value and the mid-high values, (ii) a second quantity of data signal values categorized between the mid-high value and the mid-low value, and (iii) a third quantity of data signal values categorized between the mid-low value and the low value. The method also includes generating a table of the first quantity of data signal values, the second quantity of data signal values, and the third quantity of data signal values.

Abstract: A specialized ultrasound machine tailored for use by traditional birth attendants provides an ultrasound transducer configuration adapted to work with the traditional sweeping motion of the attendant's hands over the patient's abdomen. Automatic analysis of various obstetrical conditions is performed without the need for the user to view or interpret standard ultrasound images. This machine analysis is used to provide real-time guidance in the acquisition of data by the user greatly reducing the required operator skill.

Abstract: The present disclosure relates to systems and methods for injecting multiple fluids into the vasculature of a patient using a minimal number of valve and stopcock manipulations. In particular, the present disclosure relates to a fluid injection system that combines a contrast source valve and a manifold in-line to a manual or automated syringe assembly for alternately injecting contrast and saline solutions into the vasculature of a patient.

Abstract: A method and system for electrochemically machining a hollow body of a metal or a metal alloy. An electrode is positioned within a hollow body including a metal or metal alloy, where the hollow body has a variable internal diameter. The hollow body is oriented vertically, with the electrode oriented vertically therein. The hollow body is at least partially filled with an aqueous, acidic electrolyte solution, the electrolyte solution being devoid of hydrofluoric acid and having a viscosity less than 15 cP. An electric current is passed between the hollow body and the electrode, where the electric current includes a plurality of anodic pulses and a plurality of cathodic pulses, and where the cathodic pulses are interposed between at least some of the anodic pulses.

Abstract: An electrochemical finishing system for super conducting radio frequency (SCRF) cavities including a low viscosity electrolyte solution that is free of hydrofluoric acid, an electrode in contact with the electrolyte solution, the SCRF cavity being spaced apart from the electrode and in contact with the electrolyte solution and a power source including a first electrical lead electrically coupled to the electrode and a second electrical lead electrically coupled to the cavity, the power source being configured to pass an electric current between the electrode and the workpiece, wherein the electric current includes anodic pulses and cathodic pulses, and wherein the cathodic pulses are interposed between at least some of the anodic pulses. The SCRF cavity may be vertically oriented during the finishing process.

Abstract: A thermocouple includes a first housing defining a first interior with an open end, a second housing having a first end and a second end, wherein the second housing is slidably coupled to the first housing with the first end residing within the first interior and the second end residing exteriorly of the first interior and a temperature sensing element, and a seal.

Abstract: An electrochemical finishing system for super conducting radio frequency (SCRF) cavities including a low viscosity electrolyte solution that is free of hydrofluoric acid, an electrode in contact with the electrolyte solution, the SCRF cavity being spaced apart from the electrode and in contact with the electrolyte solution and a power source including a first electrical lead electrically coupled to the electrode and a second electrical lead electrically coupled to the cavity, the power source being configured to pass an electric current between the electrode and the workpiece, wherein the electric current includes anodic pulses and cathodic pulses, and wherein the cathodic pulses are interposed between at least some of the anodic pulses. The SCRF cavity may be vertically oriented during the finishing process.

Abstract: A layer of chromium metal is electroplated from trivalent chromium onto an electrically conducting substrate by immersing the substrate and a counter electrode in a electroplating bath and passing a modulated electric current between the electrodes. In one embodiment, the current contains pulses that are cathodic with respect to said substrate and in another embodiment the current contains pulses that are cathodic and pulses that are anodic with respect to said substrate. The cathodic pulses have a duty cycle greater than about 80%.

Abstract: A thermocouple includes a first housing defining a first interior with an open end, a second housing having a first end and a second end, wherein the second housing is slidably coupled to the first housing with the first end residing within the first interior and the second end residing exteriorly of the first interior and a temperature sensing element, and a seal.

Abstract: An electrochemical machining system for metals and alloys having a strongly passivating character including an electrolyte solution that is free of hydrofluoric acid, an electrode in contact with the electrolyte solution, a workpiece spaced apart from the electrode and in contact with the electrolyte solution and a power source including a first electrical lead electrically coupled to the electrode and a second electrical lead electrically coupled to the workpiece, the power source being configured to pass an electric current between the electrode and the workpiece, wherein the electric current includes anodic pulses and cathodic pulses, and wherein the cathodic pulses are interposed between at least some of the anodic pulses.

Abstract: Various approaches for activating a traffic control preemption system. A light bar includes a support structure and a plurality of LED modules individually mounted on the support structure. Each LED module includes a plurality of LED groups, and in at least one of the plurality of LED modules, at least one LED group in the module is an infrared (IR) LED group, and at least one LED group in the module is a visible light LED group. A controller is coupled to each module. The controller is configured to trigger an IR light pulse pattern at a first level of IR radiant power from the at least one IR LED group. The pulse pattern and first level of IR radiant power activate preemption in a traffic control preemption system.

Abstract: A light emitter for a traffic control preemption system. The emitter includes a plurality of groups of infrared (IR) LEDs and a power source coupled to the groups of LEDs. A plurality of controlled current sources is coupled to the plurality of groups of LEDs, respectively. A controller is configured to trigger an IR light pulse pattern from the groups of LEDs and maintain a first level of IR radiant power from the groups of LEDs using individual control of respective current levels to the groups of LEDs in response to current sense levels from the groups of LEDs. The pulse pattern and first level of IR radiant power activate preemption in the traffic control preemption system.