Abstract: A camera stabilizer module includes a fixed structure including at least two split outer ball seats, where rotating fulcrums are provided on each of the outer ball seats, and there are at least four rotating fulcrums in total; a first circuit board provided with a fixed portion, an elastic portion and a connecting portion that are sequentially connected; a plurality of balls quantitatively consistent with the rotating fulcrums and rotatably connected to the rotating fulcrums in one-to-one correspondence; a movable structure provided in the outer ball seats; and a driving structure capable of driving the movable structure to rotate around at least two rotational axes.

Abstract: A medical device for intradermal injection comprises an injection device 6 and a guiding device 1, which is placed on the skin surface 100 of a subject and comprises a tubular guiding device 2 to guide an axial movement of the injection device 6 toward the skin surface 100. A sleeve-shaped guiding portion 32, 33 tightly matches the profile at the distal end of the injection device 6 to prevent a tilting of the injection device 6 at a foremost distal position of the injection device 6 in the tubular guiding device 2. A positive-fit locking member 24 is provided at a side proximal to the sleeve-shaped guiding portion 32, 33, for locking the foremost distal position of the injection device 6 and coupling the injection device 6 to the guiding device 1. Locking of the injection device generates a sound, indicating that the medical device is ready for injection.

Abstract: Coatings for reducing or preventing fouling of surfaces are provided. In some embodiments, the coating comprises a silane compound, a siloxane compound, a phosphonate compound, a silicone polymer such as PDMS (polydimethylsiloxane), or a combination of silane-siloxane-phosphonate-PDMS in various molecular configurations in single monolayer and overlay assemblies. Also provided are related methods for forming the coating as well as coated substrates such as heat exchangers. Embodiments of the coatings are highly hydrophobic with high contact angles and the coated substrates may be used in a variety of industrial applications that require handling of oil-in-water emulsions, process water and produced water from various process operations, including Steam Assisted Gravity Drainage (SAGD) operations.

Abstract: A camera stabilizer module includes: a housing; a sensor assembly including a lens and an image sensor; an elastic circuit board including a first board body and a second board body, the image sensor being connected to the first board body, the first board body being connected to the second board body through a connecting portion, the connecting portion extending toward an outward side of a surface of the first board body, and the second board body being connected to the first housing; a stabilizer assembly including a stabilizing coil and a stabilizing magnet that are facing each other; and a controller electrically connected to the elastic circuit board, where the stabilizing coil is provided around the image sensor, and the stabilizing magnet is facing the stabilizing coil and provided around the lens.

Abstract: A direct current to asymmetrical square wave alternating current converter is provided that includes two direct current supplies A and B, that provide, respectively, VA and VB output voltages; and four commuting devices (Q1, Q2, Q3 and Q4); in that the power supplies and the commuters form a bridge structure of, at least two Half-bridge substructures, each of which includes two commuting devices and, at least, a direct current power supply. The Half-bridge substructures are connected to each other in the intermediate and low branches, where the work charge RL is connected in the intermediate branch.

Abstract: A tray for positioning, in a fixed positional relationship, a medical vial 7 together with a vial adapter 4 is disclosed. A tray member 10 includes a vial accommodation cavity 11 and a vial adapter accommodation cavity 12, each comprises retaining members 19, 37a, 37b, 35a, 35b, 36a, 36b configured to position the vial adapter 4 and the vial 7 spaced apart from each other and in axial alignment in an intermediate position. The retaining members 19, 37a, 37b, 35a, 35b, 36a, 36b are further configured to guide a relative axial movement of the vial 7 and vial adapter 4 from the intermediate position to a transfer position while maintaining the axial alignment of the vial 7 with the vial adapter 4. In the transfer position the vial adapter 4 is locked to the vial 7 and a piercing mandrel 57 pierces a vial stopper 76 for liquid transfer.

Abstract: Catalysts for dry reforming of methane are provided. In some embodiments, the catalyst comprises a catalyst composition comprising a nickel-copper mixture and a promoter, the promoter comprising barium. The catalyst may be more resistant to sintering and/or coking than conventional catalysts, allowing for use at high temperatures over long periods of time. Related methods for making the catalyst and methods for dry reforming utilizing the catalyst are also provided.

Abstract: Asphalt binders and related methods and uses are provided. In some embodiments, the asphalt binder is produced by: providing a high-asphaltene content petroleum feedstock; performing solvent deasphalting on the feedstock to produce a partially deasphalted oil and an asphaltene-rich residue; and collecting the partially deasphalted oil (DAO). The high-asphaltene content petroleum feedstock may comprise residue from vacuum distillation or flash separation of extra heavy oil or bitumen, or recycled asphalt. The DAO may itself be used as the asphalt binder or may be a component of a blend with the original feedstock. Asphalt binders may also be produced by blending residue and heavy distillate produced from vacuum distillation or flash separation, with DAO or the asphaltene-rich residue of the solvent deasphalting process. The disclosed methods allow for production of asphalt binders of a wide variety of performance grades.

Abstract: Methods for generating a vapor are provided. In some embodiments, the method may comprise heating a pressurized stream liquid brine in an ohmic heating device and introducing the resulting heated, pressurized stream liquid brine into a flash vessel such that the heated, pressurized liquid brine flashes to a vapor portion and a remaining liquid portion. In some embodiments, the method provides integrated vapor generation and water treatment such that feedwaters of varying water quality may be used. Also provided are related systems for generating a vapor.

Abstract: An apparatus for combining a first liquid component 90 stored in a container 125 and a second component stored in a vial 7 by means of negative pressure is disclosed. A tray 1 has a vial cavity 11 and a container cavity 12. A dual-ended transfer needle 131 is fixedly held at the tray 1 at an intermediate needle holding portion 13 between the vial cavity 11 and the container cavity 12 for establishing a fluid communication between the vial 7 and the container 125 by piercing a rubber stopper of the vial and a bottom of the container, respectively. The vial cavity 11 guides the vial 7 along an axial direction AD from an intermediate position towards the transfer position for fluid communication. And the container cavity 12 guides the container 125 along the axial direction AD from an intermediate position towards the transfer position for fluid communication.

Abstract: A non-sensor type closed-loop stabilization control algorithm comprises the following steps: 1, reading all voltages Vk?1 and currents Ik?1 for driving a multi-axis stabilization motor; 2, calculating and outputting all coil resistances Rk?1 in the multi-axis stabilization motor; 3, reading all the coil resistances, voltages and currents in the steps 1 and 2, and calculating and outputting counter electromotive force Ek?1 of all the coils in the multi-axis stabilization motor; 4, reading an stabilization compensation angle ?k, each coil resistance and the counter electromotive force, and calculating and outputting a closed-loop stabilization control Fk; and 5, then waiting for a time step k=k+1, and repeating the steps in the steps 1 to 4. It aims to add a closed-loop control element to a motor without a sensor to achieve an excellent stabilization effect and to reduce the risk of image blurring caused by resonance.

Abstract: Reactors and systems for producing fuel gases are provided herein. In some embodiments, the reactor comprises: an outer sleeve, and inner reaction tube received within the outer sleeve, and an induction heater comprising an induction coil wrapped around the outer sleeve, wherein the induction coil is approximately the same length as the inner reaction tube and longitudinally aligned with the inner reaction tube. Systems including the reactor can be modular such that they can be installed on site at fuel stations and other locations. Related methods for making a fuel gas are also provided.

Abstract: Compositions for water treatment are provided. In some embodiments, the composition comprises: a cationic polyacrylamide-type polymer having a charge density of about 10% to about 40% and a molecular weight of about 600×104 g/gmol to about 900×104 g/gmol; and a cationic surfactant, the surfactant comprising an alkyl quaternary ammonium salt. Also provided are related methods and kits for treating wastewater with dispersed and dissolved organic matters and oils. Embodiments of the compositions, methods, and kits can be used to treat oil-in-water emulsions, produced water, and process water containing dispersed and/or dissolved organic matter such as hydrocarbons from various process industries including Steam Assisted Gravity Drainage (SAGD) oil operations.

Abstract: A circuit board having multiple degrees of freedom, comprises a flat board and a conductive and flexible unit disposed on the flat board. The conductive and flexible unit comprises: an inner support plate, an outer support plate, and at least one flexible connector; a hollow portion is provided on the outer support plate; the inner support plate and the flexible connector are disposed in the hollow portion; the inner and the outer support plates are connected by the flexible connector; the flexible connector comprises an outer connecting portion, an inner connecting portion corresponding to the outer connecting portion, and an extension located between the outer connecting portion and the inner connecting portion. The circuit board has a simple and compact structure; the production efficiency is high; costs are low; a multi-axis flexible anti-shaking effect can be achieved without folding a flexible structure; the resilience performance is good.