摘要:
An acoustic logging tool sleeve with a preferably discontinuous, alternating structure that is acoustically opaque in some zones, and acoustically transparent in others. The sleeve may be modular, with several stages connected together. The multiple stages provide a sleeve that may be useful with a variety of borehole logging tools to reduce or eliminate the transmission of noise to the receiving elements.
摘要:
An improved method for introducing gases into an alternating plasma etching/deposition chamber is provided by the present invention. To minimize the introduction of pressure pulses into the alternating etching/deposition chamber when the deposition and etchant gas supplies are switched on and off, a mass flow controller is used to provide a relatively constant flow of gas. A gas bypass or a gas exhaust is provided such that when a gas inlet to the alternating etching/deposition chamber is closed an alternative path is provided for the flow of gas from the mass flow controller. The provision of a bypass or exhaust maintains the pressure of the gas received from the mass flow controller at a substantially constant level. The elimination or minimization of a pressure pulse of the gas helps increase the smoothness of the walls of high aspect ratio features etched in a silicon substrate in the alternating etching/deposition chamber.
摘要:
The present invention is directed to methods of, and systems for, allowing an account participant to add value via a wide-area network to a first account from a second account. A first account server coupled to a wide-area network supports the first account. In a preferred embodiment the wide-area-network-accessible value transfer station (VTS) includes a central processing unit for executing instructions, and a memory unit. The memory unit includes an operating system, software for receiving from a participant via the network a) second account identification information, and b) a value that the participant desires to transfer to the first account from the second account, second account verification software for receiving the second account identification number from said receiving software and for verifying that the second account authorizes the transfer of the specified value, and value transfer software for receiving a value from the receiving software, for receiving a verification from the verification software, and for transferring the specified value to the first account from the second account if the verification is received. The wide-area-network-accessible VTS further includes conductive interconnects connecting the central processing unit and the memory unit to allow portions of the wide-area-network-accessible value transfer station to communicate and to allow the central processing unit to execute the software in the memory unit.
摘要:
A waterproof housing that contains a stabilization tray where a wide variety of video camera can be mounted and then controlled using an adjustable mechanism. The unit is sealed watertight and controlled by depressing a rubber endcap, which activates the adjustable record mechanism that in turn activates the video camera.
摘要:
An elastomeric article having reducing microbe affinity and transmission is disclosed. The article has a coating of a hydrophobic, non-leaching antimicrobial polymer that is durably attached to an exterior surface, such that said antimicrobial polymer does not spontaneously migrate or is not removed from said exterior surface in the presence of aqueous substances, strong acids and bases, and organic solvents, and said antimicrobial polymer forms either a water-insoluable siloxane resin, or a covalently attached siloxane homopolymer, or a combination of both. The coated surface has a reduced affinity for aqueous-based substances and exhibits an enduring reduction in microbe affinity and transmission.
摘要:
An integrated process for lowering the pour point of Fischer-Tropsch derived wax which comprises (a) collecting separately from a Fischer-Tropsch unit a Fischer-Tropsch wax and a Fischer-Tropsch condensate; (b) pyrolyzing the Fischer-Tropsch wax in a thermal cracking zone under thermal cracking conditions pre-selected to achieve a cracking conversion of the paraffins molecules present in the Fischer-Tropsch wax of at least 10 percent; (c) recovering from the thermal cracking zone a low pour point Fischer-Tropsch derived wax and a Fischer-Tropsch derived overhead product; and (d) mixing at least a portion of the Fischer-Tropsch derived overhead product recovered in step (c) and at least a portion of the Fischer-Tropsch condensate collected in step (a) with at least a portion of the low pour point Fischer-Tropsch derived wax in the proper proportion to produce a Fischer-Tropsch derived waxy product having a pour point equal to or below about 40 degrees C.
摘要:
A method of inserting z-axis reinforcing fibers into a multi-layer composite laminate. Layers of material made up of z-axis fiber and y-axis fibers are automatically transported into a z-fiber deposition machine having a housing with upper and lower surfaces. Z-axis apertures are formed in the respective upper and lower surfaces. An elongated solid rod having a tapered front tip is aligned in close proximity to the aperture in the bottom surface. The rod is first rotated by a motor and then actuated upwardly completely through the thickness of the layer of x-y material by an actuator. A first hollow tube having a z-axis is axially aligned with the aperture in the top surface and a fiber bundle is threaded downwardly through a first hollow tube to a position adjacent its bottom end. The z-fiber deposition machine has structure to feed a predetermined length of the fiber bundle downwardly through the first hollow tube so that it follows the pathway in the x-y material formed by the rod which is now withdrawn downwardly through the aperture in the bottom wall. The z-axis fiber is thus deposited into the x-y material. The top end of the z-axis fiber is then severed and the x-y material is then advanced a predetermined distance to complete the cycle and is, thus, set to be repeated.
摘要:
Methods for treating diseases or conditions modulated or ameliorated by nitric oxide, particularly ischemia and reperfusion injury, are provided, using glycolipids structurally related to monophosphoryl lipid A but with notable reduction in proinflammatory and pyrogenic activity.
摘要:
A dispensing outlet assembly for a connection to a beverage container such as a bottle, comprises a body having an inlet for connection to the container, and a dispensing outlet through which beverage is dispensed from the container. A flow passage between the inlet and the outlet contains a ball-type non-return valve and an annular color element through which beverage dispensed from the container passes so as to impart a color to the beverage as it is dispensed.
摘要:
A data processor bus in which information is transferred between agents attached to the bus by issuing request packets that request data from an agent on the bus and reply packets that return data requested by a request packet. A control method mixes request-and-reply packets on the bus by determining the use of a next-bus cycle using arbitration, reply deferral, and specification lines and the state of a grant queue and a pipe queue in accordance with a specified protocol. A request is forced to take the next available bus cycle upon the condition that there is an agent identified in the great queue and the pipeline queue is not full. A reply packet is forced to take the next available bus cycle upon the condition that the pipeline queue is full. A reply packet is forced to take the next available bus cycle upon the condition that the grant queue is empty and the pipeline queue is not empty. Giving requests precedence over replies to allows the pipeline to be kept as full as possible. A replying agent assigned to the highest priority slot 1 in the pipeline queue is allowed to defer its own slot in the pipeline queue until a later time to thereby permit a transaction in Slot 2 of the pipeline queue to be completed before the one ahead of it.