摘要:
A mechanical bladder pump is provided for collecting fluid samples from a well. The pump includes an outer tubular member having a longitudinal bore, and an inner tubular member arranged within the bore of the outer tubular member. The inner and outer tubular members are connected at their lower ends to a compressible bladder, and are arranged for oscillating movement relative to each other to expand and compress the bladder. The lower end of the bladder is open to an inlet passage, and the upper end of the bladder is open to an outlet passage. First and second check valves are provided to control the flow of fluid through the bladder during operation of the pump. A return spring is used to store energy during a tension stroke of the inner tubular member and to release energy during a compression stroke thereof. The pump provides highly representative samples of groundwater.
摘要:
Various circuit devices for contact defect inspection and methods of fabrication and use thereof are provided. In one aspect, a circuit device is provided that includes a substrate and an insulating film positioned on the substrate that has a plurality of openings therein. A plurality of members is provided. Each of the plurality of members is positioned in one of the plurality of openings and has known dimensions. The plurality of members provide a known set of defects in the plurality of openings to facilitate inspection of the plurality of openings. The circuit device may be used to accurately calibrate inspection tools to detect contact defects.
摘要:
Various methods of inspecting a workpiece for residue are provided. In one aspect, a test structure is provided that includes a substrate, a first conductor on the substrate and a second conductor on the substrate. A resistor network is coupled in parallel between the first conductor and the second conductor. The resistor network has n resistors and n contacts and a measurable resistance RM. Each of the n resistors has a known resistance Rk and a known position on the substrate. Each of the n contacts is connected between one of the n resistors and the first conductor or the second conductor, whereby the location of any of the n contacts in an open state is determined from the equation: R M = 1 1 R k + … 1 R n The test structure provides for not only the identity but also the location of open contacts.
摘要:
An antenna arrangement is provided with a phase lock loop so that the phase of microwave energy radiated by an antenna element can be precisely controlled. The phase lock loop provides compensation for phase errors introduced in the feed to the antenna element and includes a controllable local oscillator. In practice, a large number of individual antenna channels could be provided, each having its own phase lock loop, so that together a directional microwave beam could be radiated. Such a requirement can exist in connection with pulsed radars.
摘要:
Embodiments may comprise a personal cargo device. According to some embodiments a personal cargo device may include an elongate strip defining a band, and the band may include fastening means at either end so that the ends may be joined. Furthermore, the bands may have at least one lateral fastening means disposed along the length of the band which is adapted to engage a hanging cargo member. A hanging cargo member may be so dimensioned as to substantially cover and/or protect a thigh of a wearer, and may include one or more integrated storage means. An integrated storage means may be closable with a closure flap, which may be removable from an embodiment.
摘要:
The invention provides a method of handover from an active network to a selected one of a plurality of potential other networks. In addition to the overall solution, the solution proposed has several individual aspects. All subsidiary aspects are related to the common problem mentioned above and sharing the underlying common solution concept of implementing a system in which selective handover is possible and in which a list of available other networks provided by an active network can be handled and selection made by a terminal, so that neighbor cell information can be transmitted based on expressed terminal preferences.
摘要:
There is disclosed a method to synthesize microporous crystalline material comprising a metal containing chabazite having a crystal size greater than 0.5 microns and a silica-to-alumina ratio (SAR) between 5 and 15, wherein the method is carried out without the use of an organic structural directing agent and without requiring calcination. There is also disclosed a large crystal organic free chabazite made according to the disclosed method. In addition, there are disclosed methods of using the disclosed crystalline material, such as in the selective catalytic reduction of NOx in exhaust gases.
摘要:
The present invention is directed to a lubricating oil composition, a diesel engine comprising a lubricating oil composition, and a method of lubricating a diesel engine provided with an exhaust gas recirculation system, comprising lubricating said engine with a lubricating oil composition comprising an oil of lubricating viscosity, and a polymeric N-dispersant booster.
摘要:
Methods and apparatus are disclosed for combining advertising messages with short message service (SMS) messages in a wireless communications system. A signaling message processing and routing node transmits and receives short message service (SMS) data packets via a communications network. The routing node includes an SMS message processing module that determines whether an SMS message should be modified to include advertisements. SMS messages, whether modified or left unmodified, are forwarded to a destination mobile communications device. The SMS message processing module applies rules to match selected advertisements with the SMS message. The determination of whether to modify the SMS message to include a selected advertisement is based on a variety of considerations including: the content and format of the SMS message; the content and format of the advertisements; the communications and display characteristics of the destination mobile communications device; and the limitations of the channel used to communicate the message to the destination mobile communications device.