Abstract: A gas ionization chamber, includes a first electrode, a fence electrode disposed below the first electrode, a second electrode disposed below the fence electrode, a first dielectric layer disposed between the first electrode and the fence electrode, and a second dielectric layer disposed between the fence electrode and the second electrode. The first and second electrodes, and the first and second dielectric layers include a plurality of aligned holes forming channels configured to permit gas flow between the first electrode to the second electrode through an opening in the fence electrode, the plurality of aligned holes being arranged in a pattern having a central region with a first set of aligned holes and a peripheral region having a second set of aligned holes, and wherein a diameter of at least one hole of the first set of aligned holes is less than or equal to about 0.5 millimeters.

Abstract: An operation device includes a transmission interface and a control circuit. The transmission interface is coupled to the bus. The control circuit outputs a switching command to the first slave device at the first transmission rate and via the transmission interface, to control the first slave device to operate in an update mode, and outputs update data to the first slave device at the second transmission rate and via the transmission interface, so as to update a program code of the first slave device. The second transmission rate is higher than the first transmission rate.

Abstract: An operation device includes a transmission interface and a control circuit. The transmission interface is coupled to the bus. The control circuit outputs a switching command to the first slave device at the first transmission rate and via the transmission interface, to control the first slave device to operate in an update mode, and outputs update data to the first slave device at the second transmission rate and via the transmission interface, so as to update a program code of the first slave device. The second transmission rate is higher than the first transmission rate.

Abstract: A collision monitoring apparatus can include a camera to acquire a video image of surroundings of at least one target protection component on the C-arm X-ray machine system; an image processor to determine a scene of the surroundings of the at least one target protection component according to the video image; and a controller to control a C-arm X-ray machine system to stop moving or slow down when it is determined that a possible collision exists according to the scene of the surroundings of the at least one target protection component. Advantageously the apparatus effectively prevents patients, operators, patient examination beds and other obstacles from suffering a serious collision with the C-arm itself.

Abstract: A method of production of carbamic acid ester has a high yield and high selectivity and is superior in economy. The method of production of a carbamic acid ester includes reacting an amine, carbon dioxide, and an alkoxysilane compound in the presence of a catalyst containing a zinc compound or an alkali metal compound or in the presence of an ionic liquid. A carbamic acid ester is produced, for example by reacting aniline, carbon dioxide, and tetramethoxysilane at a temperature of 150 to 180° C. in the presence of zinc acetate and 2,2?-bipyridine.

Abstract: A LED heat-dissipating downlight includes an enclosure body, a light source board, and a driving board. The enclosure body has a side opening. The accommodating chamber is substantially made of a heat dissipation material. The light source board and the driving board are disposed in the accommodating chamber. The light source board is disposed on a bottom of the accommodating chamber, and thermally contacted to the accommodating chamber. The driving board is disposed on the light source board. The driving board has a spacing hole, and the light generated by the light source board passes through the spacing hole to the side opening of the accommodating chamber.

Abstract: A synchronous rectification control circuit for controlling a switching circuit comprising a synchronous rectifier switch, can include: a drive circuit configured to generate a drive signal to control switching states of the synchronous rectifier switch; and a voltage regulation circuit configured to control the drive circuit to adjust an amplitude of the drive signal to decrease to a preset threshold in an adjustment state when a drain-source voltage of the synchronous rectifier switch is greater than an adjustment threshold before the synchronous rectifier switch is turned off, where a time that the voltage regulation circuit is in the adjustment state is an adjustment time.

Abstract: Embodiments of the present invention provide a method, a device, and a system for determining timing advance grouping, and relate to the field of communications, the method, device and system for determining timing advance grouping. The method includes adding, by a base station (eNodeB), a component carrier (CC) for a user equipment (UE); according to obtained timing advance (TA) group information or a preset rule, determining a TA group that the added CC belongs to, where the TA group is a set of CCs that can share a TA; and sending identification information that identifies the TA group to the UE. Embodiments of the present invention are used to determine TA grouping when the eNodeB adds the CC for the UE.

Abstract: The invention provides novel compositions, methods, and therapeutic uses related to fusogenic protein MINION (microprotein inducer of fusion).

Abstract: A method of production of carbamic acid ester has a high yield and high selectivity and is superior in economy. The method of production of a carbamic acid ester includes reacting an amine, carbon dioxide, and an alkoxysilane compound in the presence of a catalyst containing a zinc compound or an alkali metal compound or in the presence of an ionic liquid. A carbamic acid ester is produced, for example by reacting aniline, carbon dioxide, and tetramethoxysilane at a temperature of 150 to 180° C. in the presence of zinc acetate and 2,2?-bipyridine.

Abstract: Embodiments of the present invention provide a method, a device, and a system for determining timing advance grouping, and relate to the field of communications, the method, device and system for determining timing advance grouping. The method includes adding, by a base station (eNodeB), a component carrier (CC) for a user equipment (UE); according to obtained timing advance (TA) group information or a preset rule, determining a TA group that the added CC belongs to, where the TA group is a set of CCs that can share a TA; and sending identification information that identifies the TA group to the UE. Embodiments of the present invention are used to determine TA grouping when the eNodeB adds the CC for the UE.

Abstract: Embodiments of the present invention provide a method, a device, and a system for determining timing advance grouping. In one embodiment, a base station adds a component carrier (CC) for a user equipment (UE). The base station determines a timing advance (TA) group to which the added CC belongs. The TA group is a set of CCs that can share a TA. The base station sends identification information that identifies the TA group to the UE.

Abstract: Disclosed is a lighting device (100) comprising a carrier (10) having a main body (12) and first and second protrusions (14, 16) extending in parallel from said main body, the first protrusion comprising a first main surface (142) and an opposite second main surface (144), the second protrusion comprising a third main surface (162) and an opposite fourth main surface (164), wherein the first main surface and the third main surface are on the same side of the carrier, said carrier carrying at least one solid state lighting element (20) on at least one of the first main surface and the fourth main surface; and a heat dissipating member (30) having a first portion (32) thermally coupled to the second main surface and having a second portion (33) thermally coupled to the third main surface. A luminaire including such a lighting device is also disclosed.

Abstract: A method, an apparatus, and a system for paging a User Equipment (UE) are provided. The method for paging a UE includes: sending a downlink data notification message inclusive of paging range indicator information to a core network control plane entity; receiving a paging message sent by the core network control plane entity and inclusive of a raging range; and initiating a paging to a UE corresponding to a user ID in the paging range. The apparatus for paging a UE includes: a first sending module, a first receiving module, and a paging initiating module. A system for paging a UE is further provided. With the method, apparatus, and system for paging a UE, the UE can be paged in only a set paging range.

Abstract: A scheduling request method, network side device, terminal device and system, belong to the field of communications technologies. The method includes: configuring a first shared resource used for a scheduling request (SR), and sending first information to multiple terminal devices to notify of the first shared resource (101); receiving the SR on the first shared resource (102); allocating a second shared resource of uplink data to the multiple terminal devices, or allocating a dedicated resource of uplink data to at least one of the multiple terminal devices (103). The network side device includes: a configuration module, a receiving module and an allocation module. The terminal device includes: a receiving module, a request module and a sending module. The present invention avoids the waste of the uplink data resource, and improves a utilization rate of the uplink data resource and a transmission success rate of the uplink data.

Abstract: A power control method includes obtaining power headroom information of an aggregated carrier of a User Equipment (UE). The aggregated carrier includes at least one component carrier group and at least one first carrier, or includes at least one component carrier group, or includes at least two first carriers. The component carrier group includes at least two second carriers, and the first carrier and the second carrier are single carriers, The method also includes adjusting transmit power of the aggregated carrier according to the power headroom information.

Abstract: A method, an apparatus, and a system for paging a User Equipment (UE) are provided. The method for paging a UE includes: sending a downlink data notification message inclusive of paging range indicator information to a core network control plane entity; receiving a paging message sent by the core network control plane entity and inclusive of a raging range; and initiating a paging to a UE corresponding to a user ID in the paging range. The apparatus for paging a UE includes: a first sending module, a first receiving module, and a paging initiating module. A system for paging a UE is further provided. With the method, apparatus, and system for paging a UE, the UE can be paged in only a set paging range.

Abstract: A contention based resource configuration method is disclosed. The method includes: configuring, by a network device, a contention based resource parameter, wherein the contention based resource parameter comprises one or any combination of the following: a period and/or a frequency of a contention based resource block, the number of contention based resource blocks allocated once, a size of the contention based resource block, a modulation and coding scheme, and expected reception power; and notifying, by the network device, a user equipment of the contention based resource parameter. Through the technical solutions provided by the embodiments of the present invention, a network side may allocate a contention based resource more properly, and the user equipment may know the contention based resource parameter and use the contention based resource more properly and flexibly.

Abstract: A CB resource feedback method is disclosed. The method includes: receiving, by a network device, uplink information that is sent by a sending device on a CB resource; when the uplink information is decoded, feeding back, by the network device correct reception of the uplink information to the sending device through a first physical downlink control channel, where the first physical downlink control channel is masked with an identifier of the sending device. Through the technical solutions provided in embodiments of the present invention, the sending device may be enabled to accurately know that the uplink information sent by the sending device is received correctly or is received incorrectly, and the sending device may be enabled to know a receiving status more quickly.

Abstract: A method, an apparatus, and a system for paging a User Equipment (UE) are provided. The method for paging a UE includes: sending a downlink data notification message inclusive of paging range indicator information to a core network control plane entity; receiving a paging message sent by the core network control plane entity and inclusive of a raging range; and initiating a paging to a UE corresponding to a user ID in the paging range. The apparatus for paging a UE includes: a first sending module, a first receiving module, and a paging initiating module. A system for paging a UE is further provided. With the method, apparatus, and system for paging a UE, the UE can be paged in only a set paging range.