摘要:
A method for manufacturing a heat-dissipating structure with high heat-dissipating efficiency, includes the following steps: providing a heat-dissipating casing having a hollow heat-dissipating body that has at least two ends; closing one end of the hollow heat-dissipating body; pouring work liquid from other end of the hollow heat-dissipating body into an inner portion of the hollow heat-dissipating body; cooling the work liquid from the liquid state to the solid state by an external cooling medium; extracting air from the hollow heat-dissipating body; and then closing the other end of the hollow heat-dissipating body to form an evacuated hollow heat-dissipating body.
摘要:
A plane-type heat-dissipating structure with high heat-dissipating effect includes a first heat-dissipating unit and a second heat-dissipating unit. The first heat-dissipating unit has an evacuated hollow heat-dissipating body, a plurality of supports integratedly formed in the hollow heat-dissipating body in order to divide an inner space of the hollow heat-dissipating body into a plurality of receiving spaces, and a plurality of microstructures integratedly formed on an inner surface of the hollow heat-dissipating body. Work liquid is filled into the receiving spaces. The second heat-dissipating unit is integratedly formed on an outer surface of the first heat-dissipating unit.
摘要:
A phase locked loop (PLL) comprises: a reference oscillator to generate a reference clock having a reference frequency; a voltage controlled oscillator (VCO) to generate a VCO clock having a VCO frequency controlled in response to a control signal applied to the VCO; a first integrator to integrate the reference frequency into a first ramp slope; a second integrator to integrate the VCO frequency into a second ramp slope; and a slope comparator to generate a slope difference between the first ramp slope and the second ramp slope and that is conveyed by the control signal, such that the control signal is configured to drive the VCO frequency toward the reference frequency to minimize the slope difference and frequency lock the VCO frequency to the reference frequency.
摘要:
A positioning structure of a clamper of a threading machine for a racket contains: a rack, an engagement protrusion, an operation member, and two springs. A fixing holder is erected on a support plate of the threading machine, and the rack includes multiple first teeth, the fixing holder includes an accommodation chamber with an opening. The engagement protrusion is received in the accommodation chamber and includes a toothed extension on which multiple second teeth are formed. The engagement protrusion further includes a recess and an abutting fence. The operation member includes a drive portion and a push portion. The two springs are mounted on a top of the engagement protrusion, and two ends of each spring abut against the engagement protrusion and the fixing holder respectively so that each spring forces the engagement protrusion to engage with the rack.
摘要:
An improved pistonless cylinder, including both single acting and double acting configurations, based on an Aramid fiber reinforced elastomer tubular which is highly stiff in radial direction against radial expansion and elastic in axial extension, so as to form a completely sealed, extendable and retractable pressure chamber and to be able to perform as well as, or better than, most of the conventional hydraulic cylinders in terms of load bearing capacities, maximum stroke distances and service durability. This improved cylinder employs no piston, piston rod, sealing seals or oil based hydraulic fluid, and utilizes non-metal materials to construct the majority of the parts for its extendable and retractable pressure chamber; therefore, this new cylinder can achieve significant weight and fabrication cost reduction. In addition, this new pistonless cylinder uses ordinary liquids, e.g., fresh water or seawater, as its hydraulic fluid, and can work directly as a hydraulic or pneumatic cylinder interchangeably without a need for much, if any, modification.
摘要:
Disclosed in the present invention are a medical imaging system and method based on virtual reality technique and capable of carrying out interactive and three-dimensional dynamic real-time rendering. The medical imaging system, including a local medical imaging device, a server and a terminal medical imaging device, can realize dynamic real time rendering, and realize more real, steric and intuitive the imaging effect. Based on the system and method, the doctor can realize positioning zoom, rotation, “entering”, moving up and down, change in color and transparency in a particular area and the like of three-dimensional imaging to realize the interactive display of three-dimensional image.
摘要:
Disclosed in the present invention are a medical imaging system and method based on virtual reality technique and capable of carrying out interactive and three-dimensional dynamic real-time rendering. The medical imaging system, including a local medical imaging device, a server and a terminal medical imaging device, can realize dynamic real time rendering, and realize more real, steric and intuitive the imaging effect. Based on the system and method, the doctor can realize positioning zoom, rotation, “entering”, moving up and down, change in color and transparency in a particular area and the like of three-dimensional imaging to realize the interactive display of three-dimensional image.
摘要:
A string clamping device of a threading machine for a racket contains: a clamp unit, a tightening unit, an adjustment disc, a connection column, and a fixing structure. The clamp unit includes a body, a locking seat, and two first springs. The body has multiple first paws, the locking seat has multiple second paws, and among the multiple first and second paws is defined a gap of the clamp unit. The tightening unit includes an abutting block and an operation handle, the body has a first protrusion with a first through orifice, and the adjustment disc includes multiple teeth, wherein between any two adjacent teeth is defined a recess. The fixing structure includes an affix member, a coupling shaft, a second spring, a screwing element, and a support part, wherein the affix member has a retaining portion, and the second spring contacts with a drive tab of the support part.
摘要:
An extendible electrical socket includes: a mother socket connected to a power supply source; and a plurality of daughter sockets which are connectable with one another to be an extendible electrical socket adapted for simultaneously connecting a plurality of electrical devices; each daughter socket including a locking device to be safely engaged with the mother socket or engaged with another or neighboring daughter socket to prevent from their disconnection when coupled and locked by each locking device.
摘要:
An automated test apparatus for risk and integrity testing for pharmaceutical filtration membranes, including at least the following components: a liquid injection inlet, a pump, a fluid pressure gauge, a gas pressure gauge, a plurality of solenoid valves, a plurality of membranes, a gas pressure regulator valve, a pharmaceutical product bottle, and a bubble generation bottle. The automated test apparatus of the present invention is controlled by computer software in connection with an automatic pharmaceutical synthesis apparatus for automated testing. In use of the automated test apparatus of the present invention, it needs only to start the operating system of the automated test apparatus for membrane risk and integrity test after the completion of the automatic pharmaceutical synthesis. The membrane risk and integrity test can be accomplished in a short time by measuring pressures of gas and liquid with pressure gauges deposed online concurrently.