Abstract:
This invention provides a fan adapter for electrically connecting a circuit board and a fan connection port. The circuit board has at least a fan pulse width modulation signal node, a first fan waveform feedback signal node, a fan power input signal node, a fan power output signal node, and a second fan waveform feedback signal node. The fan adapter includes a base and first to fifth electrical pins disposed on the base and equidistantly spaced apart in sequence, wherein the first to fifth electrical pins respectively have one end electrically connected to the fan pulse width modulation signal node, the first fan waveform feedback signal node, the fan power input signal node, the fan power output signal node, and the second fan waveform feedback signal node of the circuit board respectively, and respectively have the other end electrically connected to the fan connection port, thereby allowing a single fan adapter to be fit for use with various types of fan connection ports and to control conjoined fans or two fans.
Abstract:
A cryogenic refrigerator includes a first refrigerant tube and a second refrigerant tube each comprising two tubes that are arranged on a cooling stage substantially parallel to each other and communicate with each other through a gas passage formed in the cooling stage. Phase differences are provided to oscillating gas pressures in the first and second refrigerant tubes, to cancel vibration of the cooling stage. Thus, the cryogenic refrigerator can be provided which can effectively reduce the vibration of the cooling stage caused by the oscillating gas pressure and can reduce the size thereof.
Abstract:
Various apparatuses, methods, computer programs, and other systems are disclosed for facilitating testing of a module. In embodiment, a method is provided that comprises the steps of creating a plurality of tasks in a computer system, each of the tasks comprising a list of commands that are sent to a plurality of test devices, the test devices comprising the module to be tested and at least one controlled device interfacing with the module during a test of an operation of the module. In addition, the tasks are organized according to a multi-level hierarchy. The tasks are executed according to an order inherent in the multi-level hierarchy, wherein the execution of each task entails communicating the commands of each task to a respective one of the test devices.
Abstract:
Polypeptides comprising all or part of a variant integrin α subunit A domain or a variant integrin β subunit A-like domain are described. In solution or in membrane-associated form, the A domain or the A-like domain of the polypeptides of the invention exists predominantly in a high affinity conformation. In the polypeptides of the invention, referred to as variant integrin polypeptides, a crucial isoleucine residue (described in greater detail below) is absent. The isoleucine can be either deleted or replaced with different amino acids residue, preferably a smaller or less hydrophobic amino acid residue, e.g., alanine or glycine. Because the variant integrin polypeptides of the invention exist in solution or in membrane-associated form predominantly in a high affinity conformation, they are useful in screening assays for the identification of molecules that bind to (and/or mediate the activity of) an integrin. They are also useful for generating antibodies, e.g., monoclonal antibodies, which bind to the high affinity form of an integrin. Some such antibodies recognize an epitope that is either not present or not accessible on an integrin that is in a lower affinity conformation. The variant integrin polypeptides of the invention can be derived from any integrin α subunit or any integrin β subunit and could be used therapeutically. The variant integrin polypeptides preferably include a ligand-binding portion of an A-domain or an A-like domain.
Abstract:
A cryogenic refrigerator includes a first refrigerant tube and a second refrigerant tube each comprising two tubes that are arranged on a cooling stage substantially parallel to each other and communicate with each other through a gas passage formed in the cooling stage. Phase differences are provided to oscillating gas pressures in the first and second refrigerant tubes, to cancel vibration of the cooling stage. Thus, the cryogenic refrigerator can be provided which can effectively reduce the vibration of the cooling stage caused by the oscillating gas pressure and can reduce the size thereof.
Abstract:
A combined process of low degree solvent deasphalting and delayed coking, which comprises feeding a deasphalting stock and a solvent into an extractor and making the yield of the deasphalted oil 70 wt %-95 wt %, and introducing a part or all of the deasphalted oil and optionally a conventional coking stock into a delayed coker. This process increases the yield of liquid products, removes the heavy asphaltene which is prone to coke, extends the run length of the delayed coker, and at the same time, lowers the content of impurities in coke, enlarges the sources of the stocks for producing the needle coke.
Abstract:
FIG. 1 is a perspective view of the business card holder showing my new design; FIG. 2 is a perspective view thereof from another angle; FIG. 3 is a front elevational view thereof; FIG. 4 is a rear elevational view thereof; FIG. 5 is a left side elevational view thereof; FIG. 6 is a right side elevational view thereof; FIG. 7 is a top plan view of thereof; and, FIG. 8 is a bottom plan view of thereof.
Abstract:
The invention discloses a mechanical performance testing device and a hydraulic control system thereof. The instrument comprises a base, a fixing means, a first testing means and a second testing means. Wherein the base is connected with the fixing means, each of the first testing means and the second testing means is configured to cause the fixing means to move in various directions. And the instrument can simultaneously apply multiple forces and torques on the element, such that the different stiffness characteristics of the element can be tested simultaneously. The hydraulic control system comprises fuel tank, oil pump and control valves. And the fuel tank, the oil pump and the control valves connect successively. The mechanical performance testing device with hydraulic control system can improve efficiency of the test, reduce the working intensity of inspector, increase the security in detection process, and improve the accuracy of measurement results.
Abstract:
It is provided a dedicated winding tester for composite wire rod-type specimens for effectively measuring the minimum winding radius of the wire rod-type specimens being made with carbon fiber or glass fiber reinforced composites in various diameters or textures via automatically gripping specimens, tightly winding, and sequentially proceeding sustained load in time, thereby supplying test data and design consideration in actual use and transport of the wire rod-type specimens being made of carbon fiber or glass fiber reinforced composites that comprises a shield, a specimen receiver and a winding device being arranged within said shield, as well as a programmable controller being arranged outside the shield.