摘要:
A dental block for producing a dental prosthesis comprises a green body including zirconia and having a chemical composition including increasing amounts of yttria through a thickness of the green body. The green body is substantially white with a substantially consistent optical characteristic of chroma across the thickness, and is subsequently millable and sinterable to form the dental prosthesis with an optical characteristic of decreasing chroma through a thickness of the dental prosthesis.
摘要:
An ice-making device that includes a duct through which ice is dispensed and a duct-covering part for opening and closing the duct. An ice conveying part conveys the ice dispensed through the duct. A driving speed of the ice conveying part increases for a previously set initial driving time when the dispensing of the ice starts, and the ice conveying part is driven at a previously set target speed when the initial driving time elapses.
摘要:
Disclosed is a high resolution time-of-flight distance measurement device based on a femtosecond laser, including a femtosecond laser light source, a polarization beam splitter, a balanced optical cross-correlator in which second harmonic pulses are generated using reference light and measurement light, wherein the second harmonic pulse that was primarily generated is incident on a first photodetector and the second harmonic pulse that was secondarily generated is incident on a second photodetector, so that a difference in intensity of the second harmonic pulses is output, thus resolving the time interval of the pulse laser, a controller for controlling the repetition rate of the femtosecond laser, and a converter for measuring the repetition rate of the femtosecond laser controlled so that the pulses uniformly overlap by means of the controller, using a frequency counter traceable to a time/frequency standard, so that a measured value is converted into distance information.
摘要:
Provided are methods and systems for generating nanoparticles from an inorganic precursor compound using a hydrothermal process within at least one CSTR or PFR maintained at an elevated temperature and an elevated pressure and a treatment vessel in which this reaction solution can be applied to one or more catalyst substrates. In operation, the reaction solution may be maintained within the CSTR at a substantially constant concentration and within a reaction temperature range for a reaction period sufficient to obtain nanoparticles having a desired average particle size of, for example, less than 10 nm formation and/or deposition. Variations of the basic method and system can provide, for example, the generation of complex particle size distribution profiles, the selective deposition of a multi-modal particle size distribution on a single substrate.
摘要:
A refrigerator and a method for controlling the same are provided. In this refrigerator and control method, a receiving box may be automatically drawn in and out together with a door based on a movement command received at an input unit, thus enhancing user convenience and satisfaction.
摘要:
A method of controlling a refrigerator including an ice maker for making ice using chilled air is disclosed. The method includes supplying chilled air to a compartment, blowing chilled air in the compartment to an ice-making tray disposed in the compartment regardless of conditions in the compartment, and varying a blowing speed of the chilled air in the compartment to the ice-making tray according to a demand. According to the present invention, a large quantity of ice can be produced within a short time. Ice-making speed and the quantity of ice can be varied according to a user's demand.
摘要:
An ice making apparatus for a refrigerator, in which an ice bank stores ice and has an opening that discharges ice on its one side. An ejector opens and closes the opening and is rotatably provided at the opening to also eject ice from the ice bank. After completion of an ice discharging operation, a sensor senses a relative position of the ejector against the ice bank and the ejector is controlled to close the opening to the extent necessary.
摘要:
The present invention generally relates to a system and method for automatically updating a MIB by using a meta MIB, and more particularly to a system and method for automatically updating a MIB by using a meta MIB comprising agent 100 for generating an OID named as MIB Info Last Change Time, storing it in the MIB and synchronizing the meta MIB by transmitting a Trap when MIB Info Last Change Time is changed; and NMS 200, in case a trap is inputted to the NMS, for reading an information in a meta MIB Info to SNMP Walk Operation, rewriting a meta MIB information of the agent based on the read information, storing the meta MIB information in the MIB and transmitting the meta MIB information to the agent. In accordance with the present invention, the drawback residing in the conventional structure is ameliorated by designing a basic structure of SMI in the form of meta MIB, SMI defining management information of MIB which is exchanged between the agent and the NMS. Therefore, the MIB of the agent can be automatically shared by the NMS via on-line, thereby improving an automation functionality of the network management, in spite of the trend to more complicated and advanced network.
摘要:
The present invention is directed to methods for forming nanosized metal particles. Preferably, nanosized noble metal particles are formed. According to the methods of the invention, a product containing nanosized metal particles in a solvent are formed. Additionally, processing to remove undesirable byproducts created or used during the fabrication process are not necessary.
摘要:
A water-cooled stator bar clip for electrical generators and a method for applying a corrosion-resistant protective coating, preferably Sc, Ti, Cr, Zr, Nb, Mo, Hf, Ta, W, Ni, and Al, and their alloys or oxides to existing stator bar end fittings in order to significantly reduce the possibility of leaks through the brazed connections of the copper stator bar end connections. The coatings can be applied locally using various known physical vapor deposition (“PVD”), chemical vapor deposition (“CVD”) or other direct coating techniques known in the art. For example, the coatings can be applied using ion plasma deposition, sputtering or wire arc techniques (all PVD processes) or by using electroplating, high velocity oxygen free (“HVOF”) deposition, DC arc or electroless plating. Preferably, the coatings are applied either to new stator bar clips or to existing clips in the field.