摘要:
The present invention relates to isoolefin polymers and process for preparing the same. The present invention especially discloses a polymerization process for the cationic polymerization of isoolefin monomers in an aqueous reaction medium, and isoolefin polymers obtained by such process. In one embodiment, the present invention relates to a polymerization process for the cationic polymerization of isoolefin monomers in an aqueous reaction medium, and isoolefin polymers obtained therefrom. In another embodiment, the present invention relates to a dispersion polymerization process for the cationic copolymerization of isoolefins with conjugated or non-conjugated diolefins and/or vinyl aromatic compounds, and copolymers obtained therefrom.
摘要:
Known computer peripheral devices are typically interchangeable and can be used with different computers systems and platforms. Most computer operating systems are able to automatically configure the coupled computer peripheral device for use with the computer operating system without the need for installation of a specific driver. However, when these peripheral devices are detected by the computer system, a generic UI control configuration is often assigned to them and whatever customised settings previously configured by the user will be lost and replaced with a new set of unfamiliar settings. Described according to an embodiment of the invention is a collaboration management system initiating a collaboration session for a plurality of computing systems having user-interfaces (UIs) coupled thereto. The collaboration management system discovers the device profiles corresponding to the UIs for extracting corresponding configuration specific to each of the UIs for configuring interactions between the UIs and an application operating during the collaboration session.
摘要:
This invention relates to an oral dosage form of a pharmaceutically active ingredient comprising: (a) an outer capsule and (b) non-uniform pellets, having a non-uniform shape and/or size, contained within the capsule, wherein the pellets comprise a compressed powder comprising a pharmaceutically active ingredient. In one embodiment the active ingredient is selected from the group consisting of doxycycline, omeprazole, esomeprazole, and propafenone. Pharmaceutical formulations of the active ingredients as well as methods and tools for making the oral dosage form are also described.
摘要:
Low aberration relay systems modified to perform as spatial filters in reflectometer, spectrophotometer, ellipsometer, polarimeter and the like systems.
摘要:
A signal reconstructing section (50), a receiver having the signal reconstructing section (50), a communication system having the receiver, and a method for reducing noise in a transformed signal having a plurality of signal components and using the signal reconstructing section (50) are described. The signal reconstructing section (50) of the receiver has a detector (52) for detecting the transformed signal, decision modules (54) each having an input (58) coupled to output (60) of the detector, and a reconstructing module (56) having inputs (62) respectively coupled to output (64) of the decision modules (54). The reconstructing module (56) is adapted to reconstruct one or more subcarriers of the plurality of subcarriers a predetermined number of times to thereby form a noise-reduced transformed signal. Reconstruction of the one or more subcarriers is performed one at a time or two or more simultaneously.
摘要:
Corrosion at the cathode catalyst may be a serious problem compromising fuel cell lifetimes. However in providing for increased corrosion resistance, an expected trade-off may occur regarding fuel cell performance. TKK (Tanaka Kikenzoku Kogyo) has solved this problem by providing both increased corrosion resistance with no concomitant loss in performance with their catalysts TEC50EA10 and TEC50BA10. An alternative to the TKK catalysts is to use an admixture of platinum black and supported catalyst and in particular, an admixture comprising 30-40% by weight platinum black and 60-70% by weight supported catalyst.
摘要:
A method for the determining ultrasonic sound propagation speed and wall thickness of a tubular object. Time-domain and frequency-domain analyses are used, where the latter can determine acoustic dispersion if the specimen is made up of a dispersive material. Time of flight data is sensed from a series of transmitted ultrasonic waves, some of which are reflected and some of which are transmitted. The time of flight data can be used to calculate speed of sound in the tube, as well as wall thickness. Inherent in the time of flight data is the speed of the ultrasonic wave; accordingly, correction for temperature variations in the tube is not required. The calculations based on measured speed of sound quantities produces more accurate results than in calculations where the speed of sound in the specimen is assumed.
摘要:
A generally planar electrical box mounting bracket is securable to a convenient wall stud and is supported by a wall spacer. The bracket defines an aperture and a pair of countersunk recesses diagonally positioned with respect to the aperture. A pair of flushmounting fasteners are received within the countersunk recesses and threadably engage the tabs of an electrical box to secure the electrical box against the interior or rear face of the bracket. A second pair of fasteners are positioned diagonally at opposite corners with respect to the center aperture and are used to secure an electrical box ring upon the front face of the bracket. The attachment of the electrical box ring is independent of the attachment of the electrical box to the bracket thereby facilitating the removal and assembly of the electrical box ring to the bracket without disturbing the attachment of the electrical box.