Xiuzhen
Xiuzhen Dong, Xi'An CN
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20140188417 | Electrical impedance detecting device of portable electrical impedance imaging system and detecting method thereof - An electrical impedance detecting device of a portable electrical impedance imaging system by utilizing a theory of sending excitation signal and detecting response signal and a method thereof, wherein the excitation signal is a constant square wave excitation current signal, the response voltage signal on a target is transformed to a square wave signal with appropriate amplitudes by buffering, amplifying, RC filtering and differential amplifying circuits, and then is transformed to a digital signal at a proper time by an analog-to-digital converter. The response voltage signal is sampled once when at high level and once when at low level for every circle of the square wave signal by the ADC, and a sample V | 07-03-2014 |
Xiuzhen Li, Beijing CN
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20140063848 | BACKLIGHT MODULE AND DISPLAY DEVICE - According to the present disclosure, there are provided a backlight module and a display device. With the backlight module, a heat dissipating device can be saved, and a light guide plate is prevented from being warped and deformed due to heat generation of a light source. The backlight module comprises a light source, a light guide plate and a side-glowing optical fiber. The side-glowing optical fiber includes: a light emitting section which is fixed to at least one side of the light guide plate; and a light guide section, which extends from the light emitting section to the outside of the light guide plate, and a terminal of which is connected to the light source. | 03-06-2014 |
Xiuzhen Qian, Shanghai CN
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20160115301 | METHODS FOR RECOVERING CARBON FIBER FROM CARBON-FIBER-REINFORCED POLYMER (CFRP) COMPOSITES - Method for recovering carbon fibers from carbon fiber reinforced polymer composites is provided. The recovered carbon fibers can be separable and can be substantially free of thermosetting resins. Compositions comprising said recovered carbon fibers are also provided. | 04-28-2016 |
Xiuzhen Wang, Shanghai CN
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20110233462 | LIQUID CRYSTALLINE POLYESTER COMPOSITIONS - The present invention provides a class of thermotropic liquid crystalline polyesters (TLCPs) and molding compositions comprising the polyesters and glass fiber. The TLCPs consist essentially of repeat units derived from p-hydroxybenzoic acid (HBA), 6-hydroxy-2-naphthoic acid (HNA), terephthalic acid (TA), and hydroquinone (HQ), and the mole percent of HBA, HNA, TA and HQ is 34-72%, 12-26%, 4-21% and 4-21%, respectively. The TLCPs have a melting temperature equal to or below 355° C., an inherent viscosity of 4.0-10.0 dL/g and a Heat Deflection Temperature (HDT) in the range of 260-285° C. when compounded with 30% by weight glass fiber. The optimum compositions, selected from the above-mentioned compositional ranges exhibit a relatively low melting temperature and a relatively high HDT. Specified compositions, selected from the above-mentioned compositional ranges have low melting point, which are useful to blend with conventional polymers such as poly (ethylene terephthalate) and nylon etc. | 09-29-2011 |
Xiuzhen Yang, Beijing CN
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20130324720 | SYSTEM AND PROCESS FOR MELAMINE PRODUCTION BY GAS-PHASE QUENCHING METHOD OF ENERGY EFFICIENT AND COST SAVING TYPE - A system and process for melamine production by gas-phase quenching method and its process are provided. The said system includes a urea scrubber, after which a fluidized bed reactor, a hot-air cooler, a hot-air filter, a crystallizer and a melamine collector are installed in series successively, where the said melamine collector is connected to the said urea scrubber and the said fluidized bed reactor is connected to a carrier gas pre-heater which is connected to a carrier gas compressor; the said system further includes a gas-liquid separator which is connected to the said urea scrubber which is connected to a crystallizer; wherein a cool air blower is provided between the said gas-liquid separator and the crystallizer. The production system of the invention has the advantages of high productivity, stable operation, low energy consumption, low investment and high economic value of tail gas. | 12-05-2013 |