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Yichang Wang, Shaohong Chen, Chengdong Mu, Hong Shi, Hui Chen, Jianping Yuan: Adaptive control artificial wavemaking device. Tianjin University, Ladas & Parry, July 13, 1993: US05226747 (12 worldwide citation)

An adaptive control artificial wavemaking device comprises an air blower as shock wave source. According to the invention, the device further comprises a control system consisted of a float, a sensor, a control circuit and electromagnetic actuators; butterfly valves; and air chamber for generating s ...


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Qiu Tan, Zuquan Jin, Hongshou Jiang, Zongzhang Liu, Bingjun He: Ion exchange resin catalyst for the synthesis of bisphenols and the process for preparing the same. China Petro Chemical Corporation, Tianjin University, Kane Dalsimer Sullivan Kurucz Levy Eisele and Richard, June 2, 1998: US05759942 (8 worldwide citation)

An ion exchange resin catalyst containing sulfonated styrene-divinylbenzene copolymer, a porous structure with micropore area and transfer pass networks, the transfer pass network is composed of main pass networks and branch pass networks, in non-swollen state, the pore size of the main pass network ...


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Shiyi Jin, Jitang Yuan, Zongli Zhang, Huisheng Lu, Lianshun Wang, Jinzhu Yin: Multiple stage suspended reactive stripping process and apparatus. China Petro Chemical Corporation, Tianjin University, Chilton Alix & Van Kirk, October 21, 1997: US05679312 (5 worldwide citation)

A reactive stripping process for continuously carrying out chemical reactions while separating the reactants from the reaction products is provided. The process comprises passing liquid reactants and an inert stripping gaseous stream in a reactor column (1) having a plurality of perforated trays (2) ...


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Minhua Zhang, Zongzhang Liu, Shenbo Yu, Shenghua Qian, Chuanzhao Li: Dephenolizing process for production of high-quality polycarbonate grade bisphenol A. Tianjin University, China Petro Chemical Corporation, Chilton Alix & Van Kirk, May 13, 1997: US05629457 (5 worldwide citation)

A process for producing high-quality polycarbonate grade bisphenol A directly by removing phenol from the adduct crystal of bisphenol A with phenol via a gas-solid reaction at low temperature comprises directly feeding the adduct crystal into a vacuum or pneumatic dephenolizing device under vacuum a ...


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Minhua Zhang, Zongzhang Liu, Shenbo Yu, Chuanzhao Li, Shenghua Qian: Method for obtaining large crystals with high purity by destructing part of fines in slurry in a crystallizer. China Petro Chemical Corporation, Tianjin University, Chilton Alix & Van Kirk, September 2, 1997: US05663456 (5 worldwide citation)

The present invention provides a method, which can be operated continuously and has a wide scope of application, for destructing part of fines in slurry in a crystallizer to obtain large crystals having high purity and large crystal size, characterized in that first and second filters are installed ...


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Suying Yao, Kaiming Nie, Jiangtao Xu, Jing Gao, Zaifeng Shi, Cen Gao: Digital domain accumulative CMOS-TDI image sensor with low power consumption. Tianjin University, George G Wang, Bei & Ocean, March 10, 2015: US08976278 (2 worldwide citation)

The present invention relates to the field of design of analog digital hybrid integrated circuit. The object of the invention is to reduce ADC conversion rate thus further reducing power consumption of the sensor while not reducing line frequency of the CMOS-TDI. To this end, a digital domain accumu ...


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Tian Huang, Meng Li, Zhanxian Li, Derek G Chetwynd, David J Whitehouse: Planar parallel robot mechanism with two translational degrees of freedom. Tianjin University, Lathrop & Gage L C, August 15, 2006: US07090458 (2 worldwide citation)

A linkage mechanism for a pick and place robot includes two rotatable drive members mounted on a base and connected to a platform by a respective two element linkage. The mid point of the two element linkage has a bell crank, the arms of which are connected to first and second location links anchore ...