Guoguang

Guoguang Fu, Nanjing, Jiangsu CN

Patent application number	Description	Published
20160030883	METHOD AND APPARATUS FOR TREATING ACIDIC TAIL GAS BY USING AMMONIA PROCESS FLUE GAS - A flue gas-treating method for treating acid tail gas by using an ammonia process, comprising the following steps of: 1) controlling the concentration of sulfur dioxide in an acid tail gas entering an absorber to be ≦30,000 mg/Nm	02-04-2016

Guoguang Fu, Nanjing CN

Patent application number	Description	Published
20150352486	FLUE GAS-TREATING METHOD AND APPARATUS FOR TREATING ACIDIC TAIL GAS BY USING AMMONIA PROCESS - A flue gas-treating method for treating acid tail gas by using an ammonia process, comprising the following steps of: 1) controlling the concentration of sulfur dioxide in an acid tail gas entering an absorber to be ≦30,000 mg/Nm	12-10-2015
20150352489	EFFECTIVE REMOVAL OF ACIDIC SULFIDE GAS USING AMMONIA-BASED DESULFURIZATION - A method for effectively removing acidic sulfide gas using ammonia-based desulfurization includes the following steps of: 1) pre-treatment, wherein sulfide in acid gas undergoes through pre-treatment methods of sulfur recovery, acid making or/and incineration to convert remaining sulfur in the acid gas into sulfur oxides, and the acid tail gas with sulfur oxides is obtained; and the acid gas is derived from petrochemical industry, natural gas chemical industry, coal chemical industry, etc.; 2) ammonia absorption of sulfur oxides, wherein the acid tail gas with sulfur oxides is allowed to flow into an ammonia absorption apparatus, and a cyclic absorption solution is used to absorb sulfur oxides; and 3) post-treatment of ammonium sulfate, wherein a saturated or nearly saturated absorption solution undergoes concentration, crystallization, solid-liquid separation, and drying to obtain a solid product of ammonium sulfate. Sulfur oxides (including sulfur dioxide, sulfur trioxide and hydrates thereof) in the acid tail gas are removed and sulfuric acid, sulfur and ammonium sulfate are byproduced, and the cleaned gas is discharged upon meeting the emission standard.	12-10-2015

Guoguang Li, San Jose, CA US

Patent application number	Description	Published
20150323313	STRESS ANALYSIS OF SEMICONDUCTOR WAFERS - According to an aspect of an embodiment, a method may include measuring, based on interferometry, a film thickness of a surface film of a semiconductor wafer at a plurality of locations that are along a scanline of the wafer. The method may also include measuring, based on interferometry, a substrate thickness of a substrate of the semiconductor wafer at the plurality of locations. Moreover, the method may include measuring, based on an optical measurement technique, a curvature of the semiconductor wafer along the scanline. In addition, the method may include determining a stress of the surface film along the scanline based on the measured film thickness at the plurality of locations, based on the measured substrate thickness at the plurality of locations, and based on the measured curvature along the scanline.	11-12-2015

Guoguang Li, Beijing CN

Patent application number	Description	Published
20130070234	BROADBAND POLARIZATION SPECTROMETER WITH INCLINED INCIDENCE AND OPTICAL MEASUREMENT SYTEM - An oblique incidence broadband spectroscopic polarimeter which is easy to adjust the focus, achromatic, maintains the polarization and has simple structure is provided. It comprise at least one polarizer (P, A), at least one curved reflector element (OAP	03-21-2013
20140354991	NORMAL-INCIDENCE BROADBAND SPECTROSCOPIC POLARIMETER CONTAINING REFERENCE BEAM AND OPTICAL MEASUREMENT SYSTEM - Disclosed is a normal-incidence broadband spectroscopic polarimeter containing reference beam, comprising a light source, a first reflecting unit, a first concentrating unit, a second concentrating unit, a polarizer, a first curved mirror, a first planar mirror, a second reflecting unit and a probing unit. Also disclosed is an optical measurement system, comprising the normal-incidence broadband spectroscopic polarimeter containing reference beam. The normal-incidence broadband spectroscopic polarimeter containing reference beam achieves an integral combination of the light beams after splitting, can maintain the polarization state of the light beams while increasing the light transmission efficiency, and has a low complexity.	12-04-2014

Guoguang Liu, Edmonton CA

Patent application number	Description	Published
20130274494	POLYOL SYNTHESIS FROM FATTY ACIDS AND OILS - A method for preparing polyols from fatty acid substrates such as free fatty acids, alkyl esters of fatty acids, mono-glycerides, diglycerides, and triglycerides. The method comprises the steps of (a) epoxidizing an unsaturated fatty acid substrate and (b) hydroxylating the epoxidized fatty acid substrate with at least one diol to produce a polyol or a blend of polyols. The method may be varied to produce polyols with desired functionality, molecular weights, or viscosity.	10-17-2013

Guoguang Wang, Dongyang City CN

Patent application number	Description	Published
20100167127	LITHIUM IRON PHOSPHATE BATTERY ELECTRODE AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to an electrode for the lithium iron phosphate battery and the manufacturing method thereof, and more particularly, to a coated electrode for the lithium iron phosphate with a smooth surface and without de-powder phenomenon and the manufacturing method thereof. The electrode provided in the present invention uses an arabic gum modified by adding silicone-based gel into the arabic gum. The lithium iron phosphate active material and the conductive agent in a certain ratio are added into the aforesaid modified arabic gums, after the mixing process, a liquid slurry with a certain viscosity is formed. Then, the liquid slurry is coated uniformly onto a positive current collector of aluminum foil or mesh, and followed by the process like drying, calendaring, cutting and etc. to form positive electrode plate. The electrode in the present invention has the characteristics of smooth surface and no de-powder phenomenon. The difficult-to-coat problem in manufacturing lithium ion battery electrode with lithium iron phosphate in the prior art is overcome.	07-01-2010
20100171071	LITHIUM IRON PHOSPHATE HAVING OXYGEN VACANCY AND DOPED IN THE POSITION OF FE AND METHOD OF QUICK SOLID PHASE SINTERING FOR THE SAME - The present invention relates to a lithium ion cathode material lithium iron phosphate having oxygen vacancy and doped in the position of Fe and a preparation method of quick micro-wave sintering for the same. The molecular formula of the product in present invention is expressed as LiFe	07-08-2010

Guoguang Zhang, Taizhou City CN

Patent application number	Description	Published
20120299488	LED DECORATIVE LIGHT - LED decorative light comprising DC power supply, main controller, and LED light chains; said main controller consists of key switch, crystal oscillating access circuit, and main control chip, with said key switch and crystal oscillating access circuit connected to said main control chip respectively; said main control chip pulse width modulation end outputs variable duty ratio PWM; said crystal oscillating circuit is used to provide instruction cycle required for main control chip; and said key switch is used to control operating state of main control chip; wherein said main controller also includes a voltage adjustment circuit, used to adjust DC power supply voltage to the value required for LED light chains, with input end of this circuit connected to said DC power supply, its control end connected to pulse width modulation end of said main control chip, and its output end connected to LED light chain input end.	11-29-2012