Tag Archives: depth

Water quality depth treatment process

Application Number: 00115333Application Date: 2000.04.03Publication Number: 1266026Publication Date: 2000.09.13Priority Information: International: C02F9/04Applicant(s) Name: Hengtong Water Treatment Engineering Co., Ltd. ShanghaiAddress: Inventor(s) Name: Chen WeiPatent Agency Code: 31107Patent Agent: feng hechunAbstract A processing method for natural clean drinking water includes the following steps: the raw water undergoes the process of ozone sterilization, microfiltration, and carbon filtration,… Read More »

Method for measuring and evaluating depth of road surface construction by digital image technology

Application Number: 00117594Application Date: 2000.11.03Publication Number: 1290851Publication Date: 2001.04.11Priority Information: International: G01C11/28Applicant(s) Name: South-China Science and Engineering Univ.Address: Inventor(s) Name: Wang Ruiyi;Zhang XiaoningPatent Agency Code: 44201Patent Agent: luo guanxiangAbstract Road surface images are first picked up with camera and then used to find out the pixel values. The image processing software of the present invention… Read More »

Instantaneous job system and method for measuring water depth

Application Number: 00123442Application Date: 2000.08.16Publication Number: 1338611Publication Date: 2002.03.06Priority Information: International: G01C13/00Applicant(s) Name: Ziqiang Engineering Consultant Co LtdAddress: Inventor(s) Name: Lai Chengpiao;Liu YuruPatent Agency Code: 11021Patent Agent: tang baobengAbstract An instantaneous job system and method for measuring water depth is disclosed, which can judge of a ship is deviated from its shipping line. In said… Read More »

Simple method and device for measuring field depth

Application Number: 00123510Application Date: 2000.08.15Publication Number: 1338616Publication Date: 2002.03.06Priority Information: International: G01D21/00Applicant(s) Name: Lijie Computer Co LtdAddress: Inventor(s) Name: Qiu ChuiguiPatent Agency Code: 11127Patent Agent: liu shichangAbstract A simple method and device for measuring field depth is disclosed. A particular test pattern is arranged on an inclined surface by a height defined by the test… Read More »

Fast precise depth sampling machine

Application Number: 00126605Application Date: 2000.09.26Publication Number: 1287270Publication Date: 2001.03.14Priority Information: International: G01N1/08Applicant(s) Name: Yan GuojunAddress: Inventor(s) Name: Yan GuojunPatent Agency Code: 43008Patent Agent: zhao hongAbstract The sampling machine includes an overhead crane frame, a sampling head and a sampling head driver. The sampling head consists of a conic crushing head, a spiral cutting hoister, and… Read More »

Propile control agent with delayed cross-linking depth

Application Number: 00103532Application Date: 2000.03.24Publication Number: 1278546Publication Date: 2001.01.03Priority Information: International: C09K7/00Applicant(s) Name: Inst. of Oil Exploitation Technology, Daqing Oil Field Co., Ltd.Address: Inventor(s) Name: Li Jiange;Chen Fang;Bi YongPatent Agency Code: 11013Patent Agent: liu tianyuAbstract The formula of delayed cross-linking depth profile control agent comprises anionic polyacrylamide whose molecule weight is greater than ten million… Read More »

Flowable depth profile control agent

Application Number: 00103531Application Date: 2000.03.24Publication Number: 1278545Publication Date: 2001.01.03Priority Information: International: C09K7/00Applicant(s) Name: Inst. of Oil Exploitation Technology, Daqing Oil Field Co., Ltd.Address: Inventor(s) Name: Zhou Wanfu;Kang Yan;Li JiangePatent Agency Code: 11013Patent Agent: liu tianyuAbstract The formula of mobile depth profile control agent comprises anionic partially hydrolyzed polyacrylamide, aluminium citrate and triourea, and their weight… Read More »

High-accuracy portable sea-base laser depth determining method and equipment

Application Number: 00101353Application Date: 2000.01.27Publication Number: 1307228Publication Date: 2001.08.08Priority Information: International: G01C3/10Applicant(s) Name: Changchun Inst. of Optics &. Fine Machines, Chinese Academy of SciencesAddress: Inventor(s) Name: Wang Xijun;Caoi JianlinPatent Agency Code: 22001Patent Agent: liang airongAbstract In the depth measuring method, laser incidence angle is fixed on the surface of dynamic sea water to produce control… Read More »