35results about How to "Efficient technical means" patented technology

The invention discloses a nanometer level polishing solution and a preparation method thereof. The polishing solution is prepared from the following components in percentage by mass: 0.1 to 10 percent of monocrystal artificial diamond micro powder, 0.1 to 5 percent of aluminum oxide micro powder, 0.1 to 10 percent of silica gel, 0.3 to 10 percent of surfactant, 0.05 to 4 percent of dispersing agent, 0.5 to 1 percent of lubricant, 0.01 to 1 percent of chemical PH value regulator and 60 to 98.2 percent of solvent. The invention also discloses the preparation method for the nanometer level polishing solution. By the method, mixed serous fluid is prepared from the nanometer level diamond, the aluminum oxide and the silica gel, so an ideal polishing effect is achieved, the requirement of a process for thinning and grinding substrates (silicon carbide and sapphire) for GaN extension is met, and a technical means is provided for a polishing process for semiconductors.

The invention relates to a method for finding network contents being quoted automatically which comprises steps of: introducing pre-searching process for accelerating automatic found process, employing the indexing service provided by searching engine website to eliminate web page grabs and establishing content index. The invention has the advantages of having low requirement on hardware and of being abet to protect intelligent property of network contents.

The invention relates to a method for tapping the potential in the late stage of an oil field, analyzing the remaining oil distribution of each oil sand body, quantifying the remaining resource amount of each oil sand body, and proposing the production status of oil-water wells in complex fault block fluvial facies reservoirs in the direction of potential tapping. Sub-analysis system, this system includes data inspection device, data preprocessing device, KH value splitting device, oil well water absorption pretreatment device, water absorption profile splitting device, dynamic personnel subjective analysis splitting device, small layer weighted splitting result device 1. Single sand body splitting result summary device and database, assign the weight of production splitting according to water injection effect, formation coefficient (KH) and reservoir analysis of dynamic personnel; determine layered production fluid volume according to water absorption profile monitored by water injection well; The fluid production profile of the oil well is used to determine the water cut of the layer, and the dynamic and static multi-information is used to split the production status. The entire calculation process is computerized, fast and accurate.

The invention relates to an ore-slurry multi-potential detector which is characterized by comprising an internal fixed tube of a detection electrode, an electrode base, a detection electrode, a fixed tube of a detection electrode reviving device and an electrode reviving device, wherein the electrode base is fixed in the lower part of the internal fixed tube of the detection electrode and the outside diameter of the electrode base is matched with the internal wall of the internal fixed tube of the detection electrode; the detection electrode is clamped in a clamping hole of the electrode base, and the detection wire of the detection electrode is led out by the internal fixed tube of the detection electrode; the fixed tube of the detection electrode reviving device is fixed above an ore-slurry tank by a fixed rotary device and coaxially sleeved outside the internal fixed tube of the detection electrode; a scraping cutter of the electrode reviving device rotates with the fixed tube of the detection electrode reviving device, and the upper end of the electrode reviving device is provided with a gap consistent to the shape of the detection head of the detection electrode. The invention can run by the real-time, synchronous, uniform and continuous dirtied-reviving functional states of single-point type abnormal-shape multiple electrodes, realizes the online detection of multiple-electrode potential and provides a technical means for the control floatation of electric chemistry and the similar online detection of the abnormal-shape multiple-electrode potential in high flowing speed, high specific weight and multi-phase complex media.