102results about How to "Keep it smooth" patented technology

The invention discloses a fast image splicing method based on an improved SURF algorithm. An existing corner extraction method and an existing corner feature description method are improved, mismatching of extracted corners is eliminated, and multiple images can be spliced fast. At first, an improved FAST algorithm is adopted for increasing the extracted corners, the operation speed of the FAST algorithm for extracting the corners is high, and after the improvement is carried out, the stability is good; secondly, the combination of SURF description and LBP description is adopted for describing the corner feature, and in this way, the speed for matching the corners can also be increased; then an RANSAC method is adopted for eliminating mismatching, accuracy is improved, and a more accurate transformation matrix is obtained, so that fast splicing is carried out; finally, according to obtained matching point pairs, parameters for transforming images to be spliced into reference images are calculated, and a slow-in and slow-out method is adopted for finishing image splicing.

The present invention is a system or method that facilitates smart decision makings at the client side for adaptive video streaming over a video delivery network by making use of perceptual video quality-of-experience predictions performed during the video preparation stage, at the video hosting or cache server side, or inside the video delivery network, and then transmitted to the client. Compared with prior art approaches of adaptive bitrate video streaming, the present invention can result in one or more of the following benefits: 1) save the overall bandwidth for the delivery of the video content without scarifying the client users' quality-of-experience; 2) create better overall visual quality-of-experience of the client users; 3) create smoother visual quality-of-experience of the client users; and 4) reduce the probability of rebuffering or stalling events at the client user side.

A plasma etch process for forming a high aspect ratio contact opening through a silicon oxide layer is disclosed. The silicon oxide layer is plasma etched using etch gases that include at least one organic fluorocarbon gas. At least one etch gas is used that includes one or more nitrogen-comprising gases to deposit a surface polymeric material during the etching for maintaining a masking layer over the silicon oxide layer. The method of the invention achieves a complete and anistropic etching of a contact opening having a high aspect ratio and the desired dimensions.

The invention discloses a preparation method of block water soluble silicone oil of textile softening finishing agent. The prior modified amino water soluble silicone oil has good stability, but enables the hand touch of the processed textile to be greatly reduced because an entrained hydrophilic chain link is still on a lateral chain of polymer. The preparation method comprises four steps: the amidation of amino coupling agent, the preparation of hydrogen terminated methylsiloxane midbody, the preparation of polysiloxane-polyether linear block polymer, and the ammonolysis of block polymer. The block water soluble silicone oil prepared by the invention has the advantages of high concentration and stability, smoothness, and the like.

An ink-jet head includes a passage unit including a plurality of pressure chambers each connected with a nozzle and arranged in a matrix in a plane to form a plurality of pressure chamber rows in a first direction in the plane, and a plurality of common ink passages each extending along the first direction and communicating with the pressure chambers.

A robotic vacuum cleaner is disclosed in the present invention, which comprises a controller, at least a driving wheel module, and a dust-collecting module. The controller is disposed on a housing plate. The driving wheel module, electrically connecting to the controller, further includes: a driver; a wheel connecting to the output shaft of the driver; a linkage rod, having two ends pivotally fixed on the housing plate and the driver respectively; and a resilience element, having two ends pivotally connected to the housing plate and the driver respectively. The dust-collecting module, disposed on the housing plate, is capable of vacuuming for filtering and collecting dust.

The invention relates to a formula and a preparation method of a liquid dressing capable of stopping pain and bleeding, resisting bacteria and promoting wound healing. According to the liquid dressing disclosed by the invention, an auxiliary material of the liquid dressing takes water as a solvent, and natural tea plant essential oil, allantoin, alginate, hyaluronate, gelatin, polyethylene glycol, glycerol and vitamin E as main effective components. The liquid dressing has obvious inhibitory activity to growth of various pathogens, has the killing rate of 99 percent to staphylococcus aureus, escherichia coli and candida albicans, is non-irritant to skins and mucosa, has both the effect of stopping pain and bleeding, is suitable for treating wound infection of the skins and the mucosa and is also capable of promoting wound healing.

The present invention relates to an exhaust device for adjusting an exhaust gas cross sectional area of an exhaust passage in a combustion engine. The exhaust device includes a valve body arranged in the exhaust passage communicating to an exhaust port of the combustion engine; a valve shaft fixed or integrally formed to the valve body and arranged so as to transverse the exhaust passage, the valve shaft changing the opening of the valve body by turning with the valve body about an axis of the valve shaft; a pair of bearing members for supporting rotatably the valve shaft at both ends thereof in a axial direction of the valve shaft; and a stopper arranged on the valve shaft so as to face an end face on the inward side of the exhaust passage of each bearing member in the axial direction. The stopper is restricted in the axial direction by the end face of each of the bearing members so that the valve body and the valve shaft do not move in the axial direction.

This invention relates to a novel method for the preparation of polyurethane foam materials suited for seamless breast pads, cups, fronts and the like for use in brassieres and other garments. Polyurethane foam is produced from aliphatic isocyanates and polyols. The aliphatic polyurethane foam is reticulated to remove all celled membranes and sliced into sheet with a thickness greater than the thicker wall of the finished brassiere cup. The sliced aliphatic polyurethane foam sheet is then pressed between mold parts of a female mold part and a male mold part. The mold parts are closed and pressed whereby the aliphatic polyurethane foam material is molded into the exact shape of the mold cavity. The molded aliphatic polyurethane foam material can be used as seamless breast pads, cups, fronts and the like in brassieres and other garments and expresses superior non-yellowing properties over previous aromatic polyurethane brassiere pads and improved breathability and porosity.

In an exemplary embodiment, a sliding component includes an annular stationary side seal ring 5 fixed to the stationary side and an annular rotating side seal ring 3 to be rotated together with a rotating shaft, in which by relatively rotating opposing sealing faces S of the stationary side seal ring 5 and the rotating side seal ring 3, a silicate-containing sealed fluid present on one side in the radial direction of the relatively rotating sealing faces S is sealed, wherein an amorphous carbon film 8 formed by using a hydrocarbon gas containing no silicon compound is provided on at least any one of the sealing faces S of the stationary side seal ring 5 and the rotating side seal ring 3, and content of silicon of the amorphous carbon film 8 is 1.5 at % or less.

The present invention relates to a skin regenerating repair and anti-aging mask for electromagnetic radiation and fog-haze pollution, and a preparation method thereof, and belongs to the field of skin care products. According to the present invention, the mask cloth is formed by weaving charcoal fibers and plant wood pulp, and the mask solution essence comprises the following raw materials 8-20% of a ganoderma lucidum extract, 4-10% of a human placenta extract, 1-3% of acetyl hexapeptide-2, 1-3% of a silphium perfoliatum extract SOD, 1-3% of tocopherol, 1-3% of tranexamic acid, 3-5% of a snail mucilage extract, 0.05-2% of a hamamelis virginiana extract, 0.3% of epidermis cell growth factor (EGF), 0.05-3% of sodium hyaluronate, 0.3% of alpha-arbutin, 0.01% of EDTA tetrasodium, 0.2% of triethanolamine, 11% of butanediol, and the balance of deionized water. According to the present invention, the mask has effects of deep absorption and removal of all dirt on skin, oxygen free radical scavenging, resistance of harm of electromagnetic radiation and fog-haze pollution on skin, moist, silky, delicate, uniform and clean skin state achieving, and young state achieving.

An axial flow turbine diaphragm is constructed without welding or other metal fusion or melting techniques. Static blade units are attached to inner and outer diaphragm rings by radially inner platform portions that engage the radially inner ring, and radially outer platform portion s that engage the radially outer ring, the inner platform portions being elongate in the circumferential direction of the turbine diaphragm and the outer platform portions being elongate in a direction compatible with the stagger angle of the aerofoils. The outer circumference of the radially inner ring has a blade unit retaining feature of complementary shape and orientation to the inner platform portions of the static blade units, and the inner circumference of the radially outer ring is provided with a plurality of blade unit retaining features of complementary shape and orientation to corresponding outer platform portions of the static blade units.

The invention discloses a high-moisture facial mask based on cellulose fibers and a preparation method of the high-moisture facial mask. The moisturizing facial mask comprises a modified facial mask base cloth and a facial mask base solution, and the facial mask base solution comprises the following raw materials in parts by weight: 8 to 10 parts of sodium hyaluronate, 8 to 12 parts of carbomer, 6to 8 parts of antibacterial peptide, 3 to 4 parts of N,N-dicyclohexylcarbodiimide, 10 to 15 parts of triethanolamine, 8 to 10 parts of glycerinum, 3 to 5 parts of collagen, 4 to 7 parts of sodium methylparaben and 6 to 8 parts of a traditional Chinese medicine additive, w herein the modified facial mask base cloth is prepared by treating a facial mask base cloth with isopropanol, sodium hydroxide, tetramethylammonium hydroxide, epoxypropane and glucose oxidase. The process design is reasonable, the component ratio is suitable, the prepared moisturizing facial mask has excellent effects of water supplementing, moisturizing and skin moisturizing, further has an excellent antibacterial effect, can inhibit the microbial growth on skin surfaces and avoid acne occurrence, and has better practicality.

The invention discloses a PCB two-phase tin stripping method. In the first phase of tin stripping, a SnCl4-HCl system is adopted; and in the second phase, a HNO3-Fe(NO3)3 system is adopted. A specificquantity of tin on the surface of a tin plated board is stripped by first-phase tin stripping treatment; and then, through second-phase tin stripping, the remained tin on the surface of the PCB is stripped to obtain a bright copper plate. After first-phase tin stripping, liquid is pumped in a diaphragm electrolysis system for diaphragm electrodeposition to extract tin and to regenerate a tin stripping agent. Through two-phase tin stripping, the tin stripping speed of the PCB can be guaranteed, tin in the liquid after first-phase tin stripping can be recovered online, and meanwhile, the SnCl4-HCl tin stripping agent can be regenerated. Through second-phase tin stripping by the HNO3-Fe(NO3)3 system, the remained tin on the surface of the PCB can be totally stripped, and the smoothness of the copper substrate can be maintained. The method can effectively solve the problems of high tin stripping waste water quantity and difficult resourceful recycling in a traditional nitric acid system.

A technology for eliminating the wall flow of hydrogenating reactor to increase the output rate of reaction and its equipment are disclosed. A conic baffle disc whose diameter is the 3-7% of the internal diameter of reactor is installed above the catalyst bed in reactor in coaxial mode. The conic ring disc is fixed to the baffle cylinder by the connecting plate of fix regulating mechanism. Said baffle cylinder is fixed to inner wall of reactor. A sealing structure is arranged to external surface of said baffle cylinder.

An object of the invention is to provide an electrophotographic photoreceptor using a non-contact type charging process excellent in wear resistance life and not causing injury and unevenness in density to the images to be formed for a long time by defining physical properties of the surface. In the electrophotographic photoreceptor using a non-contact type charging process, a creep value C_Iτ is 2.70% or more, preferably 3.00% or more and the Vickers hardness (HV) at the surface is 20 or more and 25 or less in a case where a maximum indenting load of 30 mN is loaded to the surface under a circumstance at a temperature of 25° C. and at a relative humidity of 50%. Since such an electrophotographic photoreceptor (1) is excellent in flexibility and has plasticity not too soft nor exhibiting fragility, the amount of film reduction due to wear is decreased during long time use, excellent surface smoothness is ensured and there is no occurrence of injury or unevenness in density to the formed images.