74 results about "Weight decreased" patented technology

A sleep condition measuring apparatus includes a determination unit configured to determine a first timing indicating that the user has fallen asleep and a second timing indicating that the user has waken up, based on body motion of a user, an acquisition unit configured to acquire a first index indicating activity of a sympathetic nerve of the user and a second index indicating activity of a parasympathetic nerve of the user, based on a pulse wave interval of the user, a calculation unit configured to calculate a dominance level of the second index over the first index every predetermined time, and a calculation unit configured to calculate a third index indicating quality of sleep of the user from the first timing until the second timing, using the dominance level and a weight decreasing as time elapses from the first timing.

The invention discloses a fast two-stage filter algorithm applied to a high precision digital weighing sensor, which comprises the following steps of: (1) as required by system, selectively designing two filters and setting a stability threshold and a stability condition; (2) opening a first-stage filter for basic data smoothing and for fast tracking for data variation; (3) opening a second-stage digital filter for further smoothing data when data output of the first-stage filter meets the stability condition; (4) closing the second-stage filter when data output of the first-stage filter does not meet the stability condition in the weight increasing or weight decreasing process of the system; and (5) repeating the steps (3) to (4) until the measurement comes to an end. The fast two-stage filter algorithm of the invention realizes seamless dynamic cascade of the filters at two stages by the method of setting the stability threshold and the stability condition, and compared with the traditional two-stage digital filter cascading algorithm, shortens the time for the reestablishment of the filters in the weight increasing or weight decreasing process of the system.

The present invention provides an object detection method based on an adaptive-parameter-adjustment Gaussian mixture model. The object detection method comprises the steps of: acquiring edge data of an image sequence; establishing an adaptive-parameter-adjustment Gaussian mixture model for an edge detection sequence, wherein modeling is performed for each pixel point of the edge data through adoption of a combination of k Gaussian distributions, for the successfully matched Gaussian distribution, update rate of the weight decreases along with the increase of the number of frames, and update rate of the mean and variance decreases along with the increase of the historical number of matching of Gaussian distributions, for the unsuccessfully matched Gaussian distribution, parameters are kept unchanged; finally detecting the edge of the image sequence by using the established Gaussian mixture model to obtain a foreground object profile, and filling the foreground object profile to obtain an integral foreground moving object. Compared with a traditional object detection method based on a Gaussian mixture model, the object detection method of the present invention has the beneficial effects that the foreground moving object can be detected more accurately when lights change, and computing speed is raised by 28.574%.

The invention belongs to the field of the pharmaceutical detection and discloses a method for detecting a macromolecular substance in a reduning injection. The method for detecting the macromolecular substance in the reduning injection is established by taking thymosin alph1 as a reference and adopting a molecular exclusion chromatography by virtue of the characteristics of a reduning injection producing process. The method comprises the following steps: eluting components in a detected sample according to a molecular weight decreasing sequence, and with a peak appearing earlier than a peak appearance time of a reference substance as the macromolecular substance, and calculating the content of the macromolecular substance by adopting an area normalization method. Through the inspection of repeatability, degree of separation, detection limit, degree of precision, molecular weight logarithm-retention time curve and solution stability, the method for detecting the macromolecular substance in the reduning injection is proved to be simple and convenient to operate, high in sensitivity and good in repeatability, can be used as an quality internal control method of the reduning injection and plays a role in guiding the quality control of traditional Chinese medicine injections.

A media handling system includes a platform, a bin supporting the platform below and for undergoing movement toward and away from a sheet feeding position, a first motion transmitting assembly coupled between the platform and bin and tailored to counterbalance the weight of the platform and any stack such that as the weight decreases the platform is lifted toward the sheet feeding position to maintain the stack top below a lower limit position thereof, a control mechanism to sense the position of the stack top relative to a given range between the lower limit position to an upper home position, and a second motion transmitting assembly drivingly coupled to the platform via the first motion transmitting assembly and responsive to the control mechanism sensing to cause the first motion transmitting assembly to further lift the platform to and maintain the stack top position within the given range.

The invention discloses a structure design method of a carbon fiber composite engine hood. The method comprises the steps of establishing a mathematical model for size optimization of the composite engine hood by taking parameters such as the ply angle, the ply thickness and the thickness of a core material of a carbon fiber composite one-layer ply as the design variables during structure optimization and conducting the calculations: (1) the design target: the objective function for the size optimization design of the composite engine hood is to make the engine hood to be minimum in weight; (2) design variables; (3) design constraints; (4) calculation conditions; and (5) optimizing the analysis result. When compared with that before optimization, the composite engine hood after optimization has a weight decrease of about 16%, and is basically unchanged in various performance parameters, wherein the first-order frequency is increased, the maximum displacements under static conditions are increased, the stiffness is decreased, but all the changes are within the allowable ranges.

The present invention discloses a biosensor and a method using the same to perform a biotest. The biosensor of the present invention integrates a SAW (Surface Acoustic Wave) device and a test polymer to detect an analyte in a liquid specimen. The test polymer reacts with the analyte. After reaction, the substantial weight decrease of the test polymer causes the variation of the SAW characteristics. The attributes and content of the analyte is detected and determined according to the variation of the SAW characteristics.

The present invention provides a perfluoroelastomer seal material in which adhesive strength, contamination, corrosion and color change of a contacted surface with a seal material are improved, and an amount of an uncrosslinked polymer component is at most 1% by weight, measured under specific conditions, and a process for preparing the same. The present invention relates to a perfluoroelastomer seal material, wherein a rate of weight decrease is at most 1% by weight when the seal material is immersed into perfluoro(tri-n-butyl)amine at 60° C. for 70 hours and is dried at 90° C. for 5 hours, 125° C. for 5 hours and 200° C. for 10 hours after taken out of the emersion. And, the present invention also relates to a process for preparing a perfluoroelastomer seal material comprising a step of treating with a solvent having at least 50 % of a swelling rate based on said molded article, when said molded article is immersed at 60° C. for 70 hours.

A perovskite complex oxide is provided whose ratio of thermogravimetric weight decrease between 50 DEG C. and 180 DEG C. to thermogravimetric weight decrease between 50 DEG C. and 1000 DEG C. is not less than 30% and which contains, for example, one or more rare earth element species and one or more transition metal elements. Among perovskite complex oxides represented by structural formula RTO3, ones in which R is constituted by one or more rare earth element species and T is constituted by one or more transition metal elements, and ones in which R is constituted by one or more rare earth element species and one or more members selected from the group comprising alkali metal elements and alkali earth metal elements and T is constituted by one or more transition metal elements are excellent for use. A ''rare earth element species'' is defined as a member of the group of elements obtained by adding Y to the rare earth elements.

In a method for weighing a number of items, such as letters to be franked, on a transport belt that moves over a weighing plate, the base of which is formed by the transport belt, the transport speed of the belt is slowed within a measurement time range, that starts from the beginning of a weighing event on the weighing plate until a stable weight measurement occurs, and is accelerated outside of this measurement time range, after the occurrence of a stable weight value for a current item on the weighing plate, the next-following item is transported onto the weighing plate by the belt, and the weight of the next-following item is determined by the weight increase due to inflow of the next-following item and the weight decrease due to outflow of the current item.

A transfer substrate is provided with a photothermal conversion layer and a transfer layer formed in this order on a base substrate. The transfer layer is formed of an organic material selected from the group including a first organic material, which has a weight decrease initiation temperature (Tsub) of lower than 500° C. and sublimates under atmospheric pressure, and a second organic material, which has a weight decrease initiation temperature (Tsub) of lower than 500° C. and satisfies the following inequality: Tsub−Tm<200° C. (Tsub: the weight decrease initiation temperature of the second organic material, and Tm: a melting point of the second organic material). Also disclosed is a process for fabricating organic electroluminescent devices by using the transfer substrate.

A conductive resin composition produced by melt-kneading a mixture comprising a polyamide (A), a polyphenylene ether (B) (non-terminal-modified polyphenylene ether and / or terminal-modified polyphenylene ether), a rubbery polymer (C), a conductive carbonaceous material (D) (carbon black and / or carbon fibril), and a low molecular weight modifier compound (E) (compatibility agent), wherein the mixture has the following characteristics: (1) the amount of (D) is 0.2 to 3% by weight, based on the total weight of (A) to (E), (2) the amount of (E) is more than 0.01% by weight and less than 0.20% by weight, based on the total weight of (A) to (E), and (3) the amount (a) of a volatile substance contained in (B) satisfies the following formula: 0≦a≦−7.3×E+1.83, wherein E is the % by weight of (E), based on the total weight of (A) to (E), the amount (a) being expressed in terms of a weight decrease (% by weight) of (B) as measured by subjecting (B) to vacuum drying in vacuo at 180 ° C. for 1 hour.

The invention relates to an arc grinding device with a balanced driven disc, comprising a cutter (1), a cutter holder (2), a power head (3), a radial slide block (4), a first gear (5), a first screw rod (6), an upper sliding seat (7), a second gear (8), a lower sliding seat (9), a second screw rod (10), racks (11), a third gear (12) and a workpiece (13). The invention can realize the direct grinding for weight decrease by installing the arc grinding device on a balancing machine, greatly enhances the balancing efficiency and the precision of the balancing machine by changing the traditional manual grinding, and has good product appearance because the appearance is smoothly transited during the grinding; those are not realized by the manual grinding for the weight decrease; and in addition, grinding crumbs are sucked away during mechanical grinding, thereby protecting the operating environment.

A copper-free welding wire for gas shielded arc welding, which has excellent arc stability during semi-automatic welding or automatic welding, thereby ensuring better wire feedability and reducing the amount of welding slag. The wire has a smooth machined surface, and depressions formed in the surface (toward the center of the wire) relative to the machined surface reference, the depressions being distributed on the surface of the wire in a circumferential direction. The ratio of the total length of the processed surface to the reference arc length of the welding wire is in the range of 50-95%. 0.03-0.70 g of surface treatment agent is coated per 1 kg of the welding wire. The surface treatment agent includes at least one of animal oil, vegetable oil, mineral oil, mixed oil and synthetic oil. The wire makes stable contact of the wire with the contact tip so that copper flakes do not accumulate in the wire guide and contact tip during prolonged welding, thus providing good arc stability and enabling stable and Reduce splash.