54 results about "Length weight" patented technology

A multi-ply flushable wipe includes a ply having first and second exterior layers and a middle layer disposed therebetween. Each of the exterior layers includes at least 50% by weight natural fibers. When foam-formed, the middle layer includes at least 25% by weight natural fibers. In embodiments, the middle layer may include at least 75% by weight natural fibers. The middle layer also includes synthetic fibers that have a length within the range of 1 mm and 20 mm. The wipe may have a length weight weighted average fiber length of less than 4 mm and a wet CD strength of greater than 20 N/m. Each ply of the wipe may be formed by wetlaying the first and second exterior layers and a foam formed middle layer to form a web, imprinting the web with a structured fabric, and drying the web. The plies are then attached using a binder.

The invention relates to a composition comprising cellulosic fibres having an average degree of substitution of anionic groups of from 0.001 to 0.25, and DEG a length weighted mean fibre length up to 1,100 [mu]m and a length weighted mean fibre width over 10 [mu]m, or DEG a length weighted mean fibre length up to 1,100 [mu]m, and wherein at least 50 % by weight of the cellulosic material is insoluble in water, or DEG a length weighted mean fibre length / width ratio up to 30, or DEG a length weighted mean fibre width over 35 [mu]m. The invention also relates to a composition comprising cellulosic fibres having a specific surface area of at least 1.5 m2/g, a length weighted mean fibre length / width ratio up to 30, and a dry solids content of at least 5 % by weight, based on the weight of the composition, or up to 30 % by weight, based on the total weight of the cellulosic fibres, of cellulosic fibres with a length weighted mean fibre length up to 100 [mu]m. Method of producing a composition comprising cellulosic fibres which comprises subjecting cellulosic fibres to chemical treatment and mechanical treatment, wherein the chemical treatment comprises treating cellulosic fibres with (i) at least one agent containing a carboxyl group, optionally substituted, (ii) at least one oxidant and at least one transition metal, or (iii) at least one nitroxyl radical, and the mechanical treatment comprises subjecting cellulosic fibres to extrusion with a twin-screw extruder or a planetary roller extruder. The invention also relates to a method of producing a composition comprising cellulosic fibres which comprises subjecting cellulosic fibres having an average degree of substitution of anionic groups of from 0.001 to 0.25 to extrusion. The invention also relates to a composition comprising cellulosic fibres obtainable by the methods, a process for producing a cellulosic pulp mixture which comprises mixing the composition with cellulosic pulp, a cellulosic pulp mixture obtainable by the process, and the use of the composition and cellulosic pulp mixture as an additive in the production of paper and board, processes for producing paper and board in which the composition or cellulosic pulp mixture is used, paper and board obtainable by the processes, and various uses of the paper and board.

The invention discloses a fingerprint identification method by using the joint of lines and points, which relates to a fingerprint identification method by using the joint of lines and points so as to solve the problems that the existing fingerprint identification method using dot matching easily leads to wrong identification, is greatly affected by fake characteristic points and has relatively poor noise immunity, and the fingerprint identification method using line matching has relatively large calculation work and low identification speed. All matching points in a database image Tp and an image Tq to be identified are selected; sorting is carried out to a plurality of obtained matched points according to matching similarity, and N pairs of matching points with the highest matching similarity are selected; K pairs of matched points are selected from the N pairs of matched points to serve as reference points; the difference between the X-axis and Y-axis and a direction angle is obtained to serve as the offset of two images; translation and rotation transformation are carried out to the image Tq; after correction, the ridge lines of the image Tq and the image Tp mutually match; the matched number is recorded; if the length weighted average value of all matched ridge lines meets a threshold value, the image Tp is identified to match with the image Tq; otherwise, the image Tp is identified not to match with the image Tq.

This invention relates to a honeycomb core made from paper comprising 20-85 weight percent of carbon fiber floc. The carbon fibers have a non-round cross sectional aspect ratio of at least 1.5:1. The paper has a fiber volume fraction of at least 35%. The arithmetic mean length of the carbon fibers is at least 0.5 mm. and a length weighted mean length of at least 0.9 mm.

The invention discloses a navigation path planning method, relating to a method for path navigation equipment to plan a navigation path and navigate. The method can be used to learn the driving custom of a user. The navigation equipment is stored with an electronic map of each road section length weight coefficient and plans the navigation path according to a shortest path rule. The equipment plans a path P0 from a starting point S to an end point E according to each road section length weight coefficient; a user drives according to the path P0 prompted and output by the equipment; the equipment detects whether the user deviates from the path P0 according to real-time GPS data; and if so, the GPS information of a deviating point is stored, a path P1 is planned from the deviating point to the starting point S, a path P2 is planned from the deviating point to the end point E, the misaligned road sections of the source path P0, the path P1 and the path P2 are found, and a coefficient which is less than 1 is used for correcting the length weight coefficient of each misaligned road section, and the corrected length weight coefficient is stored; and the equipment replans the path P0 from the starting point S to the end point E and prompts the users to drive according to the new path P0.

The invention relates to a carbon fiber-resin composite core for overhead cables, which consists of a carbon fiber-resin composite core layer and a protective layer wound on the core layer, wherein the protective layer is a fibrofelt and/or fiber fabric-reinforced resin material layer. Compared with the prior art, the carbon fiber-resin composite core for the overhead cables has the advantages of reducing the unit length weight of a product and improving flattening resistance.

The invention discloses a system and a method for automatically predicting hot videos. The system comprises a video database, a counting module, a generation module and a calculation module, wherein the counting module is used for calculating a total counting amount of each candidate hot video in a candidate hot video list, and counting a new counting amount of each video within a preset time section T; the generation module is used for checking the video database, acquiring videos meeting preset candidate conditions, and generating the candidate hot video list; the calculating module is used for calculating the time length weight, the uploading time weight, the counting amount weight and the CMS weight of each candidate hot video in the candidate hot video list, counting the sum of the weights of each candidate hot video, and arranging and outputting candidate hot videos according to the sum of the weights. By adopting the system and the method, after the weights of candidate hot videos acquired by a hot video recommendation module are calculated, a list of recent hot videos can be generated according to calculation results, and the list can be recommended to a terminal user to use.

The invention relates to a method for predicting paper tensile strength based on mechanical pulp fiber properties and belongs to the technical field of pulping and papermaking. On the basis of a classic page model, the water retention value WRV of pulp is used for replacing the fiber relative bonded area RBA which is hard to test, and a mathematical model suitable for evaluating the relation between the mechanical pulp fiber properties and the paper tensile strength is established. Specifically, mechanical pulp fibers are used as samples, and mechanical pulp plates made of different varieties of trees (polar and maple) are subjected to defibering and PFI pulping; assuming that the model contains the paper tensile index T, the fiber length weighted lw, the fiber curling index, the shear bond strength b between the fibers and the water retention value WRV of the pulp, the expression of a paper tensile strength model is shown in the description, wherein a is constant. The method is completely based on the morphological parameters of the mechanical pulp fibers, and efficient prediction of the paper tensile strength can be realized by testing the fiber morphological parameters.

A one-port surface acoustic wave resonator includes a rotated Y-cut LiTaO₃ substrate, an interdigital electrode transducer disposed on the LiTaO₃ substrate, and reflectors disposed on both sides of the interdigital electrode transducer in the surface acoustic wave propagation direction of the interdigital electrode transducer. When the electrode finger width of the interdigital electrode transducer is denoted by a and the gap between the electrode fingers is denoted by b, the metallization ratio, a/(a+b), is in the range of about 0.55 to about 0.85 and the interdigital electrode transducer is overlapping-length weighted.

The invention relates to a weighing method for determining the liquid level in the wellbore of a gas well, which is applied to the technical field of gas production in oil fields. Firstly, the length l of a tubing string going down into the gas well, the average unit length weight Gamma of the tubing string, the outer diameter do of the tubing, the inner diameter di of the tubing and the density Rho of accumulated liquid are acquired; secondly, the weighing method is utilized to weigh the weight W1 of the tubing string in the liquid at the wellhead; finally, the length l of the tubing string, the average unit length weight Gamma of the tubing string, the outer diameter do of the tubing, the inner diameter di of the tubing, the density Rho of the accumulated liquid and the weight W1 of the tubing string in the liquid are put into a formula; and after calculation, the distance h between the level of the accumulated liquid in the gas well and the wellhead is obtained. The invention is characterized in that the liquid level in the wellbore can be determined as long as the weight of the tubing string is measured at the wellhead of the gas well. Since only the weight of the tubing string in the liquid is measured at the wellhead and a testing instrument does not need to be put down into the well bottom, compared with the prior art, the method has the advantages of easy testing and more accurate result.

The present invention relates to a method of making a fiber-reinforced cementitious composite material which finds widespread applicability in a variety of construction and related applications. The composite comprises cellulosic fibrous material in order to provide the composite with the desired performance characteristics. Notably, at least a portion of the cellulosic fibrous material comprises surfaced enhanced pulp fiber, which desirably enhances the processing characteristics of the material, as well enhancing the characteristics of the finished composite product. The method of making a fiber-reinforced cementitious composite comprising the steps of providing a cementitious composition, and providing cellulosic fibrous material. The present method further includes blending the cementitious composition and the cellulosic fibrous material to form the cementitious composite. The surface enhanced pulp fiber preferably comprises approximately 1-10%, by weight, of the cellulosic fibrous material, and the cellulosic fibrous material exhibits an enhanced Bauer-McNett long fiber fraction. The cellulosic fibrous material preferably exhibits at least a 10% increase in length-weighted average fiber length (LWAFL), in comparison to a cellulosic fibrous material which is devoid of surface enhanced pulp fiber. The cellulosic fibrous material requires relatively reduced refining energy, in comparison to a cellulosic fibrous material which is devoid of surface enhanced pulp fiber, to reach a predetermined freeness CSF (Canadian Standard Freeness) value.

The invention relates to a cellulosic composition comprising fibres having a length weighted average fibre length ("LWAFL") of 0.25 to 0.40mm.

The invention discloses a customer loyalty processing method and device. A WiFi probe obtains shop entering frequency, shop entering time and shop entering time length corresponding to each shop entering time of a customer; a staying time length weight ft is obtained according to the shop entering time length corresponding to each shop entering time; a visit date is determined according to the shop entering time, and a visit interval weight fd is determined; a visit frequency weight fn is determined according to the shop entering frequency; and a customer loyalty w is determined according to the staying time length weight ft, the visit interval weight fd and the visit frequency weight fn. Thus, the customer loyalty is determined, the loyalty can be determined if the customer is not loggedin by a system or is a non-registered member, and the technical problem that only the loyalty of the customer who is registered or logged in by the CRM system can be calculated in the related art is solved.

The invention belongs to the field of biological pulping and provides straw cellulose. The straw cellulose is characterized in that straw stalk fiber cut and separated by enzyme molecules directionally is well preserved, the result that fine fiber is damaged in the traditional chemical pulping is overcome, the length-weight average value is 0.70 to 1.10 mm, and the quality-weight average value is1.10 to 1.40 mm. The invention further provides straw fiber. The straw fiber comprises the fiber structure of the straw cellulose; the quality of the straw stalk fiber is as follows: the brightness (whiteness) is 57 to 75 percent, the hardness is 7 to 26 K, the folding resistance is 30 to 78 times, the tearing index is 3.0 to 5.5 mN.m<2>/g, and the tensile index is 41.0 to 62.0 N.m/g. The invention further provides a process for separating fiber from straws and application of the straw fiber. High-temperature chemical cooking black liquid is not generated in the production process, the fiber quality (length, whiteness, short fiber content and the like) is obviously more excellent than the quality of the traditional chemical pulping, the pulp yield is increased by 25 percent or higher whenbeing compared with that of the traditional chemical pulping rate, and water consumption and energy consumption in the production process are reduced by 30 percent or higher when being compared with those of the traditional chemical pulping.

A surface acoustic wave apparatus has a configuration by which the spurious of the higher-order transverse modes is suppressed and a SAW excitation intensity distribution is not changed in the propagation direction. The surface acoustic wave apparatus has at least one interdigital transducer; a region with the plurality of interleaved comb-shaped electrodes is formed with two regions which are a first overlapping region and a second overlapping region with overlapping-lengths weighted along a propagation direction of a surface acoustic wave; the first overlapping region and the second overlapping region are in contact or overlapped in a direction vertical to the propagation direction of the surface acoustic wave; and in either the first or the second overlapping region, an overlapping-length weighting envelope curve has at least two or more changing points in the propagation direction of the surface acoustic wave.

The invention belongs to the field of bio-pulping, provides wheat straw cellulose, and aims at storing straw fibers which are subjected to directional cutting and separating by enzyme molecules and overcoming the result of damage to fine fibers in traditional chemical pulping. The wheat straw cellulose is 0.80-1.10mm in average length based on length-weight ratio and is 1.20-1.50mm in average length based on mass-weight. The invention also provides wheat straw fibers comprising the fiber structure of the abovementioned wheat straw cellulose. The quality of the wheat straw fibers meets that thebrightness (whiteness) is 53-75%; the hardness is 8-26K; the folding strength is 30-75 times; the tearing index is 3.3-5.5mN.m<2>/g; and the tensile index is 45.0-62.0N.m/g. The invention also provides a wheat straw fiber separating technology and application of the wheat straw fibers. According to the technology, high-temperature chemical boiling black liquid is not produced in the production process; the fiber quality (length, whiteness, short fiber content, etc.) is obviously superior to that of traditional chemical pulping fibers; the pulp yield is increased by more than 25% by being compared with traditional chemical pulping yield; the water consumption and the energy consumption in production are decreased by more than 30% by being compared with those in traditional chemical pulping.

A high-precision automatic control device for the weight per unit length of extruder output. The input end of the controller is connected to the weighing device, and the output end of the controller is connected to the drive motor of the extrusion screw of the extruder or the drive of the traction roller. motor connection. The weighing device includes a raw material hopper, a frame and a weighing hopper. The raw material hopper is installed on the upper end of the frame, and a gate is installed at the outlet of the lower end of the raw material hopper; the weighing hopper is installed under the raw material hopper, and one side of the weighing hopper is connected to the One end of a lever is connected, and the other end of the lever is equipped with a fixed counterweight. The fulcrum of the lever is hinged on the frame, and a lower proximity switch is installed under the fixed counterweight; The movable counterweight is vertically slidably supported on a counterweight bracket, and an upper proximity switch is arranged below the movable counterweight; the gate, the upper proximity switch and the lower proximity switch are connected to the controller respectively. The advantages are: the structure is simplified, the cost is reduced, the control principle is simple, and the control precision is improved.

Provided is a separator for an electrochemical element, the separator having improved tensile strength and short-circuit resistance while maintaining the impedance characteristics and denseness expected of a separator comprising highly beaten regenerated cellulose fibers. The separator for an electrochemical element is interposed between a pair of electrodes and capable of holding an electrolytic solution containing an electrolyte, the separator for an electrochemical element comprising: 20 to 80 mass % of natural cellulose fibers A in which the length weighted average fiber length is 0.30 to 1.19 mm and the CSF is 500 to 50 ml; 10 to 50 mass % of natural cellulose fibers B in which the length weighted average fiber length and the maximum distribution fiber length are 1.20 to 1.99 mm and the CSF is 500 to 50 ml; and 10 to 50 mass % of beaten regenerated cellulose fibers.

Systems and methods are directed to a file storage system that manages configuration information for each cloud gateway's storage device. Systems and methods also manage a configuration parameter; and a file transfer slot number, which represents how many HTTP sessions the cloud gateway can process substantially simultaneously. Based on the configuration information, systems and methods may prioritize the multiple cloud gateways. Systems and methods calculate time lengths weighted by the priorities of the cloud gateways and multiplied by the file-transfer slot number for each cloud gateway in a time period, and then allocate time slots of the cloud gateways in the time period according to the above calculated time lengths. Systems and methods therefore allow for automatically aligning the traffic between cloud gateways and cloud storage according to the configuration of cloud gateways.

The present invention relates to the field of clinical medicine, and in particular to a system, a computer readable storage medium and an apparatus that can be used for two-dimensional planning of high tibial osteotomy. The present invention provides a computer readable storage medium storing a computer program, the computer program is executable to implement method steps, and the method steps comprise: acquiring a lower-limb full-length weight-bearing-position bone fluoroscopic image; acquiring a force line position; acquiring a lateral angle of the distal femur; acquiring a medial angle of the proximal tibia; acquiring an osteotomy angle [theta], and acquiring the position of the postoperative force line and/or the postoperative medial angle of the proximal tibia according to the osteotomy angle [theta]. The method provided by the invention can flexibly select the target position of the postoperative force line according to different lower limb conditions of different patients, so that the planning is more individualized.

The invention discloses a laser-type super-equal-length weight throw core stable force training and information feedback device and relates to super-equal-length weight throw training devices. The invention aims to solve the problems that a device for integrating weight throw final force core stable force training and information feedback into a whole does not exist in the prior art, a training device for integrating weight throw core force training and super-equal-length training into a whole does not exist in the prior art and the training speed during the weight throw final force cannot be measured. According to the technical scheme adopted for solving the technical problems, the device comprises a training handheld weight component, a swing bracket, a motor component, a fitting piece, a fixing plate, a balance training mechanism with an information feedback function, a moving mechanism, a laser speed sensor and a travel switch, wherein the swing bracket comprises an annular plate, a supporting leg and a first spring; the motor component comprises a motor and a cam; and the training handheld weight component comprises a connecting rod, a handle, a fixing block and a weight. The device is used for super-equal-length weight throw training.

There are provided low-substituted hydroxypropyl cellulose (L-HPC) having good compressibility and capping-prevention performance, and others. Specifically, provided are L-HPC having a hydroxypropoxy content of 5 to 16% by weight, a volume fraction of long fibrous particles of 20 to 40% and a volume fraction of short fibrous particles of 26 to 60% with the proviso that the latter is greater than the former; and a solid preparation containing the L-HPC. Also provided is a method for producing the L-HPC including the steps of: bringing powdery pulp having a length-weighted mean width of 10 to 25 μm into contact with an alkali metal hydroxide solution, reacting the alkali cellulose with propylene oxide, and neutralizing the alkali metal hydroxide present in the reaction product with an acid to precipitate crude low-substituted hydroxypropyl cellulose in the absence of a step of dissolving a portion or all of the reaction product.

Fractionated cellulosic fibers having a length weighted average fiber length of at least 2.4 mm and less than 2% by weight of fines. In another embodiment the fractionated cellulosic fibers have a length weighted average fiber length of at least 3.5 mm. In another embodiment the fractionated cellulosic fibers have a length weighted average fiber length in the range of 2.4 mm to 3.8 mm. The fibers may be used in spunlacing or airlacing.