42 results about "Absorption rate" patented technology

The invention relates to an absorption device with opposite spray liquid inlets and a nitrile manufacturing method. According to the absorption device, the ammonia absorption rate can be maximized, and ammonia penetration is reduced. The absorption device comprises a shell and a plurality of spraying devices which are arranged in a layered mode in the direction of the central axis of the absorption device at preset vertical intervals. Each spraying device independently comprises a spraying liquid inlet, a first spraying pipe in fluid communication with the spraying liquid inlet, and a plurality of second spraying pipes which are in fluid communication with the first spraying pipe and extend towards the two sides of the first spraying pipe in the direction perpendicular to the first spraying pipe. The absorption device comprises a second spraying pipe, a plurality of third spraying pipes which are in fluid communication with the second spraying pipe and extend towards the two sides of the second spraying pipe in the direction perpendicular to the second spraying pipe, and nozzles which are located at the tail ends of the third spraying pipes and are in fluid communication with the third spraying pipes. The projection of one of the plurality of spraying devices and the projection of at least one of the first spraying pipe, the second spraying pipe and the third spraying pipe of the other of the plurality of spraying devices on the cross section basically coincide; and the included angle between the projection of the spraying liquid inlet of one spraying device and the projection of the spraying liquid inlet of the other spraying device on the cross section is 180 degrees.

The present invention relates to the field of sanitary products, and discloses an absorbent core and its application, including a central absorbent area and a peripheral absorbent area, wherein the peripheral absorbent area is arranged around the central absorbent area, the vertical height of the central absorbent area is lower than that of the peripheral absorbent area, and both areas are provided with a plurality of holes in the height direction. The present invention enables the absorbent core of the sanitary napkin to form a concave structure that is flat on the outside and sunken on the inside as a whole, thereby creating a larger volume of menstrual blood storage and absorption space; and the holes in the central absorbent area and the peripheral absorbent area show a change in diameter from the height direction, starting from the actual situation, while increasing the absorption rate and reducing the upward reverse osmosis of menstrual blood, it also ensures the comfort of the user.

The breast pad comprises a body, the body comprises a surface layer, a bottom layer and an absorption core layer clamped between the surface layer and the bottom layer, the surface layer and the bottom layer are combined along the peripheral edge, the absorption core layer comprises an upper absorption layer and a lower absorption layer, and the upper absorption layer and the lower absorption layer are arranged in a stacked mode. The upper absorption layer further comprises a main absorption area, a notch part located on the upper side of the main absorption area and a lower absorption area located on the lower side of the main absorption area, and the lower absorption area and the upper absorption layer further comprise at least one protruding part and an annular groove surrounding the periphery of the protruding part; through the arrangement, the use comfort can be further improved, the probability of layering between the upper absorption layer and the lower absorption layer is reduced, a concave-convex circulation channel is formed in the absorption core layer, the colloid blocking effect is reduced, and therefore the absorption rate is increased, and the absorption effect is improved. In addition, functional parts such as a wool fat layer can be arranged at the corresponding positions of the notch part to achieve multiple functions.

A metal organic framework, comprising: an organic ligand; a structure Sx constituted by one or more of O2-, OH2, OH−, OCH3−, and OC2H5−; and a metal ion, wherein the metal organic framework has a structure SM-x, in the structure SM-x, two or more metal ions are bonded to one oxygen atom in the structure Sx, the number of the metal ions in a unit lattice is two or more, and a water absorption rate A obtained by formula (1) is 25% or more:water⁢ absorption⁢ rate⁢ A=(W1-W2) / W2(1)in the formula, W1 represents a mass of the metal organic framework after being left until an equilibrium moisture content is reached under conditions of a temperature of 25° C. and a relative humidity of 50%, and W2 represents a mass of the organic metal framework after obtaining the mass W1 and being left at a temperature of 200° C. for 1 hour.

The invention belongs to the field of composition accessories of absorption products, and discloses a porous flow guide absorption composite sheet body. Comprising an outer absorption part and an inner reinforced absorption part which are composed of porous absorption layers, the outer absorption part is formed by folding the edges of the two sides of the rectangular, square, quasi-rectangular and quasi-square porous absorption layers inwards, and a folding opening is formed in the center and the adjacent area; the whole inner reinforced absorption part is in a rectangle shape or a rectangle-like shape with the width of 3-5 cm and the length of 6-15 cm, is composed of a porous absorption layer and water absorption covering layers arranged on the two opposite faces of the porous absorption layer, is wrapped in an interlayer formed after the outer absorption part is turned over, and jacks the part of the outer absorption part towards the top face of the outer absorption part. And at least one convex flow guide part is formed on the top surface of the outer absorption part. According to the invention, the self structural characteristics are fully combined, the diversion and diffusion efficiency of menstrual blood is improved by adopting a local thickening bulge mode, the surface moisture degree of the core body is reduced, and the absorption rate of the core body is improved.

The application discloses a kind of FDTD nonlinear conformal filter methods of inhibiting step error of specific absorption rate, comprising: obtaining grid model;Determine the eighth cube in each grid as material domain;The 3x3x3 three-dimensional grid matrix of using preset is scanned to the grid, determine the step grid on the two sides of human tissue / air interface;Optimize the conductivity and dielectric constant of the material domain of step grid, after all step grid is completed optimization, the first electric field component of all grid is calculated;The first electric field component of each material domain vertex of same tissue is linearly interpolated \ extrapolated, obtain the second electric field component of the center of material domain, and calculate local SAR;After obtaining the local SAR of all material domains of same tissue, the tissue average SAR of this tissue is calculated, after obtaining the local SAR of all material domains of different tissues, the 10-g SAR containing different tissues is calculated.The application can effectively inhibit the step error of the local SAR of the complex structure surface of human body, improve the accuracy of SAR statistical result.

The application discloses a kind of biological tissue optical characteristic parameter space frequency domain imaging method based on absorption rate, comprising the following steps: setting biological tissue Monte Carlo simulation parameter;Absorption rate-based biological tissue optical characteristic parameter look-up table is constructed by Monte Carlo simulation and one-dimensional zero-order Hankel transformation;For reference phantom projection cosine illumination pattern and collect fringe image;For the fringe image, Fourier transform, frequency domain filtering and inverse Fourier transform are carried out to obtain direct current component and alternating current component modulation degree;Reference phantom is replaced by measured biological tissue body, and the direct current component and alternating current component modulation degree are obtained by repeating the preceding 2 steps;Direct current and alternating current absorption rate measurement value are calculated;The minimum value of absorption rate Euclidean distance is calculated, and the absorption coefficient and reduced scattering coefficient measurement result are obtained by table lookup, to obtain optical characteristic parameter image.The application takes biological tissue absorption rate as the starting point of optical characteristic parameter inversion, significantly improves imaging sensitivity and reduces inversion error.

The present invention relates to a sodium polyacrylate super absorbent resin for blood absorption with a gradual hierarchical structure. When a blood simulant solution is used as the detection medium, according to ISO 19699-1:2017(E), the absorption capacity of the blood simulant solution is ≥18.0 g / g, Preferably ≥18.5 g / g; the absorption rate of the blood simulant solution is ≤45 s, preferably ≤40 s, more preferably ≤38 s; when human blood is used as the detection medium, according to ISO 19699-1:2017(E), the absorption capacity of the human blood is ≥8.0 g / g, preferably ≥8.3 g / g, more preferably ≥8.6 g / g; the absorption rate of the human blood is ≤45 s, preferably ≤40 s, more preferably ≤35 s, most preferably ≤25 s. The present invention combines organic cross-linking and inorganic cross-linking for surface modification, so that the resin has a gradual hierarchical structure, thereby ensuring that it has excellent blood absorption properties, while also having excellent water absorption properties and gel strength, and other performance.

The invention discloses a flame field parameter anti-artifact tomography method, device and system and a storage medium. The method comprises the steps that S1, a flame field gravity center area of an area to be detected is acquired; s2, according to the center-of-gravity area of the flame field, obtaining absorption rate distribution through a robust iterative reconstruction algorithm driven by center-of-gravity momentum; and S3, obtaining the temperature and concentration distribution of the flame according to the absorptivity distribution. By adopting the technical scheme of the invention, the measurement precision is improved.

A calibration device for a medical imaging system is provided. The calibration device includes a structural framework and multiple markers arranged on the structural framework. At least one of the following two conditions are satisfied: at least two markers are with different absorption rates for a radiation used by the medical imaging system; and at least two positions within one of the markers are with different absorption rates for the radiation.

This disclosure proposes a calibration device for a medical imaging system, including a structural frame and a plurality of marks arranged on the structural frame. At least one of the following two conditions is satisfied: at least two of the marks have different absorption rates to the radiation used by the medical imaging system; and at least two locations within at least one of the marks have different absorption rates to the radiation used by the medical imaging system.

In one aspect, the disclosure relates to compositions and use thereof including an absorbing substance that absorbs light at specific wavelengths, thus allowing the refractive index of the medium at neighboring wavelengths to be modulated accordingly. This modulation allows reduction of the refractive index mismatch between separate phases with distinct refractive indices, thus mitigating scattering. The compositions are soluble in water and have high absorptivity, thus significantly increasing the refractive index at desired wavelengths. In one aspect, these materials have been proved safe in oral administration. In another aspect, provided herein is a protocol that enables diffusion of these substances into the aqueous phase of biological tissues, including in living organisms, thereby achieving increased transmission in muscles and allowing clear visualization of deep bones, vessels, and nerves that are otherwise invisible in the body.

The invention relates to the technical field of electromagnetic measurement, and discloses a specific absorption rate evaluation method and device based on a dielectric dummy model in an automobile. The dielectric dummy whole body model comprises a head, a trunk and lower limbs which are internally communicated; the whole body model is filled with tissue fluid; interstitial fluid altimeters are respectively arranged at the navel position and the chest position of the model; measuring assemblies are arranged at the head, the chest and the crotch of the model respectively; the measuring assembly comprises a tapping auxiliary rod arranged on the model, a cylindrical probe detection rod is arranged in the tapping auxiliary rod, and a gasket is arranged between the probe detection rod and the tapping auxiliary rod. Through in-vivo measurement based on the whole-body dielectric dummy, an innovative dynamic sealing structure and intelligent data correction, the accuracy, reliability and scene applicability of automobile electromagnetic safety evaluation in a real driving state are remarkably improved.

The present disclosure relates to a system for testing an atomization core (1), wherein the system comprises: a liquid supply device (2) configured to supply a liquid to an atomization core (1) via absorption; a power supply (3) configured to energise the atomization core (1) to evaporate liquid supplied to the atomization core (1); at least one sensor (4) configured to weigh the atomization core (1); and a control module (5) configured to receive a signal from the or each sensor (4) to determine an absorption rate of the atomization core (1) based on a determined rate of weight change of the atomization core (1) during the supply of liquid thereto. The control module (5) determines an evaporation rate of the atomization core (1) based on a determined rate of weight change of the atomization core (1) during energisation of the atomization core (1). The control module (5) compares the absorption rate and the evaporation rate to determine if a predetermined comparison requirement is met.

To provide a composition that is easy to swallow, has good texture, has good filling properties, has low dispersibility, and / or has high portability of tablets containing the composition.SOLUTION: This composition has specific ranges in particle parameters including particle area, Feret diameter, and / or aspect ratio; in composition parameters including BS ratio at a height of 30 mm, BS ratio 60 minutes after the start of measurement, powder water absorption rate, angle of repose, difference angle, weight residual ratio, and / or electromotive force; and / or in tableting parameters including disintegration time in water and / or disintegrability in water.SELECTED DRAWING: None

To provide a composition that is easy to swallow, has good texture, has good filling properties, has low dispersibility, and / or has high portability of tablets containing the composition.　This composition has specific ranges: in particle parameters including particle area, Feret diameter, and / or aspect ratio; in composition parameters including BS ratio at a height of 30 mm, BS ratio 60 minutes after the start of measurement, powder water absorption rate, angle of repose, difference angle, weight residual ratio, and / or electromotive force; and / or in tableting parameters including disintegration time in water and / or disintegrability in water.

The present invention relates to a hyaluronic acid film and a manufacturing method therefor and, more particularly, to a hyaluronic acid film having excellent percutaneous absorption and a manufacturing method therefor. The hyaluronic acid film of the present invention is characterized by having a percutaneous absorption rate of 72 to 93%. Having ultra-low molecular weight hyaluronic acid as a main component, the hyaluronic acid film of the present invention is superb in percutaneous absorption rate and mechanical properties and the can be applied to various purposes such as cosmetic packs, edible films and medical device patches, health functional foods, etc.

The present invention relates to the field of absorption rate detection technology, and specifically to a detection device for the absorption rate of a carbon dioxide absorbent, comprising a chassis provided with a transverse partition, a hinged sealing cover on the top of the chassis, a placement plate for placing a sample chamber provided on the transverse partition, a weight sensor provided for quality inspection of the placement plate and the sample chamber, a connection box fixedly provided on the placement plate and passing through the placement plate, one end of the connection box being inserted into the sample chamber, the other end of the connection box being connected to an air intake mechanism located at the bottom of the chassis, a rotatable jet mechanism being provided at the end of the connection box inserted into the sample chamber, the jet mechanism being able to rotate under the action of the carbon dioxide provided by the air intake mechanism and spraying the carbon dioxide onto the carbon dioxide absorbent. The present invention does not require the use of additional power and can automatically and evenly spray the carbon dioxide onto the carbon dioxide absorbent, while automatically sealing the opening of the sample chamber using the air pressure sealing cover, thereby preventing the carbon dioxide from leaking out and affecting the accuracy of the detection data.

A calibration device for a medical imaging system is provided. The calibration device includes a structural framework and multiple markers arranged on the structural framework. At least one of the following two conditions are satisfied: at least two markers are with different absorption rates for a radiation used by the medical imaging system; and at least two positions within one of the markers are with different absorption rates for the radiation.

The present invention aims to provide a BCP-containing composition that exhibits superior effects, such as improving the absorption rate and absorption efficiency of BCP by addressing its water-soluble characteristics, enhancing storage stability by addressing its susceptibility to oxidation, and reducing its distinctive odor. [Solution] (A) β-caryophyllene; (B) Krill oil; (C) Surfactants; and (D) Glycerin A composition containing the following:

The invention relates to the technical field of chemical informatics, and discloses an oral absorption rate prediction and compound structure optimization method, device and equipment, and the method comprises the steps: obtaining a compound sample data set which comprises a multi-dimensional characteristic sample parameter corresponding to each compound sample and a reference oral absorption rate; the multi-dimensional characteristic sample parameters comprise at least one of the following parameters: a fat solubility parameter, a polarity parameter, an electronic structural parameter and an in-vitro penetration parameter, and the multi-dimensional characteristic sample parameters further comprise a molecular structural parameter; and by taking the multi-dimensional characteristic sample parameters as input and the reference oral absorption rate as an output label, training a pre-constructed initial model to obtain an oral absorption rate prediction model. According to the method, molecular structural parameters are introduced into oral absorption rate prediction model construction, the oral absorption rate prediction precision of the model on compounds with complex structures and high flexibility can be remarkably improved, and more accurate data support is provided for subsequent compound structure optimization.

This invention relates to the field of cheminformatics technology, and discloses a method, apparatus, and device for predicting oral absorption rate and optimizing compound structures. The method includes: acquiring a compound sample dataset, which includes: multi-dimensional feature sample parameters corresponding to each compound sample and a reference oral absorption rate; the multi-dimensional feature sample parameters include at least one of the following: lipophilicity parameters, polarity parameters, electronic structure parameters, and in vitro permeability parameters, and also include molecular structure parameters; using the multi-dimensional feature sample parameters as input and the reference oral absorption rate as the output label, training a pre-constructed initial model to obtain an oral absorption rate prediction model. This invention incorporates molecular structure parameters into the construction of the oral absorption rate prediction model, which can significantly improve the model's accuracy in predicting the oral absorption rate of compounds with complex structures and high flexibility, providing more accurate data support for subsequent compound structure optimization.

The utility model discloses a double-C-shaped ultrathin leakproof absorption core, which belongs to the technical field of absorption cores and comprises an absorber and a wrapping layer, the absorber is sequentially composed of a permeable layer, an absorption layer and a diffusion layer from top to bottom, and the absorber is oppositely folded along the diffusion layer to form a double-layer absorber. The double-layer absorber is sequentially composed of a permeable layer, an absorption layer, a diffusion layer, a diffusion layer, an absorption layer and a permeable layer from top to bottom. The wrapping layer wraps the outer surface of the double-layer absorber, and the wrapping layer is provided with a liquid storage groove extending in the longitudinal direction at the bottom of the double-layer absorber; according to the utility model, liquid can permeate in the absorption core body, the air permeability is good, the water absorption rate of the absorption core body can be improved, the liquid is prevented from being retained or leaked on the surface of the absorption core body, and the absorption core body has good water absorption and comfort.

The present invention relates to a pharmaceutical composition containing niclosamide or a pharmaceutically acceptable salt thereof and a method for preparing the same, which can improve the low body absorption rate of niclosamide.

For estimating SAR in MR scanning, a value for a SAR metric is determined from patient measurements, such as a depth camera image of the outer surface of a patient. A machine-learned model is used in the determination, such as for segmenting different tissue types with different electric field characteristics and / or estimating a SAR characteristic from tissue maps. Rather than time consuming calculations to model the patient and / or estimate SAR from patient information, the machine-learned model is used to estimate patient-specific SAR from the measurements of the patient more rapidly and accurately.

The invention relates to a metal organic framework material with high laser absorptivity as well as a preparation method and application of the metal organic framework material. The metal organic framework material is a crystalline porous material formed by interaction of a hydrotalcite-like-carbon quantum dot composite nano additive, metal ions and an organic ligand. The preparation method comprises the following steps: 1, sequentially adding hydrotalcite-like compounds and carbon quantum dots into deionized water, and carrying out ultrasonic treatment to obtain a first product; 2, adding the first product into deionized water containing an organic ligand for ultrasonic treatment; 3, fully mixing the mixed solution with an ionic water solution containing metal salt; 4, adding a sodium borohydride aqueous solution into the mixed solution, and standing for reaction; 5, after the reaction is finished, removing impurities; and 6, carrying out gradient heating and drying to obtain the metal organic framework material. The invention has the following advantages: on one hand, particle size adjustment is realized, and laser absorptivity is improved; on the other hand, the decomposition and ionization efficiency is improved, the ablation depth and the ablation mass of the single-pulse laser are small, and the generated specific impulse is high.