98results about How to "Loose conditions" patented technology

Provided is a process for the preparation of a pigment dispersion which comprises a pigment surface treatment step of introducing at least one hydrophilic dispersibility-providing group onto the surface of a pigment directly and/or with the interposition of a polyvalent group, and a dispersion step of dispersing a surface-treated pigment obtained at the surface treatment step in an aqueous medium, characterized in that the dispersion step involves the dispersion of the surface-treated pigment in admixture with a wetting agent and water and a resin for providing dispersibility and/or fixability is added during and/or after the dispersion step.

The invention relates to the field of molecular biology, in particular to an AS-PCR (allele-specific polymerase chain reaction) primer design method, a gene mutation detection method and a kit. The AS-PCR primer design method comprises the following steps: (1), an AS-PCR primer is designed for a target sequence containing a to-be-detected allele mutation region; (2), a competition blocking primer is designed for the AS-PCR primer and adopts oligonucleotide in reverse complement with the AS-PCR primer. According to the gene mutation detection method, the AS-PCR primer and the competition blocking primer have a PCR amplification reaction. The kit comprises the AS-PCR primer, the competition blocking primer, a TaqMan probe, an internal control primer, an internal control probe, polymerase, dNTP (deoxynucleotide) and a buffer solution. The AS-PCR primer design method, the gene mutation detection method and the kit have the advantage that the difference of specificity of the AS-PCR primers on mutation sites due to strong and weak mismatch of the mutation sites is reduced effectively.

The invention relates to a static equivalence method for an external network based on an internal network routine Ward equivalent circuit. The static equivalence method comprises the steps of first inputting a topological structure, parameters thereof and status information through programs by using a computer; then calculating to obtain a routine Ward equivalent network of the internal network and parameter values of the routine Ward equivalent network; thereafter establishing virtual measurement equation of equivalent circuit parameters of the external network based on the restraint relationship between the equivalent circuit parameters of the external network and the routine Ward equivalent circuit parameters of the internal network; and finally solving the virtual measurement equation by adopting a least square method to acquire parameter values of the equivalent network of the external network. The static equivalence method can be widely applied to interconnected networks to solve an equivalence problem of completely unknown adjacent subnets, provides an effective solution for carrying out equivalence on completely unknown adjacent subsystems in the interconnected networks, providing a profound theoretical basis for improving the precision of safe and stable correction for independent subsystems, and being conducive to safe and stable running of the interconnected networks.

A first lens and a second lens are bonded, and each of a light emitting plane and a light incident plane is a flat surface to shorten a configuration in an optical axis direction, and simultaneously, various optical elements such as a transmission/reflection selection member and the like can be mounted on a flat surface portion. Further, by providing a half mirror in a bonding portion between a convex surface and a concave surface to give power in folding an optical path, an image with a wide angle of view can be formed.

An OFET with pentacene derivatives as semiconductor materials includes Top type and Bottom type. The substituting radicals involve halides (F-, Cl-, Br-, I-). Films can be produced from pentacene derivatives directly, or produced from pentacene derivatives precursor indirectly, by vacuum depositing, rotary coating, throwing, casting, LB method, printing, and ink jetting, etc. The produced OFET has good field effect transition rate and electric current switching ratio stably.

The invention relates to a preparation method of silica-coated all-inorganic perovskite core-shell structure quantum dots. The preparation method comprises the following steps: completely dissolving cesium carbonate in n-caprylic acid to obtain a cesium precursor solution, dissolving lead bromide and tetra-n-octylammonium bromide in toluene to obtain a lead bromide/toluene solution; and then, sequentially adding an aminosilane coupling agent and the cesium precursor solution into the lead bromide/toluene solution, stirring for reaction, and separating and drying an obtained product to obtain the target product. Compared with the prior art, the preparation method disclosed by the invention is simple and loose in condition, the fluorescence characteristic of the prepared product is not reduced, the stability is greatly improved compared with that of pure CsPbBr3, and the product can be used as fluorescent powder to be packaged into a photoelectric device for application.

A method for manufacturing a bonded wafer including: forming an ion-implanted layer in a bond wafer, bonding the bond wafer to a base wafer, delaminating the bond wafer at the ion-implanted layer, and performing a flattening heat treatment on a surface after delamination, in which a silicon single crystal wafer is used as the bond wafer where the region to form the ion-implanted layer has a resistivity of 0.2 Ωcm or less, the ion-implanted layer is formed where the ion dose for forming the layer is 4×10¹⁶/cm² or less, and the flattening heat treatment is performed in an atmosphere including HCl gas. Therefore, a method for manufacturing a bonded wafer having a low resistivity thin film (SOI layer) that contains dopant, such as boron, with high concentration according to the ion-implantation delamination method, where outward diffusion of dopant and suction due to oxidation can be inhibited to maintain low resistivity.

The invention relates to a method for preparing ordered mesoporous material by utilizing bentonite. Bentonite material and alkali with the weight ratio of 1: 0.5-2 are mixed and roasted for activation, a sample after roasting is stirred and leached in deionized water at common temperature, leaching solution is the synthesized material, the leaching solution is dripped in surfactant solution, the pH value of the solution is adjusted to 7-13, the solution is put in a reaction kettle for crystallization at 100-180 DEG C, filtered, washed, dried and roasted at 500-600 DEG C to obtain white power,i.e. the ordered mesoporous material. The method has simple preparation process, cheap and easily available raw material, low concentration of organic material and difficult initiation of environmentpollution. The specific surface area of the prepared ordered mesoporous material has a maximum of over 1000m<2>*g<-1>, the pore volume can reach over 1.00cm<3>*g<-1>, and the distribution of pore diameters is centralized.

The invention provides a pulse reconstruction method for sound of multipath underwater channel. The pulse reconstruction method includes the following steps of (1), transferring channel output signals from to a complex cepstrum domain through a convolution homomorphic feature system (2), filtering by a filter of the complex cepstrum domain which is constructed on the basis of an idea of peak search, that is to adopt the idea of peak search in the complex cepstrum domain based on the features of a complex cepstrum to automatically search for multipath peak pulse and to conduct the smooth processing so as to achieve the filtering of the multipath interference of the complex cepstrum (3), enabling the result after filtering to be through a convolution homomorphic inverse feature system and achieving the reconstruction of the pulse signals of the sound. According to the method, the priori knowledge, such as channel or signal parameters, is not required, the fast and varying channel is applicable, the method of constructing the feature filter is easy, and the reconstruction error is small.

The invention belongs to the technical field of functional materials, and particularly relates to intelligent microgel achieving linear temperature response and a preparation method thereof. According to the intelligent microgel achieving the linear temperature responses and the preparation method thereof, by means of precipitation polymerization of two kinds of oligomeric ethylene glycol acrylate monomers and an aqueous solution of a cross-linking agent, microgel which shows linear temperature response behaviors within a wider range is obtained. When acrylic monomer is introduced in the precipitation polymerization process, microgel achieving pH response and linear temperature response simultaneously can be obtained; the response behaviors can be customized and adjusted by changing the proportion. The raw material is ethylene glycol-based monomer which is good in biocompatibility, the solvent is water, the preparation process is green and free of pollution, operation is convenient, large-scale industrial production can be achieved, and the prepared microgel has the linear temperature response behaviors, makes up the gap of traditional dramatic temperature response behaviors and has the large-scale preparation potential and wide commercial application prospect.

The invention discloses a preparation method of a macrolide antibiotic sensor based on iron nitride, and belongs to the technical field of new nano functional materials and chemical biosensors. The method comprises the following steps: firstly preparing an array of iron nitride nanosheets on a disposable electrode, directly preparing a polydopamine film and a molecularly imprinted polymer using the macrolide antibiotic molecule as a template molecule coated with luminol in situ successively on the array of iron nitride nanosheets one after another by adopting an in-situ growth method and utilizing a large specific surface area and a high adsorption activity for amidogen, and eluting the molecularly imprinted polymer of the template molecule after the template molecule is eluted and the original position of the template molecule became a hole, thereby preparing a macrolide antibiotic sensor based on iron nitride.

The invention relates to a nano-silver-loaded microcrystal bamboo charcoal ceramic bead and a preparation method thereof. The nano-silver-loaded microcrystal bamboo charcoal ceramic bead is prepared from nano-silver and a microcrystal bamboo charcoal ceramic bead by virtue of surface compounding, wherein the microcrystal bamboo charcoal ceramic bead is prepared from the following components by weight percent: 30%-50% of bamboo charcoal powder, 30%-40% of porous nonmetal mineral powder, 20%-30% of clay and 2%-5% of an adhesive. According to the preparation method, the microcrystal bamboo charcoal ceramic bead is coated with nano-silver, so that nano-silver has a strong support body, doped nano-structure silver is further formed, and the catalytic efficiency of nano-silver is further improved; the microcrystal bamboo charcoal ceramic bead is high in structural strength and can resist high temperature, so that the microcrystal bamboo charcoal ceramic bead can be regenerated by virtue of a roasting manner after being used for a long time, and the adsorption capability and the catalytic degradation and killing effects are recovered; compared with porous-ceramic-loaded nano-silver, the nano-silver-loaded microcrystal bamboo charcoal ceramic bead has relatively good effects in the aspects of water quality purification, air purification and the like, furthermore, the preparation method is simple, and the application is convenient.

The invention discloses a preparation method for a tetracycline antibiotic electrochemiluminescence sensor, and belongs to the technical field of novel nanometer function materials and biosensing analysis. The preparation method firstly prepares a nickel-iron bimetallic oxide nanosheet array on a disposable electrode, the large specific surface area of the nickel-iron bimetallic oxide nanosheet array, high adsorption activity for an amino and the amino functional group of polydopamine are used, an in-situ growth method is adopted to successively directly preparing a polydopamine film and a molecularly imprinted polymer which coats luminol in an in-situ way and takes tetracycline antibiotics as a template molecule on the nickel-iron bimetallic oxide nanosheet array, and after the template molecule is eluted, the position of the original template molecule becomes a cavity, i.e., the molecularly imprinted polymer of the template molecule is eluted. Therefore, the tetracycline antibiotic electrochemiluminescence sensor finishes being prepared.