145results about How to "The method is simple and safe" patented technology

Embodiments of a flexible electronic visual display device and a flexible mobile computer having such a display device are disclosed. The basic electronic visual display device comprises a flexible display device, at least one control system, at least one three-dimensional sensor, a flexible housing containing the electronic components, and an adjustment means for the housing. In some embodiments, the flexible display device can have additonal sensors of various types, a projector, a wireless communication interface, and a wireless power supply. For independent use some embodiments of the flexible electronic visual display device can also comprise an electronic module including at least one processor and at least one data memory, and also at least one electrical energy storage device being contained in the housing as well. This permits the flexible electronic display device to provide a broad range of functionalities and application possibilities, and to assume novel functionalities and applications.

A butterfly needle assembly has a needle and a shield with wings integral to either the needle or the shield. The wings have aesthetically pleasing patterns to distract the patient during treatment. The mechanical design of the needle and shield juncture improves the stability of the assembly when inserted into a patient, as well as allowing the assembly to be disengaged with a single hand to help the caregiver avoid a needle “stick” and prevent the spread of diseases.

A separation membrane for water treatment, comprising a porous layer that is obtained by a phase separation method using a solution containing a resin and at least one of either an N,N-disubstituted isobutylamide or an N-monosubstituted isobutylamide.

The invention discloses a method for producing calcium fluoraluminate clinker through aluminum cell carbon waste. The method comprises the following steps of 1, securing treatment, wherein crushing is performed, a detoxicating agent solution is sprayed in an atomization mode to obtain a granulated detoxicating material; 2, fuel treatment, wherein a catalytic oxidant is added, and homogenizing modification is performed to obtain fluorine-containing fuel; or the catalytic oxidant, lime and water are added to be stirred or rolled and mixed or pulverized through a wet process or filtered or filtered and washed to obtain dealkalized fluorine-carbon residue fluorine-containing fuel; 3, manufacturing a raw material, wherein waste alumina, calcium raw materials and waste gypsum are prepared, grinding and homogenizing are performed, and plastifying molding is performed; 4, manufacturing the clinker, wherein the material is fed into a tunnel kiln or a vertical kiln to be calcinated and quenched to obtain the clinker. The clinker obtained through the method can be supplied to dual high early strength cement production, and has the good economical efficiency and good performance; the method can utilize a large quantity of aluminum silicon and calcium containing waste; the method is safe, simple, large in handling capacity, low in energy consumption, low in cost, free of secondary pollution and suitable for industrial production.

The invention provides a preparation method for a carbon quantum dot fluorescent probe. The preparation method is characterized by comprising the following steps: heating citric acid and quadrol for reaction, dissolving an acquired mixture into water and then putting into a dialysis bag for dialysis, thereby acquiring the carbon quantum dot fluorescent probe. According to the invention, a one-stepmethod is adopted for successfully preparing an environment-friendly, simple and easily acquired carbon quantum dot served as a fluorescent probe; selectivity and fluorescence characteristic of the carbon quantum dot fluorescent probe are combined for recognizing Fe (III); the carbon quantum dot prepared according to the method has the advantages of green, non-toxicity, simple detection method, high selectivity, and the like; a complex modifying process is avoided.

In order to provide a color metallic pigment capable of implementing diverse colors, excellent in finished appearance and weather resistance and manufacturable by a safe and simple manufacturing method, a color metallic pigment comprising metal particles and a single-layer or multilayer coat covering the surface of each metal particle characterized in that at least one layer of the single-layer or multilayer coat is a cobalt coat consisting of an anhydrous oxide film elementally containing cobalt is provided. This cobalt coat preferably contains a compound in composition expressed by at least one type of composition selected from a group consisting of CoO, Co₂O₃, Co₃O₄, nCoO.mAl₂O₃ and nCoO.mSiO₂ (n, m: arbitrary positive real numbers).

The invention relates to a nisin extraction method which is characterized by comprising the following steps: (1) adjusting the pH value of a nisin fermentation concentrated solution to 1.7-3.0, and mixing the nisin fermentation concentrated solution with a water-microsoluble organic solvent or water-insoluble organic solvent, wherein the organic solvent is any one of dichloromethane, n-butyl alcohol, ethyl acetate and carbon tetrachloride, or a combination of any two; and (2) stirring, standing, carrying out solid-phase separation to obtain a nisin wet cake, and drying while depressurizing invacuum to obtain the nisin product. The invention has the following main advantage: the nisin is precipitated by means of the organic solvent, thereby overcoming the defects of the existing process such as high salt content and low product purity, and ensuring that the product purity of nisin is higher than 50%. The method is safe, convenient, practical and low in cost.

The invention discloses a financial information interaction method and device, equipment and a storage medium. The method comprises: if business association authentication information matched with a financial business handling request is obtained, sending the business association authentication information to a financial server to enable the financial server to generate to-be-signed information, sending the to-be-signed information to an eID service provider, and the to-be-signed information being used for the eID service provider to generate a signature instruction; when a signature instruction is received, obtaining and sending a password input by a user to the SIMeID card to be matched with the eID signature password, and after matching is passed, signing the to-be-signed information; sending the to-be-authenticated information matched with the signature result to an eID service provider, so that the eID service provider generates an authentication result and sends the authentication result to a financial server, and then the financial server executes subsequent financial operation; and receiving a processing result fed back by the financial server. The method optimizes the identity verification scheme when the user remotely handles the financial business in the prior art, and is more convenient, simpler and safer.

The invention discloses application of fluorosulfonyl compound I to preparation of FSO2N3. According to application of the fluorosulfonyl compound I to preparation of the FSO2N3, the fluorosulfonyl compound I comprises a positive ion and a negative ion, the positive ion is presented as a formula A: please see the specification for the formula, wherein R1, R2, R3 and R4 are individually hydrogen orC1-C6 alkyl group, or the R3 and the R4 and a carbon atom between the R3 and the R4 commonly form unsaturation C5-C8 cyclo-hydrocarbyl. The required FSO2N3 can be safely, simply, conveniently and quickly prepared in high yield by adopting the fluorosulfonyl compound; and the prepared FSO2N3 can be directly used in subsequent reactions without treatment.

A method is disclosed for setting up a sensor system (100), comprising an optical image sensor (102), a processing unit (110) and a communication unit (114). The method comprises: preventing the communication unit (114) from communicating with an external unit before set-up of the sensor system (100); acquiring (304) an image by means of the optical image sensor (102), said image comprising information which is machine-readable and which comprises set-up instructions; extracting (308) said information from the acquired image by means of the processing unit (110); identifying (314) that the extracted information corresponds to set-up instructions;triggering (406) the communication unit (114) to identify an external unit (120) in a computer network; and establishing a secure communication channel between the communication unit (114) and said external unit (120) using the set-up instructions

The invention discloses a synthesis method of panobinostat. The synthesis method comprises a step of synthesizing 2-methyl tryptamine or hydrochloride thereof, namely taking 2-methylindole as a raw material, conducting reaction with chloroacetyl chloride or bromoacetyl bromide, and conducting reaction with potassium phthalimide to obtain the 2-methyl tryptamine. According to the technical scheme adopted by the invention, influence of toxic raw materials on the safety of a panobinostat product is avoided; meanwhile, the invention provides the synthesis method applicable to industrial production.

The present invention relates to a gene therapy vector which is useful in the treatment or prevention of hypertrophic cardiomyopathy in a subject in need thereof. The gene therapy vector of the invention comprises a nucleic acid sequence encoding a cardiac sarcomeric protein and a cardiomyocyte-specific promoter which is operably linked to said nucleic acid sequence. The invention furthermore relates to a cell which comprises the gene therapy vector. Pharmaceutical compositions which comprise the gene therapy vector and/or a cell comprising said vector are also provided. In another aspect, the invention relates to a method for treating or preventing hypertrophic cardiomyopathy in a subject by introducing the gene therapy vector of the invention into a subject in need of treatment.

The invention relates to high-purity helical carbon nanotubes and a preparation method thereof. The method comprises the following steps: (1) preparation of alpha-crystal-form nano iron oxide catalyst precursor: preparing the alpha-crystal-form nano iron oxide catalyst precursor by pre-precipitation in combination with a sol-gel process; and (2) preparation of high-purity helical carbon nanotubes: putting the alpha-crystal-form nano iron oxide catalyst precursor into a pipe furnace, reducing the alpha-crystal-form nano iron oxide catalyst precursor into a nano iron catalyst by an in-situ reduction process, introducing a carbon source and vapor as catalytic regulation aids, and keeping the temperature for 6-10 hours, thereby obtaining the igh-purity helical carbon nanotubes. The method is simple, safe and environment-friendly. The purity of the prepared helical carbon nanotubes is up to 99% or above, and the yield is up to 7709-8077 (g-HCNTs/g catalyst); and the product has uniform parameters (diameter, helical diameter, screw pitch and the like) and complete shape.