Abstract: Provided is a method for preparing an oxadiazazole compound and/or a tautomer thereof, comprising: (a), in a solvent, in the presence of a dehydrating agent and a base, subjecting a compound as represented by formula 18 and/or a tautomer thereof to a ring-closing reaction to obtain a compound as represented by formula 19 and/or a tautomer thereof; and/or (b), in a solvent, under acidic conditions, subjecting the compound as represented by formula 19 to a tautomerization reaction as shown to obtain a tautomer thereof, such as a compound as represented by formula 20. The method for preparing the ?-lactamase inhibitor and the intermediate has a low cost, improves the repeatability and the scalability of key reactions, significantly increases the total yield and reduces the number of reaction steps as compared with the prior art, has the technical advantages of being green, safe, efficient and simple and convenient.

Abstract: The present disclosure provides a method and an apparatus for simultaneous inversion of seismic reflection coefficients and seismic wavelets, relating to the technical field of seismic inversion. The method includes: acquiring seismic recording data of a specified work area, and performing position encoding on the seismic recording data to obtain target seismic recording data; extracting temporal and spatial characteristics of the target seismic recording data to obtain temporal and spatial characteristics of seismic wavelets and temporal and spatial characteristics of seismic reflection coefficients within the specified work area; decoding the above temporal and spatial characteristics respectively to obtain the seismic reflection coefficients and the seismic wavelets of the specified work area.

Abstract: The present utility model relates to the technical field of cleaning devices, and in particular to a transversing mopping mechanism, comprising a frame, a power system, a moving component, a roller shaft component, a guide component and a mopping cloth strap, wherein the power system, the moving component and the roller shaft component are all arranged on the frame; the roller shaft component comprises transmission roller shafts; guide grooves are formed on the transmission roller shafts, guide strips matched with the guide grooves are arranged on the mopping cloth strap, and guide edge strips corresponding to both ends of the transmission roller shafts are also arranged on the mopping cloth strap; and, the transmission roller shafts drive the mopping cloth strap, and the transmission direction of the mopping cloth strap is perpendicular to the traveling direction of the transversing mopping mechanism.

Abstract: The present invention relates to detergent compositions comprising protease variants and alpha-amylases or variants thereof. Furthermore, the present invention relates to methods of using the detergent compositions.

Abstract: The present disclosure provides an elastase inhibitor prodrug and use thereof, being a compound of formula I or a pharmaceutically acceptable salt, ester, isomer or solvate thereof, prodrugs or isotopically labeled compound. Compared with the compound 52 (control example) in WO 2018/175173 A1, the compound disclosed herein has the advantages of high pulmonary exposure and long half-life. The prodrugs of the present disclosure significantly increase the concentration and residence time of the active compound (control example) in the lungs with significant improvements in pharmacokinetics in vivo compared to the control example.

Abstract: A method and an apparatus for operating an application program, a terminal device, and a storage medium. The method includes: determining a target version from multiple versions of the application program, and determining first parameter information of the application program of the target version; obtaining second parameter information of the application program transmitted by a bootloader; calculating a target memory address of an executed target element of the script file in the application program of the target version according to the first parameter information and the second parameter information; operating the target element of the script file in the target memory address. By applying the method, the application program can still be normally operated even though an actual operation address of the application program in the terminal device is different from a designated chained address when the application program is linked.

Abstract: The present disclosure provides a method for rapid and harmless treatment of a livestock and poultry carcass/residue by a bacterium-enzyme complex and relates to the technical field of dead livestock and poultry treatment. In the present disclosure, a composite microbial inoculant is compounded from protease-, lipase-, and keratinase-producing strains, and can be applied to the degradation of fats and proteins as well as deodorization. The composite microbial inoculant is further combined with a protease preparation and a lipase preparation to prepare the bacterium-enzyme complex. The bacterium-enzyme complex can quickly and harmlessly treat the carcasses/residues of pig, cattle, sheep, and chicken, and has a short treatment period, mild and controllable reaction conditions, and safe and non-toxic reaction process and reaction products. During the reaction, harmful gases such as CH4 and NH3 and greenhouse gases such as CO2 released by the method are less than those by other methods.

Abstract: The present invention relates to detergent compositions comprising protease variants and alpha-amylases or variants thereof. Furthermore, the present invention relates to methods of using the detergent compositions.

Abstract: The present application provides a preparation method for iridium nanocrystal, including the following steps: mixing an iridium salt, an alcohol solvent and a centrifugal waste liquid to form a mixed solution, and adding an alkali solution in an inert atmosphere for a heating reaction. After centrifugation, an iridium nanocrystal is obtained. The centrifugal waste liquid is a waste liquid produced in the pre-synthesis process of iridium nanocrystal. The preparation method can shorten the reaction time, and the obtained iridium nanocrystal has the advantages of high yield and low cost.

Abstract: A bidirectional reflectance distribution function (BRDF) measurement system and method, an electronic device, and a storage medium. The BRDF measurement system includes: a blackbody, a spectroradiometer and a controller; where in case that the blackbody is heated to a target temperature, it undergoes a solid-liquid phase change; the spectroradiometer is used to measure the blackbody and transmit a first measurement signal to the controller, and in case that the blackbody irradiates a to-be-measured point on a sample surface, the spectroradiometer is further used to measure radiation from the to-be-measured point, and transmit a second measurement signal to the controller; and the controller is used to obtain a BRDF of the to-be-measured point based on the first measurement signal, the second measurement signal, the target geometric relationship, a target mapping relationship and a dimension parameter of the blackbody.

Abstract: A method and an apparatus for operating an application program, a terminal device, and a storage medium. The method includes: determining a target version from multiple versions of the application program, and determining first parameter information of the application program of the target version; obtaining second parameter information of the application program transmitted by a bootloader; calculating a target memory address of an executed target element of the script file in the application program of the target version according to the first parameter information and the second parameter information; operating the target element of the script file in the target memory address. By applying the method, the application program can still be normally operated even though an actual operation address of the application program in the terminal device is different from a designated chained address when the application program is linked.

Abstract: A method for operating a second system application in a first system is provided. The method includes: creating an operating environment of the second system application through a loader on a target terminal; generating an application function component of the second system application in the loader; compiling script files of the second system application into dynamic library files by utilizing the compiling environment supported by the target terminal, and encapsulating the dynamic library files into an application package; installing the application package through the loader, and operating the dynamic library files in the application package under the operating environment. According to the aforesaid method, the target terminal can directly respond to a system instruction generated during execution of the compiled dynamic library files without the need of parsing and converting the system instruction, thus, a cross-platform operation efficiency of the application program can be improved.

Abstract: A bidirectional reflectance distribution function (BRDF) measurement system and method, an electronic device, and a storage medium. The BRDF measurement system includes: a blackbody, a spectroradiometer and a controller; where in case that the blackbody is heated to a target temperature, it undergoes a solid-liquid phase change; the spectroradiometer is used to measure the blackbody and transmit a first measurement signal to the controller, and in case that the blackbody irradiates a to-be-measured point on a sample surface, the spectroradiometer is further used to measure radiation from the to-be-measured point, and transmit a second measurement signal to the controller; and the controller is used to obtain a BRDF of the to-be-measured point based on the first measurement signal, the second measurement signal, the target geometric relationship, a target mapping relationship and a dimension parameter of the blackbody.

Abstract: A method for generating an update package of software. Each installation package of the software includes multiple installation subpackages, and each installation subpackage includes multiple installation files. The method includes: obtaining first feature information and second feature information, the first feature information corresponds to the first installation subpackage, the second feature information corresponds to the second installation subpackage, the first installation subpackage is an installation subpackage in an installation package corresponding to a upgraded software version of the software, and the second installation subpackage is an installation subpackage corresponding to the first installation subpackage in an installation package corresponding to software version of the software before software upgrading; generating the update package for the software according to the first installation subpackage when the first feature information is different from the second feature information.

Abstract: A method for updating firmware is provided. The method includes: obtaining an AP firmware update file and a SP firmware update file set by the AP, the AP firmware update file and the SP firmware update file set are obtained by parsing a same system firmware update file that has been released, and the SP firmware update file set supports multiple different models of the SP; updating, by the AP, a system firmware of the AP according to the AP firmware update file, and sending a target firmware update file parsed from the SP firmware update file set to the SP; the target firmware update file supports the models of the SP; updating, by the SP, a system firmware of the SP according to the target firmware update file. According to the present application, a unified management of firmware versions is facilitated.

Abstract: A method for operating a second system application in a first system is provided The method includes: creating an operating environment of the second system application through a loader on a target terminal; generating an application function component of the second system application in the loader; compiling script files of the second system application into dynamic library files by utilizing the compiling environment supported by the target terminal, and encapsulating the dynamic library files into an application package; installing the application package through the loader, and operating the dynamic library files in the application package under the operating environment. According to the aforesaid method, target terminal can directly respond to a system instruction generated during execution of the compiled dynamic library files without the need of parsing and converting the system instruction, thus, a cross-platform operation efficiency of the application program can be improved.

Abstract: A porosity prediction method based on selective ensemble learning is disclosed. On the basis of the typical machine learning method, the principal component analysis method is used to analyze data from support vector machines, radial basis functions. A group of excellent individual learning models are selected from the classical models such as RBF (RBF) neural network, random forest, ridge regression and K nearest neighbor regression to form the ensemble learning model. The weights of individuals in the ensemble model are obtained by the method of “principal component weight average” and the output of the ensemble learning model is finally obtained by the method of weighted average. The PCA-SEN model overcomes the shortcomings of a single model and has strong generalization ability. This method is used to predict reservoir porosity in order to get more accurate prediction results.

Abstract: The present disclosure provides an elastase inhibitor prodrug and use thereof, being a compound of formula I or a pharmaceutically acceptable salt, ester, isomer or solvate thereof, prodrugs or isotopically labeled compound. Compared with the compound 52 (control example) in WO 2018/175173 A1, the compound disclosed herein has the advantages of high pulmonary exposure and long half-life. The prodrugs of the present disclosure significantly increase the concentration and residence time of the active compound (control example) in the lungs with significant improvements in pharmacokinetics in vivo compared to the control example.