Abstract: A hemoglobin analysis method based on a microscopically magnified digital image. On the basis of the first absorbance of target cells ?1=log(the mean gray value Gb of the blank area/the mean gray value Gc of the target cell area), target corpuscular hemoglobin CH=(STC/KHGB)×lg(Gb/Gc) is acquired. The target corpuscular hemoglobin CH=the first absorbance ?1×the target cell area STC×the first hemoglobin correction coefficient CHB1. By using the Beer-Lambert law, the hemoglobin content of a single target cell can be accurately acquired.

Abstract: An outdoor tent includes a tent body and window body components disposed on the tent body; each window body component includes a frame fixed on the tent body, a window frame fixedly embedded on the frame, and a flexible window body disposed in the window frame. An upper part of the flexible window body is fixedly connected to the window frame, and other edges of the flexible window body are connected to the window frame. The flexible window body and the window frame have two layers respectively, and the flexible window body includes an inner light-transmitting window body and an outer screen window. Upper edges of the screen window and the light-transmitting window body are fixedly connected to the window frame, other edges of the screen window are connected to an outer window frame, and other edges of the light-transmitting window body are connected to an inner window frame.

Abstract: An outdoor Roman umbrella with an umbrella opening and closing structure includes an umbrella post and an umbrella body, where the umbrella post is provided with a slider assembly that moves up and down along the umbrella post, the slider assembly is hinged and matched with a cantilever, and the other end of the cantilever is configured to be matched with the umbrella body. The outdoor Roman umbrella further includes a diagonal draw bar assembly, where when the diagonal draw bar assembly is in a straight-bar state, the diagonal draw bar assembly and the cantilever are matched in a crossed manner, and with the slider assembly moving upward, the diagonal draw bar assembly and the cantilever are deformed in a crossed manner and the umbrella body is driven to be opened.

Abstract: A filter element for coupling adsorption and regeneration of volatile organic compounds and a purification device are provided. The filter element includes a filter element body, a photocatalytic mechanism and adsorption-filtration body(s). The adsorption-filtration body(s) may be of a hollow columnar structure where the photocatalytic mechanism is located. VOCs are quickly adsorbed by the adsorption-filtration body(s), then thermal desorption regeneration is performed on the adsorption-filtration body(s) during a time interval of stopping discharging of the exhaust gas, and a photocatalysis technology is used to cyclically purify the thermally desorbed VOCs, which achieves the synergy of high-density and purification in the two technologies. Furthermore, it takes full advantages of high adsorption, filtration and purification efficiency, low photolysis catalysis costs, and easy operation and maintenance of the on-site regeneration.

Abstract: Disclosed herein are an imaging module bearing device and base, a microscopic image acquisition device and an adjusting method. The imaging module bearing device includes an imaging lens support, an imaging lens clamping base and an adjustment guide base; an imaging lens clamping base bottom portion is movably clamped between the imaging lens support and the adjustment guide base; and the levelness of an upper surface of the imaging lens clamping base bottom portion relative to an imaging lens support bottom portion can be adjusted until a microscopic imaging module fixed to the imaging lens clamping base is orthogonal to the upper surface of the imaging lens clamping base bottom portion, and the microscopic imaging module is fixed to the imaging lens clamping base.

Abstract: A valve assembly and an ink cartridge with the valve assembly are provided. The valve assembly includes a valve cover, a valve base, a diaphragm and a transfer column. The valve cover is disposed on the valve base to define a valve cavity, and the diaphragm is disposed between the valve cover and the valve base and configured for separating the valve cavity into a first deformable cavity and a second deformable cavity independent with each other. The transfer column is fixed in the valve cavity and penetrates through the diaphragm, and at least one of the transfer column and the diaphragm is provided with a passage. The diaphragm moves relative to the transfer column due to a pressure difference between the first deformable cavity and the second deformable cavity, resulting in opening or cutting off communication between the first deformable cavity and the second deformable cavity by the passage.

Abstract: The present disclosure describes a microfluidic chip for culturing and in vitro testing of 3D organotypic cultures. The tests may be performed directly on the organotypic culture in the microfluidic chip. The microfluidic chip includes at least one microfluidic unit which includes two fluidic compartments, such as upper and lower, separated by a permeable supporting structure, one or more access opening for the fluidic compartments, and a set of lids interchangeable with a set of insets. The permeable support structure serves as a support for the organotypic culture. The upper and lower compartments may include inlets and outlets which allow fluids to be perfused into the lower compartment and fluids to be perfused into the upper compartment. The access opening may be closed with a lid or accommodate an inset.

Abstract: A valve assembly and an ink cartridge with the valve assembly are provided. The valve assembly includes a valve cover, a valve base, a diaphragm and a transfer column. The valve cover is disposed on the valve base to define a valve cavity, and the diaphragm is disposed between the valve cover and the valve base and configured for separating the valve cavity into a first deformable cavity and a second deformable cavity independent with each other. The transfer column is fixed in the valve cavity and penetrates through the diaphragm, and at least one of the transfer column and the diaphragm is provided with a passage. The diaphragm moves relative to the transfer column due to a pressure difference between the first deformable cavity and the second deformable cavity, resulting in opening or cutting off communication between the first deformable cavity and the second deformable cavity by the passage.

Abstract: A filter element for coupling adsorption and regeneration of volatile organic compounds and a purification device are provided. The filter element includes a filter element body, a photocatalytic mechanism and adsorption-filtration body(s). The adsorption-filtration body(s) may be of a hollow columnar structure where the photocatalytic mechanism is located. VOCs are quickly adsorbed by the adsorption-filtration body(s), then thermal desorption regeneration is performed on the adsorption-filtration body(s) during a time interval of stopping discharging of the exhaust gas, and a photocatalysis technology is used to cyclically purify the thermally desorbed VOCs, which achieves the synergy of high-density and purification in the two technologies. Furthermore, it takes full advantages of high adsorption, filtration and purification efficiency, low photolysis catalysis costs, and easy operation and maintenance of the on-site regeneration.

Abstract: The invention relates to a mutated HPV39 L1 protein (or a variant thereof), a sequence encoding the same, a method for preparing the same, and a virus-like particle comprising the same, wherein the protein (or a variant thereof) and the virus-like particle can induce the generation of neutralizing antibodies against at least two HPV types (e.g. HPV39 and HPV68, or HPV39, HPV68 and HPV70), and therefore can be used to prevent infection by said at least two HPV types, and a disease caused by said infection, such as cervical cancer and condyloma acuminatum. The invention further relates to the use of the protein and the virus-like particle in the manufacture of a pharmaceutical composition or a vaccine for preventing infection by said at least two HPV types, and a disease caused by said infection, such as cervical cancer and condyloma acuminatum.

Abstract: A calculate once use forever (COUF) method to efficiently determine statistics on data records of a data set. Data records are read from an original data set and grouped together into units and simple statistic on each unit are calculated and stored in a database. When a query asking for an additional statistic comes in, the additional statistic can be determined quickly and efficiently from the already calculated unit simple statistics so that read redundancies and computational redundancies can be eliminated.

Abstract: This application discloses an information recommendation method and apparatus, a device, and a storage medium, and belongs to the field of information recommendation. The method includes starting an application program according to a start operation, a first account being logged in in the application program; obtaining a recommended information flow for the first account, recommended information in the recommended information flow including at least one piece of interactive recommended information, the interactive recommended information being information for which a second account generates an interactive message, the first account and the second account having a social relationship; and displaying an information presentation interface, the information presentation interface comprising the recommended information displayed in an information flow form.

Abstract: This application discloses an information recommendation method and apparatus, a device, and a storage medium, and belongs to the field of information recommendation. The method includes starting an application program according to a start operation, a first account being logged in in the application program; obtaining a recommended information flow for the first account, recommended information in the recommended information flow including at least one piece of interactive recommended information, the interactive recommended information being information for which a second account generates an interactive message, the first account and the second account having a social relationship; and displaying an information presentation interface, the information presentation interface comprising the recommended information displayed in an information flow form.

Abstract: The invention relates to a mutated HPV39 L1 protein (or a variant thereof), a sequence encoding the same, a method for preparing the same, and a virus-like particle comprising the same, wherein the protein (or a variant thereof) and the virus-like particle can induce the generation of neutralizing antibodies against at least two HPV types (e.g. HPV39 and HPV68, or HPV39, HPV68 and HPV70), and therefore can be used to prevent infection by said at least two HPV types, and a disease caused by said infection, such as cervical cancer and condyloma acuminatum. The invention further relates to the use of the protein and the virus-like particle in the manufacture of a pharmaceutical composition or a vaccine for preventing infection by said at least two HPV types, and a disease caused by said infection, such as cervical cancer and condyloma acuminatum.

Abstract: A testing device is provided. The testing device includes a capturing tool and a microfluidic chip having a plurality of chambers connected in a network, a sample receiving port connected to the network, and a guide structure configured to receive the capturing tool, wherein the capturing tool is configured to capture sample in a distal position from the guide structure and further configured to transfer the captured sample to the sample receiving port in a proximal position from the guide structure.

Abstract: A calculate once use forever (COUF) method to efficiently determine statistics on data records of a data set. Data records are read from an original data set and grouped together into units and simple statistic on each unit are calculated and stored in a database. When a query asking for an additional statistic comes in, the additional statistic can be determined quickly and efficiently from the already calculated unit simple statistics so that read redundancies and computational redundancies can be eliminated.

Abstract: The present disclosure describes a microfluidic chip for culturing and in vitro testing of 3D organotypic cultures. The tests may be performed directly on the organotypic culture in the microfluidic chip. The microfluidic chip includes at least one microfluidic unit which includes two fluidic compartments, such as upper and lower, separated by a permeable supporting structure, one or more access opening for the fluidic compartments, and a set of lids interchangeable with a set of insets. The permeable support structure serves as a support for the organotypic culture. The upper and lower compartments may include inlets and outlets which allow fluids to be perfused into the lower compartment and fluids to be perfused into the upper compartment. The access opening may be closed with a lid or accommodate an inset.

Abstract: A method for controlling a smart device is described. The interface circuitry of a user device for controlling the smart device receives basic information of the smart device that enables a connection of the smart device into an Internet of Things network. A control signal is provided to the smart device via the interface circuitry to control, according to the basic information. The smart device is connected into the Internet of Things network. A preset function configuration of the smart device is obtained when the smart device is connected into the Internet of Things network. A control component is determined to enable a control of the smart device according to the preset function configuration. For a user interface, a controller template is generated to include the control component. The smart device is controlled based on an operation on the control component in the user interface.

Abstract: Disclosed are a time synchronization method and device. The method includes: a slave device detecting whether time synchronization can be performed via a primary link between a master device and the slave device; and when time synchronization cannot be performed via the primary link between the master device and the slave device, the slave device using a backup link to perform time synchronization. By the method and device in the embodiments of the present document, the technical problem of time synchronization failure caused by abnormalities in the related art is solved, and the technical effect of improving the reliability of time synchronization is achieved.

Abstract: A method is disclosed for notifying a patient before blood pressure monitoring. Also provided is a dynamic blood pressure monitor, which is used for notifying a patient before commencement of a blood pressure measurement.