Abstract: A method for testing the nanomechanical properties of natural gas hydrate samples is provided. A dry pure nitrogen environment and a partial ultralow-temperature liquid nitrogen test condition are constructed, a micro-positive pressure state in a glovebox is maintained, and the temperature of a milling tool and a sample stand are maintained consistent; then, a hydrate sample is transferred and installed in the dry nitrogen environment, and the milling tool is driven to cut a surface of the natural gas hydrate sample to form a relatively flat surface; next, indentation parameter reliability testing is performed, an indentation load is changed, indentation testing of indentation points is performed, and an indentation form is observed. The method can realize indentation testing of natural gas hydrate samples in an ultralow-temperature and dry environment by means of a nanoindenter.

Abstract: Personal care compositions and methods for treating one or more dry skin conditions are disclosed. The composition may include a carrier, one or more plant oils, and a source of Aloe vera. The one or more plant oils and the source of Aloe vera may each be present in an effective amount to increase natural moisturizing factors in skin when applied thereto. The method for treating the one or more dry skin conditions may include contacting the personal care composition with skin. Contacting the personal care composition with the skin may increase an amount of natural moisturizing factors in the skin and/or increase an amount of Caspase-14 in the skin.

Abstract: The present disclosure relates to a method for analyzing a geological body with the help of physical and chemical properties thereof, and in particular, to a method for identifying an exudative sandstone uranium deposit. With the method for identifying an exudative sandstone uranium deposit according to the embodiments of the present disclosure, an exudative sandstone uranium deposit formed by an exudation metallogenesis may be systematically identified, so as to guide prediction and prospecting evaluation of a uranium deposit in red variegated sandstone formations of a sedimentary basin, avoid ore dislocation and ore leakage, open up new prospecting positions and spaces, and break through new uranium resources.

Abstract: There is a provided a pointing device, for example a remote pen which includes a multimode switch or button for transitioning the pointing device between three or more modes of operation. The mode of operation can include a first mode, an annotation mode and an air mouse mode. The remote point device further includes an inertial measurement unit configured for determination orientation information associated with the pointing device, which provides a means for determination of changes in x and y with respect to a cursor associated with a screen of a display device being controlled by the pointing device. The pointing device is further configured to provide different control/display (C/D) gains depending on the action being performed by the pointing device.

Abstract: Disclosed are a method and a related device for determining a development status of a separation layer in a coal mine. The method includes: obtaining surface subsidence variation data of the coal mine within a preset time interval, rock stress variation data of a caving zone of the coal mine and water pressure variation data; determining a height decrease of the caving zone based on the rock stress variation data and the water pressure variation data; and determining the development status of the separation layer of the coal mine based on the height decrease and the surface subsidence variation data.

Abstract: A tracer diffusion device includes: a first container, a second container, a drilling pipe, a unidirectional driving device, and a bidirectional driving device. The first container holds a first fluid containing a tracer. The second container holds a second fluid. A first end of the drilling pipe is connected to the first container; a second end of the drilling pipe is extended into a borehole and equipped with a first sealing capsule and a second sealing capsule. A plurality of through holes are arranged on the drilling pipe between the first sealing capsule and the second sealing capsule. The unidirectional driving device is arranged on the drilling pipe, for injecting the first fluid from the first container into the borehole between the first sealing capsule and the second sealing capsule. The bidirectional driving device is arranged between the second container and the first sealing capsule.

Abstract: The present disclosure provides a method for co-producing a xylitol and a caramel pigment. The method includes: transporting a raw material of a xylose mother liquid in a raw material tank to a filter for filtering impurities to obtain a filtered raw material of the xylose mother liquid, and transporting the filtered raw material of the xylose mother liquid to a nanofiltration membrane device to obtain a decolorized xylose mother liquid; transporting the decolorized xylose mother liquid to a first ion exchange device to obtain an ion exchange liquid; and transporting the ion exchange liquid to a chromatographic separation device and obtaining an extracted liquid and a raffinate liquid; performing a refined hydrogenation process on the extracted liquid through a refined hydrogenation assembly to obtain a crystal xylitol, and performing a browning reaction process on the raffinate liquid through a browning reaction assembly to obtain the caramel pigment.

Abstract: Certain aspects of the present disclosure provide techniques reducing wireless interference in wireless communications networks by, for example, enabling a coexistence period during which transmission over a first wireless communication band is deprioritized and reception over a second wireless communication band, different from the first wireless communication band, is prioritized; and receiving positioning data from a positioning system via the second wireless communication band during the coexistence period.

Abstract: The embodiments of the present disclosure provide a method for extracting xylose liquid and cellulose with high purity from corn straw. The method includes raw material screening, raw material preprocessing, alkali processing, acid hydrolysis, and gradient alkali processing. The embodiments of the present disclosure adopt a gradient selective refining method for extracting a high-purity xylose liquid and cellulose from the corn straw, so as to maximize the extraction of the xylose from the corn straw, and at the same time, to separate and extract a high-purity cellulose product from straw residue under a low-cost process processing.

Abstract: Embodiments provide a rotating shaft mechanism applicable to the field of foldable displays of electronic device technologies. The rotating shaft mechanism includes a main body, a first support plate, a second support plate, a middle support plate, a first swing arm, and a second swing arm. The first swing arm, the main body, and the first support plate may form a slider-crank, and the second swing arm, the main body, and the second support plate also form a slider-crank. The middle support plate may move relative to the main body when driven by at least one of the first support plate, the second support plate, the first swing arm, or the second swing arm.

Abstract: A task processing method comprising obtaining a first identifier (ID) sequence from a logical unit number (LUN) mapping table based on logical addresses of first data, where IDs in the first ID sequence are allocated based on a sequence of physical addresses, where the LUN mapping table includes mapping relationships between the logical addresses and the IDs; obtaining first physical addresses from an ID mapping table based on one ID in the first ID sequence when the IDs in the first ID sequence are consecutive, where the ID mapping table includes a mapping relationship between an ID and a physical address and the first physical addresses are a plurality of physical addresses corresponding to the first ID sequence; and reading the first data based on the first physical addresses.

Abstract: Provided are a method and an apparatus of detecting PEMFC (proton exchange membrane fuel cell) operating state. The method includes: arranging a fluxgate sensor on PEMFC cathode surface and at a position opposite to a measurement point on the cathode surface; when PEMFC is operating, continuously measuring a magnetic field variation of a magnetic field of the measurement point changing with time by using the fluxgate sensor; and determining PEMFC operating state according to a corresponding relationship between the magnetic field variation and PEMFC operating state.

Abstract: A five-membered-fused six-membered compound, a preparation method, a pharmaceutical composition, and the use. The penta-fused hexa-heterocyclic compound is a compound represented by formula (II) or (III). The compound has an inhibition or/and degradation effect on IRAK4.

Abstract: The present disclosure provides a system and a method for utilizing corn cobs to jointly produce a premium xylose and a high-end caramel pigment. The system includes a xylose preparation subsystem, an enzymatic hydrolysis subsystem, and a caramel pigment preparation subsystem that are connected to each other through pipelines. The xylose preparation subsystem includes a raw material tank, a pretreatment tank, an acid hydrolysis kettle, a plate and frame filter press device, a filtrate neutralization tank, a nanofiltration membrane separator, an electrodialysis separator, an evaporation concentration tank, a crystallization tank, a centrifugal separator, and a dryer that are connected in sequence through pipelines. The enzymatic hydrolysis subsystem includes a filter residue neutralization tank and an enzymatic hydrolysis reaction kettle connected through pipelines.

Abstract: The embodiment of the present disclosure provides a method for crystallizing compound sugar solution of xylose and sucrose, including: evaporating a mixed solution containing sucrose and xylose to obtain an evaporated mixed solution, adjusting a temperature to a range of 70° C.-75° C., dropwise adding an organic solvent to the evaporated mixed solution, adding sucrose seed crystals, and continuing stirring to obtain a solution, when seed crystals grow in the solution, dropping the temperature to a range of 40° C.-60° C. at a rate of 10° C./h to obtain the mixed sugar solution; centrifuging and drying to obtain a finished product of the compound sugar crystals of the xylose and the sucrose. The obtained finished product has a complete crystal form similar to the sucrose and a sweetness similar to the sucrose and a uniform taste, which meets preferences of the consumers.

Abstract: Disclosed is a preparation system and a preparation method for high-quality xylitol crystals. The preparation system comprises a blending tank, a heat exchanger, a decolorization tank, an ion exchange system, a microporous filter, a first evaporator, a first crystallization kettle, a first centrifuge, a fluidization drying bed, a xylitol dissolution tank, a second evaporator, a second crystallization kettle, a second centrifuge, a hot air drying tank, and a cold air fluidization bed sequentially connected through pipelines. Liquid outlet of the first centrifuge is connected with first inlet of the blending tank. Liquid outlet of the second centrifuge is connected with first inlet of the xylitol dissolution tank. The blending tank is provided with second inlet for receiving xylitol hydrogenation solution. The xylitol dissolution tank is provided with water inlet for pure water. The material output from a product outlet of the cold air fluidization bed is xylitol crystal product.

Abstract: The present disclosure provides a preparation system and a preparation method for xylitol crystals. In the preparation system, outlets of a first centrifuge are connected with an inlet of a hot air drying tank and an inlet of a primary mother liquor storage tank through pipelines, respectively. Outlets of a second centrifuge are connected with an inlet of a second fluidized bed dryer and an inlet of a secondary mother liquor storage tank through pipelines, respectively. An outlet of a dicrystalline sugar dissolution tank is connected with an inlet of a blending tank through pipeline. An outlet of a tricrystalline sugar dissolution tank is connected with the inlet of the primary mother liquor storage tank. The blending tank is provided with an inlet for a raw material of xylitol hydrogenation solution. An output of an outlet of a first fluidized bed dryer is prepared xylitol crystals.

Abstract: The present disclosure discloses systems and methods for preparing compound crystals of erythritol and high-intensity sweeteners. The systems may comprise a fermentation liquid storage tank, a ceramic membrane filtration system, a nanofiltration system, a first evaporator, a first crystallization kettle, a first centrifuge, a sugar dissolution tank, a decolorization tank, an ion exchange column, a blending tank, a second evaporator, a second crystallization kettle, a second centrifuge, a hot-air drying tank, a fluidized drying bed, and a finished product tank sequentially connected through pipelines. The systems may further comprise a high-intensity sweetener storage tank, a primary mother liquor tank, and a secondary mother liquor tank. The finished product tank may store a prepared compound crystallization product of the erythritol and the high-intensity sweetener.