Abstract: The present invention relates to a polymer expanding material in infiltration or seepage multi-water environment and a preparation method thereof, belonging to a technical field of polymer expanding foam materials. The polymer expanding material includes the following parts of materials by weight: 20-30 parts of rosin polyester polyol, 20-50 parts of isocyanate, 20-40 parts of PhireGuard® MB-512, 5-10 parts of HFO-1233zd, 1-2 parts of surfactant, 0.01-1 part of catalyst, and 0.01 parts of benzoyl chloride. The present invention has high sand fixing body strength, fast curing speed, good elastoplasticity, good pouring property and permeability, and good expanding property, which is suitable for infiltration or seepage multi-water environment, especially for dam infiltration, piping, and other problems during construction and subsequent operation of water conservancy projects.

Abstract: A pressing-pulling device, a polymer anti-seepage wall static pressure vibration composite slotting equipment and a using method include: a pressing-pulling bracket, wherein slotting oil cylinders are symmetrically and vertically mounted on the pressing-pulling bracket, and a piston rod of each of the slotting oil cylinders faces downwardly, a bottom end of the piston rod is connected to a connecting plate, and a through-hole is provided in a middle of the connecting plate; a continuous lifting mechanism is installed in a middle of the pressing-pulling bracket, and a slotting rod is vertically inserted into the continuous lifting mechanism; a lifting ring is installed at a top end of the slotting rod; a bottom end of the slotting rod extends downwardly through the through-hole to connect to a slotting cutter; a locking device is fixed on the connecting plate near the through-hole for fixing the slotting rod.

Abstract: A track-type shotcrete integrated system includes: a proportioner working bin, a storage bin, a power bin, and load-bearing legs, wherein bottom sections of the load-bearing legs are equipped with a track chassis for moving, and the track chassis is electrically connected to a track controller; the storage bin contains a storage tank I and a storage tank II for storing different raw materials; a feed pump I is installed on a top of the storage tank I, and a feed pump II is installed on a top of the storage tank II; inlet pipes of the feed pump I and the feed pump II insert into the storage tank I and storage tank II respectively, and outlet pipes of the feed pump I and the feed pump II are connected to a feed pipe I and a feed pipe II respectively . . .

Abstract: A thin-slotting lifting synchronous grouting device and its usage method are provided, The device includes a hollow force-bearing column through which a feeding pipe passes; wherein: left and right cutting plates are respectively fixedly arranged on each side of the hollow force-bearing column; a left connecting plate is fixedly arranged on an outside of the left cutting plate; a right guiding column is fixedly arranged on an outside of the right cutting plate; center lines of the left connecting plate, the right guiding column and the hollow force-bearing column are in a same plane; a top end of to the feeding pipe is connected to a grouting device, and a bottom end is connected to a spraying device; a spraying nozzle of the spraying device stretches out along the hollow force-bearing column; and a lower end of the hollow force-bearing column is connected with a disposable conical head.

Abstract: A in-service trenchless repair method for disconnection of a drainage pipe includes steps of: detecting the disconnection by a pipe sonar, and making a traction rope; pulling a hollowed cylindrical airbag to the disconnection according to the mark on the traction rope; controlling an airbag valve by an air compressor on the ground to inflate the hollowed cylindrical airbag, so that the hollowed cylindrical airbag is in close contact with pipeline wall after inflation; drilling a grouting hole on the ground surface directly above and on both sides of the disconnection until reaching the disconnection, and inserting a grouting pipe into the grouting hole; then injecting a double-slurry quick-curing repair material into the disconnection through a grouting system on the ground and waiting for curing; deflating the hollowed cylindrical airbag and pulling out by the traction rope.

Abstract: A full-digital control rod position measurement device and a method thereof. The full-digital rod position measurement device transforms the core process of rod position measurement that is normally processed by an analog circuit or analog-to-digital mixed circuit into a digital processing. The full-digital rod position measurement device comprises an excitation power supply, an integrated interface board, and a universal signal processor. The universal signal processor processes output signals of detectors according to a preset numerical processing algorithm and outputs Gray code rod position signals. The full-digital rod position measurement device and method disclosed by the present disclosure may effectively reduce the complexity of the primary excitation circuit and the secondary measurement signal processing circuit of the detectors, and improve the operation reliability and measurement accuracy of the rod position processing equipment.

Abstract: A pressing-pulling device, a polymer anti-seepage wall static pressure vibration composite slotting equipment and a using method include: a pressing-pulling bracket, wherein slotting oil cylinders are symmetrically and vertically mounted on the pressing-pulling bracket, and a piston rod of each of the slotting oil cylinders faces downwardly; a bottom end of the piston rod is connected to a connecting plate, and a through-hole is provided in a middle of the connecting plate; a continuous lifting mechanism is installed in a middle of the pressing-pulling bracket, and a slotting rod is vertically inserted into the continuous lifting mechanism; a lifting ring is installed at a top end of the slotting rod; a bottom end of the slotting rod extends downwardly through the through-hole to connect to a slotting cutter; a locking device is fixed on the connecting plate near the through-hole for fixing the slotting rod.

Abstract: A construction method of a rectangular working well includes steps of: (I) designing functional requirements for the rectangular working well; (II) constructing a caisson of an enclosing structure of the rectangular working well; (III) constructing an edge protector; (IV) excavating earthwork of the rectangular working well; (V) forming a back cover for the rectangular working well, and pre-embedding a sliding track, a pull ring and a back wall anchor; (VI) installing a ladder for entering the rectangular working well; (VII) preventing joint leakage; (VIII) installing a water-proof pressure plate at an entrance of the preset pipe jacking hole; (IX) constructing the sliding back wall; (X) lifting the sandwich concrete slab wall at a top of the preset pipe jacking hole; and (XI) performing pipe jacking. The structure system constructed by the present invention has many advantages such as clear function, safety, quickness, and flexible design.

Abstract: Disclosed herein, are fusion proteins comprising a targeting moiety, a plasma protein binding domain, and a toxin or biological variant thereof. Also described herein, are methods of administering the fusion proteins to patients with an autoimmune disease.

Abstract: This application relates to the field of communications technologies, and provides a device control method and a device, so that efficiency of controlling a wireless device to disable or enable a wireless transmit capability of the wireless device or to be powered off can be improved. One solution includes at least: establishing, by a first device, a wireless short-range communication connection to a second device, and sending, by the first device, a first control command to the second device through the wireless short-range communication connection. The first control command is used to instruct the second device to perform a control action, the control action includes disabling a wireless communication capability, enabling a wireless communication capability, powering on, or powering off, and the wireless communication capability includes a wireless transmit capability, or the wireless communication capability includes a wireless transmit capability and a wireless receive capability.

Abstract: A solid-state polymer lithium battery pack and a preparation method therefor are provided. The lithium battery pack includes: single batteries (1), connecting sleeve members (2), electric cables (3), a battery box (4) and a pouring sealant, and has functions of power supply, power storage and multiple charging/discharging. The preparation method includes: connecting a plurality of single batteries in series by means of connecting sleeve members (2) to form combined batteries; connecting a plurality of combined batteries in series to form a lithium battery pack; and finally, assembling the lithium battery pack into a battery box (4), filling a pouring sealant inside the battery box by means of a sealant pouring process for fixing the single batteries (1) and internal electric cables (3), and discharging air in the battery box (4), so that a final solid-state polymer lithium battery pack is obtained.

Abstract: A Bluetooth pairing method includes: performing, by a terminal device, encryption computation on a first Bluetooth parameter to generate first pairing information; sending, by the terminal device, the first pairing information to a peer device; and when the terminal device determines that the first Bluetooth parameter is the same as a second Bluetooth parameter, and the peer device determines that the first Bluetooth parameter is the same as the second Bluetooth parameter, determining, by the terminal device, that Bluetooth pairing between the terminal device and the peer device is successful.

Abstract: A polycarbonate-based resin composition including: an aliphatic polycarbonate-based resin (A) containing a specific repeating unit; and a glass filler (B) having specific composition and having a total content of Li2O, Na2O, K2O, and Cs2O of 5 mass % or less, wherein the refractive index of the aliphatic polycarbonate-based resin (A) for light having a wavelength of 589.3 nm is 1.480 or more and 1.520 or less, wherein the refractive index of the glass filler (B) for light having a wavelength of 589.3 nm is 1.485 or more and 1.520 or less, and wherein a difference in refractive index between the aliphatic polycarbonate-based resin (A) and the glass filler (B) is 0.003 or less for light having a wavelength of 486.1 nm, is 0.001 or less for light having a wavelength of 589.3 nm, and is 0.001 or less for light having a wavelength of 656.3 nm.

Abstract: The present invention provides a lawn mower comprising a battery system, a walking system and a cutter system. The lawn mower further comprises: a fault detection module, configured to detect if at least one of the battery system, walking system and cutter system has a fault; a fault determination module, configured to judge the fault level of the detected fault; and a control module, to control the current-limiting or outage of the corresponding battery system, the slowdown or stop of the walking system, as well as the slowdown or stop of the cutter system according to the fault level; compared with the prior art, the invention not only makes the fault detection more intelligent, but also the lawn mower can adjust the working state in real time according to the fault level, thereby improving the working efficiency.

Abstract: A lawn mower, wherein the cutter system of the lawn mower needs to judge whether the start pulse and the start signal of the cutter switch are valid at the same time under the condition that the seat switch is closed, and the cutter system will be started, only the two conditions are met at the same time, thus not only improving the safety when the cutter system is started, but also the startup of the cutter system can be completed automatically, saving time and labor, and reducing the operator's operation difficulty.

Abstract: Embodiments of the present invention provide a Bluetooth connection method, including: sending, by a first terminal, a Bluetooth low energy BLE advertising message, where the BLE advertising message includes device information; receiving, by a second terminal, the BLE advertising message; obtaining, by the second terminal, the device information; matching, by the second terminal, the device information with prestored device information; if the device information successfully matches the prestored device information, initiating, by the second terminal, a classic Bluetooth connection request to the first terminal; and establishing, by the first terminal, a classic Bluetooth connection to the second terminal. Power consumption of BLE is low.

Abstract: A method includes a first device and sends a network scanning request to a second device over a short-range wireless communication connection between the first device and the second device; the first device receives a scanning result that is of at least one first wireless signal and that is sent by the second device; and the first device sends a wireless connection request to at least one third device based on a wireless signal scanning result to establish a wireless connection to the at least one third device, where the wireless signal scanning result includes the scanning result of the at least one first wireless signal.

Abstract: The present invention relates to the field of wildlife protection, and particularly relates to a method for observing wildlife population size through a remote sensing imagery. The method specifically comprises: a proportion of orthogonal projection area of animals in each pixel to pixel area is computed and summed through a linear correlation between a gray value of a remote sensing imagery pixel and a proportion of the orthogonal projection area of individual animals to the pixel area, to obtain the total orthogonal projection area of target animal population; and population size is obtained on the basis of dividing by the orthogonal projection area of animals of measured individual animals, thereby solving the problem that it is difficult to observe the wildlife population size and a distribution pattern at the same time point.

Abstract: Disclosed are compounds of Formula (I), methods of using the compounds for inhibiting ALK2 activity and/or FGFR activity, and pharmaceutical compositions comprising such compounds. The compounds are useful in treating, preventing or ameliorating diseases or disorders associated with ALK2 activity and/or FGFR activity, such as cancer.

Abstract: Embodiments of the invention are directed to an embodiment of a keyboard application in which a plurality of selectable items (representing keys) are associated with transactions. The keyboard application may be imported into any application that utilizes text input, and replaces a default keyboard used to provide the text input. Upon selection of one of the plurality of selectable items, a transaction is initiated by a service provider computer. In some embodiments, the transaction may result in the engagement of a third party entity. Once completed, an access credential associated with the completion of the transaction is generated. The access credential may be entered into the text input field of the application that utilizes text input.