Abstract: A direct current circuit breaker handcart and a direct current switch apparatus are provided. In the direct current circuit breaker handcart, the current carrying element is located on the support surface, and includes a main circuit breaker and an auxiliary circuit breaker electrically connected with each other; the commutation element is located on the support surface, is electrically connected with the current carrying element, and includes a commutation capacitor, a commutation inductor, a commutation switch assembly, and a commutation capacitor charger electrically connected with each other; the repulsive assembly is configured to control opening and breaking off of the main circuit breaker; the energy absorbing element is located on the support surface, and is electrically connected with the current carrying element and the commutation element, respectively.

Abstract: Disclosed are methods for improving compound detection and characterization. Methods for characterizing a sample are disclosed. The methods can include providing a sample to a liquid chromatography system capable of sample separation to generate sample components; analyzing sample components by multiplexed targeted selected ion monitoring (SIM) to generate an inclusion list; and performing iterative mass spectral data-dependent acquisition (DDA) from the inclusion list, to identify individual sample components thereby characterizing the sample. In one example, multiplexed targeted SIMs and iterative MS2 DDA acquisition is used to increase robust compound identification for cell culture medium analysis.

Abstract: Provided are a method of preparing a malononitrile oxime ether compound and an intermediate compound. The malononitrile oxime ether compound has a structure as shown in formula (VII), wherein W is selected from aryl or heteroaryl. The preparation method comprises: reacting a first raw material with a second raw material in the presence of a first solvent and a catalyst to obtain the intermediate compound, wherein the first raw material has a structure as shown in formula (IV), and the second raw material has a structure as shown in formula (V); and subjecting the intermediate compound, and a dehydrant to a dehydration reaction in the present of a second solvent to obtain the malononitrile oxime ether compound. Furthermore, the malononitrile oxime ether compound is obtained through one-step dehydration reaction. using the preparation method, is advantageous for improving the yield of malononitrile oxime ethers and reducing the cost.

Abstract: A quick-assembly structure includes an inserting portion and an inserting port allowing the inserting portion to be inserted, where one of the inserting portion and the inserting port is provided on the chassis, and the other one is provided on the back frame. A locking block of the inserting portion is movably arranged relative to the inserting port; and in an assembled state, a bump of the inserting portion is inserted into the inserting port along with the inserting portion, the locking block is pushed by an elastic force of an elastic member of the inserting port to enter a locking position, and at the locking position, a locking end of the locking block enters the inserting port and abuts against an abutting surface of the bump so as to restrict the inserting portion from being pulled out in a direction opposite to an inserting direction thereof.

Abstract: The present application provides a displaying base plate and a displaying device, which relates to the technical field of displaying. The displaying device can ameliorate the problem of screen greening caused by electrostatic charges, thereby improving the effect of displaying. The displaying base plate includes an active area and a non-active area connected to the active area, the non-active area includes an edge region and a first-dam region, and the first-dam region is located between the active area and the edge region; the displaying base plate further includes: a substrate; an anti-static layer disposed on the substrate, wherein the anti-static layer is located at least within the edge region; and a driving unit and a touch unit that are disposed on the substrate, wherein the driving unit is located within the active area.

Abstract: Disclosed is a method for cancelling an insurance policy that includes: detecting whether a preset cancellation condition of an insurance policy is satisfied when the insurance policy is under an insurance-applying status or under a to-be-underwritten status; acquiring a corresponding cancellation period of the insurance policy if the preset cancellation condition of the insurance policy is satisfied; detecting within the cancellation period whether a first change instruction is received which first change instruction is intended to change the status of the insurance policy so that the preset cancellation condition of the insurance policy is no longer satisfied; and cancelling the insurance policy when the first change instruction is not detected. Further disclosed are a device for cancelling an insurance policy, an insurance system, and a computer-readable storage media.

Abstract: An optical fiber cable with optical fiber sensing and communication functions includes an outer sheath layer, an inner sheath layer, communicating optical fibers, and sensing optical fibers. The communicating optical fibers are laid inside the inner sheath layer, the sensing optical fibers are laid between the inner sheath layer and the outer sheath layer, and an inner reinforcing member is filled in the inner sheath layer. An outer reinforcing member-is filled between the inner sheath layer and the outer sheath layer, and a plurality of cutting kerfs for slotting are provided on an outer side wall of the outer sheath layer along a length direction of the outer sheath layer. A manufacturing method includes processes of cable paying-off, molding, extruding to form sheath layers, making cutting kerfs, cooling and cable taking-up, etc., which has simple operation and low production costs.

Abstract: The present application discloses a method for allocating processing task of insurance service, a computer readable storage medium, a terminal device and an apparatus. This method comprises: determining a processing task to be allocated and an insurance service corresponding to the processing task; acquiring an evaluation factor of the insurance service; determining a processing authority level required by the processing task according to the acquired evaluation factor; determining institution authority levels of various insurance institutions according to the acquired evaluation factor and preset institution factors of the various insurance institutions; determining a first insurance institution entitled to handle the processing task according to the processing authority level and the institution authority levels; and allocating the processing task to the first insurance institution according to a preset allocation rule.

Abstract: Provided are a heterocyclic carboxylic acid amide ligand and applications thereof in a copper catalyzed coupling reaction. Specifically, provided are uses of a compound represented by formula (I), definitions of radical groups being described in the specifications. The compound represented by formula (I) can be used as the ligand in the copper catalyzed coupling reaction of the aryl halogeno substitute, and is used or catalyzing the coupling reaction for forming the aryl halogeno substitute having C—N, C—O, C—S and other bonds.

Abstract: An optical fiber cable with optical fiber sensing and communication functions includes an outer sheath layer, an inner sheath layer, communicating optical fibers, and sensing optical fibers. The communicating optical fibers are laid inside the inner sheath layer, the sensing optical fibers are laid between the inner sheath layer and the outer sheath layer, and an inner reinforcing member is filled in the inner sheath layer. An outer reinforcing member is filled between the inner sheath layer and the outer sheath layer, and a plurality of cutting kerfs for slotting are provided on an outer side wall of the outer sheath layer along a length direction of the outer sheath layer. A manufacturing method includes processes of cable paying-off, molding, extruding to form sheath layers, making cutting kerfs, cooling and cable taking-up, etc., which has simple operation and low production costs.

Abstract: The present invention provides oxalic amide ligands and uses thereof in copper-catalyzed coupling reaction of aryl halides. Specifically, the present invention provides a use of a compound represented by formula I, wherein definitions of each group are described in the specification. The compound represented by formula I can be used as a ligand in copper-catalyzed coupling reaction of aryl halides for the formation of C—N, C—O and C—S bonds.

Abstract: Provided are a heterocyclic carboxylic acid amide ligand and applications thereof in a copper catalyzed coupling reaction. Specifically, provided are uses of a compound represented by formula (I), definitions of radical groups being described in the specifications. The compound represented by formula (I) can be used as the ligand in the copper catalyzed coupling reaction of the aryl halogeno substitute, and is used or catalyzing the coupling reaction for forming the aryl halogeno substitute having C—N, C—O, C—S and other bonds.

Abstract: A method, device, terminal, and storage medium for amending prompt. The method comprises: when an operation that a specified product is amended is detected, obtaining attribute information of a current amendment; inquiring a relevance model according to the specified product and the attribute information, so as to obtain relevant products of the specified product and relevant attribute information of the attribute information; and outputting prompt information, so as to prompt the user whether to amend the relevant products and the relevant attribute information synchronously. In this way, the user can obtain relevant products or attribute information during an amending process of an insurance product, amending operations of the user are effectively facilitated, the amending efficiency is improved, and it is convenient to reduce the probability of missed amendments or mistaken amendments of insurance products.

Abstract: The present invention provides oxalic amide ligands and uses thereof in copper-catalyzed coupling reaction of aryl halides. Specifically, the present invention provides a use of a compound represented by formula I, wherein definitions of each group are described in the specification. The compound represented by formula I can be used as a ligand in copper-catalyzed coupling reaction of aryl halides for the formation of C—N, C—O and C—S bonds.

Abstract: Disclosed are an image displaying method, apparatus, and device. The image displaying method comprises the following steps: receiving, after a to-be-scanned image is displayed to a user, an image enlargement request for the to-be-scanned image from the user; enlarging the to-be-scanned image according to a preset enlargement rule; and displaying the enlarged to-be-scanned image to the user. The technical solutions of the present invention can solve the problems, in the prior art, of poor flexibility of scanning an image by a user, a low scanning success rate, and a long scanning response time.