Abstract: A method for preparing (S)-nicotine by reduction includes conducting a reduction process on an alkene compound as shown in Formula I and/or an iminium cation compound as shown in Formula II, thereby producing (S)-nicotine. The method is simple, safe, reliable, and yields both high purity and high quantities of (S)-nicotine production.

Abstract: Disclosed are methods of message processing, apparatuses therefor, and an electronic device. An implementation of the disclosure includes: presenting, responsive to a user's preset trigger operation in a target conversation, a schedule set area and a scheduled send button in the target conversation; determining a message send time set by the user via the schedule set area; and retrieving, after the user triggers the scheduled send button, message content in a message input box of the target conversation as message content for a target scheduled message, and creating the target scheduled message according to the message send time. This implementation realizes direct creation of a scheduled message via a message input box of an instant messaging client, facilitates converting an edited instant message to a scheduled message, extends functions of the instant messaging client, and enhances user experience.

Abstract: A screen content processing method includes: dividing screen content into a plurality of areas; detecting pixel similarity between a first target area of a current frame of the screen content and a second target area of a previous frame of the screen content; using a pixel hash table of the second target area as a pixel hash table of the first target area if the similarity satisfies a first detection result; calculating pixel hash values of the first target area to establish a pixel hash table if the similarity satisfies a second detection result; traversing, according to a pixel hash table of an area to be coded in the first target area of the current frame, pixel hash tables of reference areas and performing intra block copy processing or hash motion estimation processing, to complete screen content processing for the first target area of the current frame.

Abstract: The present disclosure relates to systems and methods for transport capacity scheduling. The systems and methods may determine a target region, wherein a plurality of service requests that satisfy a preset condition initiate from the target region. The systems and methods may determine a non-busy region based on information of the target region. The non-busy region may include one or more available service providers that are free to accept a service request. The systems and methods may transmit, via a network, a scheduling instruction associated with the plurality of service requests to a user terminal associated with at least one of the one or more available service providers in the non-busy region. The scheduling instruction may include information inquiring whether the at least one of the one or more available service providers in the non-busy region agrees to go to the target region.

Abstract: The present disclosure relates to a system and method for recommending a service type to a user. The method comprises obtaining and storing in the device a plurality of previous service requests placed by the user, wherein each of the plurality of previous service requests comprises order information including the type of requested service and at least one of a service time or a service location. The method also comprises using the processor to generate a service type prediction model based on the order information of the plurality of previous service requests. The method further comprises receiving a service request including at least one of a currently service time or a currently service location from the user and using the service type prediction model to predict the user's preferred service type.

Abstract: A system includes at least one non-transitory storage medium storing a set of instructions and at least one processor in communication with the at least one non-transitory storage medium. When executing the set of instructions, the at least one processor may be directed to cause the system to obtain a service request signal sent from a user terminal via wireless communication, wherein the service request signal encodes identifier data, a first departure location, and a first departure time; retrieve one or more historical records related to the identifier data, wherein a historical record includes a historical departure location, historical departure time and a historical destination location; determine, using a pre-stored destination matching algorithm, a selection probability of the one or more historical destination location; determine, based on the selection probability, a suggested destination location, which is the same as the one or more historical destination locations.

Abstract: The present application provide a connection component, a battery cell, a battery, and an electric device. The connection component includes a body, a convex portion, a concave portion and a gap control portion, and the body includes a first surface and a second surface opposite to each other in a thickness direction thereof; and the gap control portion is configured to be when the associated connection component is stacked on the other connection component, said gap control portion is in contact with said the other connection component, so as to control a dimension of a gap D between the two connection components to be greater than 0.6H, wherein H is the height of the convex portion protruding from the first surface. According to the connection component provided by the present application, the gap between two adjacent connection components can be controlled when material is stuck.

Abstract: The present disclosure relates to systems and methods for determining a predicted distribution of future transportation service time point. The systems may perform the methods to obtain historical service time points of transportation service requests occurred in a predetermined region; determine a variance of the historical service time points; determine a predicted distribution of future transportation service time point in the predetermined region based on the variance; and store the predicted distribution in a database.

Abstract: The present disclosure discloses an order allocation method. The method may include: receiving orders and extracting order information; extracting service provider information and obtaining features of service providers; determining whether the order information matches the features of the service providers, or determining whether the features of the service providers satisfy a preset condition to generate a determination result; ranking the service providers based on the determination result; generating orders to be allocated; and allocating the orders to be allocated to the service providers based on the ranking. The present disclosure also discloses an order allocation system that can perform the method above.

Abstract: The present disclosure provides a hydrogel tablet for relieving alcoholism and protecting the liver as well as the preparation process and application thereof. The present disclosure firstly provides a composition with the effects of relieving alcoholism and protecting the liver, which comprises the following components on the basis of weight parts: 20˜40 parts of chitosan, 25˜55 parts of sodium alginate, 3˜20 parts of gelatin, 1˜10 parts of calcium carbonate and 0.05˜0.5 parts of gallic acid. Based on this composition, the present disclosure further provides a hydrogel tablet for relieving alcoholism and protecting the liver. In the present disclosure, chitosan, sodium alginate and calcium carbonate are compounded at an appropriate proportion to form powder particles of chitosan/sodium alginate (shell)-calcium carbonate (core), into which are additionally added gelatin and gallic acid to get a product that is the hydrogel tablet.

Abstract: The present disclosure relates to a method and system for determining a final location associated with a service requester. The method includes obtaining, by at least one computer server of an online transportation service platform, an initial location associated with a service requester; comparing, by the at least one computer server, the initial location with a plurality of candidate locations in a database to generate at least one match result; and determining, by the at least one computer server, a final location based on the at least one match result, wherein the final location is associated with the initial location.

Abstract: The present disclosure relates to systems, methods and non-transitory computer readable media for determining at least one candidate order in response to an on-demand service. The system may include at least one computer-readable storage medium including a set of instructions and at least one processor in communication with the at least one computer-readable storage medium. When executing the set of instructions, the at least one processor is directed to: receive a request associated with a terminal device, the request including at least one of a current time or a current location of the terminal device; obtain a plurality of historical orders associated with the terminal device based on the request; determine at least one candidate order based on the plurality of historical orders and the request; and transmit the at least one candidate order to the terminal device in response to the request.

Abstract: A system includes a storage device storing a set of instructions and at least one processor in communication with the storage device. When executing the instructions, the at least one processor is configured to obtain, via a network, rule information for rules for determining alert from a rule library and obtain, via the network, operation data of the on-demand service from a storage medium. The at least one processor may also cause the system to determine whether the operation data is in accordance with the rules for determining alert based on the rule information and determine an alert based on the determination that the operation data is in accordance with the rules for determining alert. The at least one processor may further cause the system to and transmit the alert to be displayed to managers of the on-demand service.

Abstract: The present disclosure relates to systems and methods for remotely operating an interface of a mobile device. The method may include receiving a request for an LBS sent from the mobile device through the information exchange port, and obtaining a current time point in response to the request for the LBS. The method may also include obtaining historical behavior information related to a user of the mobile device. The method may also include determining, based on the historical behavior information and the current time point, one or more recommended destinations for the user. The method may further include remotely controlling the interface of the mobile device, through the information exchange port, to display the one or more recommended destinations.

Abstract: The present disclosure relates to a method and system for providing location based service to end users. The method includes acquiring one or more historical orders associated with a user within a predetermined time interval; retrieving a first set of points of interests (POI) associated with the user based on the one or more historical orders; storing the first set of POIs associated with the user in a first database; retrieving a second set of POIs from a second database; updating the first set of POIs in the first database based on the second set of POIs and the one or more historical orders; receiving location information of the user from a user equipment; determining one or more personalized content items based on the updated first set of POIs and the location information of the user; and transmitting the one or more personalized content items to be displayed on the user equipment.

Abstract: Various embodiments of the present disclosure relate to user behavior based service dispatch. According to embodiments, initial impact factors of a service supplier for a plurality of requests are determined. If one or more requests are associated with user feedbacks concerning an adjusted property of the service, then the related initial impact factors of the service supplier can be adjusted based on the associated user feedbacks. Based on the adjusted impact factors, one or more requests are selected from the plurality of requests to be delivered to the service supplier.

Abstract: A system and method for determining a team are provided. The method may include obtaining information relating to each of a plurality of participants to be grouped, the plurality of participants including a plurality of team leaders and a plurality of team members. The method may also include determining one or more teams by automatically allocating the plurality of team members to the plurality of team leaders based on the information relating to the plurality of participants, wherein each of the one or more teams includes a team leader and at least one team member.

Abstract: The present disclosure relates to systems and methods for determining a predicted distribution of future transportation service time point. The systems may perform the methods to obtain historical service time points of transportation service requests occurred in a predetermined region; determine a variance of the historical service time points; determine a predicted distribution of future transportation service time point in the predetermined region based on the variance; and store the predicted distribution in a database.

Abstract: A system includes a storage device storing a set of instructions and at least one processor in communication with the storage device. When executing the instructions, the at least one processor is configured to obtain, via a network, rule information for rules for determining alert from a rule library and obtain, via the network, operation data of the on-demand service from a storage medium. The at least one processor may also cause the system to determine whether the operation data is in accordance with the rules for determining alert based on the rule information and determine an alert based on the determination that the operation data is in accordance with the rules for determining alert. The at least one processor may further cause the system to and transmit the alert to be displayed to managers of the on-demand service.

Abstract: A system and method for evaluating performance of difference models. The method may include: obtaining, by at least one computer, a first sample set and a second sample set; dividing, by the at least one computer, the first sample set into a plurality of first sample subsets, each first sample subset providing an average first sample subset characteristic value; dividing, by the at least one computer, the second sample set into a plurality of second sample subsets; each second sample subset providing an average second sample subset characteristic value; determining, by the at least one computer, a final model between the first model and the second model based on an average difference, a significance level, and a confidence interval between the first model and the second model.