摘要:
A method of and a system for allocating commodity shelves including obtaining shopping paths of customers, classifying the customers according to a predetermined standard, determining one or more shopping paths adopted by more customers in each kind of customers as frequent shopping path(s) of this kind of customers, calculating a see-buy rate of a commodity for each class of customers. The see-buy rate of a commodity for a class of customers refers to a probability to purchase the commodity for the class of customers. Calculating a shelf where each commodity in a set of commodities is located when the total expected benefits for set of commodities are maximized during a certain period of time. The total expected benefits include a sum of an expected benefit for the each commodity based on the see-buy rate and the frequency shopping path when each commodity is located in its own shelf.
摘要:
A spread spectrum clock signal generator and an accompanying method provide a spread spectrum clock signal of a reduced electromagnetic interference. The spread spectrum clock signal generator includes (a) a state machine, which maintains a current state of the spread spectrum clock signal generator, receives as input value a next state of the spread spectrum clock signal generator and generates a clock phase selection signal based on the current and next states; (b) a random number generator for generating the next state; and (c) a waveform generation circuit for generating a spread spectrum clock signal based on the clock phase selection signal.
摘要:
Improved lithium-sulfur energy storage systems can utilizes LixSy as a component in an electrode of the system. For example, the energy storage system can include a first electrode current collector, a second electrode current collector, and an ion-permeable separator separating the first and second electrode current collectors. A second electrode is arranged between the second electrode current collector and the separator. A first electrode is arranged between the first electrode current collector and the separator and comprises a first condensed-phase fluid comprising LixSy. The energy storage system can be arranged such that the first electrode functions as a positive or a negative electrode.
摘要:
A semiconductor structure and a method for forming the same are provided. The semiconductor structure comprises: a semiconductor substrate; a source region and a drain region defined in the semiconductor substrate respectively, and a trench formed in the source region and/or the drain region, in which a rare earth oxide layer is formed in the trench; a source and/or a drain formed on the rare earth oxide layer; and a channel region formed between the source and the drain. A relationship between a lattice constant a of the rare earth oxide layer and a lattice constant b of a semiconductor material of the source and/or the drain and/or the channel region is a=(n±c)b, where n is an integer, c is a mismatch ratio of lattice constants, and 0
摘要:
The present invention provides a catalyst and the preparation process thereof and a process of epoxidising olefin using the catalyst. The catalyst contains a binder and a titanium silicate, the binder being an amorphous silica, the titanium silicate having a MFI structure, and the crystal grain of the titanium silicate having a hollow structure, with a radial length of 5-300 nm for the cavity portion of the hollow structure, wherein the adsorption capacity of benzene measured for the titanium silicate under the conditions of 25 degrees C., P/P0=0.10 and 1 h of adsorption time is at least 70 mg/g, and there is a hysteresis loop between the adsorption isotherm and the desorption isotherm for nitrogen adsorption by the molecular sieve at a low temperature; wherein based on the total amount of the catalyst, the content of the binder is 3-15 wt %, and the content of the titanium silicate is 85-97 wt %; and the catalyst has a crushing strength value of not less than 60 N/cm measured according to GB3635-1983 standard method. The catalyst according to the present invention has high strength, and shows high catalytic activity in the epoxidation of olefins.
摘要:
A semiconductor structure and a method for forming the same are provided. The semiconductor structure comprises: a semiconductor substrate; an active region formed in the semiconductor substrate, in which the active region comprises: a channel region, and a source region and a drain region formed on both sides of the channel region respectively; and a first isolation trench formed in the semiconductor substrate and on both sides of the active region, in which a first rare earth oxide layer is formed in each first isolation trench to produce a stress in the channel region in a channel length direction.
摘要:
A method and system for implementing inter-network SMS interworking in NP service are provided in the present invention. The method includes: before initiating a MT-SMS, if a first SMS Center of GSM network (G1-SMSC) judges that the destination user is not a user of local network, then it delivers a SRI message to an interworking SMSC; the interworking SMSC queries the NPDB in CDMA network for the home network of the destination MDN, and if the home network is a second GSM network, the interworking SMSC sends a SRI message carrying the destination MDN to the HLR in the second GSM network (G2-HLR); and G2-HLR sends a SRI response carrying the address information of the MSC where the destination user is located to G1-SMSC, and the G1-SMSC initiates a MT-SMS to the MSC where the destination user is located according to the address information.
摘要:
An approach is provided for performing multiple and hybrid forms of communication in the same communication session. A communication manager receives a to establish a communication session using a first form of communication, wherein the communication session supports multiple and simultaneous forms of communication. Next, the communication manager selects a second form of communication to conduct the communication session. Then, the communication manager transcodes the second form of communication to the first form of communication. The different forms can be converted to facilitate and enrich the communication capability, according to an embodiment of the invention.
摘要:
The present invention provides a novel base station, a novel user equipment and a method of reducing energy consumption in a base station. According to the present invention, when detecting no user service for a time period, the base station switches off its transmitter and keeps its receiver switched on, thereby entering into a sleep state; when receiving a wake-up signal, the base station switches on the transmitter, thereby entering into a wake-up state. The method switches off the transmitter to reduce energy consumption when there is no user service, and wakes up the base station intelligently when a user comes.