31results about How to "Guaranteed optionality" patented technology

The invention discloses a preparation method of heterogeneous cyclohexanone oxime. The method includes the following steps that ammonia and hydrogen peroxide react to generate hydroxylamine under theeffect of a catalyst, then the hydroxylamine reacts with cyclohexanone to generate cyclohexanone oxime, cyclohexanone oxime is extracted in an extraction phase to complete the separation of an organicphase and an inorganic phase, the extraction phase enters subsequent processes after filtering, and after being subjected to membrane separation, and extraction-phase catalyst slurry is returned to an ammoximation reaction kettle to participate in a catalytic reaction again. The ammoximation reaction is performed in a solvent-free state, the use of organic solvents is avoided, the energy consumption is low, there are fewer side reactions and fewer by products, and the subsequent refining process has small pressure. As there is no solvent, the reaction space is saved, and compared with the solvent-containing ammoximation reaction using the same device for production, the yield is improved. A hydroxylamine mechanism serves as a reaction mechanism, the conversion frequency of the hydroxylamine mechanism is about 2.5 times of that of an imine mechanism at 80 DEG C, and the conversion rate of cyclohexanone is high.

The invention relates to an iron thermal analog test material quantity control method in the field of iron researching technology. It adopts tetrahedral prototype based on element, art, organization and capability and adopts modular structure idea to establish intelligent system which has the following modules: a front handling module, a phase-changing module, an organization capacity module and an applied nodule, wherein the front handling module reads the test parameter from database needed by thermal analog test course to provide an initial condition for the subsequent course; the phase-changing module and the organization capacity module is the dynamic analog of each physical metallurgy module of the thermal analog art; the applied module looks for the best value between the network connecting authority and the network structure by establishing the neurotransmission network module to forecast the organization and the capacity of the thermal analog test.

The invention discloses a public welfare money monitoring and tracking method for preventing data leakage based on block chains, and the method comprises the steps that S1, a supervisor receives donation information which comprises a donator and a welfare money amount remitted by the donator to a bank; S2, the supervisor opens an account for the donator on the blockchain and generates a pair of homomorphic encryption keys, and the supervisor records an encrypted token of a good money amount remitted by a bank in the donation direction on the blockchain; S3, according to the service fee proportion of the bank, calculating the service fee of the amount ciphertext in a homomorphic manner through a hybrid multiplication method, calculating the actual donation sum after the service fee is deducted through an addition homomorphic manner, and recording the actual donation sum on a chain; S4, the supervisor records a circulation object and a circulation amount at each circulation node according to the offline good money circulation dynamic state; and S5, after donation completion information of the good money is received, the supervisor compares the sum of the circulation amount at each node with the actual donation sum consistently and records the sum on a chain.

The invention relates to the technical field of the collection and the analysis of data, particularly the collection and the analysis aiming at running data of sensors, and specifically discloses an intelligent terminal for collecting and analyzing running data of multiple sensors. The intelligent terminal comprises a communication module and a control module, wherein the control module is of an ARM (Advanced Reduced instruction set computer Machine) and FPGA (Field Programmable Gate Array) dual-CPU (Central Processing Unit) structure; the communication module comprises an interface supporting standard MODBUS, IEC61850 and TCP-IP (Transmission Control Protocol-Internet Protocol) communication protocols, an RS485 communication interface, an Ethernet interface, an optical fiber communication port, a video interface, a voice bidirectional talkback module and a GPRS (General Packet Radio Service) communication 4G (Fourth Generation) module. The intelligent terminal can be used for collecting the running data of various sensors in real time, so as to realize the comprehensive management of functions of fault warning, daily management, quality evaluation, risk prevention and the like; the choosability, the quick-acting performance and the reliability of real-time fault detection are effectively guaranteed; the data under a fault is conveniently recorded in time and the treatment is carried out.

The invention discloses a magnetic suspension monitor and a monitoring system based on the monitor. The monitor comprises monitoring equipment and a base. The base is provided with a magnetic suspension mechanism. The base is also provided with a charging pile. The base also comprises a control module for controlling the magnetic field of the magnetic suspension mechanism. The monitoring equipmentcomprises a power supply module and a monitoring module which is connected with the power supply module. The monitoring equipment also comprises a magnetic induction coil which is suspended above themagnetic suspension mechanism after electrification. The monitoring system comprises a sensor, the magnetic suspension monitor, cloud side storage equipment and a mobile terminal which are connectedin turn in a signaling way. The sensor transmits an intrusion signal to the magnetic suspension monitor so that the monitor is enabled to adjust the monitoring angle and the alarm tag is attached to the monitoring data and then the monitoring data are transmitted to the cloud side storage equipment to be stored in a classified way. The mobile terminal inquires the monitoring data in the cloud sidestorage equipment at the preset time and gives an alarm after inquiring the monitoring data including the alarm tag. The system is stable and can perform wear-free rotation and can perform uninterrupted omnibearing monitoring.

The invention relates to the technical field of big data, and discloses a product recommendation method and device based on data analysis and terminal equipment. The method comprises the following steps of: detecting a product recommendation request input by a user; obtaining a first product list according to the indication of the product recommendation request, and determining a second product list from the general service scene logic by analyzing the historical data of the user, removing the products belonging to the second product list in the first product list from the first product list to obtain a third product list, and performing recommendation processing on the products in the third product list. By implementing the method, the number of recommended products can be reduced on thebasis of ensuring the optionality of the recommended products, and the user experience is improved.

The invention discloses a method for preparing an isobutane dehydrogenation catalyst through a secondary calcination ball milling method, the isobutane dehydrogenation catalyst and application. The method for preparing the isobutane dehydrogenation catalyst comprises the following steps: (a) preparing mesoporous material raw powder, (b) removing a template agent, (c) conducting thermal activationtreatment, (d) carrying out ball milling treatment, and (e) impregnating and loading the product obtained in the step (d) with a Pt component and a Zn component, then conducting solvent removal treatment, drying and roasting sequentially, wherein the thermal activation treatment process comprises two times of calcination, the calcination conditions are the same or different, and the calcination conditions are as follows: in the presence of nitrogen, the temperature is increased to a final temperature at the heating rate of 1-5 DEG C/min, and then heating is stopped, cooling is conducted to room temperature, and the final temperature is 500-900 DEG C. The obtained isobutane dehydrogenation catalyst has high isobutane conversion rate when catalyzing isobutane dehydrogenation to prepare isobutene.

The invention belongs to the technical field of catalyst synthesis, and particularly relates to a nitrogen-doped mesoporous carbon supported alloy nano-catalyst and application of the nitrogen-doped mesoporous carbon supported alloy nano-catalyst to preparation of cyclopentanone by catalyzing furfural high-efficiency water-phase hydrogenation. The catalyst is composed of a carrier nitrogen-doped mesoporous carbon and metals M1 and M2 loaded on the nitrogen-doped mesoporous carbon, both the metals M1 and M2 are any one of Cu, Co, Fe, Ni, Al and Zn, the loading capacity in the catalyst is 5-30%, the catalyst is prepared by an impregnation method or an in-situ one-pot method, and the catalyst has a mesoporous structure, a relatively high specific surface area and a good pore structure, and can be used for preparing the catalyst. The catalyst can be recycled for multiple times, the catalytic efficiency is not obviously reduced, the cycle performance is relatively good, and the industrial production requirements are met. The catalyst is safe, non-toxic, green, efficient, environment-friendly and harmless to human bodies, meets industrial green production requirements and has a good application prospect.

The present invention provides one kind of compound for preparing optically active alpha-amino acid and alpha-amino acid derivative and its preparation process. The present invention also provides economic reasonable effective process of synthesizing optically active alpha-amino acid and alpha-amino acid derivative.

The invention relates to a glasses display stand for glass products. The display stand comprises a three-dimensional support, a supporting base, a first display stand body, a second display stand body, a third display stand body and a base sealing cover plate. The surface of the bottom of the three-dimensional support is fixedly connected with the supporting base; the surface of the upper part ofthe three-dimensional support is fixedly connected with a buckle slideway I, a buckle slideway II and a buckle slideway III respectively; the buckle slide way I, the buckle slide way II and the buckleslide way III are arranged in parallel at equal intervals; the buckle slideway I is connected with the first display stand body in a buckling manner; the buckle slideway II is connected with the second display stand body in a buckling manner; the buckle slideway III is connected with the third display stand body in a buckling manner; the supporting base is arranged at the bottom of the display stand, a first sliding way and a second sliding way are fixedly connected to the two ends of the side, connected with the three-dimensional support, of the supporting base respectively, and the supporting base is correspondingly connected to the two ends of the surface of one side of the base sealing cover plate in an inserted mode through the first sliding way and the second sliding way respectively.

The invention discloses a multi-bus interconnection self-recognition method, and the method comprises the steps: collecting the bus knife switch opening and closing input information of each node in ajurisdiction region of a bus protection device; according to the obtained disconnecting link opening and closing information of the bus of each node, synthesizing a full-bus occupation binary numberof each node, wherein each single node is associated with one full-bus occupation binary number; in the jurisdiction area of the bus protection device, executing multiple times of bus transverse identification, wherein one time of bus transverse identification comprises multiple times of node longitudinal identification. According to the method provided by the invention, bus interconnection analysis self-adaption under different main wiring and operation modes of the bus can be realized through software, a bus fault is ensured to occur in a multi-bus wiring complex interconnection mode, a fault bus area can be correctly selected, and four requirements of relay protection are met.

The invention discloses a device plug-and-play and monitoring method based on a wireless ad-hoc network, relating to the device plug-and-play and monitoring method in a wireless network. The method is characterized in that a general device description protocol is adopted, so that device functions are highly abstracted and infinite device categories are simplified into finite device types; any complex device can be described, and future numerous terminal devices are guaranteed to be compatible; a general monitoring protocol specifies communication data frame structures between the terminal devices and a base station as well as between the base station and a monitoring center; and all devices are guaranteed to be monitored in a same monitoring manner, thereby realizing a good user experience. Under the support of the two protocols, the device plug-and-play is realized as follows: in the start-up process of the terminal device, the device description protocol is used to initialize device information; after the wireless ad-hoc network is accessed, a data frame which comprises the device information and conforms to the monitoring protocol is constructed and is initiatively reported to the base station; and then, the base station forwards the data frame to the monitoring center, so that the monitoring center masters functions and operation methods of the device and can implement the monitoring immediately.

The invention discloses a Fischer-Tropsch synthetic oil processing technology. The technology comprises the following steps: (1) Fischer-Tropsch synthetic oil enters a hydrogenation pretreatment reactor for a reaction; (2) the material flow in the step (1) enters a hydrocracking reactor, a hydrocracking reaction zone and a hydrocracking product fractionation zone are arranged in the hydrocracking reactor, and the hydrocracking reaction zone is at least provided with two hydrocracking catalyst bed layers, the material flow after the hydrofining reaction in the step (1) enters a hydrocracking reactor from the bed layer of the hydrocracking catalyst for hydrocracking reaction; and (3) obtaining hydrocracked unconverted oil from the bottom of the hydrocracking reactor in the step (2), obtaining diesel oil from a side line of a hydrocracking product fractionation area, and fractionating a material flow at the top of the hydrocracking reactor to obtain hydrogen and naphtha. According to the method, the condensation point of the diesel oil produced by hydrocracking the full-fraction boiling-Tropsch synthetic oil is improved, and meanwhile, the diesel oil selectivity is improved.