48results about How to "Lower overall renovation" patented technology

The invention discloses a dual-layer optimization method for power distribution network expansion planning and light storage locating and sizing. The method comprises the steps of building an upper-layer optimization model for active power distribution network expansion planning: determining a target function and constraint conditions of the upper-layer model; building a lower-layer optimization model for light storage capacity configuration: determining a target function and constraint conditions of the lower-layer model; and solving the upper-layer model and the lower-layer model: executing an upper-layer model optimization method, a lower-layer model optimization method and a dual-layer optimization method. According to the method, the built dual-layer optimization models taking a distribution network enterprise and users as subjects and taking calculation of optimal economic cost as a target comprehensively analyze economic influence of light storage system access and power distribution network expansion planning on the distribution network enterprise and the users; a planning model taking annual cost expense as a target function can well assess the economy of a power distribution network; and the light storage system can be reasonably configured, so that the power purchase costs of the users are effectively reduced, the on-spot consumption of photovoltaic energy is increased, and the network loss of a power distribution system can be effectively reduced.

The present invention relates to a process for preparation of a delta-9-tetrahydrocannabinol compound or derivative thereof involving treating a first intermediate compound with an organoaluminum-based Lewis acid catalyst, under conditions effective to produce the delta-9-tetrahydrocannabinol compound or derivative thereof. Another aspect of the present invention relates to a process for preparation of a cannabidiol or cannabidiolate compound involving reacting a first starting compound with a second starting compound in the presence of a metal triflate catalyst, under conditions effective to form the cannabidiol or cannabidiolate compound. The present invention also relates to a compound of the formula:

where R₈, R₉, and R₁₀ are the same or different and independently selected from the group consisting of H, substituted or unsubstituted alkyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, or halo, with R₁, R₂, and R₃ defined herein.

The embodiment of the invention discloses a sniffer system, an audiomonitor and a monitoring method in an IP network so as to reduce the transform and influence caused to the prior network element. The system of the embodiment of the invention comprises the processes that: an analysis unit Analysis TAP is used for intercepting the data message that the user equipment receives or sends through a network equipment; the monitoring filtration rule is set according to the monitoring command that the legal monitoring gateway LIG sends down and the data message is resolved and filtered according to the filtration rule, and the data message after being filtered is reported to the LIG; the network equipment is wherein a packet access node which accesses the user equipment and the LIG is used for sending down the monitoring command to the Analysis TAP. The related information for setting the monitoring filtration rule is carried in the monitoring command and the data message that the Analysis TAP reports is forwarded to a monitoring center MC so as to implement the monitoring.

A multi-layer substrate includes a planar transmission line structure and a signal via, which are connected by a multi-tier transition. The multi-tier transition includes a signal via pad configured to serve for a full-value connection of the signal via and the planar transmission line; and a dummy pad connected to the signal via, formed in an area of a clearance hole in a conductor layer disposed between a signal terminal of the signal via and the planar transmission line, and isolated from the conductor layer.

The invention relates to an electric peak load regulation gas-fired cogeneration waste heat recycling device and method. The device comprises a central urban area heat supply system and an external supply area heat supply system which are arranged in a power plant, and the two systems are each composed of a high-temperature heat storage tank, a low-temperature heat storage tank, a steam-water heatexchanger, a heat pump unit, a flue gas heat exchanger and accessories such as valves. The method comprises the steps that the running mode of the device is adjusted through different valve opening and closing combinations, and then the device runs in the electrical load off-peak period and in the electrical load peak period separately. According to the electric peak load regulation gas-fired cogeneration waste heat recycling device and method, thermoelectric decoupling of the gas-fired cogeneration power plant in winter is achieved, flue gas total heat is recycled on the condition that it isguaranteed that the heat supply capacity of an original heat supply network of the central urban area is invariable, the added heat is externally supplied to a newly-added heat supply area, and meanwhile the electric peak load regulation capability of the gas-fired power plant in winter is significantly improved to reduce a wind curtailment phenomenon. The heat supply network of the central urbanarea still runs according to an original heat supply mode, only a large-temperature-difference heat exchange unit of a tail-end heating station of the external supply area needs to be transformed ornewly constructed, and therefore the transforming or newly constructing cost is reduced.

The disclosure provides a jacking-pulling construction method. The jacking-pulling construction method comprises the following steps of: well site production, that is, a pipe jacking-pulling working well is made by using a precast reinforced concrete pipe well through the undrained caisson construction, the bottom of the pipe jacking-pulling working well is sealed by using concrete underwater, andthe water level inside the well is more than 1 meter higher than the water level outside the well; guide hole drilling, that is, a directional drilling machine is connected to a first end of a jacking-pulling drill pipe, and a second end of the jacking-pulling drill pipe is connected to a guide bit, so as to drill a guide hole according to a predetermined trajectory; reaming stage, in which the guide bit is disassembled, a reverse drill bit is installed to the second end of the jacking-pulling drill pipe, and reverse reaming is performed along the hole through which the jacking-pulling drillpipe passes; and pipeline laying, that is, a front end fixing cap, a short force transmission rod, a rear anchor top plate, a rear anchor short rod, a hydraulic jack and a self-locking socket pipe areinstalled to the end of the reverse drill bit, and jacking-pulling installation construction is carried out on the self-locking socket pipe. The scheme provided by the disclosure achieves the effectsof high construction accuracy, short construction period and small construction area.

The invention provides a device used for preventing laver in sheet from falling off during the sheet making with strip laver by one-time laver processing unit. By arranging extrusion points on the laver in sheet in a lattice arrangement way through a set of mechanical structures, the device presses the laver at the extrusion points into a slot of a slice, thus achieving the effect of increasing adhesion between the laver in sheet and the slice, and effectively solving the problem that the laver in sheet becomes incompact due to over thickness and overweight of the laver in sheet during producing the strip laver or falls from the slice after dehydration or the shrinkage of the laver in sheet during drying process. The device comprises a box body, a spike tooth, a laver compression elastomer and a spike tooth compression spring; a first connecting piece is arranged at a first face plate of the box body, the laver compression elastomer is arranged at a second face plate of the box body, a through hole for the spike tooth to pass through is arranged in the laver compression elastomer, the spike tooth is arranged on the box body, a first end of the spike tooth extrudes from the second face plate of the box body and is positioned in the through hole of the laver compression elastomer, the spike tooth compression spring is kept between the first face plate and the second face plate and sheathed on the spike tooth, and the spike tooth is pressed against and supported on a locking plate that is matched with a spike tooth ring groove.

The invention provides a human, machine and object information fusion intelligent building management method, system and application, and the method comprises the steps: obtaining the working state and use frequency of intelligent equipment in each region, and carrying out the statistics and analysis of the corresponding number of users in each region; Counting historical time that the power utilization state of the intelligent equipment in each area changes first and last every day in a period of time, and determining arrival and departure time intervals of personnel in the areas; Obtaining entry and departure historical data of each person in the access control system, and obtaining entry and departure time intervals of each person; fusing The access control system, the number of users in each area and the power utilization state information of the intelligent equipment in each area, and determining the area corresponding to each person; Counting the working state of the intelligentequipment in each time period; And fusing the access control system, the power utilization state of the intelligent equipment in each area and the working state information of each time period, learning the personnel behavior habits of each area, and controlling the on-off state of the corresponding intelligent equipment in the appointed time period according to the learning result.

Provided is an indoor distribution system MIMO single cable covering method and system. An MIMO host machine enables one of the two paths of signals output by an LTE two-channel RRU to be combined with signals of an original distribution system, and the other path of signals to be subjected to frequency conversion; the two paths of signals are then combined into new signals which are then transmitted to an MIMO slave machine through a feeder line of the original distribution system; the MIMO slave machine enables the combined signals to be separated, and the signals which are subjected to frequency conversion are separated out and the frequency of the signals is reduced; and the signals are sent out by utilizing one path of single-polarized antenna or one path of a dual-polarized antenna, and the other path of signals are sent out by utilizing the other path of single-polarized antenna or the other path of the dual-polarized antenna, so that under the condition of not changing the structure of the original indoor distribution system, complete LTE MIMO characteristics are achieved. According to the technical scheme of the invention, with the indoor single cable covering method, the complete LTE MIMO characteristics are achieved without changing the structure of the original indoor distribution system, and engineering reconstruction amount and construction cost are effectively reduced.

The invention provides a voltage coordination control method for decentralized wind power to be connected to a hybrid distribution network, which comprises the following steps: S1, acquiring operationstate parameters of the power network; S2, judging whether the voltage exceeds the limit or not, and if so, executing step S3, otherwises maintaining the current running state; 3, selecte a control target node; 4, calculating reactive power instruction by that voltage controller and distributing the reactive power instruction to each reactive power source; 5, re-judging that condition that the voltage exceed the limit, and if the voltage exceeds the limit, executing step S6, otherwise maintain the current running state; 6, judging whether that OLTC tap reaches the limit position, if not, changing the tap position, otherwise maintaining the current running state. The invention improves the voltage regulation range under the general AC/DC hybrid distribution network, can improve the voltagestability of the system, makes full use of the reactive power output capacity of the decentralized wind power and the VSC in the distribution network, reduces the equipment of the reactive power compensation device, delays the reconstruction and expansion of the distribution network, and improves the operation economy.

The invention provides a method and device for generating multiplication triad based on an elliptic curve, equipment and a medium, the method is suitable for a first participation node, and comprises the steps: selecting random non-negative integers x (1) and y (1), carrying out the homomorphic encryption processing of x (1) based on an elliptic curve, and obtaining a first ciphertext, sending the first ciphertext to another pre-selected participating node with random non-negative integers x(2) and y(2), so that the other participating node performs homomorphic number multiplication operation on the y(2) and the first ciphertext and then adds the product with a pre-selected second random number r(2) to obtain a first randomization result, and returning the first randomization result to the first participating node; and performing homomorphic decryption processing based on an elliptic curve on the first randomization result to obtain a first decryption result, then calculating a first product z (1) according to the first decryption result, and generating a first triad (x (1), y (1) and z (1)) according to the first product. According to the method, the multiplication triad can be generated on the elliptic curve cryptosystem, and the value space of the multiplication triad cannot be wasted.

The present invention provides a power supply system of improving the data center power supply grade and the UPS utilization rate. The power supply system comprises an automatic transfer switching (ATS) electric appliance which is connected with a first external power supply, a second external power supply and a plurality of UPS, each UPS is connected with a storage battery, and a data center comprises a power distribution array cabinet and a plurality of server cabinets. A server, a switch and two power distribution units (PDU) are arranged in each server cabinet, and the two PDUs are both connected with the server and the switch in the server cabinet. One UPS and the storage battery connected with the UPS are arranged at the bottom of each server cabinet, one PDU of each server cabinet is connected with the UPS arranged at the bottom of the server cabinet, and one PDU of each server cabinet is connected with one UPS outside the server cabinet.

A method for preparing metal powder by water atomization is disclosed. The method includes the steps of smelting, atomization, separation and drying, and the metal powder is freeze-dried in the drying step. Experiments show that freeze-drying is an important factor affecting oxygen content indexes of copper and copper alloys, and can be applied to the preparation of copper and copper alloy powder and even metal powder with low oxygen content. The method further considers all the details that may cause oxidation during the atomization process, and takes comprehensive measures to greatly reduce the probability of oxidization of copper and copper alloy powder, so that the oxygen content and oxidation of the water atomized powder are effectively reduced, and the water atomized powder is not easy to be oxidized during long-term storage.