ACCESS CONTROL SYSTEM WITH RULES ENGINE ARCHITECTURE

As access control system and method is provided. The access control system in one aspect may comprise a client application operable to provide a user interface for allowing a user to dynamically configure rules and associated parameters for controlling access to an entity; a rules engine proxy operable to receive said rules and associated parameters from the client application, the rules engine proxy further operable to dynamically compile and execute said rules; and a controller coupled to the rules engine proxy operable to receive input and further operable to trigger the rules engine proxy to execute one or more of said rules in response to the received input ...

Catalyst for polymerization of olefins comprising thienyl-substituted silanes

Disclosed is a catalyst for the polymerization of olefins comprising thienyl-substituted silanes, which comprises a solid titanium catalyst component containing titanium, magnesium and a halogen as the main components, an alkylaluminum compound, and a component of organosiloxane compound comprising two thienyl as substituents represented by general formula (I). The molar ratio of each catalyst component is 1:50-150:5-50 based on titanium:aluminum:silicon. When the catalyst is used in the polymerization of propylene, the polymerisate obtained has a very high degree of isotacticity, and the yield is high.

Method and system for detecting and tracking objects using characteristic points

A method includes obtaining a disparity map based on stereoscopic image frames captured by stereoscopic cameras borne on a movable platform, determining a plurality of continuous regions in the disparity map that each includes a plurality of elements having disparity values within a predefined range, identifying a continuous sub-region including one or more elements having a highest disparity value among the elements within each continuous region as an object, and determining a distance between the object and the movable platform using at least the highest disparity value.

Access control system with rules engine architecture

As access control system and method is provided. The access control system in one aspect may comprise a client application operable to provide a user interface for allowing a user to dynamically configure rules and associated parameters for controlling access to an entity; a rules engine proxy operable to receive said rules and associated parameters from the client application, the rules engine proxy further operable to dynamically compile and execute said rules; and a controller coupled to the rules engine proxy operable to receive input and further operable to trigger the rules engine proxy to execute one or more of said rules in response to the received input.

Method and device of cell search for mobile terminal in tdd-cdma system

A cell-searching method and device for a mobile terminal in TDD-CDMA system, in which the mobile uses the special power pulse of using the downlink pilot slot (DwPTS) to acquire coarse synchronization before using conventional correlation cell searching to refine the search. Due to the coarse synchronization, the conventional correlation cell search can be limited to a narrow time window. So the cell searching complexity and searching time in the TDD-CDMA system, especially TD-SCDMA decrease greatly.

Power consumption sensing for power over ethernet (PoE) power sourcing equipment (PSE) system

A system includes a power sourcing equipment (PSE) unit. The PSE unit includes a plurality of network ports. The PSE unit also includes a PSE board coupled to the plurality of network ports and configured to provide power to a plurality of powered devices (PDs) external to the PSE unit via respective network ports. The PSE unit also includes a sensing circuit configured to determine a power consumption parameter for the PSE board. The PSE unit also includes a controller configured to change a power state for at least one of the plurality of network ports based at least in part on the power consumption parameter.

CATALYST FOR POLYMERIZATION OF OLEFINS COMPRISING THIENYL-SUBSTITUTED SILANES

Disclosed is a catalyst for the polymerization of olefins comprising thienyl-substituted silanes, which comprises a solid titanium catalyst component containing titanium, magnesium and a halogen as the main components, an alkylaluminum compound, and a component of organosiloxane compound comprising two thienyl as substituents represented by general formula (I). The molar ratio of each catalyst component is 1:50-150:5-50 based on titanium:aluminum:silicon. When the catalyst is used in the polymerization of propylene, the polymerisate obtained has very high degree of isotacticity, and the yield is high. 2. The olefin polymerization catalyst comprising thienyl-substituted silane according to claim 1 , wherein in General Formula (I) representing the organosiloxane compound comprising two thienyl substituents claim 1 , Rto Rare the same or different claim 1 , and are selected from hydrogen claim 1 , methyl claim 1 , ethyl claim 1 , propyl or isopropyl.3. The olefin polymerization catalyst comprising thienyl-substituted silane according to claim 1 , wherein in General Formula (I) representing the organosiloxane compound comprising two thienyl substituents claim 1 , Rand Rare the same or different claim 1 , and are methyl or ethyl.4. The olefin polymerization catalyst comprising thienyl-substituted silane according to claim 1 , wherein the organosiloxane compound comprising two thienyl substituents is synthesized as follows: with protection of an inert gas claim 1 , magnesium powder claim 1 , halogenated thiophene and a tetrahydrofuran solvent are mixed and refluxed claim 1 , followed by addition of an iodine initiator until the reaction gets severe; after the reaction is stable claim 1 , a mixed solution containing halogenated thiophene claim 1 , tetrahydrofuran and tetraalkoxysilane is added slowly claim 1 , heated claim 1 , stirred and refluxed for a period of time claim 1 , then cooled slowly to room temperature claim 1 , filtered claim 1 , washed claim 1 , and ...

Micro/nano particle reinforced composite solder and preparation method therefor

A micro/nanoparticle-reinforced composite solder for low-temperature soldering and a preparation method thereof belong to the manufacturing field of lead-free low-temperature soldering solders. Micro/nanoparticle-reinforced tin-based alloy solder powder is formed by diffusely mixing micro/nano-sized Cu, Ag and Sb particles with a molten metal tin and atomizing the mixture, and then blended with low-melting-point SnBi-based alloy solder powder and a conventional flux to prepare a micro/nanoparticle-reinforced composite solder. In soldering at a temperature below 200° C., tin atoms in the molten micro/nanoparticle-reinforced tin-based alloy form an intermetallic compound on a soldering pan in preference to the low-melting-point SnBi-based alloy, and the micro/nanoparticles are dispersed in soldered joints to form a “separator effect”, which blocks atoms in the SnBi-based alloy from being precipitated and bonded with the soldering pan, thereby inhibiting the growth of a Bi-rich layer, and ...

MICRO/NANO PARTICLE REINFORCED COMPOSITE SOLDER AND PREPARATION METHOD THEREFOR

A micro/nanoparticle-reinforced composite solder for low-temperature soldering and a preparation method thereof belong to the manufacturing field of lead-free low-temperature soldering solders. Micro/nanoparticle-reinforced tin-based alloy solder powder is formed by diffusely mixing micro/nano-sized Cu, Ag and Sb particles with a molten metal tin and atomizing the mixture, and then blended with low-melting-point SnBi-based alloy solder powder and a conventional flux to prepare a micro/nanoparticle-reinforced composite solder. In soldering at a temperature below 200° C., tin atoms in the molten micro/nanoparticle-reinforced tin-based alloy form an intermetallic compound on a soldering pan in preference to the low-melting-point SnBi-based alloy, and the micro/nanoparticles are dispersed in soldered joints to form a “separator effect”, which blocks atoms in the SnBi-based alloy from being precipitated and bonded with the soldering pan, thereby inhibiting the growth of a Bi-rich layer, and solving the problem of brittle and unreliable soldered joints in lead-free low-temperature soldering. 1. A micro/nanoparticle-reinforced composite solder for low-temperature soldering , comprising the following components by mass percentage:50-80% of low-melting-point SnBi-based alloy solder powder;10-40% of micro/nanoparticle-reinforced tin-based alloy solder powder, the micro/nanoparticle-reinforced tin-based alloy solder powder being an alloy powder formed by diffusely mixing one or two of micro/nano-sized Cu, Ag and Sb particles with a molten metal Sn and atomizing the mixture; anda balance amount of a flux.2. The micro/nanoparticle-reinforced composite solder according to claim 1 , whereinthe micro/nanoparticle-reinforced composite solder comprises the following components by mass percentage: 60-70% of low-melting-point SnBi-based alloy solder powder, 10-30% of micro/nanoparticle-reinforced tin-based alloy solder powder, and a balance amount of a flux;the low-melting-point SnBi- ...

Power Consumption Sensing for Power over Ethernet (PoE) Power Sourcing Equipment (PSE) System

A system includes a power sourcing equipment (PSE) unit. The PSE unit includes a plurality of network ports. The PSE unit also includes a PSE board coupled to the plurality of network ports and configured to provide power to a plurality of powered devices (PDs) external to the PSE unit via respective network ports. The PSE unit also includes a sensing circuit configured to determine a power consumption parameter for the PSE board. The PSE unit also includes a controller configured to change a power state for at least one of the plurality of network ports based at least in part on the power consumption parameter. 1. A system that comprises: a plurality of network ports;', 'a PSE board coupled to the plurality of network ports and configured to provide power to a plurality of powered devices (PDs) external to the PSE device via respective network ports;', 'a sensing circuit configured to determine a power consumption parameter for the PSE board;', 'a controller configured to change a power state for at least one of the plurality of network ports based at least in part on the power consumption parameter., 'a power sourcing equipment (PSE) unit, the PSE unit comprising2. The system of claim 1 , wherein the controller is configured to change the power state for at least one of the plurality of network ports based on a PD or network port prioritization scheme.3. The system of claim 2 , wherein the PDs include at least one security device and at least one non-security device claim 2 , and wherein the prioritization scheme prioritizes the at least one security device over the at least one non-security device security.4. The system of claim 3 , wherein the at least one security device comprises a security camera.5. The system of claim 2 , further comprising a computer or host processor configured to display PSE system configuration options to a user and to update the prioritization scheme based on user input.6. The system of claim 1 , wherein the sensing circuit comprises a ...

Method and system for detecting and tracking objects using characteristic points

A method includes identifying an object in a disparity map to be tracked by a movable platform, determining positions of a plurality of elements representing the object in a first image frame captured by an imaging device carried by the movable platform, selecting one or more characteristic points of the plurality of elements representing the object as tracking points of the object in the first image frame, and updating, according to an updated disparity map and a current location of the movable platform, locations of the tracking points of the object in a second image frame captured by the imaging device.

CONTROL METHOD, CONTROL DEVICE AND ELECTRONIC DEVICE

A control method includes receiving status information of the aerial vehicle, obtaining a flight path of the aerial vehicle based on the status information, and displaying a three-dimensional (3D) dynamic icon corresponding to the flight path. 1. A control method comprising:receiving status information of an aerial vehicle;obtaining, based on the status information, a flight path of the aerial vehicle; anddisplaying a three-dimensional (3D) dynamic icon corresponding to the flight path.2. The method of claim 1 , further comprising:adjusting, based on the flight path, a display path of the 3D dynamic icon.3. The method of claim 1 , wherein:the status information includes a planned path in an autonomous flight mode; andobtaining the flight path of the aerial vehicle includes retrieving the planned path from the status information.4. The method of claim 1 , wherein:the status information includes a future path predicted by the aerial vehicle in a manually controlled flight mode; andobtaining the flight path of the aerial vehicle includes retrieving the future path from the status information.5. The method of claim 1 , wherein:the status information includes a real-time path of the aerial vehicle in a manually controlled flight mode; andobtaining the flight path of the aerial vehicle includes retrieving the real-time path from the status information and predicting a future path of the aerial vehicle based on the real-time path.6. The method of claim 1 , wherein the 3D dynamic icon is arrow-shaped claim 1 , and gradually becomes narrower in a depth direction of the display.7. The method of claim 1 , wherein the 3D dynamic icon is in one or more bright colors.8. The method of claim 1 , wherein:the 3D dynamic icon includes a plurality of sub-arrows that are arranged sequentially and separated from each other; andthe sub-arrows of the 3D dynamic icon fade away one by one into a flying direction of the aerial vehicle.9. The method of claim 1 ,wherein the status information ...

Method and system for detecting and tracking objects using characteristic points

A method includes obtaining a disparity map based on stereoscopic image frames captured by stereoscopic cameras borne on a movable platform, determining a plurality of continuous regions in the disparity map that each includes a plurality of elements having disparity values within a predefined range, identifying a continuous sub-region including one or more elements having a highest disparity value among the elements within each continuous region as an object, and determining a distance between the object and the movable platform using at least the highest disparity value.

Cinnamomum camphorate processing is with cinnamomum camphora leaf comminution device

本实用新型公开了一种乙酸芳樟酯加工用芳樟叶切碎装置，包括机体壳和刀轴，所述机体壳的下方安装有切碎箱，所述切碎箱的下方安装有传输箱，所述机体壳的两侧外壁上均安装有电动推杆，所述电动推杆的输出端通过活动杆穿过并延伸至机体壳的内部安装有压缩板，所述刀轴通过安装槽安装在所述切碎箱一侧内壁上安装的转轴上，且转轴连接与所述切碎箱外部安装的电机的输出端上，所述刀轴的外表面安装有切割刀片，所述传输箱的内部通过活动辊安装有传送带。本实用新型通过在内安装有筛网，从而在对芳樟叶进行切割后，筛网可对芳樟叶碎屑的大小进行筛选，从而可筛选出一些未得到有效切割的芳樟叶，进行重新切割，有效保证了切割效果。

Access control system with rules engine architecture

An access control system and method is provided. The access control system in one aspect may comprise a client application operable to provide a user interface for allowing a user to dynamically configure rules and associated parameters for controlling access to an entity; a rules engine proxy operable to receive said rules and associated parameters from the client application, the rules engine proxy further operable to dynamically compile and execute said rules; and a controller coupled to the rules engine proxy operable to receive input and further operable to trigger the rules engine proxy to execute one or more of said rules in response to the received input.

一种桉叶素精馏装置

本实用新型公开了一种桉叶素精馏装置，包括精馏塔壳体，所述精馏塔壳体的上表面焊接有防护壳，所述防护壳的内部固定安装有驱动电机，所述驱动电机的输出轴与转轴的顶端固定连接，所述转轴穿过精馏塔壳体上表面卡接的轴承延伸至精馏塔壳体内部，所述转轴的外表面固定安装有若干个搅拌臂，所述转轴的外表面还固定安装有固定环；通过驱动电机带动转轴转动，进而带动转轴上的搅拌臂转动，从而可以对桉叶素溶液进行搅拌使其受热更加均匀，同时提升了加热效率，同时转轴转动时带动固定环同步转动，固定环通过连接杆带动刮板转动对精馏塔壳体内壁进行刮除，有效避免油状的桉叶素溶液粘附在精馏塔壳体内部，避免了后期的清理作业。

智慧卡的密鑰管理方法、系統及對應的智慧卡

本發明提供一種用於智慧卡的密鑰管理方法，所述方法包括為所述智慧卡不同應用中的每一個設置關聯記錄，其中各應用至少對應一條關聯記錄；以及對每一條關聯記錄採用密鑰管理機制。

Transgenic 'knock out' mice expressing a human apolipoprotein e

A transgenic nonhuman animal that expresses the human Apo E isoform Apo E2, Apo E3 or Apo E4 but is essentially incapable of expressing endogenous Apo E. Additionally, animals that express more than one of these isoforms are produced by selectively breeding the transgenic animals expressing the different Apo E isoforms disclosed herein. Thus, the present invention allows, among other things, the study of the effects of different combinations of human Apo E isoform expression on normal brain biology, development, function, ageing and injury.

A method and device of cell search for mobile terminal in tdd-cdma system

Method and device of cell search for mobile terminal in TDD/CDMA system

A method and device of cell search for mobile terminal in tdd-cdma system

A cell-searching method and device for a mobile terminal in TDD-CDMA system, in which the mobile uses the special power pulse of using the downlink pilot slot (DwPTS) to acquire coarse synchronization before using conventional correlation cell searching to refine the search. Due to the coarse synchronization, the conventional correlation cell search can be limited to a narrow time window. So the cell searching complexity and searching time in the TDD-CDMA system, especially TD-SCDMA decrease greatly.

Transgenic "knock out" mice expressing a human apolipoprotein_E

太陽能電子標籤

A method and device of cell search for mobile terminal in tdd-cdma system

A cell-searching method and device for a mobile terminal in TDD-CDMA system, in which the mobile uses the special power pulse of using the downlink pilot slot (DwPTS) to acquire coarse synchronization before using conventional correlation cell searching to refine the search. Due to the coarse synchronization, the conventional correlation cell search can be limited to a narrow time window. So the cell searching complexity and searching time in the TDD-CDMA system, especially TD-SCDMA decrease greatly.

太陽能智慧手環

太陽能信標

太陽能遙控器

Ultra-high temperature resistant cement slurry system for cementing and preparation method and use thereof

The present disclosure provides an ultra-high temperature resistant cement slurry system for cementing and the preparation method and use thereof. The cement slurry system comprises cement, an ultra-high temperature strength stabilizer, an ultra-high temperature reinforcing material, a density regulator, an ultra-high temperature suspension stabilizer, a dispersant, a fluid loss additive, a retarder, a defoaming agent and water, wherein the ultra-high temperature suspension stabilizer comprises an ether-based starch, an aluminosilicate and a polyalcohol polymer. The method for preparing the cement slurry system includes dry mixing and wet mixing raw materials homogeneously, respectively, and then homogeneously mixing the dry mix and wet mix to obtain the cement slurry system. The present disclosure further provides use of the cement slurry system for cementing in deep wells and ultra-deep wells at high and ultra-high temperatures. The ultra-high temperature resistant cement slurry system for cementing provided by the present disclosure has a strong temperature resistance, a wide applicable range, and an excellent settlement stability. It can prevent the decline of strength of cement stone at high temperature, ensure the cementing and sealing effect and improve the cementing quality.