摘要:
Disclosed is a method for preparing 1-octene in the presence of a catalyst system for ethylene oligomerization, which includes: premixing a part of ethylene gas as raw material with a solvent, mixing with the components a+b, c and d of the catalyst system, and then sending in a reactor; directly sending the rest of ethylene gas in the reactor; discharging the resultant liquid from the upper part of the reactor into an overflow channel; adding a catalysis stopping agent to the overflow channel; and then separating the resultant liquid. The advantages of the method are high selectivity of 1-octene and high catalytic activity.
摘要:
A capacity and density enhancement circuit for a sub-threshold memory unit array which can decrease the drain current in the bit lines and enhance the pull-up capability of memory cells. The capacity and density enhancement circuit is composed of a first enhancement transistor, a second enhancement transistor, a first mask transmission gate, a second mask transmission gate, a first logic memory capacitor and a second logic memory capacitor.
摘要:
A modem includes a dynamic host configuration protocol (DHCP) module, a point-to-point protocol over Ethernet (PPPoE) module, and a network monitor module. The DHCP module automatically establishes a DHCP connection over a communication network, and generates a first notification signal after the DHCP connection is established. The PPPoE module automatically establishes a PPPoE connection over the communication network and automatically configures parameters of an Internet access service over the communication network and generates a second notification signal after the PPPoE connection is established. The network monitor module determines current network properties of the communication network upon receipt of the first notification signal and/or the second notification signal, and selectively configures parameters of the Internet access service and a voice over Internet protocol (VoIP) service.
摘要:
An empirical diffraction based overlay (eDBO) measurement of an overlay error is produced using diffraction signals from a plurality of diffraction based alignment pads from an alignment target. The linearity of the overlay error is tested using the same diffraction signals or a different set of diffraction signals from diffraction based alignment pads. Wavelengths that do not have a linear response to overlay error may be excluded from the measurement error.
摘要:
The invention provides a network communication security processor and its data processing method, the security processor comprising: a data communication interface for transferring a communication data packet between the network communication security processor and an external network; a secure connection database for storing the security policy and secure connection parameters relevant to the data packet; a secure connection database operating engine for operating and maintaining the secure connection database; a multi-channel security processing engine for performing security processing on the data packet by invoking an encryption operation module; and the encryption operation module for performing encryption/decryption operations on the data packet. The invention, on the one hand, guarantees the high-speed capability of the data packet security processing, on the other hand, makes the central processor free from the security processing operations of every particular data packet and focused on the implementation of high level protocols, thus reducing the difficulty of the system development and enhancing the system reliability.
摘要:
Asymmetry metrology is performed using at least a portion of Mueller matrix elements, including, e.g., the off-diagonal elements of the Mueller matrix. The Mueller matrix may be generated using, e.g., a spectroscopic or angle resolved ellipsometer that may include a rotating compensator. The Mueller matrix is analyzed by fitting at least a portion of the elements to Mueller matrix elements calculated using a rigorous electromagnetic model of the sample or by fitting the off-diagonal elements to a calibrated linear response. The use of the Mueller matrix elements in the asymmetry measurement permits, e.g., overlay analysis using in-chip devices thereby avoiding the need for special off-chip targets.
摘要:
The present invention provides for the detection of abnormal user behavior for a query session of an electronic search engine. A query session is initiated upon receipt of a user search request that includes one or more search terms. The search engine, in accordance with known search technology, generates a search results page that includes various hyperlinks, including for example web content hyperlinks, page navigation hyperlinks and advertising hyperlinks. Tracking user activities generates the clickstream associated with the search results page. The present invention determines a probability score for the clickstream and then this score is normalized. A comparison of the normalized probability score with other normalized probability scores for similar query sessions determines of the normalcy of the query session.
摘要:
A slider assembly includes a first slider (20) with a resiliently deformable positioning member (30) secured thereon, a second slider (40) slidably installed on the first slider, and a sliding member (50) slidably secured on the second slider and positioned between the first slider and the second slider. A protrusion (36) protrudes from the positioning member. The protrusion defines a receiving slot (362) therein. A restricting tab (46) protrudes from the second slider. A protrusion (52) protrudes from the sliding member. The sliding member defines a through slot (522) through the protrusion thereof for the restricting tab sliding therein. The sliding member is slidable to disengage the second slider from the first slider.
摘要:
A no-mess water-based ink including a composition including water, an organic solvent, a coloring agent dissolved in the organic solvent and an emulsifier for use in conjunction with a specially treated substrate containing a color developer.
摘要:
A method for automatically configuring terminal equipment improves the performance of configuring and managing the terminal equipment. The method includes: after being powered on/reset, the terminal equipment reporting the current configuration information to the terminal management unit; the terminal management unit determining whether the configuration information reported by the terminal equipment is the same as the configuration information for the terminal equipment stored in the terminal management unit, if it is the same, terminating the current process, otherwise, transmitting the configuration information for the terminal equipment in the terminal management unit to the terminal equipment; the terminal equipment hence updating its own configuration information according to the received configuration information.