Patent application number | Description | Published |
20100099833 | MAGNESIUM HALIDE COMPLEXES, CATALYST COMPONENTS AND CATALYSTS FOR OLEFIN POLYMERIZATION PREPARED THEREFROM - The component of magnesium halide adduct is represented by MgX | 04-22-2010 |
20130038853 | NANOMETER-PRECISION SIX-DEGREE-OF-FREEDOM MAGNETIC SUSPENSION MICRO-MOTION TABLE AND APPLICATION THEREOF - A nanometer precision six-DOF magnetic suspension micro-stage and the application thereof are provided which are mainly used in semiconductor photolithography devices. The micro-stage includes a cross support and four two-DOF actuators. Each 2-DOF actuator comprises a vertically polarized permanent magnet, a horizontal force coil and a vertical force coil; the permanent magnet being mounted on an end of the cross support, the horizontal force coil and the vertical force coil being arranged on a side of and below the permanent magnet respectively and being spaced apart from the permanent magnet; the cross support and four vertically polarized permanent magnets constitute a mover of the micro-stage; the horizontal force coil and the vertical force coil being fixed by a coil framework respectively and constituting a stator of the micro-stage; and the stator being mounted on a base of the micro-stage. A dual-wafer table positioning system of a photolithography machine may be constructed by two said micro-stages in combination with a two-DOF large stroke linear motor. The present invention features simple structure, large driving force, small mass and absence of cable disturbance, and is possible to realize high precision, high acceleration six-DOF micro-motion. | 02-14-2013 |
20130041120 | CATALYST COMPONENT FOR OLEFIN POLYMERIZATION REACTION AND CATALYST COMPRISING SAME - A catalyst component for olefin polymerization comprising magnesium, titanium, halogen and electron donor, wherein the electron donor is selected from at least one of the diol diester compounds, when the diol diester comprised contains a certain amount of isomer with Fischer projection formula as shown in Formula (II), the activity and stereospecificity of the catalyst are greatly improved, especially in the production of polymers with high melt index, the isotactic index of the obtained polymers is improved substantially. | 02-14-2013 |
20130225773 | CATALYST COMPONENT FOR OLEFIN POLYMERIZATION REACTION AND CATALYST THEREOF - A catalyst component for olefin polymerization which contains magnesium, titanium, halogen and electron donors is provided in the present invention. The electron donors are selected from at least one succinate compounds of following general formula (I), and the content of said succinate compounds with the structure as shown in Formula (II) in said succinate compounds (I) is less than 100%, but not less than 51.0 wt %. Compared with the mesomer whose content with the structure as shown in Formula (II) is 100%, the catalyst component provided by the present invention not only greatly decreases the manufacturing cost, but also improves certain properties of the catalyst, for example the molecular weight distribution of polymer obtained by catalytic reaction using said catalyst is wider, which is beneficial for improving processing properties of polymers. The corresponding catalyst is also provided. | 08-29-2013 |
20150126500 | PIPERAZINYL PYRIMIDINE DERIVATIVES, PREPARATION METHOD AND USE THEREOF - Provided are piperazinyl pyrimidine derivatives of formula I having CCR | 05-07-2015 |
20150189609 | Method and Device for Detecting Secondary Synchronous Signal, Computer Program and Storage Medium - The present invention provides a method and a device for detecting a secondary synchronous signal, a computer program and a storage medium. The method comprises: Step S1: extracting a first SSS sequence from a received signal according a PSS detection result; Step S2: performing rotation on the first SSS sequence, to obtain at least two second sequences including the first SSS sequence, channel paths corresponding to the at least two second sequences being located within a channel window in a time domain; Step S3: calculating a channel estimation result of each of the second sequences corresponding to each of SSS standard sequences; Step S4: selecting, according to the channel estimation result, valid channel paths corresponding to the respective SSS standard sequence from the channel paths corresponding to the second sequences; Step S5: calculating a signal-to-noise ratio corresponding to the respective SSS standard sequence according to the valid channel paths corresponding to the respective SSS standard sequence; and Step S6: determining a cell ID according to the SSS standard sequence corresponding to a maximum signal-to-noise ratio. According to the present invention, it is able to improve the accuracy of the SSS detection. | 07-02-2015 |
20160115257 | Catalyst component for olefin polymerization, catalyst, and use thereof - The present disclosure provides a solid catalyst component for olefin polymerization, comprising magnesium, titanium, a halogen, and an electron donor, wherein the electron donor is at least one selected from the group consisting of diol diester compounds as shown in Formula (I). The catalyst according to the present disclosure has significantly improved polymerization activity, hydrogen response, and stereoselectivity. According to the present disclosure, when the catalyst system containing a diol diester compound as shown in Formula (I) of the present disclosure is used in olefin polymerization, the catalyst shows good comprehensive performance, including high catalytic activity. In particular, in the presence of highly concentrated hydrogen, the catalyst has an improved hydrogen response and/or isotacticity of the polymers obtained can be significantly improved. The catalyst of the present disclosure is beneficial for obtaining polymers with a high melt index and high isotacticity, and for development of polymers of different grades. | 04-28-2016 |
20160135066 | Method and Device for Calculating Reference Signal Received Power - The present invention provides a method and a device for calculating RSRP. The method comprises the steps of: calculating a first signal power estimation value, the first signal power estimation value being an average value of power of all received RSs; calculating a second signal power estimation value, the second signal power estimation value being an average value of power of all coherence blocks, and the power of each coherence block being the power of an average value of the channel estimation for all the RSs in the coherence block; determining a noise power estimation value according to the first signal power estimation value and the second signal power estimation value; and determining the RSRP according to the first signal power estimation value and the noise power estimation value, or according to the second signal power estimation value and the noise power estimation value. | 05-12-2016 |