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    • 1. 发明申请
    • PROCESS FOR PREPARING POWDER OF NIOBIUM SUBOXIDES OR NIOBIUM
    • 制备铌氧化物或铌的粉末的方法
    • US20090053132A1
    • 2009-02-26
    • US12196492
    • 2008-08-22
    • Wenfeng SHIXudong XIYong LIXueqing CHENWei WANG
    • Wenfeng SHIXudong XIYong LIXueqing CHENWei WANG
    • C01G33/00B22F9/20
    • C01G33/00B22F9/20B22F2998/10C01P2004/03C01P2006/10C01P2006/40C01P2006/80B22F1/0003B22F1/0085
    • The present invention relates to a process for preparing powders of niobium suboxides or niobium, wherein the process comprising: mixing the niobium oxides as raw material with reducing agent, conducting a reaction at a temperature in the range of 600˜1300° C. in an atmosphere of vacuum or inert gas or hydrogen gas, leaching the reaction product to remove the residual reducing agent and the oxides of the reducing agent and other impurities, heat treating at a temperature of the range of 1000˜1600° C. in an atmosphere of vacuum or inert gas, and screening to obtain the powders of niobium suboxide or niobium of capacitor grade. According to the present invention, the niobium oxides were directly reduced into capacitor grade niobium suboxides or niobium with reducing agents which can be easily removed by mineral acids, wherein the speed of the reaction can be controlled and the reaction can directly reduce the niobium oxides into capacitor grade niobium suboxides or niobium powder. According to the present invention, the process is simple with high yield and high productivity. The products obtained have good flowability, low impurities, uniform distribution of oxygen, and have good electrical properties.
    • 本发明涉及一种制备低氧化铌或铌粉末的方法,其中该方法包括:将作为原料的铌氧化物与还原剂混合,在600〜1300℃的温度范围内进行反应 气氛中的真空或惰性气体或氢气,浸出反应产物以除去残留的还原剂和还原剂的氧化物等杂质,在1000〜1600℃的温度范围内进行热处理,在 真空或惰性气体,并筛选得到电容器级的低氧化铌或铌粉末。 根据本发明,铌氧化物通过还原剂直接还原成电容器级铌低氧化物或铌,其可以通过无机酸容易地除去,其中可以控制反应速度,反应可以直接将铌氧化物还原成 电容器级铌粉或铌粉。 根据本发明,该方法简单,产率高,生产率高。 所得产品流动性好,杂质低,氧分布均匀,电性能好。
    • 5. 发明申请
    • BRUSH MOTOR
    • BRUSH电机
    • US20110012469A1
    • 2011-01-20
    • US12837688
    • 2010-07-16
    • Jian ZHAOYong LIYue LIMao Xiong JIANGLi Sheng LIU
    • Jian ZHAOYong LIYue LIMao Xiong JIANGLi Sheng LIU
    • H02K3/28
    • H02K23/26H02K3/28
    • A brush motor includes a stator with 2P magnetic poles and a rotor which includes a rotor core, a commutator and windings wound on the rotor core. The rotor core includes N teeth with a slot formed between adjacent teeth. The commutator includes M segments represented by Z1 . . . ZX . . . ZY . . . ZM, wherein M, N, P, Y and X are integers and M is odd and greater than N. Each winding includes a start connected to a segment ZX and an end connected to another segment ZY. Each winding includes at least one coil wound about a corresponding tooth or set of teeth. Some of the windings include a plurality of coils wound on different teeth. The total number of turns of the coils for each winding is substantially the same. A winding unit consisting of a plurality of windings is connected between each pair of adjacent segments. ZX and ZY satisfy the following equation: |Y−X|=(M±1)/P.
    • 电刷电动机包括具有2P磁极的定子和包括转子芯,换向器和缠绕在转子芯上的绕组的转子。 转子芯包括N个齿,其中相邻齿之间形成有槽。 换向器包括由Z1表示的M段。 。 。 ZX。 。 。 ZY。 。 。 ZM,其中M,N,P,Y和X是整数,并且M是奇数并且大于N.每个绕组包括连接到段ZX的起始端和连接到另一段ZY的端。 每个绕组包括缠绕在相应的齿或一组齿上的至少一个线圈。 一些绕组包括缠绕在不同齿上的多个线圈。 每个绕组的线圈的总匝数基本相同。 由多个绕组组成的绕组单元连接在每对相邻的段之间。 ZX和ZY满足下列公式:| Y-X | =(M±1)/ P。
    • 6. 发明申请
    • METHOD AND SYSTEM FOR PROCESSING DOPPLER SIGNAL GAPS
    • 用于处理多普勒信号GAPS的方法和系统
    • US20100106021A1
    • 2010-04-29
    • US12609762
    • 2009-10-30
    • Yong LI
    • Yong LI
    • A61B8/06A61B8/00
    • G01S15/8979G01S7/5206G01S7/52085
    • A method and system for processing Doppler signal gaps is disclosed. The method comprising the steps of: receiving Doppler signals during Doppler signal acquisition to obtain data of in-phase (I) component and quadrate (Q) component signals of the Doppler signals; receiving interruption of the Doppler signals; estimating the data of the Doppler signals interrupted in said gap period filling the interrupted Doppler signals with the data of the estimated Doppler signals so that the data of the I and Q component signals in said gap period are filled to form a continuous output; and generating Doppler spectrum data or Doppler sound based on the data of the filled I and Q component signals.
    • 公开了一种用于处理多普勒信号间隙的方法和系统。 该方法包括以下步骤:在多普勒信号采集期间接收多普勒信号以获得多普勒信号的同相(I)分量和正交(Q)分量信号的数据; 接收多普勒信号中断; 估计在所述间隙周期中中断的多普勒信号的数据,用所估计的多普勒信号的数据填充中断的多普勒信号,使得填充所述间隙周期中的I和Q分量信号的数据以形成连续输出; 并且基于填充的I和Q分量信号的数据产生多普勒频谱数据或多普勒声音。
    • 7. 发明申请
    • MEMORY CELL AND MEMORY
    • 存储单元和存储器
    • US20140056050A1
    • 2014-02-27
    • US14011606
    • 2013-08-27
    • Jun YANGHwong-Kwo LINHua CHENYong LIJu SHEN
    • Jun YANGHwong-Kwo LINHua CHENYong LIJu SHEN
    • G11C17/08
    • G11C17/08G11C7/20
    • In various embodiments, a memory cell and a memory are provided. The memory cell comprises a Static Random Access Memory (SRAM) cell including a reset-set (RS) flip-flop and a Read Only Memory (ROM) cell being connected (or coupled) to the SRAM cell to set logic states of internal latch nodes of the RS flip-flop when the ROM cell is triggered. The size of the memory cells proposed in an embodiment of the invention is much smaller than the sum of the size of ROM cells and the size of SRAM cells with the capacity of the memory cells same as the sum of the capacity of the ROM cells and the capacity of the SRAM cells.
    • 在各种实施例中,提供存储器单元和存储器。 该存储单元包括一个静态随机存取存储器(SRAM)单元,它包括复位(RS)触发器和只读存储器(ROM)单元,该单元被连接(或耦合)到SRAM单元以设置内部锁存器的逻辑状态 当触发ROM单元时,RS触发器的节点。 在本发明的实施例中提出的存储器单元的尺寸远小于ROM单元的尺寸和SRAM单元的尺寸的总和,其中存储器单元的容量与ROM单元的容量和 SRAM单元的容量。