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    • 33. 发明授权
    • Adaptive model predictive process control using neural networks
    • 自适应模型预测过程控制神经网络
    • US5659667A
    • 1997-08-19
    • US373736
    • 1995-01-17
    • Kevin L. BuescherChristopher C. BaumRoger D. Jones
    • Kevin L. BuescherChristopher C. BaumRoger D. Jones
    • G05B13/02G06N3/04G06N3/063G06F15/18
    • G05B13/027G06N3/049G06N3/063
    • A control system for controlling the output of at least one plant process output parameter is implemented by adaptive model predictive control using a neural network. An improved method and apparatus provides for sampling plant output and control input at a first sampling rate to provide control inputs at the fast rate. The MPC system is, however, provided with a network state vector that is constructed at a second, slower rate so that the input control values used by the MPC system are averaged over a gapped time period. Another improvement is a provision for on-line training that may include difference training, curvature training, and basis center adjustment to maintain the weights and basis centers of the neural in an updated state that can follow changes in the plant operation apart from initial off-line training data.
    • 用于控制至少一个工厂过程输出参数的输出的控制系统通过使用神经网络的自适应模型预测控制来实现。 一种改进的方法和装置提供以第一采样率对工厂输出和控制输入进行采样以便以快速率提供控制输入。 然而,MPC系统被提供有以第二较慢速率构造的网络状态向量,使得MPC系统使用的输入控制值在有间隙的时间段内被平均化。 另一个改进是在线培训的规定,其中可能包括差异训练,曲率训练和基准中心调整,以维持神经元的权重和基础中心在更新的状态,可以跟随植物操作的变化, 线路训练数据。
    • 35. 发明授权
    • Fuel cell with interdigitated porous flow-field
    • 具有交叉多孔流场的燃料电池
    • US5641586A
    • 1997-06-24
    • US568088
    • 1995-12-06
    • Mahlon S. Wilson
    • Mahlon S. Wilson
    • H01M8/02H01M8/10
    • H01M8/023H01M8/0245H01M2300/0082H01M8/0234
    • A polymer electrolyte membrane (PEM) fuel cell is formed with an improved system for distributing gaseous reactants to the membrane surface. A PEM fuel cell has an ionic transport membrane with opposed catalytic surfaces formed thereon and separates gaseous reactants that undergo reactions at the catalytic surfaces of the membrane. The fuel cell may also include a thin gas diffusion layer having first and second sides with a first side contacting at least one of the catalytic surfaces. A macroporous flow-field with interdigitated inlet and outlet reactant channels contacts the second side of the thin gas diffusion layer for distributing one of the gaseous reactants over the thin gas diffusion layer for transport to an adjacent one of the catalytic surfaces of the membrane. The porous flow field may be formed from a hydrophilic material and provides uniform support across the backside of the electrode assembly to facilitate the use of thin backing layers.
    • 聚合物电解质膜(PEM)燃料电池形成有用于将气态反应物分配到膜表面的改进系统。 PEM燃料电池具有其上形成有相对的催化表面的离子传输膜,并分离在膜的催化表面处经历反应的气态反应物。 燃料电池还可以包括具有第一侧和第二侧的薄气体扩散层,第一侧与第一侧接触至少一个催化表面。 具有相互交叉的入口和出口反应物通道的大孔流场接触薄气体扩散层的第二侧,用于将气态反应物之一分配在薄气体扩散层上,以输送到膜的相邻一个催化表面。 多孔流场可以由亲水材料形成,并且通过电极组件的背面提供均匀的支撑,以便于使用薄背衬层。
    • 37. 发明授权
    • Pseudolocal tomography
    • 伪局部断层扫描
    • US5539800A
    • 1996-07-23
    • US410620
    • 1995-03-24
    • Alexander J. KatsevichAlexander G. Ramm
    • Alexander J. KatsevichAlexander G. Ramm
    • G01N23/04G06F15/00
    • G01N23/046G01N2223/419Y10S378/901
    • Local tomographic data is used to determine the location and value of a discontinuity between a first internal density of an object and a second density of a region within the object. A beam of radiation is directed in a predetermined pattern through the region of the object containing the discontinuity. Relative attenuation data of the beam is determined within the predetermined pattern having a first data component that includes attenuation data through the region. The relative attenuation data is input to a pseudo-local tomography function, where the difference between the internal density and the pseudo-local tomography function is computed across the discontinuity. The pseudo-local tomography function outputs the location of the discontinuity and the difference in density between the first density and the second density.
    • 局部断层数据用于确定物体的第一内部密度和物体内区域的第二密度之间的不连续性的位置和值。 辐射束以预定的图案被引导穿过包含不连续性的物体的区域。 在具有包括通过该区域的衰减数据的第一数据分量的预定模式内确定光束的相对衰减数据。 将相对衰减数据输入到伪局部断层摄影功能,其中在不连续性之间计算内部密度和伪局部断层摄影功能之间的差异。 伪局部断层摄影功能输出第一密度和第二密度之间的不连续性的位置和密度差。
    • 38. 发明授权
    • Production of sodium-22 from proton irradiated aluminum
    • 从质子照射的铝生产钠-22
    • US5487880A
    • 1996-01-30
    • US160601
    • 1993-11-30
    • Wayne A. TaylorRichard C. HeatonDavid J. Jamriska
    • Wayne A. TaylorRichard C. HeatonDavid J. Jamriska
    • C22B26/10C01G57/00
    • C22B26/10
    • A process for selective separation of sodium-22 from a proton irradiated minum target including dissolving a proton irradiated aluminum target in hydrochloric acid to form a first solution including aluminum ions and sodium ions, separating a portion of the aluminum ions from the first solution by crystallization of an aluminum salt, contacting the remaining first solution with an anion exchange resin whereby ions selected from the group consisting of iron and copper are selectively absorbed by the anion exchange resin while aluminum ions and sodium ions remain in solution, contacting the solution with an cation exchange resin whereby aluminum ions and sodium ions are adsorbed by the cation exchange resin, and, contacting the cation exchange resin with an acid solution capable of selectively separating the adsorbed sodium ions from the cation exchange resin while aluminum ions remain adsorbed on the cation exchange resin is disclosed.
    • 一种用于从质子照射的铝靶上选择性分离钠-22的方法,包括将质子照射的铝靶溶解在盐酸中以形成包含铝离子和钠离子的第一溶液,通过结晶将一部分铝离子与第一溶液分离 的铝盐,使剩余的第一溶液与阴离子交换树脂接触,由此选择由铁和铜组成的组的离子被阴离子交换树脂选择性吸收,同时铝离子和钠离子保留在溶液中,使溶液与阳离子接触 交换树脂,由此阳离子交换树脂吸收铝离子和钠离子,并且使阳离子交换树脂与能够选择性地从阳离子交换树脂分离吸附的钠离子的酸溶液接触,同时铝离子保持吸附在阳离子交换树脂上 被披露。
    • 39. 发明授权
    • Circular, confined distribution for charged particle beams
    • 带电粒子束的圆形,有限分布
    • US5468965A
    • 1995-11-21
    • US303963
    • 1994-09-09
    • Robert W. GarnettM. Christian Dobelbower
    • Robert W. GarnettM. Christian Dobelbower
    • G21K1/093H01J37/04H01J37/14
    • G21K1/093H01J37/04H01J2237/04922
    • A charged particle beam line is formed with magnetic optics that manipulate the charged particle beam to form the beam having a generally rectangular configuration to a circular beam cross-section having a uniform particle distribution at a predetermined location. First magnetic optics form a charged particle beam to a generally uniform particle distribution over a square planar area at a known first location. Second magnetic optics receive the charged particle beam with the generally square configuration and affect the charged particle beam to output the charged particle beam with a phase-space distribution effective to fold corner portions of the beam toward the core region of the beam. The beam forms a circular configuration having a generally uniform spatial particle distribution over a target area at a predetermined second location.
    • 带电的粒子束线形成有磁光学器件,其操作带电粒子束以形成具有大致矩形构造的梁,其具有在预定位置处具有均匀粒子分布的圆形横截面。 第一磁性光学器件在已知的第一位置上形成在正方形平面区域上的大致均匀的粒子分布的带电粒子束。 第二磁光学接收具有大致正方形配置的带电粒子束,并且影响带电粒子束,以输出具有有效地折射束朝向光束核心区域的角部分的相位空间分布的带电粒子束。 波束形成在预定的第二位置处的目标区域上具有大致均匀的空间粒子分布的圆形构造。
    • 40. 发明授权
    • Chromosome characterization using single fluorescent dye
    • 染色体表征使用单一荧光染料
    • US5418169A
    • 1995-05-23
    • US218090
    • 1994-03-25
    • Harry A. CrissmanGregory T. Hirons
    • Harry A. CrissmanGregory T. Hirons
    • G01N21/64
    • G01N21/6428Y10S436/80Y10T436/143333
    • Chromosomes are characterized by fluorescent emissions from a single fluorescent dye that is excited over two different wavelengths. A mixture containing chromosomes is stained with a single dye selected from the group consisting of TOTO and YOYO and the stained chromosomes are placed in a flow cytometer. The fluorescent dye is excited sequentially by a first light having a wavelength in the ultraviolet range to excite the TOTO or YOYO to fluoresce at a first intensity and by a second light having a wavelength effective to excite the TOTO or YOYO dye to fluoresce at a second intensity. Specific chromosomes may be identified and sorted by intensity relationships between the first and second fluorescence emissions.
    • 染色体的特征在于来自在两种不同波长上被激发的单一荧光染料的荧光发射。 含有染色体的混合物用选自TOTO和YOYO的单一染料染色,将染色的染色体置于流式细胞仪中。 荧光染料依次通过具有紫外线范围波长的第一光激发以激发TOTO或YOYO以第一强度发荧光,并通过具有有效激发TOTO或YOYO染料的波长的第二光在一秒钟发荧光 强度。 可以通过第一和第二荧光发射之间的强度关系来鉴定和分类特定染色体。