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    • 2. 发明授权
    • Turbine vane for a gas turbine engine having serpentine cooling channels with internal flow blockers
    • 具有蛇形冷却通道和内部阻流器的燃气涡轮发动机的涡轮叶片
    • US08511968B2
    • 2013-08-20
    • US12540410
    • 2009-08-13
    • George LiangNan JiangZhihong Gao
    • George LiangNan JiangZhihong Gao
    • F01D5/18
    • F01D5/187F05D2240/126F05D2250/185F05D2260/221
    • A turbine vane for a gas turbine engine with an internal cooling system formed from a serpentine cooling channel with one or more flow blocking ribs is disclosed. The serpentine cooling channels may be configured to receive cooling fluids from internal cooling fluids supply channels. The serpentine cooling channels may include flow blocking ribs to form concurrent flow channels to reduce the cross-sectional area within the midchord region of the airfoil to maintain the internal through flow channel Mach number. The flow blocking ribs may include slots therein and may have any appropriate configuration. In at least one embodiment, the flow blocking ribs may be have a nonuniform taper or a uniformed taper.
    • 公开了一种具有内部冷却系统的燃气涡轮发动机的涡轮叶片,该内部冷却系统由具有一个或多个流动阻塞肋的蛇形冷却通道形成。 蛇形冷却通道可以被配置为从内部冷却流体供应通道接收冷却流体。 蛇形冷却通道可以包括阻流肋,以形成并流的流动通道,以减小翼型的中间区域内的横截面积,以维持内部通过流路的马赫数。 流动阻塞肋可以在其中包括槽,并且可以具有任何适当的构造。 在至少一个实施例中,阻流肋可以具有不均匀的锥形或均匀的锥形。
    • 5. 发明申请
    • SYSTEM AND METHOD FOR DETECTION OF DOMAIN-FLUX BOTNETS AND THE LIKE
    • 用于检测域网通网络的系统和方法
    • US20120084860A1
    • 2012-04-05
    • US12897494
    • 2010-10-04
    • Jin CaoLi LiNan Jiang
    • Jin CaoLi LiNan Jiang
    • G06F11/00
    • H04L63/1441H04L2463/144
    • In one embodiment, a method for detecting malicious software agents, such as domain-flux botnets. The method applies a co-clustering algorithm on a domain-name query failure graph, to generate a hierarchical grouping of hosts based on similarities between domain names queried by those hosts, and divides that hierarchical structure into candidate clusters based on percentages of failed queries having at least first- and second-level domain names in common, thereby identifying hosts having correlated queries as possibly being infected with malicious software agents. A linking algorithm is used to correlate the co-clustering results generated at different time periods to differentiate actual domain-flux bots from other domain-name failure anomalies by identifying candidate clusters that persist for relatively long periods of time. Persistent candidate clusters are analyzed to identify which clusters have malicious software agents, based on a freshness metric that characterizes whether the candidate clusters continually generate failed queries having new domain names.
    • 在一个实施例中,一种用于检测恶意软件代理的方法,例如域通量僵尸网络。 该方法在域名查询失败图上应用共同聚合算法,根据这些主机查询的域名之间的相似性生成主机的分层分组,并根据失败查询的百分比将该层次结构划分为候选集群 至少一级和二级域名,从而识别具有可能被恶意软件代理感染的相关查询的主机。 使用链接算法将在不同时间段产生的共聚集结果相关联,以通过识别持续相对较长时间段的候选聚类来区分实际的域通量bot与其他域名失败异常。 分析持续的候选聚类,以基于表征候选集群是否持续生成具有新域名的失败查询的新鲜度量来识别哪些集群具有恶意软件代理。
    • 10. 发明申请
    • PHOTOCATHODE WITH NANOMEMBRANE
    • 具有纳米薄膜的光刻胶
    • US20100102245A1
    • 2010-04-29
    • US12557792
    • 2009-09-11
    • Nan JiangRichard Lee Fink
    • Nan JiangRichard Lee Fink
    • H01J3/14H01J3/00
    • H01J1/34
    • Optical beam modulation is accomplished with the aid of a semiconductive nanomembrane, such as a silicon nanomembrane. A photocathode modulates a beam of charged particles that flow between the carbon nanotube emitter and the anode. A light source, or other source of electromagnetic radiation, supplies electromagnetic radiation that modulates the beam of charged particles. The beam of charged particles may be electrons, ions, or other charged particles. The electromagnetic radiation penetrates a silicon dioxide layer to reach the nanomembrane and varies the amount of available charge carriers within the nanomembrane, thereby changing the resistance of the nanomembrane. As the resistance of the nanomembrane changes, the amount of current flowing through the beam may also change.
    • 借助于半导体纳米膜,例如硅纳米膜,实现光束调制。 光电阴极调制在碳纳米管发射极和阳极之间流动的带电粒子束。 光源或其他电磁辐射源提供调制带电粒子束的电磁辐射。 带电粒子束可以是电子,离子或其它带电粒子。 电磁辐射穿透二氧化硅层到达纳米膜,并改变纳米膜内可用的电荷载体的量,从而改变纳米膜的电阻。 随着纳米膜的电阻变化,流过光束的电流量也可能改变。