公开(公告)号：US20090100082A1

公开(公告)日：2009-04-16

申请号：US11873410

申请日：2007-10-16

申请人： David Kogan ,  Rajendra S. Pingte ,  Chao Liang ,  Yujie Cao

发明人： David Kogan ,  Rajendra S. Pingte ,  Chao Liang ,  Yujie Cao

IPC分类号： G06F17/30

CPC分类号： G06F17/30501 ,  G06F9/5016

摘要： Techniques for migrating duration trees from a source database server (or instance) to a destination database server (or instance) are provided. A duration is a memory management construct that allows database components to group related areas of memory together. A source duration tree is captured at the source database server and combined with a destination duration tree at the destination database server. Any duration identifiers in the source duration tree that conflict with (i.e., are the same as) a duration identifier in the destination duration tree are mapped to new duration identifiers.

摘要翻译： 提供了将持续时间树从源数据库服务器（或实例）迁移到目标数据库服务器（或实例）的技术。 持续时间是一种内存管理结构，允许数据库组件将相关的内存区域组合在一起。 在源数据库服务器上捕获源持续时间树，并与目标数据库服务器上的目标持续时间树组合。 在源持续时间树中与目标持续时间树中的持续时间标识符冲突（即，与之相同）的任何持续时间标识符被映射到新的持续时间标识符。

公开(公告)号：US07415470B2

公开(公告)日：2008-08-19

申请号：US11131653

申请日：2005-05-17

申请人： Ravikanth Kasamsetty ,  Ravi Koti ,  Sanjay H. Kaluskar ,  Chao Liang

发明人： Ravikanth Kasamsetty ,  Ravi Koti ,  Sanjay H. Kaluskar ,  Chao Liang

IPC分类号： G06F7/00 ,  G06F17/30

CPC分类号： G06F9/5088 ,  G06F9/546 ,  H04L67/14 ,  Y10S707/99942 ,  Y10S707/99953

摘要： A method and apparatus for migrating the session state of an original session from a first node to a second node, such that a process, executing in the migrated session, may enqueue and dequeue messages from a queue of messages and experience the same behavior from the queue of messages as if the process was enqueuing and dequeuing messages in the original session. Advantageously, all the benefits of migrating a session from one node to another node may be realized, even when the session contains queuing state information that describes the state of a queue of messages. Data that indicates how many messages one or more subscribers have removed from the queue of messages may also be stored to preserve proper behavior of the queue of messages for multiple subscribers when sessions are migrated.

摘要翻译： 一种用于将原始会话的会话状态从第一节点迁移到第二节点的方法和装置，使得在迁移的会话中执行的进程可以从消息队列中排队和出列消息，并且经历相同的行为 消息队列就好像进程在原始会话中排队和排队消息一样。 有利地，即使当会话包含描述消息队列的状态的排队状态信息时，也可以实现将会话从一个节点迁移到另一个节点的所有好处。 指示一个或多个订户已经从消息队列中移除多少消息的数据也可被存储，以便在会话被迁移时保留多个订户的消息队列的适当行为。

公开(公告)号：US20080097995A1

公开(公告)日：2008-04-24

申请号：US11800122

申请日：2007-05-03

申请人： Karl Dias ,  Leonidas Galanis ,  Jonathan Klein ,  Venkateshwaran Venkataramani ,  Yujun Wang ,  Richard Sarwal ,  Leng Tan ,  Graham Wood ,  Benoit Dageville ,  Chao Liang ,  Sanjay Kaluskar

发明人： Karl Dias ,  Leonidas Galanis ,  Jonathan Klein ,  Venkateshwaran Venkataramani ,  Yujun Wang ,  Richard Sarwal ,  Leng Tan ,  Graham Wood ,  Benoit Dageville ,  Chao Liang ,  Sanjay Kaluskar

IPC分类号： G06F17/30

CPC分类号： G06F17/30377

摘要： A method and apparatus for capturing database system workload and replaying that workload in a database system is provided. According to one aspect, in order to subject a test database system to the same workload to which the production database system actually would be subjected, a database server in the production system captures and records workload that the database server receives from external entities. This captured workload is processed. Processes external to a database server in the test database system send the processed workload to that database server. As a result, the test database system is subjected to the same workload to which the production database system originally was subjected. The foregoing technique permits a database administrator to determine how the production database system will fare if the difference that is present in the test database system is introduced into the production database system.

摘要翻译： 提供了一种用于捕获数据库系统工作负载并在数据库系统中重播该工作负载的方法和装置。 根据一个方面，为了使测试数据库系统处于生产数据库系统实际受到的相同工作负载，生产系统中的数据库服务器捕获并记录数据库服务器从外部实体接收的工作负载。 处理此捕获的工作负载。 测试数据库系统中数据库服务器外部的进程将处理的工作负载发送到该数据库服务器。 因此，测试数据库系统受到生产数据库系统最初遭受的相同工作量的影响。 如果将测试数据库系统中存在的差异引入到生产数据库系统中，则上述技术允许数据库管理员确定生产数据库系统将如何展示。

公开(公告)号：US20060056413A1

公开(公告)日：2006-03-16

申请号：US10942118

申请日：2004-09-14

申请人： Nancy Ikeda ,  Ashwinder Ahluwalia ,  Chao Liang ,  Krishnan Meiyyappan ,  Sreenivas Gollapudi ,  Lakshminarayanan Chldambaran

发明人： Nancy Ikeda ,  Ashwinder Ahluwalia ,  Chao Liang ,  Krishnan Meiyyappan ,  Sreenivas Gollapudi ,  Lakshminarayanan Chldambaran

IPC分类号： H04L12/56 ,  H04L12/54

CPC分类号： G06F9/546 ,  G06F9/547 ,  G06F2209/548

摘要： A computer-implemented method of streaming a plurality of messages from a source queue to at least one destination queue over a computer network. The method may include steps of generating a remote procedure call, the remote procedure being configured to encapsulate at least header data, message data for each of the plurality of messages and an end of batch token, the header data being common to each of the plurality of messages and including an identification of the at least one destination queue, the end of batch token signaling that no further message data follows; sending the generated remote procedure call over the computer network to the destination queue identified in the header data, and dequeueing at least the message data for each of the plurality of messages from the source queue and streaming the dequeued messages over the network, and successively enqueueing each streamed message data into the at least one destination queue identified by the header data until the end of batch token is received.

公开(公告)号：US11953159B2

公开(公告)日：2024-04-09

申请号：US17517031

申请日：2021-11-02

申请人： Chao Liang ,  Seth A. Potratz ,  Lee J. Rosen ,  Hanfei Tuo ,  Rui Ma

发明人： Chao Liang ,  Seth A. Potratz ,  Lee J. Rosen ,  Hanfei Tuo ,  Rui Ma

IPC分类号： F17C7/04 ,  F17C13/02

CPC分类号： F17C7/04 ,  F17C13/026 ,  F17C2250/032 ,  F17C2250/0439

摘要： A cryogenic vaporization system and a method for controlling the system are provided. The system includes a first vaporizer arrangement and a second vaporizer arrangement configured for receiving a liquid cryogen and outputting a superheated vapor. The second vaporizer arrangement is connected in parallel with the first vaporizer arrangement, and includes one or more banks of ambient air vaporizer (AAV) units or loose fill media with a high heat capacity. The second vaporizer arrangement has a different configuration than that of the first vaporizer arrangement. The system further includes at least one control valve controlling provision of the liquid cryogen to at least one of the first vaporizer arrangement and the second vaporizer arrangement.

公开(公告)号：US20220395203A1

公开(公告)日：2022-12-15

申请号：US17806899

申请日：2022-06-14

申请人： Hanqing Jiang ,  Chao Liang

发明人： Hanqing Jiang ,  Chao Liang

IPC分类号： A61B5/15 ,  A61B5/155 ,  A61B5/157 ,  G01N27/327

摘要： Methods, systems, and apparatus, including biological fluid monitoring systems comprising a microneedle layer; at least one electromagnet assembly; and at least two liquid chambers coupled via a microfluidic layer, wherein the microneedle layer comprises a plurality of microneedles configured to extract interstitial fluid (ISF) from a patient in to one of the at least two liquid chambers, and wherein the at least one electromagnet assembly is configured to a move a test sample of the extracted ISF through the at least two liquid chambers to conduct a test cycle.

公开(公告)号：US20220290815A1

公开(公告)日：2022-09-15

申请号：US17516984

申请日：2021-11-02

申请人： Hanfei Tuo ,  Chao Liang ,  Maulik R. Shelat ,  Sang Muk Kwark ,  Seth A. Potratz

发明人： Hanfei Tuo ,  Chao Liang ,  Maulik R. Shelat ,  Sang Muk Kwark ,  Seth A. Potratz

IPC分类号： F17C9/02

摘要： A cryogenic vaporization system and method are provided. A first heat exchanger heats a liquid cryogen via indirect heat exchange to output a cryogenic vapor at a first temperature. A second heat exchanger receives the cryogenic vapor at the first temperature. The second heat exchanger heats the cryogenic vapor via indirect heat exchange to a second temperature. The cryogenic vapor at the second temperature is recirculated to the first heat exchanger to heat the liquid cryogen and cool the recirculated cryogenic vapor to a third temperature. A third heat exchanger receives the cryogenic vapor at the third temperature. The third heat exchanger heats the cryogenic vapor to a fourth temperature. The third heat exchanger outputs the cryogenic vapor at the fourth temperature.

公开(公告)号：US09011719B2

公开(公告)日：2015-04-21

申请号：US13698997

申请日：2010-10-09

申请人： Jinhua He ,  Xiaoming Teng ,  Chao Liang ,  Yibing Fu

发明人： Jinhua He ,  Xiaoming Teng ,  Chao Liang ,  Yibing Fu

IPC分类号： C09K11/70 ,  C09K11/77 ,  C09K11/08 ,  H01L33/50 ,  H05B33/14

CPC分类号： C09K11/7786 ,  C09K11/0883 ,  C09K11/7796 ,  H01L33/502 ,  H05B33/14 ,  Y02B20/181

摘要： A white-light LED red phosphor and method of manufacturing the same are provided. The luminescent materials are represented by the general formula: Ca1-y-m-e-rYyMmXx-pPpZzNn:Eue, Rf, wherein M is at least one selected from Sr, Ba, Sc, Li, Na and K; X is at least one selected from B, Al and Ga, and Al must be contained; Z is at least one selected from Si, V and Nb, and Si must be contained; R is at least one selected from Dy, Er, Tm and Lu, and Dy must be contained; 0.001≦y≦0.2, 0.001≦m≦0.2, 0.5≦x≦1.5, 0.5≦z≦1.5, 0.001≦p≦0.1, 2≦n≦4, 0.001≦e≦0.2 and 0.001≦r≦0.1. The phosphor according to the present invention has features such as good chemical stability, high luminous efficiency, and good anti-luminous attenuation performance, etc.

摘要翻译： 提供白光LED红色荧光体及其制造方法。 发光材料由以下通式表示：Ca1-y-m-e-rYyMmXx-pPpZzNn：Eue，Rf，其中M是选自Sr，Ba，Sc，Li，Na和K中的至少一种; X是选自B，Al和Ga中的至少一种，并且必须含有Al; Z是选自Si，V和Nb中的至少一种，必须含有Si; R是选自Dy，Er，Tm和Lu中的至少一种，并且必须含有Dy; 0.001＆nlE; y＆nlE; 0.2,01＆lt; nlE; m＆lt; ll; 0.2,0.5＆amp; nlE; x＆lt; lE; 1.5,0.5＆amp; nlE; z＆nlE; 1.5,0.001和nlE; p＆nlE; 0.1,2＆ ; r＆nlE; 0.1。 本发明的荧光体具有化学稳定性好，发光效率高，防发光衰减性能好等特点。

公开(公告)号：US20130325841A1

公开(公告)日：2013-12-05

申请号：US13488739

申请日：2012-06-05

申请人： Tanvir Ahmed ,  Thomas Keefe ,  Chao Liang ,  Vikram Pesati

发明人： Tanvir Ahmed ,  Thomas Keefe ,  Chao Liang ,  Vikram Pesati

IPC分类号： G06F17/30

CPC分类号： G06F21/30 ,  G06F17/30448 ,  G06F21/6218 ,  G06F21/6227 ,  G06F2221/2141

摘要： Techniques are provided for a database server to identify a query that comprises an access check operator specifying a data access control policy, and if so, to re-write the query to produce an optimized query execution plan. A first technique rewrites a query comprising an access check operator based on the privileges associated with the database principal requesting the query. The rewritten query exposes the access predicates relevant to the requesting principal to subsequent database optimization processes. A second technique rewrites a query comprising an access check operator that specifies a data security policy that does not include a denied privilege. A third technique rewrites a query that comprises an access check operator specifying one or more database table columns that store row-specific access control lists. The rewritten queries are used to generate a query execution plan that provides for several query execution optimizations.

摘要翻译： 为数据库服务器提供技术以识别包括指定数据访问控制策略的访问检查运算符的查询，如果是，则重写该查询以产生优化的查询执行计划。 第一种技术基于与请求查询的数据库主体相关联的特权来重写包括访问检查运算符的查询。 重写的查询将与请求主体相关的访问谓词公开给后续的数据库优化过程。 第二种技术重写包括访问检查运算符的查询，其指定不包括被拒绝的特权的数据安全策略。 第三种技术重写包含访问检查运算符的查询，该查询运算符指定存储行特定访问控制列表的一个或多个数据库表列。 重写的查询用于生成提供多个查询执行优化的查询执行计划。

公开(公告)号：US07984015B2

公开(公告)日：2011-07-19

申请号：US11800122

申请日：2007-05-03

申请人： Karl Dias ,  Leonidas Galanis ,  Jonathan Klein ,  Venkateshwaran Venkataramani ,  Yujun Wang ,  Richard Sarwal ,  Leng Tan ,  Graham Wood ,  Benoit Dageville ,  Chao Liang ,  Sanjay Kaluskar

发明人： Karl Dias ,  Leonidas Galanis ,  Jonathan Klein ,  Venkateshwaran Venkataramani ,  Yujun Wang ,  Richard Sarwal ,  Leng Tan ,  Graham Wood ,  Benoit Dageville ,  Chao Liang ,  Sanjay Kaluskar

IPC分类号： G06F7/00 ,  G06F17/00

CPC分类号： G06F17/30377

摘要： A method and apparatus for capturing database system workload and replaying that workload in a database system is provided. According to one aspect, in order to subject a test database system to the same workload to which the production database system actually would be subjected, a database server in the production system captures and records workload that the database server receives from external entities. This captured workload is processed. Processes external to a database server in the test database system send the processed workload to that database server. As a result, the test database system is subjected to the same workload to which the production database system originally was subjected. The foregoing technique permits a database administrator to determine how the production database system will fare if the difference that is present in the test database system is introduced into the production database system.

摘要翻译： 提供了一种用于捕获数据库系统工作负载并在数据库系统中重播该工作负载的方法和装置。 根据一个方面，为了使测试数据库系统处于生产数据库系统实际受到的相同工作负载，生产系统中的数据库服务器捕获并记录数据库服务器从外部实体接收的工作负载。 处理此捕获的工作负载。 测试数据库系统中数据库服务器外部的进程将处理的工作负载发送到该数据库服务器。 因此，测试数据库系统受到生产数据库系统最初遭受的相同工作量的影响。 如果将测试数据库系统中存在的差异引入到生产数据库系统中，则上述技术允许数据库管理员确定生产数据库系统将如何展示。