Aqueous viscoelastic fluid
    72.
    发明授权
    Aqueous viscoelastic fluid 有权
    水性粘弹性流体

    公开(公告)号:US07036585B2

    公开(公告)日:2006-05-02

    申请号:US10250417

    申请日:2002-02-13

    IPC分类号: E21B43/22

    摘要: The invention concerns an aqueous viscoelastic fluid for use in the recovery of hydrocarbons. According to the invention this fluid comprises a first viscoelastic surfactant and a second surfactant able to decompose under downhole conditions to release a compound itself able to reduce the viscosity of the aqueous viscoelastic fluid.

    摘要翻译: 本发明涉及用于回收烃类的水性粘弹性流体。 根据本发明,该流体包括第一粘弹性表面活性剂和能够在井下条件下分解以释放化合物本身的能够降低水性粘弹性流体粘度的第二表面活性剂。

    Hydrogel for use in downhole seal applications
    74.
    发明申请
    Hydrogel for use in downhole seal applications 审中-公开
    水凝胶用于井下密封应用

    公开(公告)号:US20050171248A1

    公开(公告)日:2005-08-04

    申请号:US10789846

    申请日:2004-02-27

    申请人: Yanmei Li Jian Zhou

    发明人: Yanmei Li Jian Zhou

    摘要: The present invention is a composition for forming seals. The composition includes a base material and a hydrogel. The base materials is preferably an elastomer or a thermoplastic. Seals formed with the composition are particularly suited for use in a wellbore environment. The inclusion of hydrogel in the seals allows the seals to be manipulated or altered through certain environmental factors. For instance, temperature, oil/water ratio, pH and the electronic field may all be used to alter the characteristics of the hydrogel. In this way, the seal may be caused to swell in response to a specific stimulus, thereby preventing or sealing a leak without requiring additional work or input from the operator.

    摘要翻译: 本发明是用于形成密封件的组合物。 该组合物包括基础材料和水凝胶。 基材优选为弹性体或热塑性材料。 用该组合物形成的密封件特别适用于井眼环境。 将水凝胶包括在密封件中可以通过某些环境因素来操纵或改变密封。 例如,可以使用温度,油/水比,pH和电场来改变水凝胶的特性。 以这种方式,密封件可以响应于特定的刺激而膨胀,从而防止或密封泄漏,而不需要额外的工作或来自操作者的输入。

    Method and polynucleotides for determining translational efficiency of a codon
    75.
    发明申请
    Method and polynucleotides for determining translational efficiency of a codon 有权
    确定密码子翻译效率的方法和多核苷酸

    公开(公告)号:US20050166282A1

    公开(公告)日:2005-07-28

    申请号:US11041806

    申请日:2005-01-24

    CPC分类号: C12Q1/6897 C12N15/67

    摘要: A method is disclosed for determining the translational efficiency of an individual codon in a cell. The method includes introducing into the cell a synthetic construct including a reporter polynucleotide fused in frame with a tandem repeat of the individual codon, wherein the reporter polynucleotide encodes a reporter protein, and wherein the synthetic construct is operably linked to a regulatory polynucleotide; and measuring expression of the reporter protein in the cell to determine the translational efficiency of the codon.

    摘要翻译: 公开了一种用于确定细胞中个体密码子的翻译效率的方法。 该方法包括向细胞中引入包含与单个密码子的串联重复序列融合的报告多核苷酸的合成构建体,其中所述报道多核苷酸编码报道蛋白,并且其中所述合成构建体可操作地连接于调控多核苷酸; 并测量细胞中报道蛋白的表达以确定密码子的翻译效率。

    Power-up control circuit
    76.
    发明授权
    Power-up control circuit 有权
    上电控制电路

    公开(公告)号:US06515524B1

    公开(公告)日:2003-02-04

    申请号:US09903348

    申请日:2001-07-11

    IPC分类号: H03L700

    CPC分类号: H03K17/223 H03K2217/0036

    摘要: A power-up control circuit architecture that utilizes zero current under normal operation. The power-up control circuit will sense a common supply voltage, Vcc, and turn an output on and off at a desired threshold voltage, providing a substantially faster on/off switch than that achievable solely by sensing the common supply voltage.

    摘要翻译: 一种在正常工作状态下利用零电流的上电控制电路架构。 上电控制电路将检测公共电源电压Vcc,并以所需的阈值电压开启和关闭输出,提供比仅通过感测公共电源电压可实现的更快的导通/截止开关。

    Nucleic acid sequence and methods for selectively expressing a protein in a target cell or tissue
    77.
    发明授权
    Nucleic acid sequence and methods for selectively expressing a protein in a target cell or tissue 有权
    核酸序列和用于在靶细胞或组织中选择性表达蛋白质的方法

    公开(公告)号:US06489141B1

    公开(公告)日:2002-12-03

    申请号:US09479645

    申请日:2000-01-07

    IPC分类号: C12N1564

    摘要: A synthetic polynucleotide and a method are disclosed for selectively expressing a protein in a target cell or tissue of a mammal. Selective expression is effected by replacing at least one existing codon of a parent polynucleotide encoding a protein of interest with a synonymous codon to produce a synthetic polynucleotide having altered translational kinetics compared to the parent polynucleotide. The synonymous codon is selected such that it has a higher translational efficiency in the target cell or tissue relative to one or more other cells or tissues of the mammal.

    摘要翻译: 公开了用于在哺乳动物的靶细胞或组织中选择性表达蛋白质的合成多核苷酸和方法。 通过使用同义密码子替换编码目标蛋白质的母体多核苷酸的至少一个现有密码子以产生与亲本多核苷酸相比具有改变的翻译动力学的合成多核苷酸来进行选择性表达。 选择同义密码子使得其相对于哺乳动物的一个或多个其它细胞或组织在靶细胞或组织中具有较高的翻译效率。

    Document search and retrieval system with partial match searching of
user-drawn annotations
    78.
    发明授权
    Document search and retrieval system with partial match searching of user-drawn annotations 失效
    文档搜索和检索系统,部分匹配搜索用户绘制的注释

    公开(公告)号:US5832474A

    公开(公告)日:1998-11-03

    申请号:US606575

    申请日:1996-02-26

    IPC分类号: G06F17/30

    摘要: The document browser for electronic filing systems supports pen-based markup and annotation. The user may electronically write notes anywhere on a page and then later search for those notes using the approximate ink matching (AIM) technique. The technique segments the user-drawn strokes, extracts and vector quantizes features contained in those strokes. An edit distance comparison technique is used to query the database, rendering the system capable of performing approximate or partial matches to achieve fuzzy search capability.

    摘要翻译: 电子文件系统的文档浏览器支持基于笔的标记和注释。 用户可以在页面上的任何地方电子地书写笔记,然后使用近似墨水匹配(AIM)技术搜索这些笔记。 该技术分割用户绘制的笔画,提取和矢量量化这些笔画中包含的功能。 使用编辑距离比较技术查询数据库,使系统能够执行近似或部分匹配,以实现模糊搜索能力。

    Drill head locking apparatus and drill head
    79.
    发明授权
    Drill head locking apparatus and drill head 有权
    钻头锁定装置和钻头

    公开(公告)号:US09254136B2

    公开(公告)日:2016-02-09

    申请号:US13823087

    申请日:2011-08-24

    摘要: A drill head locking apparatus and a drill head are provided. The locking apparatus includes a protruding platform having a through hole, a bearing on the inner wall of a small cylinder on the protruding platform, a locking sleeve fitted on the protruding platform, and a protrusion arranged on the upper part of the inner wall of the locking sleeve. The lower part of the inner wall of the locking sleeve is a conical face. A spring is arranged between the bottom face of the conical face and an upper bottom face of the protruding platform. A press plate is connected with a screw thread on the outer wall of the top part of the small cylinder on the protruding platform and presses down on the protrusion. A conical hole is arranged on the wall of the small cylinder and communicates with the through hole of the protruding platform.

    摘要翻译: 提供了钻头锁定装置和钻头。 锁定装置包括具有通孔的突出平台,突出平台上的小圆筒的内壁上的轴承,安装在突出平台上的锁定套,以及布置在该突出平台的内壁的上部上的突起 锁紧套。 锁定套筒内壁的下部是圆锥面。 在锥面的底面和突出平台的上底面之间设有弹簧。 压板与突出平台上的小圆筒顶部的外壁上的螺纹连接,并且向下按压突出部。 在小圆筒的壁上设置有锥形孔,并与突出平台的通孔连通。

    Air-powered generator system with electromagnetic auxiliary power unit
    80.
    发明授权
    Air-powered generator system with electromagnetic auxiliary power unit 有权
    具有电磁辅助动力装置的空气发电机系统

    公开(公告)号:US09234436B2

    公开(公告)日:2016-01-12

    申请号:US13574983

    申请日:2012-03-26

    摘要: A generator system uses compressed air as a power source and utilizes an electromagnetic auxiliary power unit. The generator system includes an engine (1), a multiple-column power distributor (2), a generator system (4), a controller system (6), an intake speed control valve (23), a high pressure gas tank (13), a constant pressure tank (16), an electronic control unit ECO (29), an electromagnetic auxiliary power unit (1000), a power distributor (1100) and an end gas recycle loop. The end gas recycle loop includes an air compressor (7), a condenser (11), an end gas recycle tank (9), an electro-drive turbine unidirectional suction pump (19) and an end gas muffler (22).

    摘要翻译: 发电机系统采用压缩空气作为动力源,利用电磁辅助动力装置。 发电机系统包括发动机(1),多列分配器(2),发电机系统(4),控制器系统(6),进气速度控制阀(23),高压气罐 ),恒压罐(16),电子控制单元ECO(29),电磁辅助动力单元(1000),动力分配器(1100)和端部气体再循环回路。 末端气体循环回路包括空气压缩机(7),冷凝器(11),端部气体循环罐(9),电驱动涡轮机单向抽吸泵(19)和端部气体消声器(22)。