摘要：【中文】本发明公开了一种不同地应力下岩石孔隙度测量装置及方法，所述装置包括：孔隙度测量组件、岩心夹持器(10)、轴压加载组件、围压加载组件、温控组件(24)和抽真空组件；所述孔隙度测量组件、轴压加载组件、围压加载组件和抽真空组件分别与岩心夹持器(10)相连；所述孔隙度测量组件和岩心夹持器(10)置于温控组件(24)中。本发明的测试装置能够测量不同应力环境下，特别是各向异性条件下的岩石孔隙度，更加符合现场地层条件下储层岩石的孔隙结构特征；围压及轴压通过计量泵进行控制。此外，本发明通过差压计对岩心两端的孔隙压力进行测量，有效判断气体平衡状态，对致密岩石的孔隙度测量提供准确判据。 【EN】The invention discloses a device and a method for measuring the porosity of rocks under different kinds of stress, wherein the device comprises: the device comprises a porosity measuring assembly, a core holder (10), an axial pressure loading assembly, a confining pressure loading assembly, a temperature control assembly (24) and a vacuumizing assembly; the porosity measuring assembly, the axial pressure loading assembly, the confining pressure loading assembly and the vacuumizing assembly are respectively connected with the core holder (10); the porosity measurement assembly and the core holder (10) are arranged in a temperature control assembly (24). The testing device can measure the rock porosity under different stress environments, particularly under anisotropic conditions, and better conforms to the pore structure characteristics of reservoir rock under the in-situ stratum condition; the confining pressure and the axial pressure are controlled by a metering pump. In addition, the invention measures the pore pressure at two ends of the rock core through the differential pressure gauge, effectively judges the gas balance state and provides accurate criterion for measuring the porosity of the compact rock.

摘要：【中文】本发明一种可重复座封解封的机械触发式封隔器，包括中心链接管，还包括套设固定在中心链接管上的固定台阶和锁紧组件，中心链接管上位于固定台阶和锁紧组件之间的部分还套设有触发机构、伞骨机构和弹簧组件，触发机构的固定部与固定台阶连接，触发机构的伸缩端与伞骨机构一端连接，伞骨机构另一端与弹簧组件一端连接，弹簧组件另一端与锁紧组件连接，遇水膨胀橡胶筒整体套设在固定台阶、触发机构、伞骨机构、弹簧组件和锁紧组件上。本发明止水结构承压能力强，施工效率高，可座封解封。 【EN】The invention relates to a mechanical trigger type packer capable of repeatedly unsetting, which comprises a central linking pipe, a fixed step and a locking assembly, wherein the fixed step and the locking assembly are sleeved and fixed on the central linking pipe, a trigger mechanism, an umbrella rib mechanism and a spring assembly are further sleeved on the part, between the fixed step and the locking assembly, of the central linking pipe, the fixed part of the trigger mechanism is connected with the fixed step, the telescopic end of the trigger mechanism is connected with one end of the umbrella rib mechanism, the other end of the umbrella rib mechanism is connected with one end of the spring assembly, the other end of the spring assembly is connected with the locking assembly, and a water-swelling rubber cylinder is integrally sleeved on the fixed step, the trigger mechanism, the umbrella rib mechanism. The water stopping structure has strong pressure bearing capacity and high construction efficiency, and can be sealed and unsealed.

摘要：【中文】本发明公开了一种三轴条件下岩石孔隙度渗透率联合测试装置及方法，所述装置用于在三轴应力条件下对岩石孔隙度和渗透率同时测量，该装置包括孔渗测量组件、岩心夹持器(17)、围压加载组件、轴压加载组件、多通道数据采集卡(15)和数据存储处理模块(16)；所述孔渗测量组件、围压加载组件和轴压加载组件分别与岩心夹持器(17)相连。本发明将孔隙度和渗透率测试完全耦合在一起。在气体扩散过程中，根据待测岩石两端的压力值及差压衰减曲线，分别根据孔隙度计算公式和渗透率计算公式得到岩石在某三轴应力下的孔隙度和渗透率，可全面分析岩石孔隙度、渗透率之间的相互关系及其与应力的相关性，在一定程度上也缩短了测试时间，提高了测试效率。 【EN】The invention discloses a rock porosity and permeability combined test device and a rock porosity and permeability combined test method under a triaxial condition, wherein the device is used for simultaneously measuring the rock porosity and permeability under a triaxial stress condition, and comprises a pore permeability measuring assembly, a rock core holder (17), a confining pressure loading assembly, an axial pressure loading assembly, a multi-channel data acquisition card (15) and a data storage processing module (16); and the hole permeability measuring assembly, the confining pressure loading assembly and the axial pressure loading assembly are respectively connected with a rock core holder (17). The present invention fully couples porosity and permeability tests together. In the gas diffusion process, according to the pressure values and the differential pressure attenuation curves at the two ends of the rock to be tested, the porosity and the permeability of the rock under certain triaxial stress are obtained according to a porosity calculation formula and a permeability calculation formula respectively, the correlation between the porosity and the permeability of the rock and the stress can be comprehensively analyzed, the testing time is shortened to a certain extent, and the testing efficiency is improved.

摘要：【中文】本发明公开了一种适用于18种转基因大豆转化体及其衍生物特异性检测的质粒DNA，具体涉及生物技术领域，包括重组质粒pDDID‑1905，所述重组质粒pDDID‑1905的序列为SEQ ID NO:1，其外源插入序列还包括18种转基因大豆转化体特征DNA序列。本发明提供的重组质粒DNA分子pDDID‑1905包含的转化体特征序列涵盖所有我国已批准进口的大豆转化体及部分未批准进口的转化体，还包括一种我国自主研发且具有极大应用前景的转化体。因此，该质粒DNA分子可用于转基因大豆转化体的鉴定和检测，解决了转基因大豆转化体阳性标准品匮乏或覆盖面不足等的问题。该质粒DNA分子的设计还具有可扩展性，可用于未来加入新的转化体特征序列。 【EN】The invention discloses a plasmid DNA suitable for specificity detection of 18 transgenic soybean transformants and derivatives thereof, and particularly relates to the technical field of biology, wherein the plasmid DNA comprises a recombinant plasmid pDDID-1905, the sequence of the recombinant plasmid pDDID-1905 is SEQ ID NO. 1, and the exogenous insertion sequence also comprises a characteristic DNA sequence of the 18 transgenic soybean transformants. The recombinant plasmid DNA molecule pDID-1905 provided by the invention contains transformant characteristic sequences which cover all soybean transformants approved to be imported in China and some transformants not approved to be imported, and also comprises a transformant which is independently researched and developed in China and has great application prospect. Therefore, the plasmid DNA molecule can be used for identification and detection of the transgenic soybean transformant, and the problems of lack of positive standard products or insufficient coverage of the transgenic soybean transformant and the like are solved. The design of the plasmid DNA molecule also has expandability and can be used for adding new transformant characteristic sequences in the future.