摘要：【中文】多孔氧化锆壳组装单原子金属的磁性催化剂、制备及应用，属于单原子金属的磁性催化剂和精细化工技术领域。在磁性Fe₃O₄核表面合成具有悬挂‑NH₂的NH₂‑UiO‑66(Zr)壳层，制备出磁性NH₂‑UiO‑66(Zr)@Fe₃O₄纳米球，在NH₂‑UiO‑66(Zr)的多孔腔内形成均匀的Pd‑氨基配位节点，进而制备出磁性Pd→NH₂‑UiO‑66(Zr)@Fe₃O₄纳米球；在空气气氛下焙烧，使NH₂‑UiO‑66(Zr)分解为多孔氧化锆壳层，Pd‑氨基配位的Pd节点则被限域在多孔氧化锆壳层中，制备出多孔氧化锆壳层组装单原子Pd的磁性Pd→ZrO₂@Fe₃O₄催化剂，用于液相甲醇催化转化制甲酸甲酯。 【EN】A magnetic catalyst of monoatomic metal assembled by a porous zirconia shell, preparation and application thereof belong to the technical field of the magnetic catalyst of the monoatomic metal and fine chemical engineering. In the presence of magnetic Fe₃O₄Nuclear surface synthesis with pendant-NH₂NH of (2)₂-UiO-66(Zr) shell to prepare magnetic NH₂‑UiO‑66(Zr)@Fe₃O₄Nanospheres of NH₂Uniform Pd-amino coordination nodes are formed in the porous cavity of the-UiO-66 (Zr) to prepare magnetic Pd → NH₂‑UiO‑66(Zr)@Fe₃O₄Nanospheres; calcining in air atmosphere to make NH₂Decomposing the-UiO-66 (Zr) into a porous zirconia shell, and confining Pd nodes coordinated by Pd-amino in the porous zirconia shell to prepare magnetic Pd → ZrO of the single atom Pd assembled on the porous zirconia shell₂@Fe₃O₄The catalyst is used for preparing methyl formate by liquid phase methanol catalytic conversion.

摘要：【中文】本发明涉及岩石分析领域，特别是一种岩心导热系数的确定方法。该方法获取待测试岩心的矿物成分数据，根据待测试岩心的矿物成分数据确定岩心类型；根据岩心类型选取对应的预测模型，根据待测试岩心的矿物成分数据和选取的预测模型确定待测试岩心的导热系数。根据已有的岩心导热系数和对应的岩心矿物成分，经过回归分析得到回归方程，作为某一类岩心的预测模型，只需对待测试岩心进行矿物成分分析，确定岩心类型及其对应的预测模型，即可得到待测试岩心的导热系数，该方法较为简单，可操作性强，准确性受实验影响较小，便于岩石导热系数的快速、准确的确定。 【EN】The invention relates to the field of rock analysis, in particular to a method for determining a heat conductivity coefficient of a rock core. The method comprises the steps of obtaining mineral composition data of a core to be tested, and determining the type of the core according to the mineral composition data of the core to be tested; and selecting a corresponding prediction model according to the core type, and determining the heat conductivity coefficient of the core to be tested according to the mineral composition data of the core to be tested and the selected prediction model. The method is simple, strong in operability, small in influence of experiments on accuracy and convenient for quick and accurate determination of the heat conductivity coefficient of the rock.

摘要：【中文】本发明公开了一种变压器悬吊式呼吸器省力拆装工具，包括用于与呼吸器连接架可拆卸连接的支撑架、用于托举呼吸器的托举架和用于顶升所述托举架的顶升机构，所述托举架位于呼吸器安装座下方且与支撑架滑动连接，所述顶升机构与所述支撑架连接。本发明具有能够托举并固定呼吸器，代替人工劳动，方便运维人员上紧螺栓的特点。 【EN】The invention discloses a labor-saving dismounting tool for a suspension type respirator of a transformer, which comprises a support frame detachably connected with a respirator connecting frame, a lifting frame for lifting the respirator and a jacking mechanism for jacking the lifting frame, wherein the lifting frame is positioned below a respirator mounting seat and is in sliding connection with the support frame, and the jacking mechanism is connected with the support frame. The invention has the characteristics of being capable of lifting and fixing the respirator, replacing manual labor and facilitating operation and maintenance personnel to tighten bolts.