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摘要: 本发明公开了一种基于实验室检测的临清砖识别方法,包括以下步骤:(1)选取古代青砖检测样品;(2)制备古代青砖检测样品;(3)对制备好的古代青砖样本进行SEM(扫描电子显微镜)和XRF(X射线荧光光谱)分析;(4)根据微观形貌特征识别;(5)根据主量元素含量特征识别....
PROBLEM TO BE SOLVED: To efficiently suck sand in a sand collecting pit and improve the sand pumping-up efficiency by installing a turbulence means for disturbing sand precipitated near a suction port of a suction means by jetting pressurized water, in a sand pumping-up equipment for sucking sa...
Carbon‐based single‐atom catalysts (SACs) have attracted tremendous interest in heterogeneous catalysis. However, the common electric heating techniques to produce carbon‐based SACs usually suffer from prolonged heating time and tedious operations. Herein, a general and facile microwave‐assisted rapid ...
申请(专利权)人: GOYANA SA IND BRASILEIRAS DE MATERIAS PLASTICAS 发明人: R Goller 收藏 引用 批量引用 报错 分享 全部来源 求助全文 掌桥科研 相似文献Retrofits in boxes for transport of bottles. M Ind 被引量: 0发表: 1973年 Building Retrofits for Increased Protection Against Airborne Chemical ...
The load distributing members are fitted between two railway vehicles on both sides of the coupling and ensure that two coupled vehicles can be rotated relative to each other. On viewing the wagon end face these members are in the plane parallel to this end face and are inclined at 45 deg...
This invention is something regarding the aforementioned method of featuring that the jib lock or toriburotsuku copolymer is used in the stability of the water type emulsion in the single oil or the control method of liquid drop size. Block of a certain kind is hydrophilic block, other blocks...
Thus, subconsciously women may transfer from fairy tales into real life cultural norms which exalt passivity, dependency, and self‐sacrifice as a female's cardinal virtues. In short, fairy tales perpetuate the patriarchal status quo by ... Rowe,E Karen - 《Women S Studies》 被引量: 113发表...