0引言哺乳期乳腺癌(Lactational breast cancer,LBC)作为妊娠相关乳腺癌(Pregnancy-associated breast cancer,PABC)的特殊亚型,因其生理性乳腺增生与哺乳期激素水平剧烈波动,常导致诊断延迟、肿瘤体积较大且侵袭性强,临床处理极具挑战...0引言哺乳期乳腺癌(Lactational breast cancer,LBC)作为妊娠相关乳腺癌(Pregnancy-associated breast cancer,PABC)的特殊亚型,因其生理性乳腺增生与哺乳期激素水平剧烈波动,常导致诊断延迟、肿瘤体积较大且侵袭性强,临床处理极具挑战性[1-2]。展开更多
This study aims to explore the Qing court’s emphasis on traditional Chinese medicine(TCM)culture and technology,as well as the role of ingots as a carrier of imperial medical culture.By systematically sorting out the...This study aims to explore the Qing court’s emphasis on traditional Chinese medicine(TCM)culture and technology,as well as the role of ingots as a carrier of imperial medical culture.By systematically sorting out the types,quantities,and shapes of medicinal ingots recorded in Huo Ji Dang(活计档Archives of Imperial Workshops)during the 13-year Yongzheng reign,and by combining these records with existing ingot-related molds,physical specimens,and other collections in the Palace Museum,this research finds that:the Yongzheng Emperor incorporated ingots into the production list of the Imperial Workshop and established standardized preparation procedures,making them a technical practice for displaying imperial power;the fixed system of rewarding ingots during the Dragon Boat Festival turned ingots into a product of Manchu-Han cultural integration and formed a custom;the evolution of ingot equipment was dynamically related to military activities in the mid-Qing dynasty,confirming its function in court politics;and the integration of the preparation and packaging process of ingots into the power operation system,and transforming TCM-related knowledge and technology into means of exercising power,constructed a materialized path for imperial power to regulate the bureaucratic system and social order.The conclusion reveals the inherent logic of the Qing court:establishing authoritative identity through material culture.展开更多
Ionic liquids predominantly consist of ionic species[1]and have low melting points[2]usually less than 373 K.They were widely used in organic syn-thesis as green solvents or catalysts[3,4].Recently,Cooper et al[5]repo...Ionic liquids predominantly consist of ionic species[1]and have low melting points[2]usually less than 373 K.They were widely used in organic syn-thesis as green solvents or catalysts[3,4].Recently,Cooper et al[5]reported the preparation of an AEL type aluminophosphate molecular sieve using 1-ethyl-3-methylimidazolium bromide([emim]Br)ionic liq-uid as both the solvent and template.They named the novel attractive procedure ionothermal synthesis to distinguish it from the hydrothermal process.The AEL type aluminophosphate molecular sieve has no acidic sites because of its electrically neutral struc-ture[6].However,introducing Si species to substitute P in the framework will impart mild acidity to the AEL type molecular sieve and make it active for a va-riety of heterogeneous acidic catalytic reactions such as the hydroisomerization of alkane[7.8].In this work,Si species were introduced into the synthesis mixture and the silicoaluminophosphate molecular sieve with AEl structure was ionothermally synthe-sized.Meanwhile,the effect of Si species amount on the product properties was investigated.展开更多
文摘0引言哺乳期乳腺癌(Lactational breast cancer,LBC)作为妊娠相关乳腺癌(Pregnancy-associated breast cancer,PABC)的特殊亚型,因其生理性乳腺增生与哺乳期激素水平剧烈波动,常导致诊断延迟、肿瘤体积较大且侵袭性强,临床处理极具挑战性[1-2]。
文摘This study aims to explore the Qing court’s emphasis on traditional Chinese medicine(TCM)culture and technology,as well as the role of ingots as a carrier of imperial medical culture.By systematically sorting out the types,quantities,and shapes of medicinal ingots recorded in Huo Ji Dang(活计档Archives of Imperial Workshops)during the 13-year Yongzheng reign,and by combining these records with existing ingot-related molds,physical specimens,and other collections in the Palace Museum,this research finds that:the Yongzheng Emperor incorporated ingots into the production list of the Imperial Workshop and established standardized preparation procedures,making them a technical practice for displaying imperial power;the fixed system of rewarding ingots during the Dragon Boat Festival turned ingots into a product of Manchu-Han cultural integration and formed a custom;the evolution of ingot equipment was dynamically related to military activities in the mid-Qing dynasty,confirming its function in court politics;and the integration of the preparation and packaging process of ingots into the power operation system,and transforming TCM-related knowledge and technology into means of exercising power,constructed a materialized path for imperial power to regulate the bureaucratic system and social order.The conclusion reveals the inherent logic of the Qing court:establishing authoritative identity through material culture.
文摘Ionic liquids predominantly consist of ionic species[1]and have low melting points[2]usually less than 373 K.They were widely used in organic syn-thesis as green solvents or catalysts[3,4].Recently,Cooper et al[5]reported the preparation of an AEL type aluminophosphate molecular sieve using 1-ethyl-3-methylimidazolium bromide([emim]Br)ionic liq-uid as both the solvent and template.They named the novel attractive procedure ionothermal synthesis to distinguish it from the hydrothermal process.The AEL type aluminophosphate molecular sieve has no acidic sites because of its electrically neutral struc-ture[6].However,introducing Si species to substitute P in the framework will impart mild acidity to the AEL type molecular sieve and make it active for a va-riety of heterogeneous acidic catalytic reactions such as the hydroisomerization of alkane[7.8].In this work,Si species were introduced into the synthesis mixture and the silicoaluminophosphate molecular sieve with AEl structure was ionothermally synthe-sized.Meanwhile,the effect of Si species amount on the product properties was investigated.
