检索结果-南通市图书馆

Phallus rubicundus in South Brazil

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Studies in Fungi 2017年第1期2卷 59-63页

作者： Cortez VG silva-filho ags Universidade Federal do Paraná Departamento de BiodiversidadePalotinaParanáBrazil Universidade Federal do Paraná Programa de Pós-graduação em BotânicaCuritibaParanáBrazil

The widespread phalloid fungus Phallus rubicundus is reported for the first time in South *** collection is described and illustrated macro-and micromorphologically,and the taxonomy,distribution and ecology of the spe... 详细信息

关键词： Phallales Phallomycetidae Phallus subgenus Satyrus Stinkhorns

Geochemical Characteristics of the Ore-forming Fluids of the Haigou Gold Deposit, Jilin

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Acta Geologica Sinica(English Edition) 1994年第3期68卷 283-297页

作者： Li Yinqing Institute of Mineral Deposits, C ags, Beijing Chinese Academy of Geological Sciences Beijing

The quartz in the Haigou gold deposit contains a great abundance of three-phase CO2-NaCl-H2O and two-phase CO2-rich inclusions, which are associated with two-phase NaCl-H2O ones. The ore-forming fluids, which were rich in CO2, are classified into two types with two different sources: the high-salinity CO2-rich NaCl-H2O fluid derived from magmatic hydrothermal solution, and the low-salinity NaCl-H2O fluid from ancient meteoric water. The optimum conditions for gold mineralization are 220-300℃ for the temperature, 4-20 MPa for the fluid static pressure, 1-3 km for the mineralization depth, 2-7 w (NaCl)/10-2 for the fluid salinity, and 0.644 g/cm3 for the total density. The fluid was in a critical or supercritical state at the initial stage of mineralization, and it boiled and was unmixed with CO2 and NaCl-H2O in the climax of mineralization, leading to the decomposition of Au-chlorine complexes and the bulk precipitation of *** type, association, homogenization temperature and composition (CO2/H2O value etc.) are the microscopic criteria for distinguishing the auriferous quartz vein from the barren quartz

关键词： monzonitic granite characteristics of fluid inclusion boiling unmixing

Downregulation of TNFR2 decreases survival gene expression,promotes apoptosis and affects the cell cycle of gastric cancer cells

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

World Journal of Gastroenterology 2022年第24期28卷 2689-2704页

作者： Ana Flávia Teixeira Rossi Fernanda da silva Manoel-Caetano Joice Matos Biselli Ágata silva Cabral Marilia de Freitas Calmon Saiki Marcelo Lima Ribeiro Ana Elizabete silva Department of Biological Sciences Sao Paulo State University(UNESP)São Josédo Rio Preto 15054-000São PauloBrazil Clinical Pharmacology and Gastroenterology Unit São Francisco University(USF)Bragança Paulista 12916-900São PauloBrazil

BACKGROUND Chronic inflammation due to Helicobacter pylori(***)infection promotes gastric *** necrosis factor-α(TNF-α),a key mediator of inflammation,induces cell survival or apoptosis by binding to two receptors(TNFR1 and TNFR2).TNFR1 can induce both survival and apoptosis,while TNFR2 results only in cell *** dysregulation of these processes may contribute to *** To evaluate the effects of TNFR1 and TNFR2 downregulation in ags cells treated with *** extract on the TNF-α*** ags cell lines containing TNFR1 and TNFR2 receptors downregulated by specific shRNAs and nonsilenced ags cells were treated with *** extract for 6 ***,quantitative polymerase chain reaction with TaqMan®assays was used for the relative quantification of the mRNAs(TNFA,TNFR1,TNFR2,TRADD,TRAF2,CFLIP,NFKB1,NFKB2,CASP8,CASP3)and miRNAs(miR-19a,miR-34a,miR-103a,miR-130a,miR-181c)related to the TNF-αsignalling *** cytometry was employed for cell cycle analysis and apoptosis *** In nonsilenced ags cells,*** extract treatment increased the expression of genes involved in cell survival and inhibited both apoptosis(NFKB1,NFKB2 and CFLIP)and the TNFR1 ***1 downregulation significantly decreased the expression of the TRADD and CFLIP genes,although no change was observed in the cellular process or miRNA *** contrast,TNFR2 downregulation decreased the expression of the TRADD and TRAF2 genes,which are both important downstream mediators of the TNFR1-mediated pathway,as well as that of the NFKB1 and CFLIP genes,while upregulating the expression of miR-19a and ***,a reduction in the number of cells in the G0/G1 phase and an increase in the number of cells in the S phase were observed,as well as the promotion of early *** Our findings mainly highlight the important role of TNFR2 in the TNF-αpathway in gastric cancer,indicating that silencing it can reduce the

关键词： Gastric cancer Helicobacter pylori Tumour necrosis factor-αsignalling pathway TNFR1 TNFR2 miRNAs

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

高炉的高喷煤比

国外钢铁 1995年第6期20卷 8-13页

作者： Ste.,ags 金永龙

成功的提高喷吹率依赖于煤气分布的控制和喷吹煤粉的足够的燃烧率，实验室用一个空的炉子和一个装有焦炭床的炉子研究煤粉在回旋区的燃烧，试验表明在艾莫伊登厂使用的高挥发分煤有较高的燃烧率。在高炉的高喷煤比试验期间，从风口水平... 详细信息

成功的提高喷吹率依赖于煤气分布的控制和喷吹煤粉的足够的燃烧率，实验室用一个空的炉子和一个装有焦炭床的炉子研究煤粉在回旋区的燃烧，试验表明在艾莫伊登厂使用的高挥发分煤有较高的燃烧率。在高炉的高喷煤比试验期间，从风口水平的焦炭结构和炉尘取样调查表明在喷吹率为１９０－２１０ｋｇ／ｔ铁时喷吹的煤粉可得到有效的利用。从炉顶逸出的喷煤碳含量小于１％，而且不会受煤粉喷吹率的影响。

关键词：高炉喷煤燃烧效率喷煤比