12 results on '"尚颖"'
Search Results
2. 铵伊利石的矿物学特征及热稳定性.
- Author
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何 妮, 李尚颖, 梁绍暹, 周轩平, 武振晓, 赵 昊, 汪 洋, and 程宏飞
- Abstract
Illite is a common layered silicate mineral in the Earth's crust. Ammonium illite can be formed when NH+4 is located in the interlayers of illite. The identification of ammonium illite mineralogical characteristics and the thermostability of interlayered NH+4 can provide an important basis for understanding the geochemical cycling of nitrogen. The mineralogical characteristics and thermal stability of ammonium illite collected from gangue in Xinjing coal mine of Yangquan city, Shanxi province, were comprehensively investigated with spectroscopic, electron microscopic, and thermal analyses, and using illite(its interlayered cation is K+)as a reference. The results show that the ratio of NH+4 to total interlayer cations in ammonium illite is about 0.86, and the basal spacing(10.344 Å)of ammonium illite is significantly larger than that(9.973 Å)of illite; meanwhile, the intensity ratio of the(002):(003)diffraction peaks of ammonium illite is about 1:1, whereas the corresponding ratio for illite is about 1:3; in the tetrahedral sheets of ammonium illite, the isomorphous substitution of Al3+ for Si4+(Al3+ → Si4+)widely exists, leading to a layer charge density of approximately 0.85; the presence of interlayeredNH+4 does not have a significant impact on the layered silicate framework of illite, but it can cause a blue shift in the structural hydroxyl groups; the inter layered NH+4 of ammonium illite exhibits good thermostability; at temperatures ranging from 400 ℃ to 700 ℃, NH+4 gradually decomposes with the loss of structural hydroxyl groups; this suggests that interlayered NH+4 reacts with the structural hydroxyl groups during heating, resulting in the formation of NH3 and H2O. These research results contribute to a deep understanding of the mineralogical characteristics and thermostability of ammonium illite. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
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3. 间充质干细胞工程化的DNA纳米结构构建及其在小鼠肺组织靶向递送中的应用.
- Author
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李卓婷, 尚颖旭, 汪海燕, 蒋乔, 丁宝全, 李静, and 赵春华
- Abstract
Objective Modifying 3D tubular DNA origami nanostructures (DONs) onto the mesenchymal stem cells (MSCs) membrane surface to obtain DONs@MSCs. Utilizing the characteristics of MSCs homing lung tissue to achieve targeted delivery of DONs to the lungs of mice. Methods The computer-aided tools for DNA sequence were used to design and obtain obtain pre-designed DONs. The morphology of assembled DONs was characterized by atomic force microscopy(AFM), and the upload of functional groups was verified by agarose gel electrophoresis (AGE). Fluorescent labeled single-strand DNA(ssDNA) was modified on the surface of MSCs using biological orthometabolic sugar engineering. According to the principle of complementary base pairing, DONs were modified on the MSCs surface. Using confocal microscopy and flow cytometry to detect the ssDNA and DONs, and using in vivo imaging to observe the distribution of DONs in lung tissue. Results DONs had been successfully assembled. MSCs membrane surface was successfully modified with ssDNA, and DONs were successfully hybridized to obtain DONs@MSCs. Compared to DONs, the enrichment of DONs@MSCs in the lungs of mice was significantly enhanced. Conclusions DONs@MSCs can be used for DONs targeted delivery to lung tissue of mice. This method provides a new strategy for drug delivery of DONs in lung tissues. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
4. 基于文献可视化方法的 Re-Os 同位素定年研究进展分析.
- Author
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彭晶晶, 罗代洪, 林锴, 刘成海, and 尚颖
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SCIENTIFIC knowledge ,MESOZOIC Era ,BIBLIOMETRICS ,SCIENTIFIC visualization ,DATA visualization - Abstract
Copyright of Rock & Mineral Analysis is the property of Editorial Board of Rock & Mineral Analysis and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2023
- Full Text
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5. 旋甩快淬带ErCoSi的各向异性磁热效应.
- Author
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张艳, 胡季帆, 赵同云, 莫兆军, 曹博宇, and 尚颖琦
- Abstract
Copyright of Journal of Functional Materials / Gongneng Cailiao is the property of Chongqing Functional Materials Periodical Press and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2022
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6. 互联网大数据治税增进了税负公平吗 ——基于地级市数据的实证研究.
- Author
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孙鲲鹏, 马一文, 尚 颖, and 宁 华
- Abstract
Copyright of Tax & Economic Research is the property of Tax & Economic Research Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2022
7. Rietveld 全图拟合法定量分析伊利石矿的精确度及误差来源.
- Author
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陈爱清, 张立雪, 李强, 朱建喜, 李尚颖, and 何宏平
- Subjects
RIETVELD refinement ,FLUORESCENCE spectroscopy ,MINES & mineral resources ,ILLITE ,ATOMIC displacements ,X-ray fluorescence ,ORES - Abstract
Copyright of Rock & Mineral Analysis is the property of Editorial Board of Rock & Mineral Analysis and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2022
- Full Text
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8. 基于平场定标的彩色高动态范围图像非均匀校正.
- Author
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谢 蓄 芬, 尚 颖 英, and 廖 宁 放
- Abstract
Copyright of Journal of Dalian Polytechnic University is the property of Journal of Dalian Polytechnic University Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2021
- Full Text
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9. 面向测试生成的ASM模型约简研究.
- Author
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杨羊, 何柳柳, 尚颖, and 李征
- Abstract
Copyright of Computer Engineering & Science / Jisuanji Gongcheng yu Kexue is the property of Computer Engineering & Science and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2018
- Full Text
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10. 柔性端电极MLCC 工艺研究.
- Author
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曾雨, 陈长云, 伍尚颖, and 王海洋
- Abstract
Copyright of Electronic Components & Materials is the property of Electronic Components & Materials and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2018
- Full Text
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11. 終身癌症保險之評價.
- Author
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黃泓智, 楊尚穎, and 王敏琪
- Abstract
Copyright of NTU Management Review is the property of NTU Management Review and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2017
- Full Text
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12. 稠油油藏冷采水平井产能影响因素.
- Author
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尚颖雪, 李晓平, and 张烈辉
- Abstract
Copyright of Petroleum Geology & Recovery Efficiency is the property of Petroleum Geology & Recovery Efficiency and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2015
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