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Готові списки джерел за темами / Chiral enrichment

Добірка наукової літератури з теми "Chiral enrichment"

Автор: Grafiati

Опубліковано: 10 грудня 2022

Оновлено: 28 січня 2023

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Статті в журналах з теми "Chiral enrichment"

1

Marloie, G., F. Pauzat, Y. Ellinger, A. Markovits, and J. Pilmé. "Homochirality in space – Selective enrichment of chiral molecules on chiral surfaces." BIO Web of Conferences 2 (2014): 04004. http://dx.doi.org/10.1051/bioconf/20140204004.

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2

Yang, Xiaochuan, Shin Yee Wong, David K. Bwambok, Manza B. J. Atkinson, Xi Zhang, George M. Whitesides, and Allan S. Myerson. "Separation and enrichment of enantiopure from racemic compounds using magnetic levitation." Chem. Commun. 50, no. 56 (2014): 7548–51. http://dx.doi.org/10.1039/c4cc02604g.

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3

Lu, Tingting, Liangkui Zhu, Xiaohe Wang, Wenfu Yan, Wei Shi, and Ruren Xu. "Identification of the key factor promoting the enrichment of chiral polymorph A in zeolite beta and the synthesis of chiral polymorph A highly enriched zeolite beta." Inorganic Chemistry Frontiers 5, no. 7 (2018): 1640–45. http://dx.doi.org/10.1039/c8qi00265g.

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4

Mahmoud, Hussein, Ying Han, Brent M. Segal, and Lisheng Cai. "Chiral enrichment of 2-amino-2′-hydroxy-1,1′-binaphthyl." Tetrahedron: Asymmetry 9, no. 12 (June 1998): 2035–42. http://dx.doi.org/10.1016/s0957-4166(98)00203-1.

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5

Pérez, Cristóbal, Amanda L. Steber, Anna Krin, and Melanie Schnell. "State-Specific Enrichment of Chiral Conformers with Microwave Spectroscopy." Journal of Physical Chemistry Letters 9, no. 16 (July 26, 2018): 4539–43. http://dx.doi.org/10.1021/acs.jpclett.8b01815.

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6

Naruse, Yuji, Hidefumi Watanabe, Yasuhiro Ishiyama, and Tomoe Yoshida. "Enantiomeric Enrichment of Allenedicarboxylates by a Chiral Organoeuropium Reagent." Journal of Organic Chemistry 62, no. 12 (June 1997): 3862–66. http://dx.doi.org/10.1021/jo961870v.

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7

Lorenz, Klaus, Eiji Yashima, and Yoshio Okamoto. "Enantiomeric Enrichment of Stereolabile Chiral Spiro Compounds by Dynamic HPLC on Chiral Stationary Phases." Angewandte Chemie International Edition 37, no. 13-14 (August 3, 1998): 1922–25. http://dx.doi.org/10.1002/(sici)1521-3773(19980803)37:13/14<1922::aid-anie1922>3.0.co;2-#.

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8

Borowski, Piotr, Marek Stankevič, Dorota Strzelecka, and Olga Bąk. "Dynamic Kinetic Resolution of Phosphinic Acid Derivatives via Nucleophilic Substitution at Phosphorus Center." Synthesis 50, no. 24 (September 5, 2018): 4922–32. http://dx.doi.org/10.1055/s-0037-1609947.

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Анотація:

Reaction of racemic phosphinic acid derivatives with chiral alcohols proceeds with predominant formation of one diastereomer. The highest level of enrichment has been obtained for transesterfication of racemic methyl benzylphenylphosphinate (64% de). The outcome of the reaction depends on both the structure of chiral alcohol and the starting organophosphorus compound. The results strongly suggest that the nature of the observed phenomena is not a classical equilibration of intermediates found in dynamic kinetic resolution process but is a result of a different reactivity of both enantiomers of racemic substrate towards the same chiral nucleophile.

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9

Osano, Yasuko T., Akira Uchida, and Yuji Ohashi. "Optical enrichment of a racemic chiral crystal by X-ray irradiation." Nature 352, no. 6335 (August 1991): 510–12. http://dx.doi.org/10.1038/352510a0.

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10

Yan, Hailong, Yidong Liu та Wenling Qin. "Efficient Enrichment of Chiral β-Sulfonyl Ketones through Asymmetric β-Elimination". Synlett 27, № 20 (20 жовтня 2016): 2756–60. http://dx.doi.org/10.1055/s-0036-1588632.

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Більше джерел

Частини книг з теми "Chiral enrichment"

1

Tamura, Rui. "Innovative Spontaneous Chiral Resolution Phenomenon: Preferential Enrichment." In Engineering Crystallography: From Molecule to Crystal to Functional Form, 353–64. Dordrecht: Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-024-1117-1_22.

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2

Lin, Siyi. "Comparative Study: The English Law of Unjust Enrichment." In The Law of Unjust Enrichment in China: Necessary or Not?, 177–256. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-06178-3_5.

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3

Lin, Siyi. "Do We Need a Chinese Law of Unjust Enrichment?" In The Law of Unjust Enrichment in China: Necessary or Not?, 125–75. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-06178-3_4.

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4

Lin, Siyi. "Introduction." In The Law of Unjust Enrichment in China: Necessary or Not?, 1–14. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-06178-3_1.

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5

Lin, Siyi. "The Goal(s) of the Law of Unjust Enrichment in China." In The Law of Unjust Enrichment in China: Necessary or Not?, 27–124. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-06178-3_3.

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6

Lin, Siyi. "Terminology." In The Law of Unjust Enrichment in China: Necessary or Not?, 15–26. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-06178-3_2.

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7

Lin, Siyi. "Proposals for the Future of the Chinese Law of Unjust Enrichment." In The Law of Unjust Enrichment in China: Necessary or Not?, 257–82. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-06178-3_6.

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8

Lin, Siyi. "Final Remarks." In The Law of Unjust Enrichment in China: Necessary or Not?, 283–86. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-06178-3_7.

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9

Zhang, Xinbao. "The Relation Between Right to Claim for Tort and Right to Claim for Restitution of Unjust Enrichment." In Legislation of Tort Liability Law in China, 379–406. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-6961-1_15.

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10

"Chapter 29: Unjustified Enrichment." In The Civil Code of the People’s Republic of China, 345–46. Brill | Nijhoff, 2021. http://dx.doi.org/10.1163/9789004468283_060.

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Тези доповідей конференцій з теми "Chiral enrichment"

1

Zouggar, Nabila, David Chen, and Bruno Vallespir. "Semantic Enrichment of Enterprise Modelling – Use of Ontology." In 2009 International Conference on Interoperability for Enterprise Software and Applications China (IESA). IEEE, 2009. http://dx.doi.org/10.1109/i-esa.2009.35.

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2

Ma, Yiquan, and Yongchao Lu. "MECHANISMS OF DIFFERENTIAL ENRICHMENT OF ORGANIC MATTER ENRICHMENT OF THE LOWER CAMBRIAN NIUTITANG SHALE IN THE UPPER YANGTZE PLATFORM, SOUTH CHINA." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-340896.

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3

Mengjiao, Wang, Li Yiguo, Wu Xiaobo, Peng Dan, Hong Jingyan, Hao Qian, Zhang Jinhua, and Lu Jin. "A New Low Enrichment Uranium Core Design of MNSR." In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-66518.

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The Miniature Neutron Source Reactor (MNSR) is a low-power research reactor, which uses 90% high enriched uranium (HEU) fuel. However, due to the nuclear safety risk, and according to the principle of nuclear non-proliferation, MNSR must be gradually converted from HEU to low enriched uranium (LEU), which means the LEU fuel with U-235 enrichment less than 20% should be used. The prototype MNSR of China Institute of Atomic Energy has completed the transformation, but other commercial MNSRs have not finished, which is different with the prototype in the application and structure. Therefore, using MCNP code to simulate, calculate and optimization design LEU core has been done in this issue. Firstly, UO2 with U-235 enrichment of 12.5% was selected as the fuel pellet of LEU core, keeping the rest of the core unchanged. The Φ, excess reactivity and the worth of the central control rod are calculated and analyzed. The results show that the commercial MNSR of LEU conversion is feasible. Secondly, in this paper, through changing the fuel elements and the arrangement method, the new low enriched uranium (NLEU) core was designed to improve Φ/P ratio of the core, the proportion of thermal neutrons and the worth of the control rod. UO2 with U-235 enrichment of 19.75% was selected as the fuel pellet of the NLEU, NLEU not only meets the design parameters, but in many parameters, NLEU is better than LEU. The fuel element quantity is reduced by 43%, from original 344 to 196; reducing the amount of U-235 loading; improving the Φ/P ratio and the thermal neutron fraction is increased. The results show that the NLEU optimizes some parameters, simplifies the core structure, saves the construction cost, improves the nuclear safety and is more suitable for the application of MNSR.

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4

Wei, Xinzhuo, Jianliang Liu, Xiujian Ding, and Keyu Liu. "Differential hydrocarbon accumulation and enrichment in the northern Kuqa foreland basin, western China." In Second International Meeting for Applied Geoscience & Energy. Society of Exploration Geophysicists and American Association of Petroleum Geologists, 2022. http://dx.doi.org/10.1190/image2022-3748699.1.

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5

Yang, Jing-Hong, Shao-Yong Jiang, Bi Zhu, Dao-Hui Pi, and Hui-Min Su. "Mineralization Characteristics and Genesis of Rare Earth Elements Enrichment in Marine Phosphorites in China." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.2988.

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6

Wong, Vincent W., Thomas K. Chow, and Yangchun Zhan. "Advanced Oxygen Enrichment Technology for Cost Effective Sulfur Recovery Processing Facility Applications in China." In International Petroleum Technology Conference. International Petroleum Technology Conference, 2013. http://dx.doi.org/10.2523/iptc-16511-ms.

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7

Zhao, He, Stephen Grasby, Xiangdong Wang, Lei Zhang, Yongsheng Liu, Zhao-Chu Hu, Zhong-Qiang Chen, and Yuangeng Huang. "Mercury enrichments during the Carnian Pluvial Event (Late Triassic) in South China." In Goldschmidt2022. France: European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.10568.

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8

Wang, Zhuangsen, and Yong Li. "Critical metal elements enrichment mechanism of Late Carboniferous karst bauxite deposits in North China Craton." In Goldschmidt2022. France: European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.11076.

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9

Zhao, Juan. "Low-Level Liquid Waste Treatment System Technical Design in China." In 2013 21st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icone21-15787.

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Анотація:

Radioactive wastes are produced within the nuclear fuel cycle operations (uranium conversion and enrichment, fuel fabrication and spent fuel reprocessing). Evaporation is a proven method for the treatment of liquid radioactive waste providing both good decontamination and high concentration. Two technical designs of nuclear facilities for low-level liquid radioactive waste treatment are presented in the paper and the evaluation of both methods, as well. One method is two-stage evaporation, widely used in the People’s Republic of China’s nuclear facilities; another is two evaporator units and subsequently ion exchange, which is based on the experience gained from TIANWAN nuclear power plant. Primary evaporation and ion exchange ensure the treated waste water discharged to environment by controlling the condensate radioactivity, and secondary evaporation is to control concentrates in a limited salt concentration.

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10

Huang, Guanxing, Jichao Sun, Jihong Jing, Jingtao Liu, Yuxi Zhang, Ying Zhang, Xiaoping Xiang, and Haiwei Cui. "Relationship and Enrichment of Heavy Metals in Soil of Sewage Irrigation Area in Guangdong Province, China." In 2010 4th International Conference on Bioinformatics and Biomedical Engineering (iCBBE). IEEE, 2010. http://dx.doi.org/10.1109/icbbe.2010.5517410.

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Звіти організацій з теми "Chiral enrichment"

1

Joshi, Navalkishore N., Chongsuh Pyun, Verinder K. Mahindroo, Bakthan Singaram, and Herbert C. Brown. Chiral Synthesis via Organoboranes. 33. The Controlled Reaction of B- Alkydiisopinocampheylboranes with Aldehydes Providing a Convenient Procedure for the Enantiomeric Enrichment of the Boronic Ester Products Through Kinetic Resolution. Fort Belvoir, VA: Defense Technical Information Center, June 1991. http://dx.doi.org/10.21236/ada238257.

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