WorldCat Identities

刘珺珺

Overview
Works: 23 works in 25 publications in 2 languages and 46 library holdings
Genres: Academic theses  Trials, litigation, etc 
Roles: Author
Publication Timeline
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Most widely held works by 刘珺珺
Ke xue she hui xue by Junjun Liu( Book )

1 edition published in 1990 in Chinese and held by 7 WorldCat member libraries worldwide

Ben shu di yi bu fen zong jie le ke xue she hui xue de quan mian nei rong, Xiang xi chan shu le ke xue zuo wei she hui xue de yan jiu dui xiang de te dian, Chan sheng de li shi bei jing he she hui huan jing, Xue shu yuan yuan he gui fan fang fa de xing cheng;Di er bu fen shi ke xue ji shu ren lei xue bu fen. Nei rong you:yong ren lei xue fang fa yan jiu ke xue de gai shu, Zhen zheng yi yi xia yong ren lei xue fang fa yan jiu ke xue ji shu de wen xian(han wang luo yan jiu)Deng nei rong
Zhi shi chan quan fa pan li yu zhi du yan jiu by Ying Xiong( Book )

1 edition published in 2012 in Chinese and held by 5 WorldCat member libraries worldwide

Ben shu cai yong"li lun gai shuo yu zheng ming- pan li fen xi- zhi du shi yong"de mo shi jin xing zhuan ti yan jiu. Shou xian, Jiu zhuan ti bu fen she ji de ji ben li lun zuo jian yao de jie shao, Bing jiu zheng yi wen ti jin xing shu li;Qi ci, Xuan ze yu zheng yi li lun bu fen xiang guan lian de pan li bing jin xing xiang ying de ping xi;Zui hou, Jiu pan li she ji de li lun zheng yi wen ti, Yan jiu xiang guan zhi du de shi yong
"Zi ran bian zheng fa" wen ti jie da by Junjun Liu( Book )

3 editions published in 1980 in Chinese and held by 5 WorldCat member libraries worldwide

Wu xing xue yuan : zhi shi zai ke xue gong tong ti de kuo san by Diana Crane( Book )

1 edition published in 1988 in Chinese and held by 4 WorldCat member libraries worldwide

Ben shu shi ke xue she hui xue de ji ben zhu zuo. zuo zhe shen ru du dao di jie shi le ke xue gong tong ti zhong she hui zu zhi bian hua yu ke xue zhi shi zeng chang de lian xi
Ping hai lin feng de tian jin( Book )

1 edition published in 2014 in Chinese and held by 4 WorldCat member libraries worldwide

Ben shu cong tian jin sheng gai kuang chu fa, Tong guo chuai mo tian jin sheng de di tu xing zhuang, Wei tian jin fu yu tie qie zheng xiang de bi yu ru shou, Yong xing xiang sheng dong de shi ji yu yu yan, Fan ying ben qu yu de te se wen hua, Gan shou ben qu yu zi ran de, Li shi de, Ren wen de wen ming zhi mei, Wei du zhe zhan xian tian jin ren de you xiu jing shen pin zhi. Quan shu bian pai ti li zhu yao san ge mo kuai, Ji di li zheng qu, Wen hua dian mian, Lü you ti yan. Qi zhong xin shi wen hua dian mian(qu yu wen hua wei zhu), You di li zheng qu yin chu wen hua dian mian, You lü you ti yan geng jin yi bu yin zheng wen hua dian mian
Interaction of magnetic field and flow in the outer shells of giant planets by Junjun Liu( Book )

1 edition published in 2006 in English and held by 2 WorldCat member libraries worldwide

Ke xue de sheng ming = The life of science by Sadun( Book )

1 edition published in 1987 in Chinese and held by 1 WorldCat member library worldwide

Ben shu shi ke xue shi de yi bu ming zhu. Quan shu gong fen li jie li de chuan bo;Mi mi de li shi;Dong fang yu xi fang;Zhi wen geng yun, Bu wen shou huo deng si ge bu fen
Sheng wu xue si xiang de fa zhan : Duo yang xing, jin hua yu yi chuan by Eensite Maier( Book )

1 edition published in 1990 in Chinese and held by 1 WorldCat member library worldwide

Anti-inflammatory butenolide derivatives from the coral-derived fungus Aspergillus terreus and structure revisions of aspernolides D and G, butyrolactone VI and 4′, 8′′-diacetoxy butyrolactone VI1( )

1 edition published in 2018 in English and held by 1 WorldCat member library worldwide

Abstract : Chemical investigation of the coral-derived fungus Aspergillus terreus led to the discovery of ten butenolide derivatives (1–10 ), including four new ones (1–4 ). Abstract : Chemical investigation of the coral-derived fungus Aspergillus terreus led to the discovery of ten butenolide derivatives (1–10 ), including four new ones (1–4 ). The new structures were characterized on the basis of comprehensive spectroscopic analysis, including 1D and 2D NMR and HRESIMS data. Compounds1 and2 were a pair of rare C-8′′ epimers with vicinal diol motifs. The absolute configurations of1–4 were determined via [Mo2 (AcO)4 ] induced circular dichroism (ICD) spectra and comparison of their experimental ECD spectra. Importantly, the structures of reported aspernolides D and G, butyrolactone VI and 4′, 8′′-diacetoxy butyrolactone VI have been correspondingly revised via a combined strategy of experimental validations, 13 C NMR predictions by ACD/Labs software, and 13 C NMR calculations. Herein we provide valuable referenced 13 C NMR data (C-7′′, C-8′′, and C-9′′) for the structure elucidations of butenolide derivatives with 1-(2-hydroxyphenyl)-3-methylbutane-2, 3-diol, 2-(2, 3-dihydrobenzofuran-2-yl)propan-2-ol, or 2, 2-dimethylchroman-3-ol motifs. Additionally, all the isolates (1–10 ) were assessed for anti-inflammatory activity by measuring the amount of NO production in lipopolysaccharide (LPS)-induced RAW 264.7 mouse macrophages, and compound10 showed an even stronger inhibitory effect than the postive control indomethacin, presenting it as a promising lead compound for the development of new anti-inflammatory agents
Kʻo hsüeh she hui hsüeh by Junjun Liu( Book )

1 edition published in 1990 in Chinese and held by 1 WorldCat member library worldwide

The epidemiology of supernumerary teeth and the associated molecular mechanism( )

1 edition published in 2017 in English and held by 1 WorldCat member library worldwide

ABSTRACT: Supernumerary teeth are common clinical dental anomalies. Although various studies have provided abundant information regarding genes and signaling pathways involved in tooth morphogenesis, which include Wnt, FGF, BMP, and Shh, the molecular mechanism of tooth formation, especially for supernumerary teeth, is still unclear. In the population, some cases of supernumerary teeth are sporadic, while others are syndrome-related with familial hereditary. The prompt and accurate diagnosis of syndrome related supernumerary teeth is quite important for some distinctive disorders. Mice are the most commonly used model system for investigating supernumerary teeth. The upregulation of Wnt and Shh signaling in the dental epithelium results in the formation of multiple supernumerary teeth in mice. Understanding the molecular mechanism of supernumerary teeth is also a component of understanding tooth formation in general and provides clinical guidance for early diagnosis and treatment in the future
Nanostructures: Ultraviolet-Visible Chiroptical Activity of Aluminum Nanostructures (Small 39/2017)( )

1 edition published in 2017 in English and held by 1 WorldCat member library worldwide

Abstract : In article number1701112, Zhifeng Huang and co-workers report chiral aluminum nanostructures with strong, stable chiroptical activity in the UV-visible region that are fabricated by glancing angle physical vapor deposition. The chiroptical activity originates from the hidden helicity or helicity duplication from the chiral host, and the latter can be generally adapted to diverse plasmonic metals
Interaction of magnetic field and flow in the outer shells of giant planets by Junjun Liu( )

1 edition published in 2006 in Undetermined and held by 1 WorldCat member library worldwide

This study of the interaction of magnetic field and flow in the outer shells of giant planets consists of three parts. Part one: The atmospheres of Jupiter and Saturn exhibit strong and stable zonal winds. Busse suggested that they might be the surface expression of deep flows on cylinders. However, the deep flow hypothesis experiences difficulty when account is taken of the electrical conductivity of molecular hydrogen as measured in shockwave experiments. The deep zonal flow of an electrically conducting fluid would produce a toroidal magnetic field, an associated poloidal electrical current, and Ohmic dissipation. In steady state, the total Ohmic dissipation cannot exceed the planet's net luminosity. If we assume that the observed zonal flow penetrates along cylinders until it is truncated to (near) zero at some spherical radius, the upper bound on Ohmic dissipation constrains this radius to be no smaller than 0.95 Jupiter radius and 0.87 Saturn radius. The truncation of the cylindrical flow in the convective envelope requires an appropriate force to break the Taylor-Proudman constraint. We have been unable to identify any plausible candidate. Thus we conclude that deep-seated cylindrical flows do not exist. Part two: A fluid shell with sufficient electrical conductivity and azimuthal velocity shear outside of the dynamo generation region can attenuate the non-axisymmetric component of the magnetic field. However, the interaction of the axisymmetric component of the magnetic field and the zonal flow is able to reduce the magnitude of zonal flow. The dimensionless number characterizing this reduction is the Chandrasekhar number. The smaller Saturnian field may allow a larger velocity shear and a greater attenuation of the non-axisymmetric field, thereby providing a possible explanation for the nearly axisymmetric field. Part three: Combining the study for the attenuation effect produced by the semi-conducting layer and the observation of the magnetic field by Gali
Cloning, expression and characterization of a novel rat protein kinase, prk2 by Junjun Liu( )

1 edition published in 2002 in English and held by 1 WorldCat member library worldwide

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1 edition published in 2016 in English and held by 1 WorldCat member library worldwide

Interaction of magnetic field and flow in the outer shells of giant planets by Junjun Liu( Book )

1 edition published in 2006 in Undetermined and held by 1 WorldCat member library worldwide

This study of the interaction of magnetic field and flow in the outer shells of giant planets consists of three parts. Part one: The atmospheres of Jupiter and Saturn exhibit strong and stable zonal winds. Busse suggested that they might be the surface expression of deep flows on cylinders. However, the deep flow hypothesis experiences difficulty when account is taken of the electrical conductivity of molecular hydrogen as measured in shockwave experiments. The deep zonal flow of an electrically conducting fluid would produce a toroidal magnetic field, an associated poloidal electrical current, and Ohmic dissipation. In steady state, the total Ohmic dissipation cannot exceed the planet's net luminosity. If we assume that the observed zonal flow penetrates along cylinders until it is truncated to (near) zero at some spherical radius, the upper bound on Ohmic dissipation constrains this radius to be no smaller than 0.95 Jupiter radius and 0.87 Saturn radius. The truncation of the cylindrical flow in the convective envelope requires an appropriate force to break the Taylor-Proudman constraint. We have been unable to identify any plausible candidate. Thus we conclude that deep-seated cylindrical flows do not exist. Part two: A fluid shell with sufficient electrical conductivity and azimuthal velocity shear outside of the dynamo generation region can attenuate the non-axisymmetric component of the magnetic field. However, the interaction of the axisymmetric component of the magnetic field and the zonal flow is able to reduce the magnitude of zonal flow. The dimensionless number characterizing this reduction is the Chandrasekhar number. The smaller Saturnian field may allow a larger velocity shear and a greater attenuation of the non-axisymmetric field, thereby providing a possible explanation for the nearly axisymmetric field. Part three: Combining the study for the attenuation effect produced by the semi-conducting layer and the observation of the magnetic field by Gali
Optical properties of chiral plasmonic nanoparticles and mesoporous silicon nanowires by Junjun Liu( )

1 edition published in 2017 in English and held by 1 WorldCat member library worldwide

The generation of helical metamaterials, which have strong, engineerable chiroptical activity in the UV-visible region, has attracted increasing attention due to the manipulation of the circular polarization state of light to develop diverse homochirality-associated bio-applications. Glancing-angle deposition with fast substrate rotation is performed to generate plasmonic helical NPs (PhNPs) with a helical pitch (P) of less than 10 nm, which is so much smaller than the wire diameter (d) that the PhNPs appear to be achiral NPs. The PhNPs exhibit chiroptical activity that originates intrinsically from hidden helicity, characterized by circular dichroism (CD). With an increase of P from 3 to 66 nm, the plasmonic CD signals barely shift but show a logarithmic amplification. PhNPs made of aluminum, silver, and copper exhibit a stable chiroptical response from the deep UV (~220 nm) region to the visible region. When an achiral plasmonic nanostructure guest is coated on a PhNP host (i.e., a chiral host@achiral guest nanostructure is created), the achiral guest becomes chiroptically active due to helicity transfer from the chiral host to the achiral guest. Such a helicity transfer can be generally adapted to diverse plasmonic metals to tailor the plasmonic chiroptical response flexibly in the UV-visible region. Furthermore, an amplification of the near-field optical chirality induced by the PhNPs would pave a novel way to performing asymmetric syntheses, for which investigations are currently lacking. Silver PhNPs are used to effectively mediate the enantioselective photocyclodimerization of 2-anthracenecarboxylate: left-handed silver PhNPs lead to a positive ee (enantiomeric excess) value, and right-handed silver PhNPs give rise to a negative ee value. The enantioselectivity is enhanced with a decreasing P. The PhNP-mediated enantioselective photocyclodimerization is ascribed to the synergistic contribution from chirally helical surface-induced enantioselective adsorption of 2-anthracenecarboxylate and chiroptically active nanoplasmon-enhanced optical chirality of near-field circularly polarized light
 
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Audience level: 0.82 (from 0.29 for Kʻo hsüeh ... to 0.94 for Ping hai l ...)

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