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中国医药导报 2015年第26期12卷 50-53,95页

作者：吴伟旋吴志华许军向前崔周国苏淑文黄小微南方医科大学南方医院卫生经济管理科广东广州510515 南方医科大学南方医院科研处广东广州510515

目的：考评自测健康评定量表（SRHMS V1.0）测评交通警察健康状况的信度和效度。方法现场测试500名交通警察的自测健康状况,考核SRHMS V1.0的分半信度、内部一致性、效标效度、结构效度和反应度。结果SRHMS V1.0的分半信度系数是0.804,C... 详细信息

目的：考评自测健康评定量表（SRHMS V1.0）测评交通警察健康状况的信度和效度。方法现场测试500名交通警察的自测健康状况,考核SRHMS V1.0的分半信度、内部一致性、效标效度、结构效度和反应度。结果SRHMS V1.0的分半信度系数是0.804,Cronbach＇sα系数为0.942；量表总分与SF-36总分的相关系数是0.783,量表总分以及3个子量表分与其相应的健康总体自测条目得分间均存在密切相关；各维度与其所属子量表间存在较强相关性（0.588-0.937）,其所包含的条目得分与该维度分的相关系数较大（0.473-0.926）；因子分析结果与SRHMS V1.0的理论结构基本吻合；天花板/地板效应呈现出较好的反应度。结论应用SRHMS V1.0评价交通警察健康状况是有效的、可靠的且灵敏的。

关键词：自测健康量表交通警察信度效度

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Potential use of Lactobacillus casei AST18 as a bioprotective culture in yogurt

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FOOD CONTROL 2013年第2期34卷 675-680页

作者： Li, Hongjuan Liu, Lu Zhang, shuwen Uluko, Hankie cui, Wenming Lv, Jiaping Chinese Acad Agr Sci Inst Agro Prod Proc Sci & Technol Minist Agr Key Lab Agro Prod Proc Beijing 100193 Peoples R China

This study investigated the inhibitory effects of Lactobacillus casei AST18 as a biocontrol agent on fungi spoilage in yogurt. In a yogurt preservation period experiment and mould-proof accelerated testing at 4 degrees C, the addition of 2% (v/v) L. casei AST18 in yogurt completely inhibited mould growth;mould growth was significantly delayed and spore germination was inhibited at 30 degrees C. The addition of L. casei AST18 improved the quantity of Lactobacillus, but the number of Streptococcus lactis in 2% AST18-added yogurt decreased by 1.0 Log (cfu/mL) compared with that in the blank group. L. casei AST18 exerted no significant influence on viscosity, water holding capacity, sensory quality, pH and titratable acidity. The post-acidification effect of L casei AST18 was low. L casei AST18 conspicuously inhibited the growth of filamentous fungi. Therefore, L casei AST18 can be used as a bioprotective culture in yogurt to prevent fungal growth and extend shelf life. (C) 2013 Elsevier Ltd. All rights reserved.

关键词： Yogurt Antifungal Lactobacillus casei Bioprotective culture

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The Hengshan low-angle normal fault zone: Structural and geochronological constraints on the Late Mesozoic crustal extension in South China

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TECTONOPHYSICS 2013年 606卷 97-115页

作者： Li, Jianhua Zhang, Yueqiao Dong, shuwen Su, Jinbao Li, Yong cui, Jianjun Shi, Wei Chinese Acad Geol Sci Inst Geomech Beijing 100081 Peoples R China Chinese Acad Geol Sci Beijing 100037 Peoples R China Univ Calif Los Angeles Dept Earth & Space Sci Los Angeles CA 90095 USA Univ Calif Los Angeles Inst Geophys & Planetary Phys Los Angeles CA 90095 USA

We document in this paper a significant low-angle normal fault, namely the Hengshan detachment fault, which extends more than 150 km long in NNE orientation and bounds an elongated Early Cretaceous basin in Hunan Province, central South China. Detailed structural and geochronological analyses have been conducted along its southern segment, where a well exposed, similar to 3 km thick, flat ductile shear zone develops along the western margin of the Hengshan granitic massif. This zone is featured by shallow-dipping foliations of varied trend from NE to NW, which bear penetrative stretching lineations varying from NW to SW trend. Shear sense criteria indicate top-to-the-NW and top-to-the-SW motions along its northern and southern parts, respectively. Quartz c-axis orientations of mylonitic rocks from the shear zone exhibit asymmetric single or crossed girdle patterns, and the distributions of fabric point maxima suggest a simultaneous operation of basal and prism slips, indicating a deformation temperature ranging from 400 degrees C to 550 degrees C. One zircon U-Pb age of the sheared albitite and three muscovite 40Ar/39Ar ages of the mylonitic rocks indicate that the ductile shearing initiated at 136 Ma and lasted till 97 Ma. The zircon U-Pb dating results of five granitic samples from the Hengshan granitic pluton yield two phases of crystallization ages of 232-228 Ma and 150-151 Ma respectively, indicating two preceding magmatic events prior to the ductile shearing in the lower plate. Our structural and geochronological data allow defining the Hengshan massif as an extensional dome, rather than a metamorphic core complex as previously predicted, due to the lack of syn-tectonic plutonism and the origin of detachment fault associated with the reactivation of the inherited thrust. This study provides crucial evidence for understanding how the mid-upper crust deformed during the process of extension, which testifies to a coeval occurrence of non-coaxial deformati

关键词： Hengshan detachment fault SHRIMP zircon U-Pb 40Ar/39Ar geochronology Late Mesozoic Extensional structures South China

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Zircon U-Pb geochronology of the Mesozoic metamorphic rocks and granitoids in the coastal tectonic zone of SE China: Constraints on the timing of Late Mesozoic orogeny

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JOURNAL OF ASIAN EARTH SCIENCES 2013年 62卷 237-252页

作者： cui, Jianjun Zhang, Yueqiao Dong, shuwen Jahn, Bor-ming Xu, Xianbing Ma, Licheng Chinese Acad Geol Sci Inst Geomech Beijing 100081 Peoples R China Natl Taiwan Univ Dept Geosci Taipei 106 Taiwan China Univ Geosci Fac Earth Sci Wuhan 430074 Hubei Peoples R China

The coastal Changle-Nan'ao tectonic zone of SE China contains important geological records of the Late Mesozoic orogeny and post-orogenic extension in this part of the Asian continent. The folded and metamorphosed T-3-J(1) sedimentary rocks are unconformably overlain by Early Cretaceous volcanic rocks or occur as amphibolite facies enclaves in late Jurassic to early Cretaceous gneissic granites. Moreover, all the metamorphic and/or deformed rocks are intruded by Cretaceous fine-grained granitic plutons or dykes. In order to understand the orogenic development, we undertook a comprehensive zircon U-Pb geochronology on a variety of rock types, including paragneiss, migmatitic gneiss, gneissic granite, leucogranite, and fine-grained granitoids. Zircon U-Pb dating on gneissic granites, migmatitic gneisses, and leucogranite dyke yielded a similar age range of 147-135 Ma. Meanwhile, protoliths of some gneissic granites and migmatitic gneisses are found to be late Jurassic magmatic rocks (ca. 165-150 Ma). The little deformed and unmetamorphosed Cretaceous plutons or dykes were dated at 132-117 Ma. These new age data indicate that the orogeny lasted from late Jurassic (ca. 165 Ma) to early Cretaceous (ca. 135 Ma). The tectonic transition from the syn-kinematic magmatism and migmatization (147-136 Ma) to the post-kinematic plutonism (132-117 Ma) occurred at 136-132 Ma. (C) 2012 Elsevier Ltd. All rights reserved.

关键词： Zircon U-Pb dating Changle-Nan'ao tectonic zone Late Mesozoic tectononthermal event SE China

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二氧化硅负载磷钼钒酸铯选择性催化硝化苯酚为邻硝基苯酚

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应用化学 2014年第7期31卷 817-822页

作者：刘丽君慈英倩王齐聊龚树文崔庆新山东省化学储能与新型电池技术重点实验室聊城大学化学化工学院聊城252059

采用溶胶-凝胶法制备了二氧化硅负载磷钼钒酸铯催化剂,利用XRD、红外、SEM以及物理吸附等技术手段对催化剂进行了表征分析,并以稀硝酸(30%)为硝化剂,考察了该催化剂对苯酚硝化反应的催化性能,系统研究了反应时间、催化剂用量、硝酸与苯... 详细信息

采用溶胶-凝胶法制备了二氧化硅负载磷钼钒酸铯催化剂,利用XRD、红外、SEM以及物理吸附等技术手段对催化剂进行了表征分析,并以稀硝酸(30%)为硝化剂,考察了该催化剂对苯酚硝化反应的催化性能,系统研究了反应时间、催化剂用量、硝酸与苯酚用量以及催化剂重复利用等对催化反应的影响。结果表明,制备的负载磷钼钒酸铯催化剂具有典型的Keggin结构,在温和的苯酚硝化反应条件下,表现出优良的催化活性和高的邻硝基苯酚选择性,在实验优化条件下,邻硝基苯酚收率达到88%,催化剂回收方便可多次重复使用。负载磷钼钒酸铯催化苯酚硝化反应结合水蒸汽蒸馏提供了一种简单可行的制备邻硝基苯酚的方法。

关键词：苯酚硝化催化邻硝基苯酚

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氯取代基对经典Diels-Alder反应影响的密度泛函研究

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河南科技学院学报（自然科学版） 2014年第6期42卷 35-39页

作者：姚树文崔乘幸张艺川河南科技学院河南新乡453003 河南师范大学化学化工学院河南新乡453000

使用密度泛函理论研究了氯取代基对经典Diels-Alder反应势能曲线的影响.结果表明:在氯取代基存在时,乙烯与1,3-丁二烯的Diels-Alder反应中各个稳定点的关键键长一定程度上变短;反应中氯取代基降低了乙烯的LUMO能量,反应能垒有所降低,反... 详细信息

使用密度泛函理论研究了氯取代基对经典Diels-Alder反应势能曲线的影响.结果表明:在氯取代基存在时,乙烯与1,3-丁二烯的Diels-Alder反应中各个稳定点的关键键长一定程度上变短;反应中氯取代基降低了乙烯的LUMO能量,反应能垒有所降低,反应过程中各个稳定点的相对吉普斯自由能降低;顺式-1,3-丁二烯更容易反应,该反应的协同机理能量上比双自由基分步机理更加有利.

关键词： M06-2X Diels-Alder 反应机理

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川黔湘构造带构造样式及深部动力学制约

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吉林大学学报（地球科学版） 2014年第2期44卷 490-506页

作者：苏金宝董树文张岳桥李勇陈宣华崔建军张交东河海大学地球科学与工程学院南京210098 中国地质科学院地质力学研究所北京100081 中国地质科学院北京100037

川黔湘构造带可划分为4个不同的构造带,其中雪峰山构造带地理位置特殊,恰位于华南块体南北向重力梯度带上,两侧岩石圈厚度差异显著,其成因机制历来是争论的焦点。雪峰山构造带基底是一个花状结构,与川黔隔槽式褶皱带构成一个整体,为一... 详细信息

川黔湘构造带可划分为4个不同的构造带,其中雪峰山构造带地理位置特殊,恰位于华南块体南北向重力梯度带上,两侧岩石圈厚度差异显著,其成因机制历来是争论的焦点。雪峰山构造带基底是一个花状结构,与川黔隔槽式褶皱带构成一个整体,为一个厚皮结构。雪峰山基底在沅麻盆地隆升最高,表现为压扭性构造特点。参考深反射剖面,绘制了研究区浅层与深部结构地质剖面。板块受挤压,中、上地壳与下地壳存在不同的耦合方式,对此分析了研究区下地壳的变形过程。雪峰山下地壳向下存在对冲,形成山根,但并没有俯冲至地幔。随地壳加厚,岩石圈发生弯曲,下地壳与上地幔存在瑞利泰勒不稳定性,并下沉至软流圈地幔。晚中生代,伸展背景下的软流圈上涌使雪峰山以东岩石圈发生拆沉,致使两侧岩石圈厚度出现差异。

关键词：雪峰山构造带江南造山带深部结构岩石圈褶皱动力学

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Effects of microwave and ultrasound pretreatments on enzymolysis of milk protein concentrate with different enzymes

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INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2013年第11期48卷 2250-2257页

作者： Uluko, Hankie Zhang, shuwen Liu, Lu Chen, Jianhang Sun, Yanjun Su, Yanling Li, Hongjuan cui, Wenming Lv, Jiaping Chinese Acad Agr Sci Inst Agrofood Sci & Technol Beijing 100193 Peoples R China Bunda Coll Agr Dept Agr Engn Fac Agr Lilongwe Malawi

Milk protein concentrate was pretreated either by microwave irradiation or by ultrasound before initiation of 3-h enzymatic hydrolysis. The duration of pretreatment ranged from 1 to 8min at a power level of 800W, with the control not being subjected to any pretreatment, and five enzymes (Alcalase, Trypsin, Neutrase, Alkaline Protease and Flavourzyme) were employed. The effects of microwave and ultrasound pretreatments on the kinetics and degree of hydrolysis, protein solubility, bitterness and angiotensin-converting enzyme inhibitory activity were evaluated. Pretreatments increased the degree of hydrolysis and stabilised the solubility of the hydrolysates but could not significantly reduce bitterness of the hydrolysates The angiotensin-converting enzyme inhibitory activity of the hydrolysates were improved with 5-min ultrasound-pretreated Neutrase hydrolysates giving IC50 value of 0.23mg mL(-1). Kinetic parameters showed improved catalytic efficiencies. Pretreatments of milk protein concentrates with either microwave or ultrasound significantly improve the bioactivity and functional characteristics of the resulting hydrolysates.

关键词： Bioactivity hydrolysis kinetics microwave milk protein concentrate ultrasound

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Response surface optimization of angiotensin converting enzyme inhibition of milk protein concentrate hydrolysates in vitro after ultrasound pretreatment

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INNOVATIVE FOOD SCIENCE & EMERGING TECHNOLOGIES 2013年 20卷 133-139页

作者： Uluko, Hankie Li, Hongjuan cui, Wenming Zhang, shuwen Liu, Lu Chen, Jianhang Sun, Yanjun Su, Yanling Lv, Jiaping Chinese Acad Agr Sci Inst Agrofood Sci & Technol Beijing 100193 Peoples R China Bunda Coll Agr Fac Agr Dept Agr Engn Lilongwe Malawi

Studies were conducted on ultrasound pretreatment of milk protein concentrate (MPC) before enzyme hydrolysis in order to produce hydrolysates with potent angiotensin converting enzyme (ACE) inhibitory activity. The effects of three independent variables of ultrasound pretreatment time (min), hydrolysis time (h) and enzyme-to-substrate ratio (%) on ACE inhibition as determined by central composite rotatable design were investigated in vitro. Optimization was achieved by response surface method. All the independent variables showed significance at 95% confidence level in contributing to ACE inhibition. According to response surface analysis, the optimum conditions for producing hydrolysates with the highest ACE inhibition were ultrasound pretreatment time, hydrolysis time and enzyme-to-substrate ratio of 4.11 min, 232 h and 2.33%, respectively. Under these optimal conditions, the theoretical ACE inhibition was 0.044 mg mL(-1). Model validation yielded satisfactory results indicating relevance of the model to explain ACE inhibition while ultrasound pretreatment showed strongest effect on ACE inhibition of MPC hydrolysates. Industrial relevance: Milk protein concentrate has reportedly produced inferior bioactive compounds when compared to other milk proteins such as whey protein concentrate and sodium caseinate. Through the use of ultrasound pretreatment, milk protein concentrate can be used to produce more potent ACE inhibitory fractions comparable to those from non-aggregated milk protein sources. The use of short ultrasound pretreatment time offers an attractive route for industrial production of bioactive compounds from milk protein concentrate and other complex protein sources. (C) 2013 Published by Elsevier Ltd.

关键词： Milk protein concentrate Ultrasound Hydrolysis Angiotensin converting enzyme Optimization

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Intracontinental Evolution of Western Jiangnan Orogen in Neoproterozoic:Insight from Granite Gravel of Fanjingshan,South China

Intracontinental Evolution of Western Jiangnan Orogen in Neo...

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The First Joint Scientific Meeting of Geological Society of China (GSC) and Geological Society of America (GSA) (Roof of the world)

作者： SU Jinbao ZHANG Yueqiao DONG shuwen CHEN Xuanhua LI Yong cui Jianjun School of Earth Sciences and Engineering Hohai University Institute of Geomechanics Chinese Academy of Geological Sciences

The debate of assembly time between Yangtze and Cathaysia has aroused the disputation on the formation mechanism of Jiangnan Orogen,South *** widespread magmatism of 830-750 Ma in South China is interpreted as product of either plume or arc magmatism,which results in distinctive depositional background in *** granite gravel located at the unconformity between Banxi Group and Fanjingshan Group in the western Jiangnan Orogen is chosen,which gives a new age limit to the deposition of Banxi and Nanhu *** granite gravel crystallized in Neoproterozoic with weighted mean Pb/U age of789±11 Ma,which probably represents the end of the Sibao orogeny and marks the onset of Nanhua *** zircons have negative εHf（t） of-2.1 to-6.0,T of 1.38-1.52 Ga and T of 1.81-1.98 *** negative εHf（t）values of zircons imply that they derived from continental crust,and an ancient orogen earlier than Sibao orogeny under the western Jiangnan Orogen is discussed.

关键词： Sibao orogeny Nanhua rift Rodinia supercontinent

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