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Characterization and Evaluation of Standard Enthalpy of Vaporization and Kinetic Studies of Volatile bis(<i>N</i>-ethyl-5-methyl-salicylaldimine)nickel(II) Complex

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American Journal of Analytical Chemistry 2015年第2期6卷 156-163页

作者： Thevabakthi Siluvai Muthu Arul Jeevan Maria Francis george Johnson Atnafu Guadie Assefa Sebastian Arockiasamy Karachalacheruvu Seetharamaiah Nagaraja Department of Chemistry College of Natural and Computational Sciences University of Gondar Gondar Ethiopia Department of Chemistry Loyola Institute of Frontier Energy (LIFE) Loyola College Chennai India Department of Chemistry School of Advanced Sciences (SAS) VIT University Chennai Campus Chennai India

The bis(N-ethyl-5-methylsalicylaldimine)nickel(II) [ni(5-me-saletN)2] complex was synthesized and characterized by elemental analyses, FT-IR, TG-DTA, mass spectrometry and vapour pressure measurement studies. The TG curve of the complex showed a single-step weight loss commencing from 490 K to nil residue at 600 K, without competing fragmentation step. The non-isothermal vaporization activation energy value determined by Coats-Redfern method yielded the value of 93.5 ± 7 kJmol–1. The dynamic TG run proved the complex to be completely volatile. And the equilibrium vapour pressure of the complex over the temperature range of 421 - 524 K, determined by the TG-based transpiration technique yielded the value of 94.2 ± 1.2 kJmol–1 for its standard enthalpy of vaporization . The entropy of vaporization was calculated from the intercept and found to be 249.4 ± 2.6 Jmol–1•K–1.

关键词： nickel Complexes Enthalpy of Vaporization Thermogravimetry Vapour Pressure Kinetic Studies

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国内外乔治·拉明研究述评

重庆交通大学学报（社会科学版） 2016年第3期16卷 89-93页

作者：张璇孙妮安徽师范大学外国语学院安徽芜湖241000

乔治·拉明是当今影响力最大的加勒比裔英国移民作家之一,因对加勒比地区的殖民历史和文化的细致描绘而在国际文坛上享有盛名。其作品复杂难懂,主题多样,由此引发了国外学界的广泛解读与研究,尤其是从历史虚无、身份迷失、语言丧失、政... 详细信息

乔治·拉明是当今影响力最大的加勒比裔英国移民作家之一,因对加勒比地区的殖民历史和文化的细致描绘而在国际文坛上享有盛名。其作品复杂难懂,主题多样,由此引发了国外学界的广泛解读与研究,尤其是从历史虚无、身份迷失、语言丧失、政治霸权、种族隔离以及后殖民主义批评等视角进行分析和评论。与国外相比,国内对拉明的研究尚属起始阶段。

关键词：乔治·拉明英国移民作家研究综述

揭开殖民面具,唤醒身份意识——后殖民批评视角下的《在我皮肤的城堡里》

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安徽理工大学学报（社会科学版） 2016年第3期18卷 67-71页

作者：张璇孙妮安徽师范大学外国语学院安徽芜湖241000

乔治·拉明的代表作《在我皮肤的城堡里》是一部自传体长篇小说,它以20世纪三四十年代加勒比动荡不安的社会为背景,通过对主人公G所在的克莱顿村的学校教育和村民生活的描写,揭示了无处不在的殖民统治和文化霸权影响。小说结尾通过描写... 详细信息

乔治·拉明的代表作《在我皮肤的城堡里》是一部自传体长篇小说,它以20世纪三四十年代加勒比动荡不安的社会为背景,通过对主人公G所在的克莱顿村的学校教育和村民生活的描写,揭示了无处不在的殖民统治和文化霸权影响。小说结尾通过描写从美国回来的特拉姆普尔让G认识到了种族身份问题并最终踏上离乡之路,展现了作家力图通过自我流放,找寻自我身份,唤醒民族身份意识。从后殖民批评视角,探讨《在我皮肤的城堡里》的反殖民和身份意识觉醒主题。

关键词：乔治·拉明《在我皮肤的城堡里》反殖民身份意识觉醒

Cannabinoids function in defense against chewing herbivores in Cannabis sativa L.

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Horticulture Research 2023年第11期10卷 131-140页

作者： george M.Stack Stephen I.Snyder Jacob A.Toth Michael A.Quade Jamie L.Crawford John K.McKay John nicholas Jackowetz Ping wang Glenn Philippe Julie L.Hansen Virginia M.Moore Jocelyn K.C.Rose Lawrence B.Smart Horticulture Section School of Integrative Plant ScienceCornell UniversityCornell AgriTechGenevaNY 14456United States Plant Biology Section School of Integrative Plant ScienceCornell UniversityIthacaNY 14853United States Plant Breeding Section School of Integrative Plant ScienceCornell UniversityIthacaNY 14853United States Department of Agricultural Biology Colorado State UniversityFort CollinsCO 80523United States Cirona Labs GenevaNY 14456United States Department of Entomology Cornell UniversityCornell AgriTechGenevaNY 14456United States

In the decades since the first cannabinoids were identified by scientists,research has focused almost exclusively on the function and capacity of cannabinoids asmedicines and intoxicants for humans and other *** little is knownabout the adaptive value of cannabinoid production,though several hypotheses have been proposed including protection from ultraviolet radiation,pathogens,and *** test the prediction that genotypeswith greater concentrations of cannabinoidswill have reduced herbivory,a segregating F2 population of Cannabis sativa was leveraged to conduct lab-and field-based bioassays investigating the function of cannabinoids in mediating interactions with chewing *** the field,foliar cannabinoid concentration was inversely correlated with chewing herbivore *** detached leaves,Trichoplusia ni larvae consumed less leaf area and grew less when feeding on leaves with greater concentrations of *** electron and light microscopy were used to characterize variation in glandular trichome ***-free genotypes had trichomes that appeared *** isolate cannabinoids from confounding factors,artificial insect diet was amended with cannabinoids in a range of physiologically relevant *** grew less and had lower rates of survival as cannabinoid concentration *** results support the hypothesis that cannabinoids function in defense against chewing herbivores.

关键词： function founding ultraviolet

Spatial and Temporal Distribution of Polychlorinated Biphenyl Residues in Tropical Soils

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Open Journal of Applied Sciences 2016年第4期6卷 234-247页

作者： John K. Bentum David K. Dodoo Peter K. Kwakye David K. Essumang george A. Adjei Department of Chemistry College of Agric & Natural Sciences University of Cape Coast Cape Coast Ghana University College of Agriculture and Environmental Studies Bunso Eastern Region Ghana

Polychlorinated biphenyls (PCBs) in tropical soil samples from the Central Region of Ghana, and their variation with the soil characteristics were assessed. The soil characteristics of seventy eight samples were first determined. The PCBs was extracted with (1:1) hexane:acetone mixture, and then the extract treated with concentrated H2SO4, 5% KMnO4 and copper. The extract was finally eluted from a silica gel column with hexane:dichloromethane (97:3 v/v), and the PCBs analyzed using a gas chromatograph equipped with 63ni electron capture detector (GC-ECD model CP 3800). The composition of PCBs homologous in the soils followed the order: hexa-PCBs (31.89%) > penta- PCBs (23.98%) > tri-PCBs (18.47%) > tetra-PCBs (13.67%) > hepta-PCBs (11.99%). The PCB congener profile in the study area was PCB 28 > PCB 153 > PCB 138 > PCB 52 > PCB 101 > PCB 180 > PCB 118. The mean concentration of the PCB congeners (dry matter basis) was PCB 28, 2.27 ± 2.436;PCB 52, 1.84 ± 2.27;PCB 101, 2.17 ± 2.52 μg/kg;PCB 118, 0.83 ± 0.89 μg/kg;PCB 138, 0.99 + 0.91 μg/kg;PCB 153, 1.18 ± 1.11 μg/kg and PCB 180, 1.18 ± 1.19 μg/kg. The mean concentrations of ΣPCBs were 9.15 ± 0.52 μg/kg for the surface soils (0 - 10 cm), 7.55 ± 0.56 μg/kg and 7.82 ± 0.55 μg/kg for the 10 - 20 cm and 20 - 30 cm sub-surface soils respectively. Significant but weak correlations were observed between PCBs and the soil pH, moisture, and exchangeable base. The coefficient of determination for all significant correlations was between 6.6% and 18.75%.

关键词： Polychlorinated Biphenyls Soil Properties Principal Component Analysis Contamination

Tropical cyclogenesis:Controlling factors and physical mechanisms

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Tropical Cyclone Research and Review 2023年第3期12卷 165-181页

作者： V.P.M.Rajasree Xi Cao Hamish Ramsay Kelly M.Nú~nez Ocasio Gerard Kilroy george R.Alvey III Minhee Chang Chaehyeon Chelsea Nam Hironori Fudeyasu Hsu-Feng Teng Hui Yu India Meteorological Department GoaIndia Chinese Academy of Sciences BeijingChina CSIRO EnvironmentAspendaleVictoriaAustralia National Center for Atmospheric Research ColoradoUSA Institut f¨ur Physik der Atmosph¨are Deutsches Zentrum f¨ur Luft-undBerlinGermany Cooperative Institute for Marine and Atmospheric Studies University of MiamiMiamiFloridaUSA NOAA/Atlantic Oceanographic and Meteorological Laboratory/Hurricane Research Division MiamiFloridaUSA Korea Institute of Science and Technology SeoulRepublic of Korea Colorado State University ColoradoUSA Yokohama National University YokohamaJapan National Center for Atmospheric Research/Pacific Science Association ColoradoUSA Shanghai Typhoon Institute/China Meteorological Administration ShanghaiChina

In this review,advances in the understanding of the controlling factors and physical mechanisms of tropical cyclogenesis(TCG)are summarized from recent(2018–2022)research on TCG,as presented in the Tenth International workshop on Tropical Cyclones(IwTC-10).Observational,theoretical,and numerical modeling studies published in recent years have advanced our knowledge on the influence of large-scale environmental factors on ***,studies have shown clearly that appropriate convective coupling with tropical equatorial waves enhances the development chances of *** recently,illuminating research has been carried out on analyzing the mechanisms by which oscillations and teleconnections(El ni˜no Southern Oscillation(ENSO)in particular)modulate TCG globally,in association with changes in the sea surface temperature(SST).In addition to this,recent research has diligently addressed different aspects of *** studies have reported the applicability of unified theories and physical mechanisms of TCG in different ocean ***,research has been carried out on TCG under different flow pattern regimes,dry air intrusion,importance of marsupial pouch,genesis of Medicanes,wind shear,convection and vertical ***,studies have discussed the possibility of near equatorial TCG provided that there is enough supply of background vertical vorticity and relatively low vertical wind *** has been made to understand the role of climate change on global and regional ***,there are still significant gaps which need to be addressed in order to better understand TCG prediction.

关键词： Tropical cyclogenesis AEw ENSO SST Marsupial pouch Dry air intrusion Moderate shear Convection Near equatorial TCG Climate change

咳喘六味合剂对重度COPD肾阳虚证患者肺功能和生活质量的影响

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上海中医药杂志 2017年第2期51卷 37-39页

作者：穆颖王伟倪伟上海中医药大学附属龙华医院浦东分院上海200126

目的评价咳喘六味合剂对重度COPD肾阳虚证患者肺功能和生活质量的影响。方法将108例重度COPD稳定期患者随机分为对照组(36例)和治疗组(72例);对照组给予舒利迭常规剂量吸入,治疗组给予咳喘六味合剂联合小剂量舒利迭吸入,疗程均为3个月... 详细信息

目的评价咳喘六味合剂对重度COPD肾阳虚证患者肺功能和生活质量的影响。方法将108例重度COPD稳定期患者随机分为对照组(36例)和治疗组(72例);对照组给予舒利迭常规剂量吸入,治疗组给予咳喘六味合剂联合小剂量舒利迭吸入,疗程均为3个月。观察两组临床疗效及治疗前后患者肺功能、6 min步行距离、圣乔治呼吸问卷评分和生活质量评分的变化。结果治疗组总有效率为84.72%,对照组为58.33%;治疗组临床疗效优于对照组(P0.05)。治疗后,两组患者6 min步行距离、圣乔治呼吸问卷和生活质量评分较治疗前增加(P<0.01),且治疗组增加较对照组显著(P<0.05)。结论咳喘六味合剂可提高COPD临床疗效和改善患者肺功能及生活质量。

关键词：咳喘六味合剂慢性阻塞性肺疾病肺功能生活质量

布地奈德福莫特罗吸入剂治疗慢性阻塞性肺疾病的临床效果观察

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中国当代医药 2018年第3期25卷 39-41,44页

作者：范艳妮孙小琴成都军区总医院呼吸内科四川成都610083

目的探究布地奈德福莫特罗吸入剂治疗慢性阻塞性肺疾病的的临床效果。方法选取2015年8月~2017年8月我院收治的120例慢性阻塞性肺疾病患者为研究对象,按随机数字表法分为实验组和对照组,每组60例。其中对照组采用常规治疗,实验组在常规... 详细信息

目的探究布地奈德福莫特罗吸入剂治疗慢性阻塞性肺疾病的的临床效果。方法选取2015年8月~2017年8月我院收治的120例慢性阻塞性肺疾病患者为研究对象,按随机数字表法分为实验组和对照组,每组60例。其中对照组采用常规治疗,实验组在常规治疗的基础上辅以布地奈福德莫特罗吸入剂治疗,两组治疗周期均为8周。比较两组患者治疗前后肺功能、6-wMD及治疗期间不良反应发生率,并采用圣乔治呼吸困难问卷(SGRQ)量表和CAT问卷评估两组患者治疗前后的生活质量。结果与治疗前相比,实验组患者的FEV_1、FEV_1pred%、FEV_1/FVC有所降低,6-wMD、SGRQ评分和CAT评分有所改善,差异有统计学意义(PwMD、SGRQ评分和CAT评分无显著变化,差异无统计学意义(P>0.05);治疗后,试验组FEV_1、FEV_1pred%、FEV_1/FVC、6-wMD、SGRQ评分和CAT评分显著优于对照组,差异有统计学意义(P<0.05)。结论布地奈德福莫特罗吸入剂能有效缓解慢性阻塞性肺疾病患者的临床症状,提高肺功能,改善患者的生活质量,值得临床推广使用。

关键词：慢性阻塞性肺疾病布地奈德福莫特罗吸入剂治疗结果临床观察

改善大型齿轮性能的离子氮化—感应加热硬化复合处理

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热处理技术与装备 1987年第5期 3-4页

作者： Charles Bronson george C.Carter 杜树芳长春光机所

美国得克萨斯州朗成乌的Marathon—LeTourneau公司是大型道路用工业车辆和设备的制造厂家,这些装备的零件热处理都有特殊的要求。该公司可生产前端斗式装载机、推土机、木材堆垛机、叉式升降卡车、货场吊车和巨型载重卡车(可装运土达170... 详细信息

美国得克萨斯州朗成乌的Marathon—LeTourneau公司是大型道路用工业车辆和设备的制造厂家,这些装备的零件热处理都有特殊的要求。该公司可生产前端斗式装载机、推土机、木材堆垛机、叉式升降卡车、货场吊车和巨型载重卡车(可装运土达170吨)。这些车辆的每个车轮都是由独立的电力系统驱动的。一台柴油发动机驱动一台直流发电机,这台发电机提供电力驱动每一个车轮的电动机。电动车轮驱动装置含有10只大小齿轮。小齿轮由SAE4820(20ni3Mo)和9310钢制造,经过渗碳,淬火回火达硬度Rc60-63。倒向轴齿轮由SAE4340(40ni2CrMo)

关键词：离子氮化渗氮感应加热电加热复合处理