节奏分析视域下的漂流旅游体验研究——以广东省清远市为例

基于列斐伏尔的节奏分析理论,构建具身节奏的旅游研究框架,以广东省清远市的漂流旅游者为样本,采用定性方法探究了其身体作为“节奏反映器”在日常世界、旅游世界以及两者间转换的节奏状态,并重点分析了旅游情境中个体的具身节奏周期及其影响因素。结果发现：1）漂流者的旅游动因主要是社会节奏与自然节奏的失衡。2）进入漂流旅游情境的个体通过身体来感知多重节奏并在与其互动中形成自我的具身节奏,且该具身节奏具有周期性,分为适应期、沉浸期、痛苦期、留恋期;此外,影响漂流旅游者具身节奏体验的因素包括景区自然环境要素、景区人工环境要素、旅游者机能要素、旅游社区要素。3）旅游情境的具身节奏与日常世界的日常节奏具有互构动力,漂流旅游活动通过营造异质空间镜像,让个体在旅游活动中克服焦虑、担忧等与工作生活节奏失衡中相似的负面情绪,进而实现自身活动内外的节奏平衡与自我认知的重塑、提升。     

贵州台江八郎凯里组层序地层及海平面变化初探

贵州台江八郎凯里组以含钙质泥岩—泥灰岩、含钙质泥岩—粉砂岩和含钙质泥岩—灰岩等3种韵律性沉积为主,沉积体系域类型主要包含有大陆边缘体系域、海侵体系域和早期高水位体系域。在凯里组沉积初期,台江地区的水体相对较浅、生物相对较少;随着海平面的上升,生物在分异度和丰度上的大大增加,构成了台江生物群;当海平面升至最高点时,台江沉积区处于一个相对深水的环境,以大量的浮游类和较强游泳能力的生物为特征,成为了凯里生物群的开始;海平面逐渐下降,浮游生物逐渐减少;至凯里组沉积晚期,海平面的下降使台江地区的水体再度变浅、生物化石相对稀少。在台江八郎剖面上,凝缩段之下早寒武世的三叶虫Bathynotus消失,Orycto-cephalusindicus等三叶虫在凝缩段底界出现。凝缩段底界与下、中寒武统界线基本一致,表明了凝缩段是该区下、中寒武统地层划分、对比的关键。     

具神秘色彩的生物节律及其在探矿辅助活动中的应用分析

人体存在着体力、情绪、智力的差异与周期性变化规律,其相应周期为23天,28天,33天。利用个体差异,可计算并绘制节律曲线,指导钻探、运输、山地工程、地质调查诸种活动。脑力劳动者亦概莫能外,从事着科学研究,重大发现、发明,常萌发于具体个体的生物节律曲线的“积极期”中的巅峰。反之,体能、情绪与智能均处于低弱状态。作者以野外运输为论述的中心实体,印证了生物节律的存在和依据生物节律曲线调节有关人员的生产科研活动。     

临震预报讨论--以2001年昆仑山口西8.1级地震为例

以2001年昆仑山口西8．1级地震前的地磁低点位移、地震活动、磁暴倍九和热红外异常,讨论了综合临震预报问题。     

Devonian Sea-Level Change Rhythms in South China and Coupling Relationships Among the Earth-spheres

Twenty orthosequences and their corresponding sea-level change (SLC) cycles have been recognized in the Devonian overlying the Caledonian unconformity, of which 9, 5.5 and 5.5 occurred in the Lower, Middle and Upper Devonian respectively. They can be grouped into 4 orthosequence sets, in which the maximum flooding surfaces lie in the sulcutus Zone (D12), perbonus Zone (D13), Middle and Upper varcus Zone (D22) and gigas Zone (D21) respectively. Four instant palaeogeographical reconstructions of South China have been made in the Emsian and Givetian. Devonian sea-level change rhythms of South China can be divided into 3 categories: the autorhythmic, the worldwide and regional allorhythmic, and the coupling-rhythmic. They developed respectively in the Famennian, Pragian, Eifelian, Lochkovian, Emsian, Givetian, Frasnian and the F / F (between the Frasnian and Famennian) event. The cause of the worldwide allorhythmic SLC of the Pragian and Eifelian under comparatively dry, warm and tranquil conditions may be     

三疣梭子蟹对饵料鱼和蛤摄食参数的研究

研究体重为(9.20±1.50)g的三疣梭子蟹在分别投喂饵料鱼和兰蛤及有无沙底质条件下的昼夜摄食节律、摄食率和昼夜摄食量的差异.结果表明:投喂兰蛤组的三疣梭子蟹摄食高峰在20:00左右,投喂饵料鱼组三疣梭子蟹的摄食高峰在02:00左右;沙底质条件下三疣梭子蟹的夜晚摄食量占全天摄食量的94.34%,而无底质组为75%,表明在潜底环境条件下三疣梭子蟹具有更明显的昼夜摄食节律;投喂兰蛤组三疣梭子蟹黑夜摄食量比值显著高于白天,分别为75%和25%,而投喂鱼组黑夜摄食量比值仅略高于白天,分别为59.21%和40.79%.此外,投喂鱼组白昼摄食率可达80%,显著高于投喂兰蛤组的10%,表明投喂鱼饵料有利于三疣梭子蟹的白昼进食.根据昼夜摄食量对比分析,建议采用白昼投喂占总投喂量20%～30%的鱼肉以降低蜕皮残食,夜晚投喂70%～80%的兰蛤的投喂策略促其生长,并减少梭子蟹的残食.     

Circadian rhythms in the growth and reproduction of the brown alga Undaria pinnatifida and gametogenesis under different photoperiods

Circadian growth rhythm of the juvenile sporophyte of the brown alga Undaria pinnatifida was measured with the computer-aided image analysis system in constant florescent white light under constant temperature (10 ℃). The growth rhythm persisted for 4 d in constant light with a free-running period of 25.6 h. Egg release from filamentous gametophytes pre-cultured in the light-dark regime was evaluated for six consecutive days at fixed time intervals in constant white light and 12 h light per day. Egg release rhythm persisted for 3 d in both regimes, indicating the endogenous nature. Temporal scale of egg release and gametogenesis in 18, 16, 12 and 8 h light per day were evaluated respectively using vegetatively propagated filamentous gametophytes. Egg release occurred 2 h after the onset of dark phase and peaked at midnight. Evaluation of the rates of oogonium formation, egg release or fertilization revealed no significant differences in four light-dark regimes, indicating the great plasticity of sexual reproduction. No photoperiodic effect in gametogenesis in terms of oogonium formation and egg release was found, but fertilization in short days was significantly higher than in long days. Results of this investigation further confirmed the general occurrence of circadian rhythms in intertidal seaweed species.     

福建及其邻近地区地震活动节律性研究

本文通过对福建及其邻近地区五百多年来中强地震序列的研究,结果表明,该地区地震活动存在着明显的节律性,具有在节点上震级最大的特征,从而可预测该区下一次可能发生的中强地震的震级范围。     

新垦沙地引种山楂生长节律的研究

通过对新垦沙地引种山楂的生长发育动态观测，分析了各器官在不同发育阶段变化的原因，为沙地大面积发展山楂，适时采取各项技术措施，达到高产、优质、高效提供依据。     

英文歌曲与英语学习

着重说明英文歌曲对英语学习有着不可忽视的作用。具体介绍了通过英语歌曲的学习,可以丰富知识、陶冶情操、增加英文学习兴趣,并且学生可以灵活多样地运用语言,从听、说、读、写、译上有效地克服了英语学习中的困难。