中非关系影响因素的实证分析

进入新世纪,中非关系成为引人注目的焦点。本文运用实证的方法,利用可获得的数据,选取模型,探讨哪些因素突出地影响了中非关系。笔者首先从国际关系主流理论的视角,提出影响中非关系因素的理论假设;其次,介绍方法与数据;最后,对模型进行分析和讨论。通过对中非关系影响因素的多元回归分析,我们可以对诸因素在影响中非高层交往的作用上进行排序。经济因素是中非关系的重心和主导因素;安全因素是第二位的影响因素;文化因素的影响作用还尚未体现

基于语义与街景数据的生活型街道界面研究——以南宁市新竹路、凤翔路为例

街道是城市中重要的公共空间,是为市民提供活动、社交和通勤的开放场所。近年来,街道的空间品质成为研究的重点。本文在整合、剖析现阶段国内街道领域研究的基础上,从步行者视角出发,采用语义分析与街景图片数据测评相结合的方法,对南宁市具有代表性的生活型街道步行空间进行了分段分析。通过对街道空间的环境界面和建筑界面进行精细化研究,希望为生活型街道步行空间界面优化策略提供有效的技术手段。厦门大学校长基金项目(20720190017

新区开发中商业设施布局对社区归属感的影响——以新加坡为例

我国城市高速发展,新区开发成为解决住房短缺问题的主要途径之一,但对居民生活及城市结构影响较大的商业设施布局还存在许多问题,阻碍了居民更好地融入社区环境。同为亚洲高密度城市的新加坡在此方面与中国诸多城市存在共性。因此,以新加坡新城建设历程及商业配套模式的演变为例,比较分析了五个新加坡新城案例中商业设施的用地指标、布局方式及空间类型,并通过居民的消费行为及其对社区社交环境测评,发现商业设施对社区归属感建设有着重要影响。基于新加坡新城建设中的经验与教训,针对中国新区开发的商业配套模式,提出商业设施种类多元化及层次化、分布便利化、布局开放化及合理化的建议。福建省中青年教师教育科研项目(JA15005

谷氨酸受体拮抗剂可通过调节脑源性神经营养因子水平改善强迫症模型小鼠的刻板行为

目的在RU24969强迫症（OCD）小鼠模型中探究NMDA受体拮抗剂氟乙基美金刚（FENM）能否改善强迫样行为及探索其潜在机制。方法将32只小鼠随机分成Saline组（n=8），RU24969组（n=8），RU+FENM组（n=8），FENM组（n=8），根据不同组别分别给予FENM或等量生理盐水进行预处理，30 min后再予RU24969或等量生理盐水进行造模。造模后1 h进行行为学测试，测试结束后取血清检测脑源性神经营养因子（BDNF）的水平。于尾静脉注射伊文思蓝，并检测脑组织中染料的含量，评估该模型血脑屏障是否受损。结果FENM治疗能够显著改善RU24969模型小鼠的重复刻板绕圈行为（F=39.850， P＜0.001）并缓解其持续运动（F=50.200， P＜0.001），此外能够显著提高RU24969强迫模型小鼠血清BDNF的水平（F=18.930， P＜0.001）。结论NMDA受体拮抗剂FENM可能通过调节BDNF的水平从而缓解强迫症小鼠的刻板行为，发挥抗强迫疗效，且RU24969该模型以及FENM治疗对血脑屏障未产生显著影响

Study of hydrodynamics and its impact on mariculture carrying capacity of Sanggou Bay:observation and modeling

主要介绍了从动力学研究桑沟湾养殖容量的主要思路、方法及结果。研究以精细过程观测为基础,以数值模型为手段,从物理海洋学角度考察养殖海区水动力特征,研究水动力对物质循环的影响、对颗粒态/溶解态营养物质的补充和对养殖生物量的影响,探寻不同养殖模式效果的技术路线;介绍了两个航次设计方案与目的。通过观测发现养殖对水动力垂直结构有很大影响,底层流速最大并滞后表层,发现弱动力条件下海底颗粒物和营养盐无法进入水体上层的事实。据此提出双边界层动力模型,建立一维数值模型进行机制探讨,将养殖阻力三维化建立水动力数值模型,定量给出养殖对水动力和水交换的阻碍;以此驱动三维养殖生态模型,充分考虑养殖对水动力的影响、水动力对生源要素的输运。建立了一个真正的物理-生物过程耦合模型。利用该模型进行的数值模拟和实验表明,贝藻兼养多元养殖是健康、高效养殖的有利措施;桑沟湾在现有养殖模式下,目前已基本达到了它的养殖容量,养殖品种分布不变,减少养殖密度至目前的0.9倍会略微提高产量,降低成本;减少湾口海带养殖密度,会大幅度提高贝藻兼养区的营养盐总量和养殖生物产量,从海带与贝类经济价值对比会有更高的效益。人为提高水动力混合或许是解决湾内营养盐缺乏的途径。The background and themes of dynamic study on mariculture carrying capacity of Sanggou Bay were described.The method used for this study was based on the fine processes observation,using physical oceanography theory and numerical model to examine the interaction between mariculture and hydrodynamics in Sanggou Bay.Design proposal and purposes for two cruises were introduced.Based on the observation we found that the kelp and the raft influenced the current vertical structure greatly,and the maximum velocity was at the lower layer with strong phase delay.It was also found that the damped current was too weak to mix the sediment detritus and nutrients into the upper layer.Based on these discoveries a double drag-boundary hydrodynamic model was proposed by adding the aquaculture drag at surface.The mechanism of kelp influence on the current profile was studied numerically by a one-dimension model.Considering the kelp drag in the water column besides the boundary drag,a three-dimension hydrodynamic model was adopted to quantify the influence of the aquaculture on hydrodynamics and water exchange of Sanggou Bay.A physical-biological coupled aquaculture ecosystem model was established using DIN,POM concentration and phytoplankton with kelp biomass as variable.The simulation and numerical experiments showed that polyculture was a useful method for healthy and high-efficiency aquaculture.Sanggou Bay has nearly reached its capacity under present aquaculture mode.By cutting down aquaculture density to 0.9 fold of the present density,the total production of kelp will slightly increase and the cost will be reduced.Cutting down the kelp density at the mouth of the bay could greatly enhance the amount of nutrients and biomass in the kelp-bivalve-culture area in the inner side.Artificial mixing might bring more nutrients from seabed in the bay.国家基础研究规划重点项目(2006CB400602);国家重点基金项目(40830854)共同资

Evaluation on difference of therapeutic efficacy of Jiawei Xiaoyao Granules and Pills in treatment of emotional disorder during perimenopause based on Greene Climacteric Scale

目的:在前期加味逍遥丸治疗围绝经期情绪障碍具有比较优势的基础上,基于grEEnE量表探讨其颗粒剂和丸剂不同剂型间疗效差异。方法:经筛选后患有情绪障碍的围绝经期女性75例随机等分为A、b、C3组,分别对应采用帕罗西汀、加味逍遥丸和加味逍遥颗粒剂治疗8周。所有患者在治疗前后各进行1次grEEnE及其子因子评定,并在观察期结束时进行TESS评定。结果:grEEnE总分差及其焦虑、抑郁因子分差:3种治疗方法均能改善,且相互间无显著差异;grEEnE性因子和血管因子分差:后二组均优于A组(P<0.01);TESS评分:与A组比较,b、C组均有统计学意义(P<0.01),评分均小于A组,且后二组间无显著差异。结论:加味逍遥的2种剂型间疗效无显著差异,考虑到帕罗西汀的不良反应,治疗该病加味逍遥的2种剂型都值得推荐。Objective: To investigate the difference in therapeutic efficacy between Jiawei Xiaoyao Granules and pills based on the preliminary research of treating emotional disorder during perimenopause with Jiawei Xiaoyao Pills and Greene Climacteric Scale.Methods: 75 female patients with emotional disorder during perimenopause were slected and randomly divided into 3 groups as group A, B and C.Patients in the 3 groups were treated with paroxetine, Jiawei Xiaoyao Pills and Jiawei Xiaoyao Granules respectively for 8 weeks.Greene and Greene factors assessment were carried out in all the patients before and after treatment, and the TESS assessment was carried out at the end of the observation period.Results: The three therapies all could improve the gap in total score of Greene and its factors as anxiety and depressed, and the difference among these three groups was no significant.The factors of Greene and gap in score of vascular factors of group B and C was better than that of group A(P<0.01).The difference in TESS score between group A and group B and C was significant(P<0.01), while the difference between group B and group C was not significant.Conclusion: The difference in curative effect between the two formulations was not significant.Because of the adverse reactions of paroxetine, in the treatment of emotional disorder during perimenopause, the two formulations of Jiawei Xiaoyao Powder were worth to be recommended.国家自然科学青年基金项目(No.81302960)~

Data communication and monitoring system for cigarette making machine

本实用新型涉及一种卷烟机数据通信、监控装置,包括:烟支检测单元,在线采集卷烟机各质量检测信号的实时数据,并对上述数据进行分析,剔除不合格烟支;监控器,通过现场总线接收烟支检测单元上传的实时数据,对该数据进行统计、更新、保存;方法包括:监控器向烟支检测单元发送读写命令;触发接收中断,如果烟支检测单元接收的数据满足通讯协议,则对内置存储器进行读写操作;向监控器发送响应帧数据;如果接收到烟支检测单元发送的响应帧数据,且满足通讯协议,则表明本次通信成功。本实用新型信号稳定,抗干扰能力强,具有突出的可靠性、实时性和灵活性,解决了监控器和烟支检测单元各结点之间的通信频繁、数据对象和种类繁多的问题

Effects of revegetation on organic carbon storage in deep soils in hilly Loess Plateau region of

以黄土丘陵区不同恢复年限的人工刺槐林、人工柠条林和自然撂荒地为对象,以0～100cm(浅层)土壤为对照,研究了不同植被类型下100～400cm(深层)土壤有机碳(SOC)储量的剖面分布特征和累积动态.结果表明:随土壤深度增加,浅层SOC储量显著降低,深层SOC变化趋势不明显,但储量很高,约占0～400cm剖面SOC的60%.80～100cm土层的SOC储量与深层100～200和200～400cm的SOC储量呈显著线性相关,是0～100cm5个土层中与深层SOC储量变化相关性最强的一层,可用以估算深层SOC储量.人工刺槐林、柠条林、撂荒地表层(0～20cm)SOC储量显著高于坡耕地,而深层SOC储量在不同利用类型间差异不显著.随植被恢复年限的增加,深层SOC储量呈上升趋势,人工刺槐林和人工柠条林100～400cmSOC平均累积速率分别为0.14和0.19t&middot;hm-2&middot;a-1,人工柠条林与浅层SOC累积速率相当.在估算黄土丘陵区植被恢复的土壤固碳效应时,应考虑深层土壤有机碳累积量,否则会严重低估植被恢复的土壤固碳效应.</span