Flexural Behavior of Typical Chinese Traditional Timber Stitching Beams

In Chinese traditional timber buildings, stitching is very common. When the bearing capacity or the rigidity is inadequate, a timber beam is often strengthened with another beam using the stitching method. The timber stitching beams are mainly of two types—the small-top/big-bottom type and the big-top/small-bottom type. To study the bending behavior of these two types of timber stitching beams, including the failure mode, the flexural capacity, the strain distribution at mid-span section, and the maximum deflection, bending tests are carried out on 14 timber stitching beams with Chinese traditional conformation for seven pine beams and seven fir beams. The results show that the failure modes of the small-top/big-bottom type of stitching beams all show brittle fractures at the bottoms of the bottom beams. The failure modes of the big-top/small-bottom type of stitching beams all show brittle fractures at the bottoms of the top beams. The distribution of section strain along the height of each part of the beam basically obeys plane hypothesis. Based on the theoretical and experimental analysis, the calculation formulas of flexural capacity and maximum deflection of these two types of timber stitching beams made of pine and fir are presented.     

Fluid mixing induced by hydrothermal activity in the ordovician carbonates in Tarim Basin,China

Permian hydrothermal activity in the Tarim Basin may have been responsible for the invasion of hot brines into Ordovician carbonate reservoirs. Studies have been undertaken to explain the origin and geochemical characteristics of the diagenetic fluid present during this hydrothermal event although there is no consensus on it. We present a genetic model resulting from the study of δ¹³C, δ¹⁸O, δ³⁴S, and ⁸⁷Sr/⁸⁶Sr isotope values and fluid inclusions (FIs) from fracture‐ and vug‐filling calcite, saddle dolomite, fluorite, barite, quartz, and anhydrite from Ordovician outcrops in northwest (NW) Tarim Basin and subsurface cores in Central Tarim Basin. The presence of hydrothermal fluid was confirmed by minerals with fluid inclusion homogenization temperatures being >10°C higher than the paleo‐formation burial temperatures both in the NW Tarim and in the Central Tarim areas. The mixing of hot (>200°C), high‐salinity (>24 wt% NaCl), ⁸⁷Sr‐rich (up to 0.7104) hydrothermal fluid with cool (60–100°C), low‐salinity (0 to 3.5 wt% NaCl), also ⁸⁷Sr‐rich (up to 0.7010) meteoric water in the Ordovician unit was supported by the salinity of fluid inclusions, and δ¹³C, δ¹⁸O, and ⁸⁷Sr/⁸⁶Sr isotopic values of the diagenetic minerals. Up‐migrated hydrothermal fluids from the deeper Cambrian strata may have contributed to the hot brine with high sulfate concentrations which promoted thermochemical sulfate reduction (TSR) in the Ordovician, resulting in the formation of ¹²C‐rich (δ¹³C as low as ?13.8‰) calcite and ³⁴S‐rich (δ³⁴S values from 21.4‰ to 29.7‰) H₂S, pyrite, and elemental sulfur. Hydrothermal fluid mixing with fresh water in Ordovician strata in Tarim Basin was facilitated by deep‐seated faults and up‐reaching faults due to the pervasive Permian magmatic activity. Collectively, fluid mixing, hydrothermal dolomitization, TSR, and faulting may have locally dissolved the host carbonates and increased the reservoir porosity and permeability, which has significant implications for hydrocarbon exploration.     

古道遗珍 记国家博物馆《丝绸之路》大型文物展览

2014年11月10日,APEC会议在北京召开,与此同时,由文化部、国家文物局与陕西、甘肃、宁夏、青海、新疆、河南六省区人民政府联合主办,中国国家博物馆承办的大型文物展览——《丝绸之路》于11月6日在北京中国国家博物馆开幕。展览汇集了来自全国16个省区市44家文博单位的490余件文物珍品,     

‘Dead dads’: memory narratives of war-related fatherlessness in Germany

After the Second World War, there were estimated to be around 20 million half-orphans in Europe. In Germany alone, 5.3 million soldiers killed in action left behind approximately 1.2 million widows, nearly 2.5 million half-orphans and about 100,000 complete orphans. This article examines how men and women from various social strata in western and eastern Germany remember their fathers who died in the war and in what way he has been stored in the family's collective memory. The analysis focuses on 30 life-history interviews with men and women from eastern and western Germany with various social and religious backgrounds, all of whom were born between 1935 and 1945 and had little or no memory of their fathers. The following questions are relevant: what memories did children have of their fathers, and what images of them were related by mothers and relatives? What individual, political, social and memory-cultural factors characterise a child's memory of her or his father? The article also analyses trans-generational transmissions and conflicts of how the father's past is remembered.     

Morphological analysis of Ozarkodina prolata Mawson and Ozarkodina midundenta (Wang & Ziegler) (Emsian conodonts) from South China

Lu, J.-F., November 2015. Morphological analysis of Ozarkodina prolata Mawson and Ozarkodina midundenta (Wang & Ziegler) (Emsian conodonts) from South China. Alcheringa 40, xxx–xxx. ISSN 0311-5518.

Investigations of conodonts from Emsian (Lower Devonian) strata at Bahe, Liujing and Daliantang in Guangxi and Yunnan, South China, provide new data on the morphological variability and phylogenetic affinity of Ozarkodina midundenta, a species initially assigned to Pandorinellina but transferred to Ozarkodina herein. Morphological analysis suggests that O. midundenta probably developed from O. prolata by progressive fusion of denticles in the middle third of the blade above the basal cavity in the Pa element.

Jian-feng Lu [lujfivan@sina.cn], Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, PR China. Also affiliated with University of Chinese Academy of Sciences, Beijing 100049, PR China.     

多元场和集群创新：河南省神垕钧瓷文化创意产业的案例分析

通过考察多元场对钧瓷文化创意产业知识创造、流动及学习创新的影响发现：①场为主体的地理、社会及文化认知等临近等提供了条件,有助于经验意会及符号知识的获得、共享与传播,有利于思想的交流碰撞及创意萌生;②生产现场、地方关系场、地方社会场与临时性场在钧瓷的学习创新中发挥着不同而又相互补充的作用。生产场推动着集群知识积累和增进,地方关系场促进了行业知识、生产经验及家族核心知识的传播传承,地方社会场形成了地方共享知识信息,而临时场建立起外部通道联系,发挥着更新地方知识库的作用;③地方性的历史文化资源与传统以及地理-社会-文化等临近造就了外围地区文化创意经济的动力,但若未来本地知识更新的机制不够强大,则易产生发展锁定,这是需要未来引起关注的问题。     

日本的国际战略与中日战争的扩大化——论联接中日战争和太平洋战争的一个关键原因

本文旨在考察日本的国际战略在联接中日战争和太平洋战争中所起到的关键作用。分析的重点包括这个国际战略所包含的五个方面:对中国问题的解决方针;对第三国的政策;对九国公约与既有世界秩序的态度;对国际形势的判断;对"中国问题"与"世界问题"相互关系的应对。文章提示:日本最初在国际战略上采取了不刺激第三国的方针,以期将战争限定在中日两国的范围内单独解决。但是,它的实际行为同它的主观意图背道而驰,不自觉地步步推动美国和国际力量走向援华抑日。在深陷困境之后,面对欧洲局势的变化,在对"东亚新秩序"的执着情结和对包括东南亚在内的"大东亚新秩序"的期待心理的推动下,日本决策层在国际战略上与中国殊途同归,确定了"国际性解决"中日战争的方向。随之,其不仅拒绝退出中国,且进一步结盟德意,刻意通过南进收一举多得之效,从而把战争从中国扩大到东南亚和太平洋。在这一过程中,日本的文职官员在很多场合冲到了军人的前面,反映出日本决策背后的深刻背景。     

近代中国的领券制度

银行业的领券制度,是近代中国货币发行史上一项独特的制度。笔者由于工作的关系,曾对领券制度产生的源流做了初步的梳理。然而,现存关于领券制度的资料比较缺乏,在这方面的研究有待深入。本文仅是提供一些基本情况,并谈点自己肤浅的看法。     

创新之举措,辉煌之亮点——喜读《濮阳市志》

2006年初,在河南省地方史志优秀成果评奖会上,《濮阳市志》（以下简称《濮志》）荣获河南省史志优秀成果一等奖。全书6卷60篇,洋洋400余万字,纵贯上下5000年明史,于2005年由中州古籍出版社出版,犹如一股清新的风,感觉新意扑面而来。《濮志》是河南省唯一的一部两轮修志合一的志书,上承前志之精华,下聚续志各方之卓见,是当代史志园地中的一朵奇葩。[第一段]     

曲阳北岳庙唐李克用题名碑浅析

现藏于河北曲阳北岳庙的唐李克用题名碑是李克用所书。唐中和五年(885年),幽州李克举等犯易定,李克用领兵救援时题字勒石于曲阳北岳庙,其内容可证史,并补史书之遗误。