bluuebunny/crossref_metadata_2025_split huggingface dataset:
The National Archives of Cameroon in Yaoundé and Buea
Authors: Maderspacher Alois 
Published: November 2010

Even in learned journals on African and imperial history, few references have been made to the records contained in the archives in Cameroon, West Africa. Kamerun was a German colony (Schutzgebiet) from 1884-1916/19. In 1911, the Germans took over New Cameroon (Neu Kamerun), 295,000 km2of land of French Equatorial Africa, ceded during the second Morocco Crisis. After World War I this transaction was reversed and the German colony was separated into French and British League of Nations Mandates in 1919. These mandates were transformed into United Nations Trusteeships in 1946. Finally, French Cameroun became independent in 1960, and after a plebiscite in 1961, one part of the British Cameroons joined Nigeria and the other part reunited with the formerly French part, now the independent Federal Republic of Cameroon.Due to the involvement of three colonial powers in Cameroon, the national archives in Yaoundé and Buea are an excellent source for the colonial history of West Africa, allowing for a simultaneous analysis of German, French, and British files. Whereas the colonial files in the European archives mainly give us the point of view of high politics, the archives in Cameroon offer a different dimension. The files reveal the intricacies of the colonial system on the ground, and the problems with which the colonial administrator had to cope in the bush: How did one introduce European legal tender in a territory never touched by Europeans before? How did one cope with the colonial rivals, who were couching at the frontiers to take over the territory? How did one attempt to win peoples' hearts and minds day in and day out? What happened when the new colonial power took over a territory with an already developed administration from another colonial power, as it took place in Cameroon in 1911 and 1916/19? The national archives of Cameroon contain potential answers to these questions. Hence this paper will focus on the sources that are available for the colonial period in these archives.
A Note on the Liberian Archives
Authors: Osborne Myles 
Published: November 2010

Two decades of civil war have left Liberians facing many challenges. One such group includes those concerned with the preservation and maintenance of Liberia's archives, which were severely compromised during the period of conflict. This paper provides a brief introduction for scholars as to the nature of Liberia's archival materials available in-country, the impact of the war on the collections, and details about how scholars interested in the history of Liberia may access these records.There are three archival collections in Liberia. The first is at the Ministry of Foreign Affairs on Tubman Boulevard, between 12th and 13th Streets. The second is at the Center for National Documents and Records (National Archives) at 96 Ashmun Street, while the third—the Presidential Archives—is at the Executive Mansion on Capitol Hill.
The Sediment of Nomadism
Authors: Kaufmann Jeffrey C. 
Published: November 2010

And the grass dried up. And without grass their flocks and herds must die. And upon these animals depended both the shelter and food of the race—life itself.Nomadism is a category imagined by outsiders and it brings with it many suppositions about pastoral life.…This essay began as a footnote in which I construed “cactus pastoralism” as an anomaly in the pastoralist literature. I had found that the raising of zebu cattle in southern Madagascar on mixed diets of grass and prickly pear cactus of the genusOpuntiadid not fit the standard definition of pastoralism as “the raising of livestock on ‘natural’ pasture unimproved by human intervention.” By that definition the Mahafale herders whom I had observed striving to keep their zebu cattle alive in the arid environment by “improving” their pastures with cactus “water-food” appeared not to be pastoralists at all.I attributed the problem to a stifling typology giving precedence to “natural” grasslands that rendered invisible human agency in the making of such landscapes. I singled out the problematic concept of “pure” or “true” nomads, in which their “life itself—as Merian Cooper wrote at the beginning ofGrass, and which I quoted above—depended entirely on their keeping livestock mobile. In the footnote I reasoned that “Western scholars of pastoralist societies rely on a typology or terminology that defines the form of pastoralism in relation to whether they are close or far from pure nomadism. Pastoralist studies have flirted with the modern constitution. As Latour wrote, ‘hybrids are indeed accepted, but solely as mixtures of pure forms in equal proportion.’“
Madiki Lemon, the “English Captain” at Ouidah, 1843–1852: an Exploration in Biography
Authors: Law Robin 
Published: November 2010

The history of the commercial entrepôts on the Atlantic coast of West Africa in the pre-colonial period is far from being a neglected topic, but has attracted considerable academic research. The potential value of a biographical (or prosopographical) approach to the social history of such coastal communities has also long been recognized, the classic pioneering example being Margaret Priestley's study of the Brew family of Anomabu, on the Gold Coast (modern Ghana), founded by the locally settled Irish slave-trader Richard Brew (died 1776). The case of the Brews, however, presents exceptionally favorable conditions for the reconstruction both of individual biography and of collective family history, in that the founder was literate and generated a considerable corpus of written records which survives to the present, while for subsequent generations of the family the early establishment of an institutionalized form of British proto-colonial administration on the Gold Coast also yielded relatively abundant documentation.Elsewhere on the coast, and more particularly for individuals and families lower down the social scale, the amount of evidence available is likely to be much more limited and fragmentary. The present article represents a tentative attempt at a biography of a person of much lesser eminence than Richard Brew or his descendants, which may therefore be regarded as a venture into the field of subaltern history. To the extent that it also concerns someone who generated no documentation of his own, but whose life has to be reconstructed from incidental references in the records of the external agencies with whom he had dealings, it is also conceived as a methodological exploration of the possibility of extracting an African voice and perspective from European (and Eurocentric) sources.
A History of the Rio Pongo: Time for a New Appraisal?
Authors: Mouser Bruce L. 
Published: November 2010

Forty-five years ago (1965), when some of us were beginning our studies of the history of the Upper Guinea coast, there existed only a few published general histories of Guinea-Conakry or region-based models to guide us. André Arcin's substantial works (1907 and 1911) provided original but awkward structures from which we could commence our work, but his monographs tended to be based heavily upon a colonial presence, a necessity to make sense of a complex colony, and a reliance upon oral traditions or other uncitationed sources, many of which could not be tested a half century later. Christopher Fyfe's comprehensive history of Sierra Leone had just been published in 1962. Fyfe's foremost emphasis was to chronicle the development of the Sierra Leone settlement and chart that colony's progress, but his extensive documentation was extraordinary in that it demonstrated the clear link between the “Northern Rivers” and British enterprise from Freetown and opened Britain's archives as sources of information about the history of these rivers in new and profound ways.Earlier works by Lucien Marie Francois Famechon, Jules Machat, Fernand Rouget, Laurent Jean B. Bérenger-Férand, Ch. Bour, and others, centering upon the peoples, economies, and terrain of coastal rivers, continued to be instructive, but these authors were writing at the end of the nineteenth and the beginning of the twentieth century, and they tended to treat the histories of indigenous peoples as interesting and exotic and at the same time relatively unimportant to the colony's regional development.
African Girls' Samplers from Mission Schools in Sierra Leone (1820s to 1840s)
Authors: Strickrodt Silke 
Published: November 2010

In an article in this journal almost fifteen years ago, Colleen Kriger discussed the reluctance of historians of Africa to use objects as sources in their research. She pointed to the rich reservoir of objects “made by African hands” in museum collections around the world, which lies virtually untapped by historians. However, she also noted that while objects are “unusually eloquent remnants from the past,” they are problematic sources, presenting “special difficulties in evaluation and interpretation.”The purpose of this article is to draw attention to the existence of a number of embroidery samplers that were stitched by African girls in mission schools in the British colony of Sierra Leone in the period from the 1820s to the 1840s. So far, I have found thirteen of these samplers, which are preserved in a number of archival, private and museum collections in Europe and the USA. To historians, these pieces of needlework are of interest because they were generated by a group of people for whom we do not usually have first-hand documentary material. Moreover, they represent the direct material traces of the activity of the girls who made them, and thus appear to offer the possibility of an emphatic insight into their experience.However, these “textile documents” present serious problems of interpretation. What exactly can they be expected to tell the modern historian? In particular, how far, in fact, do they express the perspectives of the African girls who made them, as distinct from the European missionaries who directed their work? Careful source criticism and an examination of the purpose for which they were produced will help to clarify these issues.
Liberia and the Atlantic World in the Nineteenth Century: Convergence and Effects
Authors: Allen William E. 
Published: November 2010

William C. Burke, an African American emigrant in Liberia, wrote the following to an acquaintance in the United States on 23 September 1861:This must be the severest affliction that have visited the people of the United States and must be a sorce [sic] of great inconvenience and suffering and although we are separated from the seane [sic] by the Atlantic yet we feel sadly the effects of it in this country. The Steavens not coming out as usual was a great disappointment and loss to many in this country.Burke's lamentation about the impact of the American Civil War on the distant Atlantic shores of Africa underscores a problem—and opportunity—in Liberian historiography. Burke's nineteenth-century world extended past the distinct national boundaries that separated the United States and Liberia. Geographically, this was the vast littoral of the four continents—Africa, Europe, North America, and South America—abutting the Atlantic Ocean. But the Atlantic world, as historians now dubbed this sprawling transnational zone, was much more extensive. Societies near and faraway were also drawn into the web of socioeconomic activities in the basin. The creation of the Atlantic world spanned almost four centuries, from the late fifteenth to the waning decades of the nineteenth century. In this period, an unprecedented multitude of migrants crisscrossed the Atlantic creating a vast network. For example, by the nineteenth century, regular transatlantic packages such as theMary Caroline Stevenswhose delay Burke called “a great disappointment,” transported passengers, provisions, and dispatches between the United States and Liberia.
Sovereignty and Socialism in Tanzania: The Historiography of an African State
Authors: Bjerk Paul K. 
Published: November 2010

Observers of the Tanzanian political scene would point out that the country makes its own decisions on matters of internal and international importance. The policy ofUjamaa Vijijini[African socialism in the villages], it would be argued, was formulated here and not at the dictate of any foreign power.In an edited volume entitledThe State in Tanzania, published in 1980 just before the precipitous denouement of President Julius Nyerere's philosophy of African socialism known asUjamaa, Haroub Othman began with the question of the sub-title, “Who Controls it and Whose Interest Does it Serve?” The cover featured a large black question mark on a red background. Provocatively Othman asked, “can one say in a specific and definite sense that Tanzania is building socialism?” Exhibiting a remarkable level of open criticism of the government in a one-party state, the essays framed their issues in the Marxist terms that were long predominant in literature on the Tanzanian state. The book dealt with an ongoing concern that Tanzania's ambitious goals for democracy and development were not being met and the overarching nationalist question of which sovereign defined those goals. It was a question that continues to vex political scientists of Africa today who seek to reconcile Westphalian concepts of sovereignty with the layered realities of African polities struggling to exert sovereign authority both internally and externally.Reviewing a representative sample of nearly fifty years of scholarship on the postcolonial Tanzanian state, one is struck by the tension enervating Othman's essays. Scholars are torn between the impulse to understand the theoretical implications of Tanzania's experience for socialism and a more pragmatic concern to evaluate the country's claim to sovereign authority.
Effect of cytoskeletal element degradation on merging of concentration waves in slow axonal transport
Authors: Kuznetsov Andrey , Avramenko Andriy , Blinov Dmitry 
Published: November 2010

Abstract
The aim of this paper is to investigate, by means of a numerical simulation, the effect of the half-life of cytoskeletal elements (CEs) on superposition of several waves representing concentrations of running, pausing, and off-track anterograde and retrograde CE populations. The waves can be induced by simultaneous microinjections of radiolabeled CEs in different locations in the vicinity of a neuron body; alternatively, the waves can be induced by microinjecting CEs at the same location several times, with a time interval between the injections. Since the waves spread out as they propagate downstream, unless their amplitude decreases too fast, they eventually superimpose. As a result of superposition and merging of several waves, for the case with a large half-life of CEs, a single wave is formed. For the case with a small half-life the waves vanish before they have enough time to merge.
Climacostol inhibits Tetrahymena motility and mitochondrial respiration
Authors: Muto Yoshinori , Tanabe Yumiko , Kawai Kiyoshi , Okano Yukio , Iio Hideo 
Published: November 2010

Abstract
Climacostol is a resorcinol derivative that is produced by the ciliate Climacostomum virens. Exposure to purified climacostol results in lethal damage to the predatory ciliate Dileptus margaritifer and several other ciliates. To elucidate the mechanism of climacostol toxic action, we have investigated the effects of this compound on the swimming behavior of Tetrahymena thermophila and the respiratory system of isolated rat liver mitochondria. When added to living T. thermophila cells, climacostol markedly increased the turning frequency that was accompanied by a decrease in swimming velocity and subsequently by cell death. Observations by DIC and fluorescence microscopy showed morphological alterations in climacostol treated T. thermophila, indicating that climacostol might exert cytotoxic action on this organism. In the experiment with isolated rat liver mitochondria, climacostol was found to inhibit the NAD-linked respiration, but had no apparent effect on succinate-linked respiration. This finding indicates that climacostol specifically inhibits respiratory chain complex I in mitochondria. The combination of results suggest that the inhibition of mitochondrial respiration may be the cytotoxic mechanism of climacostol’s defenses against predatory protozoa.
Influence of the preparation methods on the microstructure and oxygen permeability of a CO2‐stable dual phase membrane
Authors: Luo Huixia , Jiang Heqing , Efimov Konstantin , Caro Jürgen , Wang Haihui 
Published: November 2010

AbstractA CO2‐stable dual phase membrane of the composition 40 wt % NiFe2O4‐60 wt % Ce0.9Gd0.1O2‐δ (40NFO‐60CGO) was synthesized in three different ways: mixing of the starting powders (1) in a mortar and (2) in a ball‐mill as well as by (3) direct in situ one‐pot sol–gel powder synthesis. Backscattered scanning electron microscopy revealed that the direct one‐pot synthesis of 40NFO‐60CGO gives the smallest grains in a homogeneous distribution, compared with powder homogenization in the mortar or the ball‐mill. The smaller is the grains, the higher is the oxygen permeability. The permeation of the membrane can be improved by coating a porous La0.6Sr0.4CoO3‐δ (LSC) layer on the surface of the air side. The dual phase membrane of 40NFO‐60CGO prepared by in situ synthesis shows a steady oxygen flux of 0.30 ml/(min cm2) over more than 100 h when pure CO2 was used as sweep gas, which indicated that the dual phases membrane is CO2‐resistant at least over this 5 days testing period. © 2010 American Institute of Chemical Engineers AIChE J, 2011
Partial oxidation of palm fatty acids over Ce‐ZrO2: Roles of catalyst surface area, lattice oxygen capacity and mobility
Authors: Laosiripojana Navadol , Kiatkittipong Worapon , Assabumrungrat Suttichai 
Published: November 2010

AbstractNanoscale Ce‐ZrO2, synthesized by cationic surfactant‐assisted method, has useful partial oxidation activity to convert palm fatty acid distillate (PFAD; containing C16–C18 compounds) to hydrogen‐rich gas with low carbon formation problem under moderate temperatures. At 1123 K with the inlet O/C ratio of 1.0, the main products from the reaction are H2, CO, CO2, and CH4 with slight formations of gaseous high hydrocarbons (i.e., C2H4, C2H6, and C3H6), which could all be eliminated by applying higher O/C ratio (above 1.25) or higher temperature (1173 K). Compared with the microscale Ce‐ZrO2 synthesized by conventional coprecipitation method, less H2 production with relatively higher C2H4, C2H6, and C3H6 formations are generated from the reaction over microscale Ce‐ZrO2. The better reaction performances of nanoscale Ce‐ZrO2 are linearly correlated with its higher specific surface area as well as higher oxygen storage capacity and lattice oxygen mobility, according to the reduction/oxidation measurement and 18O/16O isotope exchange study. © 2010 American Institute of Chemical Engineers AIChE J, 2011
Optimal design of multiperiod batch‐storage network including transportation processes
Authors: Yi Gyeongbeom , Reklaitis Gintaras V. 
Published: November 2010

AbstractAn optimally designed of batch‐storage network that uses a periodic square wave model provides analytical lot‐sizing equations for a complex supply chain network characterized as a multisupplier, multiproduct, multi‐stage, nonserial, multicustomer, cyclic system, with recycling or remanufacturing. The network structure includes multiple currency flows and material flows. The processes involve multiple feedstock and product materials with fixed compositions that are highly suitable for production processes. Transportation processes that carry multiple materials of unknown composition are included in this study, and the time frame is varied from a single infinite period to multiple finite periods to accommodate nonperiodic parameter variations. The objective function in the optimization is chosen to minimize the difference between the opportunity costs of currency/material inventories and stockholder benefits given in the numeraire currency. Expressions for the Kuhn‐Tucker conditions for the optimization problem are reduced to a multiperiod subproblem describing the average flow rates and the analytical lot‐sizing equations. The multiperiod lot‐sizing equations are shown to differ from their single‐period counterparts. The multiperiod subproblem yields a multiperiod planning model that has many advantages over existing planning models. For example, it contains terms that represent operation frequency dependent costs. Realistically sized numerical examples that deal with multinational corporations are formulated and tested. The effects of corporate income taxes, interest rates, and exchange rates are presented. © 2011 American Institute of Chemical Engineers AIChE J, 2011
Isocyanide in der Synthese von Stickstoff‐Heterocyclen
Authors: Lygin Alexander V. , de Meijere Armin 
Published: November 2010

AbstractIsocyanide bewähren sich seit langem als unersetzliche Bausteine in der modernen organischen Chemie. Die einzigartigen Eigenschaften der Isocyanogruppe machen Isocyanide für die Synthese etlicher wichtiger Klassen von Stickstoff‐Heterocyclen wie Pyrrolen, Indolen oder Chinolinen besonders wertvoll. In letzter Zeit wurde eine ganze Reihe von Cocyclisierungen von Isocyaniden über Zwitterionen und radikalische Intermediate ebenso wie übergangsmetallkatalysierte Synthesen verschiedener Arten von Heterocyclen entwickelt. Methoden, die von Isocyaniden ausgehen, weisen oftmals deutliche Vorteile gegenüber alternativen Wegen auf, was oft der verbesserten Konvergenz und der Einfachheit solcher Verfahren sowie der großen Vielfalt einfach zugänglicher Isocyanide geschuldet ist. So finden Isocyanide auch in enantioselektiven Synthesen chiraler heterocyclischer Verbindungen einschließlich Naturstoffen Verwendung.