bluuebunny/crossref_metadata_2025 huggingface dataset:
Produtividade e proteína bruta de pastagens de capim elefante manejadas sob os sistemas agroecológico e convencional
Authors: Olivo Clair Jorge , Aguirre Priscila Flôres , Araújo Tiago Luís da Ros de , Diehl Michelle Schalemberg , Bem Cláudia Marques de , Serafim Gabrielle , Correa Marcos da Rosa
Published: July 2013

O objetivo desta pesquisa foi avaliar a massa, o teor de proteína bruta da forragem e a taxa de lotação em pastagens de capim elefante em dois sistemas de produção. No sistema convencional, o capim elefante foi plantado em linhas afastadas a cada 1,2m. No sistema agroecológico, o capim foi plantado em linhas afastadas a cada 3m; no espaço entre as linhas, no período hibernal, foram semeados o azevém anual e o trevo vermelho e, no período estival, permitiu-se o desenvolvimento de espécies de crescimento espontâneo. Foram utilizados 150kg de N ha-1 com fertilizantes químico e orgânico para os respectivos sistemas forrageiros. Foram usadas vacas em lactação que receberam complementação à razão de 0,9% do peso vivo. Para determinação do teor de proteína bruta, foram retiradas amostras simulando o pastejo. Valores similares foram observados quanto à composição estrutural do capim elefante em ambos os sistemas. Durante o período experimental, foram conduzidos oito e sete pastejos para os respectivos sistemas. Os valores médios de massa de forragem de pré-pastejo e da taxa de lotação foram de 3,7 e 4,8t ha-1 e de 2,10 e 2,51UA ha-1 dia-1. A pastagem sob sistema agroecológico apresenta melhor distribuição de forragem ao longo do ano. Teores elevados de proteína bruta foram observados no período hibernal, em ambos os sistemas forrageiros.
Farmer strategies to face labor shortages in Chilean agriculture
Authors: Aguirre Verónica , Echeverría Rodrigo , Olmedo Clara , Blanco Gustavo
Published: July 2013

This study analyzes the strategies that farmers in the south of Chile use to face current labor shortages and identify the variables that determine each of these strategies. A multinomial logit model and odds ratios plots with predicted probabilities were applied to a sample of 384 farmers. Interviews and focus groups were applied to specific producers, professionals and public officials. The main results show that only 32.3% of farmers declared that labor shortage is a problem. Of this percentage 52% chose the strategy of paying better, 13.8% chose improve the workers' working conditions, 9.5% chose to mechanize, and 24.1% did not follow a strategy. The production of labor-intensive products (e.g., exportable fruit) determines the strategy of paying better; the farmer's educational level influences the strategy of improving the working conditions, and the farmer's age affects the strategy of mechanizing. However, the production of labor-intensive products exhibits the greater effect. The main disadvantage of the "pay better" strategy is that workers do not want to commit to their job.
On the crossroads of preservation: revitalizing São Miguel chapel in a working class district of São Paulo
Authors: Arantes Antonio A.
Published: July 2013

The seventeenth century São Miguel Chapel, located in a working class district of São Paulo city, had been in disuse for around 10 years. In the second half of the 1970s, the body managing this listed building faced the problem of how to revitalize it given the profile of the surrounding local population. The response to this problem, grounded on an initial ethnographic survey of local cultural production, involved mobilizing a substantial number of popular artists from the city's East Zone and led to the emergence of the Popular Movement of Art. Through an account of this experience and a debate with technical staff from CONDEPHAAT, the article explores some of the issues that situate the preservation of cultural heritage within a field of conflicting interests and ideologies.
Challenges to digital patrimonialization: heritage.org /digital museum of african and Afro-Brazilian memory
Authors: Sansone Livio
Published: July 2013

Historically subaltern groups envisage new possibilities for the creation of community museums and exhibits. This seems to be particularly true of the Global South and, even more so, of Sub-Saharan Africa and the African diaspora to Southern America - two regions of the world where, when it concerns ethno-racial minorities and social movements, presential museums and "actual" archives have more often than not been poorly funded, ill-equipped, and underscored. This article teases out the process of creating such a digital museum that focuses on African and Afro-Brazilian heritage. It is a technological and political experiment that is being developed in a country experiencing a process of rediscovery and of the patrimonialization of a set of elements of popular culture, within which "Africa" as a trope has moved from being generally considered a historical onus to (Western-oriented) progress to become a bonus for a country that is discovering itself both multiculturally and as part of the powerful group of BRIC nations.
Modeling the Photocatalytic Process of Variation in Chemical Oxygen Demand via Stochastic Differential Equations
Authors: Siqueira Adriano F. , Guimaraes Oswaldo L. C. , Filho Helcio J. Izario , Giordani Domingos S. , Oliveira Ivy dos Santos , Aquino Henrique Otavio Queiroz de , Silva Messias Borges
Published: July 2013

Several papers in the literature on Advanced Oxidation Processes (AOPs) confirm the process as a viable alternative
for the treatment of a variety of industrial effluents. In many of these works, modeling the variations of Chemical
Oxygen Demand (COD) as a function of different experimental conditions was performed by techniques such as Design
of Experiments, Artificial Neural Networks and Multivariate Analysis. These techniques require both a large number of
parameters and a large quantity of experimental data for a systematic study of the model parameters as a function of experimental
conditions. On the other hand, the study of Stochastic Differential Equations (SDE) is presently well developed
with several practical applications noted in the literature. This paper presents a new approach in studying the variations
of COD in AOPs via SDE. Specifically, two effluents, from the manufacture of paints and textiles were studied by
combined treatment of the photo-Fenton process and catalytic ozonization.
Continued Eculizumab Therapy for Persistent Atypical Hemolytic Uremic Syndrome
Authors: Asif Arif , Haqqie Syed S. , Ghate Ketan , Mathew Roy O , Vachharajani Tushar , Nayer Ali
Published: July 2013

Atypical hemolytic uremic syndrome (atypical HUS) is characterized by endothelial injury and microvascular thrombosis resulting in microangiopathic hemolytic anemia, thrombocytopenia, and ischemic injury to organs, especially the kidney. Activation of complements is involved in the pathogenesis of atypical HUS. Eculizumab, a neutralizing monoclonal antibody directed against complement C5, has shown salutary effects in patients with atypical HUS. In this report, we present a 23-year-old man with atypical HUSwho was treated with eculizumab. During the first four weeks of treatment, eculizumab failed to achieve a remission. Microangiopathic hemolytic anemia and thrombocytopenia persisted, while renal function deteriorated necessitating initiation of hemodialysis. Continuation of eculizumab therapy, however, led to marked improvement in hemolytic anemia, thrombocytopenia, and renal function. After 10 weeks of eculizumab therapy, hemodialysis was discontinued. At 5-month follow-up, serum creatinine was 1.1 mg/dL with continued eculizumab therapy every other week. In addition, platelet count was normal, while there was no evidence of hemolysis. We conclude that in patients with persistent atypical HUS continued treatment with eculizumab can be helpful in achieving remission.
The Evaluation of Flash Point and Cold Filter Plugging Point with Blends of Diesel and Cyn-Diesel Pyrolysis Fuel for Automotive Engines
Authors: Murphy Fionnuala , Devlin G. , McDonnell K
Published: July 2013

The production of synthetic fuels from alternative sources has increased in recent years as a cleaner, more
sustainable source of transport fuel is now required. The European Commission has outlined renewable energy targets
pertaining to transport fuel which must be met by 2020. In response to these targets Ireland has committed, through the
Biofuels Obligation Scheme of 2008, to producing 3% of transport fuels from biofuels by 2010 and 10% by 2020. In order
to be suitable for sale in Europe, diesel fuels and biodiesels must meet certain European fuel specifications outlined in the
EN 590:2009 standard. The aim of this paper was to prepare blends of varying proportions of synthetic diesel (Cyn-diesel)
fuel, produced from the pyrolysis of plastic, vs regular fossil diesel. The flash point (°C) and cold filter plugging point
(°C) of these blends as well as of the conventional petroleum diesel fuel were analysed in relation to compliance with the
European fuel standard EN 590. The results confirmed that blending of Cyn-diesel with conventional petroleum diesel has
a highly significant effect on the properties of the resulting fuel blend. The results show that by increasing the Cyn-diesel
content of the blend, the flash point of the blend decreases and the cold filter plugging point increases. Furthermore,
comparing the fuel blends to EN 590 specifications has highlighted significant trends. The cold filter plugging points of
all of the fuel blends are in compliance with EN 590 specifications. However, only blends of up to, and including, 40%
Cyn-diesel are in compliance with EN 590 specifications for flash point. This analysis shows that a blend of 40% Cyndiesel
is in compliance with all of the EN 590 specifications examined, and as such could be placed on the European fuel
market (provided that the blend meets the requirements for the other properties in the EN 590 specification). This finding
highlights the potential for Cyn-diesel blends to be incorporated into the European and national renewable energy targets.
The influence of the beef bull breed on carcass weight and yield of male offspring
Authors: Petraskienė R. , Peciulaitienė N. , Jukna V. , Meskinytė-Kausilienė E. , Klementaviciūtė J. , Valaitienė V.
Published: July 2013

The aim of this study was to investigate of beef breeds - Hereford (HE),
Charolais (CH) Limousine (LI), Simmental (SM), Belgian Blue (BB) and Salers
(SA) - of the bulls, which are used for dairy cows and heifers insemination,
influence on male sex offspring carcass weight and yield. In this article,
for analysis were used of all in 7 months in one slaughterhouse slaughtered
bulls 12-30 months of age data. Of these 689 crossbreeds, whose cow was dairy
and bull was beef breed. For this study was used only crossbreeds (689 bulls)
data. This is the thirty-six (36) bull offspring from 546 farms. Bulls were
divided into groups according to age during slaughter (12-18 months, 18-24
months, 24-30 months). Studies have shown, that the father's breed at
different growth periods had a different effect on carcass traits of
crossbreeds. Therefore, the crossbreeding use on purpose to improve dairy
breeds offspring carcass characteristics, it is necessary to carefully choose
the right breed for crossbreeding, bearing in mind, what age of the offspring
will be slaughtered.
The role of duodenogastric reflux in formation of precarcinogenic gastric lesions: An experimental study
Authors: Zlatic Aleksandar , Stojanovic Miroslav , Mihailovic Dragan , Radovanovic-Dinic Biljana , Protic Mladjan , Veljkovic Radovan
Published: July 2013

Introduction. Duodenogastric reflux, commonly encountered as an aftermath of
gastroenteroanastomosis, with or without gastric resection (Billroth I,
Billroth II), vagotomy and pyloroplastic surgery, is known to cause
inflammatory-dystrophic-metaplastic lesions of gastric mucosa. Our objective
was to determine the effects of surgery-induced duodenogastric reflux on the
development of precarcinogenic lesions or carcinoma in correlation with the
reflux duration. Material and Methods. The experiment was performed on three
groups of Wistar rats with 1) Billroth II-induced reflux surgery, 2)
resection of the Roux-en-Y type reconstruction, and 3) control group with no
resection. The aim of the experiment was to study the effects of
duodenogastric reflux on the rat gastric mucosa in correlation with two
different types of gastroenteroanastomosis 8, 16 and 24 weeks after the
surgery. Results. In Billroth II group, hyperplastic changes were observed as
early as in week 16. Statistically significant results were recorded in week
24, with 6.7% of metaplastic alterations, including dysplasia of all three
degrees, dominantly severe dysplasia in 66.67%, early carcinoma in 20% and
gastric carcinoma in 6.67%. In the Roux-en-Y group, gastric mucosa remained
predominantly normal (60%), with somewhat increased frequency of gastritis
and dysplasia in week 24. In the control group, the finding of normal gastric
mucosa was constant. Conclusion. The experiment confirms that direct contact
of duodenal juice with gastric mucosa associated with Billroth II resection
causes precarcinogenic lesions. Development of adenocarcinoma caused solely
by duodenogastric reflux, excluding a carcinogenic agent is possible 20 weeks
after the experiment - earlier than suggested by previous researchers.
Necessity for introducing the procedure of percutaneous aortic valve implantation in the Province of Vojvodina
Authors: Redzek Aleksandar , Nicin Svetozar , Petrovic Milovan , Velicki Lazar , Golubovic Miodrag , Cemerlic-Adjic Nada
Published: July 2013

Introduction: Percutaneous aortic valve implantation is an alternative that
offers hope to patients who are too old or sick to undergo the conventional
surgical aortic valve replacement. The aim of this study was to determine the
number of high-risk patients with severe aortic stenosis, hospitalized at the
Institute for Cardiovascular Diseases, who are the candidates for
percutaneous aortic valve implantation. Material and Methods. The paper
prospectively analyzed all patients diagnosed to have severe aortic stenosis
who had been hospitalized at the Institute for Cardiovascular Diseases from
April 1st, 2011 to October 31st, 2012. Each of these patients was analyzed in
relation to the inclusive criteria for percutaneous aortic valve
implantation. We analyzed the distribution of these risk factors in relation
to age and gender, and the presence of aortic valve replacement surgery by
age groups. Results. In the period from April 1st, 2011 to October 31st,
2012, 374 patients diagnosed to have severe aortic stenosis were hospitalized
at the Institute for Cardiovascular Diseases. The group of patients older
than 80 years had a higher percentage of those patients with low ejection
fraction of the heart, chronic pulmonary hypertension and mitral
regurgitation. On the other hand, when the total number of surgical aortic
valve replacement was taken into consideration with respect to age, there was
a significant decrease in their number in the group of patients older than 75
years (41.6%), especially in the age group over 80 years (90.2%). Conclusion.
The data obtained in this study indicate a high percentage of conservatively
treated patients with severe aortic stenosis and high operative risk in
patients over 75 years. These data confirm the necessity for the
implementation of percutaneous aortic valve replacement in the Province of
Vojvodina.
The importance of immunohematology testing in the neonatal period
Authors: Bujandric Nevenka , Krga-Milanovic Mirjana
Published: July 2013

Introduction. In order to diagnose hemolytic disease of the newborn it is
necessary to determine ABO/Rh blood group, direct antiglobulin test and
indirect antiglobulin test in newborns as well as ABO/Rh and indirect
antiglobulin test in their mothers due to a possible incompatibility between
the blood types of the mother and her baby. The study was aimed at reviewing
and analyzing the results of screening of the newborns and pregnant women on
the territory of South Backa District during 2011, as well as at estimating
the necessity to give blood transfusion to the newborns in the same period.
Material and Methods. Data obtained from the information system and protocol
of the Institute for Blood Transfusion of Vojvodina were used in a
retrospective analysis of screening of newborns and pregnant women. Results.
Blood samples taken from 3313 newborns were tested and the following
distribution of the ABO blood types was recorded: O in 45.6%, A in 35%, B in
15.9%, in 3.5%; 78.9%, newborns were found to be D-positive, 21.1% were
D-negative. The direct antiglobulin test was positive in 165 (4.9%) cases, it
was weakly positive +/- in 85 (51.5%) , positive 1+ in 45 (27.3%), positive
2+ in 17 (10.3%), positive 3+ in 12 (7.3%), positive 4+ in 6 (3.6%). In all
cases, the monospecific direct antiglobulin test was positive with IgG
antibodies. Of four newborns with positive direct antiglobulin test who
required exchange blood transfusion, two had RhD incompatibility and two had
ABO incompatibility. Blood samples of 3429 (100%) women were tested and 36
(1.05%) were actively immunized: 23 (0.67%) to RhD antigen, 8 (0.23%) to
blood group antigens other than ABH and Rh, specificity could not be
determined in 5 (0.15%). Anti-D antibodies were found in 19 (0.55%) pregnant
women, in two (0.06%) cases newborns required exchange blood transfusion.
Conclusion. Testing neonates and pregnant women contributes to the detection
of blood type incompatibility between the mother and her child; it provides
an opportunity for clinicians to implement the adequate prevention of RhD
alloimmunization as well as to make timely diagnosis and to introduce
treatment of hemolytic disease in newborns.
Surgical anatomy of the initial segment of the lateral circumflex femoral artery
Authors: Lalovic Nenad , Cvijanovic Radovan , Malis Milos , Ilic Marko , Cuk Mirjana , Nikolic Iva
Published: July 2013

Introduction. The lateral circumflex femoral artery usually originates from
the lateral side of the initial part of the deep femoral artery, or less
frequently from the femoral artery. If it is a branch of the femoral artery,
it arises directly above the point of origin of the deep femoral artery. The
aim of this study was to determine the origin of the lateral circumflex
femoral artery, its origin distance from the midpoint of the inguinal
ligament and the topographical relations of the origin, which have a great
significance in clinical work. Material and Methods. A dissection was
performed on the autopsy group of 42 thighs, followed by the analysis of
anatomical relationships of the lateral circumflex femoral artery. All data
were entered into the custom-made protocol, which contained the case number,
age and sex, side, topographical- anatomical relations of the lateral
circumflex femoral artery, artery dimensions and variations, and the distance
between the place of origin of the lateral circumflex femoral artery and the
midpoint of the inguinal ligament. Results. In our study, the lateral
circumflex femoral artery most frequently originated from the deep femoral
artery, i.e. in 78.6% of cases. In 19.0% of limbs, it originated from the
femoral artery, and in one case (2.4%) from a common stem of the deep femoral
artery and the lateral circumflex femoral artery, coming from the femoral
artery. Conclusion. In clinical practice, it is of great importance to know
the origin variations of the lateral circumflex femoral artery while planning
and performing various surgical and invasive diagnostic procedures in the
inguino-femoral region.
Virtual simulation as a learning method in interventional radiology
Authors: Avramov Predrag , Avramov Milena , Jukovic Mirela , Kadic Vuk , Till Viktor
Published: July 2013

Introduction. Radiology is the fastest growing discipline of medicine thanks
to the implementation of new technologies and very rapid development of
imaging diagnostic procedures in the last few decades. On the other hand, the
development of imaging diagnostic procedures has put aside the traditional
gaining of experience by working on real patients, and the need for other
alternatives of learning interventional radiology procedures has emerged. A
new method of virtual approach was added as an excellent alternative to the
currently known methods of training on physical models and animals. Virtual
reality represents a computer- generated reconstruction of anatomical
environment with tactile interactions and it enables operators not only to
learn on their own mistakes without compromising the patient?s safety, but
also to enhance their knowledge and experience. Discussion. It is true that
studies published so far on the validity of endovascular simulators have
shown certain improvement of operator?s technical skills and reduction in
time needed for the procedure, but on the other hand, it is still a question
whether these skills are transferable to the real patients in the angio room.
Conclusion. With further improvement of technology, shortcomings of virtual
approach to interventional procedures learning will be less significant and
this procedure is likely to become the only method of learning in the near
future.
Granulation of After Reclamation Dusts from the Mixed Sands Technology: Water Glass – Resolit / Granulacja pyłów poregeneracyjnych z technologii mas mieszanych: szkło wodne – rezolit
Authors: Kamińska J. , Dańko J.
Published: July 2013

A technology of sands with water glass hardened by liquid esters is a cheap and ecologic method of producing moulding sands. Due to these advantages, this technology is still very important in several foundry plants for production of heavy iron and steel castings. Reclamation of the mixed moulding and core sands generates significant amounts of dusts, which require further treatments for their reuse. The results of investigations of a pressureless granulation of dusts generated in the dry mechanical reclamation process of the mixture consisting in app. 90 % of moulding sands from the Floster S technology and in 10 % of core sands with phenolic resin resol type, are presented in the hereby paper. Investigations were aimed at obtaining granulates of the determined dimensional and strength parameters.

Granules were formed from the mixture of dusts consisting of 75 mass% of dusts after the reclamation of sands mixture and of 25 mass% of dusts from bentonite sands processing plant. Wetted dusts from bentonite sands were used as a binding agent allowing the granulation of after reclamation dusts originated from the mixed sands technology.
Study of the BA1044 Alloy Properties and Their Interpretation with the Use of Fuzzy Logic
Authors: Górny Z. , Kluska -Nawarecka S. , Wilk-Kołodziejczyk D. , Saja K.
Published: July 2013

The study presents the results of research aimed at the construction of a model of the relationship between the physical properties of metal and the types of toughening treatment and modifiers used in the modification of BA1044 alloy.

Samples of melts were subjected to four variants of the heat treatment and to five types of modification. Studies of the samples consisted in measurements of five physical parameters. Consequently, it was necessary to seek a relationship between the nine input parameters and five output parameters. With this number of the variables and a limited number of samples, searching for the relationships by way of statistical methods was obviously impossible, so it was decided to create an approximate model through the use of fuzzy logic. This study describes the process of creating a model and presents the results of some simulation experiments that confirm the validity of the correct approach.
Investigations of the Temperature Influence on Formation of Compounds from the BTEX Group During the Thermal Decomposition of Furan Resin / Badania wpływu temperatury na powstawanie związków z grupy BTEX podczas termicznego rozkładu żywicy furanowej
Authors: Kubecki M. , Holtzer M. , Żymankowska-Kumon S.
Published: July 2013

Organic binders applied in foundry plants based on synthetic resins, from the one side influence obtaining the required technological properties by the moulding sand and - in consequence - obtaining good quality castings, and on the other side are the source of volatile organic compounds (VOC). Together with synthetic resins their hardeners, which although added in very small amounts emit during their thermal decomposition substances negatively influencing the natural environment, are also used. Both, resins and hardeners only at the influence of high temperatures accompanying moulds pouring with liquid metal generate harmful volatile organic compounds including compounds from the BTEX group. Investigations of the temperature influence on the kind and amount of organic compounds formed during the thermal decomposition of selected binders and hardeners and their mixtures allow to determine temperature ranges the most favourable for emitting harmful substances as well as to compare their emission from the selected materials.

The aim of this study was the determination the temperature influence on formation substances from the BTEX group, during thermal decomposition of the selected binder, its hardener and their mixture. The BTEX group emission constitutes one of the basic criteria in assessing the harmfulness of materials applied for moulding and core sands and it can undergo changes in dependence of the applied system resin-hardener. Investigations were carried out on the specially developed system for the thermal decomposition of organic substances in the temperature range: 500ºC - 1300ºC, at the laboratory scale. The investigations subject was the furan resin, its hardener and hardened furan resin. The assessment of the emission degree of the BTEX group in dependence of the system subjected to the temperature influence was performed, within the studies. The temperature range, in which maximal amounts of benzene, toluene, ethylbenzene and xylenes were emitted from tested materials - was defined. The qualitative and quantitative analysis of the BTEX group were carried out with using the gas chromatography technique coupled with the mass spectrometry (GC/MS).
Growth and Yield Responses of NERICA Rice Varieties to Different Sources of Organic Fertilizer in Transitory Rainforest Zone of Nigeria
Authors: Sakariyawo Olalekan Suleiman , Oyekanmi Akeem Abdulahi , Bakare Oluwakemi Oladoyin , Aderibigbe Sunday Gbenga , Okonji Christopher John , Fabunmi Thomas Oladeji
Published: July 2013

Two field studies were conducted to investigate growth and yield responses of NERICA rice cultivars to organic fertiliser sources, at the Teaching and Research Farm of Federal University of Agriculture, Abeokuta (FUNAAB) between May 31 and September 30 of 2009 and OgbeEruku Village (OEV), Owode - Egba, Ogun State, Nigeria between July 7 and November 30 also in 2009. FUNAAB is a transition between rainforest and a derived savanna whereas OEV is in a rainforest zone. The experiment was a 10 × 3 × 2 factorial in a Randomized Complete Block Design (RCBD) replicated three times. The treatments were three rice varieties (NERICA 1, NERICA 2, and Ofada) and three application rates of different manure types (poultry manure at 0 t/ha-1, 10 t/ha-1 and 20 t/ha-1; cow dung at 0 t/ha-1, 7 t/ha-1 and 14 t/ha-1; swine manure at 0 t/ha-1, 3.5 t/ha-1 and 7 t/ha-1). These levels are equivalent to 0 kg N/ha-1, 45 kg N/ha-1, and 90 kg N/ha-1. The results indicated significant (P < 0.05) varietal variability on dry matter accumulation at maturity in the order NERICA 1 > Ofada > NERICA 3. Inorganic fertiliser source at recommended rate recorded significantly (P < 0.05) higher effect on all growth parameters compared to organic sources. Growth characters were significantly higher at FUNAAB than OEV, conversely grain yield was significantly higher at OEV, where NERICA 1 at higher application rates of poultry and swine manure recorded grain yield comparative to inorganic fertiliser at recommended rate.
The Underside of Communication in Development
Authors: Quebral Nora C.
Published: July 2013

Efforts to relate the concepts of human development and human communication are complicated by their processual nature. The fact that in most cases communication has become synonymous with media and the need to take contexts into account further complicate such efforts. How the two well-meaning concepts interact in both developing and developed countries with oftentimes unintended, or even unwanted, effects is the subject of this paper. The underside of communication in development is discussed as the failure to address those forms of poverty that threaten equality, social cohesion, and the free flow of knowledge and information.
The Civil Society Organization Media Manager as Critical Communicator
Authors: Lemish Peter , Caringer Kelly
Published: July 2013

Substantial improvement in civil society organizations’ [CSOs] management of communication and media endeavors requires a shift from business and marketing models to a development communication perspective. Acting beyond the platform driven model of the current conception of the media manager, the critical communicator will be guided by a rights-oriented, civil society-driven social change vision; critique of the corporatization and marketization of CSOs; lateral, holistic management strategies in facilitating the efforts of the communication - media team; use of multiple media including new media technologies, in particular Web 1.0, 2.0 and 3.0, in order to advance audience-user participation in knowledge production and dissemination [participatory informatics]; and media campaigns that seek to maximize the CSO’s contributions to the advancement of justice, equality, democratization and civic engagement in governance and public policy debates.
Complementarity and post-selection in an atomic double-slit interferometer
Authors: Lima Bernardo Bertúlio
Published: July 2013

This paper analyzes, theoretically, an atomic double-slit interferometer in order to probe the extent to which complementary properties affect quantum interference. It is shown that if the energy eigenstates of a two-level atom are one-to-one correlated with its particle and wave behaviors, complementary phenomena can be measured simultaneously, indicating a reinterpretation of the complementarity principle. We also demonstrate that these complementary properties can be further distinguished by using a post-selection process.
Present and Future Position of Credit Rating
Authors: Dziawgo Danuta
Published: July 2013

The aim of the elaboration is to draw attention to selected aspects of credit rating. For that reason, comparison and induction methods were used.

The article deals with credit rating and its present importance for the financial market. On that basis, possible scenarios for credit rating importance in the future will be analysed.

Nowadays, the credit rating system and credit rating agencies’ behaviour and work quality are discussed worldwide. Therefore, the article can be seen as a voice in the discussion about future architecture of financial market and safety system net.
Modeling Gas Prices in Poland with an Application of the Vector Autoregression Method (VAR)
Authors: Mentel Grzegorz
Published: July 2013

The paper presents examples of gas prices modeling in Poland by means of the VAR model (AutoRegression Vector Model). For comparison, the predictions are made for the models estimated by different variations of the generalized least squares method.

The analysis is based on gas prices set by the Carpathian Gas Company after 2000 for the tariffs applied for individual customers. Thus, value forecasts were presented for this type of energy for the “ordinary” customers in the light of the existing regulations.
Accuracy Analysis of GPS Sport Receivers in Dynamic Measurements
Authors: Specht Mariusz , Szot Tomasz
Published: July 2013

Producers of GPS receivers nowadays offer many easy-to-use, mobile units for amateur and professional athletes. Similar functionality parameters and a relatively low price make it difficult for the average user to make a choice. This article compares technical aspects of different GPS devices and presents results of their dynamic accuracy evaluation. Selected GNSS units were divided into two groups: specialized dedicated to sports and GPS data loggers. The tests were carried out on the sports stadium of the Gdansk University of Physical Education and Sport, where the lanes were measured with the use of the GPS Total Station phase receivers Leica GS-15 VIVA, supported by Polish Active Geodetic Network ASG-EUPOS. The ellipsoidal coordinates logged in the GNSS sports receivers were transformed in Gauss-Kruger projection to conformal x, y coordinates and statistical distributions of the predictable accuracy were calculated. The article also discusses other (important from a functional point of view) characteristics of GPS receivers used by athletes.
Protection of Visual Data Transmission for Vessel Traffic Systems Using Joint Fingerprinting and Decryption Method Based on Modified Hill Cipher
Authors: Czaplewski Bartosz , Czaplewski Krzysztof
Published: July 2013

Vessel traffic systems provide a high level of safety on coastal waters due to coastal radar stations and industrial cameras transmitting information to traffic supervision centers, as well. To improve a vessel traffic services is very important to ensure the speed and secrecy for the transmission of video images.

The paper presents the basic issues of the multimedia data protection by digital watermarking and fingerprinting methods. Main applications for such digital marking were described in the paper as well as its requirements. Furthermore, the importance of multicast transmission for fingerprinting methods was presented by comparing the scalability of methods using only unicast transmissions and methods using multicast transmissions. The paper also presents the greatest threat to fingerprinting methods, which are attacks performed by more than one pirate. These attacks are called collusion attacks. The criteria that should be followed during identifying rogue users taking part in the collusion attack on the security systems has been presented.

The paper also contains description of the extended Hillcast method, which belongs to the group of JFD (Joint Fingerprinting and Decryption) methods. The method provides a cryptographic security and digital fingerprinting of multimedia content, while maintaining high scalability. Main purpose of this method is VoD (Video on Demand) service, but it can also be used in vessel traffic supervision systems, such as VTS and AIS. In the last part of paper, there are results of studies which indicate high resistance to most common collusion attacks. Method proposed by authors can enhance the security of visual data transmission in vessel traffic systems.
Role of bacteria in dieback disease of Dalbergia sissoo roxb
Authors: Valdez Nayuf , Karlovsky Petr , Dobrindt Lana , Hoque M Imdadul , Sarker Rakha Hari , Tantau Hanny , Mühlbach Hans-Peter
Published: July 2013

The possible role of bacteria as pathogens in dieback affected Dalbergia sissoo Roxb. (sissoo) trees in Bangladesh has been investigated. Among the high diversity of bacterial genera detected by 16S rDNA sequences, several plant pathogenic Pseudomonas strains were identified and classified by AFLP analysis. Three isolates produced significant symptoms on D. sissoo seedlings after mechanical inoculation in vivo, suggesting that Pseudomonas should be considered as a potential cause for the dieback disease. DOI: http://dx.doi.org/10.3329/bjb.v42i1.15710 Bangladesh J. Bot. 42(1): 1-16, 2013 (June)
Effects of plant extracts on growth, yield and protein content of cowpea (Vigna unguiculata (L.) Walp.)
Authors: Lashin Gamal MA , Azab Adel A , Hussien Akram A , Anwar AM EL
Published: July 2013

Aqueous plant extracts of Malva parviflora L. and Artemisia ludia L. were tested in the field on cowpea (Vigna unguiculata (L.) Walp.) plants. The extracts were added alone and in combination. The treatments were applied just one day before irrigation. Data obtained revealed that the growth, yield and protein content of cowpea were stimulated by 10% aqueous extract of M. parviflora and the mixture of 10% Malva with 20% Artemisia. The data also showed that the soil fertility was improved. DOI: http://dx.doi.org/10.3329/bjb.v42i1.15870 Bangladesh J. Bot. 42(1): 99-104, 2013 (June)
Biomass allocation to vegetative and reproductive organs of Chenopodium acuminatum Willd. under soil nutrient and water stress
Authors: Huang Yingxin , Zhao Xueyong , Zhou Daowei , Wang Tianhui , Li Guandi , Li Qin
Published: July 2013

Biomass allocation was size-dependent. Under soil nutrient, the plasticity of the leaf and reproductive allocation was true plasticity, the plasticity of stem allocation was apparent plasticity, which is dependent on plant size, but there was no plasticity in root allocation. Under soil water stress, the plasticity of root, leaf and reproductive allocation was true. In response to population density, the plasticity of stem allocation is true plasticity, while the value of the stem allocation is consistent because of the trade off between the effects of plant size and population density. The biomass allocation strategy increases reproductive allocation but decrease leaf allocation with the decrease of soil nutrient, when compared at the same plant size. At lower soil water, the plant allocated more biomass to the root and leaf rather than to reproductive organ. DOI: http://dx.doi.org/10.3329/bjb.v42i1.15873 Bangladesh J. Bot. 42(1): 113-121, 2013 (June)
Anatomical investigations on endemic Campanula romanica Savul. and their ecological significance
Authors: Gostin Irina , Oprea Adrian
Published: July 2013

Histo-anatomical properties of the vegetative organs in endemic Campanula romanica Savul. were presented. The structure of the root, rhizome, stem and leaves (basal and caulinar) was analysed with emphasis to the adaptation of this rare species to the environmental conditions. Moderate xeric features were observed at the anatomical level, despite the dry living area. These are correlated with the species life conditions and life cycle. DOI: http://dx.doi.org/10.3329/bjb.v42i1.15877 Bangladesh J. Bot. 42(1): 139-144, 2013 (June)
Total phenol content of different varieties of brinjal (Solanum melongena L.) and potato (Solanum tuberosum L.) growing in Bangladesh
Authors: Shaheen Nazma , Kurshed Ali Abbas Mohammad , Karim Kazi Muhammad Rezaul , Mohiduzzaman Md , Banu Cadi Parvin , Begum Momtaz , Ishikawa Yuko Takano
Published: July 2013

The total phenol content (TPC) of different varieties of Solanum melongena L. varied from 3.16 ± 0.04 - 7.86 ± 0.33 mg GAE/g of fresh weight (FW). It also revealed that all varieties of Solanum tuberosum L. with peel contained higher TPC than without peel. Comparison between mean TPC of different varieties Solanum tuberosum L. with and without peel on FW basis by independent sample the t-test showed a significant difference (p = 0.003) in TPC. Findings of present study indicate that BARI Begun-8, high yielding varieties of Solanum melongena and Solanum tuberosum with peel are good sources of polyphenols and therefore may contribute as a source of dietary antioxidant. DOI: http://dx.doi.org/10.3329/bjb.v42i1.15909 Bangladesh J. Bot. 42(1): 175-177, 2013 (June)
Micropropagation of Lilium candidum L. : a rare and native bulbous flower of Turkey
Authors: Burun Betül , Sahin Oral
Published: July 2013

Lilium candidum bulb scales were cultured on MS containing different doses and combinations of NAA, BA, Kn and 2iP. Maximum bulblet formation was 88.2% in MS supplemented with 0.1 mg/l NAA + 0.01 mg/l BA and the average number of bulblets per explant was 2.9. DOI: http://dx.doi.org/10.3329/bjb.v42i1.15913 Bangladesh J. Bot. 42(1): 185-187, 2013 (June)
Solid-, Solution-, and Gas-state NMR Monitoring of 13C-Cellulose Degradation in an Anaerobic Microbial Ecosystem
Authors: Yamazawa Akira , Iikura Tomohiro , Shino Amiu , Date Yasuhiro , Kikuchi Jun
Published: July 2013

Anaerobic digestion of biomacromolecules in various microbial ecosystems is influenced by the variations in types, qualities, and quantities of chemical components. Nuclear magnetic resonance (NMR) spectroscopy is a powerful tool for characterizing the degradation of solids to gases in anaerobic digestion processes. Here we describe a characterization strategy using NMR spectroscopy for targeting the input solid insoluble biomass, catabolized soluble metabolites, and produced gases. 13C-labeled cellulose produced by Gluconacetobacter xylinus was added as a substrate to stirred tank reactors and gradually degraded for 120 h. The time-course variations in structural heterogeneity of cellulose catabolism were determined using solid-state NMR, and soluble metabolites produced by cellulose degradation were monitored using solution-state NMR. In particular, cooperative changes between the solid NMR signal and 13C-13C/13C-12C isotopomers in the microbial degradation of 13C-cellulose were revealed by a correlation heat map. The triple phase NMR measurements demonstrated that cellulose was anaerobically degraded, fermented, and converted to methane gas from organic acids such as acetic acid and butyric acid.
Inkjet Printing of Carbon Nanotubes
Authors: Tortorich Ryan , Choi Jin-Woo
Published: July 2013

In an attempt to give a brief introduction to carbon nanotube inkjet printing, this review paper discusses the issues that come along with preparing and printing carbon nanotube ink. Carbon nanotube inkjet printing is relatively new, but it has great potential for broad applications in flexible and printable electronics, transparent electrodes, electronic sensors, and so on due to its low cost and the extraordinary properties of carbon nanotubes. In addition to the formulation of carbon nanotube ink and its printing technologies, recent progress and achievements of carbon nanotube inkjet printing are reviewed in detail with brief discussion on the future outlook of the technology.
Les mutations des régulations de l'économie et des structures de la famille
Authors: Guibert Bernard
Published: July 2013

Parmi les nombreuses écoles d'économistes rivales, celles qui se réclament de la "théorie de la régulation " et qui ont organisé un colloque en juin 1988, paraissent les plus à même de dialoguer de manière éclairante et opérationnelle avec les praticiens qui s'intéressent à la famille et à la politique familiale.
Analyse comparée des barèmes du RMI et des différents minima existants
Authors: Debordeaux Danièle
Published: July 2013

Allocation différentielle garantissant un revenu, le RMI n'est pas tout à fait une nouveauté. D'autres revenus minima existent déjà dans la législation sociale française. Cet article montre que le RMI se situe tantôt au-dessus, tantôt au-dessous de divers minima étudiés.
Aides au logement et RMI : les deux logiques sont-elles conciliables ?
Authors: Grignon Michel
Published: July 2013

Les objectifs de l'aide au logement et de la lutte contre la pauvreté peuvent, à certains égards, apparaître contradictoires. La définition de l'assiette ressources du RMI a permis de résoudre ces contradictions de court terme de manière satisfaisante. Une réflexion plus approfondie s'impose pourtant pour le long terme. On propose ici une approche fondée sur l'efficacité de chacun des deux systèmes relativement aux problèmes spécifiques des populations pauvres ou précaires, et on présente un outil susceptible de servir à de telles approches.
Le logement des immigrés. Stratégies résidentielles et politiques institutionnelles
Authors: Duchatelet Geneviève
Published: July 2013

Deux précédents articles ont montré comment les aides au logement étaient prises en compte par les bénéficiaires dans leurs stratégies en matière de choix et de mobilité résidentiels. Celui-ci s'intéresse plus spécialement au logement des populations immigrées en tentant de saisir l'articulation entre politique d 'habitat et stratégies des ménages. Si les trois recherches présentées ont pour caractéristique de porter sur l'habitat de populations immigrées, les contextes géographiques en sont très différents. La première recherche, menée à l'échelle d'une agglomération, englobe l'ensemble des types d'habitat ; la seconde, à l'échelon d'un quartier, porte sur un type d'habitat fréquent dans les années 1960 ; la troisième s'intéresse à une forme d'habitat spécifique, destinée à accueillir les rapatriés français-musulmans en 1962. Toutes trois intègrent une dimension temporelle et soulignent l'intérêt d'analyser simultanément les politiques d'habitat et les comportements et les stratégies des ménages.
Un modèle d 'analyse et de projection de l 'APL dans le cas de l'accession à la propriété
Authors: Lefebvre Bruno
Published: July 2013

Le modèle de prévision de la CNAF sait prévoir des événements démographiques, des changements d'activité et de revenus, mais pas encore de changements vis-à-vis du logement (passage en accession, variation du loyer). On peut cependant affirmer, d'ores et déjà, que les méthodes utilisées par cette partie du modèle seront similaires à celles présentées ci-dessus. Les aides au logement présentant néanmoins des difficultés propres, il a semblé intéressant de présenter le travail de modélisation actuellement réalisé à Nanterre par B. Lefebvre. Outre la description de l'arsenal statistique disponible en matière d'aides au logement-accession, cette présentation met l'accent sur les difficultés que rencontrent les modélisations d'un domaine aussi complexe et les modélisations matricielles en particulier.
Le profil des bénéficiaires du RMI
Authors: Poubelle Vincent
Published: July 2013

Le RMI, instauré en décembre 1988, a touché près de 280.000 bénéficiaires en juillet 1989 (métropole). Depuis le début de la montée en charge de la prestation la structure sociodémographique a peu évolué. Il s'agit, pour les trois-quarts, de personnes isolées, et les deux tiers sont sans enfant. La population est plutôt jeune : près de la moitié a moins de 35 ans. Les trois-quarts n'ont aucune ressource, hormis celles perçues au titre du RMI ou des prestations familiales.
Une présentation des résultats
Authors: Renaudat Evelyne
Published: July 2013

Ce texte propose une lecture transversale des principaux résultats des recherches du programme "Activité féminine - vie familiale".

Un premier volet s 'intéresse à la conciliation entre vie professionnelle et vie familiale, et aux politiques menées en ce domaine. Deux jalons guident l 'analyse : la mauvaise prise en compte dans les milieux du travail de la grossesse des femmes actives d 'une part, et les conditions de l 'accueil des jeunes enfants d 'autre part. Les carences de celles-ci et la diversité des attentes des parents, la professionnalisation des assistantes maternelles, une faible mobilisation et coordination des actions constituent les principaux éléments du système.

Un deuxième volet aborde les comportements et stratégies familiales.

Du point de vue de la socialisation des filles et des garçons, un double statut accompagne la vie professionnelle des mères par rapport à celle des pères et à leur rôle face aux tâches domestiques.

L 'étude des stratégies professionnelles et familiales éclaire les racines de la mobilisation personnelle de celles qui font carrière, l'influence du conjoint et les interactions entre le développement de la carrière de la femme et celle du conjoint.

Mais, est ce que faire carrière entraîne des stratégies de reproduction notamment à l 'égard du troisième enfant ? Culture familiale, localisation résidentielle sont des enjeux majeurs à ce sujet, tout comme sont développées par les femmes algériennes des stratégies spécifiques. Enfin, sont abordées les politiques familiales et les aides à la famille. On souligne une sous information importante des familles sur leurs droits, et un impact difficilement mesurable entre prestations et comportements d 'activité et de fécondité des familles.
Et quelques pistes de recherches futures
Authors: Renaudat Evelyne
Published: July 2013

Cet article esquisse en guise de conclusion une série de questionnements qui pourraient servir d'ébauche à la constitution d'un prochain appel de propositions.