Fourche Valley Baptist Association

The Fourche Valley Baptist Association was organized in 1887. It later became the Perry County Baptist Association, and still later, the Conway-Perry County Association.https://scholarlycommons.obu.edu/arbaptrec/1050/thumbnail.jp

Contribution à l’histoire de la protection phytosanitaire dans l’agriculture française, 1880-1970

Depuis la fin du 19e siècle, les productions végétales sont marquées par une augmentation du nombre d’espèces cultivées et un accroissement des rendements. Parmi les sources d’évolution des quantités produites, sont traditionnellement citées la sélection variétale, la généralisation de l’usage des engrais et la mécanisation. La protection des végétaux est l’une des causes d’augmentation des rendements les moins étudiées. Cependant, scientifiques et politiques s’accordent à reconnaître l’impor..

Contribution à l’histoire de la protection phytosanitaire dans l’agriculture française, 1880-1970

Depuis la fin du 19e siècle, les productions végétales sont marquées par une augmentation du nombre d’espèces cultivées et un accroissement des rendements. Parmi les sources d’évolution des quantités produites, sont traditionnellement citées la sélection variétale, la généralisation de l’usage des engrais et la mécanisation. La protection des végétaux est l’une des causes d’augmentation des rendements les moins étudiées. Cependant, scientifiques et politiques s’accordent à reconnaître l’impor..

Modification of the wettability characteristics of polymethyl methacrylate (PMMA) by means of CO2, Nd:YAG, excimer and high power diode laser radiation

The surface of the bio-material polymethyl methacrylate (PMMA) was treated with CO2, Nd:YAG, excimer and high power diode laser (HPDL) radiation. The laser radiation was found to effect varying degrees of change to the wettability characteristics of the material depending upon the laser used. It was observed that interaction with CO2, Nd:YAG and HPDL effected very little change to wettability characteristics of the PMMA. In contrast, interaction of the PMMA with excimer laser radiation resulted an increase in a marked improvement in the wettability characteristics. After excimer laser treatment the surface O2 content was found to have increased and the material was seen to be more polar in nature. The work has shown that the wettability characteristics of the PMMA could be controlled and/or modified with laser surface treatment. However, a wavelength dependence of the change of the wetting properties could not be deduced from the findings of this work

Toward halogen-free flame resistant polyethylene extrusion coated paper facings

Wire and cable coverings are potentially a major cause of fire in buildings and other installations. As they need to breach fire walls and are frequently located in vertical ducting, they have significant potential to increase the fire hazard. It is therefore important to understand the ignition and burning characteristics of cables by developing a model capable of predicting their burning behaviour for a range of scenarios. The fire performance of electrical cables is usually dominated by the fire performance of the sheathing materials. The complexity of the problem increases when cable sheathing incorporates fire retardants. One-dimensional pyrolysis models have been constructed for cable sheathing materials, based on milligram-scale and bench-scale test data by comparing the performance of three different software tools (ThermaKin, Comsol Multiphysics and FDS, version 6.0.1). Thermogravimetric analysis and differential scanning calorimetry were conducted on powdered cable coatings to determine the thermal degradation mechanism, the enthalpy of decomposition reactions, and the heat capacities of all apparent species. The emissivity and the in-depth absorption coefficient were determined using reflectance and transmittance measurements, with dispersive and non-dispersive spectrometers and integrating spheres. Bench-scale tests were conducted with a mass loss calorimeter flushed with nitrogen on samples in a horizontal orientation, for comparison with the pyrolysis model of non-flaming decomposition at an external heat flux of 50 kW m-2. The parameters determined through analysis of the milligram-scale data were used to construct a pyrolysis model that predicted the total mass loss from calorimeter tests in anaerobic conditions. A condensed phase pyrolysis model that accurately predicts in-depth temperature profiles of a solid fuel, and the mass flux of volatiles evolved during degradation of the fuel, is an essential component of a comprehensive fire model, which when coupled to a computational fluid dynamics code can be used to predict the burning processes in a fire scenario. Pyrolysis models vary considerably in complexity based on the assumptions incorporated into the development of the model

An anti-aging polymer electrolyte for flexible rechargeable zinc-ion batteries

Polymer electrolytes have been extensively applied in zinc-ion batteries, especially those based on hydrogels; however, the densification of the hydrogel electrolytes during cycling affects the durability, resulting in capacity attenuation. It is revealed in this work that the surface electrical resistance of hydrogels is particularly affected by the aging effect. Hence, an adhesive bonding solid polymer electrolyte (ABSPE) for zinc-ion batteries was developed exhibiting significantly enhanced anti-aging properties, where the surface resistance remains constant for over 200 hours, twice that of conventional hydrogel electrolytes. For the hydrogel electrolyte, the surface resistance only remains constant for less than 100 hours which is half of the time achieved by the ABSPE. The ionic conductivity increases with plasticizer loading, reaching 3.77 × 10−4 S cm−1. The kinetic mechanism probed in this work revealed a diffusion-controlled mechanism for Zn/ABSPE/β-MnO2 instead of a capacitive dominated process in the hydrogel electrolyte. In addition, a flexible device was fabricated using a carbon fibre-reinforced polymer composite; this device showed superior power supply performance even under twisting, cutting and bending conditions

Contraception et risque vasculaire : évaluation des pratiques professionnelles concernant la prescription de la contraception orale en première intention

Objective. Recently, there has been substantial media coverage against third-generation birth control pills. It recalled the augmentation of vascular risks due to their consumption. It led to the cutting back on their reimbursement by the government. Following this, numerous recommendations concerning birth control were updated and sent back to professionals of the health sector. The first aim of this work was to present the professional practices, regarding consultations for the prescription of first-line oral contraception. The second aim was to assess whether the professional's strategies for the prescription choices were consistent with the recommendations. Methods. This descriptive study was conducted from November 2013 to January 2014 using a questionnaire distributed to health professionals able to prescribe first-line oral contraception, ie general practitioner, obstetricians and midwives. It targeted professionals working in private, hospital, PMI, family planning and orthogenic center. The questionnaire consisted of three parts and the questions were based on the recommendations of the HAS 2013. The first part analyzed the profile of the participants, the second one studied the course of a consultation for first-line oral contraception, and the third part presented five clinical cases to analyze the contraceptive choice of professionals. Results and conclusion. The majority of the consultations were conducted in accordance with the recommendations of contraception. 94% prescribed first-line 2nd generation pill for a patient without any medical history and with a normal result at the clinical examination. Prescriptions are relatively homogeneous amongst all professionals, except with patient suffering from acne. In this case 24% of all professionals prescribe a 3rd generation pill. In this situation, the midwife would prescribe significantly (p = 0.00377) more 2nd generation pills than obstetricians. It appears that in case of a disease, 37% of the midwives don't prescribe any pill. This heterogeneity in the prescriptions is linked to the different places of practice between liberal midwives and employed midwives.Objectifs. Récemment, est apparue une vague médiatique contre les pilules de 3e génération rappelant l'augmentation des risques vasculaires qu'elles entraînent lors de leur administration et conduisant au déremboursement de celles-ci par le gouvernement. Suite à ce phénomène, de nombreuses recommandations en matière de contraception ont été actualisées et envoyées aux professionnels de santé. Ce travail avait pour objectif, dans un premier temps, de faire un état des lieux des pratiques professionnelles quant à la consultation de prescription d'une contraception orale en 1re intention puis, dans un deuxième temps, d'évaluer si les stratégies de choix de prescription des professionnels étaient conformes aux recommandations. Matériel et méthodes. C'est une étude descriptive qui a été menée de novembre 2013 à janvier 2014 à l'aide d'un questionnaire distribué aux professionnels de santé pouvant prescrire une contraception orale en 1re intention c'est à dire médecins généralistes, gynécologues-obstétriciens et sages-femmes. Elle ciblait à la fois les professionnels travaillant en libéral, hospitalier, PMI, planning familial et centre d'orthogénie. Le questionnaire était composé de trois parties et les questions étaient basées sur les recommandations de la HAS de 2013. La première analysait le profil des participants, la deuxième étudiait le déroulement d'une consultation type de contraception orale en 1re intention et la troisième partie présentait cinq cas cliniques permettant d'analyser les choix contraceptifs des professionnels. Résultats. La majorité des professionnels réalisent leurs consultations de contraception conformément aux recommandations. 94% prescrivent une pilule de 2e génération en 1re intention pour une patiente sans antécédent particulier et avec un examen clinique normal. Les prescriptions sont relativement homogènes entre tous les professionnels sauf lorsque la patiente présente de l'acné où on constate que 24% des professionnels prescrivent une pilule de 3e génération et que les sages-femmes prescrivent de manière significative (p = 0,00377) plus de pilule de 2e génération que les gynécologues-obstétriciens dans cette situation. Il ressort qu'en cas de profil pathologique, 37% des sages-femmes de l'étude ne prescrivent aucune pilule. Cette hétérogénéité de prescription serait liée aux différents lieux d'exercice entre les sages-femmes libérales et les sages-femmes salariées