Structure of Carbon Nanotubes in Colloidal Solutions under the Influence of a Constant Electric Field

Processes of self-organization in diffusive and limited conditions of colloidal solutions of carbon nanotubes under the influence of constant electric fields are studied. It is established that functionalized MCNT – COOH in a drop of colloidal solution is oriented in an electric field in a controllable way, which is of great practical value

Structure of Carbon Nanotubes in Colloidal Solutions under the Influence of a Constant Electric Field

Processes of self-organization in diffusive and limited conditions of colloidal solutions of carbon nanotubes under the influence of constant electric fields are studied. It is established that functionalized MCNT – COOH in a drop of colloidal solution is oriented in an electric field in a controllable way, which is of great practical value

Self-assembly and Self-organization Processes of Carbon Nanotubes in the Colloidal Systems

The features and patterns of self-organization processes in the diffusion-limited conditions (method of drops) of carbon-containing compounds and carbon nanotubes have been studied. The results of the research influence of the substrate temperature and solvent on the formation of nanoscale fractal structures in sediments of colloidal solutions are provided

Self-assembly and Self-organization Processes of Carbon Nanotubes in the Colloidal Systems

The features and patterns of self-organization processes in the diffusion-limited conditions (method of drops) of carbon-containing compounds and carbon nanotubes have been studied. The results of the research influence of the substrate temperature and solvent on the formation of nanoscale fractal structures in sediments of colloidal solutions are provided

MANAGEMENT PROCEDURE OF SUPPLIES OF UNITS, MATERIALS AND CONSTITUENT PARTS FOR REPAIR AND MAINTENANCE SUPPORT OF TRANSPORT AND PRODUCTION MACHINES

This article considers a question of creation of schemes and sequence of passing of the main stages of process of execution of repair and maintenance works order taking into account formation of stocks of necessary spare parts, materials and constituent parts. Models of an input stream are offered for inventory control system, which are rather adequately described by autoregressive models of order two

Образование иерархических структур из функционализированных многостенных углеродных нанотрубок в растворе с аэросилом

The features and  regularities of self−assembly and  self− organization processes in the diffusion−limited conditions (method of drops) of aqueous (deionized water) colloidal solutions of multi−walled carbon nanotubes with aerosil under the influence of constant electric fields with a value varying of direct  current voltage  from 15 to 25 V have been studied. During droplet evaporation in an electric field, the processes of hierarchical structuring have been studied and the formation of linear piecewise with the sizes of 40—120 nm, fractal structures 25—45 nm and  diffusion structures 250 nm from MWCNT — COOH + aerosil  + H2ODI  have  been observed. These structures have  been analyzed by methods of confocal microscopy, X−ray powder diffraction, Raman scattering, atomic force microscopy, FT−IR spectroscopy and scanning electron microscopy. The size of micro− and nanostructures in hyperbolic dependence of d = 1/U in the  approximation d → 2R, and their growth rate  increases as U2 have been observed. Intensive ultrasonic dispersion proves to produce a centrally−axial arrangement located SWCNT after ultrasonic dispersing of functionalized MWCNT — COOH + aerosil  + H2ODI colloidal solution, as confirmed by excitation of Raman lines in the low−wavelength region, the so−called breathing mode, resulting in the existence of mixed types sp2−hybridization with π− and σ−carbon bonds, as well as metallic and semiconducting conductivity, which indicates great practical importance of this structuring for the development of nanoelectronics. Изучены особенности и закономерности процессов самосборки и самоорганизации в диффузионно−ограниченных условиях (методом из капли) водных (деионизированная вода)  коллоидных растворов многостенных углеродных нанотрубок (МУНТ) с аэросилом под воздействием постоянных электрических полей, варьируемых по величине от 15 до 25 В. В ходе испарения капли в однородном электрическом поле изучены процессы иерархического структурирования и обнаружено формирование линейно−кусочных образований размером 40—120 нм, фрактальных структур — 25—45 нм, а также диффузных структур — 250 нм из «МУНТ — COOH + аэросил + H2Oд.в». Проведены исследования структур методами конфокальной микроскопии, рентгеновской дифрактометрии, спектроскопии комбинационного рассеяния, атомно−силовой микроскопии, ИК−спектроскопии и сканирующей электронной микроскопии. Установлено,  что размеры наблюдаемых микро− и наноструктур уменьшаются по гиперболической зависимости d = 1/U в приближении d  → 2R, а скорость их роста возрастает как U2. Доказано, что интенсивное ультразвуковое диспергирование функционализированных «МУНТ — COOH + аэросил + H2Oд.в» в коллоидном растворе вызывает появление внутри одностенных углеродных нанотрубок с центрально−осевым расположением так называемых дыхательных мод. Это подтверждается возбуждением линий КРС в коротковолновой области, и обусловливает как существование смешанных типов sp2−гибридизации с π− и σ−углеродными связями, так и металлической и полупроводниковой проводимостей, что указывает на большое практическое значение такого структурирования для развития наноэлектроники

Political transition and emergent forest-conservation issues in Myanmar.

Political and economic transitions have had substantial impacts on forest conservation. Where transitions are underway or anticipated, historical precedent and methods for systematically assessing future trends should be used to anticipate likely threats to forest conservation and design appropriate and prescient policy measures to counteract them. Myanmar is transitioning from an authoritarian, centralized state with a highly regulated economy to a more decentralized and economically liberal democracy and is working to end a long-running civil war. With these transitions in mind, we used a horizon-scanning approach to assess the 40 emerging issues most affecting Myanmar's forests, including internal conflict, land-tenure insecurity, large-scale agricultural development, demise of state timber enterprises, shortfalls in government revenue and capacity, and opening of new deforestation frontiers with new roads, mines, and hydroelectric dams. Averting these threats will require, for example, overhauling governance models, building capacity, improving infrastructure- and energy-project planning, and reforming land-tenure and environmental-protection laws. Although challenges to conservation in Myanmar are daunting, the political transition offers an opportunity for conservationists and researchers to help shape a future that enhances Myanmar's social, economic, and environmental potential while learning and applying lessons from other countries. Our approach and results are relevant to other countries undergoing similar transitions

Political transition and emergent forest-conservation issues in Myanmar.

Political and economic transitions have had substantial impacts on forest conservation. Where transitions are underway or anticipated, historical precedent and methods for systematically assessing future trends should be used to anticipate likely threats to forest conservation and design appropriate and prescient policy measures to counteract them. Myanmar is transitioning from an authoritarian, centralized state with a highly regulated economy to a more decentralized and economically liberal democracy and is working to end a long-running civil war. With these transitions in mind, we used a horizon-scanning approach to assess the 40 emerging issues most affecting Myanmar's forests, including internal conflict, land-tenure insecurity, large-scale agricultural development, demise of state timber enterprises, shortfalls in government revenue and capacity, and opening of new deforestation frontiers with new roads, mines, and hydroelectric dams. Averting these threats will require, for example, overhauling governance models, building capacity, improving infrastructure- and energy-project planning, and reforming land-tenure and environmental-protection laws. Although challenges to conservation in Myanmar are daunting, the political transition offers an opportunity for conservationists and researchers to help shape a future that enhances Myanmar's social, economic, and environmental potential while learning and applying lessons from other countries. Our approach and results are relevant to other countries undergoing similar transitions

Socializing One Health: an innovative strategy to investigate social and behavioral risks of emerging viral threats

In an effort to strengthen global capacity to prevent, detect, and control infectious diseases in animals and people, the United States Agency for International Development’s (USAID) Emerging Pandemic Threats (EPT) PREDICT project funded development of regional, national, and local One Health capacities for early disease detection, rapid response, disease control, and risk reduction. From the outset, the EPT approach was inclusive of social science research methods designed to understand the contexts and behaviors of communities living and working at human-animal-environment interfaces considered high-risk for virus emergence. Using qualitative and quantitative approaches, PREDICT behavioral research aimed to identify and assess a range of socio-cultural behaviors that could be influential in zoonotic disease emergence, amplification, and transmission. This broad approach to behavioral risk characterization enabled us to identify and characterize human activities that could be linked to the transmission dynamics of new and emerging viruses. This paper provides a discussion of implementation of a social science approach within a zoonotic surveillance framework. We conducted in-depth ethnographic interviews and focus groups to better understand the individual- and community-level knowledge, attitudes, and practices that potentially put participants at risk for zoonotic disease transmission from the animals they live and work with, across 6 interface domains. When we asked highly-exposed individuals (ie. bushmeat hunters, wildlife or guano farmers) about the risk they perceived in their occupational activities, most did not perceive it to be risky, whether because it was normalized by years (or generations) of doing such an activity, or due to lack of information about potential risks. Integrating the social sciences allows investigations of the specific human activities that are hypothesized to drive disease emergence, amplification, and transmission, in order to better substantiate behavioral disease drivers, along with the social dimensions of infection and transmission dynamics. Understanding these dynamics is critical to achieving health security--the protection from threats to health-- which requires investments in both collective and individual health security. Involving behavioral sciences into zoonotic disease surveillance allowed us to push toward fuller community integration and engagement and toward dialogue and implementation of recommendations for disease prevention and improved health security

Новый подход к автоматизации деятельности автотранспортного предприятия

The article considers possible approaches to automation of the activity of the MotorCompany on the basis of modern technologies of designing of databases (DB), representing  basis of the information system. The presented model of databases, structured design and a specialized CASE-tools ERwin and BPwin. BPwin is used to analyze, and reorganization of complex processes, including business processes. BPwin in one instrument a means of modeling functions (IDEF0), data flow (DFD) and (IDEF3). As a result of performing the above steps using Erwin, developed thestructure of the database MS Access.В статье рассмотрены возможные походы к автоматизации деятельностиавтотранспортного предприятия (АТП) на основе современных технологийпроектирования баз данных (БД), представляющих собой основу информационной системы. Представлены модели баз данных, с использованием структурного метода проектирования и специализированного CASE-средств ERwin и BPwin. BPwin используется для анализа, документирования и реорганизации сложных процессов, в том числе, бизнес-процессов. BPwin совмещает в одном инструменте средства моделирования функций (IDEF0), потоков данных (DFD) и потоков работ (IDEF3). В результате выполнения вышеописанных действий с использованием ERwin,разработана структура БД в среде MS Access