الصفحة 12
الصفحة 12
Essential oils as antibacterial agents
An alarm increase in the rate of emerging of resistant bacteria have been causing a great public concern worldwide. This problem of increasing resistance has necessitated the search for safe and effective factors that may be used to treat persistent bacterial infections or modify the currently available antibiotics. An experimental approach, using agar diffusion method was used to estimate the antibacterial properties of 5 essential oils (cinnamon, clove, peppermint, rosemary and thyme) each one individually, in pure and commercial form, against 3 of the bacterial strains that cause common skin infections which are gram negative bacteria (Escherichia coli, Pseudomonas aeruginosa) and gram positive bacteria (Staphylococcus aureus), obtained from clinical sources. Only two of the commercial oils had an antibacterial effect on both gram negative bacteria (E. coli) and gram positive bacteria (S. aureus) and in lesser extent on gram negative bacteria (P. aeruginosa).synergy.
Essential echocardiography : A practical guide
A Practical Handbook serves as today's premier practical guide to the understanding of the most commonly used cardiac imaging technique in the world. The perfect marriage between anatomy and physiology, the text covers emerging cardiac imaging technologies, advances in ultrasound technology, as well as new techniques and applications of cardiac ultrasound. Essential Echocardiography: A Practical Handbook provides the physiological, anatomical, and diagnostic grounding for all students of cardiac ultrasound, as well as a sound basis for a more general understanding of cardiac imaging.
Error-Correction Coding and Decoding : Bounds, Codes, Decoders, Analysis and Applications
This book discusses both the theory and practical applications of self-correcting data, commonly known as error-correcting codes. The applications included demonstrate the importance of these codes in a wide range of everyday technologies, from smartphones to secure communications and transactions. Written in a readily understandable style,This book is a valuable resource for anyone interested in error-correcting codes and their applications, ranging from non-experts to professionals at the forefront of research in their field.
Equidistribution in Number Theory, An Introduction
This volume presents details of the lecture series that were given at the school. Across the broad panorama of topics that constitute modern number t- ory one nds shifts of attention and focus as more is understood and better questions are formulated. Over the last decade or so we have noticed incre- ing interest being paid to distribution problems, whether of rational points, of zeros of zeta functions, of eigenvalues, etc. Although these problems have been motivated from very di?erent perspectives, one nds that there is much in common, and presumably it is healthy to try to view such questions as part of a bigger subject.
Epiphyseal Growth Plate Fractures
This comprehensive reference work covers all aspects of growth plate fractures and their complications. Following general reviews of growth plate fractures, 21 chapters deal with each epiphyseal growth plate in the body. All of these chapters are constructed similarly for easy and quick retrieval of the required information. The main emphasis is on evaluation (diagnosis) and management (treatment). A separate section is devoted to premature partial physeal arrest, as this is by far the most common and feared complication of a growth plate fracture and its treatment is involved and controversial. The case studies included are often based on 20- to 30-year follow-ups, revealing cases that originally appeared to be quite satisfactory at the conclusion of growth but were found to have turned out quite poorly years later.
Epilepsy
Epilepsy has remained a significant social concern and financial burden globally. It is the most common neurological disease of the brain. Around 1% of the people worldwide have epilepsy and this disease affects people of all ages, Although the different types of epilepsy vary greatly, medication appropriate can control seizures in about 70% of patients, Medications are mainstays in controlling epileptic seizures, Partial seizures, which are the most common seizure type in adults, can be effectively controlled by virtually all the standard and newer antiepileptic drugs (AEDs). For the generalized epilepsies, valproate remains the drug of choice.
Environmental valuation with discrete choice experiments : Guidance on design, implementation and data analysis
This book offers up-to-date advice and practical guidance on how to undertake a discrete choice experiment as a tool for environmental valuation. It discusses crucial issues in designing, implementing and analysing choice experiments. Compiled by leading experts in the field, the book promotes discrete choice analysis in environmental valuation through a more solid scientific basis for research practice. Instead of providing strict guidelines, the book helps readers avoid common mistakes often found in applied work. It is based on the collective reflections of the scientific network of researchers using discrete choice modelling in the field of environmental valuation (www.envecho.com).
Environmental security and environmental management : The role of risk assessment ; Proceedings of the NATO Advanced Research Workhop on The Role of Risk Assessment in Environmental Security and Emergency Preparedness in the Mediterranean Region, held in Eilat, Israel, April 15-18, 2004
The concept of “environmental security” has emerged as one basis for understanding international conflicts. This phrase can mean a variety of things. It can signify security issues stemming from environmental concerns or conflicting needs, or it can mean that the environment is treated as a resource for the long term, and the question is what should be done today to preserve the quality of the environment in the future. In the same way that energy security is about ensuring access to energy for the long run, it can also mean that pressing environmental concerns create a situation where different countries and communities are forced to collaboratively design a unified response, even if cooperation is not generally in the logic of their relations. Over the last several years, the authors of this book and their colleagues have tried to demonstrate the power of risk assessment and decision analysis as valuable tools that decision makers should use for a broad range of environmental problems, including environmental security. Risk analysis is almost more a state of mind or a way of looking at problems than it is a kind of algorithm or a set of recipes. It projects a kind of rationality on problems and forces a certain degree of quantitative rigor, as opposed to the all too common tendency of making environmental recommendations based on anecdotal evidence.
Environmental Health in Central and Eastern Europe
Complex chemical mixtures impact our health every day. In the United States, and also in Central and Eastern Europe, there are a number of locations where complex chemical mixtures have been released to environmental media. Although exposure to mixtures is common, minimal information exists to quantify these exposures, or to determine their impact on human or ecological receptors. These proceedings present some of the most current research conducted to quantify complex mixtures in the environment and investigate their potential impact on human health. Many of the manuscripts reported in these proceedings represent the most up-to-date measurements of population exposures in Central and Eastern Europe. These studies are of value to health and environmental professionals around the world as they develop strategies for assessing exposures, remediating contaminated environments, and improving public health.
Enhancing the Dissolution Rate of Atorvastatin by Solid Dispersion Technique
In the last few decades, solid dispersion (SD) technology had been studied as an approach to produce an amorphous carrier to enhance the solubility, dissolution rate, and bioavailability of poorly water-soluble drugs. The use of suitable carrier and methodology in the preparation of SDs play a significant role in the biological behavior of the SDs. Atorvastatin is a statin group HMG-CoA reductase inhibitor drug that is commonly used to adverse cardiovascular events and to lower blood total cholesterol and LDL-cholesterol. the solubility of atorvastatin in water is very low (0.1 mg mL− 1), which results in reduced bioavailability. In order to enhance its solubility, we have prepared solid dispersions (SDs) of atorvastatin at different drug: polymer ratios (1:2, 1:10, 1:20,1:25 and 1:40), using polyethylene glycol 6000 as polymer and different preparation methods (co-precipitate and melting methods) The characterization of the SDs was performed using differential scanning calorimetry (DSC), Fourier transform infrared spectroscopy (FTIR) The solubility of AT was improved by the incorporation PEG6000.
English proofreader
Using Natural Language Processing via Deep Learning, we will attempt to implement a context-sensitive spelling error correction system focused on casual text messaging. For example, usual autocorrect systems will not correct a sentence like “An apple is better than a banana” as this is a syntactically correct sentence. However, a correction should be made here to the word “then” and the sentence should be, “An apple is better than a banana.” These types of mistakes are common in people texting and can be found for example in people learning English as a second language. Natural Language Processing can be summarized as combining the utilization of computation to understand the concepts of natural language and speech.
Engineering self-organising systems Vol. 3910 ; 3rd International Workshop, ESOA 2005, Utrecht, The Netherlands, July 25, 2005, Revised Selected Papers
This book contains recent work from a broad range of areas with the common theme of utilising self-organisation productively. As distributed information infrastructures continue to spread (such as the Internet, wireless and mobile systems), new challenges have arisen demanding robust and scalable solutions. In these new challenging environments the - signers and engineers of global applications and services can seldom rely on centralised control or management, high reliability of devices, or secure en- ronments. At the other end of the scale, ad-hoc sensor networks and ubiquitous computing devices are making it possible to embed millions of smart computing agents into the local environment.
Engineering human computer interaction and interactive systems ; Joint Working Conferences EHCI-DSVIS 2004, Hamburg, Germany, July 11-13, 2004, Revised Selected Papers
As its name suggests, the EHCI-DSVIS conference has been a special event, merging two different, although overlapping, research communities: EHCI (Engineering for Human-Computer Interaction) is a conference organized by the IFIP 2.7/13.4 working group, started in 1974 and held every three years since 1989. The group’s activity is the scientific investigation of the relationships among the human factors in computing and software engineering. DSVIS (Design, Specification and Verification of Interactive Systems) is an annual conference started in 1994, and dedicated to the use of formal methods for the design of interactive systems. Of course these two research domains have a lot in common, and are informed by each other’s results.
Energy Resources in East Africa: Opportunities and Challenges
East African states have historically shared several resources including energy and common heritage of its people. This book provides information on available sources of energy in the region and how the energy suppliers can exploit them in an integrated form to produce the right blend of energy for various applications e.g., industrial, domestic and recreational uses. We provide an in-depth analysis of the advantages and disadvantages of different energy sources in-terms of environmental, industrialization, distribution costs and impacts. We hope that the book will contribute towards a sustainable exploitation of energy resources for the improvement of the people’s quality of life.
Energy Poverty : (Dis)Assembling Europe's Infrastructural Divide
Aims to consolidate and advance debates on European and global energy poverty by exploring the political and infrastructural drivers and implications of the condition across a variety of spatial scales. It highlights the need for a geographical conceptualization of the different ways in which household-level energy deprivation both influences and is contingent upon disparities occurring at a wider range of spatial scales. There is a strong focus on the relationships among energy transformation, institutional change and place-based factors in determining the nature and location of energy-related injustices. The book also explores how patterns and structures of energy poverty have changed over time, as evidenced by some of the common measures used to describe the condition. In part, this means investigating the makeup of energy poor demographics across various social and spatial cleavages. More broadly, it also argues that energy sector reconfigurations are both reflected in and shaped by various domains of social and political organization, especially in terms of creating poverty-relevant outcomes.
Energy methods in structural mechanics : A comprehencive introduction to matrix and finite element methods of analysis
Provides a basic and clear introduction to the principles underlying finite elements and the computer based methods of the analysis of structures commonly used in industry. There can be a danger that, without such an understanding, engineers will use these computer based analysis tools as black boxes and accept results without being aware of the real significance of the information obtained.
Endoscopic Anatomy of the Third Ventricle : Microsurgical and Endoscopic Approaches
In this atlas anatomical aspects important for combinations of microsurgical and endoscopic approaches are presented and illustrated. Modern imaging techniques are necessary for the three-dimensional orientation but do not show enough details for endoscopic interventions. The small visual fields need a combination of the depiction of fine details and of the three-dimensional presentation of large areas. Furthermore, problems with little known anatomical standard variants of the target areas may arise. Therefore, numerous common anatomical variants are demonstrated with reference to their impact for the surgical technique.
Endocrinology and diabetes
Covers endocrine anatomy and physiology, scientific background, clinical presentations, diagnosis and management of various endocrine disorders. Clear and concise chapters focus on conditions commonly encountered in both clinical practice and assessments.
Encyclopedia of Molecular Pharmacology
It provides rapid access to information on molecular pharmacology for research scientists, clinicians and advanced students. With the A-Z format of over 2,000 entries, around 350 authors provide a complete reference to the area of molecular pharmacology. The book combines the knowledge of classic pharmacology with the more recent approach of the precise analysis of the molecular mechanisms by which drugs exert their effects. Short keyword entries define common acronyms, terms and phrases. In addition, detailed essays provide in-depth information on drugs, cellular processes, molecular targets, techniques, molecular mechanisms, and general principles.
Encyclopedia of herbal medicine : 550 herbs and remedies for common ailments
A definitive reference on herbal plants and their medicinal properties for those seeking natural remedies. [It provides] detailed descriptions, constituents, and uses for over 550 plants; practical how-to remedies for more than 80 ailments, ranging from headaches to arthritis; [and] includes the latest scientific research and safety advice. Additional features include an herb directory with photographic index, guidelines for growing medicinal plants and making home remedies, and historical and cultural perspectives for herbal medicine around the world.
