International chemical

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  • Risk assessment of chemical substances is an ever-developing discipline. Transparent and accurate risk assessments are necessary for decision-makers to make wise risk management decisions. The outcome of risk assessments may have enormous economical consequences, in addition to the consequences for human health and the environment. Globalization is a fact, with huge possibilities for economic and social prosperity. Food and consumer products are produced in one part of the world and put on the market in another....

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  • This book is intended as a guide to the selection or design of the principal kinds of chemical process equipment by engineers in school and industry. The level of treatment assumes an elementary knowledge of unit operations and transport phenomena. Access to the many design and reference books listed in Chapter 1 is desirable. For coherence, brief reviews of pertinent theory are provided. Emphasis is placed on shortcuts, rules of thumb, and data for design by analogy, often as primary design processes but also for quick evaluations of detailed work....

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  • Internal combustion engines (ICE) are the main sources of powering for almost all road vehicles, yet many other machines too. Being under strength development for a number of years, they have already reached a relatively high level of technical excellence and now they also produce acceptable output parameters. Still, they are not devoid of drawbacks. Harmful exhaust emissions can be pointed as the most important here. This problem is the main focus of interest for automotive researchers and engineers.

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  • Thepast40yearshaveseenaphenomenalgrowthin globallyorientedpublicand privateinitiatives relatedto chemicalandotherenvironmentalissues. Theground- breaking1972 UnitedNationsConferenceonthe HumanEnvironmentheldin Stockholm,inwhichIwashonoredtoplayarole,usheredinaveritableseachange in international environmentalpolicies.Itgaveriseto the firstWorldEnvironment DayandthecreationoftheUnitedNationsEnvironmentProgramme.Itputtheenvi- ronmentontheinternationalagendaasaglobalconcern,whichmustbeandcouldbe reconciledwitheconomicdevelopmentastwo sidesofthe samecoin.

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  • companion document, entitled Guidance on Safety Performance Indicators (2003), will be published immediately following the 2nd edition of the Guiding Principles. The Guidance on SPI is designed to assist relevant stakeholders to establish programmes for assessing their own performance related to the prevention of, preparedness for, and response to chemical accidents.

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  • The EU Water Framework Directive (2000/60/EC) is probably the most significant legislative instrument in the water field that was introduced on an international basis for many years. It moves towards integrated environmental management with key objectives to prevent any further deterioration of water bodies, and protect and enhance the status of aquatic ecosystems and associated wetlands. It aims to promote sustainable water consumption and will contribute to mitigating the effects of floods and droughts.

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  • Tham khảo sách 'engineering fundamentals of the internal combustion engine', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • The Chemical Weapons Convention requires, among other things, that the signatories to the convention--which includes the United States--destroy by April 29, 2007, or as soon possible thereafter, any chemical warfare materiel that has been recovered from sites where it has been buried once discovered. For several years the United States and several other countries have been developing and using technologies to dispose of this non-stockpile materiel. To determine whether international efforts have resulted in technologies that would benefit the U.S. program, the U.S.

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  • Absence of melanocytes. b Normal number of melanocytes. c Platelet storage defect and restrictive lung disease secondary to deposits of ceroid-like material; one form due to mutations in β subunit of adaptor protein. d Giant lysosomal granules and recurrent infections. The differential diagnosis of localized hypomelanosis includes the following primary cutaneous disorders: idiopathic guttate hypomelanosis, postinflammatory hypopigmentation, tinea (pityriasis) versicolor, vitiligo, chemical leukoderma, nevus depigmentosus (see below), and piebaldism (Table 54-9).

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  • A material weakness is a condition in which the design or operation of one or more of the internal control components does not reduce to a relatively low level the risk that misstatements in amounts that would be material in relation to the basic financial statements being audited may occur and not be detected within a timely period by employees in the normal course of performing their assigned functions.

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  • In many respects, the science of materials has only fully utilized two of its three fundamental tools —the variables of temperature and chemical composition. Pressure, the third fundamental variable altering materials, is in many ways the most remarkable, as it spans some 60 orders of magnitude in the universe.

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  • Tham khảo sách 'proceedings of the international school of physics "enrico fermi"_1', khoa học tự nhiên phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Two samples were also analysed for polychlorinated dioxins and furans (PCDD/Fs), a class of chemical that can be formed during the combustion of materials present in e-waste. Soil from an open burning site was moderately contaminated, while sediment from the Agbogbloshie lagoon contained a very high level of these highly toxic, highly persistent and bioaccumulative chemicals, at a level just below the threshold defined as being indicative of serious contamination for sediments in the Netherlands.

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  • Translation initiation of hepatitis C virus (HCV) occurs through an internal ribosome entry site (IRES) located at its 5¢-end. As a positive-stranded RNA virus, HCV uses its genome as a common template for translation and replication, but the coordination between these two pro-cesses remains poorly characterized.

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  • CCR5 is a G protein-coupled receptor that binds several natural chemokines but it is alsoa coreceptor for the entryof M tropic strains of HIV-1 into cells. Levels of CCR5 on the cell surface are important for the rate ofHIV-1 infectionand are determined by a number of factors including the rates of CCR5 internalization and recycling. Here we investigated the involvement of the actin cytoskeleton in the control of ligand-induced internalization and recycling of CCR5.

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  • Determinants for desensitization and sequestration of G protein-coupled receptors often contain serine or threonine residues located in their C-ter-mini. The sequence context, however, in which these residues have to appear, and the receptor specificity of these motifs are largely unknown.

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  • If the lender is not willing to offer you an alternative repayment arrangement, the reasons must be given to you in writing. In these circumstances, the lender must notify you of other options available to you and of your right of appeal to its internal Appeals Board. You will have 20 business days, from the date you receive the lender’s decision on your case, to make an appeal to the Appeals Board. If you are still not satisfied with the decision of the Appeals Board, you can appeal your case further to the Financial Services Ombudsman (FSO)....

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  • Type II transmembrane serine proteases are an emerging class of proteo-lytic enzymes involved in tissue homeostasis and a number of human disor-ders such as cancer. To better define the biochemical functions of a subset of these proteases, we compared the enzymatic properties of matriptase, matriptase-2, hepsin and DESC1 using a series of internally quenched fluorogenic peptide substrates containingo-aminobenzoyl and 3-nitro-tyro-sine.

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  • Employers in English-speaking countries are increasingly requiring evidence from non-English speaking background professionals seeking employment in fields for which they are academically qualified that they can demonstrate a high level of proficiency in English, such as is represented by an IELTS band score of 7.0. The purpose of this study was to investigate the likelihood of non-English speaking background undergraduate students who had met the English language proficiency requirements for study at an Australian university on the basis of an Overall score of 6.

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  • The McGraw-Hill Dictionary of Environmental Science provides a compendium of 8,800 terms that are relevant to environmental science and related fields of science and technology. The coverage includes terminology from more than 30 disciplines, including agriculture, botany, chemical engineering, civil engineering, climatology, ecology, forestry, genetics and evolution, geochemistry, geography and mapping, meteorology, microbiology, mycology, oceanography, petroleum and mining engineering, plant pathology, systematics, and zoology....

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