Xem 1-20 trên 99 kết quả Protein docking
  • The major organic loading originates from human excreta, and is a complex mixture of fats, proteins, carbohydrates, lignin amino acids, sugars, celluloses, humic material and fatty acids. A large proportion of this organic material is in the form of both live and dead microorganisms which provide a large surface area (0.8-1.7 m2 g-1 ) for sorption of hydrophobic organic residues and it is within this fraction that most synthetic organic compounds are located (ROGERS 1996).

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  • In the present article, we address the question that how important role do the Quantum Mechanic (QM) and Molecular Mechanics (MM) forces play in ligand docking on protein, via the use semi-quantum relaxation approach (SQRA) using different forces, e.g. quantum, Van der Waals and Coulomb ones, in the process of ligand - protein docking. The QM approximation is applied to calculate the QM forces of neighbor protein-atoms acting on ligands. The L-J 6-12 empirical potential model and Coulomb rule are applied to calculate the forces from the rest protein-atoms on each ligand - atom.

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  • The courses are student said. Key Features: 100% new material, clear grammar, vocabulary, pronunciation purpose of each lesson, revised Grammar Bank, with additional rules and exercises. Modify & Check section for each file. Photocopiable materials for teachers, including vocabulary, grammar, communication, and pronunciation activities.

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  • The role of emotions HRI is also an important research area so that human and robot can follow stand each other's emotional expression. Development of appropriate control architecture facilitate flexible human-machine communication and cooperation cooperation is essential for HRI. A control architecture proposed basis for the interaction and coat drive a sensor research and development, the communication modes and protocols, and system development. In addition, a majority of HRI research related to the application and learn lessons from the man-machine applications....

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  • The study was conducted at the University of Technology, Sydney (UTS). In 2009, 46% of the students were born outside of Australia, approximately 30% were from a non-English speaking background, and 21% were enrolled as international students. In 2009, the faculties with the largest concentrations of international students were Business (34%) and Engineering and Information Technology (29%).

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  • Writing is a skill, and like other skills, it has to be acquired. Writing is important to convey ideas, give instructions, share and preserve knowledge and so on. Although writing is very important, in most cases, it is never considered as an important skill. Writing is not just about using correct spelling, organizing words and ideas and following grammar, it is much more than that.Widdowson (1978) describes writing as the use of the visual medium to manifest the graphological and grammatical system of the language. Flower (1985) in an interesting comment on the skills of reading...

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  • The technique can be applied for chlorophyll level monitoring in basic photosynthesis research, agriculture, horticulture, and forestry. Abiotic stress (water deficit, salinity, heat, heavy metals soil contamination, intense light, etc) affects significantly crop growth and yield in agricultural areas all over the world. Thus, it is imperative to study their effect upon the crops and discriminate among abiotic stresses using new noninvasive and nondestructive remote sensing precision diagnostic techniques.

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  • However, in 2009, about 15% of world corn production is converted into ethanol fuel. More subtle example occurs when a inedible biomass as energy source, but its production still compete with food supply chain. Recent world food price increases, especially in 2008 has been blamed a classification of food crops towards biofuels production.

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  • Real estate investment trusts (“REITs”) have been around for more than fifty years. Congress established REITs in 1960 to allow individual investors to invest in large-scale, income-producing real estate. REITs provide a way for individual investors to earn a share of the income produced through commercial real estate ownership – without actually having to go out and buy commercial real estate. What is a REIT? A REIT, generally, is a company that owns – and typically operates – income-producing real estate or real estate-related assets.

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  • According to the scheme for forests, the services are divided into five main categories: resources; ecological; biospheric; social; and amenities2. The resources category refers to all goods that may be obtained from forests (wood and non-wood); the ecological services are those related to protection of water, soil and health; the biospheric services are mainly climate regulation and biodiversity protection; while social and amenity services comprise of different types of recreational activities and the cultural importance of forests.

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  • The use of alternative fuels to displace coal reduces reliance on fossil fuels, reduces emissions of carbon dioxide (CO2) and other pollutants, and contributes to long-term cost savings for cement plants. Further, due to their high burning temperatures, cement kilns are well-suited for accepting and efficiently utilizing a wide range of wastes that can present a disposal challenge. This report begins with an overview of the types of alternative fuels used in cement kilns, focusing on energy and environmental considerations.

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  • Sustainability is increasingly being viewed as a non-negotiable added extra that comes at a price, although it can offer financial rewards, particularly over the longer term. These rewards are measured in micro (energy efficiency, recycling etc.) and macro terms (greenhouse gas reducing, less resource depleting etc.), and are nearly always environmentally-based. The social aspects of sustainabilty (productivity, well-being etc.) must also be seriously considered. However, financial rewards from investment in this area are less understood.

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  • While the prevalence of malnutrition in the free-living elderly population is relatively low, the risk of malnutrition increases dramatically in the institutionalized and hospitalized elderly. 1 The prevalence of malnutrition is even higher in cognitively impaired elderly individuals and is associated with cognitive decline. 2 Patients who are malnourished when admitted to the hospital tend to have longer hospital stays, experience more complications, and have greater risks of morbidity and mortality than those whose nutritional state is normal.

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  • We now turn to the potential benefits of having a more accurate estimate of Chemical A's true cost. As described above, this requires knowledge of the firm's ability to change its actions in response to better information. If the disposal cost X of Chemical A is revealed to be significant, how might the firm respond? This is a question that hinges primarily on the firm's technological options and the availability of substitute inputs. Substitutes can take a variety of forms.

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  • Accountants draw upon these understandings in presenting, re-presenting and legitimising their activities as professional. With reference to the UK accountancy profession, we observe the bodies administering the training records and examinations of prospective professionals that justify the right to the privileges of membership.

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  • The Single Market needs to continue to adapt to reach the potential for businesses and consumers in a borderless Europe. Technological change offers huge possibilities, but it needs to be accompanied by new approaches in areas like procurement, standards, and intellectual property. The EU needs a long-term framework for energy and climate policies so that investment and policy target competitiveness and tackle climate change.

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  • Filers categorized over half of the subjects as policyholders of either the insured, the beneficiary, the payer, or the applicant. The next largest category of subjects was the applicant or owner of an annuity. Consistent with data from all other financial services industries, insurance compa- ny filers most commonly cited “BSA/Money Laundering/Structuring” as the charac- terization of suspicious activity. Structuring, where larger transactions are broken into smaller exchanges, is consistent with an attempt to avoid currency reporting requirements. ...

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  • The fact that entrepreneurs may insulate workers’ earnings from shocks in the prod- uct market has long been recognised as an important determinant of the dynamics of wages. The rationale for such an insurance ultimately rests on the concept of implicit labour contracts originated by Azariadis (1975), Baily (1974) and Gordon (1974). A central empirical implication is that contract wages may entail implicit payments of insurance premiums by workers in favourable states of nature and the receipt of indemnities in unfavourable states....

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  • The evidence in this paper documents that the similarities between banks’ and non- financial firms’ capital structure may be greater than previously thought. Specifically, this paper establishes five novel and interrelated empirical facts. First, standard cross-sectional determinants of firms’ capital structures also apply to large, publicly traded banks in the US and Europe, except for banks close to the minimum capital requirement.

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  • The relationship between ináation and interest rates has also been conÖrmed by numerous studies. We can summarise the results obtained in four points. The Örst is that in the long run, this relationship is nonlinear. For example, Evans and Lewis (1995) represent the ináation dynamics with a Markov process to take into account some episodic changes.

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