Xem 1-20 trên 56 kết quả Natural hosts
  • While the demand for options can arise from many sources, our focus on jumps stems from fundamental considerations regarding the nature of price pro- cesses in an arbitrage-free economy. Recently, Madan [19] has argued that all arbitrage-free continuous time price processes must be both semi-martingales and time-changed Brownian motion. Furthermore, it is argued that if the time change is not locally deterministic, then the resulting price process is discontinuous.

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  • The biological changes underlying the transition process from gingival health to early inflammatory changes involve local increase in vascular permeability, edema and the recruitment and activation of polymorphonuclear neutrophils (PMN) (Delima and Van Dyke 2003). Acquired immune response becomes involved once antigen-presenting cells interact with immunocompetent cells, such as T and B lymphocytes, leading to the expansion of antibody-secreting plasma cells and the development of the chronic lesion (Gemmell and Seymour 2004).

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  • The biologic phenotype underlying chronic periodontitis, including the biofilm and the host response, tend to vary among individuals despite a similar clinical diagnostic category (Offenbacher et al. 2007). Consequently, disease screening should ideally be based on clinical determinations and the biologic phenotype (Page and Kornman 1997). Other associated factors include environmental exposures, as well as differences in genetic and possibly epigenetic composition (Page and Kornman 1997).

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: In vitro host range, multiplication and virion forms of recombinant viruses obtained from co-infection in vitro with a vaccinia-vectored influenza vaccine and a naturally occurring cowpox virus isolate

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  • An understanding of the patient’s current and past sexual activity aids in assessment of sexually transmitted disease risk and contraceptive needs. The physician should strive to avoid assumptions about a patient’s sexuality. One way is to ask, “Are you sexually active with men, women, or both?” Similarly, inquiring whether the patient is interested in contraception rather than as- suming a patient is only choosing between birth control methods will lead to a more productive interaction. Current and prior expression of sexual identity may vary.

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  • In chapter nineteen, Kaneda et al. develop a hemagglutinating virus of Japan envelope (HVJ-E) vector using inactivated Sendai virus, as a pseudovirion for gene and drug delivery. They evaluate the anti-tumor effects of HVJ-E itself on mouse and human melanoma in animal models, and also the enhancement of anti-tumor effects of HVJ-E containing IL-12 gene.

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  • Although the quality requirements advocated in this report are of a very basic character, situations may arise in which it can appear best to depart from these in some way, a matter which is up to each organization who want to put requirements on car-sharing to decide.

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  • All ground water sources should be located a safe distance from sources of contamination. In cases where sources are severely limited; however, a ground water aquifer that might become contaminated may be considered for a water supply, if treatment is provided. After a decision has been made to locate a water source in an area, it is necessary to determine the distance the source should be placed from the origin of contamination and the direction of water movement. A determination of a safe distance is based on specific local factors described in the section on "Sanitary Survey.

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  • You may monitor the market yourself, though at larger firms you’ll be able to rely on the assistance of the money market trading desk. The traders on the desk will contact broker-dealers to review their in- ventory of securities and keep them familiar with the needs of your funds. They’ll also be in touch with corporations interested in issuing commercial paper directly to the buyers, without a broker-dealer as an intermediary. The traders will also help out by monitoring the daily cash needs of the fund.

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  • As the program and concept of family planning grew more accepted, demand grew for other types of contraception, resulting in a pioneering project that used CHWs to deliver Depo Provera injections to their clients in their homes. The community-based distribution program proved so successful, it expanded from its initial three sites to 72 by the mid-1990s. Door-to-door delivery, however, is a costly and time-consuming approach to delivering family planning services. In 1991 Pathfinder’s projects in Bangladesh began to move toward a more sustainable village-based depot approach.

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  • Dualism is a dominant theory of life that considers reality to be a balance between two independent and fundamental principles: good and evil, mind and matter, nature and nurture. In the same manner we see the thread of dualism run through the ecology of parasitism: they can generate diversity but cause extinction, they may castrate a host but increase its growth rate, and they can stimulate an immune response but at the same time encourage a secondary chronic infection.

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  • All exhibitions play a vital role in the UK economy in generating exports. Many exhibitions held in the UK have established themselves as a strong base for international trade. Exhibitions do more than just sell: they build product branding, strengthen existing customer relationships, produce high quality leads, educate, have applications for market research, generate media coverage and are often used to launch new products. Exhibitions play a vital role in the marketing mix offering a wide range of benefits.

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  • Changing climate and rainfall patterns are expected to have significant impacts on agricultural productivity, especially in arid and semi‐arid regions that are already marginal for agriculture. Most climate modeling scenarios indicate that the dry lands of West and Central Asia and North Africa, for instance, will be severely affected by droughts and high temperatures in the years to come. This could lead to land degradation and agricultural expansion.

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  • China's Guangzhou Development District (GDD) will be the site of the new innovation cluster known as Sino-Singapore Guangzhou Knowledge City. Jointly developed by GDD and Singbridge of Singapore, Knowledge City will be an environmentally and technologically advanced city that hosts innovative

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  • A long-standing tenet of distributed systems is that the strength of a distributed system can grow as more hosts partic- ipate in it. Each participant may contribute data and computing resources (such as unused CPU cycles and storage) to the overall system, and the wealth of the community can scale with the number of participants. A peer-to-peer (P2P) distributed system is one in which participants rely on one another for service, rather than solely relying on dedicated and often centralized infrastructure.

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  • Natural resources- definition, characteristics and classification of natural resources. Historical development of natural resource economics, major natural resource issues, role of economics in natural resource planning, policy formulation and management. Common property resources. Time and spatial analysis in use of renewable and nonrenewable natural resources. Natural resource accounting. Natural resource scarcity, measures to mitigate resource scarcity, individual utility and the social welfare function.

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Respiratory Research cung cấp cho các bạn kiến thức về ngành y đề tài: Distinct host cell proteins incorporated by SIV replicating in CD4+ T Cells from natural disease resistant versus non-natural disease susceptible hosts...

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  • Tham khảo luận văn - đề án 'báo cáo khoa học: " in vitro host range, multiplication and virion forms of recombinant viruses obtained from co-infection in vitro with a vaccinia-vectored influenza vaccine and a naturally occurring cowpox virus isolate"', luận văn - báo cáo phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • For most stable trauma patients, CT has become the definitive imaging modality of choice when intraabdominal injury is suspected. CT is rapid and highly sensitive and specific for many important injury types. The information provided by CT allows prognosis of injury and selective nonoperative management in both blunt and penetrating trauma. CT is less sensitive for some important injuries, including bowel and diaphragmatic trauma, a limitation that must be recognized to prevent clinical errors following a negative CT.

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  • Harmful alcohol consumption is risky both for the drinker and for other people. An intoxicated person can put people in harm’s way by involving them in traffi c accidents or violent behaviour, or by negatively affecting co-workers, relatives, friends or strangers. A survey in Australia found that two thirds of respondents were adversely affected by someone else’s drinking in the past year. Alcohol consumption also affects society at large.

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