Synthetic materials

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Biomimetic poly(amidoamine) hydrogels as synthetic materials for cell culture

15p toshiba25 08-12-2011 22 3   Download

Synthesis has a central role in the development of Science especially in Chemistry. The strategies adopted in synthesis of molecules and materials have undergone considerable changes in recent times and it was felt that it may be necessary to assess and assimilate information on this topic in a single place. Though, no originality is claimed to the contents on this topic, the very fact that the available information on this topic is available in one place itself is considered to be a major step forward.

361p dontetvui 21-01-2013 43 23   Download

The use of scientific techniques in materials conservation has notably expanded in recent decades. There is much interest in identifying the materials used in culturally important objects. Of great importance is a clear understanding of the state and mechanisms of degradation of objects susceptible to deterioration with time and exposure to environmental factors. An understanding of the state of materials at a molecular level can provide valuable information for conservators, enabling them to decide on a conservation procedure....

445p coeus75 29-01-2013 22 3   Download

A microporous+mesoporous material composed of MCM-41 and MFI was produced by a two-step synthetic process. The solid, called 99MMM-1,:: was characterized by X-ray di4raction (XRD), N2 physisorption, and transmission electron microscopy (TEM).

7p tuananhhumg 04-11-2013 18 2   Download

An extensive body of research suggests that psychological assets do confer resilience and protection and do so at both an individual and an ecological level (Bartley 2006; Fagg et al 2006; Sacker and Schoon 2007). The optimism, self esteem, self efficacy and interest in others that contribute to a child’s success at school are also characteristics of resilient neighbourhoods and communities, where norms of trust, tolerance, support, participation and reciprocity may provide some protection from the effects of deprivation.

0p quygia123 06-11-2012 20 0   Download

The Ministry would like to acknowledge the many educators who have contributed over time to the creation of the following (published and unpublished) documents. These served as points of reference and as sources of information for the ESL specialists who helped develop this resource. In some instances, material from these documents has been adapted for inclusion in the present publication.

97p anhsangthienthan1010 26-04-2010 251 132   Download

A look on energy, renewable energies, energy storage and synthetic fuels, hybrid architecture, fuel cells, hydrogen as a vector of energy of the future.The Earth resources are quite limited in quantity Many challenges to mankind in 21st century: development, health, water, food, demography, education, energy.In physics, energy (Ancient Greek: ἐνέργεια energeia "activity, operation"[1]) is a quantity that is often understood as the ability a physical system has to produce changes on another physical system.

156p dienquochuy 21-12-2012 44 19   Download

These four categories really depend in the main on the idea that in some circumstances, God and religion justify war. This is the ‘just war’ doctrine. The notion of ‘just war’ is based on the violence-of-God tradition, attempting to solidify the relationship between God and war. However, any arguments regarding divine war are built upon understandings of divine justice. Analyzing the concept of ‘just war’, Richard Kirby contends that ‘it is not that the variable attributes of the war which are problematic; it’s the elasticity of the concept of justice’.

508p tay_thi_le 19-02-2013 33 10   Download

This is the first volume of Advances in Nanoporous Materials, a new book series devoted to the science and application of all kinds of nanoporous solids. Its intention is to publish comprehensive reviews of lasting value in the field of nanoporous materials written by renowned experts. Its scope covers all aspects of nanoporous solids, including their preparation and structure, their post-synthetic modification, methods for their characterization as well as their application in catalysis and adsorption/separation....

323p xrzc1-1 16-09-2013 32 10   Download

Several in vitro studies have shown that polyphenols are the major contributors with respect to the total antioxidant activity of the majority of fruits and vegetables. Over 8.000 polyphenolic molecules have been identified and can be classified into flavonoids and non- flavonoid phenolics. Certain authors consider (poly)phenols to be all secondary phytochemicals that have at least two phenol subunits.

876p wqwqwqwqwq 23-07-2012 34 9   Download

Synthetic polymers fulfill many functions in biotechnology and medicine. In cell culture technology and tissue engineering they provide the surfaces to which cells may attach. Cross-linked polymer networks are used for drug delivery and cell encapsulation. Polymer-based porous membranes can be used to shield implanted cells from the immune system of the host, while allowing for the exchange of nutrients and metabolic waste products thus keeping the cells alive and functioning.

171p camchuong_1 10-12-2012 38 8   Download

The most popular of the rigid reinforcements for printed wiring boards is woven E-glass (electrical-grade glass) fabric. These fabrics are constructed to meet weight, thickness, strength, and cost objectives. The woven fabric is used in many industries as reinforcements for thermoplastic and thermosetting plastic parts. Thermosetting laminates are particularly enhanced by the properties of the glass fabric.

164p nguyenthai_thinh 16-03-2013 37 8   Download

The uterosacral ligaments arise from the sacral vertebrate S2,3,4 and attach to the cervical ring posteriorly. It is an effective insertion point of the downward muscle force, the longitudinal muscle of the anus (LMA). The rectovaginal fascia extends as a sheet between the lateral rectal pillars, from the perineal body below to the levator plate above. It is attached to the uterosacral ligaments (USL) and the fascia surrounding the cervix. The perineal body lies between the distal third of the posterior vaginal wall and the anus below the pelvic floor. It is 3-4 cm long.

360p wqwqwqwqwq 20-07-2012 33 7   Download

Some of the issues just outlined are issues that have been constructively considered in the course of this book. UNCTAD has been involved in the area of insurance since its inception in 1964. More recently with the twin focus on the insurance sector being in the area of regulation and trade negotiation in the sector, we have at the request of our member States tried to look at arising development implications so as to provide an overview. As a focal point in the United Nations system for the integrated treatment of trade and development and related issues, UNCTAD has unique...

33p thangbienthai 27-11-2012 32 6   Download

This paper draws upon data from a research project undertaken in Great Britain and Northern Ireland. vii The focus on consumers/end users to develop a broad and situated view of the consumption of counterfeit goods led the data collection to focus primarily on counterfeit versions of leisure goods (e.g., fashion clothes, music, film, games, and other software). The distinction between leisure goods and other types of counterfeit items is not merely one of convenience.

17p nhacchovina 22-03-2013 32 6   Download

The survey results indicate that the majority of students in almost all of the scenarios preferred the modern electronic soundtrack. Furthermore, in each case, regardless of whether a majority was reached, the positive response to this music outweighed the negative response. Focus group comments for the Caligari screening, for example, noted that the DJ Spooky music was “more effective” and allowed for a “better experience” for students.

0p khanhchilam 01-04-2013 32 6   Download

By the early 1980s, mer- chandising was added to the mix, so tie-ins with fast-food chains, automo- bile companies, and lines of toys and apparel could keep selling the movie. Scripts that lent themselves to mass marketing had a better chance of being acquired, and screenwriters were encouraged to incorporate special effects. Unlike studio-era productions, the megapicture could lead a robust afterlife on a soundtrack album, on cable channels, and on videocassette. By the mid-1980s, once overseas income and ancillaries were reckoned in, few films lost money....

14p hongphuocidol 03-04-2013 17 6   Download

It is a known fact that generally speaking industrial companies are not well- equipped in the credit risk measurement area can also be because their potential losses are easier mitigated due to the fact that their credit risks are relatively low. “Trade receivables are generally high-quality assets because companies are very reluctant to jeopardize their relationships with the partners” 2 . In addition, trade receivables of industrial companies are relatively short-term in nature and thus the collection procedure is relatively easier. ...

42p hoangphiyeah1tv 18-04-2013 26 6   Download

Perceived quality of care is an important factor that determines whether people choose to utilise SRH services. Evidence from Bangladesh, Senegal and Tanzania suggests that in areas where women felt that they were receiving a high standard of care, they were more likely to use contraceptives than in areas with lower quality health facilities. Improving quality of care requires that patients’ perspectives and levels of satisfaction are taken into account when evaluating services, and are incorporated into policy decisions.

9p ut_hai_can 25-12-2012 31 5   Download

In addition to describing the design of the Gamma software, a thorough performance evaluation of the iPSC/2 hypercube version of Gamma is also presented. In addition to measuring the effect of relation size and indices on the response time for selection, join, aggregation, and update queries, we also analyze the performance of Gamma relative to the number of processors employed when the sizes of the input relations are kept constant (speedup) and when the sizes of the input relations are increased proportionally to the number of processors (scaleup).

178p nhacsihuytuan 13-04-2013 20 5   Download