Molybdenum carbide has a high melting point and hardness, good thermal stability and mechanical stability, and excellent corrosion resistance and other characteristics. Molybdenum is a silvery white refractory metal, a melting point of 2615 ℃, density of 10.2 g / cm 3, the expansion coefficient is small, a special tube is almost the same coefficient of expansion of the glass. Molybdenum stable at room temperature is higher than 600 ℃, rapidly oxidized.
2013年7月19日星期五
years of rare earth coordination chemistry unusual
is a university, under the State Ministry of Light Industry, is now the provincial bureau to build colleges and universities. In the school, there is a team, through 10 years of solid work, not only to achieve a rare breakthrough in the field of coordination chemistry, also formed a prominent multi-scale composite functional material characteristics. Recently, the reporter came to Zhengzhou Light House, I learned a university research in the field of coordination chemistry of rare earth get unusual results.
Innovation team is not ordinary
This team is a composite functional material" Innovation Team (hereinafter referred to as "innovation team"). The team was selected in 2011 for the year the Ministry of Education, Scholars and Innovative Research Team" marks Zhengzhou Light House in the field of composite material formed Ministry of Education Innovation Team, Key Laboratory of Ministry of Education training base, provincial key laboratories, doctorate provincial project other relatively complete innovation system and personnel training system.
It is learned that innovation team was first engaged in low molecular weight organic silicon monomer synthesis and other aspects of composite materials. However, with the development of fusion research and talent introduction, design and synthesis of and polymers / No (there is) machine hybrid material as the core of research innovation team.
Beginning in 2003, with the Molybdenum crucible nstitute, University of Wisconsin, Kong Science and Technology University and other renowned research institutions and universities postdoctoral, doctoral join, innovative team in materials, micro-and molecular-based crystal materials, etc. research to expand and achieved significant results, thus curing the preparation of micro-and nano functional materials, molecular-based synthesis of two crystalline materials with sustainable growth potential research directions.
To further enhance the capability of independent innovation, consolidate and expand the breadth and depth of research, innovation team has introduced American Rice University and other well-known domestic and foreign institutions and scholars, making the team at the micro and nano particle synthesis and devices, new molecule-based crystalline material two research directions to further enhance the strength.
So far, 13 key the creative team have a doctoral degree, including 8 professors, students returned 6 people. 2008 and 2009, the team of Province Department of Education, Science and Technology Department of Province Science and Technology Innovation determined team, innovative technology team.
Features innovative features research achievements
June 2012, "Chemical Communications" published an innovative team of research papers, "a line and flexible 6,6 ' constructed with high symmetry hexagonal geometry Type 3 - cycle semi-regular (46.69)-complex network topology examples, "the paper's publication, American scientists verified the theoretical prediction of three-dimensional (46.69) network topology.
2012, the creative team through the regulation of the composition of the reaction to synthesize two pairs of odd and even nuclear dysprosium compounds with first discovered in the same system as the increase in the number of metal-core, single-molecule magnets and properties (Multi-iron performance) significantly improved phenomenon. In October, the results published in the "European Chemical" on.
This has been achieved is not easy, from the late 1990s, the team first proposed the concept of urethane to now form prominent characteristics of multi-scale composite functional materials, innovative team consistently more than a decade of research and exploration years.
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