| 单词 | metathesis |
| 例句 | Many reactions of this type involve the exchange of ions between ionic compounds in aqueous solution and are sometimes referred to as double displacement, double replacement, or metathesis reactions. Chemistry 2019-02-14T00:00:00Z Schrock discovered that two metals, tungsten and molybdenum, were effective catalysts in producing metathesis, which means “changing places.” Robert H. Grubbs, Nobel laureate in chemistry, dies at 79 2021-12-25T05:00:00Z Exploiting a process known as metathesis, in which carbon compounds exchange parts with one another, Grubbs showed how to create a broad range of new products, from environmentally friendly plastics to resins to pharmaceuticals. Robert H. Grubbs, Caltech Nobel Prize winner who revolutionized green chemistry, dies 2021-12-29T05:00:00Z What’s going on there is metathesis, and it’s a very common, perfectly natural process. Why it’s time to stop worrying about the decline of the English language 2019-08-15T04:00:00Z He found the freedom to choose his research when he joined the French Petroleum Institute in 1960, and it led to his breakthrough on metathesis. Yves Chauvin, Chemist Sharing Nobel Prize, Dies at 84 2015-01-30T05:00:00Z What are the remaining challenges for olefin metathesis? Q&A: A sustainable chemist 2013-10-16T17:21:39.283Z The discoveries in metathesis allowed for the development of new organic compounds, built through carbon-carbon bonds. Robert H. Grubbs, Nobel laureate in chemistry, dies at 79 2021-12-25T05:00:00Z He became particularly interested in metathesis, a word meaning changing places, involving chemical reactions in which two carbon-based molecules exchange fragments under the influence of a third molecule, known as a catalyst. Robert H. Grubbs, Caltech Nobel Prize winner who revolutionized green chemistry, dies 2021-12-29T05:00:00Z Another application that I am excited about, and that I spoke about at the Lindau meeting, is the use of metathesis in pheromone synthesis. Q&A: The bond shifter 2013-10-16T17:21:33.257Z Such investigations will allow the selectivity and performance of the stereoselective metathesis catalysts to be scrutinized in great detail. [Review] Teaching Metathesis “Simple” Stereochemistry 2013-09-19T17:56:27.310Z Are the supplies of catalytic metals for olefin metathesis sufficient? Q&A: A sustainable chemist 2013-10-16T17:21:39.283Z A sports manufacturer has developed a plastic baseball bat from compounds created through metathesis. Robert H. Grubbs, Nobel laureate in chemistry, dies at 79 2021-12-25T05:00:00Z The liver in old-time pathology was considered the most important of the abdominal organs and was taken by metathesis for them all. Psychotherapy 2011-06-19T02:00:20.053Z When I started doing the early metathesis work, people from big companies would show up and want to test the catalysts. Q&A: The bond shifter 2013-10-16T17:21:33.257Z The current state of the art is critically assessed, as are possible alternatives such as the metathesis of triple bonds followed by stereoselective semi-reduction. [Review] Teaching Metathesis “Simple” Stereochemistry 2013-09-19T17:56:27.310Z Abundance and sustainability are crucial for the future of olefin metathesis, as they are for other areas of chemistry. Q&A: A sustainable chemist 2013-10-16T17:21:39.283Z After a postgraduate year at Stanford University, he joined the Michigan State University faculty in 1969 and began his research in metathesis. Robert H. Grubbs, Nobel laureate in chemistry, dies at 79 2021-12-25T05:00:00Z The living speech is further characterized by innumerable cases of consonantal metathesis and by parasitic nasalization. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 "Cat" to "Celt" What applications and developments do you foresee for olefin metathesis? Q&A: The bond shifter 2013-10-16T17:21:33.257Z Three of the most important of these are assimilation, dissimilation, and metathesis. The Romance of Words (4th ed.) Applying olefin metathesis and taking it to its extremes: high temperature, tandem catalysis, fancy molecules, polymer chemistry. Q&A: A sustainable chemist 2013-10-16T17:21:39.283Z This progressive metathesis of r is very common in the South. Scandinavian influence on Southern Lowland Scotch As it seems to mean “people of the mountains,” it is not unlikely to be a form of “Igolot,” by metathesis, as it were. The Head Hunters of Northern Luzon Olefin metathesis is an important part of undergraduate chemistry. Q&A: The bond shifter 2013-10-16T17:21:33.257Z When metathesis extends beyond one word we have what is known as a Spoonerism, the original type of which is said to be— "Kinquerings congs their titles take." The Romance of Words (4th ed.) Because I am not an organic chemist, I didn't realize for many years how impressive a reaction metathesis is. Q&A: A sustainable chemist 2013-10-16T17:21:39.283Z In addition to these a large number of words appear in Old and Middle Sco. differing from literary English with regard to metathesis, sometimes showing metathesis where Eng. does not. Scandinavian influence on Southern Lowland Scotch Our olefin metathesis catalyst is really important for the formation of this drug. Q&A: The bond shifter 2013-10-16T17:21:33.257Z |
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