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 catalytic [,kætә'litik]   添加此单词到默认生词本
a. 催化的

[医] 催化的


  1. All salts studied except NaCl exhibit perfect catalytic activity.
    1） 所研究的所有盐类，除氯化钠，都有很好的催化作用。
  2. All new petrol cars must be fitted with catalytic converters to control emissions.
    所有新的汽油车辆必须装置催化转换器，以限制废气排放。
  3. Catalytic reaction on an industrial scale is a good example of the uses of scale-up.
    工业规模的催化反应是利用放大的一个好例子。


catalytic
[ adj ]
relating to or causing or involving catalysis
<adj.pert>
catalytic reactions


Catalytic \Cat`a*ly"tic\, a.
Relating to, or causing, catalysis. ``The catalytic power is
ill understood.'' --Ure.

{Catalytic force}, that form of chemical energy formerly
supposed to determine catalysis.


Catalytic \Cat`a*lyt"ic\, n. (Chem.)
An agent employed in catalysis, as platinum black, aluminium
chloride, etc.

  1. Platinum futures prices rose for a second straight day Wednesday amid growing confidence that Ford Motor Co.'s new catalytic converter will not substantially reduce demand for platinum for at least the next several years.
  2. The SMMT claims the reduced levels of carbon monoxide, hydrocarbons and oxides of nitrogen resulting from the use of three-way catalytic converters on petrol engines is achieved more naturally by diesel.
  3. The second is that a modern diesel car's engine can be inherently cleaner than a petrol engine fitted with a catalytic converter to clean up its exhaust emissions. Who says so?
  4. The sixth context, catalytic change through consultants, is an adjunct to the other five. Eccles' second framework is what he calls 14 'factors of change' which are common to the different political contexts.
  5. The Bank has a 'catalytic role'. It tries to ensure that the conditions are right for the financial industry to prosper.
  6. It comes with a choice of four petrol engines of 1.6 or two litres, all with twin camshafts, 16 valves and three-way catalytic converters.
  7. Platinum is used heavily in automobile catalytic converters, as well as in chemical production and oil refining.
  8. It's also brought downside pressure on the other precious metals." Steel said the waves should be felt in Europe, too, where platinum futures were being bought on expectations of increased used of catalytic converters there.
  9. The EPA also suggested increasing research into solar technology so it competes with oil and gas and pushing to get all industrial countries to require catalytic converters similar to those required in U.S. automobiles.
  10. Corning's converter will simply enhance current technology and whatever catalyst is being used now in a catalytic converter will still be used, he said.
  11. Weak auto sales in the U.S. caused the industry's demand for platinum, which is used in catalytic converters, to fall to 690,000 ounces last year from 725,000 ounces in 1989.
  12. It can also handle the country's battered roads and is easy to repair. The 'Fusca', as the Beetle is known in Brazil, has a newly-installed catalytic converter and electronic ignition.
  13. The accident ruptured the refinery's catalytic cracker, which converts crude oil to gasoline, and seriously damaged control rooms and other facilities.
  14. Houston Huckabay, chairman of Tech's chemical engineering department, said he checked a list of 100 refinery fires dating back to 1955 and found none of them involved a catalytic cracker.
  15. "If some West German regions enforce antismog measures preventing cars that don't have catalytic converters from circulating on certain days, people won't buy cars without converters.
  16. We guarantee its hot-blow tip, using catalytic combustion, will heat up to 400 degrees Centigrade within 30 seconds.
  17. Mr Graham Titcombe, executive director, precious metals and catalytic systems, becomes managing director with the same responsibilities.
  18. In turn, those nitrogen compounds can settle into the stratosphere where "if you have any kind of significant build-up, then what you have is the possibility of catalytic destruction of ozone," said Callis.
  19. The EPA said the problem involved deterioration of the vehicles' catalytic converters.
  20. "I think more than any of the European countries we can be catalytic.
  21. Over the past 20 years, voters spent billions to pay for catalytic converters, smokestack retrofits and other effective environmental technologies.
  22. Under the new law, manufacturers must give a warranty of eight years or 80,000 miles beginning with 1995 model cars for three major emission control components - catalytic converters, onboard diagnostic devices and electronic control systems.
  23. When Altman discovered in 1978 that RNA could produce catalytic reactions in the cell, the discovery was met with disbelief and "he could hardly believe it himself," Andersson said.
  24. Johnson Matthey recently estimated that 225,000 ounces of platinum went into catalytic converter use in Western Europe in 1987, up from 120,000 ounces in 1986.
  25. The Lake Charles accident occurred when a catalytic cracking unit was being brought back on line after a seven-week maintenance closure, OSHA said.
  26. New European Community emission standards taking effect in 1991 will boost demand for fuel injection systems, catalytic converters and other emission control, McCabe said.
  27. The company will replace the cars' catalytic converters with new ones that will result in lower carbon monoxide emissions.
  28. Switching to cleaner fuels could help get around problems with catalytic converters.
  29. John McBride, the Valley Ice Arena general manager, said large fans were set up Saturday to circulate air at the rink and the ice grooming machine was fitted with a catalytic converter to reduce its emissions.
  30. The letter said Baugh "played a catalytic role" in the success of public housing during his seven years at HUD.
catalytic
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catalytic desulfurhyd...
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catalytic dewaxing
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catalytic efficiency ...
catalytic esterification
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catalytic exhaust pur...
catalytic filter
catalytic fluorimetry
catalytic force
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