emission造句
1. The emission of gases such as carbon dioxide should be stabilised at their present level.
2. This phenomenon provides the basis for flame emission photometry.
3. Houses are one of the main carbon dioxide emission sources and tree planting is a step towards rectifying that damage.
4. The emission hung dripping over the river like mist and in the forest like ground fog.
5. In the simplest experiment the total emission is monitored as a function of excitation frequency, giving an excitation spectrum.
6. Laws controlling the emission of greenhouse gases are not nearly tight enough.
7. The emission standards were set without regard to the constraints of technological or economic feasibility that had previously influenced policy-making.
8. The emission or absorption of one particle by another corresponds to the dividing or joining together of strings.
9. There was no evidence of more than 2 emission from the shell and no more than 1 from the central source.
10. Others recalled the role that emission spectroscopy without this high time resolution can have in uncovering photodissociation.
11. Global anthropogenic emission of oxides of nitrogen for 1980 were estimated at 75 million tonnes.
12. It is usually caused by the emission of particulates or nitrogen dioxide.
13. Economic incentives or disincentives such as pollutant emission charges or taxes should receive more attention than they had received previously.
14. To apply this strategy to numerous small-scale emission sources such as heating in homes and motor vehicles would be more complex.
15. California outlaws exhaust emissions California is to introduce vehicle emission standards even tougher than the stringent levels already proposed for 1997.
16. These emission standards vary widely, somewhat like those for the different locations in Florida described in Chapter 9.
17. Minerals giving very low intensity emission, such as quartz grains, required many minutes or even hours of exposure with fast films.
18. The Green Party have called for a substantial reduction in the emission of greenhouse gases by the UK.
19. Talks resume next week in Bonn on legally binding emission reduction targets that Washington has rejected.
20. The survey also provided information as to the types of development most likely to be refused planning permission due to anticipated odour emission.
21. Harcourt does not understand why she must hire outside consultants to calculate emission of fumes from a nontoxic lacquer.
22. Such action represents the adoption of aspects of a second air pollution control strategy - namely, the emission standards strategy.
23. The study by the California Air Resources Board attributes the improvement to strict emission controls on motor vehicles and factories.
24. More recently, the use of lasers to excite specific upper state levels has allowed emission spectra to be studied.
25. Those are a necessary complement to last year's directive on emission standards for heavy duty diesel vehicles.
26. This will eliminate virtually all harmful exhaust gases, except for the emission of CO2.
27. She was left holding a jelly baby of shrivelled skin, her fingers glued together, webbed by a sticky emission.
28. They called for high power and torque, low smoke and exhaust emission levels, quiet, and good fuel economy.
29. Light intensity is linearly controlled with constant colour temperature and light emission angle.
30. This meant that the magma that fed the fissures of the second phase was almost completely de-gassed, hence its quiet emission.
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