人们认为大多数使地球升温的温室气体源于燃烧化石燃料,而农业在减轻这些气体的排放方面可以起重要作用。
Most of the greenhouse gases believed to be warming the planet come from the burning of fossil fuels, but agriculture can play an important role in mitigating those emissions.
月球引起了每个白天的潮汐,同时也给自己带来了副作用——它正沿着螺旋状轨迹慢慢的远离地球。这个可以用岩石和化石上的线索加以证明的现象,昭示了这颗卫星最初和最终的命运。
The moon is slowly spiraling away from Earth as it drives day-stretching tides, a phenomenon recorded in rocks and fossils that provides clues to the satellite's origin and ultimate fate.
这些“社会的活化石”,对于认识和研究舟船的产生,有重要的借鉴作用。
These "social living fossils" are very conducive to the understanding and researching into this generation of boats.
介绍了液化石油气储罐在火灾作用下的热响应变化规律。
Thermal response variation rules of LPG storage tank exposed to fire are expounded.
这是个关于光合作用、森林、耕作以及化石燃料的熟识的故事。
It is a familiar tale of photosynthesis, forests, farming and fossils fuels.
现代针叶树气孔器的研究为鉴定化石气孔器奠定了基础,对第四纪植被变化和古气候的研究起着很重要的作用,是第四纪孢粉学的一个重要补充。
The study on the morphology of stomata of conifers is the foundation of identifying fossil stomata that is important for the study of the change of vegetation and climate.
大多数氮在大气中并不像化石燃料释放的二氧化碳一样,几天就沉淀析出。 氨气--氮和氧的化合物-遇水变成氨基,随雨水落在地上起化肥作用。
Most nitrogen doesn't stay in the atmosphere the way carbon dioxide from fossil fuel does, but precipitates out within a few days.
硼具有催化石墨化作用。
大多数的琥珀化石内含一只或多只昆虫,但是没有直接的证据证明它们之间存在着直接的相互作用。
Most amber fossils consist of individual insects or several insects together, but without unequivocal demonstrable evidence of direct interaction.
化石记录对发现缺失环节有何作用?
What do the fossil records work in finding the missing links?
液化石油气储罐在火灾作用下,其内部的温度和压力迅速上升,从而会引起储罐爆炸,进而酿成危害性更大的二次灾害。
When LPG tanks are exposed to external fire, their temperature and pressure will increase rapidly, which may cause the tanks exploding and lead the secondary hazard with much more damage.
研究了液化石油气储罐在火灾作用下的热分层现象和规律,并分析了热分层对储罐响应的影响,提出了储罐安全设计的原则和建议。
The liquid temperature stratification and its effect on the response process of LPG tank are studied, and the proposal for safety design is given.
SOFC在提高传统化石类能源的利用效率、降低污染气体排放方面将发挥着重要作用。
SOFC is identified as an advanced power generation technology, playing an important role in improving the fossil fuel utilization efficiency and reducing the emissions in the future.
绝大部分重油和油砂都是由生物降解作用所形成,准确预测生物降解作用程度,能大大降低勘探风险并优化石油开发。
Most heavy oil and oil sands are formed by biodegradation. Accurate prediction on the degree of biodegradation can reduce the exploration risk and optimize the production.
具有排石率高而快,无毒副作用,能化石等优点。适用于胆囊、胆总管结石症。
The advantages are quick and high rate for expelling lithiasis, toxic less, without side effect capable of dissolving lithiasis and suitable for lithiasis of the cholecyst and choledocholithiasis.
具有排石率高而快,无毒副作用,能化石等优点。适用于胆囊、胆总管结石症。
The advantages are quick and high rate for expelling lithiasis, toxic less, without side effect capable of dissolving lithiasis and suitable for lithiasis of the cholecyst and choledocholithiasis.
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