人们在黑色的、含沥青的海洋页岩中发现了约19,000年前沉积下来的鱼龙化石。
The ichthyosaur remains are found in black, bituminous Marine shales deposited about 190 million years ago.
大多数科学家都认为:由于为了提供能源和交通运输而大量燃烧化石燃料,造成含碳化合物的大量排放,因此本世纪气温将升高二到六度。
Most scientists agree that temperatures will rise by between two and six degrees Celsius this century due mainly to carbon emissions from burning fossil fuels for power and transport.
通过对济宁唐阳井煤田晚古生代含煤岩系中的孢粉化石的研究,共鉴定出孢粉化石71属177种。
Based on the study of sporopollen fossils from the coal-bearing formation of the late Palaeozoic Era in Tangyang mine field of Jining, 71 genera and 177 species of sporopollen are identified.
二苯并噻吩(DBT)是化石燃料中主要的含硫有机杂环化合物。
Dibenthiophene (DBT) a compound having organic sulfur is found in fossil fuel.
只有改变能源的结构组成,充分利用天然气资源、液化石油气、水电资源,减少含s煤的使用,才能消除酸雨对万州区的污染。
Only the change of energy structure, the good use of natural gas liquidized gas and water power and the reduction of coal with the content of s can we prevent acid rain pollution in Wanzhou District.
氯化石蜡产品质量指标较多,各企业主要控制的是色泽、含氯量及加热减量。
Quality norms of paraffin product are much, main norms controlled are color, chlorine-content, heating decrease volume in many plants.
采用一种催化剂,用空气对汽油和液化石油气脱硫精制产生的含硫碱渣进行氧化脱硫处理。
A catalyst was applied in the oxidation process to remove sulfides from sulfur-containing caustic sludge produced in gasoline and LPG desulfurization operations.
云南禄劝中泥盆世海口组为以碎屑岩为主的滨海相含煤沉积,地层中产有丰富的鱼类、植物和双壳类化石;
The Haikou Formation of Middle Devonian in Luquan contains coal bearing sediments (predominantly clastic rocks)which are of littoral origin and yield abundant fishes, fossil plants and pelecypods.
在整个地质年代中,浮游生物随地质时代的变化用于估计含己成为化石的浮游生物残体的岩石的相对年代很有用。
The changes in plankton over time are useful for estimation of relative ages of rocks that contain the fossilized remains of plankton.
目前科学估算的天然气水合物含甲烷资源占全球化石燃料(煤、石油、天然气)甲烷总资源的53%。
The scientifically estimated methane resources in gas hydrate account for 53 percent of the total methane resources in all fossil fuels (coal, oil and natural gas) in the world at present.
本文重点论述了辽西大平房—梅勒营子盆地九佛堂组含珍稀化石的地层划分与对比。
This paper mainly describes division and correlation of unique fossil-bearing horizons of the Jiufotang Formation in DapingfangMeileyingzi Basin.
多米尼加不仅是琥珀的主要产地之一,而且是琥珀含生物化石种类最多的产地之一。
Dominican Republic is one of the main localities of ambers which contain the most inclusions of fossil organism.
藏南定日地区在白垩纪中期发育一套浅灰色深灰色的以钙质页岩、泥灰岩及微晶灰岩为主的浅海陆棚相沉积,岩石中除含较高的粘土矿物及陆源石英矿物颗粒以外,还含有十分丰富的有孔虫化石。
The Middle Cretaceous shallow sea sediments, represented by a series of light dark gray marine clastic and carbonate rocks, were well exposed along the Gongzha Section in Tingri, southern Tibet.
低含丙烷高含烯烃的液化石油气经精制后,使之能够满足汽车燃用的问题。
After the liquefied petroleum gas with low propane content and high olefin content is refined, the problem of automobile fuel consumption can be solved.
低含丙烷高含烯烃的液化石油气经精制后,使之能够满足汽车燃用的问题。
After the liquefied petroleum gas with low propane content and high olefin content is refined, the problem of automobile fuel consumption can be solved.
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