An official of the island's Bureau of Minerals andPetroleum has specified that any companies extracting hydrocarbons in the neighbourhood must also develop and use carbon-storage technology.
The olefins, such as ethylene and propylene, are formed from petroleum gas or from cracking of larger hydrocarbons. Ethylene is used to make polyethylene e.g.
烯烃主要是来自石油气或大分子的碳氢化合物裂解,如乙烯,丙烯。
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Various theories and suppositions have been proposed about the origin of petroleumhydrocarbons. It is really a hot topic .