The synthesis of silicon carbide whiskers by double-heating method using carbon black and SiO_2 powder as raw materials is studied.

以炭黑和二氧化硅微粉为原料，对双重加热法合成碳化硅晶须进行了研究。

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That holds double for the landlord or developer, who won't actually see a penny of the savings his investment in better insulation or a better heating system might generate.

这对房东或开发商来说是双倍的好处，因为他们实际上会看到，自己在更好的隔热或更好的供暖系统上的投资不会节省一分钱。

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Similarly, Double glazing was employed throughout, reducing the need for active cooling & heating.

同样，其采用双层玻璃，减少了主动冷却和加热的必要性。

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The cottages are equipped with phones, high-definition TV, central heating and double-paned windows to keep out raging storms.

FORBES: Bed & Beacon

For a major overhaul, consider installing photovoltaic cells on your roof, hydronic radiant heating in your floors, double-glazed panes in your windows and low-flow toilets in your bathroom.

FORBES: Julia Cosgrove