Using a gold catalyst, the team successfully synthesized semiconducting ZnS nanowires in bulk quantities using a simple and cheap process.

通过使用一种金催化剂，该研究小组利用一个简单和廉价的过程成功地合成了大量半导体硫化锌纳米线。

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Buying in bulk is more economical than shopping for small quantities.

大批采购比少量购买更经济实惠。

《柯林斯英汉双解大词典》

Bulk transfers: These are data packets in relatively large quantities.

批量传输：这些是数量相对大的数据包。

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Given recent events, it would appear likely that Avastin, which is typically made in bulk quantities, would be included on such a list and more states will adopt the same policy, especially after the FDA and state health and pharmacy officials hold a scheduled meeting on December 19 to discuss compounding.

FORBES: How The Compounding Scandal Benefits One Drugmaker

Such efforts notwithstanding, Josef Schmidhuber, an agronomist at the Organisation for Economic Co-operation and Development, argues that Brazil's competitive advantage lies in churning out huge quantities of low-cost bulk commodities.

ECONOMIST: Brazil

It is much easier for big western companies to deal with large agri-businesses, to which they can sell fertilisers and equipment in bulk, and from which they can buy vast quantities of grain, sugar beet and sunflower seed.

ECONOMIST: Ukraine��s farms: Unreformed | The