Eight substituted ureas herbicides were synthesized with bis(trichloromethyl) carbonate(BTC). The production structures were identified by elemental analysis and IR.

用二（三氯甲基）碳酸酯（BTC）代替光气，“一锅法”合成了8种取代脲类除草剂，产物结构经元素分析、IR确证。

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Some of the cubic structures would also be specifically designed for food production and water storage.

一些立方结构也能被特别设计成用来生产食物或是储水的装置。

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A set of command line tools that do the dirty work of setting up directory structures and creating initial production and test code.

一组命令行工具，用于进行设置目录结构和创建初始生产及测试代码的修改工作。

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This division is responsible for the production of tubular steel and long steel structures.

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The research team is currently investigating a laser lift-off technology to facilitate the mass production of flexible LIBs and 3D stacking structures to enhance charge density of batteries.

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The drill ships and production platforms required to undertake such deep drilling are massive floating structures, much larger than the largest aircraft carriers and costing well over a half billion dollars (and close to a million dollars a day to rent).

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