N release pattern from livestock waste compost and compost pellet was studied with incubation method in lab. and buried glass filter paper method in the field.

本文采用室内培养法和田间埋设玻璃滤纸包法研究了粉状畜禽粪便堆肥和颗粒堆肥的养分释放。

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The method that using n-hexane as an extractant had a little injure to lab assistant, as compared with CCl_4 used by GB/T16488-1996 method.

使用正己烷作为萃取和测试溶剂，同国标方法（GB/T16488-1996）所用的四氯化碳相比可减少对测试人员的伤害。

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Two hundred GM scientists and engineers are working on all four problems at once at the company's fuel-cell headquarters, a lab next to a livestock feed store in tiny Honeoye Falls, N.

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The Department of Homeland Security would build the lab at Kansas State University to replace a facility at Plum Island, N.

WSJ: Obama proposes $714M for Kansas biodefense project