2、

10 bacterial isolates were isolated from paddy soil and vegetable-growing field with nitrogen-free Ashby medium. They have been confirmed to have nitrogenase activities and identified to be the nitrogen-fixing bacteria by means of gas chromatography test.

用阿什比无氮培养基从水稻土、菜园土中筛选出10株菌,经气相色谱测定,选出的菌株具有固氮酶活性,初步鉴定为固氮菌;

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3、

Sorbitol was used as a test sugar for the determination of small intesinal transit time ( SITT) by means of breath hydrogen test ( BHT).

本文选用山梨醇作为试验糖,通过呼气氢试验测定小肠传递时间。

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4、

The fracture damage behavior of WPC composite under the mutual action of fatigue and creep was studied by means of alternating load test.

利用交变载荷的试验方法,研究了在疲劳/蠕变交互作用下塑木复合材料的断裂损伤行为。

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