试验表明，采用合适的冶炼工艺，大型转炉加炉外精炼能够批量生产超低硫低磷钻杆用钢，使钻杆获得高横向冲击韧性。
Test results show that such steel can be mass produced with technology of a large converter plus the secondary refining, which can insure drill pipes for the transverse impact toughness.
试验结果表明小麦在低磷条件下对菌根的依赖性很低，而在高磷条件下生长受到菌根侵染的抑制；
Results indicated that plant growth of wheat responded little to AM at low P application, while it was inhibited at high P application.
砂培试验表明，在低氮、低磷、低钾胁迫下，东塘、东塘西侧地上部干重、生物学产量降低；
The results of sandy culture showed that the dry weight of shoot and yield of biomass of DT and DTXC decreased under low-N, low-P, low-K stress.
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