The neurological defect scores in patients with acute cerebral thrombosis were positively correlated with plasma and cerebrospinal fluid concentrations oft-PA and PAI-1 antigen.
脑血栓形成组病人神经功能缺损评分与血浆及脑脊液t -PA、PAI -1抗原含量呈正相关。
Plasma produced in laser welding process has shielding effect to the laser beam and decreases the melting depth on even result in the defect.
激光焊接过程中产生的等离子体对激光束有屏蔽作用，降低了焊接熔深，甚至出现缺陷。
Comparing with the plasma spurt welding layers, the laser cladding layers had lower defect rate and higher product rate.
得到的熔层与等离子焊层对比，激光熔层缺陷率低，成品率高。
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