secondary resistance

SBR has such characteristics as great shock-load resistance, flexible operational cycle, highly auto-control, secondary sedimentation tank exception and sludge bulking restraint.

SBR抗冲击负荷能力较强，运行周期可灵活调整，自控程度高，无需另设二沉池，并可有效抑制污泥膨胀。

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Pathogens and Their Resistance in Infective Endocarditis Patients The blindness was secondary to embolic infarction of both occipital lobes developing as a sequela of IE.

感染性心内膜炎患者血培养病原菌及其耐药性分析眼盲次发于两侧脑枕叶血栓性梗塞，为感染性心内膜炎的并发症。

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Therefore, the materials for SG heat exchange tubes must meet stringent technical requirements, among which resistance to the corrosion in primary and secondary coolant corrosion is of the greatest concern.

因此，SG传热管用材必须满足苛刻的技术要求，其中最关键的是要满足在PWR运行温度范围内具有良好的抗一、二回路水介质腐蚀的能力。

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They all resisted the third infection. As BALB/ c mice treated at different time the rate of infection and the level of parasitemia in the secondary infection and their resistance to the third infection were alike with those of DBA/ 2 mice.

除非治疗组BALB/c小鼠于初次感染早期死亡外，不同时间治疗组的BALB/c小鼠再次感染的感染率与虫体血症水平、第三次感染情况与各组DBA/2小鼠也无差异。

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Substances conveying plant resistance to insects include inorganics, primary and intermediary metabolites and secondary substances.

给予植物抗虫性的物质包括无机物, 初始、中间代谢物和次生物质.

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