2) resistance capacity of spring frost
抗晚霜能力
1.
Using fifteen winter wheat cultivars which have different maturity and different resistance capacity of spring frost,two cultivation methods were studied.
利用熟性不同抗晚霜能力不同的15个冬小麦品种,采用塑料大棚(返青后)和露地两种栽培方式,在2006年两次自然晚霜冻条件下,分别调查、镜检叶片和幼穗的受冻状况,并同步测定冻前冻后叶片汁液可溶性固形物浓度。
3) freezing-thawing resistance
抗冻融能力
4) freezing tolerance
抗冷冻能力
5) frost resistance
抗霜力
1.
Utilizing the movable artificial frost chamber,simulation experiment of frost damage was carried out to find how frost resistance of young ears(FRYE)variate with the differentiation phases proceeding.
利用移动式人工霜箱,进行了模拟霜冻害的实验,研究分析了冬小麦拔节期幼穗抗霜力随幼穗分化进程的变化。
6) Frost resistance
抗冻性能
1.
In this paper,the frost resistance of recycled concrete with antifreeze and the effect on the quality when it was maintained in sub-zero temperature were discussed.
旨在研究掺有防冻剂的再生混凝土的抗冻性能,即负温养护对掺有YJ-4型防冻剂的再生混凝土质量的影响,质量用抗压强度表示。
2.
The result is that between 5%~10%,the effect of rice hull powder on early compressive strength and early rupture strength of concrete is little and later is obvious;the rice hull powder can improve the frost resistance and impermeability of C30 concrete,8% is especially obvious.
为分析稻壳粉对C30混凝土性能的影响,通过改变掺入稻壳粉的掺量测定了标准养护条件下C30混凝土的抗压强度、抗折强度、抗冻性能及抗渗性能。
3.
Through the frost resistance test on the fly ash added with different solidifying ag.
对粉煤灰加入固化剂进行试验研究,分析了不同配比、龄期、养护温度以及掺入水泥对固化粉煤灰的无侧限抗压强度的影响;分析了不同配比、龄期对固化粉煤灰的抗剪强度的影响;通过对不同配比的固化粉煤灰进行抗冻试验,研究了固化粉煤灰的抗冻性能。
补充资料：继电保护设备抗干扰能力
继电保护设备抗干扰能力
interference withstand capability of protec-tive relays and relay systems
J一d一on boohu shebel kangganrao neng(-越电保护设t抗千扰能力(interfereneewithstand ea邵bility of proteetiverelay systems)relays and见变电所二次回路干扰。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条