1) persistence
[英][pə'sɪstəns] [美][pɚ'sɪstəns]
持久性
1.
The classification systems of soil seed banks and seed persistence in soil;
土壤种子库的分类系统和种子在土壤中的持久性
2.
Yield and Persistence of 12 Introduced Varieties of Alfalfa;
12个紫花苜蓿引进品种的产量及持久性评价
3.
Regrowth,fall dormancy and persistence of alfalfa varieties released by Chinese Forage Variety Registration Commission;
紫花苜蓿国家审定品种的产量、再生性、秋眠性及持久性测定分析
2) permanence
[英]['pɜ:mənəns] [美]['pɝmənəns]
持久性
1.
The permanence of complicated ecosystems with impulsive;
复杂脉冲生态系统的持久性
2.
The permanence of a nonautonomous nonlinear food-chain predator-prey system;
非自治非线性的食物链模型的一致持久性
3.
Permanence for a Three-species Predator-prey Delayed Systems with Michaelis-Menten Type Functional Response;
具有Michaelis-Menten类型功能反应的3种群捕食者-食饵时滞系统的持久性
3) durability
[英][,djurə'biliti] [美][,djʊrə'bɪlətɪ]
持久性
1.
The validity and durability of chemicals in Daqin.
分析 了大庆油田ＡＳＰ复合驱常用驱油剂（表面活性剂ＯＲＳ－４１和碱ＮａＯＨ）在孔隙输运过程中的有效性和持久性。
2.
The durability of non-linear power load is researched and short-term load forecasting is performed in durability span by fractal interpolation algorithm.
讨论了非线性电力负荷持久性问题,并在持久性区间利用分形插值算法进行了短期负荷预测。
3.
The article studied the asymptotic property of a class of non-autonomous predator-prey system,obtained the durability of the system under the suitable conditions,the existence,the uniqueness and the global asymptotic stability of positive periodic solution corresponding periodic system.
文中研究了一类非自治的捕食-食饵系统的渐近性质,得到了在适当条件下该系统的持久性,对应周期系统正周期解的存在性、唯一性以及全局渐近稳定性。
4) stress rupture property
持久性能
1.
Transformation mechanism of carbides and their effect on the stress rupture property were investigated in a Ni-base single crystal superalloy with microcontent of carbon.
015%)碳的镍基单晶高温合金在热处理和持久过程中的碳化物演化机制以及各种碳化物对合金持久性能的影响。
2.
The results show that no recrystallization occurs at 1050℃ but coarse γ′ phases precipitate and stress rupture property decreases.
对标准热处理后的第一代单晶高温合金DD3吹砂,然后采用不同温度进行热处理,研究了吹砂后热处理温度对合金1000℃/195 MPa持久性能的影响。
3.
Results showed that holding for such short time,there were a lot of blocky γ′phases in the bonding seam with D1P interlayer alloy,causing a lower stress rupture property of about 60% of.
对上述规范下获得的DD3接头组织和性能进行了研究分析,结果表明,扩散时间短,D1P中间层合金扩散焊接头组织很不均匀,在中间层合金流入处生成大量光板γ′相,对接头持久性能不利,1250℃下扩散4h接头的980℃持久性能为母材性能的60%;而D1F中间层合金扩散焊接头组织均匀一致,1250℃下扩散4h接头980℃持久性能超过母材性能的70%。
5) stress rupture
持久性能
1.
The effects of different heat-treatment on microstructure and stress rupture of MX246A have been studied in the present investigation.
研究了不同热处理制度对MX246A合金显微组织和持久性能的影响。
2.
It shows that this method can successfully predict the stress rupture of test alloy.
在Monkman-Grant方程的基础上计算了试验合金的Larson-Miller曲线,对预测的结果与试验结果进行了比较,计算曲线与实测曲线有较好的吻合,证明该方法能够准确地预测试验合金的持久性能。
3.
The influence of microstructure after long time aging at high temperature on the stress rupture at 1010℃/248MPa was investigated.
研究了高温长期时效对一种镍基单晶合金组织和在1010℃/248MPa条件下的持久性能的影响。
6) stress rupture properties
持久性能
1.
The microstructures and stress rupture properties of the second generation single crystal superalloy DD6 with [001] orientation were investigated after the full heat treatments were performed and aged at 980 ℃ for 100, 200, 300, 400, 600, 800 and 1000 h, respectively.
选用980℃时效温度、分别对[001]取向标准热处理后的第2代单晶高温合金DD6进行100,200,300,400,600,800及1000h的长期时效,研究了合金的显微组织与持久性能。
2.
The effects of low angle grain boundaries(LABs) on the stress rupture properties of second generation single crystal superalloy DD6 were investigated at 800℃,850℃ and 900℃.
在800℃,850℃和900℃的温度条件下,研究小角度晶界对第二代单晶高温合金DD6持久性能的影响。
3.
The effects of heat treatment on the microstructures and stress rupture properties for the single crystal Ni-base superalloy have been investigated.
研究了不同热处理工艺对一种镍基单晶高温合金的组织和持久性能的影响。
补充资料：持久性毒剂
分子式：
CAS号：
性质：毒害作用持续时间为几小时，甚至数天以上的毒剂。通常为沸点高、不易挥发的液态毒剂。主要呈液滴状态，用于地面染毒。如芥子气、维埃克斯。
CAS号：
性质：毒害作用持续时间为几小时，甚至数天以上的毒剂。通常为沸点高、不易挥发的液态毒剂。主要呈液滴状态，用于地面染毒。如芥子气、维埃克斯。
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