查询词典 unnotched

Ebonite is one kind of special rubber product with high strength, high modulus, high hardness and fine unnotched impact resistance.

硬质橡胶是一种具有高强度、高硬度、高模量以及良好无缺口抗冲击强度的特种橡胶制品。

This article analyzes high cycle and low cycle fatigue of unnotched steel samples on the basis of theoretical analysis to generalize elastic and plastic fatigue damage and get different rules of evolutionary process under different fatigue damages. Meanwhile, it studies and discusses the calculation of damage evolution and determination of some material constants.

本文在理论分析的基础上，对无缺口钢试件的高周疲劳和低周疲劳进行分析，总结出来了弹性疲劳损伤和塑性疲劳损伤，并得出不同疲劳损伤时的损伤演化规律，同时对损伤演化的算法以及一些材料常数的确定进行了研究和讨论。

Elastic modulus of specimen processed by PPT method and HP method are obtained by adopting three-point bend test and tensile test of unnotched specimen respectively.

采用无缺口试件的三点弯曲试验，得出PPT法制备的试件的弹性模量；通过柔度变化率曲线上的第一转折点得出基体的破坏应变，并由此得到基体的强度。

In the rest of this chapter, a series of tensile tests were carried out at room and low (77K) temperatures for a variety of composite specimens which included unnotched and notched, as well as unidirectional or with a number of stacking sequences.

在本章其余部分，对各种复合材料试样（包括无缺口，有缺口，单向或各种铺层）进行了室温和低温（77K）下的拉伸试验研究。

For comparison, the unnotched laminate coupons are also tested. Although both notched and unnotched coupons fail in the mode of buckling, there are still some apparent differences in the features of the failure process.

作为比较，对无缺口层压板也进行了压缩试验，尽管2种层压板试样随载荷增加到一定值时都会发生屈曲，但它们的破坏过程仍有着显著的差别。

The impact strength for unnotched sample was evaluated following ASTM D 4812-99 [19] standard using a Tinius Olsen model 92T Impact Tester.

冲击力量为 unnotched 样品被评估接着的美国材料试验学会 D 4812-99 标准的使用一个 Tinius Olsen 模型 92 T 冲击考试人。

Izod impact strength, notched, 23℃/ unnotched -18℃ ASTM D256 kg-cm/cm 11/96

艾氏冲击强度，切口23℃/无切口–18

Tension-tension fatigue experiment was carried out at three different stress-level, the fatigue life and the S-N curve of the unnotched laminates were acquired.

进行了三种不同应力水平下的拉-拉疲劳试验，得到无孔试件的疲劳寿命及其S-N曲线；通过研究复合材料疲劳寿命预测的方法，建立了该无孔层合板剩余刚度疲劳累积损伤寿命预测模型。

It has been warranted through experiments and practical application that rare-earths-high-aluminium heat-resistant nodular iron has some intrinsic properties which are worthy of reconimandation, namely,that it will not scale after long periods of use at 1050-1100℃, will hardly break while being hammered into castings, runners or risers as the high-temperature tensile strength reaches 14-19 kg/mm2 at 800℃ or≥l3.3kg/mm2 at 900℃, with the room temperature strength close to HT 30-50 and the unnotched impact str...

本文介绍了稀土高铝耐热球墨铸铁的生产实践、化学成分；探讨了稀土作用及其用量和控制；论述了稀土和铝加入方式以及冷却速度对金相组织的影响；并对铸造工艺、铸件缺陷及分析、耐热性能及使用效果作了阐明。试验和使用证明：稀土高铝耐热球墨铸铁在1050～1100℃长时间工作不起氧化皮，热强度800℃时，14～19kg/mm~2，900℃时≥13.3kg/mm~2，室温强度近于HT30—54，a_k≈2～6kg·M/cm~2，锤击铸件或浇冒口，很难碎裂，并能机械加工。可以认为是以我国富产资源为原料，能用各种炉子熔炼、耐热和综合机械性能均较高硅、中硅中铝球铁、高铝片墨铸铁为高的一种耐热铸铁，也是镍铬系耐热材料较好的替代品。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。