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Naphthenic acid corrosion rates were directly related to experimental temperature and total acid number.

采用失重法和表面分析研究了碳钢和不锈钢在高温环烷酸油介质中的腐蚀行为规律。

The rates of oxidation loss of graphite electrodes with and without boride impregnation were compared through testing in a simulating furnace.

采用硼化物溶液浸渍石墨电极,测试不同浸渍量的试样在模拟炉中氧化失重率、物理性能及表面形态。

This intensive daily program included oxygen enrichment, crawling, creeping, running, brachiation, a gravity free environment, laterality activities, an intellectual program, and excellent nutrition.

这套计划包括富氧环境、慢爬、爬行、跑、上肢训练、失重环境、单侧刺激、智力训练以及非常好的营养辅助。

The results showed that there are higher grey ralational grade and canonical correlation coefficient between the grey distribution of metallic samples and uniform corrosion lost-weight, localized corrosion depth.

使用灰色关联及典型相关技术分析了试片扫描灰度值与实海平均腐蚀失重、局部腐蚀深度的关系。

TG curve of cured PWF were same with that of cured PF during the range of 30 to 291℃.Both were thermal stable and had no weight loss before 200℃and they began to loss weightwith increasing temperature. The temperatures of thermal decomposability of cured PWF andPF were 291℃and 296℃, respectively.

8液化木基树脂和纯酚醛树脂的热重曲线在30~291℃完全相同,两者在200℃以前几乎没有发生失重现象,比较稳定,当温度超过200℃后,两者皆有轻微的失重,液化木基树脂的热降解温度约291℃,纯酚醛树脂的热降解温度约296℃。

This invention discloses a preparation method for anti-corrosion rare earth magnet material characterizing that it takes the optimized grain-boundary phase design as the starting point on the basis of a dual alloy method to select Nd base alloy with high crystal forming ability as the assist alloy and reduces the temperature of the press mold blank in a quartz container to room temperature from over grain-boundary phase melting point with the water extraction way to get enough cooling rate and guarantee the non-grain-boundary phase, compared with the material of the same composition prepared by ordinary method, the weightlessness of this invented material reduces over 30% after testing the weightlessness of the material by laying it for 96 hours under 121deg.C, 2 atmosphere and 100% humid environment to show the advanced performance of anti-corrosion.

本发明公开了一种耐腐蚀稀土永磁材料的制备方法,其特征是它在双合金法制备工艺的基础上,以优化晶界相设计为出发点,选取具有较高非晶形成能力的Nd基合金为辅合金,并在烧结回火时将置于耐高温石英容器中的压型坯件,从晶界相熔点以上以水淬冷却的方式降温至室温,以达到足够的冷却速率,确保得到非晶晶界相,根据本发明制得的耐腐蚀稀土永磁材料,通过测量在121℃、2个大气压以及100%湿度环境下放置96小时后材料的失重情况,结果显示本发明得到的材料与常规方法制备的相同成分的稀土永磁材料相比失重减少了30%以上,充分证明其具备了更优越的耐腐蚀性能。可广泛应用于电子、汽车、计算机、电力、机械、能源、环保、国防、医疗器械等领域。

TG-DSC results revealed that the decomposition of magnetic CoAl HTLcs proceeded in two stages. The first large endothermic effect below 220℃involves the loss of physically absorbed and interlayer water and the second endothermal effect, between 220℃and 402℃, corresponds to the decomposition of the hydroxide layers and the removal of anions in the brucite-like layers. The S_ and pore diameter information of magnetic CoAl HTLcs were tested by N_2 adsorption-desorption analysis.

TG-DSC结果表明磁性CoAl水滑石有两个过程,在220℃以下的第一个失重过程是由于物理吸附水的移除造成的,在220℃至402℃之间的主要失重过程是由于材料脱除结构水,碳酸根离子和部分羟基造成,并伴随着层板结构的塌陷。N_2 adsorption-desorption测试分析了磁性钴铝水滑石的比表面积、孔径等信息。

Results ①After 14 days of tail suspension, the ratio of wet weight of soleus muscle ...

结果 ①模拟失重14d后,比目鱼肌发生明显的萎缩,比目鱼肌湿重体重比由吊尾前的 38.8(mg·10 0 g- 1 )降低到 2 3.1,而吊尾加CLFS 14d后比目鱼肌湿重体重比仅下降到 32 。5 ,表明CLFS可有效的防止模拟失重所造成的肌萎缩。

The difference between temperature range of pyrolysis, peak temperature, weight loss rate of coal and waste plastics and the amount of metaplast of coal influence the synergism between coal and waste palstics significantly.

共热解中废塑料与煤的协同作用受煤与废塑料二者之间的热解温区、失重峰温、失重速率的重叠程度及煤所形成的胶质体数量的影响。

The oxidation rate is quick with the hoist of the temperature and the weight loss increased with the time pronging at certain temperature.

气种试样的氧化失重对比实验表明,无涂层的石墨阳极试样氧化失重严重,随着温度的升高,氧化速度加快,在确定温度下随着时间的延长,氧化损失不断增加。

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