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The method for the physicochemical phase analysis of a directionally solidified Ni-based cast superalloy was studied.

系统研究了一种定向凝固镍基铸造高温合金的物理化学相分析方法。

Low cycle fatigue tests of a directionally solidified nickel base superalloy were conducted at elevated temperatures.

本文研究了一种定向凝固镍基高温合金的高温低周疲劳行为。

The Zn/Ni primary batteries were produced at last, and their dischargeable performances were detected.

最后,试制了锌镍一次电池,并对电池的性能进行了检测。

Solution synthesis and growth mechanism of symmetrical six-horn nickel diselenide nanostars.

4对称六角二硒化镍纳米星的液相合成及生长机理。

Symmetrical six-horn nickel diselenide nanostars were firstly synthesized with selenium powder as precursor but without any external reducing agents. Each nanostar consisted of a central core and six symmetrical nanohorns.

以硒粉为硒源,在无外加还原剂的条件下首次合成了六角星状二硒化镍纳米晶,每个纳米星具有一个中心核和六个对称纳米角。

The results showed that the elongated fibriform microstructure of Ti-Ni based alloys was obtained when the first preheating temperature was 850℃and the second was 750℃. After annealing at 400~600℃, the fibriform microstructure of the alloys was restored and refined microstructure was obtained.

结果表明:钛镍基合金经过850℃第一道次挤压和750℃第二道次挤压后,形成了细长的纤维状组织;经400~600℃退火处理后,其纤维状组织得到回复,形成细小组织。

Methods:Retrospective analysis of 32 cases which rib fractures were treated with Ti-Ni shape memory alloy embracing fixator.

回顾性分析32例镍钛合金环抱器治疗多处肋骨骨折的临床资料。

We have tested several terrestrial samples, such as Mo, Ti, Ni, ilmenite, titanite, rutile, pyrite, forsterite and melilite. We have also attempted to analyze our first meteorite sample.

我们已经测试了许多地球标本,包含了钼、钛、镍与钛铁矿、楔石、金红石、黄铁矿、镁橄榄石和方柱石,同时也尝试了我们第一个陨石的标本。

It is found that conversion of furfuryl alcohol was higher than 99%,and THFA yield and selectivity achieved or were close to 97%by using catalyst Ⅱ with a small quantity of promoters.

对于含少量助剂的镍催化剂Ⅱ,在393 K、4.0 MPa和空速0.25 h\+\{-1\}时,糠醇转化率可达99%以上,四氢糠醇收率和选择性都达到或接近97%。

A new method employing furoic acid and the n-butanol to synthesize the furoic acid-n-butyrate flavor has been reported in this paper.

以糠酸和正丁醇为原料,改性钼镍粉作催化剂取代以往常用的硫酸作催化剂,合成糠酸正丁酯香料。

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