查询词典 precipitates

The rapid coarsing of precipitates at powder surface through surface diffusion and its application in the improvement of the fracture properties of hipped Rene'95 will be not only important in theory, but also in practice.

粉末表面析出物通过表面扩散快速粗化，以及利用这种粗化改善粉末压坯的断裂性能的发现有很大的实用价值，为利用预处理方法解决Rene′95粉末高温合金中的原始颗粒边界问题，生产低成本高性能的粉末材料奠定了理论基础。

The comparison of composition and precipitates between PHT powder surface and PPB of hipped material, and also the fracture analyses of directly hipped material have shown that the PHT of powder modifies the PPB behavior.

本文通过对预处理表面和热等静压界面成分、析出相结构的对比分析及热等静压压坯的断裂分析，发现了预处理改善原始颗粒边界析出的机理。

After the alloy being HIPped and annealed, themicrostructure of Ti-45Al-7Nb-0·15B-0·4W alloy is primaryγphase and lamella, and the needle-like and granularβphase precipitates.

经过热等静压和均匀化处理后Ti-45Al-7Nb-0·15B-0·4W合金的基本形貌为初生γ相+层片状晶团，有β相析出，其形貌为针状、点状、颗粒状。

The method of water distill and the alcohol precipitates was adopted to withdraw the ointments from the Hirudo ,the microcrystaline cellulose being used in manufacturing Naoxuekang dispersible tablets,and review three batch samplet.

方法采用水提醇沉方法从水蛭中提取浸膏，以微晶纤维素作为主要辅料制备脑血康分散片，并对三批中试放大试验样品进行考察。

The results show that with the finishing temperature at 950 ℃, as the cooling rate increases, interlamellar spacings of pearlite is reduced; as cooling rate reaches 5℃/s, martensite precipitates.

结果表明，随着冷却速度的加快，高碳钢SWRH77B在950℃变形时，其珠光体的片层间距变细；冷却速度达到5℃/s时，有马氏体组织析出。

If the protein precipitates before it can be applied to the membrane, for instance, the entire system will become highly unstable and almost totally irreproducible.

例如，若蛋白在用到膜上之前就发生沉淀，那么整个试剂系统就高度不稳定且几乎完全不可再生，可用来吸附到膜上的溶解蛋白的量就因此急剧下降。

Mn-rich precipitates were obtained when the alloy was isochronally aged at the temperature range of

该合金在573~973 K温度区间进行等时时效处理时，有富锰第二相颗粒析出。

At the same time, there was remarkable difference in the calcium distribution on the wall of micropylar canal between self-pollinated and cross-pollinated ovules: abundant calcium precipitates were found on the wall of self-pollinated ovules, whereas none on cross-pollinated pollen.

同时，自交和异交授粉胚珠珠孔道壁钙信号表达也存在很大差异，自交授粉胚珠珠孔道壁有大量钙颗粒密集，而异交授粉胚珠珠孔道壁无钙沉淀积累。

The method is characterized in that:(1) the reflux of the 2-[N, N- 2amino]-3-cyano-group-4-thiopheneacetic-5-carboxylic acid tetra ester is carried out in the proper sodium hydroxide aqueous solution of alcohol for 5h to 6h and the pH value is kept over 10 during hydrolysis;(2) the ethanol of 20 per cent to 60 per cent is added and then the strontium chloride aqueous solution with 2times to 2.5times molal weight is directly added, precipitates the crystal, is filtered and dried;(3) water is added to carry out the reflux and the little salt packed in the crude product is removed, and the product is collected through heat filtration.

其特征在于：①将2--3-氰基-4-羧甲基噻吩-5-羧酸四酯在适量氢氧化钠水醇溶液中回流5～6小时，水解过程保持pH值10以上；②然后再加入20-60％乙醇，随后直接加入2-2.5倍摩尔量氯化锶水溶液，析出结晶，过滤，晾干；③加水回流，除去粗品中包裹少量盐，热过滤，收集产品。

The results show that at scanning velocity higher than 2 mm/s, peritectic T1 phase directly precipitates from the liquid instead of by peritectic reaction.

结果表明：当扫描速度大于2mm/s时，包晶反应(γ+L→T1)被抑制，包晶T1相可直接从液相中析出(L→T1)。

The big eared hedgehog, the little owl, the sand gecko, the three-toed jerboa, and every show needs a villain - saw-scale - the viper!

大耳刺猬，小猫头鹰，沙壁虎，三趾跳鼠，每场戏都需要反派角色：蝰蛇。

Plasmodiophora brassicae ; resting spores ; density gradient centrifugation of sucrose ; ultrasonic disruption

根肿；休眠孢子；蔗糖密度梯度离心；超声波破碎