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- The activation energy of high purity aluminum in 99.999%(w) Al is studied systematically by using a low frequency inverted torsion pendulum. 用倒摆内耗仪对纯度为99．999%25高纯铝试样竹节峰的激活能进行了系统的研究。
- Lampshade is in extrusion forming with high purity aluminum. 灯罩采用高纯度铝材挤压成型,反光效率高,不会脱色;
- The effect of parameter Z (Zener-Hollomom parameter) on the restoration mechanisms of high purity aluminum was investigated. 采用真应力真应变曲线以及偏光金相和透射电镜研究高纯铝高温塑性变形特征,研究了形变条件对高纯铝动态软化机制的影响。
- A self-made directional solidification furnace was used to fabricate high purity aluminum(HPA) ingots,and the morphology of grains was studied. 采用自制的定向凝固提纯炉定向制备了大直径高纯铝圆锭,并对其定向凝固组织中晶粒的生长状况进行了研究。
- There are some problems in traditional separation process for toluene diamine, such as low purity of product and huge energy expenditure. 传统的甲苯二胺分离工艺存在一些缺点,如甲苯二胺产品的纯度不高、过程的能耗大等。
- The strains used in the production of nuclease P1 have many demerits, such as low production capacity, low enzyme activity and low purity. 现阶段用于工业生产的核酸酶P1产量不高，酶活力及纯度较低。
- The low purity of furnace charge and accessories and the improper smelting and pouring crafts were regarded as the formation reason of the oxide film. 同时,分析认为这种氧化膜的形成与金属炉料、铸造辅料的洁净度不够以及熔炼、浇注不合理有关。
- The influence of trace Fe and annealing on recrystallization texture of high purity aluminum foils was investigated by means of orientation distribution functions(ODFs)and TEM. 采用晶体取向分布函数(ODF)、TEM研究了铁含量及退火对高纯铝箔再结晶织构的影响。
- By means of ODF analysis, the formation and development of the recrystallization textures of a high purity aluminum foil annealed with an electric field were investigated. 采用电场和常规退火以及织构分析(ODF分析)技术,对高纯铝箔再结晶织构的形成及演变规律进行了研究,结果表明电场作为一种重要的势能场对金属的微观结构具有一定的影响。
- By using high salt and low pH DNA method,the DNA extracted with high purity and low production,which of modified CTAB with the contrary results,high production and low purity. 用两种提取方法从叶片中得到的DNA产量和质量有所不同,高盐低pH法提取的DNA纯度高,但是产量较低; 而改良CTAB法则相反,产量高,纯度低。
- To meet the demand for high purity TEA in domestic market, 99% high purity triethanolamine (TEA) was prepared by a route using low purity TEA as raw material. 为满足国内市场对高纯度三乙醇胺的需求,采用以低纯度三乙醇胺为原料的生产路线,获得含量99%25的高纯度三乙醇胺。
- A study was done on the problems such as the relatively low yield, low purity and dark color of the corn-gluten foaming powder produced by means of hydrolyzing corn gluten with alkali. 在用碱水解玉米麸质粉生产玉米蛋白发泡粉的基础上,就玉米蛋白发泡粉得率低,纯度低,色泽深等问题进行了研究。
- The influence of using lower purity PX on oxidization production load and each systems of the PTA plant is introduced. The plant stable running is realized with process aptimization . 阐述了低纯度对二甲苯(PX)在本装置使用后,对氧化反应、生产负荷及装置各系统的影响。通过工艺优化,实现稳定运转。
- Purity of the collected acetaldehyde oxime is more than 98% and yield is more than 90%.This method solved the problem of the lower purity and the lower yield of acetaldehyde oxime. 所得乙醛肟纯度达到98%25以上，收率达到90%25，解决了乙醛肟提取过程中含量低、收率低的问题。
- Grain Boundary Character Distribution in High Purity Aluminum 高纯铝的晶界特征分布研究
- The government is trying to keep a low profile on this issue. 政府力图在这个问题上保持低姿态。
- The singer forced his low notes. 那位歌手勉强唱出低音。
- CRYSTALLINE SILICON THIN FILM SOLAR CELL ON LOW PURITY SSP SUBSTRATE 低纯度颗粒硅带上硅薄膜太阳电池
- He because of bashful but low head. 他因羞愧而低下了头。
- The ship lay keeled over at low tide. 那艘船因退潮而倾覆。
