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1)  PDA phone
PDA电话
2)  Personal digital assistant
PDA
1.
The Research and Application of Mobile Geographic Information System Based on Personal Digital Assistant Group;
基于PDA群的移动GIS研究与应用
2.
With the maturity of techniques in both personal digital assistant (PDA), wireless local area networks (WLAN) and the increasingly lower cost o.
随着个人数字助理(PDA)和无线局域网(WLAN)技术、产品日益成熟和硬件价格降低,PDA和WLAN己倍受各行业青睐,为开发移动体检信息系统创造了条件。
3)  particle dynamic analyzer
PDA
1.
With the help of a particle dynamic analyzer (PDA) system an experimental and an alytical study of the turbulent flow characteristics has been conducted of the i n furnace coherent structure in a tangentially fired furnace under a vertical b i as pulverized coal combustion mode.
采用PDA测量系统 ,对四角切圆锅炉中垂直浓淡煤粉燃烧方式下影响一次风与主流场混合和扩散的炉内拟序结构进行了实验研究和湍流特性分析。
2.
With respect to the above cited issues an experimental study was conducted of the gas solid dual phase flow characteristics of the Tangential firing system (CFS I) and the reverse tangenfial firing system (CFS II) with the help of PDA (particle dynamic analyzer) system.
针对切向燃烧锅炉燃用劣质煤时的稳燃及水冷壁高温腐蚀等问题 ,采用PDA测量系统 ,对四角切圆锅炉中一、二次风同心反切和同心同向燃烧方式进行了气固两相流动特性的实验研究。
4)  PDA [英][,pi: di: 'eɪ]  [美]['pi 'di 'e]
掌上电脑(PDA)
5)  Personal data assistant(PDA)
PDA掌上电脑
6)  Photo Diode Array(PDA)
光电二极管阵列(PDA)
1.
Different integral time data were calculated based on a Photo Diode Array(PDA) driving program and the photoelectrical transformation principle,and the linearity region of the biochemical analyzer was confirmed according to both performance parameters and experiments.
根据光电二极管阵列(PDA)驱动程序和光电转换原理,推导出光强与积分时间档的关系式;然后,在实验的基础上按照PDA性能参数确定线性工作区间,再将各个积分时间暗电流数据记录下来,在数据采集过程中将相应的积分时间档下的暗电流数据扣除,以保证暗电流给分析仪器造成的误差最小。
补充资料:PDA
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性质:由减压渣油通过丙烷脱沥青工艺而制得的沥青。渣油通过丙烷两段沉降脱沥青工艺生产的脱油沥青,其延度可达100cm,针入度581/10mm,软化点49℃。可直接作为道路沥青或作为调合其他沥青产品的组分。也可经氧化工艺生产建筑沥青。丙烷沥青中的硬沥青部分,经乳化后可作为燃料使用。

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