1) fertilizing system PDA
PDA施肥通
1.
A newly-designed expert fertilizing system based on PDA technology was developed and a knowledge database used for the fertilizing system PDA was designed.
PDA施肥通内含小麦、玉米、水稻、棉花、油菜和烟草6种大田作物专家系统和一个可扩展的专家系统。
2) PDA-based agricultural fertilizer system
农业施肥通PDA
3) fertilizer expert PDA
施肥通
1.
The paper introduces a new kind of technology on researching and developing for agricultural fertilizer expert PDA based on Palm OS, which can teach farmers how to fertilize precisely.
介绍了一种基于PalmOS平台的能够指导精确施肥的农业施肥通PDA的研制技术。
4) PDA telecom affair transaction
PDA线务通
5) 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。
6) 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。
补充资料：PDA
分子式：
CAS号：
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。
CAS号：
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。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条