1)  UFLS
UFLS
1.
This paper analyzes the characteristics,scheme classification,application status,optimization of power system low frequency load shedding techniques,and various advanced algorithms applied in UFLS are summarized.
针对电力系统低频减载技术的特点、方案分类、应用现状、优化研究及各种先进算法在UFLS中的应用情况进行综合阐述。
2)  UF
UF
1.
Experimental Studies on Removal of Chloroform and Tetrachloromen thane from Potable Water by GAC, UFand RO Process;
GAC、UF、RO去除饮用水中氯仿、四氯化碳性能的试验研究
2.
Application of PVAc Type Hardener for UF Resin;
PVAc型UF树脂固化剂的应用研究
3.
Membrane Processes for Reuse Domestic Sewage and Mechanism of Membrane Fouling in Domestic Sewage Treatment by UF Membrane;
膜法处理回用生活污水及UF膜过滤生活污水膜污染机理的研究
3)  △UF
△UF
1.
The origin of △UF of automobile silicon rectifier diode is introduced here.
介绍汽车硅整流二极管△UF的由来,详细阐述实验中影响△UF值的各项因素及降低△UF的方法。
4)  UF-G
UF-G
1.
Study on the application of UF-G low formaldehyde emission UF resin for plywood;
UF-G低毒脲醛树脂在胶合板上的应用研究
5)  UF membrane
UF膜
1.
The membrane fouling process that effluent of a factory's domestic sewage station was treated by UF membrane was studied.
对UF膜处理某厂生活污水出水时膜污染的机理进行了研究。
6)  UF glue
UF胶
1.
A new type UF glue with low toxicity and water resistance was introduced with F/U=1.
介绍了一种低毒耐水UF胶粘剂(脲醛树脂胶粘剂)的合成,采用甲醛与尿素摩尔比(F/U)=1。
参考词条
补充资料：UF

   -(-CH2-NH-CO-NH-)n-(-NH-CO-CH2OH-)-m 
   脲醛树脂是由尿素和甲醛溶液在减或酸的催化下进行缩聚反应制得。平均分子量约10000。乳白色粘稠液体，水溶性好，耐光照和耐老化。室温和加热时都能很快固化，固化物无色。对木材、织物、纸张有较强的枯接力。耐水性差。脆性大，固化时放出有毒的甲醛。
    外观  乳白色粘稠液体    粘度  300-500mPas
    固含量  58％-62％    PH  7.0-7．5
    游离甲醛  ＜2．5％
    用于配制脲醛树脂胶粘剂。贮存于阴凉、通风的库房内，温度为5-20℃。

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