1) 5-4-3 Principle
5-4-3原则
2) three C's
3-C原则
3) exon3,4,5,8
外显子3、4、5、8
4) UC3842/3/4/5 series
UC3842/3/4/5系列
1.
This paper introduces briefly the characters of UC3842/3/4/5 series PWM modulator,analyses typical circuit in switching mode power supply constituted by UC3842/3/4/5 series,introduces the basic process and series problems about faults maintenance which should be paid attention to.
主要介绍UC3842/3/4/5系列PWM调制器的特点,并对其构成的开关电源的典型应用电路进行分析,介绍了维修的基本步骤和维修应注意的几个问题。
5) 4(5)-(3-pyridyl) imidazole
4(5)-3-吡啶基-咪唑
6) 4-methyl-3-decen-5-ol
4-甲基-3-癸烯-5-醇
1.
Object:Improved the conditions and routes of the 4-methyl-3-decen-5-ol,this way increased the yield of the product and being morehelpful for the industrial production.
目的:改进4-甲基-3-癸烯-5-醇的反应条件及工艺路线,提高收率,使其更有利于工业化生产。
补充资料："谁污染谁治理"原则
见污染者负担原则。
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
3-氯-4-二氯甲基-5-羟基-2(5氢)-呋喃酮
4-双(1-苯基-3-甲基-4-吡唑啉-5-酮)甲烷
3-(3-吡啶基)-4-氨基-5-芳胺基-1,2,4-三唑
3-苯基-5-(4-羟基-3-甲氧基苄叉)绕丹宁
3-溴-5(3-溴-4-羟基)苯海因
5-(2,4,6-三甲基-3-环己烯-1-基)-4-戊烯-3-酮
5-(3,5,6-三甲基-3-环己烯-1-基)-4-戊烯-3-酮
尖晶石化合物Li_(4/3)Ti_(5/3)O_4
3-苯基-5-(4-羟基-3-甲氧基-5-溴苄叉)绕丹宁
4-硝基-3-甲基对硝苯基-5-吡唑啉酮(4-nitro-3-methyl-p-nitrophenyl-5-pyrazolone)
1-苯基-5-(4-苯基-1,2,4-三唑-5-巯基-3-甲硫基)四唑