您要查找的是不是：
- recording pH regulator 记录式pH调节器
- In that craft H2SO4 is chosen as PH regulator, Al2(SO4)3 is chosen as flocculator, flocculate up medicine is CONH2(CH2-CH)n. 其中，选择的pH调整剂为H2SO4，混凝剂为硫酸铝，助凝剂聚丙烯酰胺。
- It was found that crystalline procaine hydrochloride can be preparel with the recories of 43.3% at pH 5.5 if ethanol is used as PH regulator. 最佳成盐条件为:以价格便宜;污染小的无水乙醇作溶剂;用浓盐酸调节pH至5.;5;收率可达43
- Is the "Plant Intracellular pH Regulation System" a Tolerance Mechanism Adapting to Environmental Stress? "植物细胞内pH调控系统"是适应环境逆境的一个耐性机制?
- That word is spelt with a PH, not an F. 那个字里的f音拼作PH而不是F。
- Study on the application of pH regulator in the suspention polymerization of vinyl chloride 氯乙烯悬浮聚合过程中pH值调节剂的应用研究
- The BBC often plays a record to fill in. 英国广播公司经常在节目空档时播放唱片。
- The scoundrel's crimes were too numerous to record. 这个歹徒罪行累累，罄竹难书。
- The recording was spoiled by scratches. 录音被沙沙声破坏了。
- An identification record for a tape or disk file. 磁带或磁盘文件的标识说明记录。
- Has it been found out who set the record? 弄没弄清楚这记录是谁创造的？
- I hung up a school record for the high jump. 我创造了学校的跳高纪录。
- She holds the world record for the long jump. 她保持著跳远世界纪录。
- She set a new world record for the high jump. 她创下跳高的新世界纪录。
- She's going for the world record in the high jump. 她想创造跳高世界纪录。
- Last summer was the wettest on record for 50 years. 刚过去的这个夏季是50年来记录中雨水最多的。
- I obtained this record for you with difficulty. 我好不容易为你弄到了这张唱片。
- He learns English by listening to tape recording. 他通过听录音的办法来学英语。
- How long will the recording of the song take? 录下这首歌得花多少时间?
- They sent the recording for our preview. 他们把那录音送来给我们预先审查。
