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- pH regulation pH 调节, 酸碱调节
- 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?
- 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
- Effect: It can regulate skin.Its rich active ingredients can regulate PH of skin, balance grease exudation, shrink pores, supplement necessary moist for skin and help to improve skin situation. 功效：本产品能帮助调节皮肤机能，其丰富的活性成份有效调节皮肤的PH值，平衡油脂分泌物，收细毛孔，补充肌肤所需的水份，帮助改善皮肤肌理。
- That word is spelt with a PH, not an F. 那个字里的f音拼作PH而不是F。
- It's wrong of you to get around the regulation. 你存心规避规章制度是不对的。
- This regulation refers only to children. 这些规定仅适用于儿童。
- The minors are excepted from the regulation. 未成年者不在此限。
- That regulation is not applicable to this case. 那条规定不适用于这一情况。
- He was fined200 dollars for violation of traffic regulation. 他因违反交通规则被罚款200美元。
- A regulation that has outlived its usefulness. 已经没用却仍然存在的规则
- These are likely for use in the al-Samud II (ph). 这些发动机用于生产al-SamudII导弹。
- A buffer system resists a change in pH. 缓冲系统对pH的变化是有耐受能力的。
- The convocation held at four o'clock had passed a regulation. 四点举行的会议通过了一项规章制度。
- She was fined for driving above the regulation speed. 她因超速开车而被罚款。
- That word is spell with a ph,not an f. 那个字里的f音拼作PH而不是F。
- That word is spell with a ph, not an f. 那个字里的f音拼作ph而不是F。
- Why is pH important in body and skin care products? 为什么护肤产品的?
- Condensation is very rapid at PH 7-9. PH值7-9时缩聚极快。
