The more hydrogen, the more acidic it is (low pH); the less hydrogen, the more alkaline it is (high pH).
越多的氢原子就越呈酸性(低ph值)；越少氢原子就越呈碱性(高ph值)。
Amino acids are positively charged (cationic) at low PH and negatively charged (anionic) at high PH.
氨基酸在低pH值下带正电荷(阳离子)，在高pH值下带负电荷(阴离子)。
This paper deals with the effects of low PH on the survival rate of the embryo, fry and fingerling and the pathologic changes of the fish gill.
本文研究了低pH水平对鱼类的胚胎，鱼苗和鱼种的影响以及鱼鳃的组织学观察。
The regolith was expected to be very acid-probably too acid even for crops such as peanuts, potatoes and carrots that like their soils with low pH.
本来预计表层土壤酸性会很强——很可能对如花生，土豆及萝卜一类喜好酸性土壤的作物而言都觉得酸性过强。
Results indicated that it was a typical strain of Saccharomyces sp. with thermostability, relatively high ethanol resistance and low pH tolerance.
结果表明该菌株为一株耐热、耐酸和耐乙醇的酵母菌属菌。
Low oxygen and low pH levels may have helped preserve the soft tissue, the team reports in a paper published this week in the Journal of Crustacean Biology.
低氧低酸碱度的环境可能对软组织的留存有所帮助，研究组在这周的《甲壳生物》里这样报道。
CMC can be used in acidified milk drinks as stabilizer. It will be useful for this application to study the interaction between CMC and casein micelles at low pH.
CMC可用于酸性乳体系中作为稳定剂，对其在酸性条件下与酪蛋白胶粒的作用进行研究，将对实际应用具有一定的指导意义。
CTAB method, low pH medium with high salt method (LPHS), and urea method were used and improved to extract high-quality DNA from Lauraceae plant Cinnamomum cassia Presl. , C. zeylanicum and C.
为了从富含次生代谢物的樟科植物肉桂、锡兰肉桂、阴香中获得高质量DNA ，研究和改进了CTAB法、高盐低pH法和尿素法。
So scientists did some digging, literally, to investigate. They found a particularly hearty methanogen called named Methanosarcina barkeri, or just M. barkeri, that can survive at low pH levels.
所以一些科学家就在垃圾填埋场进行实地挖掘调查。他们在垃圾填埋场发现了许多叫做巴氏甲烷八叠球菌的产甲烷生物，简称。
After the peptide chain has been unfolded by heating, by exposure to low pH, or by treatment with urea, it will often spontaneously refold to the native form, this sequence is called renaturation.
肽链加热打开之后，将其置于低pH值环绕或用尿素处理，再折叠到原来的形状，这个过程叫做复体。
PH value too high or low, general nickel plating or gold-plated (low won't) is happening.
PH值过高或过低，一般镀镍或镀金(过低不会)皆会发生。
In the study, 12 men and 8 women with reflux symptoms who hadn't responded to medication were put on a low-acid diet for two weeks, eliminating all foods and beverages with a pH lower than 5.
这项研究选取了表现出倒流症状的12名男性和8名女性，此前他们均接受了药物治疗而不见疗效。在连续两周的时间内，他们都保持低酸饮食状态，所有pH值低于5的食物和饮料都被排除在外。
The bamboo cavity injection to control Ph. pubescens tetranychids can rapidly dominate their harm in a short time and the control cost is low, but it can't effect a permanent cure.
竹腔注射防治毛竹叶螨能在短期内迅速控制害螨危害，防治成本低，但不能治本；
However, the diagnostic yield of pH testing under such circumstances is low.
然而，在这种情况下进行pH检测的诊断范围非常低。
The colour, smell, water contents, PH value and low volatility of Plasticizer are important quotas of quality. Those quotas will affect the stability of plastic products directly or indirectly.
增塑剂的色、臭、水份、酸值和低挥发物是重要质量指标，这些指标直接或间接影响塑料制品的稳定性。
At the same pH, the FA adsorption percentage curves all appeared to be a singlet, and the peaks moved towards low organic carbon concentrations of FA when pH rose.
相同pH下，三种固体吸附剂对FA的吸附百分率呈单峰形，随著酸度的降低，峰位向添加的有机碳低浓度处迁移。
At the same pH, the FA adsorption percentage curves all appeared to be a singlet, and the peaks moved towards low organic carbon concentrations of FA when pH rose.
相同pH下，三种固体吸附剂对FA的吸附百分率呈单峰形，随著酸度的降低，峰位向添加的有机碳低浓度处迁移。
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