ph standard
英 [ˌpiː ˈeɪtʃ ˈstændəd]
美 [ˌpiː ˈeɪtʃ ˈstændərd]
【机】pH标准
双语例句
- Equimolal phosphate ph standard solution
中性磷酸盐ph标准液 - Tetraborate ph standard solutions
四硼酸盐ph标准液 - Available acidity is analyzed by pH indicator paper, standard colorimetry or acidimeter;
有机酸可采用比色法、纸上层析和气相色谱进行分析。 - The buffer medium and pH value should be the same for the sample and the standard.
待测样品和标准样品的缓冲介质与pH值必须保持一致； - Taking Fructus crataegi as an example, the capability of improving procedure can be proved by determining pH value and the content of acid substance in the standard carbonic herbs treated by different processing procedure and doing pharmacological experiments.
用pH值测定法控制炭药质量，通过测定山楂不同炮制工艺所得标准炭品的pH值和酸性物质含量，以及相关的药理实验，来验证改进工艺的可行性。 - The results showed that the determined iron content in pulp was affected significantly by the pH value of standard colorimetric solutions.
结果表明，标准比色溶液的pH值对纸浆中铁含量的测定结果具有重要影响。 - Experiment show that the target of detergent power, pH and foaming strength are attain to the standard. This new variety put on the market, it going to bring about great social benefit.
试验证明：去污力、pH值、发泡力等指标均达到标准要求.该新品种投放市场，将会带来不可估量的社会效益。 - A new type of pH standard instrument
一种新型酸度标准装置 - Antimicrobial effect of bamboo leaf extract on common contaminative microorganisms of food was determined. Antimicrobial activities were also assessed under treatments of different extract concentration, temperature and pH value by standard plate count method.
测定了竹叶提取物对食品常见污染菌的抑制效果，采用平板菌落计数法测定了浓度、温度、pH值对其抑菌效果的影响。 - Results: All variant Ph translocation involved at least three chromosomes and derived from a standard Ph translocation t ( 9; 22)( q34; q11).
结果：所有变异Ph染色体易位至少涉及3条染色体，并由标准Ph染色体易位t（9；22）（q34；q11）衍生而来。 - The result of stibium electrode's determining pH values of two standard buffer fluid in laboratory showed that the maximum absolute error was 0.23 when temperature went below 60 ℃ and 0.46 when 70 ℃.
室内实验中锑电极测定两种标准缓冲液的pH值，当温度小于60℃时，最大绝对误差为0.23；温度为70℃时为0.46。 - PH value of 1 sample was over the standard, but most of the pH values ( 69.14%) were more than 7.6.The qualified rate of urea was even lower than other parts of China.
仅有1份水样pH值超过标准，但69.14%的水样pH值大于7.6，偏碱性。尿素合格率低于国内其他地区。 - Under the condition which did not influence the membrane structure, trace Triton X-100 could eliminate the pH difference between the membrane sarface and the medium. The standard curve of correlation between membrane surface and fluorescence intensity of FPE was obtained by acid titration.
在不影响膜结构的条件下，利用微量TritonX－100消除膜表面与介质之间的质子浓度差，通过酸滴定实验，能够得到膜表面pH与FPE荧光强度之间的相关曲线。 - The content of water and organism rate in digested sludge's background, the permeating coefficient of the sludge with different water content due to the simulated rainfall experiment, the leachate index of COD, NH3-N, pH were determined using the standard methods respectively.
测定了消化污泥本底的含水率、有机质含量以及经过预处理后不同含水率的消化污泥模拟降雨实验的渗透系数，浸出液的COD、氨氮、pH等。 - PH Transferring System and the Metrological Standard for its Observation Instrument
pH的量传体系及其观测仪器的计量标准 - The results show that the distribution and concentration of PH inside the storehouse still exceeds the normal health standard, when the storehouse is opened after fumigating.
结果表明，PH3在粮仓内的分布和浓度变化，在熏蒸放气后相当长一段时间内仍超过卫生标准。 - PH Value and the content of fluoride tally with the sanitary standard of the drinking water.
PH值、含氟量不高，基本符合饮用水卫生标准。 - The existing morphology of molybdenum in solution is identical by adjusting molybdenum to test pH value of solution. Lead nitrate standard solution is demarcated by choosing high-purity reagent MoS_2 as datum with high accuracy.
通过调整钼测试溶液pH值，使钼在溶液中存在形态一致（MoO24-），并选用高纯试剂三氧化钼为基准物质标定硝酸铅标准溶液，提高方法的准确度。 - It was found that monomers had no influence on transparency, stability and pH value of the hydrogel, and the properties comply with National Standard.
研究结果表明，单体选择及其配比对共聚物水凝胶角膜接触镜材料的光学性能、稳定性及其浸出液的pH值无影响，均满足国家标准要求。 - There was no difference in pH value, standard bicarbonate radical and head wet/ dry ratio between the head injury groups and control group.
颅脑损伤组pH、标准碳酸氢根、脑湿/干比与对照组比较无明显差异。 - Application programs for pX ( or pH) and concentration measurements of standard and sample solutions are discussed under conditions of identical and different temperatures respectively.
文中分别讨论了在标准溶液与样品溶液的温度相同和不同的条件下pX（或pH）和浓度测定的应用程序。 - The results showed that the moisture and ash contents, pH and gel strength of UHP gelatin reached A-degree standard of edible gelatin.
结果表明超高压明胶水分、灰分、pH值和凝胶强度等指标达到了A级皮食用明胶的标准，透明度和色泽明显优于商品明胶。 - Main conclusions are: ( 1) The average soil pH value is 7.46.According to acid-base classification standard, the soil is neutral, relative amplitude.
得出的主要结论有：①本区土壤pH值平均为7.46。根据酸碱分级标准，呈中性，变化幅度小。 - Making use of ZnO which has unique chemical properties can be as the test solution pH value of the standard.
利用ZnO这一独有的化学特性可作为检测溶液pH值的标准。