pH的例句大全

PH of mixed coniferous and broadleaf stand, the artifical dahurian larch forest and clear cutting forest land are higher than that the select cutting forest land and the reserved zone;

pH：针阔混交林、落叶松人工林皆伐林地比择伐林地及保留带高，水解酸低，阔叶混交林则相反；

The influence factors of electroless plating are pH, temperature, loadage, formaldehyde content and salt content, etc. This article will study the relationship of plating speed, gestating time, weight increment, morphology of the composite powders with these factors.

化学镀的影响因素有pH值，温度，装载量，甲醛含量和主盐含量等。本文将研究随着这些条件变化时镀速、孕育期、增重、复合粉体表面形貌的变化规律。

To research degradation effects with different variables, we adopted single variable method and discovered that catalyst dosage, solution pH value, solution initial concentration and the time of light irradiation influenced the final degradation effect.

采用控制变量法研究不同变量对降解效果的影响，发现：催化剂投加量、溶液的pH值、溶液初始浓度以及光照时间，对最终降解效果均有影响。

Various kinds of best parameters of air flotation is found, including: coagulant kind, dosage, pH, deal with time of, mixing intensity, atmospheric pressure and backset current than.

试验中确定了混凝气浮工艺的各种最佳参数，包括：混凝剂种类、剂量、pH、处理时间、搅拌强度、气压以及回流比。

The experimental conditions, including temperature, pH, denatured protein concentration and urea concentration, in the renaturation process of recombinant human interferon-γ inclusion body by dilution were studied and at the same time pulse renaturation was tested. The optimum renaturation conditions were obtained.

采用稀释法研究了重组人γ干扰素包涵体复性条件，如温度、pH值、蛋白浓度、复性液中脲浓度，同时对加样操作方式进行了考察，得到了较为适宜的复性条件。

PH closure properties of continuous time queue with multiple adaptive vacation and Set-Up time

带启动时间的多级适应性休假连续时间排队的PH封闭性

Effect of fulvic acid and pH on the speciation of Eu ( III) on γ-Al_2O_3: A time resolved laser fluorescence spectroscopy study

荧光时间衰减光谱法研究富啡酸和pH对Eu（Ⅲ）在氧化铝表面的化学形态影响

Adsorption time, solution pH, initial concentration, adsorption kinetics and adsorption isotherms were mainly discussed.

着重考察了吸附时间、溶液pH、初始浓度对吸附效果的影响，并研究了吸附动力学和吸附等温线。

Conclusion: The expression changes of PBR, Bcl-2, Bax mRNA may be related to the time-phase of mitochondrial PT during rat liver regeneration after PH.

结论：PBR、Bax、Bcl2在肝再生过程中表达变化可能与线粒体PT时相变化有关。

The redox process and degeneration of polypyrrole ( PPY) in solutions with various PH have been studied by in situ time-resolved Raman spectroscopy.

对不同pH值溶液中聚毗咯的电化学氧化还原行为进行了现场时间分辨拉曼光谱研究。

The photocatalytic semiconductor TiO 2 coat film for treating phenol solution is studied. It shows that phenol solution transform is affected by gas flow, base form of TiO 2 coat film and pH value of solution.

研究了应用半导体TiO2薄膜光催化剂对苯酚废水进行转化，转化过程中气体的流量、膜底面的形状、溶液的pH值均对苯酚的降解率有影响。

Umbilical blood was analyzed after fetal delivery and the pH, base excess ( BE) value were recorded.

胎儿出生后立即抽取脐动脉血进行血脐分析，记录pH值和BE值。

Results: Highly significant correlations were observed between malondialdehyde and xanthine oxidase umbilical pH Pco2 Po2 base excess gestational age and Apgar score at 5 min.

结果：脐血丙二醛与黄嘌呤氧化酶、脐血气pH、氧分压、二氧化碳分压、碱剩余、Apgar5分钟评分以及胎龄等各项指标有显著的相关性。

In the group of severe variable deceleration and late deceleration, the value of pH 、 PCO_2 、 Base excess and PO_2 had significant differences from that in the control group ( P < 0.01).

观察组中，重度变异减速者及晚期减速者pH、PCO2、PO2、BE与对照组相比差异非常显著（P均

There is a plenty of organic matters in wastewater from tin electroplating process of cold rolling mill. The concentration of COD is high and pH is between 1.1-2.0.So it is difficult to treat directly by biochemical process.

冷轧厂电镀锡生产过程中产生的废水含有大量的有机物，COD浓度高，pH值在1.1-2.0之间，很难直接进行生化处理。

Discussion on the PH in the Monobasic Weak-acid Weak-base Salt Solution

一元弱酸弱碱盐溶液的PH探讨

The reacting temperature and pH have affected the gel strength, which can produce the steady gel exceeding 70 ℃, and the gel strength is most in the neutral or alkalescent system.

反应温度与pH值均影响凝胶强度，在温度超过70℃的范围内，均能形成稳定的凝胶；体系在中性或弱碱性时，凝胶的强度最大。

Through the experiments, it was proved that PST liposome prepared by reverse phase evaporation could be in the most stable state under neutral pH of environmental solution and refrigerated storage.

采用逆相蒸发法，考察了溶剂密度、膜材浓度、制备温度和超声时间等因素对溶菌酶脂质体包封率、稳定性及形态学的影响。

The most appropriate conditions for the experiment were found to be pH 7.4 and 37 ℃.

在pH7.4时，37℃环境实验最适合。

PaCO_2 and blood lactate increased, pH and BE decreased before unclamping the portal vein.

门静脉开放前PaCO2升高，LA升高，pH和BE下降；