反应时间

嗜酸乳杆菌和干酪乳杆菌具有一定的蛋白水解活性，pH、温度、反应时间都会对其蛋白水解活力产生影响。

Temperature , pH , and reaction time affected the proteolytic activities .

所以选择3d为最适反应时间。

Therefore , 3d is the best reaction time .

研究了反应时间、起始浓度、pH值对光催化放氢和污染物降解的影响。

The effect of irradiation time , the initial concentrations and pH-value were investigated .

但催化活性随反应时间延长迅速降低，加入助剂CaO能提高催化剂的稳定性，延长催化剂寿命；

But the activity of the catalyst decreased with the reaction time .

对训练中每次按键反应时间（RT）均以毫秒（ms）计测并予以记录。

Each button pressing reaction time ( RT ) has been measured and recorded in unit of ms.

选用W酸作为催化剂能够缩短反应时间、降低缩合反应温度、提高促进剂M的纯度；

W acid catalyst used in Salicylic acid catalyst can shorten reaction time , decrease reaction temperature and increase the purity of crude accelerator M.

选用三氯化铁作混凝剂，次氯酸钠作氧化剂，研究了混凝剂和氧化剂的投加量、pH及不同的反应时间对喹禾灵含酚废水处理效果的影响。

Using ferric chloride as coagulating agent and sodium hypochlorite as oxidant , experimental research on optimun coagulating agent and oxidant dosage and effect of pH are conducted .

反应时间2h；

Reaction time , 2 h ;

研究反应时间、溶液pH值以及添加剂等反应参数对制备过程的影响。

The reaction parameters such as : reaction time , pH value , and additive are investigated carefully to see how these parameters influence on the whole preparation process .

考察了反应时间和反应物浓度以及体系的pH值对还原沉积反应的影响，并采用XRD，XPS，SEM对所制备的粉体进行了表征。

The reaction time , concentration and pH value are investigated and the prepared powders were characterized by means of XRD , XPS and SEM .

出水COD去除率随着IAT池反应时间的延长而提高；

The removal rate of outflow COD would rise with the prolonging of reacting time of IAT tank ;

我们重点考察了反应时间，反应温度，V酸/V水对晶种的粒度分布和平均粒径的影响。

We focus on reaction time , reaction temperature , ratio of V_ ( acid ) / V_ ( water ) on distribution of particle size and media grain size .

当酸煤比、液固比和反应时间发生变化的时候，FA和HA的提取率变化趋势基本相同。

When acid-to-coal ratio , solvent-to-solid ratio , reaction time changed respectively , the change trends of FA and HA extraction rate were generally similar .

生物反应时间：72h；

Fermenting times is 72h ;

XRD、FT-IR测试结果表明极性物质甲酰胺很好的插入层状黏土高岭土中，且插层率受反应时间影响显著。

XRD , FT-IR results show that formamide was intercalated into the interlayer of kaolinite and the intercalated ratio can be affected by the reaction time .

研究了PTC种类、用量、反应时间、温度和碱浓度对反应产率的影响，并对产物的结构和性能进行了分析。

Effects of sort and amount of PTC , reaction time and temperature , and concentration of NaOH on polymer yield were studied .

通过控制热压反应时间可以较好的调控超高分子PCS的重均分子质量的大小。

The average molecule weight of PCS with a super high molecule weight could be better adjusted by means of adjustment of reaction time .

研究了pH值、甲基橙染料废水初始浓度、反应时间、温度、自由基浓度、臭氧浓度及其流量等因素对甲基橙染料降解性能的影响。

The effects of pH , initial methyl orange concentration , reaction time , temperature , concentration of hydroxyl radical , concentration of ozone and flow of ozone on the degradation of methyl orange were studied .

加入催化剂碘化钾（KI）使反应时间缩短为3.5h。

KI can be used as catalyst to reduce reaction time to 3.5 hour .

最佳反应时间为15min；

The optimal reaction time was 15 minutes .

加热反应时间为15min；

Heating reaction time is 15 min .

XPS刻蚀深度分析表明，磷仅在膜层表层出现而没有渗透到膜层内部，随反应时间增加，同一刻蚀深度上的碳、氧成分增多，氧化膜厚度加深。

However , the compositions of carbon and oxygen in the same depth are increased with the increase in reaction time , at the same time the oxide films deepens as well .

当腐蚀反应时间超过72h后，电极腐蚀过程趋于稳定，此时，反应受活化和扩散共同控制。

When the reaction time was over 72h , the corrosion reactions which were controlled by activates and mass transport shifted to be stable .

实验条件，包括溶液PH，溶液温度，反应时间，溶液极性以及溶液浓度等对药物与小牛胸腺DNA作用具有影响。

The reaction conditions , including concentration of pesticides , PH of solution , temperature of solution , reactive times , polarity of solvent and ionic intensity of solution , all have effects on the interactions between pesticides and calf thymus DNA .

反应时间及Zr-Ti共沉淀PH值对粉体形貌的影响与CTAB分析结果一致。

The effects of reaction time and the value of PH producing Zr-Ti precipitation on the morphology of powders was the same as adding CTAB .

但超过3.5h后，随着反应时间的延长，聚合物的水分散性变差。

But the water-solubility becomes bad gradually when the reaction time exceeds 3.5 h.

通过改变水解反应时间或者TEOS的用量，我们还可以对氧化硅层厚度进行有效的控制。

The thickness of silica coating layer in the resultant coaxial nanotubes is controlled by changing either the reaction time or the dosage of TEOS .

本文初步研究了Fenton试剂对久效磷的降解，分析了H2O2浓度、温度、反应时间、pH值和Fe2+浓度这五个因素对COD去除率的影响。

The decomposition of Monocrotophos by Fenton reagent was investigated . The influence of five factors ( H2O2 concentration 、 temperature 、 reaction time 、 pH 、 Fe2 + concentration ) to COD removal efficiency was analysed .

调节反应时间，产物由疏松的实心球向空心多孔球转变；随着PVP加入量的增加，磁性空心球的空腔明显增大。

The morphology of the product transferred from solid spheres to hollow porous nanospheres by adjusting the reaction time , and the hollow volume increased obviously with the amount of PVP increased .

通过扫描电镜、X射线衍射、红外光谱、EDS能谱、差热等方法对最终产物进行了表征，确定了制备无机抗菌剂的反应时间、pH值、烧结温度等工艺参数。

The final products were characterized by SEM , XRD , FTIR , EDS , DSC-TG . The process parameters of the reaction time , the value of pH , the sintering temperature of preparing the inorganic antibacterial were determined .