沉淀时间
- 网络settling time
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沉淀时间的缩短使自由沉淀空间增加,从而影响了污泥颗粒化进程。
Decreasing settling time just leaded to increasing free settling space .
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污泥颗粒化的直接影响因素不是沉淀时间而是自由沉淀空间。
Instead of settling time , free settling space was the direct influencing factor for granulation .
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水温、pH、沉淀时间等对絮凝沉淀过程的影响。
On the process of flocculation and precipitation .
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影响COD去除率的最主要因素为曝气量,曝气时间、沉淀时间也有一定影响。
Main factors affecting COD removal rate were orderly aeration volume , aeration and settling duration .
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介绍了pH值、沉淀时间、搅拌时间、A1/F等条件对处理水残氟的影响。
The impact of such factors as pH , time of subside ? mix round and A1 / F on the rest of the fluoride of treatment water were studied .
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研究结果表明,颗粒污泥的形成是COD负荷、水流剪力、HRT以及沉淀时间共同作用的结果。颗粒粒径范围为50一900pm,颗粒污泥含水率在%。
The effects of different operational conditions on formation of granular were studied such as COD loading , settling time , HRT and shear force .
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沉淀时间为10min。
The sedimentation time was 10 minutes .
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针对大豆色拉油中DNA较难提取的问题提出了充分乳化、延长醇沉淀时间和反复富集小片段DNA等措施,有效地从大豆色拉油中提取到DNA,并通过大豆特异内源基因扩增得以证明。
DNA was efficiently isolated from soybean oil through several measures of efficient emulsification , elongating the time of ethanol precipitation and repeat concentration of small DNA fragments . It was proved that DNA was isolated successfully by doing PCR of soybean native gene lectin ;
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采用SBR法对氯丁橡胶生产废水进行了处理,研究了不同充水时间、反应时间、沉淀时间、闲置时间和曝气方式对处理效果的影响。
The neoprene wastewater was treated with sequencing batch reactor ( SBR ) process , and the parameters affecting treatment efficiency were examined including influent time , reaction time , sedimentation time , idle time and aeration mode .
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试验结果表明,最优的多糖提取条件为:冠突散囊菌液体发酵液浓缩至原体积的1/4,乙醇浓度95%,乙醇沉淀时间10h。
The results showed that the optimal condition for the extraction technique were 95 % ethanol deposition for 10 h as well as the ratio 1:4 .
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采用湿法相转化工艺制备聚醚砜(PES)超滤膜,探讨了沉淀时间、溶解度参数对膜亚层结构形成的的影响。
The polyethersulfone ultrafiltration membranes were prepared by the wet phase-inversion technique . The effect of precipitation time and solubility parameters on the structure of the sublayer of the membranes forming by wet phase-inversion was investigated .
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通过改变沉积温度、反应气体比、沉淀时间等因素,系统研究了这些沉积工艺参数对Si3N4膜绝缘耐压性能的影响。
It can be used as an insulating layer in static electrical micromotor . Influence of the processing parameters , such as substrate temperature , reactant gas ratio and deposition time , on the electrical resistivity and breakdown properties of Si_3N_4 thin films are studied .
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在混凝后的最初的10 ̄30min内,废水上清液的含铁量急剧下降,此后随着沉淀时间的增加,上清液含铁量缓慢降低;
In the initial 10 - 30 min after the coagulation , the iron content of the clear supernatant is lowered quickly , and with the increase of the sedimentation time , its iron content decreases slowly .
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应用纳米磁粉磁化细菌生物法处理屠宰废水,结果表明,该工艺能实现磁性生物絮凝泥水混合液的快速有效分离,沉淀时间仅为15min;
A new biological process of bacteria magnetized by magnetic nano-material was used for slaughter-house wastewater treatment . In the process , the mixed liquid of magnetic and flocculated sludge can be separated quickly and effectively , with sedimentation time only 15 min.
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乙醇沉淀时间对苹果果胶性质的影响
Effect of Ethanol Precipitation Time on Physicochemical Properties of Apple Pectin
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结合考虑过滤和沉淀时间等因素,进一步研究了混凝去除有机物的机理。
Further the mechanism in coagulation process was studied .
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并通过四因素的正交试验法找出了最佳混凝搅拌强度、混凝沉淀时间。
The optimal stirring speed and settlement time are confirmed by four-factor orthogonal tests .
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从磨碎程度、沉淀时间、二次过滤3个因素对提高出粉率进行了研究。
The study on raising extraction rate of starch was done in trituration rate , deposition time and the second filtration .
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根据模拟结果发现沉淀时间、产物过饱和度及凝并对粒度及粒度分布有着显著的影响。
It is depicted that the particle size and particle size distributions are controlled by supersaturation , precipitation time and agglomeration between the particles .
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最后得出最适合工厂扩大化生产的提取方法是乳酸发酵法,最佳提取工艺参数:乳酸菌个数为10~7个/毫升,沉淀时间为8~10小时。
The optimum separating technics parameter is as follows , lactobacillus number is 10 ~ 7 each milliliter , the depositing time is 8-10 hours .
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在活性污泥颗粒化的启动试验中,在生物化学条件相同的条件下,逐步缩短沉淀时间可以加快好氧污泥颗粒化系统的启动。
The research results indicate that gradual reduction of settling time may reduce the startup time for aerobic granular systems under the same biological and chemical conditions .
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在序批式反应器中,通过改变操作条件培养出颗粒活性污泥,较小的沉淀时间是产生颗粒污泥的主要因素。
The aerobic granules could be cultivated successfully in the SBR by changing the operating conditions , and the shorter settling time was the primary affecting factor .
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方法配制不同浓度的甲基丙烯酸共聚物混合液,测定其粘性和沉淀时间,寻找此栓塞剂的最佳浓度配比。
Methods In vitro , the viscosity and precipitation time of the Eudragit mixture at various concentrations were measured to find the best proportion of the embolic agent .
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采用单因素法对溶剂、试剂用量、显色与沉淀时间、反应温度等实验参数进行了优化选择。
Experimental parameters , including the solvent , the reagent concentrations , the time for color developing and precipitation and temperature , were optimized with a univariate experimental design .
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电费资金是电力企业最主要的资金来源,改进电费资金收取方式,可以提高电费资金的收取速度,缩短在途和沉淀时间,提高电费资金的利用率。
Power charge is the most important funds income to change its charge taken mode , it can raise fund taken speed shorten midway and sediment time , raise fund using rate .
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王安忆真诚地面对生活和历史的真实,在《长恨歌》中,她沉淀时间,穿透迷雾,追问个体生命的真实体验和日常生活书写中的历史意识,探寻着细节中的人文关怀。
Wang honestly face the real life and history , in the " Everlasting Regret ", she settling time , through the fog , asked real-life experience of individual life and daily life in the writing of historical consciousness , exploring the details of humanistic concern .
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推荐沉淀冷却时间应控制在30min以上;
The recommendatory refrigerant time must be above 30 min ;
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丝质组含量对稳定性作用明显,当煤中丝质组含量低于30%时,煤浆产生软沉淀的时间一般都在15d以上。
The inertinite content in coal shows significant effects on the static stability of CWS . The soft sediment is normally formed after 15 days when inertinite content in coal is lower then 30 % .
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方法:分别观察不同温度配制的复方乳酸钠注射液3号出现沉淀的时间。
Methods : We observed the sedimentation time of the sodium lactate injections prepared at different temperatures .
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讨论了反应温度、物料浓度、超声沉淀反应时间以及焙烧温度、焙烧时间对氧化铁粒度的影响。
The influence factors , such as reaction temperature , concentration , reaction time , calcinating temperature and time on the Fe_ ( 2 ) O_ ( 3 ) particle size were studied in this paper .