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Soil aeration timing 烤田开始时间
Poor drainage causes deficient soil aeration and death of the roots. 排水不良能减低土壤的透气性，使根死亡。
The patients on whom the ease nursing had been carried out had good aeration compliance and less aeration time. 实施舒适护理病人通气顺应性好,机械通气时间缩短。
The effects of soil aeration on physiological characters and root tuber yield formation of Ipomoea batatas (L.) Lam.CV Lushu7 and Xushul8 were studied. 摘要选用鲁薯7号和徐薯18为材料，研究了土壤通气性对甘薯某些生理特性和块根产量形成的影响。
Result: The patients on whom the ease nursing had been carried out had good aeration compliance and less aeration time. 结果:实施舒适护理病人通气顺应性好,机械通气时间缩短。
Put forward an idea to determine aeration time according to the discharge way of treated wastewater in order to cut down the cost of operation. 并在此基础上 ,提出根据处理水的排放地点不同 ,确定不同的曝气时间 ,从而达到降低运行成本的目的
The proportion of aeration time and interruption time and the hydraulic retention time (HRT) has great effected the efficiency of nitrogen removal. 曝气/停曝时间比例和水力停留时间(HRT)等因子对浸没式微滤膜一氧化沟组合新工艺脱氮效果有较大的影响。
It can also raise quality of water treatment with reduced aeration time and fully catabolize NH_3-N, Tp and organism of discharge. 强化处理效果又减少曝气时间;除磷降氨氮效果显著,且能降解难生化有机物;
According to the feature of DO and ORP,the aeration time needed for organic degradation under different conditions can be controlled effectively. 根据DO、ORP的这一变化特征可有效控制不同条件下有机物降解所需的曝气时间。
The improved soil aeration also accelerated the transportation of (superscript 14)C-photosynthates from leaves to root tubers, increased the ratio of root tuber dry weight to top dry weight. 促进(上标14)C同化物由叶片向块根的运转和分配，提高干物质在块根中的分配率；
The results show that the factors arragned in important order as the follows:the quantity of iron scrap,graphite,ancillary material A, treatment time,aeration time. 实验结果表明影响因素的重要性依次为铁屑用量、石墨用量、辅料A用量、处理时间、曝气时间。
The soil around existing plants is cultivated (by hand using a hoe, or by machine using a cultivator) to destroy weeds and promote growth by increasing soil aeration and water infiltration. 在现存植物周围的土壤用锄耘（用手锄，或用耕耘机）除去杂草，使土壤透气与水份入渗来促进生长。
The results showed that aeration time is a key element in the process of nitrification, and the technology possesses stronger resist impact load capability. 结果显示 ,曝气时间对硝化效果影响较大 ,同时 ,本工艺具有较强的抗冲击负荷能力。
This process is characterized by steady treatment effects and sustainability at shock loading. The longer aeration time is useful for removal of NH_4~+-N, COD. 2) 延长曝气时间延长对于NH_4~+-N和COD的去除有利的，控制曝气时间为3h较为适宜。
The incidence of the VAP had close relation with the patient's age, aeration time, virulence operation and the disinfection management of the ventilator duct. 呼吸机相关性肺炎的发生与病人年龄、通气时间、侵入性操作以及呼吸机管道的消毒管理有着密切的关系。
After wastewater is pretreated by iron scrap method, the ratio of COD/N lowers, nitritation process will be carried out much earlier, which is beneficial to shortening the total aeration time. 焦化废水经铁碳电池预处理后，COD/N比值降低，亚硝化反应可以较早进行，有利于缩短系统的总曝气时间。
CECs of garden soils in Shanghai ranges between 10 ~ 20 cmol/kg and are significantly correlated with OM, pH, clay content, bulk density and soil aeration, so CEC is a good indicator of soil fertility, nutrient retention capacity and buffering capacity. 上海城市园林土壤的阳离子交换量(CEC)多集中在10~20cmol/kg,与土壤的理化性质:有机质、pH、黏粒含量、体积质量、通气孔隙度都存在极好的相关关系,能够综合反映土壤的肥力水平、保肥能力和缓冲能力。
The biodegradability of the wastewater can be raised by the hydrolytic reactions in ASBR treatment element,by which the load of SBR treatment element is lowered,aeration time shortened and the treating effectiveness of the system guaranteed. 废水在ASBR(膜法 )处理单元中进行的水解反应 ,提高了废水的可生化性 ,降低了SBR处理单元的负荷 ,缩短了曝气时间 ,保证了系统的处理效果。
The result shows that the COD removal reaches about 56% on the condition of pressure 0.1MPa, aeration flux 10wm, aeration time 6-8h and mixed liquor suspended solids concentration 3.0-5.0g/L. 加压接触氧化处理研究了进水混合后COD_(Cr)浓度约为1800mg/L时，压力、曝气时间、曝气量等因素对COD去除效果的影响，结果表明在压力0.;1-0
At the same time, the control of the reaction course by online detecting the DO and pH, ensured nitrification-denitrification via nitrite and avoided the problem of deficient nitrification owing to the shorter aeration time. 同时根据DO、pH在线监测、控制反应过程，避免了曝气时间过短、硝化不充分的问题，还保证了亚硝酸型硝化。