查询词典 acetic acid

Apparently,higher ratio of propionic／acetic acid is not conducive to the improvement of phosphorus removal.

说明在厌氧/缺氧环境下，碳源中丙酸比例的提高不利于系统中磷的去除。

The effect of different ratios of propionic/acetic acid on the metabolism of long-term cultivated GAO was investigated.

在3个SBR反应器（即SBR-A，SBR-C和SBR-E）中，以3种不同比例的丙酸/乙酸中长期驯化活性污泥使之富集聚糖菌，对丙酸/乙酸对聚糖菌的长期和短期代谢的影响进行了研究。

It was found that with the increase of propionic/acetic acid ratio, the soluble ortho-phosphorus release and uptake decreased.

随丙酸／乙酸比例增加，SOP的释放与吸收量减少，SOP的代谢速率降低，但SOP的去除率明显增加。

Four chalcones were synthesized by aldol condensation reaction of acetophenone or para-substituted acetophenones with 2-phenyl-1,2,3-triazol-4-carboxaldehyde, which reacted with three hydrazines in glacial acetic acid under refluxing to give a series of pyrazoline derivatives.

以2-苯基－1，2，3-三唑基－4-甲醛为原料，与苯乙酮［或取代苯乙酮(1a~1d)］发生羟醛缩合，生成相应的查尔酮(2a~2d)，再与不同的肼反应，合成了12种新的5位含2-苯基－1，2，3-三唑基的吡唑啉衍生物3a~3d，4a~4d，5a~5d。

To acetic acid causes the ache mice sways from side to side the body number of times;Of Reban method causes the ache mouse ache scope influence.

对醋酸致痛小鼠扭体次数的影响；对热板法致痛小鼠痛阈的影响。

To acetic acid causes the ache mice sways from side to side the body number of times;Of Reban method causes the ache mouse ache scope influence.

目的 （1）观察小鼠口服安蓝风湿药液所产生的急性毒性反应及死亡情况，为临床试验安全性提供资料。

In the past an acetic acid generator was used to recirculate the wine over a bed of wood chips, where the desired microorganisms developed as a surface growth.

过去，人们用一种醋酸发生器在一木制的削片床上循环流动，在其表面上有一些我们所期望的微生物的生长。

In our work, as a preliminary experiment, the N-phenacylisoquinolinium bromide was reacted with methlhydrazine in refluxed acetic acid. Unexpectedly, 2-methyl-1,2,3-triazole was obtained. The further study of this reaction led to a more simple starting material,α-bromoacetophenone to react with methylhydrazine, obtaining the same product.

我们在研究N-苯乙酰异喹啉溴化物与甲肼在冰醋酸中的反应时，意外地得到了2-甲基-4-苯基-1，2，3-三氮唑，经过进一步的研究发现α-溴代苯乙酮与甲肼也能得到同样的产物。

In addition, dichloromethane-methanol-acetic acid (60: 30: 10, V/V) is selected as regenerant and the appropriate regeneration condition is also established by evaluation of the regeneration effciency.

此外，通过对再生效率的考察，寻找到二氯甲烷—甲醇—乙酸（60：30：10，V/V）为再生剂及合适的再生条件。

Results:All dosage groups of Tou-Yu-Tong Pills could release chronic nerve injury caused by formaldehyde solution; remarkedly inhibit the pain of mice in the formalin test and prolong the latencies of paw-licking. It could significantly diminish pain caused by glacial acetic acid ,reduce the number of the writhing in mice.To the model of migraine ,Tou-Yu-Tong Pills can improve the content of 5-HT in brain tissue of mice ,and ruduce 5-HTAA.

结果 头愈痛丸对福尔马林致小鼠慢性神经性疼痛反应，能明显减少动物舔后足的时间，改善其伤害性疼痛行为反应；对冰醋酸致小鼠扭体反应，能显著延长扭体的潜伏期，减少扭体反应的次数；对小鼠偏头痛模型，能显著升高小鼠脑内5-HT的含量，且降低5-HIAA的趋势。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。