查询词典 wastewater

Straw midcourse wastewater's biochemical trait orders equal approximatively with same cooking methods and different bleaching methods.

相同的制浆方法不同的漂白方法产生的草浆中段废水可生化性高低顺序大致相同。

Aerobic granular sludge is a recently-discovered kind of sludge self-immobilized through autogenetic microbial activities under aerobic conditions. This kind of sludge demonstrates high settling capability, high biomass and high bio-activity that decomposes organic wastewater high in concentration.

好氧颗粒污泥是近年发现的，在好氧条件下自发形成的微生物细胞之间自身固定化的一种形式，具有良好的沉降性能、较高的生物量和在高容积负荷条件下降解高浓度有机废水的良好生物活性。

Effect of artificial wastewater on some eco-physiological characteristics of Avicennia marina seedlings.

人工污水对白骨壤幼苗生理生态特性的影响。

The azeotropism -fractionation process for recovering formic acid from acid wastewater in cyclohexanol/ cyclohexanone production was studied,and the feasible kind and dosage of entrainment reagent for was determined.

采用共沸—分馏组合法从环己醇和环己酮生产装置产生的酸性废水中回收甲酸，确定了适宜挟带剂的种类及加入量。

The invention relates to a method for degrading azo dye wastewater.

一种降解偶氮染料废水的方法。

The factors of dissolved oxygen concentration, hydraulic retention time, nutrient, pH value, temperature and backwashing cycle, which affected the treatment efficiency of spent caustic wastewater were investigated.

研究了溶解氧质量浓度、水力停留时间、营养物质、pH值、温度和反冲洗周期等因素对碱渣废水生物处理效果的影响。

The wastewater was treated by the CBAF process under optimal conditions: hydraulic retention time of 100 min, dissolved oxygen concentration of about 3 mg·L-1 and the backwashing cycle of every 2—3 days.

CBAF工艺净化该废水适宜的操作条件为：水力停留时间100 min，溶解氧浓度3 mg·L-1左右，反冲洗周期2～3 d。

Fermentative strains of Bacteroides from granule cultured with soybean wastewater and of G〓 streptococcus from granule cultured with glucose are isolated.

从豆制品废水培养的颗粒污泥中分离出了一株属于拟杆菌属的发酵性细菌，从葡萄糖配水培养的颗粒污泥中分离出了一株属于革兰氏阳性链球菌的发酵性细菌。

The results showed that the application of photocatalytic oxidation to the treatment of wastewater was feasible and efficient, but it was affected by the operation conditions.There existed optimum value of the dosage of catalyst, initial benzamide concentration and pH value for the photocatalytic oxidation performance.H2PO-4,Cl-, Cu2+ and Al3+ showed obvious inhibition to the photocatalytic oxidation.

结果表明，循环式浆态光催化反应器中光催化剂的用量、污染物的初始浓度和初始pH值对模拟污染物光催化降解性能的影响存在适宜值；体系中H2PO-4、Cl-、Cu2+、Al3+对其光催化降解过程有明显的抑制作用。

The result indicates that the naphthalin ring in Naphthol green B molecule is degraded as organic acid and benzoquinone, and further becomes inorganic substances by chlorine dioxide direct oxidation and catalytic oxidation so that the ability to biology treatment of the difficulty degradation wastewater is improved, which is good for the further treatment.

结果表明，萘酚绿经化学氧化和催化氧化后，分子中萘环被氧化降解为羧酸和萘醌，并进一步降解为无机物，提高了废水的可生化性，为难降解废水的后续处理创造了条件。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。