查询词典 anoxic

In the successful achievement of autotrophic nitrogen removal for nitrite,the effect of nitrite concentration on nitrogen removal in anoxic bio-film filter was investigated.

在成功实现亚硝酸盐自养脱氮的基础上，探讨了亚硝酸盐浓度对缺氧生物膜滤池脱氮性能的影响。

This product is easy to absorb and harmless to stomachintestine. Sscientific study demonstrate that it has the function of anti-anoxic, reduce weight. It food a good supply food for brainworker, physical worker

易吸收，不刺激肠胃，科学研究证实，有耐缺氧、减肥、美容等功效，是脑力、体力劳动者、中老年、亚健康人群强身健体必备的营养补充食品。

In order to research the relations of carbon sources to structure of PHAs, six kinds of PHAs sample were synthesized by activated sludge with six different carbon sources respectively in the aerobic-anaerobic-anoxic process. Their structures were determined by 〓HNMR、〓CNMR and GC-MS. When the carbon source was acetate, the unit composition of PHAs was 93. 91mol％ 3-hydroxybutanoic acid and 6. 09mol％ 3-hydroxypentanoic acid ; When the carbon source was propionate, the unit composition of PHAs was 28. 66mol％ HB, 63. 13mol％HV, 2. 55mol％ 2-methy-3-hydroxy-butanoic acid (2MHB) and 5. 66mol％ 2-methyl-3-hydroxypentanoic acid (2MHV); When the carbon source was 80％ butyrate and 20％ 1, 4-butanediol, the unit composition of PHAs was 65. 03mol％ HB, 28. 06mol％HV, 1. 91mol％2MHB, 2. 69mol％ 2MHV, 0.73mol％ 4-hydroxy butanoic acid (4HB), 0.78mol％ 4-methyl-3-hydroxy-pentanoic acid (4MHV), 0.80mol％ 3-hydroxyhexanoic acid ; When the carbon source was 20％ butyrate and 80％ 1, 4-butanediol, the unit composition of PHAs was 61. 39mol％ HB, 23. 01mol％HV, 4. 58mol％2MHB, 5. 97mol％ 2MHV, 0.91mol％ 4HB, 2. 37mol％ 4MHV, 1. 77mol％ HHx; When the carbon source was 60％ pentanoate and 40％glucose, the unit composition of PHAs was 41. 24mol％ HB, 58. 76mol％HV; When the carbon source was 60％ benzoate and 40％ glucose, the unit composition of PHAs was 65. 48mol％ HB and 34. 52mol％ HV.

为了研究不同碳源与产物PHAs结构的关系，采用好氧-厌氧-缺氧模式利用6种不同碳源培养活性污泥得到6种不同的PHAs样品，通过〓HNMR、〓CNMR和GC-MS谱图确定了这6种PHAs的单体成分和比例：以乙酸钠培养活性污泥得到的PHAs的单体组成是93.91mol％3-羟基丁酸和6.09mol％3-羟基戊酸；以丙酸钠培养活性污泥得到的PHAs的单体组成除28.66mol％HB、63.13mol％HV外，另外还有2.55mol％3-羟基2-甲基丁酸（2MHB）和5.66mol％3-羟基2-甲基戊酸（2MHV）；以80％丁酸钠和20％1，4-丁二醇混合溶液培养活性污泥得到的PHAs含有七种单体组成：65.03mol％HB，28.06mol％HV，1.91mol％2MHB，2.69mol％2MHV，0.73mol％4-HB（4-羟基丁酸），0.78mol％4MHV（3-羟基-4-甲基戊酸），0.80％HHx（3-羟基己酸）；以20％丁酸钠和80％1，4-丁二醇培养活性污泥所得到的PHAs含有与3#样品相同的七种单体，只是比例不同，分别是61.39mol％，23.01mol％，4.58mol％，5.97mol％，0.91mol％，2.37mol％，1.77mol％；以60％戊酸钠和40％葡萄糖培养活性污泥所得到的PHAs由HB和HV组成，比例是41.24 mol％∶58.76 mol％；以60％苯甲酸钠和40％葡萄糖培养活性污泥所得到的PHAs也由HB和HV组成，比例是65.48 mol％∶34.52 mol％。

FoshanGuangdong528000Seting anaerobic, anoxic Carrousel oxidation ditch section with biological nutrient removal function, is the urban sewage treatment process, one of the mainstream.

设置厌氧、缺氧段的Carrousel氧化沟具有生物脱氮除磷功能，是目前城市生活污水处理的主流工艺之一。

objective to investigate the effect of hyperbaric oxygen pretreatment on enhancing dark adaptation under anoxic condition, and to explore its mechanism.methods forty young soldiers were equally divided into trial group and control group at random.

目的 探讨高压氧干预对提高人体在高原缺氧条件下暗适应的意义。

The changes of total reducing substances, oxalate extractable Fe, dithionite citrate bicarbonate extractable Fe and phosphorus adsorption in oxic and anoxic layers of two paddy soils during 6 week flooding were examined under laboratory conditions.

在实验室条件下对两种水稻土在为期 6周的淹水过程中，其氧化层和还原层土壤中还原物质总量、草酸盐可提取铁、连二亚硫酸钠-柠檬酸-碳酸氢钠可提取铁和磷吸附的变化进行了研究。

Considering AA/O Oxidation Ditch aeration tank as seed sludge,the secondary flow high efficiency coagulat-ing technology could be utilized to enwrap the immobilization of microbe as the high concentration flocculent granule sludge.

以AA/O(Anaerobic-Anoxic-Oxic)氧化沟曝气池中的活性污泥为接种污泥，利用二次流高效混凝技术包裹固定微生物培养高浓度絮状颗粒污泥，使整个污泥体系形成悬浮的流化态，最后对其进行生物降解效果验证。

Nitrate can be used by facultative organisms living under intermediate conditions referred to as anoxic.

硝酸盐能够被生活在中等缺氧条件下称为兼性生物体所利用。

The oilbearing analysis of Event Strata indicates that sealevel rising anoxic Event Association is favorable to producing oil, while the sealevel dropping turbidity Event Association may be favorable to reserving oil and gas.

事件地层含油性分析表明，研究区海平面上升-缺氧事件组合是有利的烃源岩，海平面下降-浊流事件组合具有一定的储集意义。

It was concluded that a noble and base metal metaflogenic series was composed of the inner part of BIFs and ferruginous rock series. And mantle plume had close spatio-temporal and genetic relationships with BIFs. In anoxic environment in Precambrian, the anaerobic bacteria would provide oxygen for ferruginous deposition during photosynthesis.

认为BIFs内部以及包括BIFs在内的含铁岩系均构成贱、贵金属成矿系列；地幔柱与BIFs之间存在密切的时、空和成因联系；在早前寒武纪缺权的环境下，厌氧的细菌类生物通过光合作用为BIFs中铁质沉淀提供了氧。

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。