The influent of NH4 + -n loading to the effect of their removal.
NH 4 +- N的进水负荷对其去除效果的影响。
The control to condense multiple, organism and NH4-N are the key factors.
浓缩倍数的控制以及有机物浓度、氨氮浓度都是污水回用中的关键因素。
The strengthen of "NH4" steel were solution strengthen and precipitation strengthen.
NH 4试验钢的强化方式包括固溶强化和析出相强化。
The glucoamylase was extracted and purified by PEG/(NH4)2SO4 double aqueous phase system.
利用PEG/（NH4）2SO4双水相系统从粗酶液中提取糖化酶。
It is characterized of autotrophic ANAMMOX bacteria transferring NH4 + -n to N2 in anaerobic condition.
它是指在厌氧条件下由自养型anammox细菌将NH 4 +- N直接转化为n2。
The results showed each group of Gracilarla tenuistipitata Var. liui has effectively degrade of NH4-N and PO4-P(p<0.05).
结果表明细基江蓠繁枝变种各密度组对NH4-N和PO4-P都有明显的降解效果（p<0.05）。
Salt: Chemical compound formed when the hydrogen of an acid is replaced by a metal or its equivalent, such as ammonium (NH4).
盐：酸中的氢被金属或相当金属的基团如氨（NH4）取代后所生成的化合物。
The influence of temperature on nitrification ability of BAC filter under the condition of high NH4(superscript +)-Ninfluent water was studied.
研究了温度对高氨氮进水条件下生物活性炭滤池硝化能力的影响。
This relationship would influence the NH4-N concentration in effluent. For a BAF with nitrification function, the relationship is very important.
这种关系直接影响到滤池出水中的氨氮浓度，这一点对曝气生物滤池的运行，具有重要意义。
The transport lag coefficient of NH4+ in soils was determined by the soil column experiment and the one-dimension transport model was established.
在食品包装材料化合物的迁移模型中，扩散系数是决定模型预测性的重要参数之一。
However, the contents of NH4 + -n in the Purplish clayey soil were significantly increased by water-logged incubation or by nitrogen fertilizer added.
而外加氮源或淹水处理对青紫泥nh4 +- N含量的提升作用则贯穿于培养试验的全过程。
The binuclear tungsten citrate complex was synthesized by the reaction of (NH4)2WS4 with potassium citrate, and characterized by IR and elemental analysis.
通过柠檬酸钾和四硫代钨酸铵的配位取代反应合成了双核钨氧柠檬酸配合物。
In this paper, we simulated riverbank filtration system, and made room dynamic experiments, reviewed the environmental behavior of NH4 + -n and aniline in the column.
本文模拟河岸渗滤系统，进行室内动态土柱实验，探讨了氨氮和苯胺的环境行为。
The relationship between community distribution of ammonium oxidizing bacteria and the removal rate of NH4-N is meaningful to improve the treatment performance of CRI.
关于CRI系统中氨氧化菌的空间分布规律及其与NH4-N去除率关系的认识，为工艺改进和效果提高提供了理论基础。
Organic nitrogen was useful for better growth of the mycelium, but inorganic nitrogen, NH4NO3 and (NH4) 2so4 was contribute to higher HA content in weight of the mycelium.
本试验条件下使用有机氮源能获得更好的菌丝体生长，但无机氮源NH4NO3和(NH4)2so4对提高菌丝体重及竹红菌素a含量有更好的贡献。
Simple, direct and automation-ready procedures for measuring NH3 are popular in research and drug discovery. our ammonia assay is designed to directly measure NH3 and NH4+.
简单，直接，自动化的氨浓度检测手段在科研和药物开发领域是很受欢迎的。氨浓度检测试剂盒是直接检测NH3和NH4 + 的浓度。
The separation of ammonia is the first order kinetic process and the effect of concentration of H2SO4, and (NH4) 2 SO4 on Separating ammonia is unremarkable in this process.
该过程中，氨的分离为一级动力学过程，H2SO4和(NH4)2so4浓度对氨的分离没有明显影响。
The variety of EC were different. In the aerated static box compost, the trend of C/N, NH4+-N and OUR were in evidence and the data went consistent at the end of composting.
EC值在堆肥的过程中的变化规律不同实验数据表明在通气静态仓堆肥条件下，堆肥过程中的C/N、NH4+-N和OUR的变化趋势比较明显，而且在堆肥结束时的数值趋于一致。
Methods a combination of euglobulin precipitation, ion-exchange chromatography, (NH4) 2so4 precipitation and affinity chromatography was used in the process of purification.
方法采用优球蛋白沉淀、离子交换色谱、(NH4)2so4沉淀和亲和色谱法进行纯化。
The extraction separation behaviour of lead with(NH4)2SO4-tetrabutylammonium bromide(TBAB)-H2O system and the conditions for the separation of lead with other metal ions are studied.
研究了硫酸铵-溴化四丁基铵（TBAB）-水体系萃取分离铅的行为及其与常见离子的分离条件。
Some of the ammonium, or NH4+, ions generated during subsequent reactions fall back to Earth in snow and are preserved in ice cores, where they linger as signs of the cataclysmic event.
一些在后来的反应中形成铵离子，通过下雪回到地球被保存在冰核中，成为发现这巨大事件的证据。
After immobilized, the cells of the mutant within polyurethane (PU) foams, glutamine synthesize (GS) and NH4 + secretory activity of GS, and its growth and photosynthesis were measured.
将此突变种固定化在聚氨脂泡沫中后，定量测定其谷氨酰胺合成酶(GS)活性。
Synonym: DAP Formula: (NH4) 2HPO4 Appearance: colorless transparent crystal Use: impregnated wood and fabric to increase its durability, can be used for dry powder fire extinguishing agent.
别名：磷酸二铵分子式：（NH4 ）2HPO4外观：无色透明晶体用途：用于浸渍木材及织物以增加其耐久性，可作干粉灭火剂。
Jerusalem artichoke juice was the sole carbon source. The peptone and (NH4) 2hpo4 as nitrogen sources were found to be most suitable ones for inulinase production by single factor experiment.
通过单因素实验初步确定了菊芋汁为碳源，蛋白胨为有机氮源，(NH4)2hpo4为无机氮源。
When used to treat wastewater composed NH4+-N and organic carbon source, the nitrifying activated sludge pellets and the activated sludge pellets can also produce SND phenomenon in a certain extent.
当处理有机氨氮废水时固定化硝化污泥颗粒和固定化活性污泥颗粒均可实现一定程度的单级生物脱氮。
When used to treat wastewater composed NH4+-N and organic carbon source, the nitrifying activated sludge pellets and the activated sludge pellets can also produce SND phenomenon in a certain extent.
当处理有机氨氮废水时固定化硝化污泥颗粒和固定化活性污泥颗粒均可实现一定程度的单级生物脱氮。
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