The effects of mud concentration, gas to liquid ratio and the hydraulic resident time on the removal rates of COD and NH3-N were investigated.
实验考察了污泥浓度、气液比及水力停留时间对生物降解废水中COD和氨氮(NH3 - N)的影响。
The RG Dipeptides were condensated from N-protected Arg and C-protected Gly by mixed anhydrides method. Then Asp and RG Dipeptides were synthesized RGD Tripeptides in liquid phase.
由N-保护的精氨酸、C-保护的甘氨酸采用混合酸酐法缩合成RG二肽，再与天冬氨酸在液相中合成RGD三肽。
The RG Dipeptides were condensated from N-protected Arg and C-protected Gly by mixed anhydrides method. Then Asp and RG Dipeptides were used synthesize RGD Tripeptides in liquid phase.
由N -保护的精氨酸、C -保护的甘氨酸采用混合酸酐法缩合成RG二肽，再与天冬氨酸在液相中合成RGD三肽。
Methods Urinary neopterin (N) and biopterin (B) was analyzed in 87 patients with hyperphenylalaninemia by high-performance liquid chromatography.
方法 应用高效液相层析仪对87例高苯丙氨酸血症者进行尿新蝶呤（N）和生物蝶呤（B）分析；
In addition, the accumulative quantity n, P and K in the soil soluble liquid decreased further when the concentration of PAM increased.
同时，不同浓度pam的试验结果发现，增加PAM浓度能使土壤淋溶液中n,p,K累积量进一步减少。
Poisonous liquid, which in contact with water emits flammable gases, n. O. S. (Inhalation Hazard Zone a).
有毒液体，遇水释放可燃性气体，未作说明(吸入危害带a)。
N-E model with two parameters is used to represent the anchoring energy of liquid crystals on substrates.
模型具有两个参数用于描写液晶在基板上的锚定能。
Poisonous liquid, which in contact with water emits flammable gases, n. O. S. (when "Inhalation Hazard" is on a package or shipping paper).
有毒液体，与水接触会放出可燃性气体，未作说明(当包装或运货单上注明“吸入危害”时)。
Filter: n. A porous material through which a liquid or gas is passed in order to separate the fluid from suspended particulate matter.
用于过滤的材料：可通过液体或气体的多孔性物质，以便从悬浮物质中分离液体vi。
N-phthaloyl chitosan is able to form cholesteric liquid crystalline phase in concentrated solutions of some organic solvents, including DMF, DMSO, DMAc and pyridine.
邻苯二甲酰化壳聚糖在多种常见有机溶剂中能形成胆甾液晶相。
The biological effect of protectively applied nitrogen on nodulation N-fixing activity, nitrogen forms in Xyloid liquid, and amount of assimilated nitrogen in soybean were studied.
从大豆结瘤、固氮活性、木质部溶质氮形态以及植株同化氮量论证了保护性施氮的生物学效应。
Content of isocyanate group in waterborne polyurethane prepolymer is tested with acetone as solvent, n-dibutylamine - toluene solution as reaction liquid and ethyl acetate as thinner.
对水性聚氨酯预聚体中异氰酸酯基团的容量测定进行了研究。
At present, using traditional vapor-liquid mass transferring to recover NH3-N from waste water is one of the most reliable techniques.
利用传统的汽液传质方法将氨氮从废水中分离出来并加以利用的方法，仍然是目前最可靠最成熟的氨氮分离方法之一。
At present, using traditional vapor-liquid mass transferring to recover NH3-N from waste water is one of the most reliable techniques.
利用传统的汽液传质方法将氨氮从废水中分离出来并加以利用的方法，仍然是目前最可靠最成熟的氨氮分离方法之一。
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