阴离子的

To investigate the ability of ADA isozyme expression to discriminatebetweem lymphoid and nonlymphoid cell types in acute leukemia,the gelfiltration with FPLC system was used as micromethod for ADA isozymeanalysis.

为进一步阐明白血病细胞ADA同工酶生化性质，探讨制备ADA同工酶抗体的可能性，我们采用分子筛FPLC和阴离子交换FPLC系统二步法分离纯化健康人血清、单个核细胞和急性粒单核细胞白血病细胞ADA同工酶，获得部分纯化ADA1和ADA2，ADA1纯化71.62倍，活力62.2u/mg pr，ADA2纯化37倍，活力42.8u/mg pr，ADA总回收率44%，2步FPLC层析法酶活力回收率分别为68.4%和81.5%。

That for monovalent anions and cations, molarities are numerically equal toIonic Strength.

记住对单价阴离子和阳离子而言，莫耳浓度数在数值上是等于离子强度的

Background: Peroxynitrite was hypothesized to be involved in the pathogenesis of multiple sclerosis through its various neurotoxic effects.

研究背景：在多发性硬化的病变过程中通过多种细胞毒效应产生过氧化氮阴离子。

Nucleate sequencing revealed that the open reading frame of sodA1 and sodA2 consisted of 218 and 208 amino acids, respectively.

因为它可以将超氧阴离子自由基歧化为过氧化氢和分子氧，因此在氧自由基产生与消除的平衡中起关键作用。

In 3 each zinc atom is coordinated by two tcm anions and two dpyam molecules to form a distorted octahedral geometry. Different from the former two complexes, 3 shows a mononuclear structure.

在3中每个锌与两个三氰基甲烷阴离子，两个2，2'-双吡啶胺分子相配位形成畸变八面体的空间结构。

Objective To investigate the effect of paeonol antagonizing peroxynitrite on osteoblast apoptosis of rat in vitro.

目的探讨丹皮酚拮抗过氧亚硝基阴离子对体外培养大鼠成骨细胞凋亡的作用。

The company has a daily output of 0.5-200/h, and its main products include multi-media filter, activated carbon filter, softener, precise filter, reverse osmosis equipment, N-series filter, cation exchanger, anion exchanger, ion exchanger, EDI, ultrafilter, ultraviolet ray bacteria killer, ozonizer, pinhole filter, dosing machine, filling machine, water tank, etc..

公司目前的成套生产能力为0.5-200 /h，主要产品包括多介质过滤器、活性碳过滤器、软化器、精密过滤器、反渗透主机、纳滤、阳离子交换器、阴离子交换器、混合离子交换器、EDI、超滤、紫外线杀菌器、臭氧发生器、微孔过滤器，计量加药装置、灌装设备及水

Taking Na_2SnO_3·3H_2O as raw material, organic reagent (pentyl alcohol, butyl alcohol, cyclohexane) as dispersant, and adding anion surfactant (sodium dodecyl alkylbenzen sulfonate, ABS), uniform ultrafine SnO_2 powder is prepared by hydrothermal method using Sn_4 deposition as precursor.

以Na2SnO3·3H2O为原料，有机试剂(正戊醇、正丁醇、环己烷)为分散剂，同时加入阴离子表面活性剂(十二烷基苯磺酸钠，ABS)，以氢氧化锡沉淀为前驱体，用水热法制备了粒度均匀的SnO2超细粉体。

Clodextrin concentration, applied voltage , temperature of capillary and background electrolyte pHon the separation

分析， 国内外均未见MSA与阴离子及有机酸同时测定的报道。本文建立了一种同时分析测定这些

In this paper, high purity inositol was prepared through acidic hydrolysis of phytin, anion exchange chromatography of the resulting phytic acid, high pressure and high temperature hydrolysis of the eluted sodium phytate solution, resin chromatographic decolorization of the inositol as released, and electrodialytic desalination.

本文以菲丁为原料，通过对阴离子交换树脂吸附、解吸植酸，植酸钠水解，离子交换树脂脱色，电渗析脱盐等工艺过程的研究，制备了高纯肌醇。

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。