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PCC 7942 by Triparental Conjugative Transfer, and detected expression of α-α. The heavy metal selective absorbance analysis indicated that these transgenic cyanobacteria inclined to absorb firstly Cd〓 and Pb〓 in water.

通过对重金属离子的选择吸收性多方面检测，结果表明在用来吸收水体中对人体有害的金属离子方面，转α-α基因藻有很强的选择吸收性。

The ability of electrochemically switched ion exchange depends largely on the concentration of ion,the ion type and scan rates.

溶液中离子的浓度、离子的种类是膜内阳离子交换的主要影响因素。

Experiment shows that for coated wire calcium ion-selective electrodes with copper matrix,there is a linear dependence of the electrode potential on logarithm calcium ion activities over a range of 10'(-1)-2x10~(-5) mol/L,the limit of detection is 8x10~(-6) mol/L,the electrode pote...

结果表明，铜基涂丝钙离子选择电极线性范围为10~(-1)-2×10~(-5) mol/LCa~(2+)，检测极限达8×10~(-6) mol/L，斜率为30±2mV，适用 pH 范围为4。 5-11。 0，响应时间少于15s，内阻低，选择性和稳定性好，使用寿命一般为三个月左右，并成功的用于水质分析及钙离子的有关络合物稳定常数的测定。

The aim of this dissertation is to systematically study on the cloud-point extraction and its application to the separation/preconcentration and speciation of metal ions.

本论文的目的是，以原子光谱分析技术为检测手段，对影响金属离子浊点萃取效率的主要因素进行系统地研究，并将其应用于实际样品中痕量金属离子的分离富集及形态分析。

From difference in polarization ability of cations, solubility of sulfide and sulfureted hydrogen system grouping .

从离子的极化能力大小出发，讨论了离子极化能力对硫化物溶解度的影响及其与常见阳离子硫化氢系统分组法的关系

Biosorption of cadmium in wastewater by beer yeast was studied.

研究了啤酒酵母对废水中镉离子的生物吸附过程，分析了啤酒酵母吸附镉离子的速度、pH、温度等的影响。

Stable constants log/0 data of 22 metal ions, including the actinide ele...

对学习样本的正确选择、高价金属离子与EDTA络合物logK值的报道差异及成因、Co~(3+)离子的&额外&稳定性进行了分析讨论。

The sizes of ionic clusters are influenced by the radius of metal cations.

金属离子的半径大小，影响所形成的团簇离子的尺寸。

Studies with calcium chelator BAPTA/AM suggest that the rapid calcium rise, an event downstream of early ROS production, is involved in PARP-1 and JNK activation.

实验结果中发现，MNNG造成钙离子的快速上升，是属於早期活性氧化物累积的下游反应，而且钙离子也参与了PARP-1和JNK的活化。

If the EDD provide an indication of Ca2+ localization,the results suggest that theophylline may release Ca2+ associated with subsurface cisternae, plasma membrane, mitochondria and subsurface cisternae may be a primarily functional Ca2+ storage site in the ganglion cell.

本文根据实验结果讨论了茶碱可能促使钙离子从交感神经元的上述部位中释放出来，并认为质膜、亚表面池和线粒体是细胞内钙离子的贮存部位，而亚表面池可能是主要的贮存释放部位。

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。