la3

La3 + were used as releasing agent for Calcium .

用La3+作为钙的释放剂。

These may contribute to abnormity of the central nervous system by La3 + .

这可能是镧导致海马神经元异常的作用机制之一。

Effect of Peptide Length on Interaction between La3 + and Microperoxidase

肽链长度对La~（3+）与微过氧化物酶相互作用的影响

La3 + and hydrochloric acid were as used releasing agents for calcium and iron , respectively .

分别以La3+和盐酸作为钙、铁的释放剂。

The activated carbon carried La3 + was used as catalyst for the synthesis of n-butyl acetate .

研究活性炭负载镧为酯化催化剂合成乙酸丁酯。

The results indicate that the photocatalytic oxidation properties of 3 % La3 + - TiO2 are appropriate .

结果表明：3%La3+-TiO2具有良好的光催化氧化性能。

La3 + solution was used as releasing agent . The calcium and magnesium were quantified by working curve method .

以La~（3+）溶液作为释放剂，用工作曲线法测定虾仁样品中钙、镁的含量。

PANI / MMT / La3 + nanocomposite were synthesized via in-situ polymerization method .

采用化学原位聚合法制备聚苯胺/蒙脱土/La3+纳米复合材料。

Rare-earth metal ions of Ce3 + 、 La3 + can greatly accelerate humic acid form ;

稀土金属离子Ce3+、La3+可大幅度加速腐殖酸的生成；

It was found that in the plant , La3 + could obviously change the activity of POD and show the Hormesis effect .

在植物体内的研究表明，La3+能够明显改变POD的活性，并呈现低促高抑的Hormesis效应。

Whole-cell patch-clamp recording mode was used to study the action mechanism of La3 + on rat ventricular myocytes potassium channels .

用全细胞膜片钳记录方式研究了La3+对大鼠心室肌细胞钾通道的作用机理。

The effect of preparation conditions such as calcinate temperature , calcinate time and the amount of La3 + were studied .

研究了制备催化剂时焙烧温度、焙烧时间和La3+掺杂量对催化剂活性的影响。

Drive from NYC to LA3 TIMES !

从纽约开车去洛杉矶3次！

Graphite felt was treated by three kinds of methods and then metallized by ion-exchange with solution containing rare earth ion of La3 + .

采用3种方法对聚丙烯晴基的石墨毡进行了表面处理，并用稀土离子La3+对石墨毡电极表面进行了修饰；

No La3 + was observed in the cytoplasm of the endothelium cells of the cerebral microvessel in all the observed tissues .

各部位脑血管内皮细胞胞浆内均无La3+；

The obtained results are as follows : the size of powdered rubber decreases with increasing the content of dispersion agent and increases with La3 + level increases .

结果表明，粉末胶颗粒粒径随分散剂用量的增加而减小，随La3+用量的增加而增大。

There was a competitive antagonism between La3 + and Ca2 + in the intracellular fluid of the ileum smooth muscle .

在回肠平滑肌细胞外液中，La3+和Ca2+之间存在竞争性拮抗作用；

The effects of La3 + and Nd3 + on the growth , carotene content and nitrogen fixation of Rhodopseudomonas sp. were studied .

本文报道了不同浓度的La~（3+）和Nd~（3+）对红假单胞菌（Rhodopseudomonassp.）的细胞形态、生长、类胡萝卜素生成和固氮活性的影响。

Humidity sensitivity of films doped with Sn4 + , La3 + and Ce4 + is better than pure titania .

Sn4+、La3+和Ce4+掺杂后，薄膜的湿敏性能都比纯氧化钛薄膜的湿敏性能好。

In addition , application of Ca2 + - channel blocker ( La3 + ) significantly inhibited hypocotyls curvature even in the medium with higher Ca2 + .

在培养基中添加一定浓度的质膜钙离子通道抑制剂La~（3+），能够显著抑制下胚轴的向光弯曲。

Conclusion The growth of hairy root cultures of R. palmatum and their anthraquinone yield are greatly promoted by addition of La3 + to the medium .

结论培养基中添加适宜浓度的稀土离子La3+对掌叶大黄单克隆毛状根的生物量积累和蒽醌类化合物的合成具有明显的促进作用。

However , modification by rare earth element ( La3 + 、 Ce4 + ) can enhance the catalytic activity and stability of F - / γ - Al2O3 catalyst .

采用稀土（La3＋、Ce4＋）改性F－／γ－Al2O3，均能使其催化活性和稳定性提高，尤以Ce4＋效果较佳。

On average , 100 μ M La3 + increased the amplitude of current induced by 10 μ M glycine to 176 % of control and the maximal effect was 215 % of control .

100μM的镧离子平均增加由10μM的甘氨酸诱发电流幅值到176%，最大增幅是215%。

Coordination reaction between second hydroxyl group in CEB and La3 + , ion-exchange reaction between CEB-La and F - is confirmed by phase identifying results of XRD .

CEB仲羟基与La3+的配位反应以及CEB-La与F-之间的离子交换反应为XRD物相检索结果所证实。

The results from the photocatalysis measurements indicated that the photocatalytic activity of TiO2 nanofibers were improved by doping the defined amount of Fe3 + , La3 + all together .

结果表明：适量的Fe3+、La3+共掺杂由于协同作用的结果在较大程度上提高了TiO2纳米纤维的光催化活性。

In contrast to results in vivo , all concentrations of La3 + and Eu3 + inhibited the activity of H + - ATPase of plasma membrane vesicles in vitro .

不同浓度稀土离子处理对离体细胞中H+-ATPase活性均表现出了抑制作用。

K + has significant effects on increasing the volume and diameter of root , but the main effects of La3 + application are increasing the number of tips and branches of the root . 3 .

K+处理对根系平均直径、体积的增加有显著效果，而La3+处理，对于根尖和分叉数的增加有显著效果。

The result demonstrated lattice volumes have some contraction when the Pr doping increase , which is because the radius of Pr3 + is smaller than La3 + .

由XRD结果计算得出随着Pr掺杂量的增加，材料晶胞体积发生收缩，这是主要是由于Pr3+的半径小于La3+的原因。

In this experiment , the ( La3 + - Ce3 + and Fe3 + - Ce3 + ) - doped titania particles were prepared by sol-gel method .

通过溶胶-凝胶法分别制备了La3+-Ce3+共掺杂及Fe3+-Ce3+共掺杂的TiO2纳米粉体。

The binary and ternary solid complexes of rare earth Eu3 + and La3 + with pyridine-2,6-dicarboxylic acid ( H2DPC ) and1,10-phenanthroline are synthesized .

合成了稀土铕、镧与吡啶-2，6二甲酸形成的二元配合物及铕与邻菲罗啉和吡啶-2，6二甲酸形成的三元配合物。