查询词典 reactive

Based on the changes in spectrum characters of the fluorescent probes reacting with reactive oxygen species, we have carried out three aspects of investigation:First, two fluorescent probes of O2- vanillin-8-aminoquinoline and 2-(2-pyridil)-benzothiazoline were synthesized.

因此，针对动、植物生物活体内自由基开创新的分析与检测技术是分析化学学科发展中具有挑战性的前沿课题之一。

Bromination occur s selectively on the PMS methyl group, providing a reactive benzylic bromine functionality which is the key to Exxpro specialty elastomers′ vulcanization and modification versatility.

溴化反应选择性地发生在PMS的甲基基团上，提供活性苄基溴官能团，这也是Exxpro特种弹性体硫化和各种改性的关键。

Bromination occurs selectively on the PMS methyl group, providing a reactive benzylic bromine functionality which is the key to Exxpro specialty elastomers′ vulcanization and modification versatility.

溴化反应选择性地发生在PMS的甲基基团上，提供活性苄基溴官能团，这也是Exxpro特种弹性体硫化和各种改性的关键。

In this thesis, the systematic study on the optimization of 6APA preparation process (including hydrolysis of benzylpenicillin, concentration, extraction and reactive crystallization) were performed.

对于6APA制备过程（包括裂解、浓缩、萃取、反应结晶四步骤）优化进行了较详细的研究。

The growth of CeO2 buffer layer on biaxially textured Ni-5at% W with direct current magnetron reactive sputtering method was reported.

采用直流磁控反应溅射法在双轴织构的镍钨合金(Ni-5%W)基带上生长CeO2过渡层。

UV and SMPE-GC-MS results confirmed that radical-oxidation and hightemperature pyrogenation controlled the sonochemical-oxidation of toluene, and mainmiddle-products included benzaldehyde, bibenzyl, dibutyl phthalate, et al., final products werecarbon dioxide and water. The reactive violet K-3R was chosen as a model compound to study the effect ofsonoelectrochemical degradation of nonvolatile pollutant.

以超声与电化学作用处理活性紫K-3R水样，二者协同效应明显，5V槽电压时60min K-3R脱色效率要比纯电场作用时高57.8％，纯超声场对活性紫基本无显著的降解作用，初始浓度、pH对超声电化学协同降解影响较大，实验建立了活性紫降解的动力学模型，经超声电化学处理后，K-3R共轭发色体系已基本被破坏，但溶液中仍有苯环等产物。

The synthesis and reactivity binuclear complexes with Ph_2PPy have assumed considerable interest because of the novel structural and reactive features of these complexes, and their potential as catalysts.

因为Ph_2PPy类双核配合物新奇的结构和反应特征，以及潜在的催化性能，其合成和反应引起人们很大的兴趣。

Results The positive rate of binucleated granulocytes was 0%in normal contrast group. It was 53.0%in acute myeloid leukemia, 46.2%in chronic myeloid leukemia, 41.7%in reactive granulocytosis, and 38.4%in myelodysplastic syndrome. they were significantly higher than 8.2%in common anemia, 12.5%in idiopathic thrombocytopenic purpura, and 0%in lymphocytic leukemia.

结果 双核粒细胞阳性率，27例正常对照组为0，急性髓细胞白血病53.0%(80/151)、慢性髓细胞白血病46.2%(18/39)、反应性粒细胞增多症41.7%(20/48)、骨髓增生异常综合征38.4%(33/86)，明显高于一般贫血8.2%(8/98)、特发性血小板减少症12.5%(4/32)和急性淋巴细胞白血病为0。

Carotene and bixin inhibited the of MCF-7 human breast cancer cell significantly. The effects of carotenoids were pleiotropic.β-Carotene can activate PPARγ signal pathway and regulate expression of the downstream and relative genes, and impel cytochrome C liberation from mitochndria and increase the level of reactive oxygen species in cell.

胡萝卜素与胭脂树橙显著抑制乳腺癌MCF-7细胞的生长，β-胡萝卜素的抑制作用可能是多效性的，一是激活PPARγ信号系统，调节PPARγ下游基因及相关基因表达，另一个是促使线粒体中的细胞色素C释放，引起细胞内活性氧生成增加，导致细胞活力下降或坏死。

Pd(PPh3)4 is more reactive for boronic acids with steric hindered F atom and no self-coupling by-product, and coupling reactions gave good yields of 90% and 91%.

Pd(PPh3)4对于含有位阻F原子苯硼酸的偶联反应很具有活性，且没有自偶联产生，产率可达90%及91%。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。