氮化的

The palladium-catalyzed allylation is a powerful tool for C-C, C-N, and C-O bond formation, which has been widely applied to organic chemistry.

藉由钯催化烯丙基化反应合成碳—碳键、碳—氮键和碳—氧键是非常有利的方法，主要是因为它在有机化学上广泛的应用性。

A new triphenylamine-containing aromatic diamine monomer, 4-[4-(1-adamantyl)phenoxy]-4',4-diaminotriphenylamine, was synthesized from cesium fluoride-mediated N-arylation of 4-(1-adamantyl)-4'-aminodiphenyl ether with 1-fluoro-4-nitrobenzene and subsequent reduction of the dinitro intermediate.

摘要 本研究首先使用 4-(1-adamantyl)-4'-aminodiphenol ether 与 1-fluoro-4-nitrobenzene，於DMSO中，以氟化铯为媒介，进行氮-芳香化反应（N-arylation），随后再进行中间产物的还原反应，制得一个种新型具有三苯胺结构的芳香族二胺单体 4-[4-(1-adamantyl)- phenoxy]-4'，4-diaminotriphenylamine。

Slit-lamp biomicroscopy photography, and immunohistochemical staining were done. The area of CNV was calculated and the average optic density of immunohistochemical staining of iNOS was measured after 8 hours and 1, 4, 7, 14 and 28 days by imaging analysis system.

采用裂隙灯照相，免疫组化染色，多媒体彩色图像病理分析系统分别计算8 h、1，4，7，14，28 d共6个不同时间点的角膜新生血管面积和诱导型一氧化氮合成酶免组染色的平均光密度值。

Tissue composition analysis, nutrient enrichment and starvation treatments, bioassay and in situ extracellular alkaline phosphatase activity determination showed that growth of Sargassum duplicatum, Codium edule and Ulva latuca were limited by phosphorus during the early growth period while nitrogen during the fast growth period. Growth of Enteromorpha linza, Gracilaria coronopifolia and Laurencia papillosa were limited by phosphorus.

南湾及眺石海水优养化可能是造成大型海藻单位面积生物量明显增加的原因，藻体营养分析、室内营养盐添加与不添加处理、bioassay及insitu 细胞外磷酸分解酵素活性证明重缘叶马尾藻、食用松藻及大石莼的营养盐限制因子在初期是磷而快速生长期是氮而浒苔、伞房龙须菜及乳头凹顶藻是磷。

To increase the leaching efficiency, diastatic power and Alpha- N content of wort of the raw barley malt during bear production is crucial to increase materials usage rate.

啤酒生产过程中提高原料大麦麦芽的浸出率、糖化力和麦汁α-氨基氮是提高啤酒原料利用率的关键问题。

Treatment of cisplatin-resistant cell lines with an inhibitor of DNA methyltransferases, 2-deoxy-5'azacytidine, results in partial reversal of DNA methylation, re-expression of epigenetically silenced genes including hMLH1 and sensitisation to cisplatin both in vitro and in vivo.

DNA甲基转移酶抑制剂2 -脱氧- 5'氮胞苷可部分逆转顺铂耐药细胞株的DNA甲基化，在体外和体内使后生沉默基因包括hMLH1基因重新表达并增加对顺铂的敏感性。

The results showed polymeric diaryliodonium salts were effective aryl ion transfer reagents. Thirdly, a new type polymer supported hypervalent iodine reagents poly { [4-Hydroxy iodo] styrene} has been developed. It was an effective oxidative reagent, and could be applied to the one pot synthesis of 4-arylthiazoles.

然后，我们以聚苯乙烯羟基对甲苯磺酰氧基碘苯为原料，成功制备了一类新型聚合物高碘试剂—聚苯乙烯负载的炔基碘盐，并研究了其作为炔基转移试剂的有效性：(1)该试剂可对硫、氮、硒等负离子进行亲电炔基化反应，合成炔基亚砜、0，0-二烃基二硫代磷酸炔基酯、1-苯乙炔基苯并噻唑以及炔基硒醚。

Using Close-Top incubation method,we measured the N mineralization rate in soils (0～15 cm) of monsoon evergreen broadleaf forest,seasonal rain forest,rubber plantation,heavily disturbed seasonal rain forest,Millettia laptobotrya secondary forest and upland rice field.

在云南省中国科学院西双版纳热带生态站周围，用顶盖埋管法，对季风常绿阔叶林、季节雨林、橡胶林、受过严重干扰的季节雨林、鸡血藤次生林和旱谷地的氮矿化速率进行研究。

The absorption maxima and emission maxima didnt change obviously between the five-membered compounds when N-methyl as the bridge atom. The value of extinction coefficient was increased obviusly compared naphthalimide with naphthalic anhydride.

甲基化氮为桥原子的五元化合物之间最大吸收和发射波长相差不大，萘酰亚胺的消光系数比萘酐增加明显，loge最大相差可达0.45，荧光强度也略有增加，相差0.1左右。

The paper studied the effects of submerged macrophyte and immobilized bacteria on the distribution of four bacteria communities: ammonifying bacteria; nitrosobacteria; nitrobacteria and denitrifying bacteria in water column and sediment of eutrophicted water.

本试验研究了沉水植物伊乐藻和固定化微生物两者相结合对富营养化水体和底泥中4种菌群的氮循环微生物（氨化细菌、亚硝化细菌、硝化细菌、反硝化细菌）分布的影响。

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。