Nitrogen group

The PG content of vitrification group , direct liquid nitrogen group and the alcohol immersion group had no statistical significance . Compared the direct liquid nitrogen group with the control group , there was statistical difference .

玻璃化组、直接液氮组和酒精浸泡组PG含量随保存没有时间依从性，即组内比较没有统计学意义。

The results showed that the positive rates of RNA integrity in grind with liquid nitrogen group and in homogenizer without liquid nitrogen group were 68.42 % and 29.79 % respectively , and there was significant difference between these two groups ;

结果发现，液氮研磨组分离完整RNA的阳性率高于匀浆器处理组，分别为68.42%和29.29%，两组比较有显著性差异；

Primary studies on nitrogen physiological group in grassland

草原土壤氮素生理群的研究

Study on Chromatographic Performance of New Bonded Stationary Phase Containing Oxygen and Nitrogen Function Group

含氮氧功能基新型键合固定相色谱性能及应用研究

Quantum Chemistry Studies on the Nitrogen Containing Group Modified β - Cyclodextrins

含氮基团修饰β-环糊精量子化学研究

Tetrazine ring is an energetic nitrogen hexa-heterocyclic group with nitrogen mass fraction of 68.3 % , so it is a very effective structure unit in the design of high energetic , insensitive materials .

四嗪环是一种含氮质量分数达68.3%的六元氮杂环含能基团，是设计高能钝感含能材料中非常有效的结构单元；

Catalytic activity of each ionic liquid depended upon the type of nitrogen containing group and length of carbon chain . The ionic liquid 1 - ( 4-sulfonic acid ) butyl-pyridinium hydrosulfate showed the best catalytic activity to transesterification .

实验结果表明，这些磺酸类B酸离子液体的催化活性高，它们的催化活性与含氮官能团的种类和碳链长度有关，其中，吡啶丁烷磺酸硫酸氢盐离子液体的催化活性最高。

The concentrations of plasma urea nitrogen in group CH showed a tendency to be lower than that in group C and the concentration of plasma urea nitrogen in NW piglets showed the tendency to be lower than that in IUGR piglets ( P > 0.05 ) .

血浆尿素氮含量，CH组有低于C组以及正常仔猪有低于IUGR仔猪的趋势。

The nitrogen balance of group A was better than that of group B , while the renal function of group B was better than that of group A.

A组的氮平衡明显优于B组，肾功能明显差于B组。

Nitrogen tetroxide intoxicated group .

四氧化二氮（N2O4）组；

The results showed that the average negative nitrogen balance in group A , B , C was respectively -12.34 g / d , -6.59 g / d and -4.84 g / d after operation .

结果提示：术后三组平均每天的负氮平衡分别为：A组-12.34g；B组-6.59g；

The serum urea nitrogen concentration of group B and C decreased by 3.44 % , 9.73 % respectively , cholesterin concentration decreased by 11.08 % , 44.78 % ( p < 0.01 ) respectively ;

B、C组血清尿素氮含量分别降低了3.44%、9.73%，胆固醇含量分别降低了11.08%、44.78%（p＜0.01）；

Results : with regard to albumin and hemoglobin levels and nitrogen equilibrium TEN group was superior to parenteral nutrition group ( P 0.05 ), Mechanical ventilation time and treatment cost were decreased in TEN group ( P 0.05 ) .

结果：TEN组血清清蛋白、血红蛋白、氮平衡方面明显优于TPN组（P0.05）。机械通气时间和临床费用低于TPN组（P0.05）。

After rapid thawing , 70.27 % embryos were able to develope well in vitro in the temperature control freezing group and in the liquid nitrogen vapour freezing group , the developmental rate was 80.56 % when the freezing medium contained higher concentration of glycerol .

快速复温后，温度控制冷冻组的胚胎体外发育率为70.27%，液氮蒸汽冷冻组中，用高浓度甘油作保护液时，胚胎体外发育串为80.56%。

There was no obvious changes of urea nitrogen content in each group ( P > 0.05 ) .

各实验组小鼠的尿素氮含量未见明显变化（P>0.05）。

Methods 70 patients were treated with high frequency electroacupuncture , and establish liguid nitrogen refrigeration as control group .

方法对70例睑黄疣患者进行高频电针治疗，并设立液氮冷冻法作为对照组。

Results : Nitrogen balance of hypocaloric group was found to be improved , plasma proteins increased and body composition loss decreased .

结果：与对照组相比，低热量组氮平衡改善，血清蛋白质下降减少，机体组成中的蛋白质群丢失较少。

The recovery of body weight , level of plasma albumen and nitrogen balance in NS group was faster than that of NT group .

NS组手术后体重、血清蛋白回升较NT组明显提前，由负氮平衡向正氮平衡恢复所需时间较NT组明显缩短。

Plasma glutamate-pyruvate transaminase and urea nitrogen levels in BPI group , though increasing , were significantly lower than those in PS group .

BPI组动物血浆GPT、尿素氮水平有一定升高，但明显低于生理盐水组；

In this work , we have synthesized a new compound 28 . Besides , we take out the protection of nitrogen and active hydroxyl group through " one-pot " synthesis ;

该路线中合成的化合物28，尚未见文献报道。另外，采用一锅法保护侧链吡咯烷上的氮和活泼羟基；

Cupric ion belong typically to type 2 copper ; and at least two nitrogen atoms from imidazolyl group of histidine residual are coordinated to cupric ion .

Cu（Ⅱ）离子属于典型的二型铜，有两个或两个以上组氨酸咪唑基以N原子与Cu（Ⅱ）配位。

Under histidine load of 50 mg per rat , the urinary nitrogen excretion in every group was increased , but the increased quantity was much more than the nitrogen content in histidine used for loading test .

口服50mgL&组氨酸的负荷试验可使各组尿氮增加量超过负荷量，并使第1组尿中氨基氮与氨氮增加。

The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of a group which forms an enamine with the methine linkage of the dye .

该染料甲川链上的碳原子与氨基的氮原子相连，而该氮原子又与染料的甲川链形成烯胺。

The level of serum α animo nitrogen in the scalded group was significantly lower than that in the control group ( P < 0.05 ), and was higher in the seawater soaked group than that in the control group ( P < 0.05 ) .

血清氨基氮水平：烫伤组显著低于对照组（P<0.05）；而海水浸泡组氨基氮显著高于对照组（P<0.05）；

The patients were divided into group A ( 32 patients , high amount of nitrogen intake ) and group B ( 32 patients , low amount of nitrogen intake ) according to the different amount of actural nutritional intake during the period of postoperative three weeks .

根据病人术后3周内实际营养摄入量的不同分为A组（相对高氮摄入量组）和B组（相对低氮摄入量组），每组各32例。

During the same period , the ammonia nitrogen , nitrite nitrogen of high density group concentration is higher than the low-density group .

养殖同一时期的氨氮及亚硝酸氮浓度表现为高密度组高于低密度组。

Results of the level of the metabolin of nitrogen monoxidum in blood serum : Compared to normal control group , the level of nitrogen monoxidum in model group was significantly higher ( p < 0.01 ) .

血清NO代谢产物水平结果：与正常对照组相比，模型组明显增高（P0.01）。

The test results also indicated that the nitrogen stability of polyaniline resin during carbonized process was associated with the structure of the nitrogen interlinked group .

测试结果还表明聚苯胺树脂中的氮在碳化过程中的稳定性与其相连结的基团结构有密切关系。