查询词典 NOS

This conclusion is based on three groups of experiments with detached root tips of wheat seedlings: By following the time course changes of NO synthase , superoxide synthase and ABA accumulation under dehydration stress, we found that ABA accumulation was preceeded by the changes of NOS and superoxide synthase. ABA accumulation induced by dehydtrion stress and osmotic stress can be blocked by NO scanvegers and NOS inhibitors, while only dehydration stress-induced ABA accumulation can be blocked by ROS scanvegers. Exogenous applied NO or ROS induced ABA accumulation in root tips of wheat seedlings, and synergistic effects were found between NO and NO. The in planta expereiments also proved that ROS and NO are involved in water stress-induced ABA accumulation.Ⅱ.

证据主要来自以离体根尖为材料的实验：(1)通过检测干旱胁迫下小麦根尖NOS活性、O〓合成酶活性和ABA积累的时间变化进程，发现ABA积累滞后于ROS和NO的变化；(2)抑制剂实验表明，NO清除剂和NOS抑制剂可以抑制自然干旱胁迫及渗透胁迫诱导的小麦根尖ABA积累，ROS清除剂抑制自然干旱胁迫诱导的ABA积累而不抑制渗透胁迫诱导的小麦根尖ABA积累；(3)在非胁迫条件下施加外源的ROS或NO可以诱导小麦根尖积累ABA，ROS和NO之间具有协同作用。

Results: The NOS positive cells are scattered in pterygopalatine ganglion, otic ganglion. The decreased density and the increased somatic size of the NOS positive cells of pterygopalatine ganglion, otic ganglion of rats was followed in rat's development and to the largest in adulthood.

结果：NOS神经细胞在翼腭神经节、耳神经节中总体呈均匀散在分布，从幼年到成年，密度呈逐渐下降趋势，而NOS神经元胞体大小逐渐增加，至成年时最大，直至老年无明显改变。

However, BH4 stopped subsequent remodeling when NOS activity was otherwise declining. A broad antioxidant, Tempol, also reduced oxidant stress yet did not recouple NOS or reverse worsened hypertrophy/fibrosis from sustained transverse aortic constriction.

然而，在NOS活性降低时BH4阻止心脏的继续重构，广义的抗氧化剂，Tempol也可以在保持主动脉缩窄的情况下，NOS没有恢复偶联或逆转心脏肥厚或纤维化，降低氧化应激。

The proportion of the number of double-labeled neurons with NOS/TMR was 55％(17/31)and 34％(17/49) in the whole population of the NOS positive neurons and retrogradely neurons,respectively.

计数显不：NOS/TMR双标记细胞分别占NOS阳性细胞总数的55％(17/31)和TMR逆行标记细胞总数的34％(17/49)。

Changes of the NOS activity and the expression of NOS protein in central nervous systems of rats,which were subacutely intoxicated with oral exposure to lead acetate for 30 days,were observed with improved NADPH techniques and immunohistochemistry to study neurotoxic mechanism of lead.

本文采用SD成年大白鼠饮用醋酸铅水染毒30天，然后用改进的NADPH测定法及免疫组化SP法观察脑组织中NOS酶活性及NOS酶蛋白亚型的变化。

TWF, lead acetate and cadmium chloride. Methods Using NADPH-d histochemistry to investigate activity change of NOS in the testis of mice, which were survived for 1,2,3,4 weeks after administration of TWF, lead acetate and cadmium chloride.

给予醋酸铅和氯化镉1周后，NOS阳性的睾丸间质细胞数量明显减少，并随给药时间延长而加重，NOS活性逐渐降低，给药4周后NOS阳性的睾丸间质细胞几乎不着色。

Here we show that the primary function of Streptomyces NOS is radically different from that of mammalian NOS.

作者说明链霉菌NOS的初步功能与哺乳动物NOS的完全不同。

GFAP overexpessed but NOS neuron decreased, distorted and pale. The glia in SM-DB complex of ONR hypertrophied, but NOS neuron no degeneration. The increased GFAP immunoreactivity and the morphometric and cytological changes in SM-DB complex astrocytes may reflect a sustained upregulation of cellular activity with the insults of neurons, resulting in hypertrophy of glial perikarya and cell processes.

老年减退组星形胶质细胞的细胞体密度较老年正常组和青年组明显增加（P 在GFAP免疫细胞化学和NOS组织化学双重染色的切片上，老年减退大鼠SM-DB星形胶质细胞明显肥大，突起粗壮弯曲，GFAP超量表达，而NOS阳性神经元数量减少，胞体变形，突起减少，染色深度下降。

NOS also reflect the generation of NO, NOS was measured by a method which the oxidation of oxyhaemoglobin to methaemoglobin by NO is monitored spectrophotometrically. The absorption difference between 401 and 421nm was continuously monitored with a dual-wavelength recording spectrophotometer.

由NOS催化生成的NO与氧合血红蛋白反应生成高铁血红蛋白，反应2秒钟完成同时出现A〓和A〓吸光度的变化，测定该变化，根据此时高铁血红蛋白的摩尔吸光系数即可计算出NOS的比活性。

After feeding a nother 3 days in different environments with normal diet, all animals were killed and cGMP level and NOS expression were analysed in retina and retinogenicualte.Results:The NOS expression and cGMP contents of photoreceptor cells, vi sual cortex and retinogeniculate were increased in dark adaptation group compar ed with light group.

结果：在暗适应条件下，视网膜光感受体细胞NOS表达，视皮层、外侧膝状体、顶盖前区或海马cGMP含量增加，而在明适应状态下，NDP组化染色浅淡，牛磺酸及微量营养素的干预则能明显增强暗适应条件下NOS的着色反应，增加光照及暗适应条件下上述脑功能区cGMP含量。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失