查询词典 sodium nitrite

The effect of sodium nitrite on the crevice corrosion of mild steel was studied by applying the wire beam electrode technique.

在5%NaCl溶液和5%NaCl+5%NaNO2溶液中，采用丝束电极技术测量了低碳钢缝隙内、外的自腐蚀电位和电化学阻抗谱，研究了亚硝酸钠对低碳钢缝隙腐蚀的影响。

The absorbance at 546nm is detected by a UV/visible spectrophotometer by using sodium nitrite as standard.

一氧化氮合酶是NO生成主要的限速因素，测定NOS活性亦可反映组织细胞中NO生成的状况。

Sodium nitrite was strongly adsorbed by the dreg and DF from the white trumpet lily and tiger lily.

麝香百合渣及其膳食纤维和卷丹膳食纤维吸附亚硝酸钠实验结果表明：pH2时，这些样品都对亚硝酸根离子有较强的吸附作用，吸附率分别为73.8％、88.5％、80.2％。

The result indicates that Bassia rapa L. 65%, 95% alcohol extract and water extract can prolong the survival time of mice in hypoxia under ordinary pressures significantly. It can also prolong the survival time of mice with acute cerebral ischemia and sodium nitrite significantly, and increase the number of erythrocytes and the content of hemoglobin. It demonstrates that Bassia rapa L. extract has anti-hypoxia activity.

结果表明，芫根水提取物、65%乙醇提取物及95%乙醇提取物均能明显延长模型小鼠在常压缺氧、急性脑缺血性缺氧及亚硝酸钠中毒时的存活时间，并可增加外周血象中红细胞数与血红蛋白含量，显示芫根提取物具有抗缺氧活性。

Using distilled water as a blank control and propranolol hydrochloride as a positive control, the survival time of mice in hypoxia under ordinary pressures, and with acute cerebral ischemia and sodium nitrite were used to evaluate the anti-hypoxic effect of three different doses (10, 15, 20 g/kg) of 65%, 95% alcohol extract and water extract of Bassia rapa L. Erythrocyte number and hemoglobin count were used to investigate the anti-hypoxic effect of 65%, 95% alcohol extract and water extract (10 g/kg) of Bassia rapa L.

通过建立小鼠常压缺氧模型、急性脑缺血性缺氧模型以及亚硝酸钠中毒模型，以蒸馏水作为空白对照，盐酸普蔡洛尔作为阳性对照，观察芫根水、65%乙醇及95%乙醇提取物的10g/kg、15g/kg和20g/kg剂量组对小鼠缺氧的保护作用，同时观察各提取物10g/kg剂量组对红细胞数量和血红蛋白含量的影响。

Objective To investigate the protective effect of ligustrazine on brain injury.Methods The effects of ligustrazine on breath time of head decollated mice and survival time of hypoxic mice induced by sodium nitrite were observed and neurological score and infarct area in the middle cerebral artery occlusion rats were measured.

目的 研究川芎嗪对脑损伤的保护作用方法采用小鼠断头法、亚硝酸钠(NaNO2)致死法、鼠大脑中动脉栓塞法，通过观察断头喘息时间、亚硝酸钠致死时间、脑缺血行评分、脑缺血面积，明确川芎嗪对脑损伤的保护作用。

Methods effects of ligustrazine on breath time of head decollated mice and survival time of hypoxic mice induced by sodium nitrite were observed and neurological score and infarct area in the middle cerebral artery occlusion rats were measured.

采用小鼠断头法、亚硝酸钠(NaNO2)致死法、大鼠大脑中动脉栓塞法，通过观察断头喘息时间、亚硝酸钠致死时间、脑缺血行为评分、脑缺血面积，明确川芎嗪对脑损伤的保护作用。

Methods The effects of ligustrazine on breath time of head decollated mice and survival time of hypoxic mice induced by sodium nitrite were observed and neurological score and infarct area in the middle cerebral artery occlusion rats were measured.

采用小鼠断头法、亚硝酸钠(NaNO2)致死法、大鼠大脑中动脉栓塞法，通过观察断头喘息时间、亚硝酸钠致死时间、脑缺血行为评分、脑缺血面积，明确川芎嗪对脑损伤的保护作用。

Results Ligustrazine (20mg/kg,50mg/kg) obviously prolonged breath time of decollated mice and survival time of hypoxic mice induced by sodium nitrite; ligustrazine (10mg/kg,20mg/kg) markedly ameliorated rat neurological deficit, reduced infarct area in MCAO rat.

结果 川芎嗪20mg/kg、50mg/kg可明显延长断头小鼠的喘息时间及亚硝酸钠致死小鼠的生存时间；10mg/kg、20mg/kg可显著改善中动脉栓塞致脑缺血大鼠的行为障碍，降低脑缺血梗死面积。

In the synthesis of 2,3,5-trichloropyridine, 2-aminopyridine was firstly chloridized to 2-amino-3, 5-dichloropyridine, and then sodium nitrite solution was added with the existence of hydrogen chloride to diazotize the 2-amino-3,5-dichloropyridine.

在2，3，5-三氯吡啶的合成上，首先通过对2-氨基吡啶的氯化生成2-氨基-3，5-二氯吡啶，然后再有盐酸存在条件下加亚硝酸钠溶液重氮化后，发生桑德迈尔反应生成2，3，5-三氯吡啶和3，5-二氯吡啶-2-酮的混合物，最后用氯化亚砜进行再次氯化，经处理得到产品2，3，5-三氯吡啶。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。