ndma

Detection of Trace NDMA in Drinking Water by SPE / LC / MS / MS

SPE/LC/MS/MS检测水中痕量二甲基亚硝胺

Characteristics of DON and NDMA Formation Potential in Water Treatment

DON的水处理特性及生成NDMA潜能的分析

A Novel Cooperative Medium Access Control Protocol Based on NDMA for WSN

基于NDMA的协作媒质接入控制协议在无线传感器网络中的应用

Studies on NDMA inhibition of eight spice essential oils in vitro

某些香辛料精油抑制N-二甲基亚硝胺体外合成的研究

Research on the Reduction of N-Nitrosodimethylamine ( NDMA ) in Water by Zero-Valent Zinc

零价锌还原降解水中N-亚硝基二甲胺的效能与机理研究

Methods : Effect on NDMA and scavenging rate sodium nitrite was tested by colorimetric analysis and ultraviolet irradiation and decomposition .

方法：用比色法及紫外光解法测定了榛叶提取物对二甲基亚硝胺（NDMA）体外合成的阻断作用及对亚硝酸钠的清除作用。

Compared with the NDMA , the longer straight-chain structure of NDEA makes it easy for UV degradation .

与NDMA相比，直链结构较长的NDEA更容易被紫外光降解。

Methods NDMA was given to animals of the experimental group 24 hours after partial hepatectomy , and the control group was only treated with NDMA .

方法对照组用NDMA处理，实验组首次NDMA处理前24小时行部分肝切除术。

The two functions of litchi core extraction were studied in this paper : to interdict the synthesizing of NDMA and to eliminate nitrite .

研究了荔枝核提取液对亚硝胺（NDMA）合成的阻断作用及对亚硝酸根离子的清除作用。

Degradation of NDMA and NDEA by UV can generate their precursors , nitrite and nitrate .

紫外光降解水中存在的NDMA和NDEA都能够生成各自的前质二级胺、亚硝酸盐和硝酸盐。

NDMA in beer mainly came from malt and formed in malt preparation and ATNC was produced through reducing reaction of nitric acid .

啤酒中的NDMA主要来源于麦芽，在制麦工艺过程中形成；ATNC主要由微生物的硝酸还原反应产生。

This paper deals with the capabilities of extracts from different parts of corn in disconnecting nitrosodimethylamin ( NDMA ) compost and scavenging sodium nitrite .

研究在体外模拟胃液条件下，玉米各部位提取物对亚硝酸胺合成的阻断作用和对亚硝酸盐的清除作用。

Removal of NDMA and its precursors in municipal wastewater treatment plants : a review The Study on the Blocking Effect of the Compound of Spice Extraction on the Formation of N-Nitrosodimethylamine

N-亚硝基二甲胺及其前体物在污水处理厂中去除的研究进展复配香辛料提取物体外阻断N-二甲基亚硝胺生成的效果

Due to its high water-soluble , NDMA is hardly bio-enriched , so the toxicity of NDMA on microorganisms is much weaker than pCNB .

同时研究了NDMA对微生物的抑制作用，由于NDMA的水溶性较大，其不易被生物富集，因而NDMA对微生物的毒性弱于pCNB。

Methods : The mechanism that purslane and its seed juices inhibited nitrosamine synthesis was studied by determining amounts of NDMA synthesized and NO - 2 formed and its elimination rate .

方法：通过测定NDMA的合成量、NO－2形成量和消除率，探讨其作用机理。

Excitatory synaptic transmission from auditory cortex to medial geniculate body takes glutamic acid as the neurotransmitter andis mediated predominantly by NDMA and AMPA receptors .

听皮质-内侧膝状体突触的兴奋性传递以谷氨酸为神经递质，主要由α-氨基羟甲基恶唑丙酸和N-甲基-D-天冬氨酸受体两种受体介导。

NDMA stored the actual image data in flat file databases on parallel disk arrays , where it was managed by the native file system for the operating system , which in this case was Linux .

NDMA将实际图像数据存储在并行磁盘矩阵上的平面文件数据库中，由那里用于操作系统（此处为Linux）的本地文件系统管理。

In the entire processing , nitrosamines which appeared included the nitrosodimethylamine ( NDMA ) and nitrosodiethylamine ( NEDA ) .

在腊肠整个加工过程中，出现的亚硝胺包括亚硝基二甲胺（NDMA）和亚硝基二乙胺（NEDA）。

The result showed that the optimum condition is 55 % acetone extract for one hour in water bath at 80 ℃ . The extract has high capabilities of disconnecting NDMA compost and scavenging sodium nitrite .

结果显示，最佳提取条件为：55%的丙酮于80℃水浴回流1h，此提取物具有较高阻断亚硝胺合成及清除亚硝酸钠的效果。

Conclusions : NDMA may stimulate the DNA synthesis of hepatocytes and hepatic sinusoidal wall cells , and PH plus NDMA possesses a synergetic effect for stimulating the DNA synthesis of hepatocytes and hepatic sinusoidal wall cells .

结论：NDMA可刺激肝细胞和肝窦壁细胞DNA合成，PH和NDMA对肝细胞和肝窦壁细胞的DNA合成有协同刺激作用。

Injection of NDMA at doses of 1,2 , 3,5,10 , 30 , 50 mg / kg respectively , the production of O 6 - mG in the DNA of rats displayed obvious dose-response relationship as well as cell and organ specificity .

分别给大鼠一次腹腔注射NDMA1,2,3,5,10,30,50mg/kg，5小时后大鼠产生O~6&mG具有明显的剂量反应关系以及器官和细胞特异性。