哌啶
- 名piperidine;hexahydropyridine
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甲酰基及乙酰基吡咯烷、哌啶、吗啡啉的~(13)cNMR谱图研究
13 C NMR studies on N formyl and N acetyl pyrrolidine , piperidine , morpholine
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通过氮氧自由基与维生素C的反应也可制备还原产物哌啶羟胺。
In order to examine this reaction , an alternative route to prepare the piperidine hydroxylamines was carried out via the reactions of the nitroxides with vitamin C .
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氟哌啶组病人术后12小时的镇静评分明显高于对照组(P<0.01)。
The droperidol groups has significantly higher sedation scores than the other groups ( P < 0.01 ) .
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上述效应可被腹腔内注射DA受体阻断剂氟哌啶所阻断。
This effects could be blocked by DA antagonist droperidol .
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结论酞胺哌啶酮对HCC生长无明显抑制作用,但明显能抑制肿瘤血管生成和HCC的肝内转移和肺转移。
Conclusion Thalidomide can obviously inhibit angiogenesis and metastasis of hepatocellular carcinoma .
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鬼臼酰肼哌啶腙氮氧自由基和鬼臼乙叉甙对体外培养癌细胞增殖、有丝分裂指数和DNA合成的影响
Effects of podophyllic acid piperidyl hydr-azone nitroxide radical on the proliferation , mitotic index and DNA synthesis of some cancer cells in vitro
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用阳离子交换法和溶剂分离法研究了在N,N&二甲基哌啶鎓氯化物水溶液中氯化钠的分离提取问题。
The separation of sodium chloride from aqueous solution of mepiquat chloride by cation exchange method and solvent separation method has been investigated .
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自然丰度氮-15核磁共振的研究(Ⅰ)&哌啶衍生物中4-位取代基对~(15)N化学位移的远程相互作用及其与~(13)C化学位移的关系
Studies on Natural-Abundance Nitrogen-15 Nuclear Magnetic Resonance Spectroscopy (ⅰ) & Long-Range Interaction on Nitrogen-15 Chemical Shifts of 4-Substituted Piperidines and Their Correlation with Carbon-is Chemical Shifts
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本文研究不同PH和去氧对数种哌啶系氮氧自由基在溶液中的ESR波谱的影响。
Effects of different PH 's and deoxygenation were studied on ESR spectra of several piperidine nitroxyl radicals in solutions .
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新显色剂哌啶荒酸哌啶萃取光度法测定Ni(Ⅱ)的研究和应用
Extraction Spectrophotometric Studies of a New Reagent Piperidine Dithiocarbamate Piperidine on the Determination of Micro Amount of Ni (ⅱ) and its Application
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发现在电鳐电器官中有一个高特异性、低亲和力的2-噻吩基-哌啶基-1,1-环己烷(TCP)结合位点,这个结合位点具有可饱和性。
A high specificity low affinity 2-thienyl-piperidyl-1,1-cyclohexane ( TCP ) saturable binding site was found at the cell membrane of Torpedo electric organ .
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四种哌啶系氮氧自由基的ESR特性研究Ⅲ.pH效应和去氧效应
Studies on the ESR characteristics of four piperidine nitroxyl radicals . ⅲ . pH effects and deoxygenation effects
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叔二苯哌啶拮抗MPTP对多巴胺神经元毒性作用的实验研究
Experimental study on budipine antagonizing the dopaminergic neurotoxic effect of MPTP
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罗哌卡因加曲马多和氟哌啶用于开胸术后PCEA的临床观察
Ropivacaine mixed with tramadol and droperidol apply to clinical investigation to PCEA of the post-exploratory thorax
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选用哌啶作为AISI304不锈钢在中性氯化钠介质中的孔蚀缓蚀剂。运用稳态阳极极化曲线和P-G瞬态响应测试研究哌啶的缓蚀作用。
The inhibition effect of piperidine ( PD ) for pitting initiation and propagation of AISI 304 stainless steel in NaCl solution of various concentrations was investigated by potentiodynamic anodic polarization and P-G transient inhibition measurements .
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目的比较术后病人自控镇痛(PCA)曲马多与曲马多加氟哌啶的镇痛效果和副作用。
Objective To compare the clinical efficacy and side effects of tramadol and the mixture of tramadol and droperidol for postoperative patient-controlled analgesia ( PCA ) .
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本文研究了五种哌啶类稳定氮氧自由基在九种极性不同的溶剂中EPR谱特性。
In this paper the behaviour of five title nitroxides in nine solvents with different polarity has been studied by EPR spectrometry .
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治疗组-2和对照组-2,皮下移植第15天开始分别给予酞胺哌啶酮200mgkg。
Experimental group-2 and control group-2 were treated with thalidomide , 200mg / kg .
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首先就哌啶醇催化氧化合成TEMPO反应使用的催化剂进行筛选,得出催化效果显著的硅钨钼酸与乙二胺四乙酸复合催化剂。
Firstly , we selected the catalyst for piperidine oxidation reaction , and obtained the compound catalyst of silicon tungsten molybdic acid .
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并用哌啶做了同期交叉自身镇痛对比研究,结果表明:两药的镇痛效果相似(P>0.05),但痛力克的不良反应发生率明显低于哌啶。
Then the patients were crossed over to Pethidine as control . The results showed that Ketorolac Tromethamine has a similar analgesic effect with Pethidine ( P > 0.05 ), while rate of the side effect is far below that of Pethidine .
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本文应用UV法研究了哌啶氮氧自由基与卤代甲烷所形成CCT络合物及其光诱导的电子转移反应。
The contact Charge transfer ( CCT ) complexes formed from piperidine nitroxides and halomethanes and their photo-induced electron transfer reactions were studied by UV absorption spectrometry .
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鬼臼酰乙基肼和鬼臼酰肼哌啶腙氮氧自由基(GPI)对小鼠移植性肿瘤作用的实验观察
Podophyllic Acid Ethyl Hydrazide and Podophyllic Acid Piperidyl Hydrazone Nitroxide Radical on the Transplanted Tumours in Mice
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2-(哌啶-硫代磺酸酯)-1,3-丁二烯与C60的Diels-Alder反应研究
The Diels-Alder Reaction of 2 - ( Piperidine-carbodithioate ) - 1 , 3-Butadiene with C_ ( 60 ) - fullerene
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哌啶缓蚀作用的原子吸收光谱(AAS)研究&Ⅱ.NaCl介质中304不锈钢孔蚀发展过程及哌啶的缓蚀作用
Study on inhibition by piperidine using atomic absorption spectrometry ⅱ . pitting growth for Type 304 stainless steel in NaCl solution and its inhibition by piperidine
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与LiBr和哌啶发生两次SN2反应制得S苯丙哌林。
S - benproperine was obtained by submitting the same tosylate to two consecutive S_N2-type reactions with LiBr and piperidine .
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本文用Ami法计算研究了2-(对甲氧苯基)-亚氨基哌啶-糖苷键水解过渡类似物电子结构。
The systematical calculation studies on the electronic structures of 2 - ( P - Methoxyphenyls ) - Imino-piperidine-a transition state analogue in hydrolysis of glycoside bond were made by using Ami method .
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结果酞胺哌啶酮能明显增加PVL鼠的平均动脉压,降低其门脉压力和血浆TNF水平。
Results Thalidomide treatment induced a significant increase in mean arterial pressure and a significant decrease in portal pressure . Plasma TNF levels were lowered in thalidomide treated rats .
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采用2-巯基苯并噻唑(2-Mercaptobenzothiazole)(MBT)为引发剂,在2,2,6,6-四甲基哌啶氮氧自由基(TEMPO)存在下,研究了苯乙烯的氮氧稳定自由基聚合。
2-mercaptobenzothiazole ( MET ) was used as initiator for the stable free radical polymerization of styrene in the presence of TEMPO .
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沙利度胺(酞胺哌啶酮thalidomide)属于非巴比妥类药物,最早作为镇静止吐药物用于临床,后发现具有严重的致畸作用而被禁用。
Thalidomide , a non-barbiturate drug , is used as a sedative antiemetic drug , and shows a significant teratogenic effect , has once been banned .
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胍乙啶、胍乙哌啶、BD-37和BD-31抑制酪胺的升压作用;
P , BD-37 , BD-31 and G inhibited the hypertensive effect of tyramine .